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Straight line propeller

A thruster, linear technology, applied in the direction of propulsion system, electrical components, electromechanical devices, etc., can solve the problems of small propulsion, single structure, difficult to control the magnetic potential and so on

Inactive Publication Date: 2005-09-07
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The existing linear motor generates thrust by changing the relative position of the mover and stator in the electromagnetic field. It has the disadvantages of single structure, single magnetic potential compensation, difficult control of magnetic potential, and small propulsion force

Method used

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  • Straight line propeller
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Examples

Experimental program
Comparison scheme
Effect test

specific Embodiment approach 1

[0005] Specific implementation mode one: as figure 1 , this specific embodiment is composed of the first iron core 1, the second iron core 2, the first excitation winding 4, the first permanent magnet 5, the third iron core 6 of the compensation control winding and the first compensation control winding 7, the first The iron core 1 is set as a mover, the second iron core 2 is set as a stator, and the second iron core 2 is set to three according to the three-phase power supply, and three second small tooth slots are opened on the lower end surface of each second iron core 2 3-2, on the upper end face of the first iron core 1, there are sixteen first small tooth slots 3-1 that are the same as the second small tooth slots 3-2, and the second small tooth slots 3-1 on the second iron core 2 The cogging center line of the cogging 3-2 is different from the cogging center line of the corresponding first small cogging 3-1 on the first iron core 1 by 1 / 3 tooth pitch, and on each second ...

specific Embodiment approach 2

[0006] Specific embodiment two: as shown in Figure 2, the difference between this embodiment and specific embodiment one is that the first iron core 1 is set as a stator, and the second iron core 2 is set as a mover, that is, the second iron core 2 together with the first excitation The winding 4 , the first permanent magnet 5 , the third iron core 6 , the first compensation control winding 7 and the first iron core 1 exchange positions up and down. Other compositions and connections are the same as in the first embodiment.

specific Embodiment approach 3

[0007] Specific implementation mode three: as image 3 The difference between this embodiment and the first embodiment is that the first permanent magnet 5 is embedded in the first iron core 1 at the opposite positive position on the lower end surface of each second iron core 2 . Other compositions and connections are the same as in the first embodiment.

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Abstract

This invention relates to a linear propeller with thrust force controlled by permanent magnet and electric-excitation magnet combination containing iron core, iron core, excitation winding, permanent magnet, iron core ,and compensating control winding, among which the similar small splines are openedon the opposite end faces of iron core and iron core, the excitation winding is setup on iron core, the permanent magnet is inlaid in the middle of iron core with iron core at the upper end surrounded by compensating control winding. If iron core 1 is set to be a runner, the iron core is to be a stator, or if iron core is selected to be a stator, the will be a runner. The iron core and the iron core are connected by magnetic magnetic-suspended bearing, air suspended bearing or other linear bearings.

Description

Technical field: [0001] The invention relates to a linear thruster which uses a combination of a permanent magnet and an electric excitation body to control the propulsion force. Background technique: [0002] The existing linear motor generates thrust by changing the relative position of the mover and stator in the electromagnetic field. It has the disadvantages of simple structure, single magnetic potential compensation, difficult control of magnetic potential, and small propulsive force. Invention content: [0003] In order to develop a high-efficiency linear thruster with good control characteristics, the present invention develops a new type of linear thruster. The invention obtains the compensation and controllability of the permanent magnet magnetic potential by rationally designing the electromagnetic structure. Therefore, under the premise of the same size, large propulsion force and good control characteristics can be obtained. The linear thruster includes a fir...

Claims

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Application Information

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IPC IPC(8): H02K41/02
Inventor 程树康李立毅崔淑梅张千帆杨振强吴红星
Owner HARBIN INST OF TECH