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Novel motor rotor

A motor rotor, a new type of technology, applied in the field of new energy vehicle manufacturing, to achieve the effect of high resistivity

Inactive Publication Date: 2016-11-16
WUXI NEW GREAT POWER ELECTRICAL MACHINE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At this time, it is difficult for ordinary rotor motors (motors whose rotor bar material is pure aluminum) to meet the performance requirements. Therefore, new high-performance motors have emerged as the times require.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0009] The technical solution of the present invention will be described in detail below.

[0010] The embodiment of the invention discloses a novel motor rotor. The rotor has aluminum alloy material.

[0011] Because the cast aluminum alloy rotor has the advantages of being able to flexibly design the best groove shape, improving heat dissipation efficiency, and easy to find a balance mechanically, it is very practical.

[0012] Further, the aluminum alloy material contains silicon and manganese alloy elements.

[0013] Silicon has a large specific heat capacity, and its linear contraction coefficient is only about one-third of that of aluminum. Therefore, as the silicon content increases, the crystallization temperature region of the hypereutectic formed by Al-Si alloy gradually widens, but the casting performance is still good. And, it has certain tensile strength and elongation.

[0014] Among aluminum-silicon alloys, aluminum alloys with high manganese content also ha...

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PUM

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Abstract

The invention discloses a novel motor rotor. The rotor is provided with an aluminum alloy material. The novel motor rotor disclosed by the embodiment of the invention has the characteristics of high electrical resistivity, high castability and favorable mechanical property, and favorable effects of meeting performance index of a new energy motor and reducing the fabrication cost of the motor can be achieved.

Description

technical field [0001] The invention relates to the technical field of new energy vehicle manufacturing, in particular to a novel motor rotor. Background technique [0002] With the development of new energy vehicles, drive motors for new energy vehicles have attracted more and more attention. The motor operating conditions of electric vehicles require that the driving motor must have a large torque at the initial stage to meet the starting acceleration, climbing ability and slope stop and starting ability of the vehicle at low speeds. It must also have a certain torque to meet the traction that must be met when the vehicle is running at high speed. At this time, it is difficult for ordinary rotor motors (motors whose rotor bar material is pure aluminum) to meet the performance requirements. Therefore, new high-performance motors have emerged as the times require. Contents of the invention [0003] In order to solve the above-mentioned problems existing in the prior art ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K1/02
CPCH02K1/02
Inventor 徐明
Owner WUXI NEW GREAT POWER ELECTRICAL MACHINE