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Method and device for switching power mode of electric vehicle

A power mode and switching device technology, applied in electric vehicles, circuit devices, battery circuit devices, etc., can solve the problems of power consumption and inconvenience, and achieve the effect of extending the power supply time and improving the endurance.

Inactive Publication Date: 2011-07-06
KYMCO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when the battery is discharged with a high current for a long time, its power will be consumed rapidly, and the endurance of the electric vehicle will naturally decrease, and the user must recharge frequently, which is very inconvenient in use

Method used

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  • Method and device for switching power mode of electric vehicle
  • Method and device for switching power mode of electric vehicle
  • Method and device for switching power mode of electric vehicle

Examples

Experimental program
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Embodiment Construction

[0024] Please refer to figure 1 , 2 As shown, in the following detailed description, an electric vehicle is taken as an example for description, and the electric vehicle power mode device of the present invention includes:

[0025] The power source (28) is used to generate power for the electric vehicle;

[0026] a controller (20), configured to control the power source (28);

[0027] The wheel speed sensing element (22), in this embodiment, senses the wheel speed of the electric vehicle through a Hall element, and the wheel speed is received by the controller (20), and the output signal of the Hall element can be passed to the controller through a filter circuit device (20);

[0028] A resistor voltage divider circuit (24), the voltage of the battery of the electric vehicle is obtained through the resistor voltage divider circuit (24), and the voltage is received by the controller (20);

[0029] The temperature sensing element (26) is provided with a thermistor on the cir...

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PUM

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Abstract

The invention relates to a method and device for switching the power mode of an electric vehicle. The method comprises the following steps of: judging whether a power mode change-over switch arranged on the electric vehicle is pressed down for a certain period of time, whether the wheel speed of the electric vehicle is greater than or equal to the preset wheel speed value, whether the instant voltage of a battery is greater than the preset voltage value, and whether the temperature of a controller is lower than the preset temperature value; if all judgment conditions are met, controlling the battery of the electric vehicle to output a relatively large current power-supply power source so as to provide relatively strong power; and if any one condition is not met, controlling the battery to output the current required by a common power mode. According to the invention, the convenience of users is enhanced through mode switching, the power is increased, and the power supply time of the battery can also be prolonged, thereby improving the endurance of the electric vehicle.

Description

technical field [0001] The invention relates to a method and device for switching power modes of an electric vehicle, in particular to a power supply mode switching of an electric vehicle depending on the actual driving conditions, and the power mode can be switched according to the user's needs, which can improve the climbing force and effectively improve the battery life. Background technique [0002] Compared with vehicles that are powered by fuel and are prone to pollution, pure electric vehicles use electricity as their power source and will not cause air pollution. It can be said to be the most environmentally friendly means of transportation. When considering the performance of electric vehicles in various aspects, the most concerned factors are nothing more than the weight of the vehicle body, battery power storage capacity, endurance and power supply security, etc., and these factors are also closely related to each other. When the capacity is higher, the battery li...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J7/00B60R16/02
Inventor 黄宏耀
Owner KYMCO
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