WO2022067872A1 - 新能源汽车电池故障检测系统 - Google Patents

新能源汽车电池故障检测系统 Download PDF

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Publication number
WO2022067872A1
WO2022067872A1 PCT/CN2020/119984 CN2020119984W WO2022067872A1 WO 2022067872 A1 WO2022067872 A1 WO 2022067872A1 CN 2020119984 W CN2020119984 W CN 2020119984W WO 2022067872 A1 WO2022067872 A1 WO 2022067872A1
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cylinder
right adjustment
platform
battery pack
fixed
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PCT/CN2020/119984
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English (en)
French (fr)
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李华京
娄芙继
陈江
魏震
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垒途智能教科技术研究院江苏有限公司
江苏叁电智能科技有限公司
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Publication of WO2022067872A1 publication Critical patent/WO2022067872A1/zh

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables

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  • the invention relates to the field of battery detection for new energy vehicles, in particular to a battery fault detection system for new energy vehicles.
  • the types of new energy vehicle batteries include lithium cobalt oxide batteries, lithium iron phosphate batteries, nickel-hydrogen batteries, ternary lithium batteries and fuel cells.
  • the car battery pack leaves the factory or after the car battery pack is used for a period of time, it is the car battery that is most prone to problems. stage.
  • the low voltage of the battery pack of new energy vehicles is one of the most common causes of battery pack failures.
  • the new energy vehicle battery fault detection system proposed by the present invention has the advantage of being able to automatically detect the battery pack fault.
  • the new energy vehicle battery fault detection system of the present invention includes a base, a platform, a stand plate, a longitudinal connection assembly, a position adjustment assembly, and a visual inspection assembly.
  • the position adjustment assembly includes a fixed front and rear adjustment cylinder, and a left and right adjustment plate.
  • the cylinder body of the front and rear adjustment cylinders is fixed on the vertical frame plate, the left and right adjustment plates are fixed on the piston rods of the front and rear adjustment cylinders, the cylinder body of the left and right adjustment cylinders is fixed on the left and right adjustment plates, and the wiring board is fixed On the piston rod of the left and right adjustment cylinders, and sliding along the left and right adjustment plates, there are two position adjustment components; the visual inspection component is arranged on the wiring board, which is used to find the positive and negative ends of the battery pack; the longitudinal connection component is set Between the base and the platform, the positive and negative ends of the battery pack for pushing the platform are respectively in contact with the left and right adjustment plates.
  • the longitudinal connection assembly includes a lifting cylinder, a clamping cylinder, a guide sleeve and a guide column.
  • the guide sleeve is arranged on the bottom side of the platform.
  • the guide column is inserted into the guide sleeve and moves relative to the guide sleeve.
  • the cylinder body of the lifting cylinder is fixed on the base.
  • the piston rod of the lifting cylinder is connected with the platform
  • the clamping cylinder is fixed on the platform, and there are two oppositely arranged
  • the wiring board is provided with a conductor block, and the conductor block is electrically connected with the detection equipment, and the detection equipment is arranged on the vertical frame plate superior.
  • the visual inspection component includes a visual camera, a light source, and a mounting seat.
  • the light source and the visual camera are all fixed on the mounting seat, and the mounting seat is arranged on the wiring board.
  • the detection equipment includes a comparator and an MCU.
  • the negative input terminal of the comparator is connected to the reference voltage through a resistor R1
  • the positive input terminal of the comparator is connected to the positive terminal of the battery pack through a resistor R2
  • the output terminal of the comparator is connected to the input terminal of the MCU.
  • the output terminal is connected to the warning diode.
  • the output end of the MCU is connected with a remote transmission module, and the remote transmission module is connected in parallel with the warning diode.
  • Beneficial effects Adjust the position of the vertical connection component, the position adjustment component, and the visual detection component, and electrically connect the detection equipment in the vertical connection component to the battery pack. Switch on components to detect battery pack voltage conditions and reduce battery pack failures.
  • Fig. 1 is the overall structural schematic diagram of the present embodiment of the preferred embodiment of the present invention.
  • FIG. 2 is an internal electrical schematic diagram of the detection device in this embodiment.
  • the battery failure detection system for a new energy vehicle includes a base 1 , a platform 2 , a stand plate 3 , a longitudinal connection component, a position adjustment component, and a visual inspection component 10 .
  • the base 1 is on the bottom side
  • the platform 2 is on the upper side of the base 1
  • the platform 2 can be slidably arranged on the base 1 along the longitudinal direction
  • the stand plate 3 is vertically fixed on the upper surface of the platform 2, and the stand plate 3
  • the top of the horizontal setting is used to place the detection equipment 9.
  • the position adjustment component is used to adjust its position from the battery pack to ensure electrical connection with the battery pack.
  • Each position adjustment assembly includes a front and rear adjustment cylinder 4 , a left and right adjustment plate 5 , a left and right adjustment cylinder 6 , and a wiring board 7 .
  • the cylinder body of the front and rear adjustment cylinders 4 is fixed on the vertical section of the vertical frame plate 3, the piston rods of the front and rear adjustment cylinders 4 are set horizontally forward, the left and right adjustment plates 5 are fixedly connected with the piston rods of the front and rear adjustment cylinders 4, and the left and right adjustment plates 5 The length is set along the left-right direction, and the left-right adjustment plate 5 is set horizontally.
  • the two left and right adjustment cylinders 6 are respectively fixed on the left and right sides of the two left and right adjustment plates 5, the left and right adjustment cylinders 6 are arranged horizontally, and the terminal plate 7 is fixed with the piston rod of the left and right adjustment cylinders 6, and the terminal plate 7 is arranged vertically as a whole, and Slide left and right along the left and right adjustment plate 5 horizontally.
  • the above-mentioned position adjustment assembly adjusts the front and rear positions of the terminal block 7 by adjusting the cylinder 4 back and forth, and then adjusts the left and right positions of the terminal block 7 by adjusting the cylinder 6 left and right.
  • a conductor block 8 is disposed at the bottom end of the terminal board 7 along the left and right direction.
  • the conductor block 8 is connected to the detection device 9 by wires.
  • the position adjustment assembly is used to move the conductor block 8 to the top of the electrode end of the battery pack.
  • the visual inspection assembly 10 is composed of a visual camera and a light source, and the visual inspection assembly 10 is located directly above the aforementioned conductor block 8 .
  • the conductor block may be annular for the lens of the visual inspection assembly to pass through.
  • the visual inspection assembly 10 is fixedly connected to the wiring board 7 , the lens of the visual camera faces vertically downward, and the light source provides brightness to the visual lens.
  • the visual inspection component 10 is used to find the position of the electrodes of the battery pack, and then sends the electrode position signal of the battery pack to the external PLC controller, and then drives the aforementioned front and rear adjustment cylinders and left and right adjustment cylinders through the PLC controller.
  • Group electrodes, conductor blocks 8, and vision cameras are arranged in order from low to high.
  • the longitudinal connection assembly includes a lifting cylinder 11, a guide sleeve 12, and a guide rod 13.
  • the guide sleeve 12 is fixed on the bottom side surface of the platform 2, and the guide rod 13 is fixed on the upper surface of the base 1.
  • the guide rod 13 and the guide sleeve 12 slide longitudinally relative to each other.
  • the piston rod of the lift cylinder 11 is fixedly connected to the bottom of the platform 2
  • the cylinder body of the lift cylinder 11 is fixed on the upper surface of the base 1
  • the lift cylinder 11 provides power to lift the platform 2 as a whole.
  • the battery pack Since the aforementioned conductor block 8 is located directly above the electrode ends of the battery pack, the battery pack will move upward as a whole under the left and right sides of the lifting cylinder 11, so that the two positive and negative electrode ends of the battery pack are respectively connected to the two conductor blocks 8, thereby The battery pack and the detection device 9 form a loop, and the detection device 9 detects the voltage of the battery pack.
  • the platform 2 is also provided with two clamping cylinders 14, the piston rods of the two clamping cylinders 14 are arranged opposite to each other, and the two clamping cylinders 14 are arranged horizontally along the left and right directions as a whole, and the piston rods of the two clamping cylinders 14 are fixed on the There is a clamping plate 15 , and the battery pack is clamped by the clamping plate 15 under the power of the two clamping cylinders 14 .
  • the detection device 9 further includes a comparator and an MCU.
  • the positive input terminal V2 of the comparator is electrically connected to the positive electrode terminal of the battery pack through the resistor R1, and the negative input terminal V1 of the comparator is connected to the standard voltage of the battery pack through the resistor R1.
  • the standard voltage varies according to the brand of the vehicle. , Generally, the voltage of a single battery is about 20 volts, and the voltage of the battery pack is a multiple of a single battery.
  • the MCU adopts ATC80C51, the output end of the comparator is connected to the P3.0 interface of the MCU, and the output end P2.1 of the MCU is connected to the warning diode.
  • the RST side of the MCU is connected to the power supply via a button.
  • a 315M PT2272 wireless remote control module is also connected to the output terminal P2.1 of the MCU, which is used to remotely control other equipment, such as warning lights, to remind the detection personnel of the voltage of the battery pack.
  • the wireless remote control module is connected in parallel with the warning diode.
  • the principle of the present invention is:
  • the electrode end of the battery pack is on the upper side, the clamping cylinder 14 moves, and the clamping cylinder 14 clamps the battery pack;
  • the two groups of front and rear adjustment cylinders 4 and left and right adjustment cylinders 6 act respectively, and the front and rear adjustment cylinders 4 and the left and right adjustment cylinders 6 move the two terminal plates 7 to the top of the positive and negative electrode ends of the battery pack respectively;
  • the positive input terminal of the comparator is connected in parallel with the positive terminal of the battery pack, and the positive terminal voltage of the battery pack is compared with the standard voltage. When the positive input terminal voltage of the comparator is greater than the standard voltage, the comparator outputs a high level and passes the MCU.
  • the P3.0 port of the MCU controls the warning diode of the P2.1 port of the MCU to light up, indicating that the voltage of the battery pack is normal. You can also control the remote device through the wireless remote control module, such as the warning light glowing to indicate that the voltage of the battery pack is normal; otherwise, If the warning diode does not light up, it indicates that the voltage of the battery pack is too low;

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  • General Physics & Mathematics (AREA)
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Abstract

一种新能源汽车电池故障检测系统，包括底座（1）、平台（2）、立架板（3）、纵向接通组件、位置调整组件、视觉检测组件（10），位置调整组件包括前后调整气缸（4）、左右调整板（5）、左右调整气缸（6）、接线板（7），前后调整气缸（4）的缸体固定在立架板（3）上，左右调整板（5）固定在前后调整气缸（4）的活塞杆上，左右调整气缸（6）的缸体固定在左右调整板（5）上，接线板（7）固定在左右调整气缸（6）的活塞杆上，并沿左右调整板（5）滑动设置，位置调整组件设置有两个；视觉检测组件（10）设置在接线板（7）上，用于寻找电池组的正、负端；纵向接通组件设置在底座（1）与平台（2）之间，用于推动平台（2）上的电池组的正、负端分别与左右调整板（5）接触。该检测系统具有能自动对电池组故障检测的好处。

Description

新能源汽车电池故障检测系统 技术领域
本发明涉及新能源汽车的电池检测领域，具体涉及新能源汽车电池故障检测系统。
背景技术
新能源汽车电池种类有钴酸锂电池、磷酸铁锂电池、镍氢电池和三元锂电池和燃料电池，在汽车电池组出厂时或者汽车电池组使用一段时间后，是汽车电池最容易出现问题的阶段。
其中，新能源汽车电池组的电压过低又是电池组故障原因中最常见的原因之一。
为了能配合对新能源汽车电组池的快速、自动地检测，所以需一种可以对电池组故障检测的系统。
发明内容
为了克服现有技术中的不足，本发明提出的新能源汽车电池故障检测系统，其具有能自动对电池组故障检测的好处。
为了实现上述目的，本发明的新能源汽车电池故障检测系统，包括底座、平台、立架板、纵向接通组件、位置调整组件、视觉检测组件，位置调整组件包括固定前后调整气缸、左右调整板、左右调整气缸、接线板，前后调整气缸的缸体固定在立架板上，左右调整板固定在前后调整气缸的活塞杆上，左右调整气缸的缸体固定在左右调整板上，接线板固定在左右调整气缸的活塞杆上，并沿左右调整板滑动设置，位置调整组件设置有两个；视觉检测组件设置在接线板上，用于寻找电池组的正、负端；纵向接通组件设置在底座与平台之间，用于推动平台上的电池组的正、负端分别与左右调整板接触。
纵向接通组件包括抬升气缸、夹紧气缸、导向套、导向柱，导向套设置在平台的底侧，导向柱穿插在导向套中，并相对于导向套移动，抬升气缸的缸体固定在底座上，抬升气缸的活塞杆与平台连接，夹紧气缸固定在平台上，且相对设置有两个，接线板上设置有导体块，导体块电性连接有检测设备，检测设备设置在立架板上。
视觉检测组件包括视觉相机、光源、安装座，光源、视觉相机均固定在安装座上，安装座设置在接线板上。
检测设备包括比较器、MCU，比较器的负输入端通过电阻R1连接基准电压，比较器的正输入端通过电阻R2连接电池组的正端，比较器的输出端连接MCU的输入端，MCU的输出端连接警示二极管。
MCU的输出端连接有远程传输模块，远程传输模块与警示二极管并联。
有益效果：通过纵向接通组件、位置调整组件、视觉检测组件调整位置，将纵向接通组件中的检测设备与电池组电性连接，电池组在向纵向接通组件放电的过程中，由纵向接通组件来检测电池组的电压情况，减少电池组故障。
附图说明
下面结合附图对本发明作进一步描写和阐述。
图1是本发明首选实施方式的本实施例整体的结构示意图；
图2是本实施方式中检测设备的内部电气原理图
附图标记：1、底座；2、平台；3、立架板；4、前后调整气缸；5、左右调整板；6、左右调整气缸；7、接线板；8、导体块；9、检测设备；10、视觉检测组件；11、抬升气缸；12、导向套；13、导向杆；14、夹紧气缸；15、夹板；
具体实施方式
下面将结合附图、通过对本发明的优选实施方式的描述，更加清楚、完整地阐述本发明的技术方案。
如图1所示，本发明首选实施方式的新能源汽车电池故障检测系统，包括底座1、平台2、立架板3、纵向接通组件、位置调整组件、视觉检测组件10。其中，底座1在最底侧，平台2处于底座1的上侧，平台2能沿纵向方向滑动设置在底座1上，立架板3又竖直固定在平台2的上表面，立架板3的顶部水平设置，用于放置检测设备9。
位置调整组件用于调整其距离电池组的位置，保证与电池组实现电性连接。位置调整组件设置有两个，两个位置调整组件能单独移动。
每个位置调整组件均包括一个前后调整气缸4、一个左右调整板5、一个左右调整气缸6、一个接线板7。
前后调整气缸4的缸体固定在立架板3的竖直段，前后调整气缸4的活塞杆水平向前设置，左右调整板5与前后调整气缸4的活塞杆固定连接，左右调整板5的长度沿左右方向设置，且左右调整板5水平设置。两个左右调整气缸6分别固定在两个左 右调整板5的左右两侧，左右调整气缸6水平设置，且接线板7与左右调整气缸6的活塞杆固定，接线板7整体竖直设置，且沿左右调整板5水平左右滑动。
上述位置调整组件通过前后调整气缸4来调整接线板7的前后位置，再通过左右调整气缸6来调整接线板7的左右位置。
在接线板7的底端沿左右方向设置有一个导体块8，导体块8通过导线连接在检测设备9上，位置调整组件用于将该导体块8移动至电池组的电极端的正上方。
视觉检测组件10由视觉相机和光源组成，且视觉检测组件10处于前述导体块8的正上方，导体块可以是环形，用于供视觉检测组件的镜头穿过。视觉检测组件10与接线板7固定连接，视觉相机的镜头竖直朝下，光源给视觉镜头提供亮度。
视觉检测组件10用于找寻电池组的电极的位置，再将电池组的电极位置信号发送给外部PLC控制器，再通过PLC控制器驱动前述前后调整气缸和左右调整气缸6分步动作，直至电池组电极、导体块8、视觉相机从低到高依次设置。
纵向接通组件包括抬升气缸11、导向套12、导向杆13，导向套12固定在平台2的底侧表面，导向杆13固定在底座1的上表面，导向杆13与导向套12相对纵向滑动，抬升气缸11的活塞杆与平台2的底部固定连接，抬升气缸11的缸体固定在底座1的上表面，由抬升气缸11提供动力将平台2整体抬高。由于前述导体块8处于电池组电极端的正上方，在抬升气缸11的左右下，电池组会整体向上移动，从而电池组的两个正、负电极端分别会与两个导体块8连接，从而电池组与检测设备9组成回路，由检测设备9对电池组的电压进行检测。
平台2上还设置有两个夹紧气缸14，两个夹紧气缸14的活塞杆相对设置，且两个夹紧气缸14整体沿左右方向水平设置，两个夹紧气缸14的活塞杆上固定有夹板15，在两个夹紧气缸14的动力下，由夹板15将电池组夹紧。
如图2所示，检测设备9又包括比较器和MCU。
比较器的正输入端V2通过电阻R1与电池组的正电极端实现电性连接，比较器的负输入端V1通过电阻R1与电池组标准电压连接，标准电压根据车辆品牌的不同而有所不同，一般单个电池电压在20多伏左右，电池组的电压是单个电池的倍数。
MCU采用ATC80C51，比较器的输出端连接在MCU的P3.0接口上，MCU的输出端P2.1连接警示二极管。MCU的RST端通过按钮连接在电源上。
MCU的输出端P2.1还连接有一个315M PT2272型号的无线遥控模块，用于远程控制其他设备，例如警示灯，提醒检测人员电池组的电压情况。无线遥控模块与警示二极管并联。
本发明的原理为：
一、由机械手将电池组放到平台2上，电池组的电极端处于上侧，夹紧气缸14动作，夹紧气缸14将电池组夹紧；
二、两组前后调整气缸4以及左右调整气缸6分别动作，前后调整气缸4和左右调整气缸6将两个接线板7分别移动至电池组的正、负电极端的正上方；
三、抬升气缸11动作，将平台2上的电池组向上顶起，将接线板7抵触的导体块8与电池组的正、负电极端接触；
四、比较器的正输入端并联在电池组的正端，将电池组的正端电压与标准电压进行比较，当比较器的正输入端电压大于标准电压，比较器输出高电平，通过MCU的P3.0端口控制MCU的P2.1端口的警示二极管发光，说明该电池组的电压正常，也可以通过无线遥控模块控制远程设备，如警示灯发光，来表明电池组的电压正常；反之，若警示二极管不发光，则表明电池组的电压过低；
五、测试完成后，所有的气缸复位，由机械手将电池组从平台2上取下。
上述具体实施方式仅仅对本发明的优选实施方式进行描述，而并非对本发明的保护范围进行限定。在不脱离本发明设计构思和精神范畴的前提下，本领域的普通技术人员根据本发明所提供的文字描述、附图对本发明的技术方案所作出的各种变形、替代和改进，均应属于本发明的保护范畴。本发明的保护范围由权利要求确定。

Claims (5)

  1. 新能源汽车电池故障检测系统，其特征在于，包括底座、平台、立架板、纵向接通组件、位置调整组件、视觉检测组件，
    所述位置调整组件包括固定前后调整气缸、左右调整板、左右调整气缸、接线板，所述前后调整气缸的缸体固定在立架板上，所述左右调整板固定在前后调整气缸的活塞杆上，所述左右调整气缸的缸体固定在左右调整板上，所述接线板固定在左右调整气缸的活塞杆上，并沿左右调整板滑动设置，所述位置调整组件设置有两个；
    所述视觉检测组件设置在接线板上，用于寻找电池组的正、负端；
    所述纵向接通组件设置在底座与平台之间，用于推动平台上的电池组的正、负端分别与左右调整板接触。
  2. 根据权利要求1所述的新能源汽车电池故障检测系统，其特征在于，所述纵向接通组件包括抬升气缸、夹紧气缸、导向套、导向柱，所述导向套设置在平台的底侧，所述导向柱穿插在导向套中，并相对于导向套移动，所述抬升气缸的缸体固定在底座上，所述抬升气缸的活塞杆与平台连接，所述夹紧气缸固定在平台上，且相对设置有两个，所述接线板上设置有导体块，所述导体块电性连接有检测设备，所述检测设备设置在立架板上。
  3. 根据权利要求1所述的新能源汽车电池故障检测系统，其特征在于，所述视觉检测组件包括视觉相机、光源、安装座，所述光源、视觉相机均固定在安装座上，所述安装座设置在接线板上。
  4. 根据权利要求2所述的新能源汽车电池故障检测系统，其特征在于，所述检测设备包括比较器、MCU，所述比较器的负输入端通过电阻R1连接基准电压，所述比较器的正输入端通过电阻R2连接电池组的正端，所述比较器的输出端连接MCU的输入端，所述MCU的输出端连接警示二极管。
  5. 根据权利要求4所述的新能源汽车电池故障检测系统，其特征在于，所述MCU的输出端连接有远程传输模块，所述远程传输模块与所述警示二极管并联。
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