CN100399677C - Axial Flux-Radial Flux Composite Permanent Magnet Motor - Google Patents

Abstract

Axial flux-radial flux composite permanent magnet motor relates to the technical field of permanent magnet motors. It is to overcome the problem that the engine and other system components in the existing series and parallel drive devices cannot coordinate and cooperate, which makes the whole system bulky, complex in structure, large in energy consumption, large in exhaust emissions, and unable to effectively output power. The iron core rotor is on the left side relative to the permanent magnet rotor, and the permanent magnet rotor is on the right side relative to the iron core rotor side. The permanent magnet rotor is in the shape of a barrel, and the left shaft hole of the iron core rotor is sleeved on the first rotating shaft. On the right side end of the first rotating shaft, the left middle part of the first rotating shaft is rotationally connected with the shaft hole on the left side of the casing through the third bearing, the right end surface of the stator is connected to the inner right end surface of the casing, and the permanent magnet rotor The right middle part of the rotating shaft is rotatably connected with the shaft hole through the first bearing, and the left end of the rotating shaft of the permanent magnet rotor is rotatably connected with the shaft hole through the second bearing. The invention can make the internal combustion engine run in the highest efficiency zone all the time regardless of the road conditions.

Description

Axial Flux-Radial Flux Composite Permanent Magnet Motor

technical field

The invention relates to the technical field of permanent magnet motors.

Background technique

Fuel consumption and exhaust emission pollution of traditional internal combustion engine vehicles are hot issues of worldwide concern. The use of electric vehicles can achieve low energy consumption and low emissions. However, due to the energy density, lifespan, and price of batteries, which are one of the key components of electric vehicles, the cost performance of electric vehicles cannot compete with traditional internal combustion engine vehicles. Under such circumstances, hybrid electric vehicles, which combine the advantages of internal combustion engine vehicles and electric vehicles, develop rapidly and become a hot spot in the development of new vehicles.

The characteristics of the existing serial driving device are: the engine can be operated stably in its best working area without being affected by the driving conditions of the vehicle, and an engine with a lower power can be selected, but a generator with sufficient power is required And the motor, the output of the engine needs to be fully converted into electrical energy and then into the mechanical energy to drive the car. Due to the low efficiency of electromechanical energy conversion and battery charging and discharging, the utilization rate of fuel energy is relatively low; the energy utilization rate of the parallel drive device is relatively low. High, but the engine operating conditions are affected by the driving conditions of the car, so it is not suitable for frequently changing driving conditions. Compared with the serial structure, it requires more complicated transmission devices, power compound devices and transmission mechanisms. In the above-mentioned driving device, there is a problem that the engine and other components of the system cannot be coordinated and coordinated, so that the whole system has problems of bulky volume, complex structure, large energy consumption, and large exhaust emissions, and cannot effectively output power.

Contents of the invention

The purpose of the present invention is to overcome the problem that the engine and other components of the system cannot be coordinated and coordinated in the existing series drive device and parallel drive device, so that the whole system has the problems of bulky volume, complex structure, large energy consumption and large exhaust emission , but cannot effectively output the power; and then a kind of axial flux-radial flux compound permanent magnet motor is proposed. The present invention includes a housing 1, a stator 2, a permanent magnet rotor 3, and an iron core rotor 4; the side of the iron core rotor 4 relative to the permanent magnet rotor 3 is the left side, and the side of the permanent magnet rotor 3 relative to the iron core rotor 4 is the right side On the other hand, the iron core of the stator 2 is circular, and there are a plurality of slots 2-1 on the outer surface of the stator 2, and the opening centerlines of the slots 2-1 are evenly arranged around the axis line of the stator 2; all the slots 2 -1 is inlaid with winding 2-2; the iron core of the iron core rotor 4 is circular, and there are a plurality of straight slots 4-1 on the right end surface of the iron core rotor 4, and the opening center of the straight slot 4-1 The wires are evenly arranged radially around the axis of the iron core rotor 4, and the windings 4-2 are embedded in all the straight slots 4-1; the permanent magnet rotor 3 is barrel-shaped, and the left outer surface of the permanent magnet rotor 3 A plurality of first permanent magnets 3-4 are installed on the top, and a plurality of second permanent magnets 3-4' are installed on the inner circular wall of the permanent magnet rotor 3; the left shaft hole 4-3 of the iron core rotor 4 is socketed On the right end of the first rotating shaft 4-4, the left middle part of the first rotating shaft 4-4 is rotationally connected with the shaft hole 1-2 on the left side of the housing 1 through the third bearing 4-5, and the stator 2 The right end face is connected to the inner right end face of the housing 1, and the middle part of the right side of the rotating shaft 3-1 of the permanent magnet rotor 3 is rotationally connected with the shaft hole 1-1 on the right side of the housing 1 through the first bearing 3-2. , the left end of the rotating shaft 3-1 of the permanent magnet rotor 3 is rotationally connected with the shaft hole 4-7 on the right side of the iron core rotor 4 through the second bearing 3-3, the permanent magnet rotor 3 is set on the outside of the stator 2, and the permanent magnet rotor There is a gap L1 between the inner circular wall surface of 3 and the outer circular surface of the stator 2, and there is a gap L2 between the left end surface of the permanent magnet rotor 3 and the right end surface of the iron core rotor 4; the axis line of the stator 2, the permanent magnet The axis line of the rotor 3, the axis line of the iron core rotor 4 and the axis line of the first rotating shaft 4-4 coincide.

Working principle: The winding 2-2 on the stator 2 generates a rotating magnetic field, and the dragging permanent magnet rotor 3 rotates in the same direction and at the same speed, and the winding 4-2 on the iron core rotor 4 generates a rotating magnetic field, and the rotating magnetic field drags the permanent magnet The rotor 3 rotates in the same direction and at the same speed, while the iron core rotor 4 and the permanent magnet rotor 3 perform relative rotational motion. The left end of the first rotating shaft 4-4 can be used as an external rotational power input end, and the right end of the rotating shaft 3-1 of the permanent magnet rotor 3 can be used as a rotational power output end.

When the present invention is used in combination with an internal combustion engine (automobile), the internal combustion engine can always run in the highest efficiency zone independent of road conditions, thereby reducing fuel consumption and exhaust emissions, and realizing energy saving and consumption reduction; it can also replace the gearbox in the automobile , Clutches and flywheels and other components, simplify the structure of the car and reduce the cost. It can realize the driving control of the car and the smooth speed regulation in a wide range through electronic devices; at the same time, it also has the advantages of not requiring complicated cooling devices, simple structure, small size and low cost. It can also be used in industrial technology where two mechanical shafts with different rotating speeds work simultaneously.

Description of drawings

Fig. 1 is a schematic diagram of the overall structure of the present invention, Fig. 2 is a left view of the permanent magnet rotor 3 in Fig. 1, Fig. 3 is a right view of the permanent magnet rotor 3 in Fig. 1, and Fig. 4 is a right side view of the iron core rotor 4 in Fig. 1 5 is a radial sectional view of the stator 2 in FIG. 1 , FIG. 6 is a schematic structural view of the third embodiment, and FIG. 7 is a right view of the permanent magnet rotor 3 in FIG. 6 .

Detailed ways

Specific embodiment 1: This embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4, and Fig. 5. This embodiment is composed of a housing 1, a stator 2, a permanent magnet rotor 3, and an iron core rotor 4; The iron core is circular, and there are multiple slots 2-1 on the outer surface of the stator 2, and the opening centerlines of the slots 2-1 are evenly arranged around the axis line of the stator 2; all the slots 2-1 are inlaid together There are windings 2-2; the iron core of the iron core rotor 4 is circular, and there are a plurality of straight slots 4-1 on the right end surface of the iron core rotor 4, and the opening centerlines of the straight slots 4-1 surround the iron core The axis of the rotor 4 is evenly arranged radially, and the windings 4-2 are inlaid in all the straight slots 4-1; the permanent magnet rotor 3 is in the shape of a barrel, and a plurality of The first permanent magnet 3-4, and the inner circular wall of the permanent magnet rotor 3 are equipped with a plurality of second permanent magnets 3-4'; the left shaft hole 4-3 of the iron core rotor 4 is sleeved on the first rotating shaft 4 On the right end of -4, the left middle part of the first rotating shaft 4-4 is rotationally connected with the shaft hole 1-2 on the left side of the housing 1 through the third bearing 4-5, and the right end face of the stator 2 is connected to the On the inner right end surface of the housing 1, the middle part of the right side of the rotating shaft 3-1 of the permanent magnet rotor 3 is rotationally connected with the shaft hole 1-1 on the right side of the housing 1 through the first bearing 3-2, and the permanent magnet rotor 3 The left end of the rotating shaft 3-1 is rotationally connected with the shaft hole 4-7 on the right side of the iron core rotor 4 through the second bearing 3-3, the permanent magnet rotor 3 is set on the outside of the stator 2, and the inner circular wall of the permanent magnet rotor 3 There is a gap L1 between the outer surface of the stator 2 and the gap L2 between the left end surface of the permanent magnet rotor 3 and the right end surface of the iron core rotor 4; the axis line of the stator 2 and the axis center of the permanent magnet rotor 3 The axis line of wire, iron core rotor 4 coincides with the axis line of the first rotating shaft 4-4;

After the winding 4-2 on the iron core rotor 4 is connected in delta connection or star connection, it passes through the three conductive slip rings 4-6 on the left end surface of the iron core rotor 4 and the three brushes on the housing 1. 1-3 is connected with an external three-phase sinusoidal AC power supply; the winding 2-2 on the stator 2 is connected with an external three-phase sinusoidal AC power supply after being connected in a delta connection or a star connection.

Specific embodiment two: this embodiment is described in conjunction with Fig. 1, Fig. 2, Fig. 3, the difference between this embodiment and specific embodiment one is that each first permanent magnet on the left outer surface of the permanent magnet rotor 3 3-4 are uniformly arranged radially around the axis of the permanent magnet rotor 3, and each second permanent magnet 3-4' on the inner circular wall of the permanent magnet rotor 3 is uniformly arranged around the axis of the permanent magnet rotor 3. Arranged, the magnetization direction of each first permanent magnet 3-4 on the left side outer surface of the permanent magnet rotor 3 is all parallel to the axis line of the permanent magnet rotor 3, and each magnetization direction on the inner circular wall surface of the permanent magnet rotor 3 The magnetization direction of the second permanent magnet 3-4' is all perpendicular to the axis line of the permanent magnet rotor 3, every adjacent two first permanent magnets 3-4 and every adjacent two second permanent magnets The magnetization direction of 3-4' is opposite.

Specific embodiment three: This embodiment is described in conjunction with Fig. 6 and Fig. 7. The difference between this embodiment and specific embodiment two is that the left side surface of the permanent magnet rotor 3 and the inner circular wall are embedded with a plurality of first A permanent magnet 3-4.

Claims (3)

1. axial magnetic flux-radial flux composite magnetoelectric machine is characterized in that it comprises housing (1), stator (2), p-m rotor (3), iron core (4); Is the left side with iron core (4) with respect to p-m rotor (3) side, is the right side with p-m rotor (3) with respect to iron core (4) side, the iron core of stator (2) is an annular, have a plurality of grooves (2-1) on the outer round surface of stator (2), it is evenly distributed that the open centre line of groove (2-1) all centers on the axial line of stator (2); Be inlaid with winding (2-2) in all grooves (2-1) jointly; The iron core of iron core (4) is an annular, have a plurality of straight troughs (4-1) on its right end face of iron core (4), it is evenly distributed that the axial line that the open centre line of straight trough (4-1) all centers on iron core (4) is the radiation wire, is inlaid with winding (4-2) in all straight troughs (4-1) jointly; P-m rotor (3) is a drum shape, and a plurality of first permanent magnets (3-4) are installed on the left outer surface of p-m rotor (3), and a plurality of second permanent magnets (3-4 ') all are installed on the inner round wall face of p-m rotor (3); The left side axis hole (4-3) of iron core (4) is socketed on the termination, right side of first rotating shaft (4-4), the left side central portion of first rotating shaft (4-4) is rotationally connected by the axis hole (1-2) on the 3rd bearing (4-5) and housing (1) left side, the its right end face of stator (2) is connected on the inner right side end face of housing (1), the right side central of the rotating shaft (3-1) of p-m rotor (3) is rotationally connected by the axis hole (1-1) on clutch shaft bearing (3-2) and housing (1) right side, the left-hand end of the rotating shaft (3-1) of p-m rotor (3) is rotationally connected by second bearing (3-3) and iron core (4) right side axis hole (4-7), p-m rotor (3) is enclosed within the outside of stator (2), between the periphery of the inner round wall face of p-m rotor (3) and stator (2) gapped (L1), between its right end face of the left end face of p-m rotor (3) and iron core (4) gapped (L2); The axial line of the axial line of the axial line of the axial line of stator (2), p-m rotor (3), iron core (4) and first rotating shaft (4-4) coincides.

2. axial magnetic flux according to claim 1-radial flux composite magnetoelectric machine, it is evenly distributed to it is characterized in that axial line that each first permanent magnet (3-4) on the left outer surface of described p-m rotor (3) all centers on p-m rotor (3) is the radiation wire, it is evenly distributed that each second permanent magnet (3-4 ') on the inner round wall face of p-m rotor (3) all centers on the axial line of p-m rotor (3), the magnetizing direction of each first permanent magnet (3-4) on the left outer surface of p-m rotor (3) all parallels with the axial line of p-m rotor (3), the magnetizing direction of each second permanent magnet (3-4 ') on the inner round wall face of p-m rotor (3) is all perpendicular with the axial line of p-m rotor (3), and the magnetizing direction that every adjacent two first permanent magnets (3-4) reach whenever adjacent two second permanent magnets (3-4) is opposite.

3. axial magnetic flux according to claim 1 and 2-radial flux composite magnetoelectric machine, it is characterized in that each first permanent magnet (3-4) on the described p-m rotor (3) all is embedded in the left outer surface, each second permanent magnet (3-4 ') on the p-m rotor (3) all is embedded in the inner round wall face.

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