CN214124972U - Axial and radial mixed flux motor - Google Patents

Abstract

The utility model relates to an axial radial mixed magnetic flux motor. It has solved prior art design reasonable scheduling problem inadequately. Including motor casing, rotor subassembly, motor shaft, axial stator module, radial stator module, thereby axial stator module pegs graft respectively in radial stator module tip circumference inboard thereby make radial stator module both ends uncovered closed form the axle radially to surround the leak protection magnetism structure. Has the advantages that: radial axial magnetic force mixed utilization adopts the axle to radially surround the leak protection magnetism structure and reduces the magnetic leakage phenomenon, has realized radial magnetic leakage axial application and radial application of axial magnetic leakage, improves the permanent magnet utilization ratio, axial stator and radial stator peg graft each other and have reduced motor axial dimensions, and is small, and biaxial stator power is big, and the strength is concentrated, and the power density of motor is high, has reduced the volume and the weight of rotor subassembly effectively, makes the loss when rotor self rotates littleer like this.

Description

Axial and radial mixed flux motor

Technical Field

The utility model belongs to the technical field of electrical equipment, concretely relates to axial radial mixed magnetic flux motor.

Background

Flux machines have advantages of compact structure, high efficiency, high power density, etc., and thus have gained more and more attention. The magnetic power machine generally comprises a rotor, a stator, an end cover, a machine shell and the like, wherein the rotor and a motor shaft are driven to rotate by the mutual matching of the stator and the rotor, so that magnetic force is converted into power. Present magnetic flow motor is according to the stator, the distribution and the structure of rotor mainly divide into radial magnetic flow structure and axial magnet structure, it is radial or the axial all produces the torque in essence, this kind of drive mode is comparatively single, simultaneously, no matter radial magnetic flow structure or axial magnetic flow structure all have the magnetic leakage phenomenon, for example, radial magnetic flow structure has the axial magnetic leakage phenomenon, the radial magnetic leakage phenomenon exists in the axial magnetic flow structure, the magnetic leakage problem of motor, do not find effectual solution for a long time, cause the motor inefficiency like this, the development to axial permanent magnet motor has caused certain influence undoubtedly like this.

In order to solve the problems of the prior art, various solutions have been proposed through long-term research, and for example, chinese patent literature discloses a multi-stator hybrid magnetic circuit permanent magnet synchronous motor [ application No.: 201620333918.2]: the rotor is sleeved in the radial stator and is arranged coaxially with the radial stator, the axial stator is arranged at one end or two ends of the rotor, and the axial stator and the rotor are arranged concentrically; a radial winding is arranged in a stator slot of the radial stator, and an axial winding is arranged in a stator slot of the axial stator; the rotor is provided with a rotor slot, permanent magnets are placed in the rotor slot, the permanent magnets enable the rotor to generate radial magnetic poles and axial magnetic poles, the radial magnetic poles face the radial stator of the motor, and the axial magnetic poles face the axial stator of the motor, so that the motor can generate torque in the radial direction and the axial direction, and a mixed magnetic circuit is formed.

Although above-mentioned scheme has solved the single problem of current permanent-magnet machine drive mode to a certain extent, has realized through axial stator and radial stator that the motor is radial, the axial all produces the torque, still exists in this scheme: poor magnetic leakage prevention effect, large motor size and the like.

Disclosure of Invention

The utility model aims at the above-mentioned problem, provide a simple structure, the effectual axial radial mixed flux motor of leak protection magnetism.

In order to achieve the above purpose, the utility model adopts the following technical proposal: this axial radial mixed flux motor, including motor casing, the motor casing internal rotation be equipped with the rotor subassembly, just at least one end of motor shaft at rotor subassembly center rotate and wear out the motor casing outside, its characterized in that, rotor subassembly both ends terminal surface correspond respectively and be equipped with axial stator module, motor casing circumference inboard be equipped with be the open tubular structure in both ends and be located the radial stator module in the rotor subassembly circumference outside, just rotor subassembly circumference lateral surface respectively with radial stator module circumference inboard corresponding, just thereby axial stator module peg graft respectively and make radial stator module both ends uncovered seal form the axle and radially surround the leak protection magnetic structure in radial stator module tip circumference inboard.

In foretell axial radial mixed flux motor, rotor subassembly both ends terminal surface and circumference lateral surface have the S magnetic pole region and the N magnetic pole region that a plurality of circumference set gradually respectively, just the S magnetic pole region evenly crisscross one by one and adjacent distribution setting with the N magnetic pole region, the terminal surface of rotor subassembly and the S magnetic pole region or the N magnetic pole region one-to-one setting respectively of circumference lateral surface, axial stator module regional and the N magnetic pole region mutual correspondence with the S magnetic pole of rotor subassembly terminal surface respectively, just radial stator module regional and the N magnetic pole region mutual correspondence with the S magnetic pole of rotor subassembly circumference lateral surface respectively.

In the axial and radial mixed flux motor, the axial stator assembly respectively comprises an annular axial stator winding which is sleeved on the outer side of the motor shaft in the circumferential direction, an axial stator annular groove is circumferentially arranged on one end face of the axial stator winding, which is far away from the rotor assembly, and an axial stator magnet yoke is arranged in the axial stator annular groove; the radial stator assembly comprises a radial stator winding which is cylindrical and is sleeved on the circumferential outer side of the rotor assembly, a radial stator annular groove is formed in the circumferential outer side of the radial stator winding, and a radial stator magnet yoke is arranged in the radial stator annular groove.

In the axial and radial mixed flux motor, the axial stator winding is inserted into the circumferential inner side of one end of the radial stator winding, the circumferential outer side of the axial stator winding is not contacted with the circumferential inner side of the radial stator winding, the end surface of the axial stator magnetic yoke far away from the axial stator winding is flush with the end surface of the radial stator winding, and the axial stator winding and the radial stator winding are respectively positioned on the inner side of the end part of the motor shell.

In foretell axial radial mixed flux motor, the rotor subassembly have the motor mounting hole that supplies the motor shaft to pass and be the annular rotor block of circle including the center, the rotor block make by the silicon steel material, rotor block circumference be equipped with a plurality of first permanent magnets and second permanent magnet through location structure, just first permanent magnet use the centre of a circle of rotor block to disperse evenly distributed setting as circumference, just the second permanent magnet along rotor block circumference evenly distributed setting, just S magnetic pole region and N magnetic pole region form respectively between two adjacent first permanent magnets and second permanent magnet.

In foretell axial radial mixed flux motor, location structure include a plurality of evenly distributed and all use the centre of a circle of rotor body to disperse the bar groove that sets up as central circumference, the extension line of bar groove all extend to rotor body centre of a circle department, be equipped with the arc wall between two adjacent bar grooves are close to the one end in rotor body centre of a circle, just arc groove circumference evenly distributed form with the concentric annular structure that sets up in rotor body centre of a circle, just bar groove and arc wall run through two terminal surfaces of rotor body respectively, just first permanent magnet setting in the bar groove, the second permanent magnet setting in the arc wall, just first permanent magnet and second permanent magnet all flush with the terminal surface of rotor body.

In the axial and radial mixed flux motor, one side of each of the first permanent magnet and the second permanent magnet is provided with an S magnetic pole, the other side of each of the first permanent magnet and the second permanent magnet is provided with an N magnetic pole, S magnetic poles of two adjacent first permanent magnets and S magnetic poles of the second permanent magnet form S magnetic pole regions on the end surface of the rotor body and the circumferential outer side surface of the rotor body respectively, N magnetic pole regions are formed between N magnetic poles of two adjacent first permanent magnets and N magnetic poles of two adjacent second permanent magnets on the end surface of the rotor body and the circumferential outer side surface of the rotor body respectively, the S magnetic pole regions and the N magnetic pole regions are the same in size and shape, and the number of the S magnetic pole regions and the number of the N magnetic pole regions on the same end surface or the circumferential outer side surface of the rotor body are the same and are even.

In the axial and radial mixed flux motor, the first permanent magnet is close to the inner magnetism isolating component between one end of the center of the rotor body and the second permanent magnet; the inner magnetism isolating component comprises a plurality of strip-shaped isolating grooves which penetrate through two end faces of the rotor body and are circumferentially diverged by taking the circle center of the rotor body as the center, and the strip-shaped isolating grooves are respectively positioned between two adjacent arc-shaped grooves and are axially arranged along one end, close to the circle center, of the rotor body.

In the axial and radial mixed flux motor, the motor housing comprises a cylindrical motor base with heat dissipation ribs in the circumferential direction, the two ends of the motor base are open and are respectively connected with the motor end covers through the motor mounting bolt components so as to seal the opening of the motor base, one of the two motor end covers is provided with a cooling liquid inlet and a cooling liquid outlet, and the circumferential outer sides of the end surfaces of one end of the two motor end covers close to the motor base are respectively provided with a liquid guide hole, the motor base is circumferentially provided with a plurality of heat dissipation channels axially penetrating through the motor base, the liquid guide holes on the two motor end covers are respectively communicated through the heat dissipation channels, a plurality of curved heat dissipation grooves which are respectively communicated with the liquid guide holes are also arranged on the end surface of one end of the motor end cover away from the motor base, and the end surface of one end of the motor end cover, which is far away from the motor base, is provided with a cover body capable of sealing the heat dissipation groove.

Compared with the prior art, work as the utility model has the advantages of:

1. radial axial magnetic force mixed utilization adopts the axle radial to surround the leak protection magnetism structure and reduces the magnetic leakage phenomenon, has realized radial magnetic leakage axial and has used and radial the using of axial magnetic leakage, improves the permanent magnet utilization ratio, and axial stator and radial stator peg graft each other and have reduced motor axial dimensions, and is small, and biaxial stator power is big, and the strength is concentrated, and the power density of motor is high.

2. The rotor block is by silicon steel sheet integrated into one piece, and structural strength is high, and rotor block and permanent magnet intercombination replace current yoke structure, have reduced the volume and the weight of rotor subassembly effectively, and the loss is littleer when making rotor self rotate like this.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an exploded view of the structure of the present invention;

fig. 3 is a structural sectional view of the present invention;

fig. 4 is an exploded view of the motor end cap of the present invention;

fig. 5 is a schematic view of a rotor assembly of the present invention;

in the figure, a motor housing 1, a motor base 11, a heat dissipation rib 111, a motor mounting bolt assembly 12, a motor end cover 13, a coolant inlet 14, a coolant outlet 15, a liquid guide hole 16, a heat dissipation channel 17, a heat dissipation groove 18, a cover 19, a rotor assembly 2, an S magnetic pole region 21, an N magnetic pole region 22, a motor mounting hole 23, a rotor body 24, an S magnetic pole 25, an N magnetic pole 26, an inner magnetic isolation assembly 27, a strip isolation groove 271, a heat dissipation hole groove 28, a motor shaft 3, an axial stator assembly 4, an axial stator winding 41, an axial stator annular groove 42, an axial stator yoke 43, a radial stator assembly 5, a radial stator winding 51, a radial stator annular groove 52, a radial stator yoke 53, a positioning structure 7, a strip groove 71, an arc groove 72, a first permanent magnet 8 and a second permanent magnet 9.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the axial-radial mixed flux motor includes a motor housing 1, a rotor assembly 2 is rotatably disposed in the motor housing 1, and at least one end of a motor shaft 3 at the center of the rotor assembly 2 is rotatably disposed outside the motor housing 1, and is characterized in that end faces at two ends of the rotor assembly 2 are respectively and correspondingly provided with axial stator assemblies 4, a radial stator assembly 5 which is a cylindrical structure with two open ends and is located outside the circumferential direction of the rotor assembly 2 is disposed inside the circumferential direction of the motor housing 1, and circumferential outer side faces of the rotor assembly 2 are respectively corresponding to circumferential inner sides of the radial stator assemblies 5, and the axial stator assemblies 4 are respectively inserted into circumferential inner sides of end portions of the radial stator assemblies 5, so that the two ends of the radial stator assemblies 5 are open and sealed to form a magnetic leakage preventing structure with axial radial surrounding. Obviously, set up axial stator module 4 respectively and set up radial stator module 5 in the 2 circumference outsides of rotor subassembly through the both ends terminal surface at rotor subassembly 2, and simultaneously, thereby axial stator module 4 forms the axle radial with the uncovered closure in radial stator module 5 both ends respectively and surrounds the leak protection magnetism structure, can realize radial axial magnetic force mixed utilization like this, the axle radial surrounds the leak protection magnetism structure and reduces the magnetic leakage phenomenon, realized radial magnetic leakage axial and radial application of axial magnetic leakage, improve the permanent magnet utilization ratio, axial stator and radial stator peg graft each other and have reduced motor axial dimensions, and is small.

Preferably, the end faces of two ends and the circumferential outer side face of the rotor assembly 2 herein respectively have a plurality of S magnetic pole regions 21 and N magnetic pole regions 22 which are circumferentially arranged in sequence, and the S magnetic pole regions 21 and N magnetic pole regions 22 are uniformly staggered and adjacently distributed one by one, the end faces of the rotor assembly 2 and the S magnetic pole regions 21 or N magnetic pole regions 22 of the circumferential outer side face are respectively arranged in one-to-one correspondence, the axial stator assembly 4 respectively corresponds to the S magnetic pole regions 21 and N magnetic pole regions 22 of the end faces of the rotor assembly 2, and the radial stator assembly 5 respectively corresponds to the S magnetic pole regions 21 and N magnetic pole regions 22 of the circumferential outer side face of the rotor assembly 2. Obviously, the rotor assembly 2 has a plurality of S-pole areas 21 and N-pole areas 22 on both end surfaces thereof for corresponding to the axial stator assembly 4, and a plurality of S-pole areas 21 and N-pole areas 22 on the circumferential outer side surface of the radial stator assembly 5 for corresponding to the radial stator assembly 5, so as to improve the utilization rate of the permanent magnets to the maximum extent.

The axial stator assembly 4 in this embodiment includes annular axial stator windings 41 respectively sleeved on the circumferential outer side of the motor shaft 3, an axial stator annular groove 42 is circumferentially formed on one end face of the axial stator winding 41 far away from the rotor assembly 2, and an axial stator yoke 43 is arranged in the axial stator annular groove 42; the radial stator assembly 5 includes a radial stator winding 51 which is cylindrical and is sleeved on the circumferential outer side of the rotor assembly 2, a radial stator annular groove 52 is formed on the circumferential outer side of the radial stator winding 51, and a radial stator magnetic yoke 53 is arranged in the radial stator annular groove 52.

The axial stator winding 41 is inserted into the circumferential inner side of one end of the radial stator winding 51, the circumferential outer side of the axial stator winding 41 is not in contact with the circumferential inner side of the radial stator winding 51, the end surface of the axial stator yoke 43 far away from the axial stator winding 41 is flush with the end surface of the radial stator winding 51, and the axial stator winding 41 and the radial stator winding 51 are respectively positioned on the inner side of the end of the motor housing 1. By inserting the axial stator winding 41 into the circumferential inner side of the radial stator winding 51, the magnetic leakage prevention effect is improved, and the axial size of the motor is reduced. Here, the axial stator yoke 43 is fixed to the inside of the motor cover 13, and the radial stator yoke 53 is fixed to the inside of the motor base 11 in the circumferential direction.

Wherein, the motor casing 1 comprises a motor base 11 which is cylindrical and is provided with heat dissipation ribs 111 in the circumferential direction, two ends of the motor base 11 are open and are respectively connected with motor end covers 13 through motor mounting bolt assemblies 12 so as to seal the opening of the motor base 11, one motor end cover 13 of the two motor end covers 13 is provided with a cooling liquid inlet 14 and a cooling liquid outlet 15, and the end faces of the two motor end covers 13 close to the motor base 11 are respectively provided with a liquid guide hole 16 on the circumferential outer side, the motor base 11 is provided with a plurality of heat dissipation channels 17 axially penetrating through the motor base 11 on the circumferential direction, the liquid guide holes 16 on the two motor end covers 13 are respectively communicated through the heat dissipation channels 17, a plurality of curved heat dissipation grooves 18 which are respectively communicated with the liquid guide holes 16 are also arranged on the end surface of the end cover 13 far away from the motor base 11, and the end surface of the end cover 13 far away from the motor base 11 is provided with a cover body 19 which can seal the heat dissipation groove 18.

As shown in fig. 1 to 5, preferably, the rotor assembly 2 herein includes a rotor body 24 having a circular ring shape and a motor mounting hole 23 at the center for the motor shaft 3 to pass through, the rotor body 24 is made of silicon steel material, the rotor body 24 is circumferentially provided with a plurality of first permanent magnets 8 and second permanent magnets 9 through the positioning structure 7, the first permanent magnets 8 are circumferentially diverged and uniformly distributed by taking the center of the rotor body 24 as the circle center, the second permanent magnets 9 are circumferentially uniformly distributed and arranged along the rotor body 24, and the S-pole region 21 and the N-pole region 22 are respectively formed between two adjacent first permanent magnets 8 and second permanent magnets 9. Obviously, the existing magnetic yoke structure is replaced by the silicon steel sheet and the permanent magnet which are integrally formed, so that the volume and the weight of the rotor assembly 2 are effectively reduced, the loss of the rotor when the rotor rotates is smaller, and meanwhile, the structural strength of the rotor body 24 is increased.

In order to realize that the S magnetic pole region 21 and the N magnetic pole region 22 are distributed and arranged on the end face and the circumferential outer side face of the rotor body 24, the positioning structure 7 herein includes a plurality of strip-shaped grooves 71 which are uniformly distributed and circumferentially diverged and arranged by taking the center of the rotor body 24 as the center, the extension lines of the strip-shaped grooves 71 all extend to the center of the rotor body 24, an arc-shaped groove 72 is arranged between the ends of two adjacent strip-shaped grooves 71 close to the center of the rotor body 24, and the arc-shaped grooves 72 are circumferentially uniformly distributed to form an annular structure concentrically arranged with the center of the rotor body 24, and the strip-shaped grooves 71 and the arc-shaped grooves 72 respectively penetrate through two end faces of the rotor body 24, and the first permanent magnet 8 is arranged in the strip-shaped grooves 71, the second permanent magnet 9 is arranged in the arc-shaped groove 72, and the first. Preferably, the first permanent magnet 8 and the second permanent magnet 9 are disposed in the bar-shaped groove 71 and the arc-shaped groove 72 in an embedded manner, so that the stability of the first permanent magnet 8 and the second permanent magnet 9 is improved when the rotor body 24 rotates.

Further, one side of each of the first permanent magnet 8 and the second permanent magnet 9 has a uniform S-pole 25, the other side of each of the first permanent magnet 8 and the second permanent magnet 9 has an N-pole 26, S-poles 25 of two adjacent first permanent magnets 8 and S-poles 25 of two adjacent second permanent magnets 9 form S-pole regions 21 on the end surface of the rotor body 24 and the circumferential outer side surface of the rotor body 24, N-pole regions 22 are formed on the end surface of the rotor body 24 and the circumferential outer side surface of the rotor body 24 between N-poles 26 of two adjacent first permanent magnets 8 and N-poles 26 of two adjacent second permanent magnets 9, the S-pole regions 21 and the N-pole regions 22 have the same size and the same shape, and the number of S-pole regions 21 and the number of N-pole regions 22 on the same end surface or circumferential outer side surface of the rotor body 24 are both the.

Wherein, the first permanent magnet 8 is close to the inner magnetism isolating component 27 between one end of the circle center of the rotor body 24 and the second permanent magnet 9; the inner magnetism isolating assembly 27 includes a plurality of strip-shaped isolating grooves 271 penetrating through two end faces of the rotor body 24 and being circumferentially diverged with the center of the rotor body 24 as a center, the strip-shaped isolating grooves 271 are respectively located between two adjacent arc-shaped grooves 72 and are axially arranged along one end of the strip-shaped groove 71 close to the center of the rotor body 24. Obviously, the strip-shaped isolation grooves 271 can effectively reduce the magnetic mutual conduction between the S-pole region 21 and the N-pole region 22, and improve the utilization efficiency of the permanent magnet, and the rotor body 24 is further provided with a plurality of heat dissipation hole grooves 28 on the circumferential inner side for heat dissipation.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the motor housing 1, the motor base 11, the heat dissipating ribs 111, the motor mounting bolt assemblies 12, the motor end cover 13, the coolant inlet 14, the coolant outlet 15, the fluid guide holes 16, the heat dissipating channels 17, the heat dissipating grooves 18, the cover 19, the rotor assembly 2, the S pole region 21, the N pole region 22, the motor mounting holes 23, the rotor body 24, the S pole 25, the N pole 26 are more frequently used herein, the terms inner flux barrier 27, strip-shaped barrier slot 271, heat sink slot 28, motor shaft 3, axial stator assembly 4, axial stator winding 41, axial stator annular groove 42, axial stator yoke 43, radial stator assembly 5, radial stator winding 51, radial stator annular groove 52, radial stator yoke 53, positioning structure 7, strip-shaped slot 71, arc-shaped slot 72, first permanent magnet 8, second permanent magnet 9, etc., but do not exclude the possibility of using other terms. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. An axial and radial mixed magnetic motor comprises a motor shell (1), a rotor component (2) is rotationally arranged in the motor shell (1), at least one end of a motor shaft (3) at the center of the rotor component (2) is rotatably penetrated out of the outer side of the motor shell (1), it is characterized in that the end surfaces of the two ends of the rotor component (2) are respectively and correspondingly provided with an axial stator component (4), the inner side of the circumferential direction of the motor shell (1) is provided with a radial stator component (5) which is in a cylindrical structure with two open ends and is positioned at the outer side of the circumferential direction of the rotor component (2), and the circumferential outer side surfaces of the rotor components (2) respectively correspond to the circumferential inner sides of the radial stator components (5), and the axial stator assembly (4) is respectively inserted into the circumferential inner side of the end part of the radial stator assembly (5) so that the two ends of the radial stator assembly (5) are open and closed to form a shaft radial surrounding anti-leakage structure.

2. The axial-radial mixed flux motor according to claim 1, wherein the rotor assembly (2) has a plurality of S-pole regions (21) and N-pole regions (22) arranged in sequence in the circumferential direction on the end surfaces at both ends and on the outer side surface in the circumferential direction, the S magnetic pole regions (21) and the N magnetic pole regions (22) are uniformly staggered one by one and are arranged adjacently, the end surface of the rotor component (2) and the S magnetic pole area (21) or the N magnetic pole area (22) of the circumferential outer side surface are respectively arranged in a one-to-one correspondence way, the axial stator component (4) is respectively corresponding to the S magnetic pole area (21) and the N magnetic pole area (22) of the end surface of the rotor component (2), and the radial stator assembly (5) corresponds to an S magnetic pole region (21) and an N magnetic pole region (22) of the circumferential outer side surface of the rotor assembly (2) respectively.

3. The axial-radial mixed flux motor according to claim 1 or 2, wherein the axial stator assembly (4) comprises annular axial stator windings (41) sleeved on the circumferential outer side of the motor shaft (3), an axial stator annular groove (42) is circumferentially formed in one end surface of the axial stator windings (41) far away from the rotor assembly (2), and an axial stator yoke (43) is arranged in the axial stator annular groove (42); radial stator module (5) including be cylindricly and the radial stator winding (51) of locating rotor subassembly (2) circumference outside of overlapping, radial stator winding (51) circumference outside radial stator annular groove (52) have, just radial stator annular groove (52) in be equipped with radial stator yoke (53).

4. The axial-radial mixed flux motor according to claim 3, wherein the axial stator winding (41) is inserted into a circumferential inner side of one end of the radial stator winding (51), a circumferential outer side of the axial stator winding (41) is not in contact with a circumferential inner side of the radial stator winding (51), an end surface of the axial stator yoke (43) far away from the axial stator winding (41) is flush with an end surface of the radial stator winding (51), and the axial stator winding (41) and the radial stator winding (51) are respectively positioned inside end portions of the motor housing (1).

5. The axial and radial mixed flux motor according to claim 2, wherein the rotor assembly (2) includes a rotor body (24) which has a motor mounting hole (23) at the center through which the motor shaft (3) passes and is in a circular ring shape, the rotor body (24) is made of silicon steel material, the rotor body (24) is circumferentially provided with a plurality of first permanent magnets (8) and second permanent magnets (9) through a positioning structure (7), the first permanent magnets (8) are circumferentially dispersed and uniformly distributed by taking the center of the rotor body (24) as the center, the second permanent magnets (9) are circumferentially uniformly distributed and arranged along the rotor body (24), and the S-pole region (21) and the N-pole region (22) are respectively formed between the two adjacent first permanent magnets (8) and the second permanent magnets (9).

6. The axial-radial mixed flux electric machine according to claim 5, wherein the positioning structure (7) comprises a plurality of strip-shaped grooves (71) which are uniformly distributed and circumferentially divergently arranged by taking the center of the rotor body (24) as the center, the extension lines of the strip-shaped grooves (71) extend to the circle center of the rotor body (24), an arc-shaped groove (72) is arranged between one ends of the two adjacent strip-shaped grooves (71) close to the circle center of the rotor body (24), and the arc-shaped grooves (72) are uniformly distributed in the circumferential direction to form an annular structure which is concentric with the circle center of the rotor body (24), the strip-shaped groove (71) and the arc-shaped groove (72) respectively penetrate through two end faces of the rotor body (24), the first permanent magnet (8) is arranged in the strip-shaped groove (71), the second permanent magnet (9) is arranged in the arc-shaped groove (72), and the first permanent magnet (8) and the second permanent magnet (9) are flush with the end face of the rotor body (24).

7. The axial-radial mixed flux motor according to claim 6, wherein one side of each of the first permanent magnet (8) and the second permanent magnet (9) has a uniform S-pole (25), the other side of each of the first permanent magnet (8) and the second permanent magnet (9) has an N-pole (26), an S-pole region (21) is formed between the S-pole (25) of the adjacent first permanent magnet (8) and the S-pole (25) of the adjacent second permanent magnet (9) respectively on the end face of the rotor body (24) and the circumferential outer side face of the rotor body (24), an N-pole region (22) is formed between the N-pole (26) of the adjacent first permanent magnet (8) and the N-pole (26) of the adjacent second permanent magnet (9) respectively on the end face of the rotor body (24) and the circumferential outer side face of the rotor body (24), and the S-pole region (21) and the N-pole region (22) have the same size and shape, the number of the S magnetic pole regions (21) and the number of the N magnetic pole regions (22) on the same end surface or the circumferential outer side surface of the rotor body (24) are the same and are even.

8. An axial-radial mixed flux machine according to claim 6, wherein the first permanent magnet (8) is located close to the inner magnetism isolating assembly (27) between the end of the centre of the rotor body (24) and the second permanent magnet (9).

9. The axial-radial mixed flux motor according to claim 8, wherein the inner magnetism-isolating assembly (27) comprises a plurality of strip-shaped isolating grooves (271) which penetrate through two end faces of the rotor body (24) and are circumferentially divergently arranged by taking a circle center of the rotor body (24) as a center, and the strip-shaped isolating grooves (271) are respectively positioned between two adjacent arc-shaped grooves (72) and are axially arranged along one end of the strip-shaped groove (71) close to the circle center of the rotor body (24).

10. The axial-radial mixed flux motor according to claim 4, wherein the motor housing (1) comprises a cylindrical motor base (11) having heat dissipating ribs (111) in the circumferential direction, the motor base (11) has two open ends and is connected with motor end covers (13) through motor mounting bolt assemblies (12) respectively so as to close the open ends of the motor base (11), one of the two motor end covers (13) is provided with a cooling liquid inlet (14) and a cooling liquid outlet (15), and the two motor end covers (13) have liquid guiding holes (16) respectively on the circumferential outer sides of the end surfaces of the two motor end covers (13) close to the motor base (11), the motor base (11) has a plurality of heat dissipating channels (17) axially penetrating through the motor base (11) in the circumferential direction, the liquid guiding holes (16) on the two motor end covers (13) are respectively communicated with each other through the heat dissipating channels (17), a plurality of bent radiating grooves (18) which are respectively communicated with the liquid guide holes (16) are also arranged on the end surface of one end of the motor end cover (13) far away from the motor base (11), and a cover body (19) which can seal the radiating grooves (18) is arranged on the end surface of one end of the motor end cover (13) far away from the motor base (11).

Images