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Permanent magnet speed regulation device based on current adjustment type

A technology of current adjustment and permanent magnet speed regulation, applied in electromechanical devices, permanent magnet clutches/brakes, electrical components, etc. poor heat effect

Pending Publication Date: 2017-06-30
DALIAN JIAOTONG UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 1. Solve the large slip heating problem of the existing permanent magnet speed control device

Method used

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  • Permanent magnet speed regulation device based on current adjustment type
  • Permanent magnet speed regulation device based on current adjustment type
  • Permanent magnet speed regulation device based on current adjustment type

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Embodiment Construction

[0035] The present invention will be further described below in conjunction with accompanying drawing. Such as Figure 1-9 As shown, the permanent magnet speed regulating device based on the current adjustment type includes an outer rotor assembly, an inner rotor assembly and a base assembly; the outer rotor assembly is composed of a permanent magnet 6, an outer yoke 5 and a power input shaft 1; the inner rotor assembly is composed of a coil winding 8, an inner yoke 7 and a power output shaft 13; the base assembly is composed of a bottom plate 14, a left end bearing seat 3, a left end bearing 2, and a right end bearing seat 11 and the right-end bearing 12; the current adjusting device assembly is composed of a slip ring 10, a brush 9, an external variable resistance box 15, a winding lead 16, a brush lead 17, and a resistance box lead 18;

[0036] The outer rotor assembly includes a permanent magnet 6, an outer yoke 5 and a power input shaft 1, one end of the power input shaf...

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Abstract

The invention discloses a permanent magnet speed regulation device based on a current regulation type. The permanent magnet speed regulation device comprises an outer rotor assembly, an inner rotor assembly, a machine base assembly and a current regulation device assembly; the current regulation device assembly comprises a slide ring, an electric brush, an externally connected variable resistance box, a winding lead and an electric brush lead; the winding lead leads out each phase of current in a coil winding into the slide ring; an inner hole of the slide ring is fixedly connected to a power take-off shaft; the electric brush is installed on a brush frame, and has the effect of converting a motion state of the slide ring into a static state and leading out a current of the slide ring into the externally connected variable resistance box through the electric brush lead, and thus the problem is solved that an existing permanent magnet speed regulation device emits heat due to big slip. Since the speed regulation mode of the permanent magnet speed regulation device based on the current regulation type is current speed regulation in a static mode, not only are two kinds of axial force generated by the permanent magnet speed regulation device eliminated, but also friction and abrasion generated by a speed regulation mechanism spline pair in the existing permanent magnet speed regulation device against the power take-off shaft do not exist on the power take-off shaft.

Description

technical field [0001] The invention relates to a permanent magnet speed regulating device, in particular to a permanent magnet speed regulating device based on current regulation. Background technique [0002] Permanent magnet speed control devices are generally used for fans and pump loads, and have the advantages of light-load start-up, overload protection, shock absorption and torsional vibration isolation; because fans and pump loads have the characteristic that the shaft power is proportional to the cube of the speed , that is, after the speed is reduced, the shaft power decreases in a cubic manner. Therefore, the application of permanent magnet speed control devices on such load machinery can effectively change the backward transmission mode of "big horse-drawn trolleys", and the energy-saving effect is remarkable. [0003] The existing permanent magnet speed control device uses the Lorentz force generated when the rotating magnetic field formed by the rotation of the...

Claims

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Application Information

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IPC IPC(8): H02K49/10H02K49/02H02J3/38
CPCH02J3/38H02K49/02H02K49/106
Inventor 葛研军杨均悦周凯凯
Owner DALIAN JIAOTONG UNIVERSITY
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