A self-powered device for shared bicycle positioning and tracking system

Abstract

The present invention relates to a self-powered device for a shared bicycle positioning and tracking system and belongs to the field of piezoelectric power generation. An upper cover and a bottom cover are arranged on the two sides of a sleeve. A convex ring is arranged on the bottom wall of the upper cover. The bottom wall of the bottom cover is provided with a convex ring 1 and a convex ring 2. The convex ring on the upper cover and the convex ring 1 on the bottom cover are provided with fixed magnets. The convex ring 2 on the bottom cover is provided with a circuit board. The two ends of a guide column are fixed on the upper cover and the bottom cover. A balance spring, an inertia block and a limiting spring are sleeved onto the guide column from bottom to top. The balance spring and the limiting spring are belleville springs. The two ends of the inertia block are provided with movable magnets. The opposite magnetic poles of the movable magnets and the fixed magnets are oppositely arranged. A convex ring is arranged on the side edge of the inertia block. Piezoelectric vibrators are arranged on the two sides of the convex ring. Each piezoelectric vibrator is composed of a substrate and a piezoelectric film, wherein the substrate and the piezoelectric film are stuck together and the substrate is arranged closer to the convex ring. The free end of each piezoelectric vibrator is provided with a top block. Piezoelectric vibrators on the upper side and the lower side are pressed against the annular disc of the sleeve through top blocks.

Description

technical field [0001] The invention belongs to the fields of bicycle electronics technology and piezoelectric power generation technology, and in particular relates to a self-power supply device for a shared bicycle positioning and tracking system. Background technique [0002] In recent years, shared bicycles have been rapidly applied and promoted in people's lives, but random parking of bicycles and incidents of vandalism and theft also occur frequently. In order to better maintain and manage shared bicycles, the Shanghai Bicycle Industry Association clearly stipulates that shared bicycles must be equipped with on-board satellite positioning systems, which will help the government implement "electronic fence" management on shared bicycles. It can be seen that the positioning system is particularly important for the maintenance and management of shared bicycles. At present, more than 50% of shared bicycles on the market use satellite positioning technology, but the propor...

AI Technical Summary

Problems solved by technology

At present, more than 50% of shared bicycles on the market use satellite positioning technology, but the proportion of successful search by map is still low. The main reason is that the existing bicycle positioning system is powered by batteries and cannot continue to work when the battery is exhausted; When the shared bicycle positioning system is powered by batteries, it not only needs to be replaced frequently, which wastes a lot of manpower and material resources, but also causes serious environmental pollution if the discarded chemical batteries are not properly disposed of.

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