As the electric vehicle (EV) market continues to grow, the demand for efficient, reliable, and intelligent charging infrastructure is surging. With its flexible I/O configuration, high-performance processing capabilities, and industrial-grade reliability, the BL410 is well suited to meet the complex demands of EV charging systems. This case study explores the application of the BL410 in EV charging stations and highlights its key features and benefits.
EV charging stations require real-time data acquisition, communication with cloud platforms, and precise control of charging processes. These stations must operate reliably in diverse environmental conditions, support multiple communication protocols, and enable remote monitoring and maintenance. The ARMxy BL410 series addresses these needs through its advanced hardware and software capabilities, making it an excellent choice for both AC and DC charging stations.
The BL410 industrial computer is deployed as the central controller in EV charging stations, managing critical functions such as data acquisition, protocol conversion, and cloud integration. Below is an overview of how the BL410 is utilized in this application:
The BL410 is customized to meet the specific needs of EV charging stations:
Processor and Memory: Equipped with a Rockchip RK3568J/RK3568B2 quad-core ARM Cortex-A55 processor (up to 2.0 GHz) and 4GB LPDDR4X RAM, the BL410 ensures efficient processing of real-time data and multitasking for charging operations.
Storage: A 32GB eMMC storage configuration provides ample space for firmware, logs, and application data.
I/O Interfaces:
X Series I/O Board (e.g., X23): Configured with 4 RS485 ports for communication with charging modules and meters, and 4 digital inputs/outputs (DI/DO) for controlling relays and monitoring status signals.
Y Series I/O Board (e.g., Y31): Includes 4 analog inputs (0/4-20mA) for monitoring current and voltage during charging.
Communication:
Ethernet Ports: 3x 10/100M Ethernet ports enable robust connectivity to local networks and cloud platforms.
4G Module: A Mini PCIe slot with a 4G module (e.g., BL410L) ensures reliable cellular connectivity for remote access and data transmission.
WiFi Module: Optional WiFi support for local wireless communication.
Power and Protection: Supports a wide voltage range (9-36V DC) with reverse polarity and overcurrent protection, ensuring stable operation in fluctuating power conditions.
Mounting: DIN35 rail mounting facilitates easy installation within charging station enclosures.
The BL410’s software ecosystem enhances its suitability for EV charging applications:
Operating System: Runs Ubuntu 20.04, providing a stable and developer-friendly environment for application development.
Protocol Conversion: The pre-installed BLIoTLink software supports protocols such as Modbus, MQTT, and OPC UA, enabling seamless communication with charging modules, energy meters, and IoT cloud platforms like AWS IoT Core and Alibaba IoT.
Remote Access: BLRAT (Beilai Remote Access Tool) allows operators to monitor and maintain charging stations remotely, reducing downtime and service costs.
Node-RED: Facilitates rapid development of IoT applications, such as real-time monitoring dashboards and automated fault detection workflows.
Docker Support: Enables containerized deployment of applications, ensuring scalability and ease of updates.
The BL410 performs the following critical functions in EV charging stations:
Data Acquisition: Collects real-time data from energy meters (voltage, current, power) and environmental sensors (temperature, humidity) via analog and digital inputs.
Charging Control: Manages charging sessions by controlling relays and communicating with charging modules to regulate power delivery.
Cloud Integration: Transmits operational data (e.g., charging status, energy consumption) to IoT cloud platforms for analytics and billing.
Fault Detection: Monitors system health and triggers alerts for anomalies, such as overcurrent or communication failures, using Node-RED workflows.
User Interface: Supports optional HDMI output for local display of charging status or integration with touchscreen HMIs using Qt-5.15.2.
The BL410 is designed to withstand the harsh conditions often encountered in outdoor charging stations:
Temperature Range: Operates reliably from -40°C to +85°C (with RK3568J SOM), suitable for extreme climates.
IP30 Protection: Prevents dust ingress, ensuring durability in dusty environments.
EMC Compliance: Passes rigorous electromagnetic compatibility tests (e.g., ESD Level III, EFT Level III), minimizing interference and ensuring stable operation.
Vibration and Shock Resistance: Complies with sinusoidal vibration and free-fall tests, making it robust for transportation and installation.
The deployment of the ARMxy BL410 in EV charging stations offers several advantages:
Flexibility: Customizable I/O boards and SOM configurations allow tailored solutions for different charging station designs.
Reliability: Industrial-grade design with extensive environmental and EMC testing ensures long-term stability.
Scalability: Support for Docker and cloud integration enables easy expansion as the charging network grows.
Cost-Effectiveness: Remote access and maintenance via BLRAT reduce on-site service costs.
Rapid Development: Node-RED and Qt tools accelerate application development, shortening time-to-market.
The ARMxy BL410 series industrial computer is a powerful and versatile solution for managing EV charging stations. Its high-performance hardware, flexible I/O options, and robust software ecosystem enable efficient data acquisition, reliable communication, and seamless cloud integration. With its proven reliability in harsh industrial environments, the BL410 is helping to power the future of electric vehicle infrastructure, ensuring efficient and scalable charging solutions for a growing market.
