ALP K2 WS-910 - Page 7

info910‐ 08.itd
a)PreSSureSensor
ElasuccapSuleCapsuleisinflatedbypressure.
ParallelPlatevariablecapacitor;
Gapofparallelplatearechangedbyinflation.
CRoscillator;
Oscillationfrequencyarechangedbycapacitancechange
FrequencyCounter;
Frequencyarecountedbycounteranddigitaloutputistook
intothecomputer
(TheCOunterisincludedintothecomputerICchip)
b)omers
Powersupplycontrolcircuit;
Receivesthecontrolsignalfromthelnicrocomputertoturl■
the
poweronandofftounitsotherthanthernicrocomputer.
Displaり Unit;
Displayscuffpressure,maxilnuΠ
lbloodpressure,mllnum
bloodpressure,pulserateandinforllnationmessages.
Electromagnetlcdeflationcontrolvalve(ECV)d Vecircuit;
ECVd vecircuitcontrolsthealrexl■
austspeedregularly
dungbloodpressurerneasuringbythecontrollingsignalfrom
tllellnicrocomputer.
Itexhauststhealrrapid
after■
lemeasuringorwhen‖
Err"
indicating.
Pumpdvecicuit;
Controlsstaringandstoppingofthepump.
C)MiCrOcOmputer
Accordingto■
einformatlonreceived,thelnicrocomputer
controlstheP/Fconverter,bloodpressurerneasuringsequence
andLCDdisplaydrive.
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