k) The charging pile (bolt) should monitor the state of the battery, and automatically adjust according to the temperature of the battery, the voltage to the charging curve, the charging current, and the charging voltage;
Charging piles generally provide two charging methods: conventional charging and fast charging. People can use a specific charging card to swipe the card on the human-computer interaction interface provided by the charging pile to perform corresponding charging operations and cost data printing.
As the electric vehicle charging pile (bolt) on the power distribution side of the power grid, its structure determines that the characteristics of the automatic communication system are many and scattered measured points, wide coverage, and short communication distance.
The charging pile (bolt) should have a good shielding function against electromagnetic interference; ⑤ The bottom of the pile (bolt) body should be fixedly installed on a base not less than 200mm above the ground. The base area should not be larger than 500mm×500mm; 3. Power requirements 4. Electrical requirements
The AC charging pile (bolt) should comply with IP54 (outdoor), and be equipped with necessary rainproof and sunscreen devices; 7. Three defenses (anti-moisture, anti-mildew, anti-salt spray) protection The printed circuit boards, connectors and other circuits in the charger should be treated with anti-moisture, anti-mildew, and anti-salt spray.
Therefore, the selection of the communication mode of the electric vehicle charging pile (bolt) should consider the following issues: (1) Communication reliability – the communication system must withstand the test of harsh environment and strong electromagnetic interference or noise interference for a long time, and keep the communication smooth.
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