Toilet cleaning device

Toilet cleaning device

  • CN 101,008,188 A
  • Filed: 08/13/2002
  • Published: 08/01/2007
  • Est. Priority Date: 08/30/2001
  • Status: Active Application
First Claim
Patent Images

1. a closet bowl cleaning device is arranged at the open and close controlling that can supply with the water valve on the clean water pipe arrangement of cleaning water to the closet body, it is characterized by:

  • Near the space that setting possesses in the pelvic part of closet space or pelvic part peristome sends the transmitting mechanism of electric wave, and reception is by the receiving mechanism of the back wave of the electric wave that this transmitting mechanism sent, the doppler sensor of the corresponding difference signal of difference of the frequency of the signal that generation and this receiving mechanism are received and the frequency of the signal that aforementioned transmitting mechanism is sentAnd be provided with controlling organization, this controlling organization possesses frequency analysis mechanism, frequency analysis is carried out in output to aforementioned doppler sensor, be identified as the 1st signal and the 2nd signal of representing the frequency band that liquid flows of expression people'"'"'s the frequency band that moves, the output of the 2nd signal when closing according to water valve, utilize the liquid-flow state arithmetical organ to calculate the liquid-flow state in space in the pelvic part, control aforementioned water valve accordingly with this operation resultAforementioned liquid-flow state arithmetical organ possesses the time movement that instrumentation is judged the time in liquid when stream.

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