Charging power supply of electric vehicle and charging method of electric vehicle
A technology for electric vehicles and charging power sources, applied in the field of power sources, can solve the problems of long charging time and inability to completely cover the charging voltage range of low-endurance cars, and achieve the effects of improving charging efficiency, increasing the scope of application, and broadening the output range
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Embodiment 1
[0035] An embodiment of the present invention provides a charging power supply for electric vehicles, see figure 1 , the charging power source includes:
[0036] Two DC output modules 1 and 2 are respectively connected to the output terminal VOUT of the power supply, and are used to output a DC power supply for external power supply; and,
[0037] A switch module 3 is connected to the two DC output modules 1, 2 and the power supply output terminal VOUT respectively, and is used to switch the two DC output modules 1, 2 on or off according to the type of the electric vehicle. 2, so that the two DC output modules 1, 2 can charge the electric vehicle through the corresponding connection relationship.
[0038] It should be noted that the two DC output modules 1 and 2 respectively output DC power. According to the type of electric vehicle, the switch module 3 connected to the two DC output modules 1 and 2 switches the two DC outputs by turning on or off. The modules 1 and 2 are co...
Embodiment 2
[0063] An embodiment of the present invention provides a method for charging an electric vehicle using the charging power source in the above embodiment, see figure 2 ,include:
[0064] S1. Obtain the type of electric vehicle;
[0065] S2. According to the type of the electric vehicle, switch the connection relationship between the two DC output modules, so that the two DC output modules charge the electric vehicle through the corresponding connection relationship.
[0066] It should be noted that when the type of electric vehicle is a minibus or a car, the control switch module is turned on, and the connection relationship between the two DC output modules is switched to parallel connection, so that the DC power output by the two DC output modules is connected in parallel to The electric vehicle is charged; when the type of the electric vehicle is a bus, the control switch module is turned off, and the connection relationship between the two DC output modules is switched to...
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