阅读说明：本技术 一种采用集成电路配合连接的新型电机及其旋转控制方法 (Novel motor adopting integrated circuit matching connection and rotation control method thereof ) 是由 孙洪利 于 2021-01-20 设计创作，主要内容包括：本发明公开了一种采用集成电路配合连接的新型电机及其旋转控制方法,通过电路的电子开关H桥,配合采用U、V、W绕线独立连线方法；原理是将电机U组绕线,V组绕线,W组绕线,每组绕线两端均加有独立的电子开关,再通过位置传感器检测转子磁钢的S极和N极位置,通过接受到的位置传感器的位置信号,经过电子开关控制器来控制电子开关的开闭,分别独立控制每组绕线的通电电流方向,使输出的各绕阻线定子发生S极或者N极输出功率转换；再配合转子对应磁钢的S极和N极；做出同极相斥,异极相吸原理,做功率输出；使电能转动能效率方面更加高。(The invention discloses a novel motor adopting integrated circuit matching connection and a rotation control method thereof, wherein an U, V, W winding independent connection method is adopted in matching through an electronic switch H bridge of a circuit; the principle is that U groups of windings, V groups of windings and W groups of windings of a motor are provided, independent electronic switches are arranged at two ends of each group of windings, the positions of S poles and N poles of rotor magnetic steel are detected through a position sensor, the on-off of the electronic switches is controlled through an electronic switch controller through received position signals of the position sensor, the direction of the electrifying current of each group of windings is controlled independently, and S pole or N pole output power conversion is carried out on each output winding resistance wire stator; matching with the S pole and the N pole of the rotor corresponding to the magnetic steel; making a principle that homopolar repulsion and heteropolar attraction are carried out, and making power output; the efficiency of the electric energy is higher.)

1. A novel motor adopting integrated circuit matching connection comprises a stator core and rotor magnetic steel, wherein a stator winding is wound on the stator core and comprises a U-phase winding, a V-phase winding and a W-phase winding;

the method is characterized in that: the system also comprises an integrated circuit, a plurality of position sensors and an electronic switch controller;

the integrated circuit comprises a power supply and three groups of electronic switch H bridges, wherein the three groups of electronic switch H bridges are respectively a first group of electronic switch H bridges, a second group of electronic switch H bridges and a third group of electronic switch H bridges;

each group of electronic switch H bridge comprises four electronic switches which are respectively a first electronic switch, a second electronic switch, a third electronic switch and a fourth electronic switch; after the first electronic switch and the second electronic switch are connected in series, one end of the first electronic switch is connected with the positive electrode of the power supply, and the other end of the first electronic switch is connected with the negative electrode of the power supply; after the third electronic switch and the fourth electronic switch are connected in series, one end of the third electronic switch is connected with the positive electrode of the power supply, and the other end of the third electronic switch is connected with the negative electrode of the power supply; the middle connection node of the first electronic switch and the second electronic switch is a first connection node, and the middle connection node of the third electronic switch and the fourth electronic switch is a second connection node;

the head end and the tail end of the U-phase winding are respectively connected with a first connecting node and a second connecting node of a first group of electronic switch H bridges;

the head end and the tail end of the V-phase winding are respectively connected with a first connecting node and a second connecting node of a second group of electronic switch H bridges;

the head end and the tail end of the W-phase winding are respectively connected with a first connecting node and a second connecting node of a third group of electronic switch H bridges;

the position sensors are used for detecting N-level or S-level positions of the rotor magnet;

and the electronic switch controller controls the electronic switches of the H bridge of each group of electronic switches to be switched on and off according to the received position signals of the position sensors, so that the current direction of each resistance winding of the motor is controlled.

2. The novel motor adopting integrated circuit matching connection according to claim 1, characterized in that: the position sensors comprise three position sensors, namely a first position sensor (21), a second position sensor (22) and a third position sensor (23) along the clockwise direction; the included angle of the connecting lines between the adjacent position sensors and the rotating center of the motor is equal to the included angle between the central lines of the silicon steel sheets of the adjacent stator iron cores;

wherein: the setting positions of the third position sensor (23) are as follows: when the central line of a stator iron core silicon steel sheet corresponding to the U-phase winding is superposed with the central line of rotor magnetic steel, the third position sensor is positioned at the central line position of the magnetic induction lines of the N poles of the S poles of the two magnetic steels of the rotor.

3. The novel motor adopting integrated circuit matching connection according to claim 1 or 2, characterized in that: the position sensor is a Hall sensor, and the directions of the induction magnetic poles of the Hall sensors are consistent when the position sensor is installed.

4. The novel motor adopting integrated circuit matching connection according to claim 1 or 2, characterized in that: the position sensor is a proximity switch sensor.

5. The novel motor adopting integrated circuit matching connection according to claim 1, characterized in that: the wire diameters of enameled wires of the U-phase winding, the V-phase winding and the W-phase winding are the same, the lengths of winding wires and the winding direction are the same, and the lengths of the winding wires comprise the lengths connected to circuit components.

6. The novel motor adopting integrated circuit matching connection according to claim 1, characterized in that: the ratio of the number of the stator iron cores and the rotor magnetic steel is 1: 2/3 times or 2 times.

7. The novel motor adopting integrated circuit matching connection as claimed in claim 6, wherein: the number of the rotor magnetic steels is even.

8. The novel motor adopting integrated circuit matching connection according to claim 1, characterized in that: the motor is an inner rotor motor, an outer rotor motor or a multi-element disc type motor.

9. A rotation control method of a novel motor using the integrated circuit mating connection according to any one of claims 1 to 8, characterized in that: the position sensors are adopted to detect the S pole and N pole positions of the rotor magnetic steel, the electronic switches are controlled to be switched on and off through received position signals of the position sensors, the electrifying current direction of each group of windings is independently controlled respectively, and the S pole or N pole output power conversion of each output winding wire stator is realized; and then matching with the S pole and the N pole of the rotor corresponding to the magnetic steel, and performing power output according to the principle that like poles repel and unlike poles attract, so that the motor rotor rotates.

10. The rotation control method of the integrated circuit mating connection new motor according to claim 9, characterized in that: when two connecting nodes of the three groups of electronic switches H bridge are adjusted to be in uniform reverse connection with two ends of the corresponding motor winding wire, the motor steering is opposite.

Technical Field

The invention relates to the technical field of motors, in particular to a novel motor adopting integrated circuits for matching connection and a rotation control method thereof. The motor is suitable for an inner rotor motor, an outer rotor motor, a multi-element disc type motor and the like.

Background

With the continuous innovation and development of the motor drive of electronic chips and the like. The multifunctional development of the motor control system with different motor collocation is a new possibility of the motor, such as the diversified development (namely the collocation of one machine and multiple integrated circuits) of a low-rotating-speed large-torque (torque) type, a high-rotating-speed large-torque (torque) high-power type, a motor deceleration brake, motor power generation and the like, and the diversified motor control system of the permanent magnet motor becomes a new development direction for better serving an intelligent equipment market.

In the existing motor, the winding connection mode adopts a star connection method (Y-shaped connection method) and a triangle connection method. When the motor operates, the motor rotor operates in a rotating magnetic field mode, and when the motor operates, the output power is lower in the aspect of output power (electric energy and rotation energy).

Disclosure of Invention

Aiming at the problems in the prior art, the invention provides a novel motor adopting integrated circuits for matching connection and a rotation control method thereof, wherein an U, V, W winding independent connection method (three-in-one connection method for short, namely a three-in-one parallel connection mode) is adopted in cooperation with an electronic switch H bridge of the circuit. The principle is with the winding of motor U group, V group ' S winding, W group ' S winding, and every group winding both ends all adds has independent electronic switch, and rethread position sensor detects rotor magnet steel ' S S utmost point and N utmost point position, and the switching of electronic switch is controlled through the position signal control electronic switch who receives position sensor, and the circular telegram current direction of every group winding of independent control respectively makes each winding wire stator of output take place S utmost point or N utmost point output power conversion. Then matching with the S pole and N pole of the rotor corresponding to the magnetic steel (strong magnetism, magnetic shoe). And making a principle that homopolar repulsion and heteropolar attraction are carried out, and making power output so as to enable the motor rotor to rotate. The efficiency of the electric energy is more efficient.

The technical scheme of the invention is as follows: a novel motor adopting integrated circuit matching connection comprises a stator core and rotor magnetic steel, wherein a stator winding is wound on the stator core and comprises a U-phase winding, a V-phase winding and a W-phase winding;

the system also comprises an integrated circuit, a plurality of position sensors and an electronic switch controller;

the integrated circuit comprises a power supply and three groups of electronic switch H bridges, wherein the three groups of electronic switch H bridges are respectively a first group of electronic switch H bridges, a second group of electronic switch H bridges and a third group of electronic switch H bridges;

each group of electronic switch H bridge comprises four electronic switches which are respectively a first electronic switch, a second electronic switch, a third electronic switch and a fourth electronic switch; after the first electronic switch and the second electronic switch are connected in series, one end of the first electronic switch is connected with the positive electrode of the power supply, and the other end of the first electronic switch is connected with the negative electrode of the power supply; after the third electronic switch and the fourth electronic switch are connected in series, one end of the third electronic switch is connected with the positive electrode of the power supply, and the other end of the third electronic switch is connected with the negative electrode of the power supply; the middle connection node of the first electronic switch and the second electronic switch is a first connection node, and the middle connection node of the third electronic switch and the fourth electronic switch is a second connection node;

preferably, each group of electronic switch H bridge further comprises a capacitor, and two ends of the capacitor are respectively connected with the anode and the cathode of the power supply. And realizing bypass, decoupling, filtering and energy storage.

The head end and the tail end of the U-phase winding are respectively connected with a first connecting node and a second connecting node of a first group of electronic switch H bridges;

the head end and the tail end of the V-phase winding are respectively connected with a first connecting node and a second connecting node of a second group of electronic switch H bridges;

the head end and the tail end of the W-phase winding are respectively connected with a first connecting node and a second connecting node of a third group of electronic switch H bridges;

the position sensors are used for detecting N-level or S-level positions of the rotor magnet;

and the electronic switch controller controls the electronic switch to be switched on and off according to the received position signal of the position sensor.

Furthermore, the position sensors comprise three position sensors, namely a first position sensor, a second position sensor and a third position sensor in the clockwise direction; the included angle of the connecting lines between the adjacent position sensors and the rotating center of the motor is equal to the included angle between the central lines of the silicon steel sheets of the adjacent stator iron cores;

wherein: the setting positions of the third position sensor are as follows: when the central line of a stator iron core silicon steel sheet corresponding to the U-phase winding is superposed with the central line of rotor magnetic steel, the third position sensor is positioned at the central line position of the magnetic induction lines of the N poles of the S poles of the two magnetic steels of the rotor.

Furthermore, the position sensor is a Hall sensor, and the directions of the induction magnetic poles of the Hall sensors are consistent when the position sensor is installed.

Further, the position sensor is a proximity switch sensor.

Furthermore, the wire diameters of the enameled wires of the U-phase winding, the V-phase winding and the W-phase winding are the same, the lengths of the winding wires and the winding direction are the same, and the lengths of the winding wires comprise the lengths connected to circuit components.

Further, the ratio of the number of the stator iron core and the rotor magnetic steel is 1: 2/3 times or 2 times.

Furthermore, the number of the rotor magnetic steels is even.

Further, the motor is an inner rotor motor, an outer rotor motor or a multi-element disc motor.

The invention also provides a rotation control method of the novel motor adopting the integrated circuit matching connection, which adopts a position sensor to detect the S pole and N pole positions of the rotor magnetic steel, controls the opening and closing of the electronic switch through the received position signal of the position sensor, and respectively and independently controls the electrifying current direction of each group of winding wires, so that the S pole or N pole output power conversion of each output winding wire stator is realized; and then matching with the S pole and the N pole of the rotor corresponding to the magnetic steel, and performing power output according to the principle that like poles repel and unlike poles attract, so that the motor rotor rotates.

Furthermore, when two connecting nodes of the three groups of electronic switches H bridge are adjusted to be in uniform reverse connection with two ends of the corresponding motor winding wire, the motor steering is opposite.

The invention has the beneficial effects that: compared with the original star (Y) connection (the principle is that two groups of windings in three groups of windings of the stator all generate rotating magnetic fields to work) or the triangle connection (the principle is that one group or two groups of windings in three groups of windings all generate rotating magnetic fields to work). The motor has the advantages that the head end and the tail end of each group of winding wires are provided with independent electronic switches. Three groups of windings can be used for respectively and independently performing power output at the same time, and S-pole or N-pole output power conversion is performed on the output winding wire stators; and then matching with the S pole and the N pole of the rotor corresponding to the magnetic steel, and performing power output according to the principle that like poles repel and unlike poles attract. The different quantity ratios of strong magnets of the matched rotors. The performance such as torque is more excellent.

In the prior art, the thickness of the wire diameter of a motor enameled wire can be determined by star (Y) type connection according to the requirements of output torque (torque) and rotating speed. (the ubiquitous requirements and performances are large torque, low rotating speed and low power.) the thickness of the wire diameter of the motor enameled wire is determined by the triangular connection according to the requirements of output torque (torque) and rotating speed. The motor is provided with an electronic switch H bridge passing through a circuit, and an U, V, W winding independent connection method (three-in-one connection method for short, namely three-in-one parallel connection method) is adopted in cooperation.

According to the principle of the motor, the motor can be controlled to rotate forwards and backwards through a weak current signal or a simple weak current switch. Or the electronic switch controller is controlled by the programming of PLC and the like, so as to control the on-off of each electronic switch, and the motor can be accelerated and decelerated, reversed and the like during running.

Meanwhile, the matching mode of the number of the stators and the rotors of the motor in the scheme can also realize a star (Y) -shaped connection and triangular connection scheme.

Drawings

FIG. 1 is a first position view of a rotor in accordance with an embodiment;

FIG. 2 is a view illustrating the rotation of the rotor to a second position in the embodiment;

FIG. 3 is a view illustrating the rotation of the rotor to a third position in the embodiment;

FIG. 4 is a diagram illustrating the rotation of the rotor to a fourth position in the embodiment;

FIG. 5 is a view illustrating the rotation of the rotor to a fifth position in the embodiment;

FIG. 6 is a view illustrating the rotation of the rotor to a sixth position in the embodiment;

fig. 7 is a schematic view showing the installation of a position sensor of an outer rotor motor with 12 stators and 16 rotors;

fig. 8 is a schematic structural diagram of an outer rotor motor with 12 stators and 8 rotors;

fig. 9 is a schematic structural diagram of an inner rotor motor with 12 stators and 8 rotors;

fig. 10 is a schematic structural diagram of an inner rotor motor with 12 stators and 16 rotors;

fig. 11 is a schematic view showing the installation of a position sensor of an inner rotor motor in the case of a 12-stator 16-rotor.

Wherein: the motor comprises a motor shell 1, a first position sensor 21, a second position sensor 22, a third position sensor 23, rotor magnetic steel 3, a stator core 4, an enameled wire winding 5, an EQ (equal division), a DC + anode, a DC-cathode, a VCC (direct current low voltage signal + (high and low level voltage is required by electronic components), and a GND (ground) for signal public.

Detailed Description

The invention is further described below with reference to the accompanying drawings.

The embodiment provides a novel motor adopting integrated circuit matching connection and a rotation control method thereof, and the novel motor is suitable for an inner rotor motor, an outer rotor motor, a multi-element disc type motor and the like. An U, V, W winding independent connection method (three-one connection method for short, namely three-in-one parallel connection mode) is adopted mainly through an electronic switch H bridge of the circuit. The principle is with the winding of motor U group, V group ' S winding, W group ' S winding, and every group winding both ends all adds has independent electronic switch, and rethread position sensor detects rotor magnet steel ' S S utmost point and N utmost point position, and the switching of electronic switch is controlled through the position signal control electronic switch who receives position sensor, and the circular telegram current direction of every group winding of independent control respectively makes each winding wire stator of output take place S utmost point or N utmost point output power conversion. Then matching with the S pole and N pole of the rotor corresponding to the magnetic steel (strong magnetism, magnetic shoe). And making a principle that homopolar repulsion and heteropolar attraction are carried out, and making power output so as to enable the motor rotor to rotate. The efficiency of the electric energy is more efficient.

Motor requirements (structural features):

as shown in fig. 1, three groups of windings are divided into U1-U2, V1-V2, and W1-W2. The wire diameter of each winding 5 wire is required, and the lengths (including the lengths connected to circuit components) and the winding direction methods of U, V, W winding wires are all required to be consistent.

The proportion requirement of the number of rotor magnetic steel (strong magnetism, magnetic shoe) and the number of winding stators is as follows:

according to the requirements of motor size and torque, the number of rotor magnetic steels is even number (2, 4, 6, 8, 10 …), and the ratio of the number of stators to the number of rotor magnetic steels (strong magnetism, magnetic shoe) is 1 time or 2 times of one to two thirds.

As shown in fig. 1, the number of the stators is 12, and the number of the rotor magnetic steels (strong magnetism, magnetic shoe) can be 16. (slow speed and large torque).

As shown in fig. 8, the number of the stators is 12, and the number of the rotor magnetic steels (strong magnetism, magnetic shoe) can be 8. (fast speed and small torque).

As shown in fig. 10, the number of the stators is 12, and the number of the rotor magnetic steels (strong magnets and magnetic shoes) may be 16. (slow speed and large torque).

As shown in fig. 9, the number of the stators is 12, and the number of the rotor magnetic steels (strong magnets and magnetic shoes) may be 8. (fast speed and small torque).

In this embodiment, as shown in fig. 1, the number of stators is 12, and the number of rotor magnetic steels (strong magnets, magnetic shoes) is 16. The integrated circuit comprises a power supply and three groups of electronic switch H bridges, wherein the three groups of electronic switch H bridges are respectively a first group of electronic switch H bridges, a second group of electronic switch H bridges and a third group of electronic switch H bridges;

each group of electronic switch H bridge comprises four electronic switches which are respectively a first electronic switch, a second electronic switch, a third electronic switch and a fourth electronic switch; after the first electronic switch and the second electronic switch are connected in series, one end of the first electronic switch is connected with the positive electrode of the power supply, and the other end of the first electronic switch is connected with the negative electrode of the power supply; after the third electronic switch and the fourth electronic switch are connected in series, one end of the third electronic switch is connected with the positive electrode of the power supply, and the other end of the third electronic switch is connected with the negative electrode of the power supply; the middle connection node of the first electronic switch and the second electronic switch is a first connection node, and the middle connection node of the third electronic switch and the fourth electronic switch is a second connection node.

Preferably, each group of electronic switch H bridge further comprises a capacitor, and two ends of the capacitor are respectively connected with the anode and the cathode of the power supply. And realizing bypass, decoupling, filtering and energy storage.

The head end of the U-phase winding is connected with a first connecting node of a first group of electronic switch H bridges, and the tail end of the U-phase winding is connected with a second connecting node of the first group of electronic switch H bridges; the first group of electronic switch H bridge comprises electronic switches K1, K2, K3 and K4.

The head end of the V-phase winding is connected with a first connecting node of a second group of electronic switch H bridges, and the tail end of the V-phase winding is connected with a second connecting node of the second group of electronic switch H bridges. The second group of electronic switch H bridge comprises electronic switches K5, K6, K7 and K8.

The head end of the W-phase winding is connected with a first connecting node of a third group of electronic switch H bridge, and the tail end of the W-phase winding is connected with a second connecting node of the third group of electronic switch H bridge. The third group of electronic switch H bridge comprises electronic switches K9, K10, K11 and K12.

The motor also comprises 3 Hall sensors for detecting N-level or S-level positions of the rotor magnet and an electronic switch controller for controlling the opening and closing of the electronic switch according to received position signals of the Hall sensors.

Positional relationship of hall sensor and stator: as shown in fig. 7 or fig. 11, when the central line of the silicon steel sheet of the stator core 4 coincides with the central line of the rotor magnetic steel (strong magnet, magnetic shoe), the third hall sensor 23 (third position sensor, in this embodiment, hall sensor) is to be installed at the central line position of the magnetic induction line of the N pole of the two magnetic steels S pole of the rotor. Three sets of positions are shown in fig. 7 and fig. 11, and the directions of the induction magnetic poles of the three hall sensors are required to be consistent. The three Hall sensors are arranged along the clockwise direction, and the included angle of the connecting lines between the adjacent Hall sensors and the rotating center of the motor is equal to the included angle between the central lines of the silicon steel sheets of the adjacent stator iron cores.

The S pole and the N pole of the rotor magnetic steel are detected through the Hall sensor, the opening and closing of the electronic switch are controlled through the received position signal of the Hall sensor, in the embodiment, the relation between the Hall sensor and the circuit electronic component is set in the electronic switch controller and is as shown in figure 1:

when the third hall sensor 23 generates the VCC signal, the group electronic switches (K1, K4) are closed, and the group electronic switches (K2, K3) are opened. (circuit H-bridge half-bridge operation).

When the third hall sensor 23 generates the GND signal, the group electronic switches (K2, K3) are closed, and the group electronic switches (K1, K4) are opened. (circuit H-bridge half-bridge operation).

When the second hall sensor 22 generates the VCC signal, the group electronic switches (K9, K12) are closed, and the group electronic switches (K10, K11) are opened. (circuit H-bridge half-bridge operation).

When the second hall sensor 22 generates the GND signal, the group electronic switches (K10, K11) are closed, and the group electronic switches (K9, K12) are opened. (circuit H-bridge half-bridge operation).

When the first hall sensor 21 generates the VCC signal, (K5, K8) the group electronic switches are closed, and (K6, K7) the group electronic switches are opened. (circuit H-bridge half-bridge operation).

When the first hall sensor 21 generates the GND signal, (K6, K7) the group electronic switches are closed, and (K5, K8) the group electronic switches are opened. (circuit H-bridge half-bridge operation).

Note: the high-low signals of the signal output ends of the three groups of Hall sensors are uniformly reversely connected with the signal input end of the electronic switch component through the output of the electronic controller, and the motor steering is opposite.

When two connecting nodes of the three groups of electronic switches H bridge are adjusted to be in uniform reverse connection with two ends of the corresponding motor winding wire, the motor steering is opposite.

Detailed description of the specific scheme:

as shown in fig. 1, the N pole of the rotor magnetic steel is at the position of the third hall sensor 23, and the VCC signal is generated at the position of the third hall sensor 23, and the group of electronic switches (K1, K4) is closed and the group of electronic switches (K2, K3) is opened. U1 and U2 wind the stator N-stage output. Meanwhile, the N pole of the rotor magnetic steel is positioned at the position of the second Hall sensor 22, the second Hall sensor 22 generates a VCC signal, the (K9, K12) group electronic switches are closed, and the (K10, K11) group electronic switches are opened. W1 and W2 wind the N-stage output of the stator. Meanwhile, the S pole of the rotor magnetic steel is at the position of the first Hall sensor 21, the first Hall sensor 21 generates a GND signal, the group of electronic switches (K6, K7) is closed, and the group of electronic switches (K5, K8) is opened. V1 and V2 wind the stator S stage output. The rotor rotates counterclockwise.

When the rotor rotates anticlockwise to the position shown in fig. 2, the N pole of the rotor magnetic steel is at the position of the third hall sensor 23, and the third hall sensor 23 generates a VCC signal, the electronic switches in the (K1, K4) groups are closed, and the electronic switches in the (K2, K3) groups are opened. U1 and U2 wind the stator N-stage output. Meanwhile, the S pole of the rotor magnetic steel is positioned at the position of the second Hall sensor 22, the second Hall sensor 22 generates a GND signal, the group of electronic switches (K10, K11) is closed, and the group of electronic switches (K9, K12) is opened. W1 and W2 wind the stator S stage output. Meanwhile, the S pole of the rotor magnetic steel is at the position of the first Hall sensor 21, the first Hall sensor 21 generates a GND signal, the group of electronic switches (K6, K7) is closed, and the group of electronic switches (K5, K8) is opened. V1 and V2 wind the stator S stage output. The rotor rotates counterclockwise.

When the rotor rotates anticlockwise to the position shown in fig. 3, the N pole of the rotor magnetic steel is at the position of the third hall sensor 23, and the third hall sensor 23 generates a VCC signal, the electronic switches in the (K1, K4) groups are closed, and the electronic switches in the (K2, K3) groups are opened. U1 and U2 wind the stator N-stage output. Meanwhile, the S pole of the rotor magnetic steel is positioned at the position of the second Hall sensor 22. The second hall sensor 22 generates a GND signal, the group electronic switches (K10, K11) are closed, and the group electronic switches (K9, K12) are open. W1 and W2 wind the stator S stage output. Meanwhile, the N pole of the rotor magnetic steel is at the position of the first Hall sensor 21, the first Hall sensor 21 generates a VCC signal, the group of electronic switches (K5, K8) is closed, and the group of electronic switches (K6, K7) is opened. V1 and V2 wind the N-stage output of the stator. The rotor rotates counterclockwise.

When the rotor rotates anticlockwise to the position shown in fig. 4, the magnetic steel S pole of the rotor is at the position of the third hall sensor 23, and the third hall sensor 23 generates a GND signal, the electronic switches in the (K2, K3) groups are closed, and the electronic switches in the (K1, K4) groups are opened. U1 and U2 wind the stator S stage output. Meanwhile, the S pole of the rotor magnetic steel is positioned at the position of the second Hall sensor 22, the second Hall sensor 22 generates a GND signal, the group of electronic switches (K10, K11) is closed, and the group of electronic switches (K9, K12) is opened. W1 and W2 wind the stator S stage output. Meanwhile, the N pole of the rotor magnetic steel is at the position of the first Hall sensor 21, the first Hall sensor 21 generates a VCC signal, the group of electronic switches (K5, K8) is closed, and the group of electronic switches (K6, K7) is opened. V1 and V2 wind the N-stage output of the stator. The rotor rotates counterclockwise.

When the rotor rotates anticlockwise to the position shown in fig. 5, the S pole of the rotor magnetic steel is at the position of the third hall sensor 23, and the third hall sensor 23 generates a GND signal (K2, K3), and the group of electronic switches (K1, K4) is closed. U1 and U2 wind the stator S stage output. Meanwhile, the N pole of the rotor magnetic steel is positioned at the position of the second Hall sensor 22, the second Hall sensor 22 generates a VCC signal, the (K9, K12) group electronic switches are closed, and the (K10, K11) group electronic switches are opened. W1 and W2 wind the N-stage output of the stator. Meanwhile, the N pole of the rotor magnetic steel is at the position of the first Hall sensor 21, the first Hall sensor 21 generates VCC signals (K5, K8), and the group of electronic switches (K6, K7) is closed. V1 and V2 wind the N-stage output of the stator. The rotor rotates counterclockwise.

When the rotor rotates anticlockwise to the position shown in fig. 6, the magnetic steel S pole of the rotor is at the position of the third hall sensor 23, and the third hall sensor 23 generates a GND signal, the electronic switches in the (K2, K3) groups are closed, and the electronic switches in the (K1, K4) groups are opened. U1 and U2 wind the stator S stage output. Meanwhile, the N pole of the rotor magnetic steel is positioned at the position of the second Hall sensor 22, the second Hall sensor 22 generates a VCC signal, the (K9, K12) group electronic switches are closed, and the (K10, K11) group electronic switches are opened. W1 and W2 wind the N-stage output of the stator. Meanwhile, the S pole of the rotor magnetic steel is at the position of the first Hall sensor 21, and the first Hall sensor 21 generates GND signals (K6, K7) to close the electronic switches of the group (K5, K8) and open the electronic switches of the group. V1 and V2 wind the stator S stage output. The rotor is rotated counterclockwise to the fig. 1 position, repeating the fig. 1-6 actions.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.