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electric charging station installation

Key points and innovative solutions for the installation of electric charging stations

1. Scientific planning of site selection and layout

The site selection of charging stations must take into account both traffic convenience and user concentration, and should be prioritized in areas such as main roads, commercial centers, residential areas and public parking lots to improve utilization efficiency. At the same time, it is necessary to evaluate the supporting conditions of power facilities to ensure that the power supply capacity matches the power demand of charging equipment to avoid operational hazards caused by insufficient grid load. For towns and remote areas, it can be promoted in stages based on the number of new energy vehicles in the region, with priority given to covering public service nodes such as town governments, hospitals, and schools, and gradually forming a three-dimensional charging network of "urban surface + highway line + rural point".

2. Equipment selection and technical adaptation

Charger types need to be configured differently according to the scenario:

‌2.1, Slow charging (3.3kW-7kW): Suitable for long-term parking scenarios such as residential areas and office parks to meet daily commuting charging needs;

‌2.2, Fast charging (20kW-120kW): Deployed in places such as highway service areas and transportation hubs to shorten user waiting time;

‌2.3, Supercharging (above 120kW): Using liquid cooling technology (such as Hongjiali's 720kW full liquid cooling supercharging system) to achieve 800A high current output, single charging time is compressed to within 15 minutes, significantly improving user experience.

Equipment supplier selection needs to focus on technical maturity and compatibility. For example, Hongjiali's smart charger has built-in over-temperature protection, short-circuit protection and other multiple safety mechanisms, and is compatible with more than 90% of mainstream vehicle battery management systems.

3. Construction and implementation of full-process management

‌3.1. Approval and filing: Submit the construction plan to the housing and construction, power and other departments, obtain land use permits and grid access approvals, and coordinate with the property owner to clarify the ownership of parking spaces; ‌

3.2. Construction specifications: Adopt modular wiring design, reserve 20% power expansion space; install dust filters and waterproof sealing devices to ensure the stability of equipment in high temperature and humid environments; ‌

3.3. Acceptance and commissioning: Complete insulation testing, load testing and remote communication joint commissioning to ensure real-time data communication between the charger and the operation and maintenance platform. ‌ 

4. Intelligent operation and maintenance solutions

4‌.1. Dynamic dispatch system: Display the real-time status of surrounding chargers (idle/occupied/faulty) through APP, use algorithms to guide vehicle diversion, and reduce queue congestion;

4‌.2. Preventive maintenance: Access Hongjiali's integrated management platform for photovoltaic storage and charging, monitor equipment temperature, voltage and other parameters in real time, and automatically trigger dust removal and maintenance reminders (such as 120kW/180kW DC charger filter cleaning cycle reminders) to reduce the failure rate;

4.3. Emergency guarantee mechanism: Add mobile charging vehicles during peak charging periods such as holidays, and use V2G technology to achieve two-way power supply between vehicles and power grids to alleviate regional power shortages.

The construction of electric charging stations requires the integration of policy support, technological innovation and refined operations. Through scientific site selection, equipment optimization and intelligent management, an efficient, safe and sustainable charging service system can be built. Liquid cooling super charging, intelligent operation and maintenance solutions provided by Hongjiali and other companies provide the industry with a replicable technical benchmark, helping to realize the industry vision of "charging for 5 minutes and a range of 200 kilometers".