Product Performance Test Method Using Key Thermal Parameters

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Solution Overview

Problem

Current product performance test methods for environmental test equipment are inefficient due to high test workloads and unscientific approaches, leading to high costs and inadequate energy-saving effects.

Innovation Solution

A product performance test method and system that quantitatively assesses specific heat capacity, heat transfer coefficient, energy efficiency ratio, and mass of heat storage materials to accurately evaluate the performance of samples, incorporating a temperature modulation module, temperature monitoring module, and control module to streamline testing processes.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Measurement precision

If traditional product performance test methods are used, then test coverage is comprehensive, but test workload is high and test cost is high

Engineering Contradiction:
Improvetest coverageVSAvoidtest workload
Core Design Contradiction:
Measurement precisionVSProductivity

Solution Approach 1:

The patent extracts and focuses on testing only the key parameters (specific heat capacity C, heat transfer coefficient K, energy efficiency ratio E, and mass m of heat storage material) that most significantly affect product performance. By taking out the essential parameters from the comprehensive test set, the method reduces test workload while maintaining adequate assessment quality.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent changes the testing approach by focusing on specific physical parameters (C, K, E, m) rather than conducting exhaustive performance tests. This parameter-based approach transforms the testing methodology from comprehensive but labor-intensive to targeted and efficient, resolving the contradiction between test coverage and workload.

Inventive Principle:
Principle #35Parameter changes

2Reliability

If traditional product performance test methods are used, then test thoroughness is maintained, but test cost increases

Engineering Contradiction:
Improvetest thoroughnessVSAvoidtest cost
Core Design Contradiction:
ReliabilityVSUse of energy by stationary object

Solution Approach 1:

The patent extracts the critical parameters that most influence product reliability and performance. By testing only these key parameters (specific heat capacity, heat transfer coefficient, energy efficiency ratio, and mass of heat storage material), the method maintains test thoroughness for the most important aspects while significantly reducing overall test cost.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent shifts from comprehensive performance testing to parameter-based testing, changing the fundamental approach to assessment. This parameter-focused methodology maintains reliability by measuring the most critical factors while reducing the resources required for testing.

Inventive Principle:
Principle #35Parameter changes

3Quantity of substance

If existing test methods for thermal insulation devices are used, then test completeness is achieved, but scientific rigor is insufficient

Engineering Contradiction:
Improvetest completenessVSAvoidscientific rigor
Core Design Contradiction:
Quantity of substanceVSMeasurement precision

Solution Approach 1:

The patent introduces a scientifically rigorous parameter-based testing framework that measures specific physical quantities (specific heat capacity C, heat transfer coefficient K, energy efficiency ratio E, and mass m). This approach enhances scientific rigor by using well-defined physical parameters with clear measurement standards, while maintaining test completeness through comprehensive parameter assessment.

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent replaces traditional empirical testing methods with a physics-based measurement system that relies on fundamental thermodynamic parameters. This substitution introduces greaterscientific rigor by using established physical laws and measurable quantities rather than subjective or less precise evaluation methods.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

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

The method significantly reduces test workload, provides a more scientific and reasonable assessment, and has broad application prospects in environmental test equipment and thermal insulation product testing, enhancing energy efficiency evaluation.

Implementation Method 1

a heat storage amount of the sample is Q=CmΔT′ where C is the specific heat capacity of the heat storage material in the sample; m is a total mass of the heat storage materials in the sample

Methodology Applied
Scientific EffectHeat storage: Thermal Energy Storage

Implementation Method 2

a heat leakage amount of the sample is Q=tKSΔT where t is time of heat exchange occurring between interior and exterior of a cavity of the sample; K is the heat transfer coefficient of the sample

Methodology Applied
Scientific EffectHeat transfer: Conduction (thermal)

Data Source

PatentUS11175251B2Product performance test method and system
Publication Date: 2021.11.16 CQC INTIME TESTING TECH CO LTD

AI summary

A product performance test method and system are provided. The product performance test method includes: at least testing a specific heat capacity C of a heat storage material of a sample, a heat transfer coefficient K, an energy efficiency ratio E of a refrigeration system, and a mass m of the heat storage material contained in the sample to detect a performance level of the sample. The method provided tests four key factors: the specific heat capacity C of the heat storage material of a product, the heat transfer coefficient K, the energy efficiency ratio E of the refrigeration system, and the mass m of the heat storage material in a box.