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Electric machinery of first efficient and energy-saving three-dimensional perman
From;    Author:Stand originally
The pumping unit that heading tremendous horsehead is incompact go up not slow to moving, it is the typical oil field landscape in people brain. The delay as oil extraction machine fast motion, oil is put forward from the place end the ground, into the important the sources of energy that for the mankind modern life cannot lack surely. But the machine taking report that pumping unit itself also is a big appetite, according to statistic, only Daqing oil field, bad news charge of electricity of a year uses traditional pumping unit is 600 100 million. But this lasted hopeful of old word of be astonished number succeeds as Zhejiang university development " electric machinery of three-dimensional permanent magnetism " gain ground to use and be reduced 50% .

"Electric machinery of three-dimensional permanent magnetism " inventor, cheng institute teachs Zhejiang university electrician Xie Yunyue says, pumping unit is the main equipment that oil field produces, the drive of pumping unit is to pass the reducer of old speed ratio to come true. From the analysis on facility cost, because want to realize delay fast sharp movement, reducer casing, leather belt annulus, 20 Yu Michang's walking beam, horsehead, it is the mechanical part that cannot lack surely, and among them only reducer casing, already as equal in value as electromotor; From athletic cost worthwhile, because of leave out a variety of intermediate link, "Electric machinery of three-dimensional permanent magnetism " drop without work loss 92.5% , power consumption of have rendered great service dropped 50% above. Not only such, because of the change of rigid structure, a machine decreases cover an area of a face to accumulate nearly one mu.

Should explain " electric machinery of three-dimensional permanent magnetism " principle, want to speak of from the distinction of traditional electric machinery and linear electric machinery. 1821, british scientist Faraday proved electric power can transform for whirligig. After this, dc machine and alternating current machine come out in succession, but roll is when they are working, apply to with rotate the tool of drive, for instance car, propeller is waited a moment. But if need to do linear exercise, transmit belt, crane to wait for instance, the one suit buy that increases to turn into whirligig to move point-blank with respect to need. A few years ago, the electric machinery that scientist development goes a kind to be used technically at sharp movement -- linear electric machinery, wait in post-office, airport get applied, train of magnetism in suspension comes with linear electric machinery namely of drive. With rotate electric machinery photograph is compared, it does not need the intermediate changeover device such as the connecting rod that includes gear inside, can transform electric energy directly the mechanical energy that is sharp movement.

Electric institute teachs Zhejiang college Xie Yunyue's name, the development of as linear as China from beginning to end electric machinery is contacted together. Calculate from his project case, foliaceous professor is engaged in this group, had had 30 years. "Gu Ge " " Xie Yunyue " , occurrence entry all without exception and " linear electric machinery " connection is together. Theory of a few years studies with what use band, linear electric machinery and group of research of contemporary drive institute became the Zhejiang college that makes he is guided our country research organization of top class linear electric machinery. Coach in his and participate in below, was born to our country's biggest linear electric machinery produces a business and become the company that appears on the market in Nasidake. Regard a project as chief, he besides finish, participate in achieved multinomial nation 863 projects and Zhejiang province, Guizhou Province is great and special outside, still was born many the first: Punch of first linear electric machinery of world, world head stage exceeds pumping unit of electric machinery of permanent magnetism of energy-saving double entry; Domestic head homebred change high speed postal bag brushs sorting machine, the surplus of magnetism of synchronous and linear electric machinery that home develops the first times by oneself experiments line, line of test of subway of the first linear electric machinery of domestic.
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