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Permanent magnet speed governor for fixing magnetic gap

A permanent magnet speed governor and fixed magnetic technology, applied in electrical components, electromechanical devices, electromechanical transmission devices, etc., can solve the problems of high power consumption of magnetic circuit regulators, poor torque transmission capacity, waste of rare earth resources, etc., to save Installation space, improved torque transmission capacity, and the effect of saving rare earth materials

Active Publication Date: 2014-12-10
洁盟科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the commonly used permanent magnet governors realize the speed adjustment by adjusting the air gap. The power consumption of the magnetic circuit regulator is large, and there are disadvantages such as poor torque transmission capability, high assembly difficulty, and waste of a large amount of rare earth resources.

Method used

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  • Permanent magnet speed governor for fixing magnetic gap
  • Permanent magnet speed governor for fixing magnetic gap
  • Permanent magnet speed governor for fixing magnetic gap

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] A permanent magnet governor with a fixed magnetic gap, such as figure 1 , figure 2 , image 3 As shown, it includes a cylindrical conductor rotor 1 and a permanent magnet rotor inside. The permanent magnet rotor is fixed to the driven shaft 3 through a connecting rod. The permanent magnet rotor includes four permanent magnets 2, and the four permanent magnets surround the driven shaft. The shafts are evenly distributed around the circumference, and the two length ends of the permanent magnet 2 are N pole and S pole respectively, and the line connecting the two magnetic poles of the permanent magnet 2 is perpendicular to the driven shaft 3 . The two pole faces and the two length sides of the permanent magnet 2 are respectively provided with a fixed magnet conductor 4 and a movable magnet conductor 5, and the fixed magnet conductor is an annular magnet conductor which is arranged at both ends of the permanent magnet through the driven shaft. The movable magnetizer is a...

Embodiment 2

[0024] A permanent magnet governor with a fixed magnetic gap, such as Figure 4 , Figure 5 , Figure 6 As shown, the line connecting the two magnetic poles of the permanent magnet 2 is parallel to the driven shaft 3 . Other structures are the same as in Embodiment 1.

[0025] Such as Figure 7 The principle of the present invention shown is to change the reluctance of the magnetic circuit by moving the movable magnetic conductor 5 , and then change the magnetism displayed by the permanent magnet.

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Abstract

The invention relates to a permanent magnet speed governor for fixing a magnetic gap. The permanent magnet speed governor comprises a cylindrical conductor rotor and a p-m rotor in the conductor rotor; the p-m rotor comprises at least one permanent magnet; the two length ends of the permanent magnet are respectively an N pole and an S pole; fixed magnetizers and movable magnetizers are arranged on the two magnet pole end surfaces and two length sides of the permanent magnet, and can form a closed magnetic loop. As the permanent magnet speed governor adopts a fixed magnetic gap structure, the meshing area of the speed governor is greatly improved, the assembling difficulty is reduced, a rare earth material is reduced, and the torque transmission capability is greatly improved; a magnetic circuit adjusting structure is adopted, the power consumption of actuating and adjusting mechanisms is greatly reduced, and the size of each actuating and adjusting mechanism is reduced to the utmost extent, so that the whole size of the speed governor is greatly reduced, not only the material consumption is reduced, the mounting space is saved, and convenience is brought to the construction of field mounting.

Description

technical field [0001] The invention relates to a permanent magnet governor, in particular to a permanent magnet governor with a fixed magnetic gap. Background technique [0002] The permanent magnet speed governor uses the magnetic coupling speed of the permanent magnet to realize the soft (magnetic) connection between the motor and the load, without any harmonic generation affecting the power grid, and has high reliability. , Inflammable and explosive, voltage instability and lightning and other harsh environments, greatly reducing mechanical vibration, widely used in electric power, steel, metallurgy, petrochemical, papermaking, municipal, ships, irrigation and mining industries. At present, the commonly used permanent magnet governors realize the speed adjustment by adjusting the air gap. The magnetic circuit regulator consumes a lot of power, and has disadvantages such as poor torque transmission capability, high assembly difficulty, and waste of a large amount of rare ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02K51/00
Inventor 刁俊起
Owner 洁盟科技有限公司
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