WO2021008507A1

WO2021008507A1 - Dual magnetic circuit coupler

Info

Publication number: WO2021008507A1
Application number: PCT/CN2020/101748
Authority: WO
Inventors: 刘刚
Original assignee: 刘刚
Priority date: 2019-07-14
Filing date: 2020-07-14
Publication date: 2021-01-21
Also published as: CN114128114A

Abstract

A dual magnetic circuit coupler, comprising a base (17), a housing (1), and end covers (7, 10, 14) fixed at two ends of the housing (1); a bearing is mounted on the end covers (7, 10, 14), a magnetoelectric coupling part is arranged in the housing (1), the magnetoelectric coupling part comprises a main magnetic circuit, a secondary magnetic circuit, and a rotation shaft (6), a main magnetic circuit iron core (13) being provided with a winding A and a winding B; a magnetic conductive piece (11) arranged between the winding A and the winding B corresponds to an upper convex tooth (4) of the secondary magnetic circuit, i.e. a rotor (2), the winding A performs magnetoelectric coupling on the winding B, the winding B is induced to generate a magnetic field, and magnetic fields of the winding A and the winding B are overlapped, attracting the upper convex tooth (4) of the rotor (2), a magnetic field magnetic force line of the resultant magnetic field passes through the secondary magnetic circuit, attracting the upper convex tooth (4) of the rotor (2), and thus the rotor (2) moves along with changes in magnetic force of the magnetic fields of the winding A and the winding B, such that the working efficiency of the dual magnetic circuit coupler is improved. The dual magnetic circuit coupler can be used for devices such as a power transmission station, an electric automobile, and a power machine.　

Description

A double magnetic circuit coupler

Technical field

The invention relates to the field of electromechanics, in particular to a dual magnetic circuit coupler.

Background technique

The current magnetoelectric coupler basically sets the main winding and the auxiliary winding on one magnetic circuit. The magnetic field generated by the auxiliary winding during the magnetic and electric coupling hinders the passage of the magnetic field of the main winding, which makes the working efficiency of the magnetoelectric coupler low. A higher efficiency magnetoelectric coupler is of great significance.

technical problem

The object of the present invention is to provide a magnetoelectric coupler with a simple structure, less energy loss in magnetoelectric coupling and high efficiency.

Technical solutions

In order to achieve the above objective, the present invention provides a dual magnetic coupler, which includes a base, a housing, and end covers fixed at both ends of the housing. Bearings are installed on the end covers, and the magnetic-electric coupling part is arranged on the housing. Inside, it is characterized in that the magneto-electric coupling part includes: a main magnetic circuit, a secondary magnetic circuit, and a rotating shaft. The main magnetic circuit has an iron core such as silicon steel sheet, and a wire such as enameled wire. The iron core is ring-shaped. In the radial direction, there are 2x magnetic necks (x is a positive integer) and 2x magnetic shoes as a whole. The magnetic shoe is connected to the magnetic neck, the magnetic neck is connected to the main iron core, and 2x wire slots are arranged between the magnetic neck and the magnetic neck. Insulating materials such as insulating paper are arranged in the wire slots, and the wires are wound on the iron core through the wire slots , Forming a pair of A winding and B winding, the number of winding A is y (y is a positive integer, less than x), the number of winding B is y or greater than y, winding A is the input winding, and winding B is the output winding. A winding is connected with a capacitor, B winding is connected with a capacitor; or A winding is connected with a capacitor, B winding is connected with a capacitor, and A winding is connected with a pulser; the pulser is composed of an electronic circuit or a commutator is fixed on the shaft, there is The carbon brush is composed of sliding commutator. The secondary magnetic circuit part is composed of a rotor and a magnet. There are 2j (j is a positive integer, less than y) convex teeth on the rotor and the rotor is an integral structure. The convex teeth have magnetic materials such as silicon steel sheets, and the convex teeth are equipped with magnets. For example, permanent magnets or electromagnets such as conductive coils, metal bars such as aluminum bars can also be set in the convex teeth to form a squirrel cage rotor. The convex teeth correspond to the magnetic shoes on the iron core, and there is a gap between the convex teeth and the magnetic shoes. h, h is greater than 0.01 mm and less than 20 mm, the rotor is fixed in contact with the shaft. The rotating shaft is fixedly in contact with the rotor, and the A winding on the iron core is magnetically coupled to the B winding. The B winding is induced to generate a magnetic field. The A winding and the B winding magnetic field are combined to attract the convex teeth of the rotor. The magnetic field lines of the composite magnetic field come from the auxiliary magnetic circuit. By attracting the protruding teeth of the rotor, the rotor follows the change of the magnetic field of the A winding and the B winding and moves to play the role of rotor magnetism and improve the working efficiency of the dual magnetic circuit coupler.

The present invention also provides a single-phase transformer, which includes the magnetic-electric coupler of the present invention and a secondary magnetic circuit rotor that provides output power. The iron core is provided with A1 and A2 windings, and the A1 and A2 windings are connected in series to form an input winding And there is no capacitor connected, and the B1 and B2 windings are paired with B1 and B2 windings. The B1 and B2 windings are connected in series to form an output winding and no capacitor is connected. However, there are capacitors in parallel on the A2 and B2 windings. The input winding electromagnetically couples the output winding. The winding is induced to generate a magnetic field. The input winding and output winding magnetic fields are combined to attract the protruding teeth of the rotor. In the composite magnetic field, there are magnetic field lines passing through the auxiliary magnetic circuit. The output winding on the main magnetic circuit reduces the magnetic field obstruction to winding A, and the rotor follows The A1 and A2 windings and the B1 and B2 windings move due to changes in the magnetic field of the windings, and the rotor movement forms a dynamic drag load such as a fan; this kind of transformer with a dual magnetic circuit coupler has a high working efficiency.

The present invention also provides a single-phase motor, which includes the magnetoelectric coupler of the present invention and a secondary magnetic circuit rotor for providing output power. The iron core is provided with a pair of A1, B1 windings, A2, B2 windings, and A1 , A2 winding is set as the input winding, B1 and B2 windings are set as the output winding, A1 and B1 windings are not connected to capacitors, A2 and B2 windings are connected to capacitors, the input winding is electromagnetically coupled to the output winding, and the output windings B1 and B2 are induced successively Generates a magnetic field, and the output winding strengthens the magnetic field barrier of the input winding on the main magnetic circuit. The input winding and output winding magnetic fields combine to attract the convex teeth of the rotor. The magnetic field lines pass through the rotor, and the rotor follows the A1, B1 winding and A2, B2 windings. The magnetic field changes and the magnetic force changes, and the rotor movement forms a dynamic drag load such as the work of a pump; this kind of motor drags the load, and the mechanical efficiency is very high.

The present invention also provides a three-phase transformer, which includes the magnetic-electric coupler of the present invention and a secondary magnetic circuit rotor that provides output power. The iron core is provided with A1, A2, A3, A1', A2', A3' windings , A1, A1' windings are connected in series, A2, A2' windings are connected in series, A3, A3' windings are connected in series, forming a three-phase input winding and no capacitance is connected, and at the same time, there are B1, B2, B3, B1' on the matching magnet core , B2', B3' windings, B1, B1' windings are connected in series, B2, B2' windings are connected in series, B3, B3' windings are connected in series, forming a three-phase output winding and no capacitor connected, three-phase input winding for three-phase output The windings are electromagnetically coupled, and the output winding is induced to generate a magnetic field. After the magnetic fields of the input winding and the output winding are combined, the protruding teeth of the rotor are strongly attracted. The magnetic field lines in the composite magnetic field pass through the auxiliary magnetic circuit, and the output winding reduces the pair A on the main magnetic circuit. The winding magnetic field hinders the effect. The rotor follows the changes in the magnetic field of the input winding and the output winding. The rotor motion forms power to drive the fan and the generator to work. The electrical energy generated by the generator is adjusted to the input after adjusting the voltage, current and frequency. In the circuit; this kind of transformer is ideal, and the energy conversion efficiency is very high.

The present invention also provides a three-phase motor, which includes the magnetoelectric coupler of the present invention and a secondary magnetic circuit rotor for providing output power. The iron core is provided with A1, A2, A3, A1', A2', A3 'Winding, A1, A1' windings are connected in series, A2, A2' windings are connected in series, A3, A3' windings are connected in series, forming a three-phase input winding without connecting capacitance, B1, B2, B3, B1' are provided on the iron core , B2', B3' windings, B1, B1' windings are connected in series, B2, B2' windings are connected in series, B3, B3' windings are connected in series, forming a three-phase sensed winding, each phase sensed winding is connected with a capacitor, input winding The output winding is electromagnetically coupled, and the output winding is induced to generate a magnetic field. The output winding strengthens the magnetic field barrier of the input winding on the main magnetic circuit. The magnetic field of the input winding and the output winding are combined, and the magnetic field force of the input winding is doubled to attract the convex rotor. Tooth, the magnetic field lines of force pass through the rotor. The rotor follows the changes in the magnetic field of the A1-A1', A2-A2', A3-A3' windings and the B1-B1', B2-B2', B3-B3' windings. The movement of the rotor forms a dynamic drag load such as the work of a lathe; this three-phase motor drags the load and has higher mechanical efficiency.

Beneficial effect

Compared with the related magnetoelectric coupler, the remarkable feature of the present invention is that a dual magnetic circuit is arranged on the magnetic circuit of the coupler, and a pair of windings is arranged on the main magnetic circuit, namely, A winding and B winding are a pair. A secondary magnetic circuit is set corresponding to the magnetic conductive shoe in between and the coupler is set as a transformer, and the A winding and the B winding are not connected to the capacitor. When the A winding is magnetically coupled to the B winding, the B winding is excited to generate a magnetic field The magnetic field of the A winding and the B winding are combined, and a part of the magnetic field lines of the composite magnetic field pass through the auxiliary magnetic circuit. The B winding on the main magnetic circuit reduces the magnetic field obstruction of the A winding, so that when the dual magnetic circuit coupler is set as a transformer, its working efficiency Very high; when the coupler is set to a motor, when the A winding is not connected to the capacitor, the B winding is connected to the capacitor, and the A winding is magnetically coupled to the B winding, the B winding is excited to generate a magnetic field, and the B winding is strengthened on the main magnetic circuit In order to hinder the input winding magnetic field, the input winding and output winding magnetic fields are combined, and the magnetic field force of the input winding is doubled to attract the convex teeth of the rotor. The magnetic field lines pass through the rotor, and the rotor follows the change of the magnetic field of the A winding and B winding. In motion, when the dual magnetic circuit coupler is set as a motor, its working efficiency can be greatly improved; the dual magnetic circuit coupler of the present invention can be used in power transmission stations, electric vehicles, power machinery and other equipment.

Description of the drawings

Figure 1 is a schematic diagram of the principle of a dual magnetic circuit coupler.

Figure 2 is a schematic diagram of the structure of a single-phase motor composed of a dual magnetic circuit coupler.

Figure 3 is a schematic cross-sectional view of Figure 2A-A.

Figure 4 is a schematic diagram of the structure of a three-phase motor composed of a dual magnetic circuit coupler.

Figure 5 is a schematic cross-sectional view of Figure 4A-A.

The best mode of the invention

To achieve the above objective, the present invention provides a dual magnetic circuit coupler, which is characterized in that a dual magnetic circuit is provided on the magnetic circuit of the coupler, a main magnetic circuit and a secondary magnetic circuit are provided, and a pair of windings is provided on the main magnetic circuit. The A winding and the B winding are a pair. When the magnetic-electric coupling is performed between the A winding and the B winding, the rotor of the secondary magnetic circuit guides the magnetic field lines to pass through, playing the role of rotor guidance, greatly improving the working efficiency of the dual magnetic circuit coupler.

Figure 1 is a schematic diagram of the principle of a dual magnetic circuit coupler. As shown in Figure 1, the dual magnetic circuit coupler includes: a main magnetic circuit, a secondary magnetic circuit, and a rotating shaft 6. The main magnetic circuit is composed of an iron core 13 such as silicon steel sheet and a wire such as enameled wire. The iron core 13 is ring-shaped. There are 2 magnetic necks 9 and 2 magnetic shoes 11 as a whole in 13, magnetic shoe 11 is connected to magnetic neck 9, magnetic neck 9 is connected to iron core 13, between magnetic neck 9 and magnetic neck 9 There are 2 coil positions. Insulating paper is set at the coil position. The wire is wound on the coil position and the iron core 13 to form a pair of A winding and B winding. The A winding is set as the input winding, and the B winding is set as the output winding. The winding is not connected to the capacitor, and the B winding is not connected to the capacitor; the auxiliary magnetic circuit part is composed of a rotor 2 and a magnet. There are two convex teeth on the rotor 2 and the rotor 2 is an integral structure. The convex teeth 4 have silicon steel sheets and the convex teeth 4. Permanent magnets are arranged inside, the convex teeth 4 correspond to the magnetic shoes 11 on the iron core 13, there is a gap h between the convex teeth 4 and the magnetic shoes 11, and h is greater than 0.01 mm and less than 20 mm, and the rotor 2 is fixed in contact with the rotating shaft 6; When the magnetic-electric coupling is performed between the A winding and the B winding, the rotor 2 of the secondary magnetic circuit guides the magnetic field lines to pass. After the magnetic field of the A winding and the B winding are combined, the magnetic field passes through the secondary magnetic circuit rotor 2 in the A winding and the B winding The method of connecting or not connecting the capacitor is adopted to play the attracting and guiding role of the rotor 2 and improve the working efficiency of the dual magnetic circuit coupler.

Example one

Figure 2 is a schematic structural diagram of a single-phase motor composed of dual magnetic circuit couplers, and Figure 3 is a schematic cross-sectional diagram of Figure 2A-A. As shown in Figures 2 and 3, a single-phase single motor includes a base 17, a housing 1, an end cover 7 fixed on both ends of the housing 1, and an end cover 14. The end cover 7 and the end cover 14 are provided with The bearing, the magnetic-electric coupling part is arranged in the casing 1, which includes the magnetic-electric coupler of the present invention and the auxiliary magnetic circuit rotor 2 that provides output power. The iron core 13 is provided with a pair of A1, B1 windings, A2 , B2 winding, A1 and A2 windings are set as input windings, B1 and B2 windings are set as output windings, A1 and B1 windings are not connected to capacitors, A2 and B2 windings are connected to capacitors, input windings electromagnetically couple output windings, output winding A2 , B2 is induced to generate a magnetic field successively, and the output winding strengthens the magnetic field barrier of the input winding on the magnetic circuit. The input winding and output winding magnetic fields combine to attract the convex teeth 4 of the rotor 2. The magnetic field lines pass through the rotor 2, and the rotor 2 follows A1 The B1 winding and the A2 and B2 windings move as the magnetic field changes, and the rotor 2 moves to form a dynamic drag load such as a water pump; this kind of motor drags the load, and the work efficiency is very high.

Example two

Figure 4 is a schematic diagram of a three-phase motor composed of a dual magnetic circuit coupler, and Figure 5 is a schematic cross-sectional view of Figure 4A-A. As shown in Figures 4 and 5, a three-phase motor includes a base 17, a housing 1, an end cover 7 fixed to the two ends of the housing 1, and an end cover 10. The end cover 7 and the end cover 10 are equipped with bearings. , The magnetoelectric coupling part is arranged in the casing 1, which includes the magnetoelectric coupler of the present invention and the auxiliary magnetic circuit rotor for providing output power, and the iron core 13 is provided with A1, A2, A3, A1' , A2', A3' windings, A1, A1' windings are connected in series, A2, A2' windings are connected in series, A3, A3' windings are connected in series, forming a three-phase input winding and no capacitance is connected, the iron core 13 is provided with B1 B2, B3, B1', B2', B3' windings, B1, B1' windings are connected in series, B2, B2' windings are connected in series, B3, B3' windings are connected in series, forming a three-phase sensed winding, each phase is sensed winding Connected with a capacitor, the input winding is electromagnetically coupled to the output winding, the output winding is induced to generate a magnetic field, and the output winding strengthens the magnetic field barrier of the input winding on the main magnetic circuit. The magnetic field of the input winding and the output winding are combined, which doubles the magnetic field of the input winding. The force attracts the convex teeth 4 of the rotor 2, and the magnetic field lines pass through the rotor 2. The rotor follows the windings of A1-A1′, A2-A2′, A3-A3′ and B1-B1′, B2-B2′, B3-B3′ The magnetic field of the winding changes and moves, and the movement of the rotor 2 forms a dynamic drag load such as the work of a lathe; this three-phase motor drags the load, and the work efficiency is higher.

The example is described above. The motor composed of the above dual magnetic circuit coupler can be set as a transformer, that is, the A winding and the B winding of different types are paired on the main magnetic circuit, and the A winding and the B winding are not connected to the capacitor. Similarly, when the A winding is magnetically coupled to the B winding, the magnetic field generated by the B winding, the A winding and the B winding magnetic field are combined, and a part of the composite magnetic field magnetic field lines pass through the auxiliary magnetic circuit, and the B winding reduces the magnetic field to the A winding on the main magnetic circuit. Obstructive effect, so the work efficiency is very high; the dual magnetic circuit coupler of the present invention can constitute a variety of technical solutions, which will not be repeated here, and the exemplary technical solutions are modified or replaced without departing from the technology of the present invention The scope of the program.

Claims

A dual magnetic circuit coupler, which comprises a base, a casing, and end covers fixed at both ends of the casing. Bearings are installed on the end covers. The magnetic-electric coupling part is arranged in the casing and is characterized in that the The magnetoelectric coupling part includes: the main magnetic circuit, the auxiliary magnetic circuit, and the rotating shaft. The main magnetic circuit part is composed of an iron core such as silicon steel sheet and a wire such as enameled wire. The iron core is ring-shaped. In the radial direction, there are 2x magnetic conductors in the iron core. Neck (x is a positive integer), 2x magnetic shoes are integrated with the magnetic shoes, the magnetic shoes are connected to the magnetic neck, and the magnetic neck is connected to the main iron core. There are 2x wire slots between the magnetic neck and the magnetic neck. Insulation material such as insulating paper is arranged in the slot, and the wire is wound on the iron core through the slot to form a pair of A winding and B winding. The number of A winding is y (y is a positive integer and less than x), then the number of B windings Is y or greater than y, winding A is the input winding, winding B is the output winding, winding A is connected with a capacitor, winding B is connected with a capacitor; or winding A is connected with a capacitor, winding B is connected with a capacitor, and winding A is connected with a pulser ; The pulser is composed of an electronic circuit or a commutator fixed on the shaft, composed of a carbon brush sliding commutator, and the auxiliary magnetic circuit part is composed of a rotor and a magnet. There are 2j on the rotor (j is a positive integer, less than y ) A convex tooth is an integral structure with the rotor. The convex tooth is provided with a magnetic material such as silicon steel sheet. A magnet such as a permanent magnet or an electromagnet such as a conductive coil is arranged in the convex tooth. Metal strips such as aluminum can also be arranged in the convex tooth. A squirrel-cage rotor is formed. The convex teeth correspond to the magnetic shoes on the iron core. There is a gap h between the convex teeth and the magnetic shoes, and h is greater than 0.01 mm and less than 20 mm. The rotor is fixed in contact with the shaft, and the shaft is fixed in contact with the rotor. The winding A on the core is magnetically and electrically coupled to the winding B. The winding B is induced to generate a magnetic field. The magnetic field of the A winding and the B winding are combined to attract the convex teeth of the rotor. The magnetic field lines of the composite magnetic field pass through the auxiliary magnetic circuit and attract the convex teeth of the rotor. , The rotor follows the change of the magnetic field of the A winding and the B winding to move, play the role of rotor magnetism, and improve the working efficiency of the dual magnetic circuit coupler.
The dual magnetic circuit coupler according to claim 1, characterized in that: a single-phase transformer comprising the magnetic electric coupler of the present invention and a secondary magnetic circuit rotor that provides output power, and the iron core is provided with A1, A2 winding, A1 and A2 windings are connected in series to form an input winding and no capacitance is connected. At the same time, B1 and B2 windings are paired, and B1 and B2 windings are connected in series to form an output winding and no capacitance is connected, but the A2 and B2 windings are connected in parallel There is a capacitor, the input winding electromagnetically couples the output winding, the output winding is induced to generate a magnetic field, the input winding and the output winding magnetic field are combined, attracting the convex teeth of the rotor, the magnetic field in the composite magnetic field passes through the auxiliary magnetic circuit, and the output winding is in the main The magnetic circuit reduces the obstructive effect on the magnetic field of the A winding. The rotor follows the changes in the magnetic field of the A1, A2 and B1, B2 windings, and the rotor moves to form a dynamic drag load.
The dual magnetic circuit coupler according to claim 1, characterized in that: a single-phase motor comprising the magnetic electric coupler of the present invention and a secondary magnetic circuit rotor for providing output power, and the iron core is arranged as Pair A1, B1 windings, A2, B2 windings, A1, A2 windings are set as input windings, B1, B2 windings are set as output windings, A1, B1 windings are not connected to capacitors, A2, B2 windings are connected to capacitors, input windings are for output The windings are electromagnetically coupled. The output windings B1 and B2 are induced to produce magnetic fields. The output windings strengthen the magnetic field barrier of the input windings on the main magnetic circuit. The magnetic fields of the input windings and output windings are combined to attract the convex teeth of the rotor, and the magnetic field lines of force from the rotor Through, the rotor follows the changes in the magnetic field of the A1, B1 windings and the A2, B2 windings, and the rotor movement forms a dynamic drag load.
The dual magnetic circuit coupler according to claim 1, characterized in that: a three-phase transformer comprising the magnetic electric coupler of the present invention and a secondary magnetic circuit rotor that provides output power, and the iron core is provided with A1, A2, A3, A1, A2, A3 windings, A1, A1 windings are connected in series, A2, A2 windings are connected in series, A3, A3 windings are connected in series, forming a three-phase input winding and no capacitance is connected, and at the same time the paired set magnetic core has B1 , B2, B3, B1, B2, B3 windings, B1, B1 windings are connected in series, B2, B2 windings are connected in series, B3, B3 windings are connected in series, forming a three-phase output winding and no capacitor connected, three-phase input winding for three-phase The output winding is electromagnetically coupled, and the output winding is induced to generate a magnetic field. After the magnetic field of the input winding and the output winding are combined, the protruding teeth of the rotor are strongly attracted. In the composite magnetic field, the magnetic field lines pass through the auxiliary magnetic circuit, and the output winding reduces the interference on the main magnetic circuit. A winding magnetic field hinders the effect. The rotor follows the change of the magnetic field of the input winding and the output winding. The rotor movement forms the power to drive the fan and the generator to work. The electric energy generated by the generator is adjusted for voltage, current, and frequency and then compensated Input circuit.
The dual magnetic circuit coupler according to claim 1, characterized in that: a three-phase motor, which includes the magnetic electric coupler of the present invention and a secondary magnetic circuit rotor for providing output power, and the iron core is provided with A1, A2, A3, A1, A2, A3 windings, A1, A1 windings are connected in series, A2, A2 windings are connected in series, A3, A3 windings are connected in series, forming a three-phase input winding and no capacitor is connected, B1 is set on the iron core , B2, B3, B1, B2, B3 windings, B1, B1 windings are connected in series, B2, B2 windings are connected in series, B3, B3 windings are connected in series, forming a three-phase sensed winding, each phase sensed winding is connected with a capacitor, input The output winding is electromagnetically coupled to the output winding. The output winding is induced to generate a magnetic field. The output winding strengthens the magnetic field barrier of the input winding on the main magnetic circuit. The magnetic field of the input winding and output winding are combined, and the magnetic field force of the input winding is doubled to attract the rotor. Convex teeth, the magnetic field lines pass through the rotor. The rotor follows the changes in the magnetic field of the A1-A1, A2-A2, A3-A3 windings and the B1-B1, B2-B2, B3-B3 windings, and the rotor moves to form a dynamic drag Dynamic load.
A dual magnetic circuit coupler, which comprises a base, a casing, and end covers fixed at both ends of the casing. Bearings are installed on the end covers. The magnetic-electric coupling part is arranged in the casing and is characterized in that the The magnetoelectric coupling part includes: the main magnetic circuit, the auxiliary magnetic circuit, the rotating shaft, the main magnetic circuit has an iron core, a wire, and the iron core is ring-shaped. In the radial direction, there are 2x magnetic necks in the iron core (x is a positive integer) , 2x magnetically conductive shoes are integrated with the magnetically conductive shoes, the magnetically conductive shoes are connected to the magnetically conductive neck, the magnetically conductive neck is connected to the main iron core, and 2x wire slots are arranged between the magnetically conductive neck and the magnetically conductive neck. Insulating materials and wires are arranged in the wire slots. It is wound on the iron core through a wire slot to form a pair of A winding and B winding, A winding is the input winding, B winding is the output winding, the secondary magnetic circuit has a rotor, and there are convex teeth on the rotor and the rotor as an integral structure. There are magnetic materials on the teeth.
7. The dual magnetic circuit coupler of claim 6, wherein the A winding is connected to a capacitor, and the B winding is connected to a capacitor.
The dual magnetic circuit coupler according to claim 6, characterized in that: the A winding is not connected to a capacitor, and the B winding is connected to a capacitor.
8. The dual magnetic circuit coupler of claim 7, wherein the A winding is connected to a pulser; the pulser is composed of an electronic circuit.
The dual magnetic circuit coupler according to claim 7, characterized in that: the A winding is connected to a pulser; the pulser has a commutator fixed on the rotating shaft.
The dual magnetic circuit coupler according to claim 6, wherein a magnet is arranged in the protruding teeth.
7. The dual magnetic circuit coupler according to claim 6, characterized in that metal bars are arranged in the convex teeth to form a squirrel cage rotor.
A unidirectional transformer, characterized in that it comprises the dual magnetic circuit coupler according to claim 6 or 11 or 12, the core is provided with A1 and A2 windings, and the A1 and A2 windings are connected in series to form an input winding The capacitors are connected, and the B1 and B2 windings are paired with each other. The B1 and B2 windings are connected in series to form an output winding and connect the capacitors.
A single-phase motor, characterized in that it comprises the dual magnetic circuit coupler according to claim 6 or 11 or 12, and a pair of A1, B1 windings, A2, B2 windings, A1, A2 are arranged on the iron core. The windings are set as input windings, the B1 and B2 windings are set as output windings, the A1 and B1 windings are not connected to capacitors, and the A2 and B2 windings are connected to capacitors.
A three-phase transformer, characterized in that it comprises the dual magnetic circuit coupler according to claim 6 or 11 or 12, and the iron core is provided with A1, A2, A3, A1', A2', A3' windings , A1, A1' windings are connected in series, A2, A2' windings are connected in series, A3, A3' windings are connected in series to form a three-phase input winding, and at the same time there are B1, B2, B3, B1', B2', B3' winding, B1, B1' windings are connected in series, B2, B2' windings are connected in series, B3, B3' windings are connected in series, forming a three-phase output winding and connected to capacitors.
A three-phase motor, characterized in that it comprises the dual magnetic circuit coupler according to claim 6 or 11 or 12, and the iron core is provided with A1, A2, A3, A1', A2', A3' windings , A1, A1' windings are connected in series, A2, A2' windings are connected in series, A3, A3' windings are connected in series, forming a three-phase input winding without connecting capacitors, B1, B2, B3, B1', B2 are provided on the iron core ', B3' windings, B1, B1' windings are connected in series, B2, B2' windings are connected in series, B3, B3' windings are connected in series, forming a three-phase sensed winding, and each phase sensed winding is connected with a capacitor.