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Electric vehicle electric quantity management system suitable for calculating travel distance, working method and electric vehicle

A power management and electric vehicle technology, applied in the field of electricity, can solve problems such as the inability to accurately calculate the charging power of the battery pack, the inability to directly judge, and the damage of the battery pack

Pending Publication Date: 2019-09-06
李伯才
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. When the battery of the electric vehicle is low, the charger is used for charging, and it is impossible to directly judge whether the charger used is a supporting charger, which may easily cause damage to the battery pack
[0004] 2. During the charging process, it is impossible to accurately calculate the charging power of the battery pack, which may easily cause overcharging or undercharging of the battery pack to cause virtual power.
[0005] 3. It is impossible to effectively monitor the current voltage of the battery pack in real time during the use of the electric vehicle and the discharge capacity of the battery pack during the driving of the electric vehicle

Method used

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  • Electric vehicle electric quantity management system suitable for calculating travel distance, working method and electric vehicle
  • Electric vehicle electric quantity management system suitable for calculating travel distance, working method and electric vehicle
  • Electric vehicle electric quantity management system suitable for calculating travel distance, working method and electric vehicle

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Embodiment 1

[0032] Such as figure 1 Shown is a functional block diagram of an electric vehicle power management system according to an exemplary embodiment; the electric vehicle power management system includes: a battery pack, a battery sampling circuit, a power consumption detection circuit and a processor module, wherein the processor module is suitable for The purpose is to obtain the current power of the battery through the battery sampling circuit, and detect the power consumption of the electric vehicle at various driving speeds according to the power consumption detection circuit, so as to convert the distance that the current power of the battery pack can travel at the corresponding driving speed.

[0033] In this embodiment, the electric vehicle power management system further includes: a charging control circuit; the charging control circuit is suitable for charging the battery pack; the processor module is suitable for charging the battery pack according to the charging detecti...

Embodiment 2

[0045] On the basis of Embodiment 1, this embodiment provides a working method of an electric vehicle power management system, including: a battery pack, a battery sampling circuit, a power consumption detection circuit, and a processor module, wherein the processor module is adapted to pass The battery sampling circuit obtains the current power of the battery, and detects the power consumption of the electric vehicle at various driving speeds according to the power consumption detection circuit, so as to convert the distance that the current power of the battery pack can travel at the corresponding driving speed.

Embodiment 3

[0047] On the basis of the above embodiments, Embodiment 3 provides an electric vehicle, and the electric vehicle includes a power management system for the electric vehicle. The electric vehicle power management system is described in detail in Embodiment 1, please refer to the above content.

[0048] The beneficial effect of the present invention is that it can accurately judge whether the charger meets the requirements when charging the battery pack, obtain the charging power of the battery pack during the charging process, and effectively monitor the current voltage of the battery pack and the current voltage of the battery pack in real time during the use of the electric vehicle. The discharge power of the battery pack during the driving of the electric vehicle.

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PUM

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Abstract

The invention relates to an electric vehicle electric quantity management system suitable for calculating a travel distance, a working method and an electric vehicle. The electric vehicle electric quantity management system comprises a battery pack, a battery sampling circuit, an electricity consumption detecting circuit and a processor module, wherein the processor module is suitable for obtaining current battery capacity through the battery sampling circuit and detecting the electricity consumption of the electric vehicle at each traveling speed according to the electricity consumption detecting circuit so as to calculate the distance at which the traveling speed corresponding to the current battery capacity of the battery pack can travel.

Description

technical field [0001] The invention belongs to the technical field of electricity, and in particular relates to an electric vehicle power management system and an electric vehicle applying the system. Background technique [0002] The power management systems of electric vehicles in the prior art all have problems such as the following: [0003] 1. When the battery of the electric vehicle is low, the charger is used for charging, and it is impossible to directly judge whether the charger used is a matching charger, which may easily cause damage to the battery pack. [0004] 2. During the charging process, it is impossible to accurately calculate the charging capacity of the battery pack, which may easily cause overcharging or undercharging of the battery pack to generate virtual power. [0005] 3. During the use of the electric vehicle, it is impossible to effectively monitor the current voltage of the battery pack in real time and the discharge capacity of the battery pac...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L58/10H02J7/00H01M10/42
CPCH02J7/0047H01M10/425B60L58/10Y02T10/70Y02E60/10
Inventor 李伯才
Owner 李伯才