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Magnetic force transmission type tire pressure sensor device and related setting tool and setting method

  • US 9,421,831 B2
  • Filed: 06/14/2013
  • Issued: 08/23/2016
  • Est. Priority Date: 06/14/2013
  • Status: Expired due to Fees
First Claim
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1. A tire pressure sensor device setting tool, comprising:

  • a microcontroller unit;

    a memory unit electrically connected to said microcontroller unit and adapted to store the ID of a tire pressure sensor device and related communication protocol data;

    a display unit electrically connected to said microcontroller unit and adapted to display the operating data of the setting tool;

    a magnetic force transmitter unit electrically connected to said microcontroller unit and controllable by said microcontroller unit to transmit lines of magnetic flux;

    a low-frequency transmission interface electrically connected to said microcontroller unit and adapted to receive a low-frequency feedback signal transmitted by said tire pressure sensor device;

    first to fourth switches electrically connected to the microcontroller unit and adapted to control first to fourth transistors, the third and fourth transistors being grounded; and

    a bridge circuit electrically connected to the microcontroller unit and being formed of the magnetic force transmitter unit,wherein said magnetic force transmitter unit is an electromagnet,wherein if the microcontroller unit controls the first and fourth transistors to be electrically conducted and the second and third transistors to be electrically disconducted, the electromagnet is electrically conducted, and the magnetic force sensor unit becomes the N pole and then outputs Hi to the microcontroller unit,wherein if the microcontroller unit controls the first and fourth transistors to be electrically disconducted, and the second and third transistors to be electrically conducted, the electromagnet is electrically conducted, and the magnetic force sensor unit becomes the S pole and then outputs Lo to the microcontroller unit,wherein the magnetic force transmitter unit is controlled to transmit a predetermined control program to the tire pressure sensor device, andwherein, after receiving a waveform outputted by the magnetic force sensor unit, the microcontroller unit restores the original control program by calculation, and then stores the control program in the memory unit.

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