WO2024212448A1 - 一种低温电瓶自动保护装置 - Google Patents

一种低温电瓶自动保护装置 Download PDF

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WO2024212448A1
WO2024212448A1 PCT/CN2023/121873 CN2023121873W WO2024212448A1 WO 2024212448 A1 WO2024212448 A1 WO 2024212448A1 CN 2023121873 W CN2023121873 W CN 2023121873W WO 2024212448 A1 WO2024212448 A1 WO 2024212448A1
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battery
control panel
temperature
low
protection device
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French (fr)
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赵乐亮
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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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/615—Heating or keeping warm
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
    • H01M10/486—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte for measuring temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/63—Control systems
    • H01M10/635—Control systems based on ambient temperature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/657—Means for temperature control structurally associated with the cells by electric or electromagnetic means
    • H01M10/6571—Resistive heaters
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/658—Means for temperature control structurally associated with the cells by thermal insulation or shielding
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/244—Secondary casings; Racks; Suspension devices; Carrying devices; Holders characterised by their mounting method
    • 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
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/284—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders with incorporated circuit boards, e.g. printed circuit boards [PCB]
    • 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
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H01M50/519—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising printed circuit boards [PCB]
    • 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 present invention relates to the technical field of battery protection sleeves, and in particular to an automatic protection device for a low-temperature battery.
  • Lithium-ion batteries have the advantages of high specific energy, light weight, long life and no memory effect, and are widely used in various civilian electronic equipment and their electric vehicles, energy storage, mobile power sources and other fields. At the same time, as people's environmental requirements for these fields increase, these lithium-ion batteries are required to have higher low-temperature charging and discharging capabilities in the northern cold regions or in the wild.
  • the performance of batteries is also unstable at low temperatures, so the low-temperature performance of batteries needs to be improved.
  • the heating effect is greater, the risk of thermal runaway of the battery is greater, and the battery fire and explosion are more likely to occur. Therefore, the battery temperature also needs to be controlled.
  • a low-temperature battery automatic protection device including a battery, a battery positive electrode and a battery negative electrode are arranged on the top of the battery, a battery protection cover is arranged on the outside of the battery, a control panel is arranged in the battery protection cover, and connecting lines are arranged between the control panel and the battery positive electrode and the battery negative electrode, which are electrically connected to the battery positive electrode and the battery negative electrode through the connecting lines, and a heating circuit board and a sensor are arranged inside the battery protection cover.
  • the senor is a temperature sensor, and a sensing wire is provided between the sensor and the control panel, and the sensor and the control panel are electrically connected via the sensing wire.
  • a heat-conducting cable is provided between the heating circuit board and the control panel, and an electrical connection is achieved between the heating circuit board and the control panel via the heat-conducting cable.
  • the present invention adopts the above structure, which can not only improve the low temperature performance of the battery, but also avoid the excessive temperature of the battery surface, and has more diverse functions and stronger practicality. At the same time, the above structure makes the battery more energy-saving and environmentally friendly.
  • FIG1 is a schematic diagram of the structure of an automatic protection device for a low-temperature battery according to the present invention.
  • Figure 2 is a schematic diagram of the battery structure.
  • the shaded part in Figure 2 is the heat-resistant material.
  • the present invention provides a low-temperature battery automatic protection device in a specific implementation, including a battery 1, wherein a battery positive electrode 2 and a battery negative electrode 3 are arranged at the top of the battery 1, a battery protection cover 4 is arranged on the outside of the battery 1, a control panel 5 is arranged inside the battery protection cover 4, a connecting line 6 is arranged between the control panel 5 and the battery positive electrode 2 and the battery negative electrode 3, and the control panel 5 is electrically connected to the battery positive electrode 2 and the battery negative electrode 3 through the connecting line 6, and a heating circuit board 8 and a sensor 9 are arranged inside the battery protection cover 4.
  • the senor 9 is a temperature sensor, and a sensing wire 7 is provided between the sensor 9 and the control panel 5, and an electrical connection is achieved between the sensor 9 and the control panel 5 through the sensing wire 7.
  • a heat-conducting cable 10 is provided between the heating circuit board 8 and the control panel 5, and an electrical connection is achieved between the heating circuit board 8 and the control panel 5 via the heat-conducting cable 10.
  • the connecting lines 6 are provided in two groups.
  • the battery protection cover 4 is made of heat-insulating material.
  • the battery protection cover 4 can be placed on the outside of the battery 1.
  • the sensor 9 detects that the temperature of the battery is too low, it transmits the low temperature information to the control panel 5.
  • the control panel 5 controls the heating circuit board 8 to start working and heat the battery 1, thereby avoiding the occurrence of problems such as unstable performance of the battery under low temperature conditions.
  • the control panel 5 controls the heating circuit board 8 to stop working. Since the battery protective cover 4 is made of heat-insulating material, it can provide good heat-insulating effect for the battery.
  • the battery protective cover for electric vehicles is more energy-saving and environmentally friendly, improves the performance of the battery, and has strong practicality.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Connection Of Batteries Or Terminals (AREA)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

一种低温电瓶自动保护装置，包括电池，所述电池的顶端设置有电池正极和电池负极，所述电池的外侧包裹设置有电池保护套，所述电池保护套内设置有控制面板，在所述控制面板与电池正极、电池负极设置有连接线路，其通过连接线路与电池正极和电池负极之间实现电性连接，在所述电池保护套的内部设置有加热线路板和传感器。采用上述结构既能改善电池的低温性能，同时也可以避免电池表面的温度过高，功能上比较多样，实用性较强。同时采用上述结构，使电池更加节能环保。

Description

一种低温电瓶自动保护装置  技术领域
本发明涉及电池保护套技术领域，具体是指一种低温电瓶自动保护装置 。
 背景技术
锂离子电池具有比能量高、质量轻、寿命长及无记忆效应等优点，并广泛应用于各种民用电子设备及其电动汽车、储能、移动电源等领域，同时随着人们对这些领域环境要求的提高，即要求这些锂离子电池在北方严寒地区或野外具有较高的低温充放电能力。
目前从电池的材料性能来看， 电池在低温状态下性能也不稳定，因此，需要对电池的低温性能进行改善。但是，当电池温度越高，发热效应越大， 电池存在的热失控风险越大， 电池着火爆炸现象越易发生。因此，也需要对电池的温度进行控制。
因此， 一种低温电瓶自动保护装置成为整个社会亟待解决的问题 。
 技术解决方案
为解决上述技术问题，本发明提供的技术方案为： 一种低温电瓶自动保护装置， 包括电池，所述电池的顶端设置有电池正极和电池负极，所述电池的外侧包裹设置有电池保护套，所述电池保护套内设置有控制面板，在所述控制面板与电池正极、电池负极设置有连接线路，其通过连接线路与电池正极和电池负极之间实现电性连接，在所述电池保护套的内部设置有加热线路板和传感器。
进一步地，所述传感器为温度传感器器，所述传感器与控制面板之间设置有传感电线，其通过传感电线与控制面板之间实现电性连接。
进一步地，所述加热线路板与控制面板之间设置有导热电缆，其通过导热电缆与控制面板之间实现电性连接。
 有益效果
发明与现有技术相比的优点在于：
本发明采用上述结构， 既能改善电池的低温性能，同时也可以避免电池表面的温度过高，功能上比较多样，实用性较强。 同时采用上述结构，使电池更加节能环保。
 附图说明
图 1 是本发明一种低温电瓶自动保护装置的结构示意图；
图 2 是电池的结构示意图。
如图所示： 1、 电池， 2、 电池正极， 3、 电池负极， 4、 电池保护套， 5、 控制面板， 6、连接线路， 7、传感电线， 8、加热线路板， 9、传感器， 10、导热电缆。
其中，图 2 中阴影部分为阻热材料 。
 本发明的实施方式
下面结合附图对本发明做进一步的详细说明。
结合附图， 对本发明进行详细介绍。
本发明在具体实施时提供了一种低温电瓶自动保护装置， 包括电池 1，所述电池 1 的顶端设置有电池正极 2 和电池负极 3，所述电池 1 的外侧包裹设置有电池保护套 4，所述电池保护套 4 内设置有控制面板 5，在所述控制面板 5 与电池正极 2、电池负极 3 设置有连接线路 6，其通过连接线路 6 与电池正极 2 和电池负极 3 之间实现电性连接，在所述电池保护套 4 的内部设置有加热线路板 8 和传感器 9。
作为本发明的进一步阐述，所述传感器 9 为温度传感器，所述传感器 9 与控制面板 5 之间设置有传感电线 7，其通过传感电线 7 与控制面板 5 之间实现电性连接。
作为本发明的进一步阐述，所述加热线路板 8 与控制面板 5 之间设置有导热电缆 10，其通过导热电缆10 与控制面板 5 之间实现电性连接。
作为本发明的进一步阐述，所述连接线路 6 设置有两组。
作为本发明的进一步阐述，所述电池保护套 4 采用隔热材料制作而成。
实施例：本发明在使用时， 可以将电池保护套 4 套设在电池 1 的外侧，当传感器 9 检测到电池的温度过低时，并将温度过低的信息传输给控制面板 5，控制面板 5 控制加热线路板 8 开始工作，对电池 1 进行加热，避免了电池在低温状态下性能不稳定等问题的出现。
当传感器 9 检测到电池 1 的温度达到设定温度时，控制面板 5 控制加热线路板 8 停止工作。由于所述电池保护套 4 采用隔热材料制作而成，可以对电池起到良好的隔热效果。采用上述用于电动车的电池保护套，更加节能环保，提升了电池的使用性能，实用性较强。
以上对本发明及其实施方式进行了描述，这种描述没有限制性，附图中所示的也只是本发明的实施方式之一，实际的结构并不局限于此。总而言之如果本领域的普通技术人员受其启示，在不脱离本发明创造宗旨的情况下，不经创造性的设计出与该技术方案相似的结构方式及实施例，均应属于本发明的保护范围 。

Claims (5)

  1. 一种低温电瓶自动保护装置， 包括电池（1）， 所述电池（1）的顶端设置有电池正极（2）和电池负极（3）， 其特征在于， 所述电池（1）的外侧包裹设置有电池保护套（4），所述电池保护套（4）内设置有控制面板（5），在所述控制面板（5）与电池正极（2）、电池负极（3）设置有连接线路（6），其通过连接线路（6）与电池正极（2）和电池负极（3）之间实现电性连接，在所述电池保护套（4）的内部设置有加热线路板（8）和传感器（9） 。
  2. 根据权利要求 1 所述的一种低温电瓶自动保护装置，其特征在于： 所述传感器（9） 为温度传感器，所述传感器（9）与控制面板（5）之间设置有传感电线（7），其通过传感电线（7）与控制面板（5）之间实现电性连接 。
  3. 根据权利要求 2 所述的一种低温电瓶自动保护装置，其特征在于： 所述加热线路板（8）与控制面板（5）之间设置有导热电缆（10），其通过导热电缆（10）与控制面板（5）之间实现电性连接 。
  4. 根据权利要求 1 所述的一种低温电瓶自动保护装置，其特征在于： 所述连接线路（6）设置有两组。 
  5. 根据权利要求 1 所述的一种低温电瓶自动保护装置，其特征在于： 所述电池 保护套（4）采用隔热材料制作而成 。
PCT/CN2023/121873 2023-04-13 2023-09-27 一种低温电瓶自动保护装置 Pending WO2024212448A1 (zh)

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CN116387697A (zh) * 2023-04-13 2023-07-04 赵乐亮 一种低温电瓶自动保护装置

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WO2021233345A1 (zh) * 2020-05-22 2021-11-25 维沃移动通信有限公司 电池及其控制方法和电子设备
CN217035790U (zh) * 2022-03-29 2022-07-22 楚能新能源股份有限公司 一种自加热电池系统
CN116387697A (zh) * 2023-04-13 2023-07-04 赵乐亮 一种低温电瓶自动保护装置

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