CN219477701U - Rotor assembly of synchronous magnetic conduction motor and synchronous magnetic conduction motor - Google Patents
Rotor assembly of synchronous magnetic conduction motor and synchronous magnetic conduction motor Download PDFInfo
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- CN219477701U CN219477701U CN202223266185.XU CN202223266185U CN219477701U CN 219477701 U CN219477701 U CN 219477701U CN 202223266185 U CN202223266185 U CN 202223266185U CN 219477701 U CN219477701 U CN 219477701U
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- 239000007769 metal material Substances 0.000 claims description 5
- 229920000049 Carbon (fiber) Polymers 0.000 claims description 4
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 4
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
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Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Permanent Field Magnets Of Synchronous Machinery (AREA)
Abstract
The utility model provides a rotor assembly of a synchronous magnetic conduction motor and the synchronous magnetic conduction motor. The rotor assembly of the synchronous magnetically conductive motor comprises a non-magnetic conductor, wherein a plurality of groups of rotor grooves are formed on the non-magnetic conductor, a plurality of groups of rotor grooves are distributed on the non-magnetic conductor at intervals, the magnetic conductor is inlaid on the rotor grooves, and the magnetic conductor is inlaid in the non-magnetic conductor according to a magnetic flux closed loop, so that the problems of production cost and the like of the motor rotor can be effectively solved, dragging torque is generated by utilizing magnetic potential difference formed by magnetic loop magnetic conductivity difference, and a permanent magnet is not required; and the light weight design of the motor rotor is realized, and the weight is reduced.
Description
Technical Field
The utility model relates to the technical field of motors, in particular to a rotor assembly of a synchronous magnetic conduction motor and the synchronous magnetic conduction motor.
Background
With the continuous perfection of motor theory, novel motor design theory such as permanent magnet motor, reluctance motor has appeared, and permanent magnet motor not only has small, advantage such as efficient, and has very big development space in the high-speed field, and reluctance motor is a motor design theory that recent emerging in recent years, and its biggest advantage is that need not the permanent magnet, effectively gets rid of the reliance on rare resources such as rare earth, but reluctance motor is with the iron core fluting as the magnetic barrier to regard this as the basis of motor operation, its existence processing requirement is high, with high costs, difficult control scheduling problem.
In recent years, with the continuous rise of the price of international bulk raw materials, the prices of base metals such as copper, iron and the like are strikingly increased, so that the theoretical space of a motor is further compressed, and the development of industry is hindered. Therefore, how to reduce base metal consumables in motor design and promote motor theory progress is a hotspot of industry research.
Disclosure of Invention
In order to solve the problems, the utility model provides a rotor assembly of a synchronous magnetic conduction motor and the synchronous magnetic conduction motor, which can effectively solve the problems of production cost and the like of the motor.
The utility model relates to a rotor assembly of a synchronous magnetic conduction motor, which is characterized in that: the magnetic flux-free rotor comprises a non-magnetic conductor, wherein a plurality of groups of rotor grooves are formed on the non-magnetic conductor, a plurality of groups of rotor grooves are distributed on the non-magnetic conductor at intervals, the magnetic conductor is inlaid on the rotor grooves, and the magnetic conductor is inlaid in the non-magnetic conductor according to a magnetic flux closed loop.
As a further optimization of the technical scheme of the utility model, the non-magnetizer is made of non-metal materials.
As a further optimization of the technical scheme of the utility model, the magnetizers are uniformly distributed along the circumference of the non-magnetizer, and the number of uniformly distributed magnetizers is equal to the number of poles of the motor.
As a further optimization of the technical scheme of the utility model, the magnetizers are arranged in an arc shape in the radial direction of the main shaft of the non-magnetizer, the center of the magnetizer is recessed towards the center of the main shaft, and the two sides of the magnetizer tilt.
As a further optimization of the technical scheme of the utility model, a plurality of magnetizers are embedded in each group of the rotor grooves, and the magnetizers are arranged in a stacked manner.
As a further optimization of the technical scheme of the utility model, the thickness of the non-magnetic conductive medium between the lamination of the plurality of magnetic conductors is equal.
As a further optimization of the technical scheme of the utility model, the non-magnetic conductive medium comprises a non-metal paint film or a plating layer.
As a further optimization of the technical scheme of the utility model, the non-magnetic conductor is further provided with a fastener, and the fastener is in interference fit with the non-magnetic conductor.
As a further optimization of the technical scheme of the utility model, the fastener comprises a hoop, and the hoop is made of a high-strength carbon fiber material or a non-magnetic conductive alloy material.
The synchronous magnetic conduction motor comprises a rotor assembly and a stator of the synchronous magnetic conduction motor, wherein the rotor assembly is arranged on the inner side of the stator.
Compared with the prior art, the utility model has the beneficial effects that:
the rotor assembly of the synchronous magnetically conductive motor comprises a non-magnetizer, wherein a plurality of groups of rotor grooves are formed on the non-magnetizer, a plurality of groups of rotor grooves are distributed on the non-magnetizer at intervals, magnetizers are embedded on the rotor grooves, and the magnetizers are embedded in the non-magnetizer according to a magnetic flux closed loop, so that the problems of production cost and the like of the motor rotor can be effectively solved, dragging torque is generated by utilizing magnetic potential difference formed by magnetic loop magnetic conductance difference, and a permanent magnet is not required; and the lightweight design of the motor rotor is realized by using the non-magnetizer, so that the weight is reduced, and the problems of rust and the like of the motor rotor are effectively avoided.
Drawings
The utility model will be described in more detail hereinafter on the basis of embodiments and with reference to the accompanying drawings.
FIG. 1 is a schematic view of a rotor assembly of a synchronous machine according to the present utility model;
fig. 2 is a schematic structural diagram of the synchronous magnetically permeable motor according to the present utility model.
In the above figures, 1, a non-magnetizer; 2. a magnetizer; 3. a fastener; 4. and a stator.
In the drawings, like parts are designated with like reference numerals. The figures are not drawn to scale.
Detailed Description
The utility model will be further described with reference to the accompanying drawings.
As shown in fig. 1, the utility model provides a rotor assembly of a synchronous magnetically conductive motor, which comprises a non-magnetizer 1, wherein a plurality of groups of rotor grooves are formed on the non-magnetizer 1, a plurality of groups of rotor grooves are distributed on the non-magnetizer 1 at intervals, magnetizers 2 are embedded on the rotor grooves, and the magnetizers 2 are embedded in the non-magnetizer 1 according to a magnetic flux closed loop, so that the problems of production cost and the like of the motor rotor can be effectively solved, and dragging torque generated by utilizing magnetic potential difference formed by magnetic loop flux difference is realized, and a permanent magnet is not required to be used; and the light weight design of the motor rotor is realized, and the weight is reduced.
In this embodiment, the non-magnetic conductor 1 is made of a non-metal material, that is, the motor rotor is replaced by a non-metal material, which may be a glass sintered cylinder, an injection molded cylinder, a powder die-cast cylinder, or other non-metal cylinders, and the base materials for making these cylinders are non-magnetic, so that the production cost of the rotor assembly is effectively reduced, and the problems of rust and the like of the motor rotor can be avoided.
As another embodiment of the present utility model, unlike the above-described embodiments, the magnetizers 2 are uniformly arranged along the circumference of the non-magnetizer 1, so that dragging torque is generated by using magnetic potential differences formed by magnetic circuit flux differences, and thus permanent magnets are not required; and the uniformly distributed number of the magnetizers 2 is equal to the number of motor poles, so that the magnetizers are designed according to the number of motor poles, and the production cost is effectively reduced.
As another embodiment of the present utility model, unlike the above embodiment, the magnetizer 2 is arranged in an arc shape in the radial direction of the main shaft of the non-magnetizer 1, the center of the magnetizer is recessed toward the center of the main shaft, and both sides of the magnetizer are tilted, so that the magnetizer is arranged according to the trend of the magnetic flux loop, and the magnetic flux formed by the stator coil can be closed along the stator teeth, the stator yoke, the air gap and the magnetizer.
In order to enhance the magnetic conductivity of the rotor, as another embodiment of the present utility model, a plurality of magnetizers 2 are embedded in each group of the rotor grooves. And under the magnetic conductivity of reinforcing rotor, in order to make each magnetic conductor complement each other, accomplish the closure with the magnetic field that stator excitation produced, a plurality of this embodiment the magnetic conductor 2 range upon range of arrangement, a plurality of the non-magnetic conduction medium thickness between the magnetic conductor 2 range upon range of equals, and non-magnetic conduction medium includes non-metallic paint film or cladding material to effectively strengthen the magnetic conductivity of motor rotor, be convenient for let the magnetic field that stator excitation produced accomplish the closure of magnetic flux through the magnetic conductor.
As another embodiment of the present utility model, unlike the above-described embodiment, the rotor assembly of the present embodiment further includes a fastener 3, and the fastener 3 is in interference fit with the non-conductive body 1, thereby effectively increasing the strength of the rotor. The fastening piece 3 comprises a hoop, and the hoop is made of a high-strength carbon fiber material or other non-magnetic-conductive alloy into a cylinder shape, so that a magnetizer can be fastened and embedded in the non-magnetic-conductive body, and the stability of the motor rotor is enhanced; meanwhile, the lightweight design of the motor rotor is realized, the weight is reduced, and the production cost is effectively reduced.
The assembly flow of the motor rotor component is as follows: firstly, replacing a motor rotor with a nonmetallic material, namely a glass sintered cylinder, an injection molded cylinder, a powder die-cast cylinder and nonmetallic cylinders in other forms, wherein the base material for manufacturing the cylinders is not magnetic conductive; then, embedding a material with magnetic conduction property, such as iron, cobalt, nickel or other materials with magnetic conduction property, into the cylinder, and arranging the magnetic conduction materials according to the trend of a magnetic flux loop to enable magnetic flux formed by the stator coil to be closed along the stator teeth, the stator yoke, the air gap and the magnetic conductor; finally, the strength of the rotor is increased by sleeving the rotor with the hoops in an interference manner, and the hoops are made of high-strength carbon fiber materials or other non-magnetic alloy cylinders.
As shown in fig. 2, a synchronous magnetic conduction motor comprises a rotor assembly and a stator 4 of the synchronous magnetic conduction motor, wherein the rotor assembly is arranged on the inner side of the stator 4.
Specifically, the motor stator structure of this embodiment is the same as a conventional three-phase asynchronous motor or a permanent magnet synchronous motor, the motor rotor structure adopts a structural form as shown in fig. 2, and the whole rotor adopts a non-magnetic conductive material, so that the stator magnetic field has no force on the rotor at this time, and a magnetic conductor is embedded in the non-magnetic conductor according to a magnetic flux closed loop, so that the magnetic field generated by the stator excitation can complete the closing of the magnetic flux through the magnetic conductor, and the motor which completes the closing of the magnetic circuit by using the magnetic conduction effect is called a magnetic conduction motor, and the magnetic circuit comprises: stator teeth, stator yokes, stator-rotor air gaps, and rotor magnetizers.
The three-phase asynchronous motor principle or the permanent magnet synchronous motor operation principle is based on ampere law, the magnetically conductive motor mainly depends on electromagnetic tension, as shown in fig. 2, when the coil A is electrified, the coil A generates a magnetic field, the magnetic field generates electromagnetic force on a magnetizer on a rotor, the motor rotor is pulled and adsorbed at the center of a magnetic pole, if the electrified state of the coil A is changed, the coil A is powered off, the coil B or the coil C is powered on, the magnetic field formed by the coil B or the coil C moves the center of the magnetic pole formed by the nearby magnetizer, so that the coil A is electrified in sequence according to a specified time sequence, and the traction rotor generates the required special direction and traction force.
Therefore, the rotor of the synchronous magnetically conductive motor adopts nonmetallic materials to replace metallic materials, and the magnetically conductive materials are distributed according to the trend of a magnetic flux loop, so that magnetic flux formed by a stator coil is closed along stator teeth, a stator yoke, an air gap and a magnetizer, thereby effectively solving the problems of production cost and the like of the motor rotor, improving the capabilities of rust prevention, corrosion prevention, impurity prevention and the like of the motor rotor through the design of the non-magnetizer, realizing that dragging torque is generated by utilizing magnetic potential difference formed by the magnetic conductance difference of the magnetic loop, and avoiding the use of permanent magnets; and the light weight design of the motor rotor is realized, and the weight is reduced.
In the description of the present utility model, it should be understood that the terms "upper," "lower," "bottom," "top," "front," "rear," "inner," "outer," "left," "right," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be configured and operated in a particular orientation, and thus should not be construed as limiting the present utility model.
While the utility model has been described with reference to a preferred embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the technical features mentioned in the respective embodiments may be combined in any manner as long as there is no structural conflict. The present utility model is not limited to the specific embodiments disclosed herein, but encompasses all technical solutions falling within the scope of the claims.
Claims (10)
1. A rotor assembly for a synchronous magnetically permeable motor, comprising: the magnetic flux-free rotor comprises a non-magnetic conductor, wherein a plurality of groups of rotor grooves are formed on the non-magnetic conductor, a plurality of groups of rotor grooves are distributed on the non-magnetic conductor at intervals, the magnetic conductor is inlaid on the rotor grooves, and the magnetic conductor is inlaid in the non-magnetic conductor according to a magnetic flux closed loop.
2. The rotor assembly of a synchronous machine as set forth in claim 1 wherein: the non-magnetic conductor is made of a non-metallic material.
3. The rotor assembly of a synchronous machine as set forth in claim 1 wherein: the magnetizers are uniformly distributed along the circumference of the non-magnetizer, and the uniformly distributed number is equal to the number of poles of the motor.
4. A rotor assembly for a synchronous machine as claimed in claim 3, wherein: the magnetizers are arranged in an arc shape in the radial direction of the main shaft of the non-magnetizer, the centers of the magnetizers are recessed towards the center of the main shaft, and the two sides of the magnetizers tilt.
5. The rotor assembly of a synchronous machine as set forth in claim 1 wherein: and a plurality of magnetizers are embedded in each group of the rotor grooves, and the magnetizers are arranged in a stacked manner.
6. The rotor assembly of a synchronous machine as set forth in claim 5 wherein: the thickness of the non-magnetic medium between the lamination of the plurality of magnetic conductors is equal.
7. The rotor assembly of a synchronous machine as set forth in claim 6 wherein: the non-magnetic conductive medium comprises a non-metallic paint film or plating layer.
8. The rotor assembly of a synchronous machine as set forth in claim 1 wherein: the non-magnetizer further comprises a fastener, wherein the fastener is in interference fit with the non-magnetizer.
9. The rotor assembly of a synchronous machine as set forth in claim 8 wherein: the fastener comprises a hoop which is made of a high-strength carbon fiber material or a non-magnetic conductive alloy material.
10. A synchronous magnetically permeable motor, characterized by: a rotor assembly, a stator comprising the synchronous machine of any of claims 1-9, said rotor assembly being disposed inside said stator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223266185.XU CN219477701U (en) | 2022-12-05 | 2022-12-05 | Rotor assembly of synchronous magnetic conduction motor and synchronous magnetic conduction motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223266185.XU CN219477701U (en) | 2022-12-05 | 2022-12-05 | Rotor assembly of synchronous magnetic conduction motor and synchronous magnetic conduction motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219477701U true CN219477701U (en) | 2023-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223266185.XU Active CN219477701U (en) | 2022-12-05 | 2022-12-05 | Rotor assembly of synchronous magnetic conduction motor and synchronous magnetic conduction motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219477701U (en) |
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2022
- 2022-12-05 CN CN202223266185.XU patent/CN219477701U/en active Active
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