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Device and method for charging starting power supply of electric vehicle

A technology for starting power supply and starting battery, which is applied in electric vehicle charging technology, electric vehicles, charging stations, etc., can solve the problems of small battery power loss, charging, and inability to start the battery at the same time, and achieves high reliability and simple overall structure. Effect

Pending Publication Date: 2022-03-08
中创杜菲(北京)汽车科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And when we use the charging gun to charge the power battery, it is impossible to charge the starter battery at the same time
This will cause the small battery to lose power during the use of the electric vehicle

Method used

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  • Device and method for charging starting power supply of electric vehicle
  • Device and method for charging starting power supply of electric vehicle
  • Device and method for charging starting power supply of electric vehicle

Examples

Experimental program
Comparison scheme
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Embodiment 1

[0053] Example 1, such as image 3 As shown, the present invention proposes a device and a method for supplementing electric vehicle starting power supply, which solves the above-mentioned problems in the prior art;

[0054] Technical scheme of the present invention is realized like this:

[0055] A device for supplementing power for starting a power supply of an electric vehicle, comprising:

[0056] Vehicle socket CLCZ, traction battery DL, DC to DC module DC / DC, intelligent battery sensor IBS, starting battery XD, battery management module BMS and starting power supplementary relay K1;

[0057] The vehicle socket CLCZ is provided with DC power supply positive contact DC+, DC power supply negative contact DC-, protective earth contact PE, charging communication CAN_H contact S+, charging communication CAN_L contact S-, charging connection confirmation 1 contact CC1, Charging connection confirmation 2 contacts CC2, low-voltage auxiliary power supply positive contact A+ and lo...

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PUM

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Abstract

The invention provides a device and method for charging a starting power supply of an electric vehicle. The device comprises a vehicle socket CLCZ, a power storage battery DL, a DC-to-DC module DC / DC, an intelligent battery sensor IBS, a starting storage battery XD, a battery management module BMS and a starting power supply charging relay K1. When the battery management module BMS detects that the electric quantity of the starting storage battery XD is insufficient through the intelligent battery sensor IBS, the starting storage battery charging relay K1 is switched on to charge the starting storage battery XD. The charging device has the advantages that when the electric automobile is charged fast and slowly, the starting storage battery can be effectively charged, the situation that the automobile is in danger due to the fact that the starting storage battery is lack of electricity is prevented, the overall structure is simple, and reliability is high.

Description

technical field [0001] The invention relates to the field of new energy vehicles, in particular to a device and a method for supplementing power from a starting power supply of an electric vehicle. Background technique [0002] Unlike traditional gasoline vehicles, electric vehicles have two sets of electrical systems, high voltage and low voltage. The high-voltage electrical system is the power battery, which is mainly used to drive the motor of the car. It is mainly used for a long period of medium-current continuous discharge, and occasionally for high-current discharge (starting, accelerating), and is used in a deep cycle, as well as power supply for high-power subsystems. . The low-voltage electrical system, that is, the general starting battery, is what we often call a 12V small battery. It is usually used in low-power subsystems of automobiles, such as double flashing, lighting, instrumentation, central locking, and for vehicle controllers, motor control systems, Th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L53/14B60L53/16
CPCB60L53/14B60L53/16Y02T10/70Y02T10/7072Y02T90/14
Inventor 黄斌斌
Owner 中创杜菲(北京)汽车科技有限公司
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