首页>
外国专利>
Drive method and drive circuit of peltier element, attaching structure of peltier module and electronic device handling apparatus
Drive method and drive circuit of peltier element, attaching structure of peltier module and electronic device handling apparatus
展开▼
机译:珀尔帖元件的驱动方法和驱动电路,珀尔帖模块的附接结构和电子设备处理设备
展开▼
页面导航
摘要
著录项
相似文献
摘要
By limiting a current change rate of a power to be supplied to a peltier element by using a pulse width control means for controlling to increase/decrease a pulse width of a pulse signal so that a temperature change of the peltier element does not exceed a predetermined temperature gradient and a switching means for controlling to turn on/off a drive current to be supplied to the peltier element based on a pulse signal having a pulse width controlled by the pulse width control means, an abrupt change of a rate of expansion and a rate of shrinkage of respective parts of the peltier element are suppressed and a stress imposed to the peltier element can be reduced, consequently, a lifetime of the peltier element can be maintained long.
展开▼