electric bus air conditioning
2 month ago
Core Innovations
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High-Efficiency Heat Pump with CO₂/Natural Refrigerant Options -
Utilizes R744 (CO₂) or R407C/R410A refrigerants with a coefficient of performance (COP) up to 3.3 even at -20°C, outperforming conventional PTC heaters. The transcritical CO₂ cycle enables efficient heating in temperatures as low as -25°C, critical for winter operations in cold regions . -
Dynamic de-icing functionality allows heat pump operation below -5°C, avoiding energy-intensive defrost cycles .
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Integrated Battery and Cabin Thermal Management -
Unifies cabin HVAC and battery cooling/heating into a single system, reducing weight, cost, and complexity. The battery-side cooling capacity reaches 8 kW during charging, preventing overheating during fast charging while maintaining cabin comfort . -
Direct cooling/heating modes for liquid-cooled batteries minimize thermal lag by 30%, enhancing battery life and range .
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Durability for Demanding Environments -
IP67-rated sealing protects compressors and electronics from dust, moisture, and vibration, ensuring reliability in harsh urban or rural settings . -
Aerospace-grade aluminum-silicon alloy housings and corrosion-resistant condensers withstand long-term exposure to UV radiation, salt, and temperature swings .
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Energy-Smart Operations -
Inverter-driven compressors and EC fans adjust output based on real-time passenger load and ambient conditions, reducing energy consumption by up to 40% compared to fixed-speed systems . -
Waste heat recovery from powertrains (e.g., motors, inverters) supplements cabin heating, cutting winter range loss by >30% .
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Technical Specifications
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Performance Highlights
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Range Optimization: In -40°C conditions, auxiliary phase change material (PCM) storage units (optional) can extend range by 115.5% by reducing cabin preheating time by 65% . -
Smart Diagnostics: CAN bus connectivity and predictive maintenance algorithms monitor system health, alerting operators to issues before failures occur . -
Environmental Compliance: Meets EU ELV, RoHS, and CALGreen standards with near-zero GWP refrigerants .
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- Zhengzhou Newbase Auto Electronics Co., Ltd.
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Main Product:
Bus air conditioning ,
Bus air conditioner,
New energy vehicle water-cooled unit,
Battery Thermal Management System,
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DCDC power supply