Internal Combustion Engine Piston Temperature Self-Powered Wireless Telemetry Device
A technology of piston temperature and self-power supply, applied in measuring devices, electrical devices, thermometers, etc., can solve the problems of requiring even more than 100 hours, unfavorable multi-channel reliability measurement, and taking out the memory in the plug, so as to avoid the difficulty of output leads. , to ensure the effect of sustainability and safe use
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[0021] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific examples.
[0022] like figure 1 Shown is a self-powered wireless telemetry device for internal combustion engine piston temperature, which includes a power supply unit, a temperature signal acquisition unit, a wireless sending unit and a wireless receiving unit. The power supply unit includes a permanent magnet 1, an iron core coil 2 and a PCB board I6. The rectifier circuit 3, filter circuit 4 and voltage stabilizing circuit 5 are integrated in the PCB board I6. The iron core coil 2 is connected to the PCB board I6 through a high-temperature wire. The temperature signal acquisition unit includes a plurality of thermistors 7 , a multi-channel analog switch 8 , a constant current source circuit 9 , and a voltage amplification circuit 10 . The wireless transmitting unit includes a microprocessor I11, a crystal oscillator c...
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