Piezoelectric drive type miniature thermoacoustic refrigerator
A thermoacoustic refrigerator and piezoelectric drive technology, which is applied in refrigerators, refrigeration and liquefaction, lighting and heating equipment, etc., can solve the problems of low reliability, loud noise, slow heat dissipation, etc., and achieve high reliability and extended service life Life and reliability improvement effects
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[0024] The present invention will be further explained below in conjunction with the drawings.
[0025] Such as figure 1 As shown, a piezoelectric-driven miniature thermoacoustic refrigerator is cylindrical, with a diameter of 30mm, a length of 40mm, and an operating frequency of 5000HZ. It includes a piezoelectric buzzer 1, a hot-end resonance tube 2, a hot-end heat exchanger 3. Regenerator 4, cold end heat exchanger 5 and cold end resonance tube 6.
[0026] The piezoelectric buzzer 1 is connected to one end of the hot-end resonant tube 2, the other end of the hot-end resonant tube 2 is connected to one end of the hot-end heat exchanger 3, and the other end of the hot-end heat exchanger 3 Is connected to one end of the regenerator 4, one end of the regenerator 4 is connected to one end of the cold end heat exchanger 5, and the other end of the cold end heat exchanger 5 is connected to one end of the cold end resonator tube 6, so The other end of the cold end resonance tube 6 is a...
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