A permanent magnet linear motor with compensation module
A permanent magnet linear motor and compensation module technology, applied in the direction of electromechanical devices, electrical components, electric components, etc., can solve problems such as reliability and life reduction, influence of motor precision positioning, system vibration, etc., to reduce force fluctuations and improve reliability Performance and service life, and the effect of improving positioning accuracy
Active Publication Date: 2019-05-14
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
However, due to the existence of the side ends of the existing permanent magnet linear motor, the permanent magnet linear motor produces a large force fluctuation during operation, and this force fluctuation will have a great impact on the precise positioning of the motor.
At the same time, due to the existence of force fluctuations, the system will vibrate seriously, and the reliability and life will be reduced.
Method used
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[0024] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.
[0025] In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] figure 1 It is a device structure diagram of an embodiment of the switched magnetic flux linear motor of the present invention.
[0027] see figure 1 , the switched flux linear motor includes a stator 1, ...
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The invention discloses a permanent-magnet linear motor with a compensation module. The permanent-magnet linear motor comprises a stator, a rotor, a connection block and the compensation module, wherein the connection block is arranged at one end of the stator and is embedded between the stator and the compensation module, the compensation module comprises an auxiliary permanent magnet, a compensation winding and two compensation iron cores, each compensation iron core is in a right-angle shape, the auxiliary permanent magnet is arranged between the two compensation iron cores and forms a compensation groove with the two compensation iron cores, and the compensation winding passes through the compensation groove and is wound around connection parts of the two compensation iron cores and the auxiliary permanent magnet. Through the permanent-magnet linear motor with the compensation module, disclosed by the invention, the force fluctuation can be effectively reduced, so that the positioning accuracy and the reliability of the permanent-magnet linear motor are improved, and the service lifetime of the permanent-magnet linear motor is prolonged.
Description
technical field [0001] The invention relates to the technical field of motors, in particular to a permanent magnet linear motor with a compensation module. Background technique [0002] Due to the advantages of simple structure, high positioning accuracy of linear transmission, fast response speed, and high reciprocating bandwidth of linear direct drive, linear motors are widely used in automatic control systems, devices that require long-term continuous driving, and that require huge linear transmission in a short time or short distance. In the device of motion energy. [0003] In the prior art, permanent magnet motors in linear motors are more and more widely used. However, due to the existence of the side end of the existing permanent magnet linear motor, the permanent magnet linear motor produces a large force fluctuation during operation, and this force fluctuation will have a great impact on the precise positioning of the motor. At the same time, due to the existence...
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IPC IPC(8): H02K41/03
CPCH02K41/031
Inventor 赵静郭科宇刘向东李健户恒在
Owner BEIJING INSTITUTE OF TECHNOLOGYGY