Poster

Automotive-Grade Plasma Air Purification Module

Actively generates highly reactive plasma to work with HVAC systems for deeper cabin air purification and health protection

The plasma module uses automotive-grade high-voltage ionization technology to generate highly reactive plasma for active in-cabin air purification. It helps decompose or suppress bacteria, odors, harmful gases, and airborne particles, improving overall cabin air cleanliness and comfort. The module features a low-ozone design and precision high-voltage control to ensure effective purification while keeping ozone emission within automotive safety limits. With optimized discharge structure, insulation design, and material selection, it can maintain stable long-term operation under vibration, humidity, condensation, and frequent temperature changes. The plasma module can also work with the vehicle HVAC or air management system in real time. When cabin air quality declines, odors accumulate, or the vehicle remains enclosed for a long period, the system can automatically activate plasma purification mode and coordinate with fresh air, A/C, and filtration modules to accelerate pollutant removal. Under poor outdoor air conditions, it can also support intelligent cabin air protection and health management through coordinated control strategies.

Key Advantages

Efficient Purification

High-activity plasma generation helps suppress and decompose particles, bacteria, and odor molecules in a short time, improving cabin air cleanliness for healthier cockpit environments.

Highly Consistent Output

The plasma generation unit and high-voltage control module are developed in-house and verified through strict calibration and aging tests for stable, consistent mass-production performance.

Automotive-Grade Reliability

Designed and validated to automotive standards, the module operates reliably from -40°C to 85°C with strong resistance to vibration, shock, humidity, and aging.

Low Ozone, Low Power, Easy Integration

Optimized electrode structure and control strategy help reduce ozone emission. The compact, low-power design with standardized interfaces supports easy integration into HVAC, air purification, and intelligent cockpit systems.

Plasma Module Technology Principle
Plasma Module Principle Diagram
Plasma Module Technology Principle Illustration

Plasma Modules

The plasma module works closely with the vehicle air management system to actively release highly reactive plasma, helping suppress bacteria, viruses, odor molecules, and airborne particles for rapid decomposition and deactivation. When the vehicle operates in long enclosed driving conditions, multi-passenger scenarios, odor buildup, or poor outdoor air quality, the system can automatically activate plasma purification mode and coordinate with fresh air, A/C, and filtration systems to accelerate cabin air renewal and pollutant removal. Whether driving in urban traffic, tunnels, highways, or polluted environments, the plasma module delivers stable continuous operation without compromising ride comfort, providing deeper air purification and protection while improving cabin air safety and health for a cleaner and more reassuring travel experience.

Plasma Module Application Illustration
Technical Specifications
Automotive-Grade Plasma Module
Plasma Output Intensity
≥ 1×10⁶ particles/cm³ (Typical, air outlet position)
Protection Rating
IP5K
Ozone Emission
≤ 0.05 ppm (Compliant with in-cabin air safety standards)
Supply Voltage
DC 9V ~ 16V
Response Time
≤ 1 s (Typical)
Power Consumption
≤ 2.0 W (Typical Operating Condition)
Operating Temperature
-40°C ~ 85°C
Control Method
GPIO / PWM / LIN (Optional)
Storage Temperature
-40°C ~ 95°C
Installation Location
Vehicle HVAC Duct, Fresh-Air System, Cabin Air Purification Module
Operating Humidity
0 ~ 95% RH (Non-Condensing)

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