| 摘要 |
PURPOSE: A thermal-acoustic driving orifice type pulse tube cryocooling system is provided to be used as a cryocooler for cooling superconductive electronic equipments and a super-conduction applying equipment requiring small capacity. CONSTITUTION: A cooler(100) includes a driving part(10) comprising a first high temperature heat exchanger(12) having a heat transfer member attached thereon and storing driving gas, a combustor(11) allowing the driving gas to be heated and vibrated and applying flame to the heat transfer member, and a post-process heat exchanger(13) connected with the other side of the first high temperature heat exchanger and exposed to an outside of the combustor to control quantity of heat transmitted to driving gas; a regenerator(20) connected with the other side of the post-process heat exchanger, and allowing vibrated driving gas to flow in and out so as to exchange heat; a pulse tube(40) connected with the other side of the regenerator, and having a stack(41) installed therein correspondingly with inflow direction of driving gas so that driving gas with different temperature reciprocates on both sides of the stack; a refrigerating gas storage place(60) connected with the other side of the pulse tube, and having an orifice(62) installed therein to control amount of introduced driving gas so that pressure therein is constant; and a second high temperature heat exchanger(30) and a low temperature heat exchanger(50) installed between the regenerator and the pulse tube, and between the pulse tube and the refrigerating gas storage place, respectively, and exchanging heat with the outside.
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