Direct liquid cooling and heat shielding type sandwich-structured motor armature

A heat shielding and sandwich technology applied to the shape/style/structure of the winding conductor to ensure positioning accuracy, improve frequency response and compact structure
CN101969243AInactive Publication Date: 2011-02-09SHANGHAI UNIV +1
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
SHANGHAI UNIV
Publication Date
2011-02-09
Estimated Expiration
Not applicable · inactive patent

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Abstract

The invention relates to a direct liquid cooling and heat shielding type sandwich-structured motor armature. A thin box-shaped armature assembly of a motor is formed by arranging pancake-shaped windings into a cavity of a thin sealing box made from electrical insulating, magnetic isolating and thermal insulating materials; and a gap for forced circulation of cooling liquid is formed between two surfaces of an armature winding and cavity walls of the sealing box. Direct liquid cooling is performed on the surfaces of the armature winding, so that heat consumed by copper of the armature winding is fully taken away by the cooling liquid. The direct liquid cooling and heat shielding type sandwich-structured motor armature of the invention has the advantages of avoiding the influence of temperature change on a control system and control precision, ensuring positioning precision of the system, along with compact structure and good cooling effect, and is suitable for high-tech sophisticated sport equipment and special semiconductor electronic equipment.
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Description

technical field

[0001] The invention relates to a cooling structure of a motor armature, in particular to a direct liquid cooling structure with good thermal shielding between the sandwich structure motor armature and the surrounding environment. Background technique

[0002] The sandwich structure motor refers to a planar motor or a disc rotating motor with an armature assembly in the middle and a magnetic pole assembly on both sides. In order to improve the thrust (or torque) density of the motor, the gap between the two magnetic pole assemblies of the sandwich structure motor must be as small as possible, and the armature assembly generally needs to be thin. In recent years, the sandwich structure permanent magnet motor has become the first choice for driving components in high-tech cutting-edge sports equipment and semiconductor electronic special equipment due to its advantages of high positioning accuracy, high thrust (or torque) density, high electromechanical frequen...

Claims

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