1. Introduction
The piston wear is eliminated by using hydrostatic gas bearing support technology. The design life of the piston can reach more than 120,000 hours；High efficiency compressor technology and high efficiency regeneration technology are adopted.，COP＞%@77K；
Driven by a single linear compressor，Elimination of Supporting Components by Gas Bearing Structure，Compact Design of Refrigerator Structure，Refrigeration cooling capacity weight ratio 4.2W/kg@80K；Adaptive passive vibration reduction technology using dobby leaf spring and High Efficiency Heat Dissipation Technology. The products meet the environmental adaptability requirements of military standards.
2. Fuction
It provides 35K-240K cryogenic environment for various types of devices and systems.
3. Product feature
Small size, light weight and long life. At present, the miniature Stirling refrigerator with the largest cooling capacity, the highest efficiency, the smallest volume, the lightest weight and the longest life in the world.
4. Application area
High temperature superconducting receiver front end, cryogenic Stirling refrigerator, miniature nitrogen generator, oxygen generator, cold optical filter, germanium detector, alpha magnetic spectrometer, hyperspectral imager, radio telescope array, communication base station and other fields of cooling.
5. Technical parameters
Sterling-TK500, Sterling-TK1100 and Sterling-TK150 are the three main types of gas bearing Stirling refrigerators. The detailed technical parameters of the three types are as follows:
parameter | 5W | 10W | 15W |
cooling-down@77K(min) | ≤8（23℃） | ≤8（23℃） | ≤8（23℃） |
≤6（-40℃） | ≤6（-40℃） | ≤6（-40℃） | |
≤12（60℃） | ≤12（60℃） | ≤12（60℃） | |
Refrigerating capacity @77K(W) | ≥5（23℃） | ≥10（23℃） | ≥15（23℃） |
≥4（-40℃） | ≥8（-40℃） | ≥12（-40℃） | |
≥3（60℃） | ≥6（60℃） | ≥9（60℃） | |
Controller Power Supply (Vdc) | 24 | 24 | 48 |
Input power (Wac) | ≤90 | ≤170 | ≤260 |
weight（kg） | ≤2.5 | ≤3.7 | ≤3.7 |
Minimum Refrigeration Temperature（K） | ≤40 | ||
control accuracy (K) | ≤±0.11 | ||
Working temperature range （℃） | -40～+60 | ||
reliability MTTF（h） | 120000h（Design）\50000h(Examined) | ||
Direction of use | Arbitrarily | ||
Environmental adaptability | Meet the requirements of GJB5029-2003 | ||
6. Application Case
6.1 Aerospace cryogenic refrigerator
Refrigerating capacity：≥70W@-80℃
Input power：≤300 Wac
Temperature uniformity：≤±2℃
Design life：12 years
6.2 Optical cooling system parameter：
Refrigeration temperature：≤-100℃
Temperature uniformity：≤2℃
Temperature control accuracy：≤0.3℃
Micro vibration：≤0.01mm
6.3 Superconducting Receiving Front End
Bandwidth： 300MHz
Noise figure：＜0.4dB
Gain：40dB±1dB
Out of band suppression：≥70dB
P-1：≥13dBm
6.4 Germanium detector
Input power：≤260Wac
Refrigeration temperature：77K
Refrigerating capacity： ≥15W@23℃
Working temperature range：-20℃~50℃
Outline size：Φ120×350
6.5 superconducting magnet
Input power：≤260Wac
Minimum Refrigeration Temperature：≤35K
Refrigerating capacity：≥2W@40K（23℃）
Working temperature range：-40℃~60℃
Outline size：Φ120×350
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