Electric vehicle V2G control method and device
A technology of electric vehicles and control devices, which is applied in the direction of electric vehicles, control devices, battery/fuel cell control devices, etc., can solve the problems of inability to perform accurate control, easily affect the normal use of users, and low accuracy of discharge control, and achieve Avoid over-discharge, avoid influence, improve the effect of accuracy
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no. 1 example
[0041] See figure 2 , which shows a V2G control method for an electric vehicle provided in the first embodiment of the present invention, which can be specifically applied to a battery management system. Specifically, the method includes:
[0042] Step S10: receiving a discharge instruction triggered by a user.
[0043] In step S10, after the vehicle stops at the V2G electric pile, the user can connect the DC adapter of the V2G electric pile to the charging port of the electric vehicle. After the DC gun is connected, the V2G electric pile confirms the status of the gun insertion, and wakes up the battery management system and the vehicle controller in the dormant state through a hard-line wake-up. First, the battery management system will enter the self-test, and when the self-test is passed, the battery management system can generate a status signal that the self-test is passed. The status signal is sent to the vehicle controller, so that the vehicle controller enters the ...
no. 2 example
[0077] see image 3 , based on the same inventive concept, the second embodiment of the present invention provides a V2G control device 300 for an electric vehicle. The electric vehicle V2G control device 300 includes:
[0078] The receiving module 301 is used to receive the discharge instruction triggered by the user; the generation module 302 is used to generate discharge parameters based on the discharge instruction and the user's car demand; the sending module 303 is used to send the discharge parameters to V2G electric pile, so that the V2G electric pile receives the scheduling instruction of the grid energy management platform in real time; the discharge module 304 is used to control the power battery of the electric vehicle to discharge based on the scheduling instruction; the stop module 305 is used to obtain the discharge in real time stop signal, and control the power battery to stop discharging based on the discharge stop signal.
[0079] As an optional implementa...
no. 3 example
[0091] Based on the same inventive concept, the third embodiment of the present application is also a V2G control device for electric vehicles, including: a battery management system, a vehicle-machine system, and a vehicle controller; wherein:
[0092] The in-vehicle system is configured to generate a discharge instruction according to a user's trigger operation; the battery management system is configured to receive the discharge instruction triggered by the user, and generate a discharge instruction based on the discharge instruction and the user's vehicle demand. parameters; the battery management system is also used to send the discharge parameters to the V2G electric pile, so that the V2G electric pile can receive the scheduling instruction of the power grid energy management platform in real time; the battery management system is also used to The dispatching instruction controls the power battery of the electric vehicle to discharge; the battery management system is also...
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