智能燃气表和水表解决方案

Release time：2018-10-09
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source：Ameya360
reading：1770

1、前言

流量计是用于测量某个特定时间或一段时间的天然气用量或自来水用量的装置。测量值将通过低功耗段式 LCD 显示。该 LCD 通常由 MCU 上的段式 LCD 驱动器驱动. 先进的流量计整合了射频通信接口，用于连接单向或双向射频计量表读数系统。

智能燃气表和水表解决方案

2、方案概述

（1）流量计

流量计是用于测量某个特定时间或一段时间的天然气用量或自来水用量的装置。测量值将通过低功耗段式 LCD 显示。该 LCD 通常由 MCU 上的段式 LCD 驱动器驱动。

先进的流量计整合了射频通信接口，用于连接单向或双向射频计量表读数系统。计量表的最新发展趋势是采用先进的加速度传感器来检测细微的运动和记录篡改事件。

智能燃气表和水表解决方案

（2）重要设计参数

· 系统中器件的成本

· 系统中器件在恶劣室外环境下的可靠性

· 系统的电池使用时间超过 10 年

· 防篡改安全机制

· 通信接口要求

· 能够在现场扩展和更新系统

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