Infrared and Laser Engineering, Volume. 52, Issue 5, 20220705(2023)
Design of thermal control system for high-speed communication optical module
Figures & Tables(35)
Fig. 4. Package 3D model of DUT thermoelectric refrigeration components
Fig. 6. Cold plate heat exchanger inlet and outlet water cooling temperature
Fig. 10. Relationship between TEC cooling capacity and input current
Fig. 13. 3D section diagram of optimized cold plate heat exchanger
Fig. 14. The optimized fluid flow velocity simulation model of cold plate heat exchanger
Fig. 15. Relationship between the heat of the hot end of TEC and the input current
Fig. 20. Test platform built by heat dissipation system and BERT instrument
Fig. 21. Limit temperature of TEC cooling surface for temperature control
Table 1. Design indicators of TEC cooling system
View tableView in ArticleTable 1. Design indicators of TEC cooling system
Temperature settings for TEC/℃ Shell temperature of the module/℃ Time/s −20-75 0-65 120 75-−20 65-0 120
Table 2. Relevant dimensions of cold plate heat exchanger
View tableView in ArticleTable 2. Relevant dimensions of cold plate heat exchanger
Name Size/mm Name Size/mm Total height 17 Total length 50 Diameter of inlet 6 Diameter of outlet 6 Total width 50 Diameter of pipe 6 Spacing of pipes 3.5 Width of the left and right boundaries 7.75 Width of the front and back boundaries 6 Width of the upper and lower boundaries 5.5
Table 3. Physical parameters of water at 30 ℃
View tableView in ArticleTable 3. Physical parameters of water at 30 ℃
Parameter Value Thermal conductivity ${\lambda _f}/{\rm{W} }\cdot ({\rm{m} } \cdot {\rm{K} })^{-1}$ $ 0.62 $ Kinematic viscosity of fluid ${\upsilon _f}/{ {\rm{m} }^2} \cdot{\rm{s} ^{-1} }$ $ 0.805 \times {10^{{{ - }}6}} $ Fluid density $\;{\rho _f}/{\rm{kg} } \cdot { {\rm{m} }^{-3} }$ $ 995.4 $ Specific heat ${C_p}/{\rm{J} }\cdot({\rm{kg} } \cdot {\rm{K} })^{-1}$ $ 4.17 \times {10^3} $ Prandtl number Pr $ 5.42 $
Table 4. Basic parameter of TEC
View tableView in ArticleTable 4. Basic parameter of TEC
Name Numerical value Conditions for testing ${I_{\max } }/{\rm{A}}$ 15 $ {Q}_{c}=0,\delta T=\delta {T}_{\mathrm{max}},{T}_{h}=50 $ ℃${U_{\max } }/{\rm{V}}$ 37.4 $ {Q}_{c}=0,I={I}_{\mathrm{max}},{T}_{h}=50 $ ℃$ \delta {T}_{\mathrm{max}}/ $ ℃78 $ {Q}_{c}=0,I={I}_{\mathrm{max}},{T}_{h}=50 $ ℃${Q_{c\max } }/{\rm{W}}$ 294 $ {Q}_{c}=0,\delta T=0,{T}_{h}=50 $ ℃$ {T}_{h\mathrm{max}}/ $ ℃200 Instant
Table 5. Basic parameters of the temperature control module of TEC
View tableView in ArticleTable 5. Basic parameters of the temperature control module of TEC
Parameter Numerical value VIN/V 24 CH 1 VOUTmax/V 19.2 IOUTmax/A 15 Dimensions/mm3 $ 55 \times 95 \times 28 $
Table 6. Temperature rise and fall time of different number of TECs
View tableView in ArticleTable 6. Temperature rise and fall time of different number of TECs
The number of TEC/pcs The number of fans/pcs The duration of temperature rise/s The duration of temperature decrease/s 6 3 87 95 8 6 130 150
Table 7. Parameters of water pump
View tableView in ArticleTable 7. Parameters of water pump
Parameter Numerical value Volum/mL 8890 Nominal voltage/V 12 Incoming current/A 1.5±10% Motor speed/rpm 4500±5% Lift/m 6±1 Quantity of flow/L·h−1 1200 Power/W 18
Table 8. Parameters of the air exhaust
View tableView in ArticleTable 8. Parameters of the air exhaust
Parameter Numerical value Size/mm3 $ 391 \times 121 \times 45 $ Number of pipes/bar 12×2 Diameter of fans/cm 12
Table 9. Paremeters of the fan
View tableView in ArticleTable 9. Paremeters of the fan
Parameter Numerical value Size/mm3 $ 120 \times 120 \times 38 $ Working voltage/V 12 Noise/dBA 55.5 Rated power/W 12.6
Table 10. Main parameters of the optical module used in the experiment
View tableView in ArticleTable 10. Main parameters of the optical module used in the experiment
Type Type of module Central wavelength/nm QSFP-DD 400 G BASE LR4 1310 QSFP-28 100 G BASE IR4 1310
Table 11. Comparison of heating and cooling efficiency of QSFP-DD
View tableView in ArticleTable 11. Comparison of heating and cooling efficiency of QSFP-DD
Number of tests The duration of temperature rise/s The duration of temperature decrease/s Thermal control system Water-cooling machine Thermal control system Water-cooling machine 1 101 93 95 93 2 99 95 96 93 3 99 90 95 93 4 103 91 95 93 5 100 90 95 92 6 102 89 95 92 7 98 92 95 93 8 102 90 94 92 9 101 93 96 92 10 103 91 95 92 Mean value 100.8 91.4 95.1 92.5
Table 12. Comparison of heating and cooling efficiency of QSFP-28
View tableView in ArticleTable 12. Comparison of heating and cooling efficiency of QSFP-28
Number of tests The duration of temperature rise/s The duration of temperature decrease/s Thermal control system Water-cooling machine Thermal control system Water-cooling machine 1 59 52 56 49 2 59 50 55 49 3 58 52 57 49 4 59 52 54 49 5 59 50 57 49 6 56 50 57 49 7 57 50 57 49 8 59 50 57 48 9 59 49 57 49 10 59 50 57 49 Mean value 58.4 50.5 56.4 48.9
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Boren Guan, Mingyu Li, Renhui Deng, Haiyang Hu, Zhe Lian. Design of thermal control system for high-speed communication optical module[J]. Infrared and Laser Engineering, 2023, 52(5): 20220705
Paper Information
Category: Optical communication and sensing
Received: Sep. 30, 2022
Accepted: --
Published Online: Jul. 4, 2023
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