A magnetic compression power generating mechanism with high power density and a generator including the same
A high power density, magnetic compression technology, applied in the field of wind power, can solve the problems of difficult to achieve high compact power source integration, large space occupation of power generation mechanism, low power density, etc., achieve compact structure, improve power generation power density, and high power density. Effect
Active Publication Date: 2020-12-22
BEIJING INSTITUTE OF TECHNOLOGYGY
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Problems solved by technology
This kind of integration method and the large space occupation of the power generation mechanism make it difficult to achieve high-compact power source integration, and the power density is relatively low, making it difficult to apply to hybrid unmanned vehicle power sources or on-board power supplies
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[0029] Refer to attached figure 1 and 2 As shown, the magnetic compression generator with high power density in this embodiment includes a stator core 1 and a mover core 6 .
[0030] The stator core 1 is a square annular iron core with a gap 11 on one side. The stator core 1 is fixed with a winding frame 3 that surrounds the coil winding 2. The winding frame 3 is provided with a gap 11 that is connected to the stator core Opposite to the through hole 31, the stator magnetic steel 4 is placed in the through hole 31.
[0031] The winding skeleton 3 is provided with grooves on the outer periphery, and the coil winding 2 is arranged in the grooves. The stator magnet 4 adopts a square magnet, and the square magnet is fixed in the square through hole 31 inside the winding frame 3 through interference fit. Moreover, the square through hole 31 is located at the center of the winding bobbin 3 .
[0032] The mover core 6 is set at the gap 11 of the stator core, and under the action ...
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The invention discloses a magnetic compression power generation mechanism with high power density. The magnetic compression power generation mechanism comprises a stator core and a mover core, the stator core is a square annular core with a notch on one side, a winding framework which a coil winding surrounds on the periphery is fixed in the stator core, a through hole opposite to the notch of thestator core is formed in the winding framework, and stator magnetic steel is placed in the through hole; the mover core is arranged at the notch of the stator core and performs high-frequency reciprocating motion along the notch of the stator core under the action of external force so that the attaching and the separation of the mover core and the stator magnetic steel can be achieved to allow the magnetic flux in the coil winding is changed violently in a short time and induce high electromotive force. The relative positions of the stator core, the stator magnetic steel and the coil windingare unchanged, the short-stroke linear reciprocating motion of the rotor iron core is achieved, so that the motion space of the rotor is minimized, the overall space utilization rate is improved, themagnetic compression power generation frequency is improved, and the power generation effect is improved. The power generation mechanism is compact in structure, light in weight and high in power density.
Description
technical field [0001] The invention relates to the technical field of wind power, in particular to a magnetic compression generating mechanism with high power density and a generator including the same. Background technique [0002] The common engine-generator mechanical integration is generally connected by a coupling or a belt, and the generator generates electricity by rotating and cutting the magnetic induction line. This kind of integration method and the space occupation of the power generation mechanism are large, it is difficult to achieve high compact power source integration, and the power density is relatively low, so it is difficult to apply to the power source of hybrid unmanned vehicles or vehicle power supply. [0003] Therefore, there is an urgent need to invent a new high power density magnetic compression power generating mechanism and a generator including it, so that it is highly compact, high power density, and small in size, and is suitable for use in ...
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IPC IPC(8): H02K35/06H02K1/16H02K1/17
CPCH02K1/165H02K1/17H02K35/06
Inventor 邹渊孙逢春董玉刚张旭东张彬
Owner BEIJING INSTITUTE OF TECHNOLOGYGY