2、/33)和24位(CS5532/34)的性能,在传感器选用上,使用了电磁式传感器测流量,Pt1000传感器测温度,用电动阀对流量及温度进行控制,并通过LCD在满足一定精度的条件下显示相关数据。热量表是计量热流回路所释放热量的智能仪器。它主要由流量传感器、配对温度传感器、主控MCU和液晶显示等部分组成。其中流量计量的准确程序直接决定了热量表的精度等级。关键词:热量表;A/D转换;传感器;单片机;热量采集;节能Title:TheResearch&DesignmentofHeatingenergyMeterageApplianceAbstract:Because of the urgent
3、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 system,design methodology of hardware and software were provided,which can improve the precision of measuring
4、by proceeding automatic sectionalize adjustment to parameters such as temperature and flow,etc.Factors that effecting the precision of measurement were analyzed in the instances of foreign countries,questions should be noticed in design were pointed out.Heatmeterisintroducedsystematicallyontheor
5、y,sortandsomecorrelatedstandards,anditsparthavealsobeenexpatiatedontypeselectionandinstallationwhichwereignoredinpracticaldesign.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 p
6、artner temperature sensors,a controlling MCU,and a LCD.The precision level of the heat 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…………………………………