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Electric motorcycle lithium battery pack series connection networking and independent single pack use method

A technology of battery packs and electric lithium batteries, which is applied in the directions of battery/battery traction, battery circuit devices, battery/fuel cell control devices, etc., which can solve the problems of irreplaceable use of battery packs, large R&D and design resources, and high degree of customization problems, to achieve the effect of facilitating product realization and material procurement, reducing material costs, and strong mobility

Pending Publication Date: 2022-07-15
苏州凯毅斯智能驱动技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] 1. The degree of product customization is high, taking up a lot of R&D and design resources, and it is necessary to design different single-package products according to different vehicle voltage platforms of customers;
[0004] 2. The product has a single usage scenario, and battery packs with different string numbers / voltage platforms cannot be used interchangeably

Method used

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  • Electric motorcycle lithium battery pack series connection networking and independent single pack use method
  • Electric motorcycle lithium battery pack series connection networking and independent single pack use method
  • Electric motorcycle lithium battery pack series connection networking and independent single pack use method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0060] This embodiment introduces a method for using a series of electric motorcycle lithium battery packs to form a network, which is applied to a double pack series system. The double pack series system includes a first battery holder and a second battery holder that are connected in series on the vehicle. , a first battery pack and a second battery pack are respectively arranged in the first battery seat barrel and the second battery seat barrel, wherein the first battery pack and the second battery pack are empty when they are not placed in the seat barrel The identity pack battery pack cannot be charged and discharged, and the method includes:

[0061] Put the first battery pack into the first battery seat bucket, after the first battery pack is woken up by the vehicle KEY signal or the charger C_IN signal, the identity is converted to the main pack;

[0062] Put the second battery pack into the second battery seat bucket, and after the second battery pack is woken up by ...

Embodiment 2

[0106] This embodiment provides a method for using an independent single-pack of an electric motorcycle lithium battery pack, which is applied to a single-pack system. The single-pack system includes a third battery seat bucket connected to the vehicle, and the third battery seat bucket is provided with There is a third battery pack, wherein, when the third battery pack is not placed in the seat bucket, it is an unidentified battery pack and cannot be charged and discharged, and the third seat bucket contains the vehicle KEY signal or the charger C_IN signal terminal, No ID1 / ID2 terminals; the method includes:

[0107] Put the third battery pack into the third battery seat bucket, after the third battery pack is awakened by the vehicle KEY signal or the charger C_IN signal, the identity is converted to a single pack;

[0108] Single pack controls the charging and discharging process;

[0109] The single pack monitors the vehicle KEY signal and the charger C_IN signal in real ...

Embodiment 3

[0118] This embodiment provides a dual-package power balance control method applied to the dual-package series system in Embodiment 1, including:

[0119] When the battery packs with inconsistent power are networked and the SOC difference is greater than 30%, network charging is allowed but discharge is prohibited;

[0120] The main package power light board reminds the customer through a specific LED animation that the power difference between the two packages is too large and needs to be charged for equalization;

[0121] During the charging process, the battery pack with higher power is discharged as a whole through the equalization module in the battery pack;

[0122] Equalization is controlled by PWM output to achieve higher equalization efficiency and less equalized heat generation;

[0123] When the power of the master package and the slave package is less than 3%, the equalization module stops working.

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PUM

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Abstract

The invention discloses an electric motorcycle lithium battery pack series connection network and an independent single pack use method, a double-pack series connection system comprises a first battery seat barrel and a second battery seat barrel which are connected to a whole vehicle in series, the first battery seat barrel and the second battery seat barrel are internally provided with a first battery pack and a second battery pack respectively, when the first battery pack and the second battery pack are not placed in the seat cask, the first battery pack and the second battery pack are both non-identity battery packs and cannot be charged and discharged; the single-pack system comprises a third battery seat cask connected to the whole vehicle, a third battery pack is arranged on the third battery seat cask, and when the third battery pack is not placed in the seat cask, the third battery pack is an identity-free battery pack and cannot be charged and discharged; according to the method for using the electric motorcycle lithium battery pack series connection networking, through series connection discharging, the discharging power is doubled, vehicle acceleration is faster, and maneuverability is higher; the use method is flexible, series networking or single packet independence is achieved, and the system is suitable for more vehicle types.

Description

technical field [0001] The invention relates to a method for the series networking of electric motorcycle lithium battery packs and the use of an independent single pack, and belongs to the technical field of portable battery packs. Background technique [0002] Most of the current electric motorcycle lithium battery packs are used independently in a single pack. The problems and shortcomings of the existing technology: [0003] 1. The degree of product customization is high, occupying a lot of R&D and design resources, and it is necessary to design different single-package products according to different vehicle voltage platforms of customers; [0004] 2. The product has a single use scenario, and battery packs with different string numbers / voltage platforms cannot be used interchangeably. SUMMARY OF THE INVENTION [0005] The object of the present invention is to overcome the deficiencies in the prior art, and to provide a method for the series networking of electric mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B60L50/60B60L58/18H02J7/00
CPCB60L50/60B60L50/66B60L58/18H02J7/00032H02J7/0014B60L2200/24
Inventor 费达徐金祥
Owner 苏州凯毅斯智能驱动技术有限公司
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