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Battery series circuit and parallel circuit rapid switching device and switching method

A fast switching and parallel technology, which is applied in sorting and other directions, can solve the problems of low safety and complex switching methods of series and parallel circuits, and achieve high safety, simple and fast use, and improve detection efficiency.

Active Publication Date: 2018-06-12
UNIV OF SHANGHAI FOR SCI & TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the above-mentioned problem of complex and low safety when switching series-parallel circuits in the traditional battery consistency detection process, and the purpose is to provide a fast switching device and switching method for battery series-parallel circuits

Method used

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  • Battery series circuit and parallel circuit rapid switching device and switching method
  • Battery series circuit and parallel circuit rapid switching device and switching method

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Embodiment Construction

[0017] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the following embodiments are combined with the accompanying drawings to specifically describe the composition, working principle and beneficial effects of the battery series-parallel circuit fast switching device provided by the present invention, that is, the switching method. elaborate.

[0018] figure 1 It is a schematic structural diagram of a fast switching device for a battery series-parallel circuit.

[0019] like figure 1 As shown, the battery series-parallel circuit fast switching device 1 in this embodiment is connected to at least two batteries and used to switch the series or parallel state between individual batteries, and has a power supply 11, four battery fixing connectors 12, and a switch 13 , three contactors and four relays.

[0020] The power supply 11 is a battery or a socket connected to the mains. In this embodiment...

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Abstract

A battery series circuit and parallel circuit rapid switching device comprises a power source, a plurality of battery fixing connection pieces, a switching switch, a plurality of contactors and a plurality of relays, wherein each battery fixing connection piece is provided with a series positive electrode, a series negative electrode, a parallel positive electrode and a parallel negative electrode; each contactor is provided with two normally open contacts which can be opened and closed and a coil; each relay is provided with two normally open contacts which can be opened and closed and a coil; the part between every two battery fixing connection pieces is provided with one contactor, wherein one contact of the contactor is connected with the series positive electrode of one battery fixingconnection piece, and the other contact of the contactor is connected with the series negative electrode of the other battery fixing connection piece; the coils of the contactors are connected with aseries gear and the power source in series to form a closed loop circuit; and each battery fixing connection piece is further provided with one relay, one contact of the relay is connected with the parallel positive electrode of the battery fixing connection piece, and the other contact of the relay is connected with the parallel negative electrode of the battery fixing connection piece; and thecoils of the relays are connected with a parallel gear and the power source in parallel to form a closed loop circuit.

Description

technical field [0001] The invention relates to a circuit switching device, in particular to a fast switching device and a switching method for battery series-parallel circuits. Background technique [0002] In recent years, with the increasingly prominent environmental and energy issues, governments of various countries have paid more and more attention to the development of new energy sources. Especially in the automobile industry, all countries have begun to vigorously develop new energy vehicles, among which pure electric vehicles and plug-in electric vehicles are the main ones. Regardless of pure electric vehicles and plug-in electric vehicles, a large number of batteries are used as the power source of the vehicle. However, due to the unavoidable differences in the process of battery manufacturing, such as differences caused by different raw materials and processing techniques, there are inconsistencies in capacity and internal resistance among different batteries. B...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B07C5/344
CPCB07C5/344B07C2301/0008
Inventor 郑岳久乔冬冬来鑫周龙
Owner UNIV OF SHANGHAI FOR SCI & TECH
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