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Integrated brushless motor used for automobile EPS

A brushless motor and integrated technology, applied in the direction of electric steering mechanism, etc., can solve the problems of complex structure, large space occupation, and reduced reliability of automotive EPS systems, and achieve simple structure, small space occupation, and increased speed and torque. Effect

Inactive Publication Date: 2019-05-10
乐清市吴林电器实业有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The traditional EPS motor encoder needs to be coaxially installed outside the motor, the driver and the motor are completely separated and need to be sealed separately, resulting in a complex structure of the automotive EPS system, a large space occupation, and reduced reliability

Method used

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  • Integrated brushless motor used for automobile EPS
  • Integrated brushless motor used for automobile EPS
  • Integrated brushless motor used for automobile EPS

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0037] With reference to the accompanying drawings, the brushless motor for the integrated automotive EPS will be further described.

[0038] An integrated brushless motor for automotive EPS, such as figure 1 with figure 2 As shown, it includes a housing 1, a rear cover 2 arranged at one end of the housing 1, a rotating shaft 3 respectively rotated on the rear cover 2 and the housing 1 at both ends, a controller housing 4 connected to the rear cover 2, and a set The partition 5 arranged on the controller housing 4 and in a gap with the rear cover 2; the partition 5 is provided with a gap between the inner wall of the cavity 44, and the partition 5 is a heat-dissipating insulating plate.

[0039] Such as figure 1 As shown, wherein, the first mounting seat 11 is provided on the circumferential side wall of the housing 1, and the extension edge 21 matched with the first mounting seat 11 is provided on the back cover 2, and the first mounting seat 11 and the The extension 21 i...

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Abstract

The invention discloses an integrated brushless motor used for automobile EPS and relates to the technical field of brushless motors. The integrated brushless motor comprises a shell, a rear cover arranged at one end of the shell, a rotary shaft with the two ends rotationally arranged on the rear cover and the shell, a controller shell connected with the rear cover and a partition arranged on thecontroller shell and spaced from the rear cover. A cavity is formed in the end, away from the rear cover, of the controller shell and divided into an inner installation cavity and an outer installation cavity through the partition. The end, facing the rear cover, of the rotary shaft is connected with a tail pin used for acquiring the motor rotation speed and steering. The tail pin is connected with a tail inductor. The tail inductor is arranged in the inner installation cavity. The end, away from the rear cover, of the rotary shaft penetrates through the shell and is provided with a connector.The rear cover is further provided with a terminal. One end of the terminal is located in the shell, and the other end of the terminal is arranged in the inner installation cavity. The integrated brushless motor has the effects of being simple in structure, small in occupied space and high in reliability.

Description

technical field [0001] The invention relates to the technical field of brushless motors, more specifically, it relates to an integrated brushless motor for automotive EPS. Background technique [0002] With the rapid development of the automobile industry and the deepening awareness of energy crisis, people pay more and more attention to the energy saving of automobiles; the steering performance of automobiles is an important performance in the driving process of automobiles, and the power steering system is also constantly updated. The steering system (EPS, Electric Power Steering) directly provides steering assistance from the power-assisted motor, eliminating the need for power steering oil pumps, hoses, hydraulic oil, conveyor belts and pulleys installed on the engine that are necessary for hydraulic power steering systems. The advantages of anti-interference, safety and handling stability have become one of the focuses of steering system research and development and aut...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04
Inventor 吴建国
Owner 乐清市吴林电器实业有限公司
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