The invention provides a self-powered tire pressure monitoring system. The self-powered tire pressure monitoring system comprises a fixing device, a tire monitoring module, an energy storage device, and at least one power generation device; the fixing device is arranged on a tire hub in a tire; the tire monitoring module, the energy storage device, and at least one power generation device are fixedly arranged on the fixing device; electricity generation of the power generation device is realized via tire hub rotation and/or vibration, and the power generation device is used for providing an input end of the energy storage device with electric energy; the energy storage device is used for storing electric energy provided by the power generation device, and an output end of the energy storage device is used for providing the tire monitoring module with electric energy; operation of the tire monitoring module is realized under electric energy, and the tire monitoring module is used for monitoring pressure and temperature in the tire, and sending pressure signals and temperature signals. The self-powered tire pressure monitoring system is capable of converting mechanical energy generated via vehicle motion into electric energy, so that normal operation of the tire monitoring module in the tire is realized.
self-powered tire pressure monitoring system
2015-07-22
Patent
Electronic Resource
English
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