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Electromobile hybrid battery-driven system

A hybrid battery and electric vehicle technology, applied in electric vehicles, power management, vehicle components, etc., can solve problems such as unstable output power of solar cells, and achieve the effect of reducing the number of repeated charging and discharging

Active Publication Date: 2012-09-05
HUAZHONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a hybrid battery drive system for electric vehicles, which solves the problem that the output load power of the existing hybrid power source combined with solar cells and storage batteries is fixed, and the output power of the solar cells is unstable, so as to meet the power supply needs of electric vehicles

Method used

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  • Electromobile hybrid battery-driven system

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Embodiment Construction

[0055] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0056] Such as figure 1 As shown, the present invention includes a first battery, an on-board charging system, a first DC converter, a second battery, a second DC converter, a solar cell group, a third DC converter, a permanent magnet synchronous motor, a drive controller, Vehicle condition feedback and engine control unit (ECU);

[0057] The charging terminal of the first battery is connected to the low-voltage DC interface of the on-board charging system through a cable, the charging and discharging terminal of the first battery is connected to the low-voltage DC interface of the first DC converter through a cable; the high-voltage DC interface of the first DC converter is connected to the high-voltage DC bus, and the vehicle is charged The high-voltage AC interface of the system is connected to the power grid;

[0058] The charging terminal of the ...

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Abstract

The invention relates to an electromobile hybrid battery-driven system and belongs to a power-driven system for an electromobile, and the system can be used for solving the problems that the output load power of the existing solar battery and storage batter combined hybrid power source is fixed and the output power of a solar battery in the power source is unstable. The electromobile hybrid battery-driven system disclosed by the invention comprises a first storage battery, a vehicle-mounted charging system, a first direct current converter, a second storage battery, a second direct current converter, a solar battery pack, a third direct current converter, a permanent magnetic synchronous motor, a driving controller, a vehicle condition feedback device and an engine control unit. The electromobile hybrid battery-driven system disclosed by the invention can automatically regulate the output power of the solar battery pack and a storage battery pack according to requirement of load power, when the output power of the solar battery pack is insufficient, the storage battery pack is automatically started to supply power, thus optimal coordination of the output power is realized, the problems that the output load power of the existing solar battery and storage battery combined hybrid power source is fixed and the output power of the solar battery in the power source is unstable are solved, and the system can adapt to the power supply requirement of the electromobile.

Description

technical field [0001] The invention belongs to an electric driving system of an electric vehicle, in particular to a hybrid battery driving system of an electric vehicle. Background technique [0002] Due to the increasing shortage of fuel resources and vehicle emissions, energy-saving and environmentally friendly electric vehicles have become the future development trend of new energy vehicles. A hybrid vehicle with a hybrid power source combined with an internal combustion engine and a storage battery belongs to the category of "energy-saving vehicles". Although this scheme has improved the environment and energy saving, it still cannot get rid of the dependence on fuel resources and the damage to the environment. [0003] Battery electric vehicles using batteries alone as the power source have made great progress, but limited by the volume and capacity of the batteries, the distance that can be driven per charge is limited, which is very inconvenient to use; and the bat...

Claims

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Application Information

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IPC IPC(8): B60L8/00B60L11/18
CPCY02T10/70Y02T10/7072Y02T10/72
Inventor 韦忠朝于克训马志源杨萌潘垣
Owner HUAZHONG UNIV OF SCI & TECH
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