MINIATURIZED LIQUID COOLING DEVICE HAVING DROPLET GENERATOR AND PIZEOELECTRIC MICROPUMP

摘要

A miniaturized liquid cooling device (200) includes a heat absorber (20), a heat dissipater (30), a liquid driving device and a plurality of tubes (60) connecting the heat absorber, the heat dissipater and the liquid driving device together to form a loop. The liquid driving device includes a droplet generator (40) and a piezoelectric micro-pump (50). The droplet generator includes a plurality of control electrodes (422) and a reference electrode layer (442) corresponding to the control electrodes. A fluid channel (425) is formed between the control electrodes and the reference electrode layer. The piezoelectric micro-pump includes a piezoelectric block (518) and an oscillating diaphragm (517) capable of co-oscillating with the piezoelectric block for driving the working fluid to unidirectionally flow through a channel (513) defined in the piezoelectric micro-pump.