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Electric vehicle control method and device

A technology of electric vehicles and control methods, applied in electric vehicles, control drive, electric traction, etc., can solve problems such as short circuit, damage of electrical components, battery cell shell rupture, etc., to ensure high voltage safety, easy to implement, and simple device structure Effect

Active Publication Date: 2017-10-10
BEIJING BORGWARD AUTOMOBILE CO LTD
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AI Technical Summary

Problems solved by technology

Vibration is inevitable during the operation of electric vehicles. Although for safety reasons, the power battery system will perform vibration tests on the power battery system in accordance with relevant national standards before leaving the factory, but when the vibration of the electric vehicle during driving When the strength exceeds the range that the power battery pack can withstand, the inside of the power battery pack may be damaged, and serious accidents such as rupture of the battery unit shell and short circuit of electrical components may occur
However, at present, the battery management system of electric vehicles does not monitor and protect the power battery pack for vibration, so the driver cannot keep abreast of the vibration of the vehicle power battery pack

Method used

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  • Electric vehicle control method and device
  • Electric vehicle control method and device
  • Electric vehicle control method and device

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Embodiment Construction

[0026] 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.

[0027] A control method and device for an electric vehicle according to an embodiment of the present invention will be described below with reference to the accompanying drawings.

[0028] figure 1 is a flowchart of a control method for an electric vehicle according to an embodiment of the present invention. Such as figure 1 As shown, according to the control method of an electric vehicle according to an embodiment of the present invention, wherein the electric vehicle includes a vibration detection component and a controller, the meth...

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Abstract

The invention provides a control method of an electric vehicle. The electric vehicle comprises a vibration detection assembly and a controller. The method comprises the following steps that the vibration detection assembly detects the vibration state of a power battery in the electric vehicle, and generates a vibration detection signal; the controller performs alarming according to the detection signal, and / or controls the power battery to stop supplying power to the outside. By applying the method, the high voltage safety of the vehicle can be guaranteed. The invention also provides a control device of the electric vehicle.

Description

technical field [0001] The invention relates to the technical field of automobile manufacturing, in particular to a control method and device for an electric automobile. Background technique [0002] At present, the battery management system of electric vehicles only provides voltage monitoring, current monitoring and temperature monitoring functions for the power battery pack, as well as overvoltage, overcurrent and overtemperature safety protection, but does not provide vibration monitoring and protection functions. Vibration is inevitable during the operation of electric vehicles. Although for safety reasons, the power battery system will perform vibration tests on the power battery system in accordance with relevant national standards before leaving the factory, but when the vibration of the electric vehicle during driving When the strength exceeds the range that the power battery pack can bear, damage may occur inside the power battery pack, and serious accidents such a...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L15/00B60L11/18
CPCY02T10/70
Inventor 周述易
Owner BEIJING BORGWARD AUTOMOBILE CO LTD
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