基于ARM的氦氖激光器电源设计

High Voltage Power Supply of He-Ne Laser Based on ARM

氦氖激光器加速寿命试验系统要求电源输出电压高、电流恒定、调节范围宽且能实时采集电源自身和激光器工作参数,针对上述要求,设计了一种基于ARM的氦氖激光器数字化高压电源。该电源分为高压电源电路和数字控制电路,高压电源电路为激光器工作提供所需高压,数字控制电路为高压电源电路提供控制信号,采集电源工作参数。并给出了一种简单、高效的调流控制电路,该电路具有调流范围宽,恒流效果好的特点。试验结果验证了该电源的设计满足加速寿命试验系统对电源的要求。

He-Ne laser accelerated life testing system requires such laser power supply which has the constant output current and wide adjusting range.Thus, a He-Ne laser digital power supply based on ARM is designed, including high voltage power supply part and digital control section.High voltage power circuits provide the necessary voltage of laser＇s work.Digital control circuits provide control signal of high voltage power supply circuit and collect power working parameters.And a simple,efficient adjusting current control circuit is given.Test results show that the design of the power supply meets the accelerated life tests for Dower system reauirements.