基于MSP430的多探头核辐射剂量率仪研制

摘要

为满足核辐射探测仪便携化,智能化的要求,探讨了以MSP430F169单片机为核心的多探头核辐射剂量率仪的软硬件实现方法.在介绍了整个系统的基础上,对仪器设计中的关键问题进行了详细说明,重点讨论了通过单片机给多个探头供高压电的原理和分别连接多个探头后数据传输的实现方法,并给出了单片机外围电路的原理图.试验证明,该仪器完全可以用于核辐射探测领域,且具有小型化、数字化、低功耗等优点.%To meet the intelligent and portable requirements of nuclear radiation detecting instruments, the hardware and software implementation methods about MSP430F169-based multi-probe nuclear radiation survey meter is discussed.On the basis of introducing whole system, the key issues in instrument design is described in detail, the principle which provided highvoltage for multiple probes with MCU and the implementation of data transmission connected with multiple probes are discussed,in addition,the schematic of MCU peripheral circuits are also presented.The experiment proves that this instrument can be used in the field of nuclear radiation deteetion completely,and it has many advantages such as miniaturizatian, digital,low power consumption, etc.