| 摘要 |
PURPOSE:To obtain a blower adapted for local cooling of a narrow part having small current consumption with a simple structure by partly bonding a piezoelectric plate, supporting a thin elastic plate as a vibrator through a damper to a stationary base in a cantilever structure, and applying AC drive voltage to the vibrator, thereby rocking the end of the plate. CONSTITUTION:Part of the base end of a thin metal elastic plate 1 is pressed to form a wavy damper 3, the end is supported to a stationary base 4 in a cantilever structure, and piezoelectric plates 3 are bonded to between the free end of the plate 1 and both front and back surfaces of the damper 3. Or, the damper 3 is not formed in a wavy shape with the plate 1, but two silicone rubber plates can be laminated. With this structure, AC voltage is applied between the plates 2 and 1 to rock the free end of the plate 1, thereby producing an air stream. In this manner, the structure is formed in an extremely thin shape, and can be readily associated in a complicated narrow housing. |
