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A vehicle-mounted lithium battery energy storage system for traction of rail transit trains

An energy storage system and lithium battery technology, applied in vehicle energy storage, electric traction, load supply circuit, etc., can solve problems such as inability to run long distances, small size, etc., and achieve the effect of ensuring safe and reliable operation and meeting traction requirements

Active Publication Date: 2018-08-07
SHANGHAI AEROSPACE POWER TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The system has higher energy density and smaller volume, and the safety and reliability of the system are increased through the management of the safety management unit and the remote safety management unit, which provides the possibility for the large-scale application of the system on rail transit trains and effectively solves the problem of Technical problems that trains cannot run for long distances in areas without electricity

Method used

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  • A vehicle-mounted lithium battery energy storage system for traction of rail transit trains
  • A vehicle-mounted lithium battery energy storage system for traction of rail transit trains
  • A vehicle-mounted lithium battery energy storage system for traction of rail transit trains

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Embodiment Construction

[0029] The specific embodiments of the invention will be further described below in conjunction with the accompanying drawings.

[0030] The invention is a vehicle-mounted energy storage lithium battery system for traction. The system uses a power lithium battery as an energy storage output unit, and through a battery management unit (BMU), a battery safety management unit (SCU), a remote safety monitoring unit (RSCU), Devices such as high-voltage electrical components manage lithium batteries. High-voltage electrical components mainly include contactors, fuses, disconnectors, current sensors, DC-DC modules, etc.

[0031] like figure 1 As shown, the system mainly includes: power lithium battery 10, bottom electronic control unit (LECU) 20, fuse 30, current sensor 40, main contactor 50, battery control unit (BCU) 60, DC-DC module 70, battery safety Management unit (SCU) 80, remote security monitoring unit (RSCU) 90, manual isolating switch 11.

[0032] As the energy output u...

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Abstract

The invention provides a rail transit train traction vehicle lithium battery energy storage system comprising a power lithium battery, a battery management unit (BMU), a battery safety management unit (SCU), a remote safety monitoring unit (RSCU), and a high voltage electric part; a bottom layer electronic control unit (LECU) of the battery management unit collects battery information and carries out balance management for the battery; a battery control unit (BCU) can control the system according to battery information. The battery safety management unit verifies uploading information of the battery control unit and the bottom layer electronic control unit, can restart the battery control unit when management failure happens, and can report first level fault if the restart fails; a communication gateway in the remote safety monitoring unit receives the information uploaded by a battery pack management system, the information is displayed by a display screen, and the data is sent to a server through a remote monitoring module configured in the display screen. The rail transit train traction vehicle lithium battery energy storage system is applied to traction usage of the train in a non-electric zone, and triple safety managements can effectively ensure the system to safely and reliably operate.

Description

technical field [0001] The invention relates to the technical field of traction power for rail transit trains, in particular to a lithium battery energy storage system technology for traction of rail transit trains. Background technique [0002] With the development of the city, the urban population is increasing, and the importance of rail transit to the city is also increasing. Rail transit vehicles carry most of the pressure of urban population transportation, and with the increase of vehicle running time, the failure rate of rail transit vehicles is also on the rise. In the traditional mode, after a train fails, the train in the track needs to be emptied, and the traction train is driven into the track to pull the faulty train out of the running line. This rescue mode takes a long time to rescue, and accidents such as passengers entering the tunnel and passengers smashing windows are prone to occur, causing greater economic losses and greater social impact. [0003] In...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60L11/18H02J7/00
CPCB60L58/10B60L2200/26H02J7/0063Y02T10/70
Inventor 宋劲松彭健陈道周钦哲姜发令蒋新华
Owner SHANGHAI AEROSPACE POWER TECH
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