Capacitance distance measuring method and device

Capacitance distance measuring method and device

  • CN 101,382,411 A
  • Filed: 09/06/2007
  • Published: 03/11/2009
  • Est. Priority Date: 09/06/2007
  • Status: Active Grant
First Claim
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1. , a kind of capacitance distance measuring device is characterized in that, this device comprises:

  • analog and digital signal converter, reforming unit, microcontroller;

    Wherein,The analog and digital signal converter connects testing capacitance and reforming unit, is used for changing the testing capacitance value into digital signal;

    Reforming unit connects microcontroller, is used for capacitance parameter is converted into measurement parameter, and this measurement parameter is sent to microcontroller;

    Microcontroller is according to relational expression computed range and the output of distance with measurement parameter.

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