Jinghao Zhu, Baoyu Yang, Jiakun Zhang, Yinong Wu. Optimal driving method design of infrared cryocooler under high-order driving[J]. Infrared and Laser Engineering, 2023, 52(2): 20220369
- Infrared and Laser Engineering
- Vol. 52, Issue 2, 20220369 (2023)
Fig. 1. Equivalent circuit of single-side compressor of refrigerator
Fig. 2. Variation results of equivalent resistance and equivalent inductance of compressor with frequency
Fig. 3. Traditional cryocooler drive full bridge inverter circuit
Fig. 4. MOS transistor driving signal and output waveform under traditional driving method
Fig. 5. Freewheeling path after half wave under traditional driving mode
Fig. 6. Working loop for zero voltage freewheeling through the upper circuit
Fig. 7. MOS transistor driving signal and output waveform of upper loop freewheeling method
Fig. 8. Control signal processing logic of upper loop freewheeling method
Fig. 9. Working loop for zero voltage freewheeling through lower loop
Fig. 10. MOS transistor driving signal and output waveform of lower loop freewheeling method
Fig. 11. Typical working circuit of IR2110
Fig. 12. Frequency spectrum of lower loop freewheeling method and bipolar driving method
Fig. 13. Improved method 2 cryocooler driving circuit
Fig. 14. Improved method 2 (a) output voltage and (b) current waveform of 120 Hz drive
Fig. 15. Improved method 2 (a) output voltage and (b) current waveform of 360 Hz drive
Fig. 16. Photo of experimental test platform
Fig. 17. Traditional driving methods drive output voltage waveforms at (a) 120 Hz and (b) 360 Hz frequencies
Fig. 18. Improved method 2 drive output voltage waveforms at (a) 120 Hz and (b) 360 Hz frequencies
Fig. 19. Traditional driving methods drive the output voltage spectrum at (a) 120 Hz and (b) 360 Hz frequencies
Fig. 20. Improved method 2 drive the output voltage spectrum at (a) 120 Hz and (b) 360 Hz frequencies
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