HZ-FA-8
Compact Acoustic Fingerprint Device
- Captures audible and ultrasonic signals through external sensors
- Performs edge-based voiceprint analysis
- Supports characteristic alarm mode and AI alarm mode for abnormal sound recognition
- Frequency response: 20Hz ~ 80kHz
- Storage:
64GB (Local Audio Record & Alarm Logs)
HZ-FA-8 Compact Acoustic Fingerprint Device
HZ-FA-8 is an 8-channel AI acoustic analysis engine designed for continuous monitoring of power equipment and industrial assets.
HZ-FA-8 combines high-speed sound acquisition, edge computing, voiceprint feature extraction and AI-based abnormal sound recognition. It helps operators detect early signs of equipment abnormality such as unstable operating sound, frequency shifts, abnormal band energy, loose clamps, cooler abnormal noise, overload, short-circuit impact and discharge-related acoustic events.
Voiceprint Features: A Fundamental Aspect of Industrial Monitoring
- In the realm of industrial operations, the subtle nuances of equipment sounds often hold the key to understanding their operational health. A device in its normal state emits specific, consistent sound characteristics that are unique to its design and function. These characteristics include energy levels, frequency, and periodicity, which remain relatively stable when the equipment is operating as intended. However, when a machine begins to degrade, malfunction, or encounter unusual conditions, its acoustic profile undergoes significant changes. These changes manifest in the form of irregularities in energy levels, disrupted periodicity, or the introduction of new frequency components that signal underlying issues.
- The ability to detect and interpret these acoustic variations is crucial for predictive maintenance and anomaly detection, enabling industries to prevent costly downtimes and extend equipment lifespan. Recognizing this potential, Hertzinno has pioneered innovative solutions that leverage advanced acoustic technology and artificial intelligence to monitor and analyze equipment sounds with unparalleled precision. Hertzinno’s suite of acoustic devices, including the cutting-edge acoustic camera and voiceprint equipment, represents a significant leap forward in industrial monitoring. These devices are designed to capture and interpret the intricate acoustic signatures of machinery, providing actionable insights into equipment health.
- The online acoustic camera, a standout product in Hertzinno’s portfolio, combines advanced sound localization technology with high-resolution imaging to pinpoint the source of unusual noises within a machine. This capability is particularly valuable in industries like power generation, where transformers and generators operate under immense stress, making them prone to failures. By identifying the exact location of abnormal sounds, the acoustic camera enables technicians to address issues before they escalate into major faults.
- Complementing the acoustic camera is Hertzinno’s voiceprint equipment, which specializes in capturing and analyzing the unique sound patterns emitted by machinery. These devices utilize voiceprint technology to record and store acoustic data, which is then subjected to sophisticated algorithms for detailed analysis. The process involves evaluating the sound data in both the time domain and frequency domain to extract meaningful characteristics that indicate equipment performance.
Transformer Acoustic Monitoring
Monitor transformer operating sound, cooler noise, load-related acoustic changes and discharge-related abnormal signals.
- Cooler abnormal sound recognition
- Heavy overload acoustic warning
- DC bias and discharge-related events
GIS Operation Sound Analysis
Analyze GIS operation sounds and acoustic differences between normal and abnormal switching states.
- Switching sound pattern monitoring
- Abnormal impact sound detection
- Time-frequency acoustic comparison
Distribution Box Sound Monitoring
Use compact external acoustic sensors to detect abnormal sound, impact, unstable operation and early fault signs.
- Abnormal sound pressure level
- Main frequency deviation
- Smoothness and stability changes
Cable Joint & Connector Monitoring
Detect acoustic or ultrasonic abnormalities around cable joints, connectors and power cable accessories.
- Surface discharge warning
- Corona discharge recognition
- Frequency band energy abnormality
Switchgear & Cabinet Monitoring
Support acoustic monitoring for switchgear cabinet, contact abnormality, mechanical operation noise and discharge-related events.
- Short-circuit impact alarm
- Loose clamp recognition
- Partial discharge acoustic features
Rotating Equipment Acoustic Monitoring
Monitor motors, fans, pumps and rotating equipment for unstable sound, bearing-related noise and abnormal acoustic patterns.
- Industrial abnormal sound monitoring
- Bearing and friction noise warning
- Edge acoustic feature analysis
Q&A
An acoustic camera is an imaging device used to locate and characterize sound sources. It consists of an array of microphones that simultaneously capture and process signals to create a representation of the sound source locations. This acoustic image is then overlaid in real time onto a digital camera image, enabling precise identification of the sound source.
Hertzinno’s acoustic camera, equipped with innovative architecture, AI-driven algorithms, and performance enhancements, is designed for a range of applications, including partial discharge detection, compressed gas leak detection, and mechanical fault identification.
The highly sensitive microphones of the Hertzinno Acoustic Camera can detect a broad range of acoustic frequencies, extending well beyond the audible spectrum. Hertzinno's AI-driven algorithm effectively filters out background noise, isolating ultrasound signatures associated with gas leaks or partial discharge.
The effective range of the Acoustic Camera depends on the frequency used for detection. For leak or partial discharge detection at a distance, the 10 to 30 kHz range is ideal. Higher frequency waves are more readily absorbed by the air, resulting in shorter detection ranges. To detect leaks over longer distances or partial discharge from high-voltage equipment outdoors, the camera should be tuned to lower frequencies, which can travel further.
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