Ultrasonic Lens Cleaning Module (UL0001): Ensuring Uninterrupted Vision Through Piezoelectric Vibration

Ultrasonic Lens Cleaning Module will be exhibited at the Consumer Electronics Show (CES) in Las Vegas, USA.

Consumer Electronics Show (CES)
Dates: January 6–9, 2026
Location: Las Vegas, USA
Booth Number: North Hall 10529

Maintaining optical clarity is critical for imaging systems in harsh or variable environments. The Ultrasonic Lens Cleaning Module (UL0001) provides an advanced, reliable, and compact solution for autonomous lens cleaning. Based on the inverse piezoelectric principle of piezoelectric ceramics, this module directly addresses the challenges of water droplet accumulation, frost, and light debris on lens surfaces.

Core Technology and Working Principle
The module's operation hinges on a precise physical phenomenon. When a specific electrical drive signal is applied, the integrated piezoelectric ceramic element undergoes high-frequency mechanical deformation. This controlled vibration is transferred to the lens or a bonded substrate. By operating in different vibration drive modes, the module can generate tailored mechanical energy to disrupt the adhesion of contaminants:

Water Removal Mode: High-frequency, lower-amplitude vibrations create standing waves or surface waves that shear off water droplets, causing them to coalesce and roll away.

Defrosting Mode: Specific vibrational patterns can disrupt the crystalline structure of frost or thin ice layers, facilitating their rapid detachment and melting.

This method offers a non-contact, chemical-free, and purely physical cleaning mechanism.

Key Application Fields
The UL0001 module is designed for integration into systems where visual reliability is non-negotiable:

Vehicle-mounted Cameras: Ensures the functionality of ADAS (Advanced Driver-Assistance Systems), surround-view, and dash cameras in rain, snow, and sleet, crucial for safety.

Industrial Lenses: Protects vision systems in manufacturing, robotics, and quality control from dust, oil mist, and splashes, minimizing downtime.

Security Cameras: Maintains continuous surveillance capability in all weather conditions, preventing obscured views due to rain, frost, or spider webs.

Other Fields: Also suitable for agricultural drones, outdoor sensors, and any enclosed optical device requiring self-maintenance.

Advantages and Value Proposition
Compared to traditional methods like wipers or air jets, this ultrasonic solution is:

Compact & Integrable: Its thin profile allows for seamless design integration.

Low Power Consumption: Efficient operation suitable for always-on systems.

High Reliability & Long Life: Solid-state design with no moving parts in contact with the lens.

Effective & Versatile: Capable of handling both liquid and solid obstructive materials.

Conclusion
The Ultrasonic Lens Cleaning Module (UL0001) represents a smart, electromechanical approach to a persistent optical challenge. By harnessing piezoelectric vibrations, it ensures that critical imaging systems maintain a clear "vision," enhancing safety, reliability, and operational continuity across automotive, industrial, and security applications.