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瑞薩R8C系列單片機(jī)的熱量表解決方案

作者: 時(shí)間:2022-06-13 來源:科通 收藏

方案描述:

本文引用地址:http://m.butianyuan.cn/article/202206/435103.htm

Renesas' range of low power 8/16-bit microcontrollers offers the optimized functions including A/D converter for measuring water temperature, serial communication interfaces, and LCD controller for displaying data. A heat meter is essential for managing the heat level and billing data of a heating system. In addition to basic functions for sensing water temperature, flow, and measuring heat units, a variety of other functions are also in demand for heat meters. The high-demand functions include display of spot temperature, flow rate, and wired or wireless connection with a central control unit. 熱量表,是計(jì)算熱量的儀表。熱量表的工作原理:將一對(duì)溫度傳感器分別安裝在通過載熱流體的上行管和下行管上,流量計(jì)安裝在流體入口或回流管上(流量計(jì)安裝的位置不同,最終的測(cè)量結(jié)果也不同),流量計(jì)發(fā)出與流量成正比的脈沖信號(hào),一對(duì)溫度傳感器給出表示溫度高低的模擬信號(hào),而積算儀采集來自流量和溫度傳感器的信號(hào),利用積算公式算出熱交換系統(tǒng)獲得的熱量。

方案設(shè)計(jì)圖:

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方案關(guān)鍵器件表:

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