The invention discloses a vehicle-mounted real-time tire pressure monitoring device, which comprises a sensor, a signal collection module, a frequency conversion module, a central processing module and a display module, wherein the sensor comprises two metal rings which are axially oppositely arranged, and a piezoelectric ceramic ring is arranged between the two metal rings; the outer diameter of the piezoelectric ceramic ring is equal to that of each metal ring; an electrode ring sheet is arranged between each of two axial ends of the piezoelectric ceramic ring and the corresponding metal ring; the sensor is connected with the signal collection module, the frequency conversion module, the central processing module and the display module in sequence; the frequency conversion module is composed of a power amplifier, a primary filter, a low frequency amplifier, a frequency mixer, a secondary filter and a medium frequency amplifier; the power amplifier is connected with the signal collection module; the medium frequency amplifier is connected with the central processing module. The vehicle-mounted real-time tire pressure monitoring device is good in sealing effect, high in measuring precision and stable in data measuring; a traffic accident is avoided and no environment pollution is caused.
Vehicle-mounted real-time tire pressure monitoring device
2015-09-16
Patent
Elektronische Ressource
Englisch
IPC: | B60C VEHICLE TYRES , Fahrzeugreifen |
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