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WO2020062527A1 - 一种双压电池包 - Google Patents

一种双压电池包 Download PDF

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Publication number
WO2020062527A1
WO2020062527A1 PCT/CN2018/117397 CN2018117397W WO2020062527A1 WO 2020062527 A1 WO2020062527 A1 WO 2020062527A1 CN 2018117397 W CN2018117397 W CN 2018117397W WO 2020062527 A1 WO2020062527 A1 WO 2020062527A1
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WO
WIPO (PCT)
Prior art keywords
battery pack
battery
cells
voltage
cell
Prior art date
Application number
PCT/CN2018/117397
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English (en)
French (fr)
Inventor
陈正
Original Assignee
浙江鼎能电气有限公司
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Filing date
Publication date
Application filed by 浙江鼎能电气有限公司 filed Critical 浙江鼎能电气有限公司
Publication of WO2020062527A1 publication Critical patent/WO2020062527A1/zh

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the utility model relates to the technical field of battery packs, in particular to a dual-voltage battery pack.
  • a battery pack generally includes a case, a battery pack disposed in the case, and a protective plate.
  • the role of the protection board is to monitor the current and voltage of the battery pack from time to time to prevent over-current and over-voltage.
  • the existing battery packs have the following drawbacks: Generally, a battery pack is made of multiple cells in series and parallel. Battery packs, such as the existing dual-voltage battery packs with an output voltage of 18V / 36V, consist of two rows of five single cells arranged in parallel. Each row of single cells is connected in series in sequence, and data is used between each single cell. The wire is connected to the protection board for detecting the current and voltage at various points. This structure leads to the connection of the data line and its tedious and complicated. On the one hand, the data line is directly exposed and easily damaged. On the other hand, it affects the aesthetics. Second, the data line It is necessary to use manual operations to achieve automation, affect production efficiency, and lack market competitiveness.
  • the purpose of the utility model is to provide a dual-voltage battery pack, which solves the problem of using the data line to electrically connect to the protection board between each single battery cell in the prior art for detecting the current and voltage at each point.
  • This structure leads to the connection of the data line It is cumbersome and complicated. On the one hand, the data line is directly exposed and easily damaged. On the other hand, it affects aesthetics. Second, the data line must be manually operated and cannot be automated, affecting production efficiency and lacking market competitiveness.
  • the present invention provides the following technical solutions:
  • a dual-voltage battery pack includes at least two battery packs arranged in a left-right arrangement.
  • the battery pack includes a plurality of unit cells connected to each other in series through an electrical connection piece, and each unit cell in each group of battery packs.
  • the W-shaped arrangement also includes a protection board for monitoring the current and voltage.
  • the input and output ends of the individual battery cells in each battery pack are directly and electrically connected to the protection board through an electrical connection sheet, and also include a casing and the battery.
  • the pack and protective plate are placed inside the enclosure.
  • each battery pack includes 5 single-cell batteries, of which 4 said single-cell batteries are arranged in a rectangular shape, and another 1 single-cell battery is located on a diagonal line of said rectangle.
  • each battery pack includes 5 single cell batteries, of which 4 said single cell batteries are arranged in a rectangular shape, and another 1 single cell battery is located on the left side of said rectangular transverse central axis.
  • each battery pack includes 5 single cell batteries, of which 4 said single cell batteries are arranged in a rectangular shape, and another 1 single cell battery is located on the right side of said rectangular transverse central axis.
  • each battery pack includes 5 single-cell batteries, and the 5 single-cell batteries are arranged in two rows, wherein the upper column includes 3 of the single-cell batteries and the following includes 2 of the single-cell batteries. Batteries.
  • the utility model has the beneficial effect that the present invention arranges the individual battery cells in each battery pack in a W-shaped arrangement, so it can be directly connected to the protection board through an electrical connection sheet without using a data cable connection. It can prevent the phenomenon of disordered data lines and high aesthetics. At the same time, it can realize automatic production and improve production efficiency.
  • FIG. 1 is a schematic structural diagram of the present invention
  • FIG. 2 is a schematic structural diagram of an arrangement manner of individual cells in each battery pack in Embodiment 1 of the present utility model
  • FIG. 3 is a schematic structural diagram of an arrangement manner of individual battery cells in each battery pack in Embodiment 2 of the present invention.
  • FIG. 4 is a schematic structural diagram of an arrangement manner of individual battery cells in each battery pack in Embodiment 3 of the present invention.
  • FIG. 5 is a schematic structural diagram of an arrangement manner of individual battery cells in each battery pack in Embodiment 4 of the present invention.
  • the utility model provides a dual-voltage battery pack, which includes at least two battery packs 1 arranged in a left-right arrangement.
  • the battery pack includes a plurality of unit cells 2 connected in series with each other through an electrical connection piece.
  • the individual battery cells in each battery pack are arranged in a W-shape, and also include a protection board (not shown) for monitoring the current and voltage.
  • the input and output terminals of the individual battery cells in each battery pack are electrically connected.
  • the sheet 3 is directly electrically connected to the protection board, and further includes a casing 4, and the battery pack and the protection board are placed in the casing.
  • each battery pack includes 5 single cells, 4 of which are arranged in a rectangular shape, and 1 single cell is located on a diagonal line of the rectangle.
  • each battery pack includes 5 single cells, 4 of which are arranged in a rectangle, and another 1 is in the rectangle. Transverse center axis on the left.
  • each battery pack includes 5 single cells, 4 of which are arranged in a rectangle, and another 1 is in the rectangle. Transverse center axis on the right.
  • each battery pack includes 5 single cells, and the 5 single cells are arranged in two rows, and the upper column includes 3 of the cells. Cells, the following includes 2 of the single cells.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

一种双压电池包，其包括至少两组呈左右排列设置的电池组（1），电池组（1）中包括多个通过电连接片（3）相互串联连接的单体电芯（2），每组电池组中的各单体电芯（2）呈W型排列，还包括用于监测电流电压的保护板，每组电池组（1）中各单体电芯（2）的输入输出端均通过电连接片（3）直接电连接所述保护板，还包括外壳（4），所述电池组（1）和保护板置于所述外壳（4）内，本申请将各电池组中的单体电芯（2）呈W型排列，因此可以直接通过电连接片（3）连接至保护板，不用采用数据线连接，可以防止出现数据线杂乱无章的现象，同时可以实现自动化生产，提高生产效率。

Description

一种双压电池包 技术领域
本实用新型涉及电池包技术领域，具体为一种双压电池包。
背景技术
电池包一般包括壳体、设于壳体内的电池组以及保护板。保护板的作用在于监测电池包充放电时时时监控电流电压的状态，防止过流过压，然而现有的电池包存在下述缺陷：电池包一般采用多个电芯串并联的方式做成一个电池包，如现有的输出电压为18V/36V的双压电池包，其采用两排平行排列的5个单电芯组成，每排单电芯依次串联连接，各个单电芯之间采用数据线电连接至保护板，用于检测各个点的电流电压，此结构导致数据线连接及其繁琐复杂，一方面数据线直接裸露在外，容易损坏，另一方面，影响美观性，其次，数据线必须采用人工进行作业无法实现自动化，影响生产效率，缺乏市场竞争力。
实用新型内容
本实用新型的目的在于提供一种双压电池包，解决了现有技术中各个单电芯之间采用数据线电连接至保护板，用于检测各个点的电流电压，此结构导致数据线连接及其繁琐复杂，一方面数据线直接裸露在外，容易损坏，另一方面，影响美观性，其次，数据线必须采用人工进行作业无法实现自动化，影响生产效率，缺乏市场竞争力的问题。
为实现上述目的，本实用新型提供如下技术方案：
一种双压电池包，其包括至少两组呈左右排列设置的电池组，电池组中包括多个通过电连接片相互串联连接的单体电芯，每组电池组中的各单体电芯呈W型排列，还包括用于监测电流电压的保护板，每组电池组中各单体电芯的输入输出端均通过电连接片直接电连接所述保护板，还包括外壳，所述电池组和保护板置于所述外壳内。
呈W型排列的各单体电芯与保护板连接时，直接通过电连接片连接，不用采用数据线连接，可以防止出现数据线杂乱无章的现象。
优选的，各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形的对角线上。
优选的，各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形横向中轴线的左侧上。
优选的，各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形横向中轴线的右侧上。
优选的，各电池组中包括5个单体电芯，5个所述单体电芯排列形成上下两列，其中上列包括3个所述单体电芯，下列包括2个所述单体电芯。
与现有技术相比，本实用新型的有益效果是：本申请将各电池组中的单体电芯呈W型排列，因此可以直接通过电连接片连接至保护板，不用采用数据线连接，可以防止出现数据线杂乱无章的现象，美观性高，同时，可以实现自动化生产，提高生产效率。
附图说明
图1为本实用新型的结构示意图；
图2为本实用新型的实施例1中各电池组中单体电芯排列方式的结构示意图
图3为本实用新型的实施例2中各电池组中单体电芯排列方式的结构示意图；
图4为本实用新型的实施例3中各电池组中单体电芯排列方式的结构示意图；
图5为本实用新型的实施例4中各电池组中单体电芯排列方式的结构示意图。
具体实施方式
下面将结合本实用新型实施例中的附图，对本实用新型实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本实用新型一部分实施例，而不是全部的实施例。基于本实用新型中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本实用新型保护的范围。
实施例1
请参阅图1，本实用新型提一种双压电池包，其包括至少两组呈左右排列设置的电池组1，电池组中包括多个通过电连接片相互串联连接的单体电芯2，每组电池组中的各单体电芯呈W型排列，还包括用于监测电流电压的保护板(未示出)，每组电池组中各单体电芯的输入输出端均通过电连接片3直接电连接所述保护板，还包括外壳4，所述电池组和保护板置于所述外壳内。
呈W型排列的各单体电芯与保护板连接时，直接通过电连接片连接，不用采用数据线连接，可以防止出现数据线杂乱无章的现象。
具体的，请参阅图2，各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形的对角线上。
实施例2
请参阅图3，与实施例1的主要区别在于：各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形横向中轴线的左侧上。
实施例3
请参阅图4，与实施例1的主要区别在于：各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形横向中轴线的右侧上。
实施例4
请参阅图5，与实施例1的主要区别在于：各电池组中包括5个单体电芯， 5个所述单体电芯排列形成上下两列，其中上列包括3个所述单体电芯，下列包括2个所述单体电芯。
尽管已经示出和描述了本实用新型的实施例，对于本领域的普通技术人员而言，可以理解在不脱离本实用新型的原理和精神的情况下可以对这些实施例进行多种变化、修改、替换和变型，本实用新型的范围由所附权利要求及其等同物限定。

Claims (5)

  1. 一种双压电池包，其特征在于：其包括至少两组呈左右排列设置的电池组，电池组中包括多个通过电连接片相互串联连接的单体电芯，每组电池组中的各单体电芯呈W型排列，还包括用于监测电流电压的保护板，每组电池组中各单体电芯的输入输出端均通过电连接片直接电连接所述保护板，还包括外壳，所述电池组和保护板置于所述外壳内。
  2. 根据权利要求1所述的一种双压电池包，其特征在于：各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形的对角线上。
  3. 根据权利要求1所述的一种双压电池包，其特征在于：各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形横向中轴线的左侧上。
  4. 根据权利要求1所述的一种双压电池包，其特征在于：各电池组中包括5个单体电芯，其中4个所述单体电芯呈矩形排列，另外1个单体电芯位于所述矩形横向中轴线的右侧上。
  5. 根据权利要求1所述的一种双压电池包，其特征在于：各电池组中包括5个单体电芯，5个所述单体电芯排列形成上下两列，其中上列包括3个所述单体电芯，下列包括2个所述单体电芯。
PCT/CN2018/117397 2018-09-27 2018-11-26 一种双压电池包 WO2020062527A1 (zh)

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CN201821579151.7U CN208835163U (zh) 2018-09-27 2018-09-27 一种双压电池包
CN201821579151.7 2018-09-27

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Publication number Priority date Publication date Assignee Title
CN115832591B (zh) * 2021-10-21 2024-03-26 宁德时代新能源科技股份有限公司 电池包和用电装置
CN114597597B (zh) * 2022-01-24 2022-09-13 福建时代星云科技有限公司 一种电池包的电芯排布结构及其排布方法

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205790151U (zh) * 2016-05-19 2016-12-07 宁德时代新能源科技股份有限公司 电池模组输出电连接片
CN206076354U (zh) * 2016-09-30 2017-04-05 东莞新能德科技有限公司 电池模组

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205790151U (zh) * 2016-05-19 2016-12-07 宁德时代新能源科技股份有限公司 电池模组输出电连接片
CN206076354U (zh) * 2016-09-30 2017-04-05 东莞新能德科技有限公司 电池模组

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