How to charge shared bicycles

Under the wave of mobile Internet, smart travel has become a fashionable way of life. Mobile maps, Didi Chuxing, shared bicycles, etc. are the products of this wave. Since the second half of 2016, shared bicycles have sprung up like mushrooms after a rain, with all kinds of people riding all kinds of bicycles appearing in the streets and alleys of the city. From the beeping sound when unlocking and locking the shared bicycle, to the real-time communication between the bicycle and the platform, these all require the supply of electricity, so where does this electricity come from?

The first type, Mobike generation, generator on the rear wheel:

Install a generator hub on the rear wheel, and then ride normally It works less or not at all when braking, and works at full capacity when braking, so this kind of bike is a little heavier when riding, and the feel when braking is different from ordinary bicycles:

General bicycles, no matter you The harder you press the brake, the frictional deceleration characteristics will not be changed: the faster the vehicle speed, the worse the braking effect. When parking, the braking effect is the strongest. Braking force is inversely proportional to vehicle speed. This is a common feature of bicycles in general, and indeed of all machines that produce braking effects through friction.

However, the rear wheel braking effect of Mobike is almost the opposite in terms of feeling: the faster the vehicle speed, the stronger the braking effect. When parking, you can’t feel the braking force at all. And this braking force is not explosive. No matter how hard you apply the brakes, the braking force seems to only switch between yes and no, and does not increase with the intensity of the brakes, nor does it break through a stable range, causing situations such as wheel locking.

The second type, Mobike Lite version, Xiaolan, the solar panel at the bottom of the basket:

The Lite model adopts the same design as the old model It has patents, smart locks and technology platforms, but its design is closer to a traditional bicycle, with a basket added, and the self-charging system is changed to solar power (the power generation panel is located at the bottom of the basket).

The third type does not require power supply:

Take the ofo generation as an example, it uses a mechanical lock, and the user uses the password to manually rotate the machine The bicycle can be unlocked by simply locking the bicycle. When the ride is finished, the bicycle can be locked by manually swiping the lock plate. During the entire process, the bicycle communicates with the platform through the mobile phone as a medium and does not emit a beep, so it does not require power supply.

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