| 摘要 |
A driver for a bicycle dynamo connected to the dynamo includes a first driven wheel (132) and a second wheel (136) driving the first wheel (132). The first wheel (132) is mounted on the dynamo. A first magnetic area is set on the surface of the first wheel (132). The second wheel (136) is arranged in a distance from the first wheel (132). A second magnetic area (137a) is set on the second wheel (136). The second magnetic area (137a) is opposite to the first magnetic area (134). When the second wheel (136) is rotated by a user through the pedal, the second magnetic area (137a) rotates. The magnetic force generated between the second magnetic (137a) and the first magnetic (134) drives the first magnetic area (134) rotating to drive the dynamo connected to the first wheel working.
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