Pulse tube refrigerator adopting single compressor to realize active phase modulation
A technology of pulse tube refrigerator and single compressor, which is applied in the direction of refrigerators, compressors, compressors, etc., can solve the problems of poor reliability and large volume, achieve small vibration, compact structure of the whole machine, and improve stability Effect
Pending Publication Date: 2022-07-12
上海铂钺制冷科技有限公司
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Problems solved by technology
[0005] Due to the above-mentioned defects in the prior art, the present invention provides a small and reliable active phase-modulating pulse tube refrigerator structure, which overcomes the poor reliability of the existing active phase-modulating pulse tube refrigerator and the active piston Defects that require the cooperation of active phase modulation compressors and large volume
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Embodiment 1
[0034] A pulse tube refrigerator that uses a single compressor to achieve active phase modulation, such as figure 2 As shown, it includes a driving compressor body 1, a piston support member 2, a driving piston 3, a regenerator 4, a pulse tube 5, a phase regulating tube 2 6, a buffer gas reservoir 7, a phase regulating tube 1 8, and an active phase regulating piston 9. , Compression chamber 2 10 , cavity partition 11 , compression chamber 1 12 . A cavity partition 11 is installed in the driving compressor body 1, which divides the original compression cavity into two independent compression cavity 1 12 and compression cavity 2 10. Phase modulation tube 1 8 and phase modulation tube 2 6 are both long copper. Tube. The driving piston 3 and the active phase adjusting piston 9 are controlled by a single single-phase 220V AC power supply, so the driving piston 3 and the active phase adjusting piston 9 located in different compression chambers perform completely opposite compressi...
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The invention discloses a pulse tube refrigerator for realizing active phase modulation by adopting a single compressor. The pulse tube refrigerator comprises a driving compressor, a regenerator, a pulse tube and a phase modulation transmission device, the driving compressor is of a double-piston oppositely-arranged structure and comprises a driving compressor body, a cavity partition plate for dividing a compression cavity into a first compression cavity and a second compression cavity which are independent of each other is arranged in the driving compressor body, and a driving piston and an active phase modulation piston are arranged in the first compression cavity and the second compression cavity correspondingly. After pressure waves generated by the active phase modulation piston pass through the phase modulation transmission device, a phase lagging behind mass flow is generated at the hot end of the pulse tube, and the phase and the pressure waves generated by the driving piston influence each other, so that phase adjustment of the pulse tube refrigerator is achieved. According to the pulse tube refrigerator, active phase modulation is achieved through the single compressor, the reliability and compactness of a system are effectively improved, application and popularization of the active phase modulation type pulse tube are facilitated, and the pulse tube refrigerator has great application prospects.
Description
technical field [0001] The invention relates to the technical field of refrigeration and cryogenic engineering, relates to a single-compressor pulse-tube refrigerator, and in particular to a single-stage pulse-tube refrigerator system that adopts a single compressor to realize active phase modulation. Background technique [0002] Since the invention of the basic pulse tube refrigerator by Gifford and Longsworth in the United States in the 1960s, the development of pulse tube refrigerators has experienced small hole-air storage type, bidirectional air intake type, inertia tube type, active gas storage type and double piston type. Type and other phase modulation optimization stages. The pulse tube refrigerator is a major innovation of the regenerative cryogenic refrigerator. It has outstanding advantages such as high reliability, small mechanical vibration, long working life, high refrigeration efficiency, and low electromagnetic noise. It has been widely used in the guidanc...
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Login to View More IPC IPC(8): F25B9/14F25B31/00
CPCF25B9/145F25B31/00
Inventor 党海政谭涵
Owner 上海铂钺制冷科技有限公司