阅读说明：本技术 一种分体式旋转电机 (Split type rotating electrical machine ) 是由 周继军 于 2019-09-20 设计创作，主要内容包括：本发明公开了一种分体式旋转电机,包括固定部分和与其可分体的转动部分,其中,固定部分至少包括非磁性基座和固定在该基座上的定子；转动部分至少包括非磁性转盘罩和设置在该转盘罩上的转子,转盘罩与基座具有卡合结构,卡合时,转子可自由转动；转盘罩与基座卡合时,转子上的第二磁环与定子上的第一磁环为上下分布的同心同径磁环；转子上的恒磁体和定子上的恒磁体之间存在磁性吸力使其紧密固定；当导线中流经电流时,产生洛伦茨力进而使转子受力转动,电流控制器控制每根导线中的交变电流使转子旋转。(The invention discloses a split type rotating motor, which comprises a fixed part and a rotating part which can be separated from the fixed part, wherein the fixed part at least comprises a non-magnetic base and a stator fixed on the base; the rotating part at least comprises a non-magnetic turntable cover and a rotor arranged on the turntable cover, the turntable cover and the base have a clamping structure, and the rotor can freely rotate when clamped; when the turntable cover is clamped with the base, the second magnetic ring on the rotor and the first magnetic ring on the stator are concentric same-diameter magnetic rings which are distributed up and down; magnetic attraction exists between the permanent magnet on the rotor and the permanent magnet on the stator to enable the permanent magnet to be tightly fixed; when current flows through the wires, Lorenz force is generated to enable the rotor to rotate under stress, and the current controller controls alternating current in each wire to enable the rotor to rotate.)

1. A split type rotating electrical machine is characterized by comprising a fixed part and a rotating part which can be separated from the fixed part, wherein the fixed part at least comprises a non-magnetic base and a stator fixed on the base; the rotating part at least comprises a non-magnetic turntable cover and a rotor arranged on the turntable cover, the turntable cover and the base have a clamping structure, and the rotor can freely rotate during clamping;

the stator is provided with at least one first magnetic ring with a circular structure, the first magnetic ring is formed by embedding a plurality of permanent magnets at intervals, and the directions of magnetic poles of the adjacent permanent magnets are opposite; each permanent magnet is fixedly provided with at least one lead, the lead is connected with a current controller, and the current controller is used for controlling the lead to generate alternating current;

the rotor is provided with at least one second magnetic ring with a circular structure, the second magnetic ring is formed by embedding a plurality of permanent magnets at intervals, and the directions of magnetic poles of the adjacent permanent magnets are opposite;

when the turntable cover is clamped with the base, the second magnetic ring on the rotor and the first magnetic ring on the stator are concentric same-diameter magnetic rings which are distributed up and down; a magnetic attraction force exists between the permanent magnet on the rotor and the permanent magnet on the stator to enable the permanent magnet to be tightly fixed; when current flows through the wires, Lorenz force is generated to enable the rotor to be stressed and rotated, and the current controller controls alternating current in each wire to enable the rotor to rotate.

2. The split type rotating electrical machine according to claim 1, wherein the current controller generates alternating currents of different frequencies, magnitudes, directions and shapes according to application requirements.

3. The split type rotating electrical machine according to claim 1 or 2, wherein the directions of the currents generated by the wires on the adjacent constant magnets are opposite.

4. The split type rotating electrical machine according to claim 3, wherein the wires of the adjacent permanent magnets are integrally formed into coils, the coils are fixedly arranged on the adjacent permanent magnets, and the directions of currents generated in the coils are opposite when the currents flow through the adjacent permanent magnets.

5. The split type rotating electrical machine according to claim 4, wherein the constant magnet has a trapezoidal cross section.

6. The split type rotating electrical machine according to claim 4, wherein the number of the coils is the same as the number of the constant magnets distributed on the stator.

7. The split type rotating electrical machine according to claim 4, wherein the number of the coils is half the same as the number of the constant magnets distributed on the stator.

8. The split type rotating electric machine according to claim 4, wherein a set of coils is fixedly provided for each of the constant magnets and its adjacent constant magnet on the stator.

9. The split rotating electrical machine according to claim 4, wherein the geometry of the coil is trapezoidal.

10. The split rotating electrical machine according to claim 4, wherein the turntable cover is provided with a rotatable bearing, and the bearing is disposed through a center of the rotor.

Technical Field

The invention relates to the technical field of motors, in particular to a split type rotating motor which can be applied to products such as a wall breaking food processor, a juice extractor, a soybean milk machine, an ice cream machine, a food processor, a grinder and the like.

Background

Disclosure of Invention

In view of the above, it is necessary to provide a split type rotating electrical machine, in which a magnetic attraction structure is adopted between a rotor and a stator, so that the rotor and the stator do not need to be assembled together; meanwhile, alternating current generated in the coil generates Lorenz force as driving force, so that the structure is greatly simplified, a connector is not needed in application, and noise can be effectively reduced.

In order to solve the technical problems in the prior art, the technical scheme of the invention is as follows:

a split type rotating electrical machine comprises a fixed part and a rotating part which can be split with the fixed part, wherein the fixed part at least comprises a non-magnetic base and a stator fixed on the base; the rotating part at least comprises a non-magnetic turntable cover and a rotor arranged on the turntable cover, the turntable cover and the base have a clamping structure, and the rotor can freely rotate during clamping;

the stator is provided with at least one first magnetic ring with a circular structure, the first magnetic ring is formed by embedding a plurality of permanent magnets at intervals, and the directions of magnetic poles of the adjacent permanent magnets are opposite; each permanent magnet is fixedly provided with at least one lead, the lead is connected with a current controller, and the current controller is used for controlling the lead to generate alternating current;

the rotor is provided with at least one second magnetic ring with a circular structure, the second magnetic ring is formed by embedding a plurality of permanent magnets at intervals, and the directions of magnetic poles of the adjacent permanent magnets are opposite;

when the turntable cover is clamped with the base, the second magnetic ring on the rotor and the first magnetic ring on the stator are concentric same-diameter magnetic rings which are distributed up and down; a magnetic attraction force exists between the permanent magnet on the rotor and the permanent magnet on the stator to enable the permanent magnet to be tightly fixed; when current flows through the wires, Lorenz force is generated to enable the rotor to be stressed and rotated, and the current controller controls alternating current in each wire to enable the rotor to rotate.

As a further improvement, the current controller generates alternating currents with different frequencies, sizes, directions and shapes according to application requirements.

As a further improvement, the current generated by the wires on adjacent permanent magnets is in opposite directions.

As a further improvement scheme, the leads on the adjacent constant magnetic bodies are integrated into a coil, the coil is fixedly arranged on the adjacent constant magnetic bodies, and the directions of the currents generated in the coil are opposite when the currents flow through the adjacent constant magnetic bodies.

As a further improvement, the section of the constant magnet body is trapezoidal.

As a further improvement, the number of the coils is the same as that of the constant magnets distributed on the stator.

As a further improvement, the number of the coils is half of the number of the constant magnets distributed on the stator.

As a further improvement scheme, each constant magnet and the adjacent constant magnet on the stator are fixedly provided with a group of coils.

As a further improvement, the geometry of the coil is trapezoidal.

As a further improvement scheme, the turntable cover is provided with a rotatable bearing, and the bearing penetrates through the circle center of the rotor.

Compared with the prior art, the rotor and the stator of the invention both adopt constant magnetic materials, and a magnetic attraction structure is adopted between the rotor and the stator, so that the rotor and the stator are not required to be assembled together; meanwhile, alternating current generated in the coil generates Lorenz force as driving force, so that the structure is greatly simplified, a connector is not needed in application, and noise can be effectively reduced.

Drawings

Fig. 1 is a schematic structural view of a split type rotating electrical machine of the present invention.

Fig. 2 is a schematic view of the stator structure of the present invention.

Fig. 3 is a schematic view of the rotor structure of the present invention.

Fig. 4 is a schematic diagram of the working principle of a preferred embodiment of the invention.

Fig. 5 is a schematic view of another preferred embodiment of the present invention.

Fig. 6 is a schematic view of a coil and a constant magnet in a preferred embodiment of the present invention.

Fig. 7 is a schematic view of a coil and a constant magnet in another preferred embodiment of the present invention.

The following specific embodiments will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

The technical solution provided by the present invention will be further explained with reference to the accompanying drawings.

Referring to fig. 1, the structure of the split type rotating electrical machine provided by the present invention is schematically shown, and the split type rotating electrical machine includes a fixed portion and a rotating portion separable from the fixed portion, wherein the fixed portion at least includes a non-magnetic base and a stator fixed on the base; the rotating part at least comprises a non-magnetic rotating disc cover and a rotor arranged on the rotating disc cover, the rotating disc cover and the base have a clamping structure, and the rotor can freely rotate during clamping; that is, the turntable cover has a structure for fixing the rotor so that the rotor is fixed in the axial direction and the rotor can freely rotate about the rotation axis. In a preferred embodiment, the rotor is further provided with a rotatable bearing, the bearing is arranged at the center of the rotor in a penetrating manner, and the turntable cover and the bearing base have a clamping structure. That is, a bearing is fixed on the shaft between the center of the rotor and the equipment requiring power, the bearing serves as a support, and the equipment at the other end of the shaft rotates together when the rotor rotates.

Referring to fig. 2, which is a schematic structural diagram of the stator of the present invention, at least one first magnetic ring with a circular structure is disposed on the stator, the first magnetic ring is composed of a plurality of permanent magnets embedded at intervals, and the magnetic poles of adjacent permanent magnets are opposite in direction; at least one wire (not shown in fig. 2) is fixedly arranged on each permanent magnet body, and the wire is connected with a current controller, and the current controller is used for controlling the wires to generate alternating current, and the directions of the currents generated by the wires on the adjacent permanent magnet bodies are opposite at the same time.

In a preferred embodiment, the stator is further provided with a stator cover, and the stator cover can be tightly covered on the stator to fix the first magnetic ring in contact with the rotor cover.

In a preferred embodiment, the stator is further provided with a stator disc for fixing the first magnetic ring and together on the base.

Referring to fig. 3, which is a schematic structural diagram of the rotor of the present invention, at least one second magnetic ring with a circular structure is disposed on the rotor, the second magnetic ring is composed of a plurality of permanent magnets embedded at intervals, and the magnetic poles of adjacent permanent magnets are opposite in direction. That is, the rotor is provided with a magnetic ring which is concentric with the stator, has the same diameter and has the same constant magnet layout; except that no wires are provided on the rotor.

In a preferred embodiment, the rotor is further provided with a turntable, and the turntable is used for fixing the second magnetic ring and can integrally rotate. The rotor is also provided with a fixing mechanism, so that the turntable is fixed along the axial position, and meanwhile, the fixing mechanism and the turntable cover are fixed together and integrally fixed on the base, so that the motor is stable in working.

Referring to fig. 4, which is a schematic view showing the working principle of the split-type rotating electrical machine of the present invention, with the above structure, when the turntable cover is engaged with the base, the rotor cover and the stator cover may contact each other, or may have a certain space interval; at the moment, the second magnetic ring on the rotor and the first magnetic ring on the stator are concentric same-diameter magnetic rings which are distributed up and down; magnetic attraction of upper and lower permanent magnets exists between the rotor and the stator to enable the rotor and the stator to be tightly fixed; when current flows through the wires, Lorenz force is generated to enable the rotor to rotate under stress, and the current controller controls alternating current in each wire to enable the rotor to rotate. That is, the rotational speed and output torque of the motor can be controlled by controlling the alternating current in the wire by the current controller. The specific working principle is as follows:

as shown in the left permanent magnet of fig. 4, the first magnetic ring and the second magnetic ring form an integral closed magnetic circuit, and in a static state, the S-stage of the permanent magnet on the stator corresponds to the N-stage of the permanent magnet on the rotor, and correspondingly, the N-stage of the permanent magnet on the stator corresponds to the S-stage of the permanent magnet on the rotor. Therefore, when the fixed part and the dividable rotary part are put together, not only the magnetic force makes them tightly fixed to each other, but also the permanent magnet on the rotor and the permanent magnet on the stator form a closed magnetic circuit and provide a stable magnetic field for lorentz force generated by the conductor lines through which current flows placed in the magnetic field. Because the conducting wires are arranged perpendicular to the direction of magnetic force lines, when current flows in the conducting wires (х in the figure represents current flowing out and current flowing in), the electrified conducting wires form Lorentz force in a vertical magnetic field, the stator is subjected to circumferential force, the Lorentz force is reversely transmitted to the rotor due to the fixed arrangement of the stator, and the rotor can rotate when the attractive force between the stator and the rotor is overcome. As shown in FIG. 4, the magnetic poles of the adjacent permanent magnets are opposite, and by controlling the current flowing direction on the adjacent permanent magnets, Lorentz forces in the same direction can be generated to jointly push the rotor to rotate. When the rotor moves to the next magnetic field position as shown in fig. 4, the current in the control wire is reversed to continue the forward motion in the opposite direction, in which mode the rotational speed of the turntable is changed by changing the frequency of the current.

Referring to fig. 5, a schematic diagram of an operating principle of another embodiment of the present invention is shown, wherein the leads of the adjacent constant magnets are integrally provided with coils, the coils are fixedly provided on the adjacent constant magnets, the size of a circle formed by the coils corresponds to that of a circle formed by the trapezoidal constant magnet blocks, and the number of the coils can also be the same as that of the trapezoidal constant magnets. When current is generated in the coil, the directions of the current generated in the coil are opposite when the current flows through the adjacent constant magnets respectively, so that the directions of the generated Lorenz force are the same. By adopting the technical means, the specific multiple sections of the coil can flow through the current above the constant magnet by winding multiple circles, so that a smaller current can be generated to generate a larger Lorenz force. Therefore, because the magnetic poles of the adjacent permanent magnets are opposite, for the coils arranged on the adjacent permanent magnets, the current flowing directions of the coils on the adjacent permanent magnets are just opposite when in the magnetic field, so that Lorentz forces in the same direction are generated to jointly push the rotor to rotate. When the rotor moves to the next coil standard position as shown in fig. 4, the current in the control wire flows in the reverse direction and continues to move in the forward direction, and in this mode, the rotating speed of the rotating disk is changed by changing the frequency of the current.

In a preferred embodiment, each permanent magnet and its adjacent permanent magnet are fixedly provided with a set of coils in the stator. By controlling the alternating current in each coil, the Lorenz force generated by each coil has the same direction, so that the stress of the rotor is more uniform, and the work is more stable. In another preferred embodiment, the rotor can also be rotated by sequentially arranging two permanent magnets in a stator as a group, and each group is provided with a group of coils, which can reduce the complexity of current control.

Referring to fig. 6, a winding diagram of a coil and a constant magnet in a preferred embodiment is shown, the coil is represented by a dotted line, and in the winding manner, when the coil is in a standard position, a coil is correspondingly arranged between any two adjacent constant magnets. Therefore, the number of coils is the same as the number of constant magnets distributed on the rotor.

Referring to fig. 7, a schematic winding diagram of a coil and a permanent magnet in another preferred embodiment is shown, in which each adjacent permanent magnet is in a group and two are combined, and each group is provided with a coil when in a standard position. Therefore, the number of coils is half of the number of the constant magnets distributed on the rotor.

Preferably, the winding of fig. 6 is used, which has less wire and produces correspondingly less dc resistance loss to achieve the same effect.

Preferably, the cross-section of the coil is trapezoidal. By adopting the technical means, the stability of the rotor during working is improved, the alignment between the stator and the rotor is improved, the silicon steel sheet and the permanent magnet are attracted, the permanent magnets of the two discs correspond to the coils, and meanwhile, the permanent magnet of one circle and the magnetic material of one circle are attracted mutually, so that the stability of the cup body during working is improved; meanwhile, as the magnetic material and the permanent magnet are mutually attracted, when the rotating part is placed, the two disks can be inosculated together by the attraction as long as the positions of the two disks are not greatly deviated.

In the technical scheme, the permanent magnet is made of the permanent magnet material, so that the stability of a magnetic field can be ensured. In addition, the section of the constant magnet body is trapezoidal, so that a circular ring-shaped magnetic ring is formed. The formed magnetic ring is one or more circles.

In the technical scheme of the invention, the fixed part is also required to be provided with a current controller, and the current controller generates alternating currents with different frequencies, sizes, directions and shapes according to application requirements so as to enable the lead or the coil to generate Lorenz force. The frequency determines the rotation speed of the rotor, the current magnitude determines the torque acting on the rotating shaft, the direction of the current determines the steering, and the different shapes of the current are related to the torque and the energy consumption, for example, the square waves and the sine waves have different effects.

In the application of the split type rotating motor, the rotor is connected with a shaft of equipment needing power into a whole, the stator is designed in a split mode and is arranged on the base of the fixed part, when the split type rotating motor is used, the rotating part is directly arranged on the fixed part, and the rotor and the stator are attracted by means of magnetic force; during control, the current controller generates alternating current, and the rotor rotates due to Lorenz force. Therefore, under the condition of no connecting shaft, the cutter shaft of the wall breaking machine can be rotated.

Therefore, the invention also discloses a driving mechanism of the wall breaking machine, which can be applied to products such as a wall breaking food processor, a juice extractor, a soybean milk machine, an ice cream machine, a food processor, a grinder and the like. Broken wall machine actuating mechanism adopts the split type rotating electrical machines of above-mentioned design, sets up the bearing in the rotating part, and the one end and the rotor of bearing are connected, and the other end and the blade holder main part zonulae occludens of bearing drive the arbor when the carousel is rotatory and rotate together, and the broken wall cutter on the arbor is also driven and is rotated together. Different tools may be exchanged for different applications.

The above description of the embodiments is only intended to facilitate the understanding of the method of the invention and its core idea. It should be noted that, for those skilled in the art, it is possible to make various improvements and modifications to the present invention without departing from the principle of the present invention, and those improvements and modifications also fall within the scope of the claims of the present invention.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.