Product Overview
This product is a high-performance, integrated power conversion solution engineered specifically for electric buses, commercial logistics vehicles, sanitation trucks, airport ground support vehicles, and other specialty electric vehicle platforms.
By integrating the On-Board Charger (OBC), DC-DC converter, and intelligent power management functions into a single compact system, this solution significantly simplifies vehicle electrical architecture, reduces installation complexity, optimizes spatial utilization, and substantially improves overall system reliability.
Designed for the demanding requirements of commercial vehicle platforms-such as extended continuous operation, high-frequency charging/discharging cycles, and complex operating environments-this system delivers efficient AC charging conversion, high-to-low voltage power transformation, and stable auxiliary power supplies. Backed by advanced thermal management design, intelligent communication interfaces, and comprehensive protection mechanisms, it helps manufacturers and system integrators accelerate electric vehicle platform development while lowering system integration costs.
Product Highlights
1. Integrated Multi-Function Power System
Compact Space Design: Combines the On-Board Charger, DC-DC converter, and intelligent control unit into a single enclosure.
Simplified Wiring Architecture: Effectively reduces external cabling and connection points, streamlining vehicle electrical system layouts.
High Reliability: Minimizes the number of independent components, lowering potential failure rates and long-term maintenance complexity.
2. High-Efficiency Energy Conversion
Advanced Power Electronics: Achieves efficient energy conversion between grid power, high-voltage battery systems, and low-voltage loads.
Reduced Energy Loss: Optimized power conversion design minimizes electrical power loss and enhances operating economy.
Wide Operating Range Adaptability: Ensures stable performance across diverse driving and charging environments.
3. Commercial Vehicle Heavy-Duty Design
Automotive-Grade Durability: Rigorously engineered for commercial vehicle profiles involving long working hours, frequent charging, and heavy loads.
Harsh Environment Resilience: Delivers exceptional resistance against vibration, wide temperature variations, dust, and moisture ingress.
4. Intelligent Communication and Control
Real-Time Monitoring: Supports standard vehicle communication protocols (such as CAN bus) for real-time status monitoring and system diagnostics.
Smart Power Distribution: Collaborates closely with the Vehicle Control Unit (VCU) to provide optimized energy distribution strategies and ensure operational safety.
5. Modular and Flexible Integration
Rapid Development and Deployment: Optimized mechanical and electrical structures shorten vehicle matching and development cycles.
Platform Adaptability: Modular design facilitates structural and performance adjustments tailored to different vehicle models.
Main Functions
AC Charging Function: Efficiently converts external grid alternating current (AC) into direct current (DC) to safely recharge high-voltage traction batteries.
DC-DC Power Conversion: Converts high-voltage battery power into stable low-voltage output to power vehicle controls, lighting, and auxiliary equipment.
Intelligent Power Management: Dynamically manages power distribution across onboard electrical subsystems to optimize overall energy efficiency.
Charging Monitoring and Diagnostics: Provides operational data acquisition, status feedback, and fault diagnosis capabilities.
Thermal Management Coordination: Effectively controls system temperatures during high-power charging and continuous operation.
Technical Specifications
|
Parameter |
Specification |
|
Product Type |
Multi-in-One OBC & DC-DC Integrated Assembly |
|
Target Applications |
Commercial Vehicles, Electric Buses, Logistics Trucks, Specialty/Municipal Vehicles |
|
Input Voltage |
Customized according to vehicle platform requirements |
|
Output Voltage |
Customized according to vehicle electrical load specifications |
|
Rated Power |
Customizable based on project requirements |
|
Charging Type |
AC Charging Integration |
|
Communication Interface |
CAN / Standard Vehicle Communication Protocols |
|
Cooling Method |
Air Cooling or Liquid Cooling Options |
|
Protection Functions |
Over-voltage, Over-current, Short-circuit, Over-temperature, Insulation Monitoring |
|
Installation Method |
Vehicle-Mounted Integrated Installation |
Comprehensive Safety Protection Mechanisms
- Over-voltage Protection
- Under-voltage Protection
- Over-current Protection
- Short-circuit Protection
- Over-temperature Protection
- Insulation Monitoring Protection
- Communication Fault and Abnormal Operating Condition Protection
Typical Application Scenarios
Electric Buses: Provides stable power distribution and charging support for urban transit fleets requiring high frequency and long endurance.
Electric Logistics Vehicles: Meets the high-efficiency charging and stable low-voltage power supply demands of urban delivery trucks and logistics fleets.
Municipal and Sanitation Vehicles: Delivers high-reliability power conversion for continuously operating specialized vehicles such as garbage compactors and street sweepers.
Airport and Industrial Special Vehicles: Suitable for airport ground support equipment, mining transport, and heavy industrial material handling electric platforms.
Customer Value
Multi-in-one integrated design effectively minimizes standalone components and shortens development cycles.
Reduced wiring harnesses and installation labor hours decrease long-term maintenance overhead.
Fewer external connection points significantly minimize system failure risks.
Engineering customization available for diverse vehicle models, voltage tiers, and spatial constraints.
Frequently Asked Questions
Q: What is a commercial vehicle multi-in-one OBC and DC-DC assembly?
A: This system integrates an On-Board Charger (OBC) and a DC-DC converter into a single compact housing, providing both AC charging capability and high-to-low voltage power conversion for electric commercial vehicles to simplify electrical architecture and improve reliability.
Q: Which vehicle types are supported by this product?
A: The system is widely applicable to electric buses, electric logistics trucks, municipal sanitation vehicles, airport ground support specialty vehicles, industrial transport vehicles, and other specialized electric vehicle platforms requiring high reliability and continuous operation.
Q: What are the advantages of an integrated system compared to independent modules?
A: Compared with traditional separated designs, the multi-in-one integrated system offers smaller spatial footprints, simplified external wiring, lighter total system weight, easier vehicle matching, higher reliability, and lower long-term maintenance costs.
Q: Can the system be customized for different vehicle platforms?
A: Yes. The system supports flexible engineering customization based on specific vehicle platform requirements, battery voltage levels, charging power limits, installation space constraints, and communication protocols.
Q: Does the system support intelligent communication?
A: Yes. The system is equipped with standard vehicle communication interfaces (such as CAN bus) to enable real-time data exchange, status monitoring, fault diagnosis, and intelligent energy management with the VCU.
Q: What safety protection functions are included?
A: The system integrates multi-layered safety protection mechanisms, including over-voltage protection, under-voltage protection, over-current protection, short-circuit protection, over-temperature protection, insulation monitoring protection, and communication fault protection to ensure safe and stable operation under harsh conditions.
Q: What cooling methods are available?
A: Depending on the power density and thermal dissipation requirements of the application scenario, the system can be flexibly configured with high-efficiency air cooling or liquid cooling solutions.
Q: How does this product enhance overall commercial vehicle performance?
A: By optimizing energy conversion efficiency, streamlining onboard electrical architectures, minimizing external connection risks, and providing precise intelligent power management, the system helps commercial vehicles achieve lower energy losses, higher uptime, and superior
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