Generator structure

Abstract

This invention relates to a generator structure including at least a magnet with over two magnetizing pole numbers and at least one claw-pole set composed of a set of internal claw poles and a set of outer claw poles set interluded and used in guiding magnetic flux, in which, said internal claw pole is connected with a core with the outer diameter smaller than the magnet for conducting the loop of the internal and outer claw poles, and a solenoid coil is winded around the core and pole numbers of the internal or the outer pole is half of the charged pole number of the magnet, when the magnet moves relatively to the claw poles, induction electromotive force is generated by continuous change of flux in the solenoid.

Description

technical field [0001] The present invention relates to a generator structure, in particular to a generator with multi-pole magnetized magnets in flat circular or other geometric forms, integrated with the iron core, and claw pole groups wrapped outside the solenoid Design, its overall design is simple, easy to manufacture, small in size, relatively good voltage output performance at low speed, suitable for generator application or manufacturing and other related technical fields. Background technique [0002] With the promotion of less battery movement, the design of miniaturized and high-efficiency generators has become an important issue. One of the product examples is bicycle generators, and the built-in hub generator is recognized as a design method with less resistance and more beautiful appearance. In the limited space of the hub, in accordance with the relevant bicycle lighting regulations, it must be able to drive a 12Ω (ohm) light bulb at a low speed (about 5Km / h),...

AI Technical Summary

Problems solved by technology

[0004] 1. The magnet is a round tube that wraps around the stator core, which is bulky and expensive to manufacture;

[0005] 2. The magnetic force line is guided by the pole piece (claw pole) and passes through more than two turns in the geometric direction, thus reducing the magnetic flux passing through the solenoid core;

[0006] 3. Because the stator core must be made into a 3D shape, and the number of magnetic flux guidance turns is more than two times, and the magnetic field between each pole piece (claw pole) is easy to interfere with each other, making the whole efficiency low

[0008] see more Figure 5 , U.S. Early Publication No. 20040135452 "Flat Rotary Electric Generator", said patent provides a flat rotary generator design, each corresponding magnetic pole set 2 will cooperate with a solenoid coil 1, because the solenoid coil 1 The winding has a certain size limit. When adopting a multi-pole design configuration, the size of the hollow part after the diameter of the hollow part is divided into equal parts, so it is difficult to effectively reduce the overall diameter. In order to increase the power generation, the volume must be increased. Therefore, the structure cannot achieve both battery miniaturization and power density

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