Nozzle cleaning method, nozzle cleaning and automatic analysing apparatus

Nozzle cleaning method, nozzle cleaning and automatic analysing apparatus

  • CN 101,688,877 B
  • Filed: 04/23/2008
  • Issued: 06/22/2016
  • Est. Priority Date: 05/11/2007
  • Status: Active Grant
First Claim
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1. a nozzle cleaning method, is carried out the dispensing nozzle of the attraction and discharge that carry out liquid, it is characterised in that including:

  • First matting, after having attracted liquid and before discharging this liquid, is carried out the outside wall surface of above-mentioned dispensing nozzle;

    Second matting, after having discharged liquid, is carried out at least internal face of above-mentioned dispensing nozzle,Wherein said first matting includes being inserted in such rinser by described dispensing nozzle;

    this rinser provides two cleaning actions by carrying out the cleanout fluid of different units in self-stripping unit, and this rinser includes;

    Rinse bath, has the opening inserted for above-mentioned dispensing nozzle on top;

    Cleaning solution supplying unit is used in ejection, the top ejection cleanout fluid in said washing groove;

    Reservoir, is arranged in said washing groove and at the lower zone of cleanout fluid spray by above-mentioned ejection cleaning solution supplying unit, has the opening for the insertion of above-mentioned dispensing nozzle on top, and store cleanout fluid;

    AndStore and use cleaning solution supplying unit, above-mentioned reservoir is supplied cleanout fluid,Wherein said first matting comprises the following steps;

    Described dispensing nozzle is declined along its length direction and inserts and the opening above rinse bath enters into from the stream of the cleanout fluid of ejection cleaning solution supplying unit supply;

    The described dispensing nozzle declined it is inserted in the reservoir storing cleanout fluid along its length direction and is immersed in cleanout fluid, supply cleanout fluid always and make cleanout fluid flow out to the outside of the rinse bath being implemented within nozzle cleaning from the opening on the reservoir top of described storage cleanout fluid;

    AndMake described dispensing nozzle rise on its length direction and pull out from reservoir, move to from the stream of the cleanout fluid of described ejection cleaning solution supplying unit supply, and when dispensing nozzle is moved upwards up to from the stream of the cleanout fluid of ejection cleaning solution supplying unit supply, continue through the ejection cleaning solution supplying unit supply cleanout fluid in rinser, to clean the outer surface of dispensing nozzle further。

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