Transparent Polycarbonate Resin Housing for Hydrogen Calibration
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Solution Overview
Problem
Conventional calibration devices for hydrogen filling apparatuses lack efficient and safe measurement capabilities for weight and quantity of hydrogen gas, particularly at high pressures, and do not provide real-time monitoring of temperature, pressure, and flow rates, posing safety risks and accuracy issues.
Innovation Solution
A calibration device with a transparent polycarbonate resin measurement housing equipped with a scale, temperature meter, pressure gauge, and flow meter, allowing for visual confirmation and remote monitoring via wire/wireless communication, along with a depressurizing valve and high-pressure resistant pipes to ensure safety and accuracy in hydrogen gas measurement.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional calibration device uses a non-transparent housing for safety, then operator safety is improved, but real-time visual monitoring of temperature, pressure and flow conditions becomes difficult
Solution Approach 1:
The housing material changes from opaque to transparent, allowing visual monitoring of internal conditions (temperature, pressure, flow) while maintaining safety through material selection (polycarbonate with antistatic properties) and design features (observation windows, integrated gauges)
Solution Approach 2:
Transparent polycarbonate resin serves as an intermediary material that allows light transmission for visual monitoring while providing physical containment and safety. The material acts as a barrier that enables observation without direct exposure to high-pressure hydrogen gas
2Ease of operation
If the measurement housing is made transparent for visual monitoring, then ease of operation is improved, but static electricity accumulation risk increases
Solution Approach 1:
The electrical properties of the transparent material are modified by adding antistatic characteristics to the polycarbonate resin, changing its electrostatic parameters to prevent charge accumulation while maintaining transparency for visual monitoring
Solution Approach 2:
The housing uses composite material properties - transparent polycarbonate resin with integrated antistatic functionality - combining optical transparency with electrostatic protection to simultaneously achieve visual monitoring capability and static electricity prevention
3Productivity
If high pressure hydrogen gas is filled rapidly for efficiency, then productivity is improved, but safety risks increase due to temperature and pressure escalation
Solution Approach 1:
Temperature meters, pressure gauges, and flow meters provide real-time feedback on filling conditions, allowing operators to monitor and control the filling process to prevent dangerous temperature and pressure escalation while maintaining efficient filling rates
Solution Approach 2:
Visual monitoring of physical parameters (temperature, pressure, flow) replaces reliance on tactile or indirect mechanical indicators, enabling more precise and safer control of high-pressure gas filling operations
4Measurement precision
If multiple monitoring devices are installed in the measurement housing for accurate measurement, then measurement precision is improved, but device complexity increases
Solution Approach 1:
Multiple monitoring functions (weight measurement, temperature monitoring, pressure monitoring, flow monitoring) are merged into a single integrated measurement housing system, allowing simultaneous multi-parameter monitoring while maintaining a unified compact structure rather than separate independent devices
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables safe and accurate measurement of hydrogen gas weight and quantity, reduces the risk of static electricity, and allows for remote monitoring of conditions, ensuring timely detection of abnormalities and maintaining high accuracy in hydrogen gas filling processes.
Implementation Method 1
the measurement housing 1 is made of a transparent resin with antistatic function, particularly of a polycarbonate resin
Implementation Method 2
the measurement housing 1 is made of a transparent resin with antistatic function
Implementation Method 3
a scale 3 accommodated in the housing main body 10, wherein the scale 3 is configured to measure a weight of the measurement housing 1
Implementation Method 4
data measured by status monitoring equipment disposed in the measurement housing 1 such as a temperature meter 11, a pressure gauge 12 and a flow meter 15
Implementation Method 5
a pressure gauge 12
Implementation Method 6
a flow meter 15
Implementation Method 7
the depressurizing valve 16 is mounted to a filling gas discharging pipe 8 in the measurement housing 1
Data Source
Figure 1
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AI summary
To provide a calibration device for apparatus filling a gas such as hydrogen gas and capable of efficiently and safely measuring weight and amount of the gas such as hydrogen gas that are filled at high pressure. Calibration devices 100, 200, 300, 400 according to the present invention include a measurement housing 1, accommodated in a housing main body 10, to the measurement housing 1 a high pressure fuel gas being fed from outside of the housing main body 10; and a scale 3 for measuring a weight of a fuel gas fed to the measurement housing 1, wherein an inside of the measurement housing 1 is visible from outside of the housing main body 10.