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电子药物输送系统

概览

描述

对于医疗药物输送设备而言,如输液泵或胰岛素泵,精确的剂量至关重要。 药物输送测量和剂量电机的精确控制是必需的。 电机通常为三相 BLDC(无刷直流)类型,功率为几瓦(例如使用 12V)。 对于流量传感,可使用工厂校准传感器或定制传感器。 可能还需要蓝牙®通信,通过智能手机提供最新的图形用户界面(GUI)以及其他接口(如以太网或医用级隔离 USB)。 一些终端产品可能还需要不间断电源(例如,使用锂离子电池)。

该设计使用两个 MCU 的组合,其中包括用于电机控制和传感器测量的最新 RA6M3 ,以及用于蓝牙低功耗(LE)5 通信的 RX23W 。 它还包括模拟元件,如 DC/DC 稳压器、锂离子电池充电器、MOSFET 桥式驱动器和工厂校准的流量传感器。

系统优势:

  • 支持两种泵类型:输液泵和胰岛素泵
  • 无刷直流电机或永磁同步电机的电机控制,带有模拟或霍尔传感器/编码器,可选档位(也具有高传动比)
  • 流量测量:集成传感器或使用集成有AFE的MCU进行用户定制传感器设置
  • 通信方式:蓝牙 LE 5、Wi-Fi、以太网(例如,用于输液泵),以及多个串行接口,支持可选的 NB-IoT 和隔离式 USB 接口
  • HMI:LCD(用于输液泵)和触摸和/或手势控制,确保更好的无菌环境
  • 可选电池管理(例如,用于不间断供电的 2 节锂离子电池)

产品对比

应用

方框图

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该板卡已上线云上实验室(Lab on the Cloud),使用我们的 PC 图形界面,无需实体板卡,便可在虚拟实验室中立即开始配置和测试设计。
4:3 ratio Connector Line.406 Connector Line.390 Connector Line.391 Connector Line.392 Connector Line.385 Connector Line.382 Ext. Supply Ext. Supply e.g. 5V, 12V or 24V Ext. Supplye.g. 5V, 12V or 24V Connector Line.170 Connector Line.326 Connector Line.327 Vertical Wire Bundle 2 2 2 Sheet.175 Vertical Wire Bundle.332 2 2 2 Sheet.178 Vertical Wire Bundle.335 2 2 2 Sheet.181 Connector Line.339 Connector Line.340 Motor Sheet.185 Sheet.186 M M Connector Line.344 BLDC Motor BLDC Motor BLDC Motor Vertical Wire Bundle.346 6 6 6 Sheet.191 Vertical Wire Bundle.349 3 3 3 Sheet.194 Connector Line.352 Buck-Boost Battery Charger Buck-Boost Battery Charger Buck-Boost Battery Charger Connector Line.386 Connector Line.387 Connector 1.160 Connector 1.389 Vertical Wire Bundle.393 2 2 2 Sheet.206 Vertical Wire Bundle.396 2 2 2 Sheet.209 Vertical Wire Bundle.399 2 2 2 Sheet.212 Connector Line.402 Connector 1.403 12V 12V 12V 3V3 3V3 3V3 Connector Line.409 Connector 1.410 Buck Regulator Buck Regulator Buck Regulator Buck-Boost Regulator Buck-Boost Regulator Buck-Boost Regulator Passive Filter Passive Filter Passive Filter Half-Bridge Driver Half-Bridge Driver Half-Bridge Driver Half Bridge Driver Half-Bridge Driver Half-Bridge Driver Half-Bridge Driver Half-Bridge Driver Half-Bridge Driver Sensor Sensor Sensor MOSFET Bank x6 MOSFET Bank x6 MOSFETBank x6 Connector Line.416 Connector 1.417 Vertical Wire Bundle.418 3 3 3 Sheet.231 Connector Line.156 Connector Line Connector Line.134 Connector Line.135 Sheet.1 Sheet.2 Sheet.3 Sheet.4 EU017 EU017 EU017 Sheet.139 MCU 1 MCU MCU BLE 5.0 PHY BLE 5.0 PHY BLE 5.0 PHY VDD VDD VDD SPI SPI SPI Connector Line.149 Connector Line.150 Connector Line.151 Antenna Antenna Antenna I/F for Wi-Fi, LTE-NB,... I/F for Wi-Fi, LTE-NB,... I/F for Wi-Fi, LTE-NB,... Isolated USB I/F Isolated USB I/F Isolated USB I/F LCD LCD LCD CapTouch Sensors CapTouch Sensors CapTouch Sensors Cat5/7 PHY Cat5/7 PHY Cat5/7 PHY Flow Sensor Flow Sensor Flow Sensor Optional Connector 1.233 Connector dotted line.234 Battery 2-Cell Sheet.236 Sheet.237 Sheet.238 Sheet.239 Line 1pt.1552 Line 1pt.1608 2 Li-ion Cells 2 Li-ion Cells 2 Li-ion Cells Connector Arrow Connector Line.244 Connector dotted arrow Optional Optional Optional Connector dotted line.247 Sheet.248 MCU 2 MCU MCU SPI SPI SPI VDD VDD VDD 6x PWM 6x PWM 6x PWM 3x ADC 3x ADC 3x ADC Cap Touch Cap Touch Cap Touch Ethernet Ethernet Ethernet LCD I/F LCD I/F LCD I/F Flow Sensor I/F or ADC Flow Sensor I/F or ADC Flow Sensor I/F or ADC
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