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[Hongke Solution] Save $2 Million in Quality Losses Annually! How Hisense Hitachi discovered the hidden problems of large equipment transportation with MSR vibration recorder?

Background of cooperation

Ltd. is a leading enterprise integrating design, manufacturing and service of central air-conditioning systems. The company has long been deeply plowing into the field of inverter multiple units, with strong research and development strength and excellent manufacturing quality, continue to lead the industry's technological development.

In the central air conditioning industry, vibrations, shocks, and changes in temperature and humidity during transportation and storage often have a potential impact on the quality of the equipment.

Challenge: How to Quantify Equipment Transportation and Storage Risks

Central air conditioning products are large and complex, and are susceptible to vibration, shock and environmental changes during storage and transportation. If these potential problems are not detected in time, they may lead to breakage of the copper tubes or sheet metal parts of the outside unit, thus triggering the return and replacement of goods and after-sale risks.

Schematic diagram of central air-conditioning unit

According to Hisense Hitachi, the cost of returning and replacing a single outboard unit can be as high as tens of thousands of dollars, and if the problem is exposed in a concentrated manner.It not only brings huge financial losses, but also affects the brand image and market reputation.The

In order to further minimize the accidental losses caused by transportation problems, the technicians decided to design the sea transportation package of the unit according to the national standard GB/T4857.23 "Random vibration test method for package transportation". This standard is used to evaluate the structural strength, sealing reliability and protection performance of packages under random vibration.The key issue is how to monitor the actual vibration intensity of the unit during transportation and determine whether it exceeds the standard requirements.

Spectral Power Density Curves for Road Transportation under Different Levels of Severity in GB/T4857.23 Standard

Solution: Capture the whole process data with Avision MSR

In order to scientifically evaluate and reproduce the stress conditions during transportation, Hisense Hitachi chose to use the Avision MSR165 Miniature Shock and Vibration Recorder. The device is equipped withCompact size, waterproof and durable, high sampling frequency, low energy consumption, and up to 6 months of battery life.It is very suitable for long term transportation testing.

In the actual application, engineers fixed the MSR165 recorder on the bottom sheet metal position of the central air-conditioning unit, the whole process of collecting acceleration, temperature, humidity and other data during transportation.

MSR165 Vibration Recorder mounted on unit goods

Reasons to choose HONGKE MSR

Hisense Hitachi first learned about the product through a vibration impact case study shared by Hongke. During comparative testing, the team found thatSimilar domestic equipment is larger in size, smaller in storage capacity, and lack of data accuracy.The proposed system will not be able to meet the demand for long-term transportation monitoring.HONGKE MSR165 Vibration Recorder with its Swiss-madeHigh accuracy, high reliability, small footprint and excellent range performanceIn the end, it won the approval of Hisense Hitachi's test team.

Compact size, multi-parameter recording

MSR165 Miniature Shock and Vibration Recorder Volume39 x 23 x 72 mm onlyThe weight is approximately 64 grams and can be achieved in a compact space.Acceleration sampling rate of up to 1600 cycles/sec.The resolution is up to 13 bits. The device has a built-in high-resolution 3-axis acceleration sensor and integrates multi-sensor function.Accurately records not only shocks and vibrations, but also environmental parameters such as temperature, humidity, pressure and light intensity.It has a built-in memory. Its built-in memoryOver 2 million measurements can be savedIt is capable of supporting more than 10,000 impact measurements, providing a reliable guarantee for long-term, high-precision data collection.

Compact MSR165 Vibration Recorder from HONGKE

Highly accurate raw acceleration acquisition

Ordinary shock recorders can only record short acceleration curves at the moment of over-threshold, with limited sampling points, making it difficult to convert the time domain data into frequency domain data and unable to analyze the power spectrum. The MSR165 vibration recorder continuously captures acceleration data at a high frequency sampling rate (up to 1600 Hz), which makes it difficult to convert time domain data into frequency domain data for power spectrum analysis.Preserve the original time domain signals throughout the transportation or testing process.The

Schematic of the time domain of acceleration measured by HONGKE's MSR165 Vibration Recorder.

Advanced Spectrum Calculation

The MSR165 vibration recorder not only records the raw time domain data of the vibration, but also generates the phase, amplitude, power and power spectral density (PSD) curves of the vibration through Fourier transform and other algorithms.

By comparing with national standard power spectrum requirements, users can quantitatively assess the rationality of packaging design and transportation safety, upgrading from empirical judgment to data-driven scientific decision-making. This allowsMSR165 Bridges the Gap Between Laboratory and Real-World Transportation TestingThe

Power Spectral Density Curve Measured by HONGKE MSR165 Vibration Recorder

Intelligent Data Analysis Software Support

In the face of the large amount of data brought about by high-frequency sampling, the MSR series also provides optimized solutions at the software level. For example, the MSR175 adopts the "Ultra Threshold Event Recording" mode to record only critical data beyond the safe range, avoiding redundant messages and greatly improving data processing efficiency. At the same timeOne-click data analysis software allows users to quickly generate reports and visualize curvesThe system saves post-production time and realizes an efficient closed loop from acquisition to analysis.

Rapid Data Analysis Interface for Avision MSR175 Impact Recorder

Case Summaries

As a leader in the industry of inverter multiple air-conditioning systems, Hisense Hitachi Qingdao has always insisted on technical innovation to ensure product reliability.By introducing the MSR165 Impact Micro Vibration Recorder, Hisense Hitachi has successfully built a scientific data monitoring system.The company has achieved precise quantification of the equipment transport environment and continuous optimization of the product design.

HONGKE MSR Impact Vibration Recorder can be used in the fields of logistics and transportation, rail transportation, power and energy, industrial automation and so on.Provide high precision and reliable shock vibration monitoring solutionsIt has been widely used in infrastructure projects around the world, helping customers realize the leap from data awareness to deep insights.

For more information about our products or to get support for similar cases, please visit our website or contact our technical consulting team.

Go to MSR Product Page

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