Material metering system

Material metering system

  • CN 101,606,046 A
  • Filed: 11/15/2007
  • Published: 12/16/2009
  • Est. Priority Date: 11/17/2006
  • Status: Active Application
First Claim
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1. a material metering system is supplied with material by the material escape hole from hopper to meter, material is measured at every turn a certain amount ofly;

  • In described material metering system, implement the multistage metering, promptly, the quality switching value is supplied with in each stage setting, when reaching this supply quality switching value, the quality by the meter metering that is provided with quality instrumentation mechanism just carries out the transition to next stage, when the material amount of falling that makes time per unit reduces interimly, metering one material in batches;

    After this batch metering finishes, by revising the above-mentioned quality switching value of respectively supplying with, can shorten next time the integral body metering time of a batch that measures, it is characterized in that,In the metering time in above-mentioned each stage except the initial stage, comprised from the unstabilized crank-up time of the amount of falling of the time per unit after the transition of last stage, in storage part, prepared the time value of this crank-up time is measured the time as the target in each stage of target lower limitMetering time instrumentation mechanism with instrumentation actual metered time in the metering in above-mentioned each stage;

    With one after in batches metering finishes, based on above-mentioned target metering time and above-mentioned actual metered time, algorithm in accordance with regulations, the setting value correction mechanism that the supply quality switching value in above-mentioned each stage except the initial stage is revised.

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