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A low-voltage power supply system for a new energy vehicle

A technology for new energy vehicles and power supply systems, applied in electric vehicles, current collectors, vehicle components, etc., can solve the problem of high cost and achieve the effect of reducing the cost of the whole vehicle, reducing the curb quality and saving the cost of the whole vehicle

Inactive Publication Date: 2018-12-21
ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0005] At present, the cost of new energy vehicles is relatively high, not only considering the cost of DCDC controller and algorithm, but also the cost of low-voltage batteries

Method used

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  • A low-voltage power supply system for a new energy vehicle

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Embodiment Construction

[0017] The invention considers that the new energy battery pack is composed of several battery cells connected in series and parallel, so the low-voltage battery pack is directly selected from the high-voltage battery pack, and the fuse is connected in series to supply power to the low-voltage control unit, and the DCDC controller and the on-board battery are eliminated.

[0018] The new power supply scheme of the new energy vehicle includes a high-voltage battery pack 1, a fuse 3, an electrical component a4, an electrical component b5, an electrical component c6, and an electrical component n7. It consists of a low-voltage negative pole 8 and a low-voltage positive pole 9. The high-voltage battery pack 1 is composed of several battery cells 2 connected in series and in parallel.

[0019] The present invention obtains weak electricity from the low-voltage electricity formed in parallel among several battery cells 2 in the high-voltage battery pack 1, and connects the fuse 3 in...

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PUM

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Abstract

The invention discloses a novel low-voltage power supply system for a new energy vehicle, comprising a high-voltage battery pack, wherein the high-voltage battery pack is composed of a plurality of battery cells connected in series and in parallel; two ends of battery cells connected in series are led out of a low-voltage power supply interface; and the low-voltage power supply interface is connected with an electric appliance through a fuse. The invention has the advantages that: 1, the cost of the whole vehicle is reduced, the cost of the DCDC controller and the battery unit and the peripheral auxiliary wire harness are saved; 2, that DCDC and the battery are cancel in the whole vehicle, the weight of the whole vehicle decreases, and the endurance of the whole vehicle increase; 3, that available space of the whole vehicle is enlarge.

Description

technical field [0001] The invention relates to the field of new energy automobiles, including electric automobiles, various hybrid automobiles, vinyl automobiles and the like. It specifically relates to a new low-voltage power supply system for new energy vehicles. Background technique [0002] At present, the power supply method of the low-voltage control unit of the traditional new energy vehicle is to take the high-voltage power through the high-voltage power supply unit of the new energy vehicle. Electric storage vapor charging. The battery discharge supplies power to various controllers. [0003] The above traditional power supply methods must use batteries and DCDC controllers, and use system DCDC control algorithms to achieve battery charge and discharge balance. [0004] shortcoming: [0005] At present, the cost of new energy vehicles is relatively high, not only considering the cost of DCDC controllers and algorithms, but also the cost of low-voltage batteries...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L1/00
CPCB60L1/00B60L2210/10
Inventor 刘贵如刘志军王陆林
Owner ANHUI UNIVERSITY OF TECHNOLOGY AND SCIENCE
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