CN210898682U - Energy-saving motor rotor - Google Patents
Energy-saving motor rotor Download PDFInfo
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- CN210898682U CN210898682U CN201922484361.9U CN201922484361U CN210898682U CN 210898682 U CN210898682 U CN 210898682U CN 201922484361 U CN201922484361 U CN 201922484361U CN 210898682 U CN210898682 U CN 210898682U
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Abstract
The utility model discloses an energy-conserving electric motor rotor mainly comprises a rotor main part and a plurality of rotor magnetic poles of locating the rotor main part periphery wall, and the rotor magnetic pole comprises a rotor core and the solenoid of coiling on rotor core, and rotor core can dismantle with rotor main part lateral wall and be connected, and rotor main part central part is equipped with a main shaft, axial and rotor main part fixed connection are followed to the main shaft, and the central axis coincidence of its central axis and rotor main part. The energy-saving motor rotor is formed by splicing a rotor main body and a plurality of rotor magnetic poles, and the rotor magnetic poles are detachably connected with the rotor main body. The output power of the motor can be adjusted by increasing or decreasing the number of the rotor magnetic poles in practical use. The output power of the motor is increased when the number of the rotor magnetic poles is increased, and the output power of the motor can be reduced when the number of the rotor magnetic poles is reduced. The energy-saving motor rotor has high energy-saving efficiency, and can be applied to a sine wave alternating current motor and a pulse square wave direct current motor.
Description
Technical Field
The utility model relates to a motor, in particular to energy-conserving electric motor rotor.
Background
An electric Motor (Motor) is a device that converts electrical energy into mechanical energy. The electromagnetic power generator utilizes an electrified coil (namely a stator winding) to generate a rotating magnetic field and acts on a rotor (such as a squirrel-cage closed aluminum frame) to form magnetoelectric power rotating torque. The motors are divided into direct current motors and alternating current motors according to different power supplies, most of the motors in the power system are alternating current motors, and can be synchronous motors or asynchronous motors (the rotating speed of a stator magnetic field of the motor is different from the rotating speed of a rotor to keep synchronous speed). The motor mainly comprises a stator and a rotor, and the direction of the forced movement of the electrified conducting wire in a magnetic field is related to the current direction and the direction of a magnetic induction line (magnetic field direction). The working principle of the motor is that the magnetic field exerts force on current to rotate the motor.
The rotor of the former motor is fixed and invariable, and after the coil is wound on the rotor, the working parameters of the motor such as voltage, current and power can not change.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an energy-conserving electric motor rotor.
According to the utility model discloses an aspect provides an energy-conserving electric motor rotor, mainly comprises a rotor main part and a plurality of rotor magnetic poles of locating the rotor main part periphery wall, and the rotor magnetic pole comprises a rotor core and the solenoid of coiling on rotor core, and rotor core can dismantle with rotor main part lateral wall and be connected, and rotor main part central part is equipped with a main shaft, and axial and rotor main part fixed connection are followed to the main shaft, and its central axis coincides with rotor main part's the central axis.
The energy-saving motor rotor adopting the technical scheme is formed by splicing a rotor main body and a plurality of rotor magnetic poles, and the rotor magnetic poles are detachably connected with the rotor main body. The output power of the motor can be adjusted by increasing or decreasing the number of the rotor magnetic poles in practical use. The output power of the motor is increased when the number of the rotor magnetic poles is increased, and the output power of the motor can be reduced when the number of the rotor magnetic poles is reduced. The energy-saving motor rotor has high energy-saving efficiency, and can be applied to a sine wave alternating current motor and a pulse square wave direct current motor.
Further, rotor core passes through mortise and tenon structure interference fit with rotor body lateral wall and is connected. Therefore, the rotor core and the rotor main body can be firmly connected, and the rotor core can be detached and installed when necessary.
Further, the rotor cores are evenly distributed along the circumference of the outer side wall of the rotor body. Thereby making the rotor rotation more stable.
Further, the rotor core is fixedly connected with the rotor body along the direction of the central axis of the rotor body. Therefore, the centrifugal force of the rotor core can be completely overcome by utilizing the mortise and tenon structure when the rotor rotates, and the rotor magnetic pole and the rotor main body are connected more firmly.
Specifically, the rotor main part is cylindrical, and its lateral wall is equipped with wedge-shaped tongue-and-groove, and the extending direction of tongue-and-groove is parallel with the central axis of rotor main part, and the tongue-and-groove is along rotor main part lateral wall circumference evenly distributed. Therefore, the rotor rotates more stably, and vibration and noise generated when the motor operates can be reduced.
Specifically, the inner side of the rotor core is provided with a dovetail-shaped tenon strip, and the tenon strip is in interference fit with the mortise.
Preferably, the rotor core has a main part that is used for coiling solenoid, and main part inboard one end is the tenon strip, and main part outside one end has a guard portion, and the guard portion is the arc, and its both ends extend to the main part both sides respectively. The protective part can protect the wound electromagnetic coil on the main body part.
Further, the height of the rotor core is the same as the height of the rotor body.
Preferably, the number of the rotor poles mounted on the rotor body is even and equal to or greater than four.
Preferably, the rotor body is ferromagnetic.
Drawings
Fig. 1 is a schematic structural diagram of an energy-saving motor rotor according to an embodiment of the present invention.
Fig. 2 is an assembly view of the rotor of the energy saving motor shown in fig. 1.
Fig. 3 is a schematic view showing a fitting relationship between the rotor core and the rotor body shown in fig. 2.
Fig. 4 is an assembly view of the rotor core shown in fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 to 4 schematically show an energy-saving motor rotor according to an embodiment of the present invention.
As shown in the figure, the device mainly comprises a rotor body 1 and a plurality of rotor magnetic poles arranged on the outer peripheral wall of the rotor body 1.
The rotor magnetic pole is composed of a rotor core 2 and an electromagnetic coil (not shown) wound around the rotor core 2. Since winding the electromagnetic coil on the iron core is a conventional technique in the field of manufacturing and maintaining the motor, a practitioner who is engaged in the manufacturing and maintaining work of the motor can wind the required electromagnetic coil according to the actual requirement, and may adjust the parameters such as the number of turns of the wound electromagnetic coil due to the adjustment of the rated voltage or the rated power of the motor. In the present embodiment, therefore, by default, a person skilled in the art can design the required electromagnetic coils as required and wind them on the rotor core 2 by hand or machine to form the rotor poles. In view of the above, the electromagnetic coils on the rotor core 2 are not shown in the drawings of the present embodiment, in combination with the simple principle for convenience of description.
A main shaft 3 is provided in the center of the rotor body 1.
The main shaft 3 is fixedly connected with the rotor body 1 along the axial direction, and the central axis of the main shaft coincides with the central axis of the rotor body 1.
Further, rotor core 2 is connected through mortise and tenon joint structure interference fit with 1 lateral wall of rotor main part. This ensures strong connection between rotor core 2 and rotor body 1, and rotor core 2 can be removed and mounted as necessary.
The rotor cores 2 are generally evenly distributed along the circumference of the outer side wall of the rotor body 1. Thereby making the rotor rotation more stable.
The rotor core 2 is fixedly connected to the rotor body 1 generally in the direction of the central axis of the rotor body 1. Therefore, the centrifugal force of the rotor core 2 can be completely overcome by utilizing the mortise and tenon structure when the rotor rotates, and the rotor magnetic pole and the rotor main body 1 are connected more firmly.
In the present embodiment the rotor body 1 is cylindrical and its outer side wall is provided with a wedge-shaped mortise 11.
The extending direction of the mortises 11 is parallel to the central axis of the rotor body 1, and the mortises 11 are evenly distributed along the circumference of the outer side wall of the rotor body 1. Therefore, the rotor rotates more stably, and vibration and noise generated when the motor operates can be reduced.
And the inner side of the rotor core 2 is provided with a dovetail tenon strip 2 b. The tenon strip 2b is in interference fit with the mortise 11.
Specifically, the rotor core 2 has a main body portion 2a for winding the electromagnetic coil.
The main body 2a has a tenon 2b at one end on the inner side thereof and a protection portion 2c at one end on the outer side thereof.
The protection portion 2c is an arc-shaped member, and both ends thereof extend to both sides of the main body portion 2a, respectively.
The protection portion 2c can protect the wound electromagnetic coil on the main body portion 2 a.
In the present embodiment, the height of the rotor core 2 is the same as the height of the rotor body 1.
In the present embodiment, the rotor body 1 is ferromagnetic and has twelve rotor poles mounted thereon.
In other embodiments, the number of rotor poles attached to the rotor body 1 is an even number equal to or greater than four, such as four, six, eight, ten, or fourteen.
The energy-saving motor rotor adopting the technical scheme is formed by splicing a rotor main body and a plurality of rotor magnetic poles, and the rotor magnetic poles are detachably connected with the rotor main body. The output power of the motor can be adjusted by increasing or decreasing the number of the rotor magnetic poles in practical use. The output power of the motor is increased when the number of the rotor magnetic poles is increased, and the output power of the motor can be reduced when the number of the rotor magnetic poles is reduced. The energy-saving motor rotor has high energy-saving efficiency, and can be applied to a sine wave alternating current motor and a pulse square wave direct current motor.
What has been described above are only some embodiments of the invention. For those skilled in the art, without departing from the inventive concept, several modifications and improvements can be made, which are within the scope of the invention.
Claims (10)
1. The utility model provides an energy-conserving electric motor rotor, its characterized in that mainly by a rotor main part and locate a plurality of rotor magnetic poles of rotor main part periphery wall constitute, the rotor magnetic pole is in by a rotor core and coiling solenoid on the rotor core constitutes, rotor core with the connection can be dismantled to rotor main part lateral wall, rotor main part central part is equipped with a main shaft, the main shaft along the axial with rotor main part fixed connection, and its central axis with the coincidence of rotor main part's the central axis.
2. The energy-saving motor rotor as claimed in claim 1, wherein the rotor core is connected with the outer side wall of the rotor body through an interference fit of a mortise and tenon joint structure.
3. The energy efficient electric motor rotor of claim 2, wherein said rotor cores are evenly distributed along a circumference of said rotor body outer side wall.
4. The energy efficient electric motor rotor of claim 3, wherein the rotor core is fixedly connected to the rotor body in a direction of the central axis of the rotor body.
5. The energy-saving motor rotor as claimed in any one of claims 1 to 4, wherein the rotor body is cylindrical, and the outer side wall of the rotor body is provided with wedge-shaped mortises, the extending direction of the mortises is parallel to the central axis of the rotor body, and the mortises are uniformly distributed along the circumference of the outer side wall of the rotor body.
6. The energy-saving motor rotor as claimed in claim 5, wherein dovetail-shaped tenon strips are arranged inside the rotor core, and the tenon strips are in interference fit with the mortise.
7. The energy-saving motor rotor as claimed in claim 6, wherein the rotor core has a main body for winding the electromagnetic coil, the tenon is formed at one end of the inner side of the main body, the protection portion is formed at one end of the outer side of the main body, the protection portion is an arc-shaped member, and two ends of the protection portion extend to two sides of the main body respectively.
8. The energy efficient electric motor rotor of claim 1, wherein the height of the rotor core is the same as the height of the rotor body.
9. The rotor of an energy-saving motor according to claim 1, wherein the number of the rotor poles mounted on the rotor body is even and four or more.
10. The energy efficient electric motor rotor of claim 1, wherein the rotor body is ferromagnetic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484361.9U CN210898682U (en) | 2019-12-31 | 2019-12-31 | Energy-saving motor rotor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922484361.9U CN210898682U (en) | 2019-12-31 | 2019-12-31 | Energy-saving motor rotor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210898682U true CN210898682U (en) | 2020-06-30 |
Family
ID=71321475
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922484361.9U Active CN210898682U (en) | 2019-12-31 | 2019-12-31 | Energy-saving motor rotor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210898682U (en) |
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2019
- 2019-12-31 CN CN201922484361.9U patent/CN210898682U/en active Active
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