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HOME > PRODUCT > Stirling Refrigerator
Gas Bearing Stirling Refrigerator
Product details

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 hoursHigh efficiency compressor technology and high efficiency regeneration technology are adopted.COP%@77K

Driven by a single linear compressorElimination of Supporting Components by Gas Bearing StructureCompact Design of Refrigerator StructureRefrigeration 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)

≤823

≤823

≤823

≤6-40

≤6-40

≤6-40

≤1260

≤1260

≤1260

Refrigerating capacity @77K(W)

≥523

≥1023

≥1523

≥4-40

≥8-40

≥12-40

≥360

≥660

≥960

Controller Power Supply (Vdc)

24

24

48

Input power (Wac)

≤90

≤170

≤260

weightkg

≤2.5

≤3.7

≤3.7

Minimum Refrigeration TemperatureK

≤40

control accuracy (K)

≤±0.11

Working temperature range

-40+60

reliability  MTTFh

120000hDesign\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

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6.2 Optical cooling system parameter

Refrigeration temperature:≤-100℃

Temperature uniformity:≤2℃

Temperature control accuracy:≤0.3℃

Micro vibration:≤0.01mm

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6.3 Superconducting Receiving Front End

Bandwidth:  300MHz

Noise figure:<0.4dB

Gain:40dB±1dB

Out of band suppression:≥70dB

P-1:≥13dBm

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6.4 Germanium detector

Input power:≤260Wac

Refrigeration temperature:77K

Refrigerating capacity:      ≥15W@23℃

Working temperature range:-20℃~50℃

Outline size:Φ120×350

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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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