Liquid hydrogen and liquid oxygen spacer thermal conductivity coefficient instrument

By designing a liquid hydrogen-liquid oxygen spacer thermal conductivity meter and using a laser rangefinder and temperature sensor to simulate the real-world environment, the problem of low efficiency in detecting the thermal conductivity of spacers with different layers of insulation materials was solved, achieving efficient and accurate detection results.

CN224518630UActive Publication Date: 2026-07-17JIANGSU ZHONGKE JINGYUAN ENERGY SAVING TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JIANGSU ZHONGKE JINGYUAN ENERGY SAVING TECH CO LTD
Filing Date
2025-07-31
Publication Date
2026-07-17

AI Technical Summary

Technical Problem

In existing technologies, the efficiency of detecting the thermal conductivity of spacers with different numbers of insulation materials is low, making it impossible to efficiently select spacers with appropriate number of layers and thermal conductivity.

Method used

A thermal conductivity meter for liquid hydrogen and liquid oxygen spacers was designed. A laser rangefinder was used to ensure that the distance between the heating plate and the heat-conducting plate was consistent with the distance between the inner tank and the outer tank in actual application, simulating the real use environment. The thermal conductivity was measured using a temperature sensor.

Benefits of technology

It improves the accuracy and efficiency of test results, reduces the risk of differences between thermal conductivity under test conditions and actual use conditions, and achieves efficient and accurate testing.

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Abstract

The utility model relates to liquid hydrogen liquid oxygen spacer heat conductivity coefficient appearance, including base, side plate and top plate, be provided with the base on the base, be provided with a plurality of heat insulating plates fixedly on the base, the heat insulating plate is fixed with the heat conduction plate, the top of base is provided with the lifting plate, the top plate's upper end is fixed with the cylinder, the cylinder has the expansion joint, and the expansion joint is fixedly connected with the upper surface of lifting plate, the lower surface of lifting plate is fixed with a plurality of heating plates, and one side of heating plate away from heat conduction plate and one side of heat conduction plate away from heating plate all are provided with temperature sensor, and the side of base is fixed with the reference plate, and the upper end surface of reference plate and the upper end surface of heat conduction plate are located same horizontal plane, and the side of lifting plate is fixed with the mounting plate, and the mounting plate is fixed with laser range finder, and laser range finder has laser emission end, and laser emission end is towards reference plate, and laser emission end and the lower surface of heating plate are located same horizontal plane, the utility model discloses that the accuracy of detection result has been improved, and saves time and labour, and the efficiency is high.
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Claims

1. A thermal conductivity meter for a liquid hydrogen-liquid oxygen spacer, characterized in that: The device includes a base, side plates fixed to both sides of the base, and a top plate fixed to the upper part of the side plates. A pedestal is mounted on the base, and multiple heat insulation plates are fixed on the pedestal. Heat-conducting plates are fixed on the heat insulation plates. A lifting plate is mounted above the pedestal. A cylinder is fixed to the upper end of the top plate. The cylinder has a telescopic shaft that extends downward through the top plate and is fixedly connected to the upper surface of the lifting plate. Multiple heating plates, each corresponding to a heat-conducting plate, are fixed to the lower surface of the lifting plate. Temperature sensors are mounted on the side of each heating plate facing away from the heat-conducting plate and on the side of each heat-conducting plate facing away from the heating plate. A reference plate is fixed to the side of the base, and the upper surface of the reference plate is at the same horizontal plane as the upper surface of the heat-conducting plate. A mounting plate is fixed to the side of the lifting plate, and a laser rangefinder corresponding to the reference plate is fixed to the mounting plate. The laser rangefinder has a laser emitting end facing the reference plate, and the laser emitting end is at the same horizontal plane as the lower surface of the heating plate.

2. The liquid hydrogen / liquid oxygen gap thermal conductivity instrument of claim 1, wherein: The base is provided with partitions on both sides.

3. The liquid hydrogen / liquid oxygen gap thermal conductivity instrument of claim 2, wherein: The base is provided with partition grooves that correspond one-to-one with the partitions. A spring is provided in the partition groove, with the lower end of the spring abutting against the bottom of the partition groove and the upper end of the spring abutting against the lower end of the partition groove.

4. The liquid hydrogen / liquid oxygen gap thermal conductivity instrument of claim 1, wherein: The upper end of the lifting plate is fixed with a guide shaft, which extends upward through the top plate and slides in cooperation with the top plate.