Dongguan xinman Electronic Co., Ltd.

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  • Address: Tangxia Town, Dongguan City, 101 Avenue
  • Contact person: Mr.Wen
  • Phone:13632396789
  • The main:Provide all kinds of active devices, passive components and electrical components and other electronic components

Low power solution ultrasonic water meter


Low power solution ultrasonic water meter
In 1, using SiM3L146 + ACAM GP22 or EFM32TG80F32 +ACAM GP22 scheme, according to ultrasonic after temperature compensation to calculate the difference between the total flow in the water downstream countercurrent time.
2, the average power consumption characteristics / advantage: < 30 uA; start < 2 L/h; range ratio: 125; precision grade: Grade 1 /2 class /
3;Or industrial ultrasonic flowmeter 3 households, the target application
4, block diagram
5 recommended products

功能模块

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功能及特点

中央处理单元

SILABS

precision 32位MCU

Silicon Labs 超低功耗  32bit MCU—SiM3L1xx 系列,该系列  MCU 基于 ARM CortexM3 内核,最高运行速率可达 50MIPS,内置多种时钟源,自带硬件乘除法器,最大 160 段 LCD driver,超低功耗(待机功耗低至 75nA ),集成多种外设。

EFM 32位MCU

Silicon Labs 超低功耗  32bit MCU—EFM32TG840Fxx 系列,该系列  MCU 基于 ARM CortexM3 内核,最高运行速率可达 32MIPS,内置多种时钟源,自带硬件乘除法器,最大 160 段 LCD driver,超低功耗(待机功耗低至 20nA ),集成多种外设。

数据采集

ACAM

TDC

德国ACAM公司的时间数字转换器TDC-GP22,采用CMOS工艺,内部集成比较器及施密特触发器。是一种可进行时间测量和温度测量的单芯片。对时间测量:精度高达22 ps;对温度测量:精度高达:0.004℃。

通信单元  

Silabs

Wireless

更低的接受功耗,更宽的频率范围,采用最新4GFSK技术,通讯速率最大1Mbps。

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Dongguan xinman Electronic Co., Ltd.  @ Copyright 2013 Visit quantity:

Headquartered in Hong Kong Tel:85221913683 Fax:85221849811 Add:18/F.,Siu Ying Commercial Building,151-155 Queen's Road Central, HongKong
Guangzhou Office Tel:020-82686602 Fax:020-82686603 E-mail:gz_xinman@aliyun.com Add: Guangzhou Zengcheng new pier Industrial District No. 13
Dongguan Office Tel:0769-82953511 Fax:0769-82953611 Add: University Road, Tangxia Town, Dongguan city Tong 101
Xiamen Office Tel: 0592-5390950 Fax:0592-5390950 Add: Hubin North Road, Siming District, Xiamen City, 101