Double-rotor electromagnetic heating machine

An electromagnetic heat engine and double-rotor technology, applied to electrical components, electromechanical devices, induction heating, etc., can solve the problems of complex structure, difficult processing, and low utilization rate of rotor permanent magnets

Inactive Publication Date: 2015-04-22
HARBIN INST OF TECH AT WEIHAI
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Problems solved by technology

[0003] In order to solve the problems of low utilization rate of rotor permanent magnets in the existing electromagnetic heat engine, complex structure and difficult processing, and further improve the heat exchange efficiency and work efficiency of the electromagnetic heat engine, the invention provides a dual-rotor electromagnetic heat engine based on the halbach magnet structure

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Embodiment Construction

[0034] The specific embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0035] The present invention is mainly composed of a first end cover (1), a first bearing (2), a first support (3), a second bearing (4), a housing (5), an outer rotor (6), and an outer circumferential permanent magnet ( 7) Stator core (8), inner circumference permanent magnet (9), inner rotor (10), third bearing (11), second support (12), third support (13), second end cover (14), fourth bearing (15), rotating shaft (16), inner air gap (17), outer air gap (18), heat exchange pipe (19), electrical conductor (20), short-circuit ring (21), inlet (22), export (23) composition. The rotor and stator of the present invention can be made of block magnetic materials such as 10# steel, or silicon steel sheet magnetic materials such as DW-315; the shell, end cover, support, and shaft parts can be made of aluminum alloy or stainless steel. ; P...

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Abstract

The invention belongs to the technical field of electromagnetic induction heating, and discloses a double-rotor electromagnetic heating machine. The heating machine totally converts input mechanical energy into thermal energy and transmits the thermal energy through a fluid heat-transfer medium. The heating machine adopts a double-rotor and double-air-gap structure, and a permanent magnetic rotor adopts a halbach magnetic structure to improve the utilization rate of a permanent magnet and reduce use quantity of iron cores of the rotor. When the rotor is driven by external mechanical power, a stator of the heating machine is located in an alternating magnetic field formed by a rotary permanent magnetic field. Heating is carried out through hysteresis, the eddy-current effect and the current thermal effect of a closed electric conductor in the stator. A baffling plate type heat exchanging channel is arranged in the stator so as to enlarge a heat exchanging area and improve heat exchange efficiency. The heating machine has the advantages of being simple in structure, easy to machine, high in utilization rate of the permanent magnet, high in heat exchange efficiency, capable of being used as small domestic heating equipment, and also capable of being used in fields such as mariculture, heating in work stations in alpine regions and warm water irrigation in high-latitude regions, and the like.

Description

Technical field [0001] The invention relates to electromagnetic induction heating technology, in particular to a fluid heating technology based on rotating electromagnetic induction heating. Background technique [0002] The electromagnetic heat engine uses wind energy, water energy or other energy sources to drive the permanent magnet rotor to rotate, establish a rotating magnetic field, and use the hysteresis and eddy current effects generated in the magnetic conductive material to generate heat. The existing electromagnetic heat engine mainly has two structures: one is to use a simple single stator and single air gap structure, which has low material and space utilization; the other is to use a cup-shaped rotor with dual stators and dual air The structure of the gap can use the thermal energy of the space occupied by the rotor core to increase the effective utilization of materials and space, and improve the heating efficiency. However, its structure is complex, contains multi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B6/02H02K16/02F24H9/18
Inventor 杜海张鹏曲延滨李军远程树康
Owner HARBIN INST OF TECH AT WEIHAI
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