便携高频止血器应急电源电路的设计与应用

目的：解决野外便携式高频止血器在无电源情况下的用电问题。方法：采用市电或汽车电瓶降压为锂离子电池充电和逆变供电相结合的方法随时应急供电。结果：使用交流电、洗车电瓶和锂离子电池均可以为高频止血器提供210～230V交流电,且平均功率达到120W以上的供电能力。结论：采用此设计不仅可以用于便携高频止血器装置,也可以作为野外作业的小型B超机、心电图机、电脑、应急照明等仪器的应急供电装置。

Design and application of emergency power circuit based on portable high-frequency hemostatic device

Objective：To solve power supply of portable high-frequency hemostatic device in the field without electricity. Methods： Utility power or car battery step-down was used for lithium ion batteries and combination with inverter power supply to provide the emergency power supply at any time. Results： Using alternating current, car battery and lithium ion battery was able to provide high frequency hemostatic device with 210～230 alternating votages and an average power above 120w. Conclusion： This design not only can be used in portable high-frequency hemostatic device but also can act as a field outside emergency power supply device for the small B ultrasonic machine, electrocardiogram machine, computer, emergency lighting equipment and so on.