Zhongke Shengxuan Vibration Quality Control Detection System: Vibration Control Solution for Industrial Manufacturing

Vibration Analysis Function

The Zhongke Shengxuan Vibration Detection System is designed to provide practical solutions for product vibration and abnormal sound quality control in the industrial manufacturing sector.

声压级（SPL, Sound Pressure Level）：describes the instantaneous sound pressure intensity of a sound signal.
均值（Mean Value）：The average value of the acoustic signal.
峰值（Peak Value）： The maximum amplitude of the acoustic signal.
均方根值（RMS, Root Mean Square）：represents the effective value of the sound signal.
峭度（Kurtosis）：A measure of the peakiness of an acoustic signal.
偏度（Skewness）：describes the waveform asymmetry of the sound signal.
峰值因子（Crest Factor）：The ratio of the peak value to the root mean square value.
自相关性（Autocorrelation）：used to analyze the periodicity or repetitiveness of sound signals.

频谱（Spectrum）：Displays the amplitude of each frequency component of the sound signal.
功率谱密度（PSD, Power Spectral Density）：describes the energy distribution of an acoustic signal at frequency.
互功率谱（Cross Power Spectrum）：Analyzes the frequency domain correlation between two sound signals.
谐波分析（Harmonic Analysis）： detects harmonic components in sound signals.

短时傅里叶变换（STFT, Short-Time Fourier Transform）：analyzes the local changes of sound signals in the time-frequency domain.
小波变换（Wavelet Transform）： used for multi-resolution analysis in the time-frequency domain.
希尔伯特-黄变换（HHT, Hilbert-Huang Transform）：Processes time-frequency analysis of nonlinear and non-stationary signals.

方差（Variance）： describes the degree of fluctuation of the sound signal.
标准差（Standard Deviation）：Quantifies the fluctuation intensity of the sound signal.
峭度（Kurtosis）：describes the peak nature of the sound signal.
偏度（Skewness）：describes the waveform asymmetry of a sound signal.

加窗（Windowing）：Reduce spectrum leakage.
重叠平均（Overlap Averaging）： Improves the stability of spectrum estimation.
滤波（Filtering）：used to remove noise.
积分和微分（Integration and Differentiation）：used for signal processing and conversion.

响度（Loudness）： describes the human ear’s subjective perception of sound intensity.
时变响度（Time-varying Loudness）：The change of loudness over time.
尖锐度（Sharpness）： reflects the high-frequency components in the sound.
粗糙度（Roughness）： A measure of the harshness of a sound.
抖动度（Fluctuation Strength）： Describes the small fluctuations in the sound signal.
偏斜度（Skewness）：Describes the asymmetry of the sound spectrum.
平衡度（Balance）：Describes the balance of the sound spectrum.

Vibration Quality Control Detection Solution

Supports contact-type accelerometer measurements；
Supports non-contact laser vibrometer measurements；
Analysis modules: Time domain, FFT, CPB harmonic analysis, order analysis, STFT, cross-power spectrum, power spectrum, and power spectral density (PSD), as well as functions like windowing, overlap averaging, first and second derivatives, and smoothing。
Supports interaction with production line automation PLC signals.
Customizable OK and NG threshold settings to automatically determine good and defective products based on collected vibration signals.
Supports product barcode entry, data storage, and statistical analysis.
Customizable automation production line vibration quality inspection solutions.

Scenario application

Auto parts

The noise test box is mainly used to test the noise, vibration, NVH, etc. of automobile parts. Tested products include engines, car seat drives, displays, car actuators, air conditioning systems, etc. Through the noise test box, automobile manufacturers can carry out effective noise control and optimization during the design and development process, improving the overall quality and user experience of the vehicle.

3C electronics field

The noise test box is mainly used to test the noise, vibration, sound pressure level, etc. of 3C products. Tested products include smartphones, headphones, speakers, computer fans, tablets, micro motors, etc. Through the noise test box, 3C electronic product manufacturers can effectively monitor and control product noise to ensure their competitiveness in the market and user satisfaction.

Medical device

The noise test box is mainly used to test the noise, abnormal sound, sound quality, etc. of medical equipment. Products tested include ventilators, dental equipment, surgical machinery, monitors and more. With noise test chambers, medical device manufacturers can ensure that their products do not produce excessive noise when in use, thereby improving patient comfort and device reliability.

Home appliance field

Noise test boxes are mainly used to test noise, vibration, sound quality, etc. in the field of home appliances. Test products include air conditioners, vacuum cleaners, refrigerators, washing machines, etc. Through the noise test box, home appliance manufacturers can effectively control product noise to ensure their competitiveness in the market and user satisfaction.