3、esignmentofHeatingenergyMeterageApplianceAbstract:Because of the urgent need of execution of divided family heat charging,working principle of one kind of prepaid fee type intelligent heat meter was introduced in detail.Base on the qualifications of heating sys
4、tem,design methodology of hardware and software were provided,which can improve the precision of measuring by proceeding automatic sectionalize adjustment to parameters such as temperature and flow,etc.Factors that effecting the precision of measurement were an
5、alyzed in the instances of foreign countries,questions should be noticed in design were pointed out.Heatmeterisintroducedsystematicallyontheory,sortandsomecorrelatedstandards,anditsparthavealsobeenexpatiatedontypeselectionandinstallationwhichwereignoredinpracti
6、caldesign.Heat meter is a kind ofintelligent instrument that measures quantity of released heat from a thermal current loop,which is mainly consisted of a flow meter,a pair of partner temperature sensors,a controlling MCU,and a LCD.The precision level of the he
7、at meter is directly decided by measurement accuracy of heat flux.Key Words:Heat Metering;SensingDevice;Single-Chipcomputer;Centralized Heat Supply;Energy Saving目录摘要…………………………………………………………………1Abstract……………………………………………………………2引言…………………………………………………………………3第一章热量计量仪表的