一种通用型低温阀门漏热性能测试装置及方法

By employing a modular design and a two-stage pre-cooling helium circulation cooling method driven by a GM refrigerator, the versatility and efficiency issues of the cryogenic valve heat leakage performance testing device are resolved. This enables rapid adaptation and efficient testing, reduces liquid helium consumption, and improves testing accuracy and efficiency.

CN122084679BActive Publication Date: 2026-07-17INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
INST OF ENERGY HEFEI COMPREHENSIVE NAT SCI CENT (ANHUI ENERGY LAB)
Filing Date
2026-04-21
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

Existing cryogenic valve heat leakage performance testing devices have poor versatility, making it difficult to separate and quantify different heat leakage paths, resulting in low testing efficiency and high energy consumption.

Method used

The modular valve support structure and split cold shield structure, combined with a two-stage pre-cooling helium circulation refrigeration method driven by a GM refrigeration unit, construct a compact and efficient closed-loop refrigeration system, enabling rapid adaptation and efficient testing of different models of cryogenic valves.

Benefits of technology

It enables rapid adaptation to different models of cryogenic valves, reduces test preparation time and liquid helium consumption, improves test efficiency and accuracy, and significantly enhances equipment utilization and the reliability of test results.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN122084679B_ABST
    Figure CN122084679B_ABST
Patent Text Reader

Abstract

本发明公开了一种通用型低温阀门漏热性能测试装置及方法,属于阀门测试技术领域,包括:待测低温阀门安装于低温恒温器上端;待测低温阀门的阀座通过管夹与阀门换热器相连接;第一冷屏包围阀座;阀门支撑包括适配不同待测低温阀门的第一法兰;安装于低温恒温器内的两冷屏均为模块化侧壁设计,灵活适配不同待测低温阀门;连接温控器的两个加热器分别安装于热沉、管夹;GM制冷机安装于低温恒温器内,包括两级冷头;第二冷屏包围两级冷头;二级冷头设置连接阀门换热器的二级换热器;氦气供应装置与一级冷头上设置的一级换热器连接,氦气回收装置与阀门换热器连接,真空泵机组与低温恒温器连接。本发明提升了测试效率与装置利用率。
Need to check novelty before this filing date? Find Prior Art