Ball spline supporting Stirling refrigerator

A technology of ball spline and ball spline shaft, which is applied in refrigerators, refrigeration and liquefaction, compressors, etc., can solve the problems of sealing wear restricting the life of the whole machine, high engineering cost, and many required parts, and achieve structural Simplicity, increased working life, and easy-to-connect effects

Inactive Publication Date: 2012-09-05
CHINA ELECTRONICS TECH GRP CORP NO 14 RES INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0010]The main problem of the integral Stirling refrigerator is: the seal wear caused by the lateral force acting on the piston and the ejector restricts the life of the whole machine
In 2004, the Technical Institute of Physics and Chemistry of the Chinese Academy of Sciences proposed a linear slide rail support structure to solve this problem, and produced two prototypes, which better solved the...

Method used

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  • Ball spline supporting Stirling refrigerator
  • Ball spline supporting Stirling refrigerator
  • Ball spline supporting Stirling refrigerator

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Embodiment Construction

[0020] combine figure 1 , figure 2 , image 3 , Figure 4 with Figure 5 , the ball spline supporting Stirling refrigerator of the present invention includes a compressor system, a cold head system, and a motor crankshaft drive system. The compressor system is composed of a cylinder 8 and a piston assembly, and the piston assembly is composed of a piston 9 and a piston ball spline 100. The cold head system is composed of a cold cylinder 1, an ejector 2, a heat regenerator 3 and an ejector ball spline 200. The heat regenerator 3 is located inside the ejector 2. The motor crankshaft drive system consists of a motor, a piston connecting rod 10, a crankshaft 11 and the ejector connecting rod 12, the cylinder 8, the cooling cylinder 1 and the motor are installed on the crankcase, the cylinder 8 and the cooling cylinder 1 are arranged at 90°, the piston 9 is connected with the piston connecting rod 10, and the ejector 2 is connected with the ejector The rod 12 is connected, the...

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Abstract

The invention discloses a ball spline supporting Stirling refrigerator, which comprises a compressor system, a cold head system and a motor crankshaft driving system, wherein the compressor system is composed of a cylinder and a piston assembly; the piston assembly is composed of a piston and a piston ball spline; the cold head system is composed of a cooling cylinder, an ejector, a regenerator and an ejector ball spline; the regenerator is positioned in the ejector; the motor crank driving system is composed of a motor, a piston connecting rod, a crankshaft and an ejector connecting rod; and the cylinder, the cooling cylinder and the motor are installed on a crankcase. The ball spline supporting Stirling refrigerator has the advantages of stable thermal performance and high reliability, and the service life of the refrigerator is prolonged.

Description

technical field [0001] The invention belongs to a refrigerator in the technical field of refrigeration, in particular to a ball spline supported Stirling refrigerator. Background technique [0002] The Stirling refrigerator is a refrigerator that works according to the reverse Stirling cycle (a thermodynamic cycle composed of two isothermal processes and two isovolumic processes). With the advantages of wide range and simple operation, it has been used in communications, meteorology, military, aerospace, low-temperature physics, low-temperature electronics, low-temperature materials, low-temperature medicine, low-temperature optics, bioengineering, earth resource exploration, microscopic particle research, etc. high-tech field. [0003] Stirling refrigerators are widely used in precision instruments and equipment such as infrared detectors and superconducting quantum interferometers. Electronic devices, such as superconducting quantum interferometer magnetometers (SQUID ma...

Claims

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Application Information

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IPC IPC(8): F25B9/14
Inventor 席有民平丽浩钱吉裕
Owner CHINA ELECTRONICS TECH GRP CORP NO 14 RES INST
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