CN218217071U - Radial and axial magnetic field motor - Google Patents
Radial and axial magnetic field motor Download PDFInfo
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- CN218217071U CN218217071U CN202221896773.9U CN202221896773U CN218217071U CN 218217071 U CN218217071 U CN 218217071U CN 202221896773 U CN202221896773 U CN 202221896773U CN 218217071 U CN218217071 U CN 218217071U
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Abstract
The application discloses a radial and axial magnetic field motor, which comprises a shell, a motor main body support frame fixedly arranged on the shell, an output shaft fixed in the motor main body support frame through a bearing, the output shaft sequentially and respectively penetrates through a first stator disc, a turntable and a second stator disc and penetrates out of a limited space of the shell, the radial stator disc is of an annular structure and is embedded and sleeved outside the turntable, an air gap is formed between the radial stator disc and the turntable, a stator coil is arranged on the radial stator disc, a rotor is arranged on the turntable, and the stator coil and the rotor are respectively and correspondingly arranged on the inner ring side wall of the radial stator disc and the outer ring side wall of the turntable; the axial magnetic field driving between the left rotary table and the right rotary table and between the first stator disc and the second stator disc is realized by arranging the left rotary table, the right rotary table and the rotary table of the rotary table main body, and the radial magnetic flux driving is realized by nesting the radial stator disc and the rotary table main body.
Description
Technical Field
The application relates to the field of motors, in particular to a radial and axial magnetic field motor.
Background
The motor consists of a stator and a rotor, the stator of the fixed part and the rotor of the rotating part form a common motor, but in fact, a higher requirement is put on the power density, namely the torque density, of the motor on an electric automobile or an airplane, and the implementation method of the high power density is divided into two methods: one is to increase the rotation speed; the other is to increase the torque density. However, increasing the rotational speed also entails a number of costs, such as excessive wind friction losses, lubrication and life problems for high-speed bearings, noise problems, etc., so that another way has to be investigated, namely increasing the torque density. There are also many ways to increase torque density: players like toyota prius, BMW, etc. are obtained by increasing the reluctance torque ratio. In another method, harmonic torque generated by harmonics of order 3 and 5 of the motor is also utilized by a harmonic injection method from the control side. The last way is to increase the magnetic field energy in unit volume, and the disc motor is a representative of the way. However, the above method for increasing the reluctance torque ratio increases the torque density of the motor, which requires precise current control techniques and corresponding sensing device techniques.
SUMMERY OF THE UTILITY MODEL
The application provides a radial and axial magnetic field motor, and radial magnetic flux has been added to this motor on disc motor's axial magnetic flux's basis, has further promoted the moment of torsion density of motor.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a footpath axial magnetic field motor, includes the casing, and fixed the setting is in motor main body support frame on the casing, the output shaft passes through the bearing to be fixed in the motor main body support frame, the output shaft passes first stator dish, carousel and second stator dish respectively in proper order and wears out the limited space of casing, radial stator dish is annular structure and the nested setting is in the carousel outside, radial stator dish with the air gap has between the carousel, be provided with stator coil on the radial stator dish, be provided with the rotor on the carousel, stator coil with the rotor corresponds the setting respectively and is in the inner circle lateral wall of radial stator dish with on the outer lane lateral wall of carousel. The carousel includes left side carousel, right side carousel and carousel main part, left side carousel and right side carousel are in through the fixed setting of bolt respectively on two sides of the left and right sides of carousel main part. The left rotating disc comprises three third yokes symmetrically arranged in the circumferential direction, the right rotating disc comprises three fourth yokes symmetrically arranged in the circumferential direction, the third yokes and the fourth yokes are both hollow yoke structures, the third yokes and the fourth yokes respectively form closed magnetic circuits with the armature, and electromagnetic coils are respectively arranged inside the third yokes and the fourth yokes.
Further, the motor main body support frame comprises a support plate, a support plate and four support rods, the support plate is provided with two support plates, the four support plates are fixed on four faces between the two support plates respectively, the support rods are fixedly arranged on the support plates, a stator support frame is fixed on the support rods, and radial stator plates are fixed through the stator support frame.
Further, the first stator disc and the second stator disc are respectively fixed on the left support disc and the right support disc through fixing screws, the first stator disc comprises three first yokes symmetrically arranged in the circumferential direction, the second stator disc comprises three second yokes symmetrically arranged in the circumferential direction, and the first yokes and the second yokes are both in a full-wrapped yoke structure; armatures are arranged in the first yoke iron and the second yoke iron, the first yoke iron and the second yoke iron and the armatures form a closed magnetic circuit respectively, and electromagnetic coils are arranged in the first yoke iron and the second yoke iron respectively.
Furthermore, the stator support frame has four and is fixed respectively and sets up on four the bracing pieces that the symmetry set up, the stator support frame includes support main part and clamping screw, clamping screw's both ends are fixed through the nut in on the support main part and pass the through-hole on the radial stator dish lateral wall with radial stator dish is fixed.
Furthermore, a plurality of coil placing holes are formed in the radial stator disc, a rotor groove is formed in the side wall of the outer end of the turntable main body, the rotor is fixedly arranged in the rotor groove, and the stator coil penetrates through the coil placing holes to correspond to the rotor in the rotor groove.
Advantageous effects
This application has realized the axial magnetic field drive between left side carousel, right side carousel and first stator dish, the second stator dish through having set up the carousel including left side carousel, right side carousel and carousel main part, has realized radial magnetic flux drive through the nested setting of radial stator dish with the carousel main part, has formed a radial axial magnetic force motor and has further improved torque density.
Drawings
FIG. 1 is a schematic view of the outside of the radial and axial magnetic field motor casing of the present invention;
fig. 2 is a first schematic diagram of the radial-axial magnetic field motor according to the present invention after the casing is removed (a supporting plate is removed for convenience of display);
fig. 3 is a schematic diagram of the inner part of the radial-axial magnetic field motor of the present invention after the casing is removed (a support plate is removed for convenience of display);
FIG. 4 is a first enlarged view of a portion of the radial-axial magnetic field motor of the present invention;
FIG. 5 is a schematic view of the radial stator disk and the turntable of the radial and axial magnetic field motor according to the present invention;
FIG. 6 is a second enlarged view of the radial and axial magnetic field motor of the present invention;
FIG. 7 is a third enlarged view of the radial and axial magnetic field motor of the present invention;
fig. 8 shows a fourth enlarged view of the radial and axial magnetic field motor of the present invention.
Detailed Description
The following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
As shown in fig. 1 to 8, a radial and axial magnetic field motor includes a housing 1, a motor main body support frame 2 fixedly disposed on the housing 1, an output shaft 6 fixed in the motor main body support frame 2 through a bearing, the output shaft 6 sequentially passing through a first stator disc 3, a turntable 4 and a second stator disc 5 and penetrating through a limited space of the housing 1, a radial stator disc 7 having a circular ring structure and nested outside the turntable 4, an air gap 8 being provided between the radial stator disc 7 and the turntable 4, a stator coil 701 disposed on the radial stator disc 7, a rotor 401 disposed on the turntable 4, and the stator coil 701 and the rotor 401 respectively disposed on an inner ring side wall of the radial stator disc 7 and an outer ring side wall of the turntable 4; the turntable 4 comprises a left turntable 402, a right turntable 403 and a turntable main body 404, wherein the left turntable 402 and the right turntable 403 are respectively fixedly arranged on the left side surface and the right side surface of the turntable main body 404 through bolts 405; the left rotating disk 402 comprises three third yokes 406 symmetrically arranged in the circumferential direction, the right rotating disk 403 comprises three fourth yokes 407 symmetrically arranged in the circumferential direction, the third yokes 406 and the fourth yokes 407 are both hollow yoke structures, the third yokes 406 and the fourth yokes 407 respectively form closed magnetic circuits with the armature, and electromagnetic coils are respectively arranged inside the third yokes 406 and the fourth yokes 407; the attracting force of the electromagnetic coil is enhanced by arranging the yoke iron, and the magnetic force lines generated by the electromagnetic coil are sealed inside, so that the efficiency of the electromagnet is improved.
This application is through the carousel that sets up left carousel 402, right carousel 403 and carousel main part 404, on the basis of disc motor's axial magnetic flux, radial magnetic flux has been added, the torque density of motor has further been promoted, axial magnetic field drive between left carousel 402, right carousel 403 and first stator dish 35, second stator dish 5 has been realized, radial magnetic flux drive has been realized through the nested setting of radial stator dish 7 with carousel main part 404, radial axial magnetic force motor has been formed and torque density has further been improved.
Further, the motor main body support frame 2 includes a support plate 201, two support plates 202 and support rods 203, the support plate 201 is provided with four, the support plates 202 are provided with two, the two support plates 202 are oppositely arranged, the four support plates 201 are respectively arranged on four faces between the two support plates 202, two ends of each support plate 201 are respectively fixed on the two support plates 202, the support rods 203 are fixedly arranged on the support plates 202, stator support frames 204 are fixed on the support rods 203, and radial stator plates 7 are fixed through the stator support frames 204. This application is convenient fixed radial stator dish 7 on bracing piece 203 through setting up stator support frame 204, does not influence the rotation of carousel promptly and makes stator dish 7 casing 1 fixed relatively the motor again.
Further, the first stator disc 3 and the second stator disc 5 are respectively fixed on the left and right support discs 202 through fixing screws 35, the first stator disc 3 includes three first yokes 301 symmetrically arranged in the circumferential direction, the second stator disc 5 includes three second yokes 501 symmetrically arranged in the circumferential direction, and the first yokes 301 and the second yokes 501 are all of a full-wrapped yoke structure. Armatures are arranged in the first yoke 301 and the second yoke 501, the first yoke 301 and the second yoke 501 and the armatures form a closed magnetic circuit respectively, and electromagnetic coils are arranged in the first yoke 301 and the second yoke 501 respectively.
Further, the stator support frame 204 has four and is respectively and fixedly disposed on the four symmetrically disposed support rods 203, the stator support frame 204 includes a support main body 205 and a fixing screw 206, two ends of the fixing screw 206 are fixed on the support main body 205 through nuts 207 and pass through holes on the side wall of the radial stator disc 7 to fix the radial stator disc 7; the fixation of the radial stator disc 7 with respect to the housing 1 of the electrical machine is achieved by fixing the fixing screw 206 to the bracket body 205 and passing the fixing screw 206 through the radial stator disc 7.
Further, a plurality of coil placement holes 702 are formed in the radial stator disk 7, a rotor slot 408 is formed in a side wall of an outer end of the rotor disk main body 404, the rotor 401 is fixedly disposed in the rotor slot 408, and the stator coil 701 passes through the coil placement holes 702 to correspond to the rotor 401 in the rotor slot 408. By providing the coil placement holes 702 in the inner ring of the radial stator disc 7 and the stator coils 701 corresponding to the rotor 401 on the outer ring of the rotor body 404, it is achieved that the rotor body 404, where the coils drive the rotor 401, rotates.
In the prior art, due to the method for improving the reluctance torque ratio, the torque density of the motor is improved by a technology in the aspect of accurate current control and a corresponding sensing equipment technology are complex, the disc type motor only utilizes an axial magnetic field to improve the magnetic energy density, the improvement of the torque density is limited, and on the basis of the prior art, the radial and axial magnetic field motor is provided, and the radial magnetic flux is added on the basis of the axial magnetic flux of the disc type motor, so that the torque density of the motor is further improved. Furthermore, the axial magnetic field driving between the left rotary table and the right rotary table and between the first stator disc and the second stator disc is realized by arranging the rotary tables comprising the left rotary table, the right rotary table and the rotary table main body, the radial magnetic flux driving is realized by nesting the radial stator discs and the rotary table main body, and the radial and axial magnetic motor is formed, so that the torque density is further improved.
The foregoing is illustrative of the best mode of the invention, and details not described herein are within the common general knowledge of a person of ordinary skill in the art. The protection scope of the present invention is subject to the content of the claims, and any equivalent transformation based on the technical teaching of the present invention is also within the protection scope of the present invention.
Claims (5)
1. A radial-axial magnetic field motor is characterized in that: the motor comprises a shell, a motor main body supporting frame fixedly arranged on the shell, an output shaft is fixed in the motor main body supporting frame through a bearing, the output shaft sequentially penetrates through a first stator disc, a rotary disc and a second stator disc respectively and penetrates out of a limited space of the shell, a radial stator disc is of an annular structure and is embedded and sleeved outside the rotary disc, an air gap is formed between the radial stator disc and the rotary disc, a stator coil is arranged on the radial stator disc, a rotor is arranged on the rotary disc, and the stator coil and the rotor are correspondingly arranged on the inner ring side wall of the radial stator disc and the outer ring side wall of the rotary disc respectively; the rotary table comprises a left rotary table, a right rotary table and a rotary table main body, wherein the left rotary table and the right rotary table are fixedly arranged on the left side surface and the right side surface of the rotary table main body respectively through bolts; the left rotating disc comprises three third yokes symmetrically arranged in the circumferential direction, the right rotating disc comprises three fourth yokes symmetrically arranged in the circumferential direction, the third yokes and the fourth yokes are both hollow yoke structures, the third yokes and the fourth yokes respectively form closed magnetic circuits with the armature, and electromagnetic coils are respectively arranged inside the third yokes and the fourth yokes.
2. A radial axial field electric machine according to claim 1, wherein: the motor main body support frame comprises a support plate, support plates and support rods, the support plate is provided with four support plates, the support plates are provided with two support plates and two support plates, the support plates are arranged oppositely, the support plates are arranged on four faces between the support plates respectively, two ends of each support plate are fixed on the two support plates respectively, the support rods are fixedly arranged on the support plates, a stator support frame is fixed on the support rods, and a radial stator plate passes through the stator support frame to be fixed.
3. A radial axial field electric machine according to claim 2, wherein: the first stator disc and the second stator disc are fixedly arranged on the left supporting disc and the right supporting disc respectively through fixing screws, the first stator disc comprises three first yokes symmetrically arranged in the circumferential direction, the second stator disc comprises three second yokes symmetrically arranged in the circumferential direction, and the first yokes and the second yokes are all of full-wrapped yoke structures;
armatures are arranged in the first yoke iron and the second yoke iron, the first yoke iron and the second yoke iron and the armatures form a closed magnetic circuit respectively, and electromagnetic coils are arranged in the first yoke iron and the second yoke iron respectively.
4. A radial axial field electric machine according to claim 3, wherein: the stator support frame is provided with four support rods which are respectively and fixedly arranged on the four support rods which are symmetrically arranged, the stator support frame comprises a support main body and fixing screws, and two ends of each fixing screw are fixed on the support main body through nuts and penetrate through holes in the side wall of the radial stator disc to fix the radial stator disc.
5. A radial axial field electric machine according to claim 1, wherein: the radial stator disc is provided with a plurality of coil placing holes, the side wall of the outer end of the main body of the rotary disc is provided with a rotor groove, the rotor is fixedly arranged in the rotor groove, and the stator coil penetrates through the coil placing holes to correspond to the rotor on the rotor groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221896773.9U CN218217071U (en) | 2022-07-22 | 2022-07-22 | Radial and axial magnetic field motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221896773.9U CN218217071U (en) | 2022-07-22 | 2022-07-22 | Radial and axial magnetic field motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218217071U true CN218217071U (en) | 2023-01-03 |
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ID=84652134
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221896773.9U Active CN218217071U (en) | 2022-07-22 | 2022-07-22 | Radial and axial magnetic field motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218217071U (en) |
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2022
- 2022-07-22 CN CN202221896773.9U patent/CN218217071U/en active Active
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