CN212323840U

CN212323840U - Torque-conversion driving motor for new energy vehicle

Info

Publication number: CN212323840U
Application number: CN202022254072.2U
Authority: CN
Inventors: 李勇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-25
Filing date: 2020-10-12
Publication date: 2021-01-08
Anticipated expiration: 2030-10-12

Abstract

The utility model discloses a change in turn driving motor for new forms of energy vehicle in electrical equipment field. Including motor casing, winding stator, rotor winding, rotor core, pivot and magnetic pole switching controller, the winding stator is located the motor casing inner circle, and rotor winding and rotor core constitute electric motor rotor, and electric motor rotor is at winding stator internal rotation, its characterized in that: the motor comprises a motor shell, a plurality of groups of winding stators are uniformly arranged on the inner ring of the motor shell, coil groups of the winding stators are connected with a magnetic pole conversion controller, the coil groups are connected and combined through the magnetic pole conversion controller to form the number of magnetic poles of the motor stators, and the magnetic pole conversion controller can adjust the output of motor torque through the change of the number of the magnetic poles of the motor stators. The utility model has the advantages of the motor efficiency is high, the operation is stable and convenient control speed governing.

Description

Torque-conversion driving motor for new energy vehicle

Technical Field

The utility model relates to a change driving motor that turns round for new forms of energy vehicle of electrical equipment field.

Background

With the development of science and technology, new energy technology promotes the development of various fields of transportation tools, logistics facilities, shipping and the like, but the core is the process of converting various energies into kinetic energy, wherein a driving motor is one of energy conversion modes, the technology is developed, the current driving motor count can meet the requirements of general application, but cannot meet higher use requirements, from the aspect of energy conversion requirements, the driving motor is similar to a bicycle which cannot run through an electric bicycle, the electric bicycle cannot run through a fuel motorcycle, the running curves in the power conversion process are different, so that the capacity conversion efficiency, the torque and the load capacity are different, along with the production of pure electric vehicles, hybrid electric vehicles and the like, the high-performance driving motor and the control technology thereof are efficiently fused with an energy storage system to replace the internal combustion engine and the mechanical transmission system of the traditional vehicle, but still does not address the higher demands of power conversion.

The common new energy hub driving motor on the market can not meet the power requirement with higher requirement, firstly, the operation curve is basically two stages of ascending and horizontal operation, the power efficiency is obviously limited, the maximum speed and the maximum torque are reached, and secondly, the output power capability of the common new energy hub driving motor also limits the space for power ascending and the change along with the load due to the structural design and the manufacturing of the common new energy hub driving motor. Thirdly, the common new energy hub driving motor cannot meet the requirements of higher requirements, for example, the new energy power of engineering machinery cannot be used, and equipment with higher requirements on power, such as airplanes, ships, military products and the like, cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the purpose of the invention is to solve prior art's not enough, provides a modified a change of torsion driving motor for new forms of energy vehicle, makes the motor through the logarithm quantity that changes synchronous magnetic pole when the operation, obtains the moment of torsion from little to big and satisfies different load requirements to solve new forms of energy driving motor's power restriction and the problem of transportation power insufficiency.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides a change and turn round driving motor for new forms of energy vehicle, includes motor casing, winding stator, rotor winding, rotor core, pivot and magnetic pole switching controller, and the winding stator is located the motor casing inner circle, and rotor winding and rotor core constitute electric motor rotor, and electric motor rotor is at winding stator internal rotation, its characterized in that: the inner ring of the motor shell is uniformly provided with a plurality of groups of winding stators, coil groups of the winding stators are connected with a magnetic pole conversion controller, the coil groups are connected and combined by the magnetic pole conversion controller to form the number of magnetic poles of the motor stators, the magnetic pole conversion controller can convert different pairs of magnetic poles, and the controller adjusts the output of the power and the torque of the motor through the change of the number of the magnetic poles of the motor stators; the technical scheme is further explained as follows: the number of the winding stators is even, the maximum logarithm of the number of the stator logarithms is 4-level, 6-level, 8-level and 12-level, and the like, and the number of the magnetic pole pairs is 20-level or more; the technical scheme is further explained as follows: the inner side of the motor shell is provided with a magnetic groove body embedded with a winding stator coil group, the winding stator coil group and the magnetic groove body form a stator of the motor, and a rotating magnetic force field formed by the stator drives a motor rotor to rotate.

The utility model has the characteristics of motor efficiency is high, the operation is stable and convenient control speed governing etc.

Drawings

Fig. 1 is a structural view of a torque conversion driving motor for a new energy vehicle.

Fig. 2 is a torque driving output curve diagram of the torque driving motor.

FIG. 3 is a schematic diagram of a control principle of a torque conversion driving motor for a new energy vehicle.

In the figure: the motor comprises a motor shell 1, a winding stator 2, a rotor winding 3, a rotor core 4, a rotating shaft 5 and a magnetic pole conversion controller 6.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings:

as shown in the figure, the structure of the torque conversion driving motor of the new energy vehicle comprises a motor shell 1, a winding stator 2, a rotor winding 3, a rotor core 4, a rotating shaft 5 and a magnetic pole conversion controller 6.

The torque-variable driving motor comprises a motor and a magnetic pole conversion controller, the motor consists of a motor rotor and a motor stator, the motor stator consists of a plurality of groups of stator coils embedded on a magnetic groove body on the inner side of the motor shell, each group of stator coils is connected and combined on the inner side of the motor shell to form a specific magnetic pole pair, by loading a power supply on a motor stator, a winding stator forms a rotating magnetic force field to drive a motor rotor to rotate, a stator coil of the traditional motor forms a fixed magnetic pole pair number by fixed connection in the motor, the invention can adapt to the requirements of different working conditions by changing the magnetic pole pairs, the stator coil of the winding stator is connected to the magnetic pole conversion controller, and the change of the magnetic pole pairs is realized by the magnetic pole conversion controller.

The working principle is as follows:

1. a technical principle of a torque conversion driving motor for a new energy vehicle is as follows: in the same driving motor, the torque output by the rotor is changed by changing the number of pairs of magnetic poles of the stator of the motor participating in operation, the more the number of pairs of magnetic poles participating in operation is, the larger the output torque of the rotor is, the less the number of pairs of magnetic poles participating in operation is, and the less the output torque of the rotor is;

2. a structure that is used for changing the driving motor of turning round of new forms of energy vehicle is: the prototype distribution structure is convenient for the arrangement of the number of stator magnetic pole pairs of the motor on the structure to be increased or reduced, and the maximum number of 4, 6, 8, 12, and the like of the number of stator pairs, and the number of 20 or more magnetic pole pairs are determined when the motor is designed and manufactured;

3. a related operation control method of a torque conversion driving motor for a new energy vehicle is as follows: through the auxiliary control chip circuit, according to the needs of load, the number of pairs of magnetic poles of the stator of the motor participating in operation is actively or passively changed, and the torque meeting the needs is provided.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a change and turn round driving motor for new forms of energy vehicle, includes motor casing, winding stator, rotor winding, rotor core, pivot and magnetic pole switching controller, and the winding stator is located the motor casing inner circle, and rotor winding and rotor core constitute electric motor rotor, and electric motor rotor is at winding stator internal rotation, its characterized in that: the inner ring of the motor shell is uniformly provided with a plurality of groups of winding stators, coil groups of the winding stators are connected with a magnetic pole conversion controller, the coil groups are connected and combined through the magnetic pole conversion controller to form the number of magnetic poles of the motor stators, the magnetic pole conversion controller can convert different pairs of magnetic poles, and the controller adjusts the output of the power and the torque of the motor through the change of the number of the magnetic poles of the motor stators.

2. The torque conversion drive motor for the new energy vehicle according to claim 1, characterized in that: the number of the winding stators is even.

3. The torque conversion drive motor for the new energy vehicle according to claim 1, characterized in that: and a magnetic groove body in which a winding stator coil group is embedded is arranged on the inner side of the motor shell.