CN215835304U - Efficient stable mute claw-pole permanent magnet synchronous motor - Google Patents
Efficient stable mute claw-pole permanent magnet synchronous motor Download PDFInfo
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- CN215835304U CN215835304U CN202121974838.2U CN202121974838U CN215835304U CN 215835304 U CN215835304 U CN 215835304U CN 202121974838 U CN202121974838 U CN 202121974838U CN 215835304 U CN215835304 U CN 215835304U
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Abstract
A high-efficiency stable mute claw-pole type permanent magnet synchronous motor comprises a support positioned on the motor, wherein a mould is arranged on the support to punch and invert the formed claw to form an upper claw, and the width and radian of each upper claw are the same; and/or the shell is provided with a polar claw which is formed by punching and inward turning of a die to form a lower polar claw; the width, radian and height of each lower polar claw are the same, the included angle between every two adjacent polar claws is 45 degrees, an elastic part is arranged on the rotor tooth head, and the rotor tooth head is pressed in the assembling process by the elastic part. Through the arrangement mode of the polar claws, the motor efficiency is obviously improved, the idle work loss is reduced, and the temperature rise of the motor is reduced through tests; meanwhile, the motor runs more stably and quietly, and no dead point exists during starting; the elastic part is combined by the planar spring and the cylindrical spring, so that the process can be simplified, the process of adding a gasket on the traditional spring and the rotor tooth head is eliminated, and the axial float noise caused by the stress of the rotor is effectively reduced.
Description
Technical Field
The utility model relates to a motor, in particular to a high-efficiency stable mute claw-pole type permanent magnet synchronous motor.
Background
Claw utmost point formula synchronous machine includes support and last claw, and traditional support is split type setting with last claw, goes up claw independent molding and then with the support riveting, and the magnetic conduction is inefficient, and the noise that the motor during operation produced is big.
The claw-pole synchronous motor further comprises a rotor, the rotor comprises a rotor tooth head, a spring is arranged on the rotor tooth head, a gasket is arranged between the spring and the rotor tooth head, abnormal sound is generated during the working of the motor, and the noise is high.
And thus, is in need of further improvement.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an efficient, stable and silent claw-pole permanent magnet synchronous motor which has the characteristics of high magnetic conduction efficiency, more stability in starting of the motor, less noise (quieter) generation, simpler assembly process and the like so as to overcome the defects in the prior art.
The efficient, stable and mute claw-pole permanent magnet synchronous motor designed according to the purpose comprises a support positioned on a shell, wherein the support is provided with a plurality of first openings, each first opening is provided with an upper claw, and the width and radian of each upper claw are the same; and/or a plurality of second openings are arranged on the shell, and a lower polar claw is arranged on each second opening; the width, radian and height of each lower pole claw are the same.
The upper pole claw is integrally formed along with the support, so that the magnetic conduction of the pole claw is effectively improved.
The included angle between two adjacent upper polar claws is 45 degrees +/-5 degrees, and preferably 45 degrees.
The included angle between two adjacent lower polar claws is 45 degrees +/-5 degrees, and preferably 45 degrees.
The included angle between two adjacent polar claws is 45 degrees, thereby reducing the loss of idle work and reducing the temperature rise of the motor; meanwhile, the motor runs more stably and quietly, and no dead point exists during starting.
The upper pole claw comprises a first upper pole claw group, a second upper pole claw group, a third upper pole claw group and a fourth upper pole claw group, and the first upper pole claw group and the second upper pole claw group are arranged in a front-back or left-right symmetrical mode. The heights of the polar claws of the first upper polar claw group and the second upper polar claw group are the same; the third upper pole claw group and the fourth upper pole claw group are arranged in a front-back or left-right symmetrical mode, and the pole claws of the third upper pole claw group and the fourth upper pole claw group are the same in height.
In order to further reduce the loss of idle work and reduce the temperature rise of the motor; meanwhile, the motor runs more stably and quietly, no dead point exists during starting, and the heights of the polar claws of the first upper polar claw group and the second upper polar claw group respectively form height differences with the heights of the polar claws of the third upper polar claw group and the fourth upper polar claw group.
The heights of the polar claws of the first upper polar claw group and the second upper polar claw group are less than the heights of the polar claws of the third upper polar claw group and the fourth upper polar claw group.
The efficient stable mute claw-pole permanent magnet synchronous motor further comprises a stator, a rotor and a stator framework located on the shell, wherein the stator is coated with the rotor, the stator framework is provided with a containing cavity for coating a stator of an upper claw and a lower claw, the upper claws and the lower claws of a plurality of are arranged in a staggered manner, the upper claws are located between two adjacent lower claws in the assembling process, and the intersecting angle of the upper claws and the central line of the adjacent lower claws is 45 degrees.
The upper pole claws and the lower pole claws are arranged around the outer side of the stator respectively, the upper pole claws and the lower pole claws are contacted with the inner wall of the accommodating cavity respectively, and the stator winding induces the pole claws to generate a magnetic field.
The rotor comprises a rotor shaft and a rotor tooth head arranged on the rotor shaft, an elastic part is arranged on the rotor tooth head, the rotor tooth head is pressed in the assembling process of the elastic part, and the elastic part comprises a plane spring for pressing the rotor tooth head.
The efficient stable mute claw-pole permanent magnet synchronous motor further comprises a face cover covering the inner cavity of the shell in the assembling process, the elastic part further comprises a cylindrical spring, and one end of the cylindrical spring is close to the lower portion of the face cover.
The elastic part is combined by the planar spring and the cylindrical spring, so that the process can be simplified, the process of adding a gasket on the traditional spring and the rotor tooth head is eliminated, and the axial float noise caused by the stress of the rotor is effectively reduced.
The cylindrical spring and the plane spring are arranged into a whole, and the other end of the cylindrical spring is connected with the plane spring.
The utility model has the following beneficial effects:
through the arrangement mode of the polar claws, through tests, the efficiency of the motor is obviously improved, the loss of idle work is reduced, and the temperature rise of the motor is reduced; meanwhile, the motor runs more stably and quietly, and no dead point exists during starting.
The elastic part is combined by the planar spring and the cylindrical spring, so that the process can be simplified, the process of adding a gasket on the traditional spring and the rotor tooth head is eliminated, and the axial float noise caused by the stress of the rotor is effectively reduced.
Drawings
Fig. 1 is a schematic perspective view of a motor according to an embodiment of the present invention.
Fig. 2 is an exploded view of the motor cover and the housing according to an embodiment of the present invention.
Fig. 3 is a schematic cross-sectional structure diagram of a motor according to an embodiment of the present invention.
Fig. 4 is an enlarged view of a portion a in fig. 3.
Fig. 5 is a schematic perspective sectional view of a motor according to an embodiment of the present invention (with a hidden stator portion).
Fig. 6 is an enlarged view of fig. 5 at B.
Fig. 7 is an exploded view of the motor according to an embodiment of the present invention.
Fig. 8 is a schematic perspective view of a housing according to an embodiment of the utility model.
Fig. 9 is a schematic perspective view of a bracket according to an embodiment of the utility model.
Detailed Description
The utility model is further described with reference to the following figures and examples.
Referring to fig. 1-9, a high-efficiency stable mute claw-pole type permanent magnet synchronous motor comprises a support 2 positioned on a casing 1, wherein the support 2 is provided with a plurality of first openings 3, each first opening 3 is provided with an upper claw 4, and the width and radian of each upper claw 4 are the same; and/or a plurality of second openings 5 are arranged on the machine shell 1, and a lower pole claw 6 is arranged on each second opening 5; the width, radian and height of each lower pole claw 6 are the same.
The included angle between two adjacent upper polar claws is 45 degrees +/-5 degrees, and preferably 45 degrees.
The included angle between two adjacent lower polar claws is 45 degrees +/-5 degrees, and preferably 45 degrees.
Referring to fig. 9, the upper pole claw 4 includes a first upper pole claw group 4.1, a second upper pole claw group 4.2, a third upper pole claw group 4.3 and a fourth upper pole claw group 4.4, and the first upper pole claw group 4.1 and the second upper pole claw group 4.2 are symmetrically arranged. The heights of the polar claws of the first upper polar claw group 4.1 and the second upper polar claw group 4.2 are the same; the third upper polar claw group 4.3 and the fourth upper polar claw group 4.4 are symmetrically arranged, and the heights of the polar claws of the third upper polar claw group 4.3 and the fourth upper polar claw group 4.4 are the same; the heights of the polar claws of the first upper polar claw group 4.1 and the second upper polar claw group 4.2 form height differences with the heights of the polar claws of the third upper polar claw group 4.3 and the fourth upper polar claw group 4.4 respectively.
In this embodiment, eight lower claws 6 are arranged on the casing 1, and an included angle between two adjacent lower claws 6 is 45 °.
In this embodiment, eight upper claws 4 are arranged on the bracket 2, and the included angle between two adjacent upper claws 4 is 45 °. The first upper pole claw group 4.1, the second upper pole claw group 4.2, the third upper pole claw group 4.3 and the fourth upper pole claw group 4.4 are all composed of two upper pole claws.
Referring to fig. 9, the heights of the first upper claw group 4.1 and the second upper claw group 4.2 are smaller than the heights of the third upper claw group 4.3 and the fourth upper claw group 4.4.
Referring to fig. 5-7, the high-efficient steady silence claw utmost point formula PMSM, still include stator 8, rotor 9, and be located stator skeleton 7 on casing 1, stator 8 cladding rotor 9, be equipped with the holding chamber 10 of stator 8 of cladding last claw 4, lower claw 6 on stator skeleton 7, a plurality of is gone up claw 4, lower claw 6 encircles the stator 8 outside setting respectively, claw 4 and a plurality of lower claw 6 are upper and lower staggered arrangement about a plurality of, it is located between two adjacent lower claw 6 to go up claw 4 in ann in-process, it is 45 with the two central lines crossing angle of its adjacent lower claw 6 to go up claw 4.
Referring to fig. 5-7, the upper pole claw 4 and the lower pole claw 6 are respectively in contact with the inner wall of the accommodating cavity 10.
Referring to fig. 2-6, the rotor 9 includes a rotor shaft 11, a rotor tooth head 12 disposed on the rotor shaft 11, an elastic member 13 disposed on the rotor tooth head 12, the elastic member 13 pressing the rotor tooth head 12 during assembly, the elastic member 13 including a flat spring 14 pressing the rotor tooth head 12.
High-efficient steady silence claw utmost point formula PMSM still includes the face lid 15 that covers the casing 1 inner chamber in the assembling process, and elastic component 13 still includes cylindrical spring 16, and cylindrical spring 16 one end is close to face lid 15 below.
The cylindrical spring 16 is provided integrally with the flat spring 14, and the other end of the cylindrical spring 16 is connected to the flat spring 14.
Referring to fig. 7, the efficient, stable and silent claw-pole permanent magnet synchronous motor further comprises a protective cover arranged on the casing 1, wherein the casing 1 is provided with mounting grooves, and two sides of the protective cover are clamped on the mounting grooves.
In this embodiment, the casing 1 is provided with a connecting shaft inserted into the rotor shaft 11, and the cylindrical spring 16 is fitted over a portion of the connecting shaft penetrating through the rotor bit 12.
In this embodiment, the stator frame 7 is provided with a limiting step, and the bracket 2 is limited and mounted on the limiting step in the assembling process.
The foregoing is a preferred embodiment of the present invention, and the basic principles, principal features and advantages of the utility model are shown and described. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are intended to illustrate the principles of the utility model, but that various changes and modifications may be made without departing from the spirit and scope of the utility model, and the utility model is intended to be protected by the following claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a high-efficient steady silence claw utmost point formula PMSM, includes support (2) that are located casing (1), its characterized in that: a plurality of first openings (3) are arranged on the bracket (2), an upper polar claw (4) is arranged on each first opening (3), and the width and radian of each upper polar claw (4) are the same; and/or a plurality of second openings (5) are arranged on the machine shell (1), and a lower polar claw (6) is arranged on each second opening (5); the width, radian and height of each lower pole claw (6) are the same.
2. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 1, characterized in that: the included angle between two adjacent upper polar claws (4) is 45 degrees +/-5 degrees.
3. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 1, characterized in that: the included angle between two adjacent lower polar claws (6) is 45 degrees +/-5 degrees.
4. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 1 or 2, characterized in that: go up utmost point claw (4) and include first utmost point claw group (4.1), second and go up utmost point claw group (4.2), third and go up utmost point claw group (4.3) and fourth and go up utmost point claw group (4.4), first utmost point claw group (4.1), second are gone up utmost point claw group (4.2) and are the symmetry setting. The heights of the polar claws of the first upper polar claw group (4.1) and the second upper polar claw group (4.2) are the same; the third upper polar claw group (4.3) and the fourth upper polar claw group (4.4) are symmetrically arranged, and the heights of the polar claws of the third upper polar claw group (4.3) and the fourth upper polar claw group (4.4) are the same; the heights of the polar claws of the first upper polar claw group (4.1) and the second upper polar claw group (4.2) form height differences with the heights of the polar claws of the third upper polar claw group (4.3) and the fourth upper polar claw group (4.4).
5. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 4, characterized in that: the heights of the first upper polar claw group (4.1) and the second upper polar claw group (4.2) are less than the heights of the third upper polar claw group (4.3) and the fourth upper polar claw group (4.4).
6. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 1, characterized in that: still include stator (8), rotor (9), and be located stator skeleton (7) on casing (1), stator (8) cladding rotor (9), be equipped with pole claw (4) on the cladding on stator skeleton (7), holding chamber (10) of stator (8) of pole claw (6) down, pole claw (4) are gone up to a plurality of, pole claw (6) are encircleed stator (8) outside setting respectively down, pole claw (4) are the dislocation distribution setting from top to bottom under a plurality of and under a plurality of, it is located between adjacent two pole claw (6) at ann in-process to go up pole claw (4), it is 45 rather than the crossing angle of two central lines of adjacent lower pole claw (6) to go up pole claw (4).
7. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 6, characterized in that: the upper pole claw (4) and the lower pole claw (6) are respectively contacted with the inner wall of the accommodating cavity (10).
8. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 6, characterized in that: the rotor (9) comprises a rotor shaft (11) and a rotor tooth head (12) arranged on the rotor shaft (11), an elastic piece (13) is arranged on the rotor tooth head (12), the rotor tooth head (12) is pressed in the assembling process of the elastic piece (13), and the elastic piece (13) comprises a plane spring (14) pressing the rotor tooth head (12).
9. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 8, characterized in that: the elastic piece (13) further comprises a surface cover (15) and a cylindrical spring (16), the surface cover (15) covers the inner cavity of the shell (1), and one end of the cylindrical spring (16) is close to the lower portion of the surface cover (15).
10. The efficient smooth mute claw-pole type permanent magnet synchronous motor according to claim 9, characterized in that: the cylindrical spring (16) and the plane spring (14) are arranged into a whole, and the other end of the cylindrical spring (16) is connected with the plane spring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974838.2U CN215835304U (en) | 2021-08-20 | 2021-08-20 | Efficient stable mute claw-pole permanent magnet synchronous motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121974838.2U CN215835304U (en) | 2021-08-20 | 2021-08-20 | Efficient stable mute claw-pole permanent magnet synchronous motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215835304U true CN215835304U (en) | 2022-02-15 |
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ID=80195860
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121974838.2U Active CN215835304U (en) | 2021-08-20 | 2021-08-20 | Efficient stable mute claw-pole permanent magnet synchronous motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215835304U (en) |
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2021
- 2021-08-20 CN CN202121974838.2U patent/CN215835304U/en active Active
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