Liquid level gauge, agricultural plant protection machine and liquid level determination methods

Liquid level gauge, agricultural plant protection machine and liquid level determination methods

  • CN 107,110,695 A
  • Filed: 11/24/2016
  • Published: 08/29/2017
  • Est. Priority Date: 11/24/2016
  • Status: Active Application
First Claim
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1. a kind of liquid level gauge, it is used to be installed on water tank to detect the liquid level of liquid in water tank, it is characterised in that including:

  • GuDetermine portion, float portion, Hall sensor and magnet;

    The fixed part is used to be fixedly installed on the water tank, the float portionBeing connected to the fixed part is used under the buoyancy of liquid rotate around the fixed part, and the Hall sensor is arranged at described solidDetermine in portion, the magnet is arranged in the float portion;

    When the float portion is rotated relative to the fixed part, the magnetN poles and the distance of S poles and the Hall sensor be changed so that the Hall sensor carries out switch motion to showWhether the liquid level for stating liquid in water tank reaches default liquid level.

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