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A mobile battery life charging device for electric vehicles

A technology for electric vehicles and charging devices, applied in the field of electric power, can solve problems such as inability to do it, and achieve the effect of solving the driving range and being easy to carry.

Inactive Publication Date: 2019-03-22
辛建宏 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when an electric vehicle is charged with an external DC current, one end of the charging cable is connected to the charging pile, and the other end is connected to the charging port of the electric vehicle. The battery system has specifically set the restriction on prohibiting the vehicle from starting during the charging process through the software. Therefore, at present, electric vehicles cannot drive while charging. No-go restrictions for battery systems

Method used

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  • A mobile battery life charging device for electric vehicles

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] When the battery pack of the electric vehicle loses power, the electric vehicle is stationary, and the AC charging line of the on-board charger is inserted into the AC output socket 8 of the movable battery life charging device of the electric vehicle, and the CAN bus communication interface 7 is connected with the CAN in the battery management unit of the electric vehicle. The bus communication interface is connected, the battery management system 6 judges the AC charging mode through the communication protocol, and the control contactor 3 is connected to the AC terminal, so that the battery pack 2 is connected to the inverter power supply 4, and the current is converted into alternating current through the inverter power supply 4, which is The on-board charger provides AC power to charge the electric vehicle battery pack. After charging, take off the AC charging cable, and the electric vehicle can continue to drive.

Embodiment 2

[0027] When the battery pack of the electric vehicle loses power and the electric vehicle is stationary, insert one end of the DC charging cable into the DC charging port of the electric vehicle, and insert the other end into the DC output socket 9 of the movable battery life charging device of the electric vehicle, and the CAN bus communication interface 7 communicates with the electric vehicle. The CAN bus communication interface in the battery management unit is connected, and the battery management system 6 determines that it is a DC charging method through the communication protocol, and controls the contactor 3 to connect to the DC terminal, so that the battery pack 2 is connected to the DC charger 5, which is a DC charger. 5. Provide energy to charge the electric vehicle battery pack with DC. At the end of charging, remove the DC charging cable, and the electric car can continue to drive.

Embodiment 3

[0029] The movable electric vehicle battery life charging device is placed in the trunk of the electric vehicle, and the CAN bus communication interface 7 is connected with the CAN bus communication interface in the battery management unit of the electric vehicle. When the battery pack of the electric vehicle is out of power, insert one end of the DC charging cable into the DC charging port of the electric vehicle, and insert the other end into the DC output socket 9 of the movable battery life charging device of the electric vehicle, and the battery management system 6 judges that it is DC charging through the communication protocol In this way, the contactor 3 is controlled to connect to the DC terminal, so that the battery pack 2 is connected to the DC charger 5 to provide energy for the DC charger 5 to charge the electric vehicle battery pack with DC. At this time, the movable charging mode start switch 11 is pressed, and the battery management system 6 sends a request comm...

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PUM

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Abstract

The invention relates to a mobile electric automobile endurance charging device. A mobile cabinet box is provided with a storage battery set, a contactor, an inverter power supply, a DC charger and a battery management system; the battery management system is internally provided with a detection circuit, a single-chip microcomputer and a CAN communication bus; the CAN communication bus is used for communicating with an electric automobile battery system; the battery management system performs detection, fault alarming and safety protection on the storage battery set to realize the management of the storage battery set; and the battery management system can control the contactor and thus controls the storage battery set to access the inverter power supply to perform AC charging or controls the storage battery set to access the DC battery charger to perform DC charging. The mobile electric automobile endurance charging device is provided with a mobile charging mode startup switch in order to control the battery management system to or not to transmit a request for charging while driving to the electric automobile battery system. The mobile electric automobile endurance charging device enables the electric automobile to realize AC slow charging or DC fast charging anytime and anywhere, realizes driving while charging and effectively solves the difficulty of electric automobile travelled distance.

Description

technical field [0001] The invention belongs to the technical field of electric power, and in particular relates to a movable battery life charging device for electric vehicles. Background technique [0002] With the maturity and development of various technologies of electric vehicles, coupled with the advantages of environmental protection, conservation, subsidies, and tax reductions, electric vehicles have attracted more and more attention from consumers. Limited by the current battery technology, the cruising range of electric vehicles has always been a big problem, which affects the promotion of electric vehicles. [0003] In order to solve the problem of the mileage of electric vehicles, people have invented a vehicle-mounted mobile power supply, which can use the vehicle-mounted generator to recharge electric vehicles that are "lying" on the road; Electric vehicles supplement electricity. Yet the method of above-mentioned remedial all is to carry out rescue charging...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02J7/00B60L53/14B60L53/20B60L53/66
CPCB60L53/14B60L53/20B60L53/60H02J7/342H02J2207/40Y02T10/70Y02T10/7072Y02T10/72Y02T90/12Y02T90/14Y02T90/16
Inventor 辛建宏李伟姚一平
Owner 辛建宏