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Permanent magnet synchronous linear motor with low thrust pulsation

A permanent magnet synchronous linear, low-thrust technology, used in electrical components, electromechanical devices, propulsion systems, etc., can solve the problem of high cogging force, reduce cogging force, reduce thrust pulsation, and solve problems with high cogging force. Effect

Pending Publication Date: 2020-02-07
深圳线马科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a permanent magnet synchronous linear motor with low thrust pulsation, aiming to solve the problem of high cogging force of the existing linear motor in the prior art

Method used

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  • Permanent magnet synchronous linear motor with low thrust pulsation
  • Permanent magnet synchronous linear motor with low thrust pulsation
  • Permanent magnet synchronous linear motor with low thrust pulsation

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Embodiment Construction

[0024] In order to make the objectives, technical solutions and advantages of the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

[0025] The implementation of the present invention will be described in detail below in conjunction with specific embodiments.

[0026] The same or similar reference signs in the drawings of this embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", "right", etc. The indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying ...

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Abstract

The invention relates to the technical field of a linear motor and discloses a permanent magnet synchronous linear motor with low thrust pulsation. The motor comprises a mover and a stator, wherein the mover and the stator are oppositely arranged, the mover comprises an iron core, a plurality of windings and a circuit board, a lower end of the iron core extends towards the stator to form a plurality of iron core columns arranged at intervals, the windings are arranged on the iron core columns in a sleeving mode, the windings are electrically connected with the circuit board, the stator is arranged on a base and comprises a magnetic conductive substrate and a plurality of permanent magnets of which N-S poles are arranged in parallel in a staggered manner, the front-end iron core column arranged towards the stator is formed at a front end of the mover, the rear-end iron core column arranged towards the stator is formed at a rear end of the mover, and end teeth are arranged on the front-end iron core column and the rear-end iron core column. The motor is advantaged in that in the moving process of the mover, under the action of the end teeth at the front end and the rear end of the mover, the cogging force and thrust pulsation can be effectively reduced, and the application of the linear motor in high-precision occasions is facilitated.

Description

Technical field [0001] The patent of the present invention relates to the technical field of linear motors, in particular to a permanent magnet synchronous linear motor with low thrust pulsation. Background technique [0002] In the manufacturing and assembly industry, direct drive technology composed of linear motors has the advantages of high speed, high precision, and maintenance-free, and has been widely used. [0003] At present, linear motors with iron cores are equipped with iron cores in the winding group. They are widely used in high-speed CNC machining centers, vertical lifting conveying systems, high-speed ground transportation systems, reciprocating air compressors and other fields, and can provide faster Responsiveness, larger load, and can ensure rigidity during machining or applying thrust. [0004] However, in more precise applications, linear motors have higher requirements. In the application of such linear motors, due to the combined influence of the end effect an...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K41/03
CPCH02K41/031
Inventor 周尔清唐自祥黄奕宏
Owner 深圳线马科技有限公司
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