An electric vehicle AC charging device and charging control method thereof
A charging control method and AC charging technology, applied to electric vehicles, battery circuit devices, circuit devices, etc., can solve problems such as electric shock risk operation, complexity, etc., and achieve the effects of high efficiency, convenient charging, and simple operation
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specific Embodiment 1
[0027] This embodiment is aimed at the electric vehicle guide circuit specified in the national standard GB / T20234.2-2011 figure 1 As shown, a specially designed AC charging device for electric vehicles.
[0028] like image 3 As shown, the present embodiment proposes an AC charging device for an electric vehicle, the AC charging device includes power lines L and N for providing electric energy; power supply interfaces connected to the power lines L and N; The second on-off switch K7 on L and N; when the second on-off switch K7 is closed, the electric energy of the power line L and N is transmitted to the power supply interface, and the power supply interface is charged, which can charge the electric vehicle, when the second on-off switch When K7 is disconnected, the power supply interface is not charged.
[0029] The AC charging device of this embodiment includes a controller, a first on-off switch K6, a state detection circuit of L and N power supply loops and a DC power s...
specific Embodiment 2
[0035] This embodiment is aimed at the provisions of the national standard GB / T20234.2-2011 figure 1 The EV lead circuit shown and the figure 2 The electric vehicle pilot circuit shown (or the electric vehicle pilot circuit with a voltage dividing resistor between the signal line CP and the grounding line PE) is a specially designed AC charging device for electric vehicles, which can be used for figure 1 The electric vehicle charging shown in the figure can also be used for figure 2 Electric car charging shown.
[0036] like Figure 4-6 As shown, the AC charging device includes all the content of the specific embodiment 1, which will not be repeated here. At the same time, the AC charging device is also equipped with a detection point 1 of the internal pilot circuit of the electric vehicle. The detection point 1 is connected to the DC power supply or the PWM signal output end of the controller after passing through the resistor R1 and the on-off switch S1. The detection p...
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