Electric vehicle power-on control method, device and electric vehicle
An electric vehicle and electric control technology, applied in the field of electric vehicle power-on control and electric vehicle, can solve the problems of low efficiency and single control method, and achieve the effect of high efficiency, flexible control method and improved cruising range.
Active Publication Date: 2019-11-22
BEIJING ELECTRIC VEHICLE
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Problems solved by technology
[0004] However, the above-mentioned control method for powering on and off the electric vehicle only realizes the control of powering on and off the whole vehicle according to the state of the key switch, and the control method is single and the efficiency is low.
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[0055] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention. On the contrary, the embodiments of the present invention include all changes, modifications and equivalents coming within the spirit and scope of the appended claims.
[0056] Specifically, each embodiment of the present invention aims at the existing power-on and power-on control methods of electric vehicles, and only realizes the control of power-on and power-on of the whole vehicle according to the state of the key switch. The control method is single and the efficiency is low. Power on and off, which causes energy loss and poor user e...
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The invention brings forward a powering-up control method and device for an electric automobile and an electric automobile. The method comprise steps of determining a current operation state of the electric automobile when the electric automobile is at a low-voltage powering-up state, determining an electric automobile target system to-be-powered up with high voltage power according to the currentoperation state of the electric automobile, and controlling the target system to be powered up with high voltage power. Therefore, according to the current operation state of the electric automobile,the corresponding target system can be powered up with high voltage power, so powering-up and off can be controlled for the electric automobile; the control method is flexible and highly effective; only the target system corresponding to the current operation state can be powered up, so energy loss can be reduced, endurance mileage of the electric automobile can be improved; and user experience can be enhanced.
Description
technical field [0001] The invention relates to the technical field of electronic control of new energy vehicles, in particular to an electric vehicle power-on control method and device, and the electric vehicle. Background technique [0002] With the development of the economy and the further aggravation of environmental and energy problems, people's awareness of environmental protection has gradually increased, and electric vehicles powered by vehicle power supplies have gradually been favored by people. [0003] Existing electric vehicles control the high-voltage power-on and low-voltage power-on and power-off through the vehicle controller according to the state of the key switch, so as to ensure the timing of power-on and power-off when the vehicle is in high-voltage and low-voltage states. [0004] However, the above method for controlling the power on and off of the electric vehicle only realizes the control on power on and off of the whole vehicle according to the st...
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IPC IPC(8): B60L1/00B60L3/00
Inventor 谢明维易迪华刘成祺
Owner BEIJING ELECTRIC VEHICLE