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On-line regulation device of expansion machine of split type stirling cryocooler

A technology of regulating devices and expanders, which is applied to refrigerators, measuring devices, refrigeration components, etc., can solve the problems of wasting time and resources, low efficiency, and increasing the workload of debugging personnel, and achieves convenient operation, low production cost, and shortened The effect of the R&D cycle

Inactive Publication Date: 2013-06-26
CHINA ELECTRONICS TECH GROUP CORP NO 16 INST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Each test is completed through multiple steps such as disassembly, leak detection, vacuuming, inflation, cooling, loading, etc., and repeated disassembly and assembly are required to change parameters and test, which increases the workload of debugging personnel, wastes time and resources, and improves efficiency. lower

Method used

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  • On-line regulation device of expansion machine of split type stirling cryocooler
  • On-line regulation device of expansion machine of split type stirling cryocooler
  • On-line regulation device of expansion machine of split type stirling cryocooler

Examples

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Embodiment Construction

[0017] Such as Figure 1-3 As shown, the on-line adjustment device of the split Stirling refrigerator expander of the present invention includes an adjustment rod 1 whose end can be connected with the spring fixing seat 9 of the expander. The outer periphery of the self-sealing seat 3 is provided with an outer fixing seat 6, and the fixing seat 6 is provided with a screw hole for connecting the expander cylinder 11; An extension adjustment part is extended from the end of the outer fixed seat 6; the outer periphery of the end of the outer fixed seat 6 is connected with a lock nut 2; There is a groove for placing the O-shaped rubber sealing ring 1 on the top, so that the adjustment rod 1 and the self-sealing seat 3 are connected through the O-shaped rubber sealing ring 2 5 to form a side seal to ensure the airtightness of the device; self-sealing The seat 3 and the outer fixed seat 6 are connected by an O-shaped rubber sealing ring-4 to form a side seal to ensure the airtightn...

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PUM

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Abstract

The invention discloses an on-line regulation device of an expansion machine of a split type stirling cryocooler. The on-line regulation device comprises a regulating stem, wherein one end of the regulating stem can be connected with a spring fixing seat of the expansion machine, a self-sealing seat is installed on the periphery of the regulating stem, an outer fixing seat is installed on the periphery of the self-sealing seat, and the outer fixing seat is provided with a bolt hole which is used for being connected with an air cylinder of the expansion machine; and the other end of the regulating stem is stretched out of the end portion of the outer fixing seat and the end portion of the self-sealing seat to form a stretched regulating portion. The on-line regulation device can achieve on-line parameter regulation during testing processes of the cryocooler, can improve debugging efficiency, shortens the development cycle of the stirling cryocooler, and is simple in structure, convenient to operate and low in manufacturing cost.

Description

technical field [0001] The invention relates to an online regulating device, in particular to an online regulating device applicable to an expander of a split Stirling refrigerator. Background technique [0002] The Stirling refrigerator is a gas recuperation closed-cycle refrigerator that works according to the reverse Stirling cycle. It has the advantages of compact structure, wide working temperature range, quick start, high efficiency, reliability and durability, and is now widely used in aerospace, superconducting, infrared detection and other fields, in missile guidance, infrared forward vision and night vision, thermal imager It has played an important role in military and civilian equipment. [0003] Stirling refrigerators are divided into integral refrigerators and split refrigerators. The split Stirling refrigerators are piston-displacer refrigerators composed of two separate reciprocating cylinders. The discharge in the expander cylinder The actuator has no mech...

Claims

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Application Information

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IPC IPC(8): F25B49/02G01M99/00
Inventor 杜文飞刘婷范恒仰叶傅斌徐魁朱魁章霍延辉闫浩
Owner CHINA ELECTRONICS TECH GROUP CORP NO 16 INST
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