Automotive power supply system with dual storage batteries

A dual-battery, power supply system technology, applied in electric vehicles, electric traction, vehicle energy storage, etc.

Inactive Publication Date: 2012-11-21
SAIC MOTOR
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The automotive electrical system disclosed in the above-mentioned Chinese patent application adopts a dual-battery configuration, which makes it possible to extend the working life of the battery. However, to really extend the working life and improve the utilization efficiency of electric energy at the same time, it also depends on a sound electric energy management strategy.

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  • Automotive power supply system with dual storage batteries
  • Automotive power supply system with dual storage batteries
  • Automotive power supply system with dual storage batteries

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Embodiment Construction

[0034] The present invention is illustrated below by describing specific embodiments of the present invention with reference to the accompanying drawings. However, it should be understood that these specific embodiments are only exemplary, and have no limiting effect on the spirit and protection scope of the present invention.

[0035] In this specification, the word "coupling" should be understood as including the situation of direct transmission of energy or signals between two units, or the situation of indirect transmission of energy or signals via one or more third units, and the Signals include, but are not limited to, those in electrical, optical, and magnetic forms. In addition, terms such as "comprising" and "comprising" indicate that in addition to the units and steps that are directly and explicitly stated in the specification and claims, the technical solution of the present invention does not exclude any elements that are not directly or explicitly stated. The si...

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Abstract

The invention relates to an automotive electronic technology, especially relates to an automotive power supply system with multiple storage batteries as energy storage equipment. The automotive power supply system with dual storage batteries comprises a generator, a first storage battery, a second storage battery and a control unit, wherein the first storage battery is coupled in parallel with the generator to form a power supply circuit, the second storage battery is coupled in parallel with a starter to form a start circuit, and the control unit can be controllably coupled between the power supply circuit and the start circuit and provides direct current to direct current transformation, wherein the direct current to direct current transformation operation is applied to the output of the first storage battery or the second storage battery by the control unit so as to charge between the two storage batteries, and the direct current to direct current transformation operation is applied to the output of the generator by the control unit so as to charge the second storage battery from the generator. In one embodiment, the automobile is enabled to be started successfully for the next time through a method of charging the second storage battery by the first storage battery and / or the generator.

Description

technical field [0001] The invention relates to automobile electronic technology, in particular to an automobile power supply system utilizing multiple storage batteries as energy storage equipment. Background technique [0002] Traditional automobiles rely on fossil fuels such as petroleum as energy sources. With the widespread use of automobiles, petroleum as a non-renewable energy source is becoming increasingly scarce. If this situation continues, it will eventually cause automobiles to become a pile of Heap of scrap iron. Faced with such a grim prospect, the industry is stepping up the development of new energy vehicles (such as pure electric vehicles and hybrid vehicles) to get rid of the above-mentioned difficulties. However, due to various factors such as manufacturing cost and economical use, there is still a long way to go for the large-scale commercialization of new energy vehicles, and many technical difficulties will be encountered during the period. Based on ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L11/18
CPCY02T10/7216Y02T10/7005Y02T10/70Y02T10/72
Inventor 邓恒李军
Owner SAIC MOTOR
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