CN111342151A - An integrated battery pack - Google Patents

An integrated battery pack Download PDF

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Publication number
CN111342151A
CN111342151A CN202010128605.4A CN202010128605A CN111342151A CN 111342151 A CN111342151 A CN 111342151A CN 202010128605 A CN202010128605 A CN 202010128605A CN 111342151 A CN111342151 A CN 111342151A
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unit
coupled
battery pack
battery
voltage
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Inventor
谢世滨
刘刚
潘福中
陶孟锋
管必聪
陈德厅
邬学建
唐功
楼佳丽
许云波
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Zhejiang Geely Holding Group Co Ltd
Zhejiang Liankong Technologies Co Ltd
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Zhejiang Geely Holding Group Co Ltd
Weirui Electric Automobile Technology Ningbo Co Ltd
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Priority to CN202010128605.4A priority Critical patent/CN111342151A/en
Publication of CN111342151A publication Critical patent/CN111342151A/en
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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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/18—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries of two or more battery modules
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
    • B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
    • B60L58/24—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries
    • B60L58/26—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries for controlling the temperature of batteries by cooling
    • 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
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/545—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/547—Voltage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
    • B60L2240/00—Control parameters of input or output; Target parameters
    • B60L2240/40—Drive Train control parameters
    • B60L2240/54—Drive Train control parameters related to batteries
    • B60L2240/549—Current
    • 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
    • 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
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Chemical & Material Sciences (AREA)
  • Sustainable Energy (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Secondary Cells (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses an integrated battery pack and an automobile, comprising: a battery module and a controller coupled to each other; the battery module comprises battery packs and battery pack detection units coupled with the battery packs in a one-to-one correspondence mode; the controller includes: the system comprises a micro-control unit, a battery management unit coupled with the micro-control unit, a current detection unit coupled with the battery management unit, a mode switching unit coupled with the battery management unit, a vehicle-mounted charging unit coupled with the micro-control unit, and a voltage conversion unit coupled with the micro-control unit, the battery management unit and the vehicle-mounted charging unit; the battery pack detection unit is coupled with the battery management unit; the current detection unit is coupled with the positive electrode or the negative electrode of the battery pack; the mode switching unit is coupled with a positive electrode and a negative electrode of the battery pack. According to the invention, high-voltage components are integrated and built in, so that the high-voltage components which leak outwards are reduced, and the system is safer and more reliable.

Description

一种集成化电池包An integrated battery pack

技术领域technical field

本发明涉及电动汽车技术领域，尤其涉及一种集成化电池包。The invention relates to the technical field of electric vehicles, in particular to an integrated battery pack.

背景技术Background technique

随着新能源汽车的普及，新能源车的动力电池系统越来越受到大家的关注。动力电池在不同工作条件下安全的给车辆动力系统提供最大的放电功率和充电功率。动力电池系统包括充放电继电器以及控制诊断单元，电池和电池管理单元，动力电流采集单元、高压采集单元，热管理部件及控制模块等。这些功能模块的分配对动力电池的安全和成本至关重要。因此必须合理规划这些模块在电池包体中的布置和连接。With the popularity of new energy vehicles, the power battery system of new energy vehicles has attracted more and more attention. The power battery safely provides the maximum discharge power and charging power to the vehicle power system under different working conditions. The power battery system includes charge and discharge relays, control and diagnosis units, battery and battery management units, power current acquisition units, high voltage acquisition units, thermal management components and control modules. The distribution of these functional modules is critical to the safety and cost of power batteries. Therefore, the arrangement and connection of these modules in the battery pack must be properly planned.

现有的电池包系统将这些功能模块分为BDU(battery disconnect unit)、BMS(battery management system)。其中BDU主要包括高压继电器，高压保险、预充电阻等。BMS又分为BMU(battery management unit)、CVS(current voltage sensor)、CSC(cellsupervision circuit)。BMU负责逻辑控制和通信以及协调各模块工作，CVS负责采集电流、电压、绝缘检测、诊断继电器故障，CSC负责电池模组的管理。The existing battery pack system divides these functional modules into BDU (battery disconnect unit) and BMS (battery management system). Among them, BDU mainly includes high-voltage relay, high-voltage insurance, pre-charging resistor and so on. BMS is further divided into BMU (battery management unit), CVS (current voltage sensor), and CSC (cellsupervision circuit). BMU is responsible for logic control and communication and coordinating the work of each module, CVS is responsible for collecting current, voltage, insulation detection, and diagnosing relay faults, and CSC is responsible for battery module management.

现有的电池包在这种分开的BDU和BMS布置下导致电池包成本居高难下。产品分别固定在电池包内部，连接这些模块也会带来额外连接器和线束，额外增加了固定安装空间的成本。产品高低压散落在电池包各模块中，尽管可以通过额外的绝缘防护，但依然存在安全隐患。随着新能源车的发展，提高电池包系统安全、降低产品的成本就势在必行了。The existing battery packs lead to high cost of battery packs under such separate BDU and BMS arrangements. The products are respectively fixed inside the battery pack, and connecting these modules also brings additional connectors and wiring harnesses, which increases the cost of fixed installation space. The high and low voltage of the product are scattered in each module of the battery pack. Although it can be protected by additional insulation, there are still potential safety hazards. With the development of new energy vehicles, it is imperative to improve the safety of battery pack systems and reduce product costs.

因此，亟需提供提出一种集成化电池包，减少安装螺钉、连接线束和连接器以及额外的外壳，解决目前各模块分布布置带来的成本问题、安装空间问题，重量问题。合理布置产品高低压模块，提高系统安全性。Therefore, there is an urgent need to provide an integrated battery pack that reduces installation screws, connecting wire harnesses and connectors, and additional housings, and solves the cost, installation space, and weight problems caused by the current distribution and arrangement of each module. Reasonable arrangement of product high and low voltage modules to improve system security.

发明内容SUMMARY OF THE INVENTION

为了解决上述技术问题，本发明公开一种集成化电池包，能够准确检测碰撞信号，并且能够保证器件安全。In order to solve the above technical problems, the present invention discloses an integrated battery pack, which can accurately detect the collision signal and can ensure the safety of the device.

一方面，本发明提供一种集成化电池包，包括：相互耦接的电池模块和控制器；所述电池模块包括电池组和与所述电池组一一对应耦接的电池组检测单元；In one aspect, the present invention provides an integrated battery pack, comprising: a battery module and a controller coupled to each other; the battery module includes a battery pack and a battery pack detection unit coupled to the battery pack in a one-to-one correspondence;

所述控制器包括：微控制单元、与所述微控制单元耦接的电池管理单元、与所述电池管理单元耦接的电流检测单元、与所述电池管理单元耦接的模式切换单元、与所述微控制单元耦接的车载充电单元、与所述微控制单元和所述电池管理单元及车载充电单元耦接的电压转换单元；The controller includes: a micro-control unit, a battery management unit coupled with the micro-control unit, a current detection unit coupled with the battery management unit, a mode switching unit coupled with the battery management unit, and an on-board charging unit coupled to the micro-control unit, a voltage conversion unit coupled to the micro-control unit, the battery management unit and the on-board charging unit;

所述电池组检测单元与所述电池管理单元耦接；所述电流检测单元与电池包的正极或负极耦接；所述模式切换单元与所述电池包的正极和负极耦接。The battery pack detection unit is coupled with the battery management unit; the current detection unit is coupled with the positive electrode or the negative electrode of the battery pack; the mode switching unit is coupled with the positive electrode and the negative electrode of the battery pack.

进一步地、所述控制器还包括电流转换单元，所述电流转换单元均与所述模式切换单元、所述微控制单元、所述电压转化单元和车载低压电源耦接，所述微控制单元用于控制所述电流转换单元切换不同的电流转换模式，所述电流转换模式包括高电压转低电压模式和低电压转低电压模式。Further, the controller further includes a current conversion unit, and the current conversion unit is all coupled with the mode switching unit, the micro-control unit, the voltage conversion unit and the vehicle low-voltage power supply, and the micro-control unit is used for For controlling the current conversion unit to switch between different current conversion modes, the current conversion modes include a high voltage to low voltage mode and a low voltage to low voltage mode.

进一步地、相邻的所述电池组之间串联设置有开关，所述开关与所述控制器耦接；Further, a switch is arranged in series between the adjacent battery packs, and the switch is coupled to the controller;

所述控制器用于控制所述开关用于断开或闭合。The controller is used to control the switch for opening or closing.

进一步地、还包括：冷却单元，所述冷却单元与所述控制器耦接，所述控制器用于控制所述冷却单元的开度。Further, it also includes: a cooling unit, the cooling unit is coupled to the controller, and the controller is used to control the opening degree of the cooling unit.

进一步地、所述电池组包括多个串联的单体电池，所述电池组检测单元包括多个单体采集单元，所述多个单体采集单元与所述多个串联的单体电池一一对应耦接；Further, the battery pack includes a plurality of single cells connected in series, the battery pack detection unit includes a plurality of single cell collection units, and the plurality of single cell collection units are one-to-one with the plurality of single cells connected in series. Corresponding coupling;

所述单体采集单元用于采集单体电池的电压信息和温度信息，并将所述电压信息和所述温度信息传输至所述电池管理单元。The single collection unit is used for collecting voltage information and temperature information of a single battery, and transmitting the voltage information and the temperature information to the battery management unit.

进一步地、每个所述单体采集单元均包括电压采集电路和温度采集电路，所述电压采集电路通过金属片与所述单体采集单元对应的单体电池耦接，所述温度采集电路设置在所述单体采集单元对应的单体电池处，所述电压采集电路和所述温度采集电路均与所述电池管理单元耦接；Further, each of the single collection units includes a voltage collection circuit and a temperature collection circuit, the voltage collection circuit is coupled to the single cell corresponding to the single collection unit through a metal sheet, and the temperature collection circuit is set At the single battery corresponding to the single collecting unit, the voltage collecting circuit and the temperature collecting circuit are both coupled to the battery management unit;

所述电压采集电路用于采集与所述单体采集单元对应的单体电池的所述电压信息，并将所述电压信息传输至所述电池管理单元；The voltage collection circuit is used for collecting the voltage information of the single battery corresponding to the single collecting unit, and transmitting the voltage information to the battery management unit;

所述温度采集电路用于采集与所述单体采集单元对应的单体电池的所述温度信息，并将所述温度信息传输至所述电池管理单元。The temperature collection circuit is used for collecting the temperature information of the single battery corresponding to the single collecting unit, and transmitting the temperature information to the battery management unit.

进一步地、所述电池管理单元与所述模式切换单元耦接，所述电池管理单元用于控制模式切换单元切换不同的工作模式，所述工作模式包括：放电模式、第一充电模式、第二充电模式和第三充电模式。Further, the battery management unit is coupled to the mode switching unit, and the battery management unit is used to control the mode switching unit to switch between different working modes, the working modes include: discharging mode, first charging mode, second charging mode charging mode and third charging mode.

进一步地、所述电流检测单元与所述模式切换单元耦接，所述电流检测单元包括电流采集子单元和电压采集子单元，所述电流采集子单元和所述电压采集子单元均与所述电池包和所述电池管理单元耦接；Further, the current detection unit is coupled to the mode switching unit, the current detection unit includes a current acquisition subunit and a voltage acquisition subunit, both the current acquisition subunit and the voltage acquisition subunit are connected to the a battery pack is coupled to the battery management unit;

所述电流采集子单元用于采集所述电池包的总工作电流信息，并将所述总工作电流信息传输至所述电池管理单元；The current collection subunit is configured to collect total working current information of the battery pack, and transmit the total working current information to the battery management unit;

所述电压采集子单元用于检测所述模式切换单元的工作模式，并将所述模式切换单元的工作模式传输至所述电池管理单元。The voltage acquisition subunit is used for detecting the working mode of the mode switching unit, and transmitting the working mode of the mode switching unit to the battery management unit.

进一步地、所述控制器为PCB电路板。Further, the controller is a PCB circuit board.

另一方面，本发明提供一种车辆，所述车辆设有供电系统，所述供电系统设置有上述任一项所述的集成化电池包。In another aspect, the present invention provides a vehicle, the vehicle is provided with a power supply system, and the power supply system is provided with the integrated battery pack according to any one of the above.

实施本发明，具有如下有益效果：Implement the present invention, have the following beneficial effects:

1)本发明将电池组检测单元集成在模组内，减少了电池组检测单元外壳还有单体电压采集和单体温度采集的线束成本，体积大大减小。1) The present invention integrates the battery pack detection unit into the module, which reduces the cost of the battery pack detection unit shell and the wiring harness cost for single-cell voltage collection and single-cell temperature collection, and the volume is greatly reduced.

2)本发明仅设置一个冷却单元，该冷却单元同时给电池包和控制器进行冷却，减少之前冷却系统外的车载充电单元、电流转换单元冷却的冷却装置。2) In the present invention, only one cooling unit is provided, which cools the battery pack and the controller at the same time, thereby reducing the cooling devices used for cooling the vehicle-mounted charging unit and the current conversion unit outside the cooling system.

3)本发明合理布置产品高低压模块，由于高压部件都集成内置，减少外漏的高压部件，系统更加安全可靠。3) The present invention reasonably arranges the high and low voltage modules of the product. Since the high voltage components are integrated and built-in, the leakage of high voltage components is reduced, and the system is safer and more reliable.

4)本发明减少安装螺钉、连接线束和连接器以及额外的外壳，解决目前各模块分布布置带来的成本问题、安装空间问题，重量问题，使得电池包系统轻量化，减少车辆功耗。4) The present invention reduces installation screws, connecting wire harnesses and connectors, and additional housings, solves the cost, installation space, and weight problems caused by the current distribution and arrangement of each module, making the battery pack system lightweight and reducing vehicle power consumption.

5)本发明的控制器由电池管理单元、电流检测单元、模式切换单元、电流转换单元、车载充电单元、一个微控制单元、一个电源系统组成。控制器只有一个微控制单元、一个电源、只有一路整车CAN,减少了芯片成本。控制器只需要一个整体外壳，也减少了之前电池管理单元、电流检测单元、模式切换单元、电流转换单元的外壳设计成本和外壳成本，也减少了接插件的使用量，减少了线束成本。集成化电池包外的线束变得简单，也变得更加安全。因为电流检测单元、模式切换单元、电流转换单元、车载充电单元的集成，给车载低压电源充电，可由一个微控制单元处理，给车载低压电源充电策略大大简化。5) The controller of the present invention is composed of a battery management unit, a current detection unit, a mode switching unit, a current conversion unit, a vehicle-mounted charging unit, a micro-control unit, and a power supply system. The controller has only one microcontroller unit, one power supply, and only one CAN of the whole vehicle, which reduces the chip cost. The controller only needs one overall casing, which also reduces the casing design cost and casing cost of the previous battery management unit, current detection unit, mode switching unit, and current conversion unit, and also reduces the usage of connectors and wiring harness costs. The wiring harness outside the integrated battery pack becomes simpler and safer. Due to the integration of the current detection unit, the mode switching unit, the current conversion unit, and the on-board charging unit, the charging of the on-board low-voltage power supply can be handled by a microcontroller, which greatly simplifies the charging strategy for the on-board low-voltage power supply.

附图说明Description of drawings

为了使本技术领域的人员更好地理解本申请中的技术方案，下面将结合本申请实施例中的附图，对本申请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申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described The embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of this application.

图1为本发明实施例提供的集成化电池包的结构框图；1 is a structural block diagram of an integrated battery pack provided by an embodiment of the present invention;

其中：10-电池模块、20-控制器；Among them: 10-battery module, 20-controller;

101-电池组，102-电池组检测单元；101-battery pack, 102-battery pack detection unit;

201-微控制单元，202-电池管理单元，203-电流检测单元，204-模式切换单元，205-车载充电单元，206-电流转换单元，207-电压转换单元。201-micro control unit, 202-battery management unit, 203-current detection unit, 204-mode switching unit, 205-vehicle charging unit, 206-current conversion unit, 207-voltage conversion unit.

具体实施方式Detailed ways

为了使本技术领域的人员更好地理解本申请中的技术方案，下面将结合本申请实施例中的附图，对本申请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申请一部分实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有作出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。In order to make those skilled in the art better understand the technical solutions in the present application, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the present application. Obviously, the described The embodiments are only a part of the embodiments of the present application, but not all of the embodiments. Based on the embodiments in this application, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the scope of protection of this application.

需要说明的是，当一个元件被认为是“耦接”另一个元件时，它可以是直接耦接到另一个元件或者可能同时存在居中元件。It should be noted that when an element is referred to as being "coupled" to another element, it can be directly coupled to the other element or intervening elements may also be present.

除非另有定义，本文所使用的所有的技术和科学术语与属于本申请的技术领域的技术人员通常理解的含义相同。本文中在本申请的说明书中所使用的术语只是为了描述具体的实施方式的目的，不是旨在于限制本申请。Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which this application belongs. The terms used herein in the specification of the present application are for the purpose of describing particular embodiments only, and are not intended to limit the present application.

本发明提供的一种集成化电池包，包括：相互耦接的电池模块10和控制器20；所述电池模块10包括电池组101和与所述电池组101一一对应耦接的电池组检测单元102；An integrated battery pack provided by the present invention includes: a battery module 10 and a controller 20 coupled to each other; the battery module 10 includes a battery pack 101 and a battery pack detection unit coupled to the battery pack 101 in one-to-one correspondence unit 102;

所述控制器20包括：微控制单元201、与所述微控制单元201耦接的电池管理单元202、与所述电池管理单元202耦接的电流检测单元203、与所述电池管理单元202耦接的模式切换单元204、与所述微控制单元201耦接的车载充电单元205、与所述微控制单元201和所述电池管理单元202及车载充电单元205耦接的电压转换单元207；The controller 20 includes: a micro control unit 201 , a battery management unit 202 coupled to the micro control unit 201 , a current detection unit 203 coupled to the battery management unit 202 , and a battery management unit 202 connected to the mode switching unit 204, the on-board charging unit 205 coupled to the micro-control unit 201, and the voltage conversion unit 207 coupled to the micro-control unit 201, the battery management unit 202 and the on-board charging unit 205;

所述电池组检测单元102与所述电池管理单元202耦接；所述电流检测单元203与电池包的正极或负极耦接；所述模式切换单元204与所述电池包的正极和负极耦接。The battery pack detection unit 102 is coupled to the battery management unit 202; the current detection unit 203 is coupled to the positive or negative pole of the battery pack; the mode switching unit 204 is coupled to the positive and negative poles of the battery pack .

具体地、图1为本发明提供的一种集成化电池包的结构示意图，如图1所示，电池组检测单元102用于采集电池组101的工作电压信息和工作温度信息，并将工作电压信息和工作温度信息传输至电池管理单元202，以使得电池管理单元202将接收到的工作电压信息和工作温度信息传输至微控制单元201。其中相邻的电池组检测单元102可以通过菊花链通信方式连接。电池组检测单元102与电池管理单元202可以采用菊花链通信方式连接。Specifically, FIG. 1 is a schematic structural diagram of an integrated battery pack provided by the present invention. As shown in FIG. 1 , the battery pack detection unit 102 is used to collect the working voltage information and working temperature information of the battery pack 101 , and calculate the working voltage The information and the operating temperature information are transmitted to the battery management unit 202 , so that the battery management unit 202 transmits the received operating voltage information and the operating temperature information to the micro-control unit 201 . The adjacent battery pack detection units 102 may be connected in a daisy-chain communication manner. The battery pack detection unit 102 and the battery management unit 202 may be connected in a daisy-chain communication manner.

在一些可能的实施例中，电池组检测单元102可以直接将采集电池组101的工作电压信息和工作温度信息传输至微控制单元201。In some possible embodiments, the battery pack detection unit 102 may directly transmit the collected working voltage information and working temperature information of the battery pack 101 to the microcontroller unit 201 .

电池组检测单元102可以通过金属片直接焊接或卡接等方式与电池组101电连接；控制器20可以包括但不限于：微控制单元201、电池管理单元202、电流检测单元203、模式切换单元204、车载充电单元205和电压转换单元207。控制器20可以是PCB电路板，并将微控制单元201、电池管理单元202、电流检测单元203、模式切换单元204、车载充电单元205和电压转换单元207集成在电路板上。控制器20还可以通过CAN总线与车载ECU等模块或单元通信连接。The battery pack detection unit 102 can be electrically connected to the battery pack 101 by direct welding or clipping of metal sheets; the controller 20 can include but is not limited to: a microcontroller unit 201, a battery management unit 202, a current detection unit 203, and a mode switching unit 204 , an on-board charging unit 205 and a voltage conversion unit 207 . The controller 20 may be a PCB circuit board, and integrates the microcontroller unit 201 , the battery management unit 202 , the current detection unit 203 , the mode switching unit 204 , the vehicle charging unit 205 and the voltage conversion unit 207 on the circuit board. The controller 20 can also be communicatively connected with modules or units such as the on-board ECU through the CAN bus.

其中，所述电池组检测单元102可以用于采集所述电池组101的工作电压信息和工作温度信息，并将所述工作电压信息和所述工作温度信息传输至所述电池管理单元202；Wherein, the battery pack detection unit 102 may be configured to collect the working voltage information and working temperature information of the battery pack 101, and transmit the working voltage information and the working temperature information to the battery management unit 202;

所述电流检测单元203用于采集所述电池包的总工作电流信息和总工作电压信息，并将所述总工作电流信息和所述总工作电压信息传输至所述电池管理单元202；The current detection unit 203 is configured to collect total operating current information and total operating voltage information of the battery pack, and transmit the total operating current information and the total operating voltage information to the battery management unit 202;

所述电池管理单元202用于将接收的总工作电流信息、总工作电压信息、工作电压信息和工作温度信息发送给微控制单元201；The battery management unit 202 is configured to send the received total working current information, total working voltage information, working voltage information and working temperature information to the micro-control unit 201;

所述微控制单元201用于根据所述工作电压信息、所述工作温度信息、所述总工作电流信息和所述总工作电压信息对所述电池包进行监控管理；The micro-control unit 201 is configured to monitor and manage the battery pack according to the working voltage information, the working temperature information, the total working current information and the total working voltage information;

所述模式切换单元204用于控制所述电池包是否向外部供电或由外部充电；The mode switching unit 204 is used to control whether the battery pack supplies power to the outside or is charged by the outside;

所述车载充电单元205还与外部充电装置电连接，用于将外界电源电压转换成电池包的额定充电电压；The on-board charging unit 205 is also electrically connected to an external charging device for converting the external power supply voltage into the rated charging voltage of the battery pack;

所述电压转换单元207还与车载低压电源电连接，用于为所述微控制单元201、所述电池管理单元202和所述车载充电单元205提供电能。The voltage conversion unit 207 is also electrically connected to the vehicle low-voltage power supply, and is used to provide electrical energy for the microcontroller unit 201 , the battery management unit 202 and the vehicle charging unit 205 .

本发明将电池组检测单元102集成在模组内，减少了电池组检测单元102外壳还有单体电压采集和单体温度采集的线束成本，体积大大减小。The invention integrates the battery pack detection unit 102 in the module, which reduces the cost of the battery pack detection unit 102 shell and the wiring harness cost for single-cell voltage collection and single-cell temperature collection, and the volume is greatly reduced.

本发明的控制器20由电池管理单元202、电流检测单元203、模式切换单元204模块、车载充电单元205、微控制单元201和电压转换单元207组成。控制器20只有一个微控制单元201、一个电源、只有一路整车CAN,减少了芯片成本。控制器20只需要一个整体外壳，也减少了之前电池管理单元202、电流检测单元203、模式切换单元204模块的外壳设计成本和外壳成本，也减少了接插件的使用量，减少了线束成本。集成化电池包外的线束变得简单，也变得更加安全。因为电流检测单元203、电池管理单元202和车载充电单元205的集成，给车载低压电源充电，可由一个微控制单元201处理，给车载低压电源充电策略大大简化。The controller 20 of the present invention is composed of a battery management unit 202 , a current detection unit 203 , a mode switching unit 204 module, a vehicle-mounted charging unit 205 , a micro-control unit 201 and a voltage conversion unit 207 . The controller 20 has only one micro-control unit 201, one power supply, and only one CAN of the whole vehicle, which reduces the chip cost. The controller 20 only needs an integral casing, which also reduces the casing design cost and casing cost of the battery management unit 202, the current detection unit 203, and the mode switching unit 204 modules, and also reduces the usage of connectors and wiring harness costs. The wiring harness outside the integrated battery pack becomes simpler and safer. Due to the integration of the current detection unit 203, the battery management unit 202 and the vehicle charging unit 205, charging the vehicle low voltage power supply can be handled by a microcontroller 201, which greatly simplifies the charging strategy for the vehicle low voltage power supply.

在上述实施例的基础上，本说明书一个实施例中，所述控制器20还包括电流转换单元206，所述电流转换单元206均与所述模式切换单元204、所述微控制单元201、所述电压转化单元和车载低压电源耦接，所述微控制单元201用于控制所述电流转换单元206切换不同的电流转换模式，所述电流转换模式包括高电流转低电流模式和低电流转低电流模式。On the basis of the above embodiment, in an embodiment of this specification, the controller 20 further includes a current conversion unit 206, and the current conversion unit 206 is connected to the mode switching unit 204, the micro-control unit 201, the The voltage conversion unit is coupled to the vehicle low-voltage power supply, and the micro-control unit 201 is used to control the current conversion unit 206 to switch between different current conversion modes. The current conversion modes include high current to low current mode and low current to low current mode.

示例地、当车载低压电源需要电池包充电时，电流转换单元206可以将电池包输出的电压转换为车载低压电源的额定充电电压(即低电压转低电压模式)；当车载低压电源需要外部电源(一般为220V)充电时，电流转换单元206可以将外部电源输出的电压转换为车载低压电源的额定充电电压(即高电压转低电压模式)。For example, when the on-board low-voltage power supply needs to charge the battery pack, the current conversion unit 206 can convert the voltage output by the battery pack to the rated charging voltage of the on-board low-voltage power supply (ie, the low-voltage to low-voltage mode); when the on-board low-voltage power supply requires an external power supply When charging (generally 220V), the current conversion unit 206 can convert the voltage output by the external power supply to the rated charging voltage of the vehicle low-voltage power supply (ie, high voltage to low voltage mode).

本发明合理布置产品高低压模块，由于高压部件都集成内置，减少外漏的高压部件，系统更加安全可靠。The present invention reasonably arranges the high and low voltage modules of the product. Since the high voltage components are integrated and built-in, the leakage of high voltage components is reduced, and the system is more secure and reliable.

在上述实施例的基础上，本说明书一个实施例中，相邻的所述电池组101之间串联设置有开关，所述开关与所述控制器20耦接；On the basis of the above embodiment, in an embodiment of this specification, a switch is arranged in series between the adjacent battery packs 101, and the switch is coupled to the controller 20;

所述控制器20用于控制所述开关用于断开或闭合。The controller 20 is used to control the switch for opening or closing.

具体地、开关可以选取手动维修开关，手动维修开关可以通过电池管理单元202控制断开或闭合也可以通过其他方式控制其断开或闭合。Specifically, the switch can be a manual maintenance switch, and the manual maintenance switch can be controlled to open or close through the battery management unit 202, or can be controlled to open or close in other ways.

本发明提供的集成化的动力电池管理系统通过手动维修开关可以实现在电池包故障时，逐一排查电池组101的工作状态，提高安全性。The integrated power battery management system provided by the present invention can check the working status of the battery packs 101 one by one when the battery pack fails through a manual maintenance switch, thereby improving safety.

在上述实施例的基础上，本说明书一个实施例中，还包括冷却单元，所述冷却单元与所述控制器20耦接，所述控制器20用于控制所述冷却单元的开度。On the basis of the above embodiment, an embodiment of the present specification further includes a cooling unit, the cooling unit is coupled to the controller 20, and the controller 20 is configured to control the opening degree of the cooling unit.

具体地、冷却单元可以是风冷和/或水冷装置。冷却单元可以与微控制器20耦接，微控制器20用于根据电池组101的温度对电池组101进行降温，微控制器20还可以预设周期控制冷却单元对控制器20降温。Specifically, the cooling unit may be an air-cooled and/or water-cooled device. The cooling unit can be coupled with the microcontroller 20 , and the microcontroller 20 is used to cool the battery pack 101 according to the temperature of the battery pack 101 , and the microcontroller 20 can also control the cooling unit to cool the controller 20 in a preset cycle.

本发明通过一个冷却单元对整个电池包进行降温，减少冷却器件的数量，提高了冷却效率和资源。The present invention cools the entire battery pack through one cooling unit, reduces the number of cooling devices, and improves cooling efficiency and resources.

在上述实施例的基础上，本说明书一个实施例中，所述电池组101包括多个串联的单体电池，所述电池组检测单元102包括多个单体采集单元，所述多个单体采集单元与所述多个串联的单体电池一一对应耦接；On the basis of the above embodiment, in an embodiment of this specification, the battery pack 101 includes a plurality of single cells connected in series, the battery pack detection unit 102 includes a plurality of cell collection units, and the plurality of single cells The collection unit is coupled to the plurality of single cells connected in series in one-to-one correspondence;

所述单体采集单元用于采集单体电池的电压信息和温度信息，并将所述电压信息和所述温度信息传输至所述电池管理单元202。The cell collection unit is configured to collect voltage information and temperature information of a single cell, and transmit the voltage information and the temperature information to the battery management unit 202 .

具体地、多个单体采集单元之间依次耦接，其中，最后一个耦接的单体采集单元还与相连的电池组101工作信息采集模块或电池管理单元202耦接。且单体采集单元的数量与单体电池的数量相同，一个单体采集单元对应一个单体电池耦接。Specifically, the plurality of single collection units are sequentially coupled, wherein the last coupled single collection unit is further coupled to the connected battery pack 101 working information collection module or the battery management unit 202 . In addition, the number of single collection units is the same as the number of single cells, and one single collection unit is coupled to one single cell.

通过单体采集单元对单体电池一一检查温度和电压，更加准确的保证集成化电池包的安全。The temperature and voltage of the single cells are checked one by one through the single acquisition unit to more accurately ensure the safety of the integrated battery pack.

在上述实施例的基础上，本说明书一个实施例中，每个所述单体采集单元均包括电压采集电路和温度采集电路，所述电压采集电路通过金属片与所述单体采集单元对应的单体电池耦接，所述温度采集电路设置在所述单体采集单元对应的单体电池处，所述电压采集电路和所述温度采集电路均与所述电池管理单元202耦接；On the basis of the above embodiments, in an embodiment of this specification, each of the single acquisition units includes a voltage acquisition circuit and a temperature acquisition circuit, and the voltage acquisition circuit is connected to the single acquisition unit through a metal sheet. The single cell is coupled, the temperature collection circuit is arranged at the single cell corresponding to the single cell collection unit, and the voltage collection circuit and the temperature collection circuit are both coupled to the battery management unit 202;

所述电压采集电路用于采集与所述单体采集单元对应的单体电池的所述电压信息，并将所述电压信息传输至所述电池管理单元202；The voltage collection circuit is configured to collect the voltage information of the single battery corresponding to the single collection unit, and transmit the voltage information to the battery management unit 202;

所述温度采集电路用于采集与所述单体采集单元对应的单体电池的所述温度信息，并将所述温度信息传输至所述电池管理单元202。The temperature collection circuit is configured to collect the temperature information of the single battery corresponding to the single collection unit, and transmit the temperature information to the battery management unit 202 .

具体地、电压采集电路可以用于检测该单体电池的电压偏差是否保持在预期范围内。若超出电压偏差则提醒用户对电池包进行充电。单体采集单元可以通过镍片耦接在电池包上方，其中，电压采集电路包括电池监测器MAX17823，温度采集电路可以使用但不限于NTC。Specifically, the voltage acquisition circuit can be used to detect whether the voltage deviation of the single cell remains within an expected range. If the voltage deviation is exceeded, the user is reminded to charge the battery pack. The single acquisition unit can be coupled above the battery pack through a nickel sheet, wherein the voltage acquisition circuit includes a battery monitor MAX17823, and the temperature acquisition circuit can use but is not limited to NTC.

电池组检测单元102由外挂在电池包内改为和电池集成方案，原本通过线束连接方式改为通过镍片连接，降低了长导线的成本，且省去了这部分导线需要做的安全防护。电池组检测单元102内置在电池模组中省去了电池组检测单元102外壳，同时对电池包来说也省去了电池组检测单元102安装空间。以上减少的线束和外壳，可使电池包重量减轻满足车辆轻量化要求，减少车辆功耗。The battery pack detection unit 102 is changed from being externally mounted in the battery pack to being integrated with the battery. The original wiring harness connection method is changed to a nickel sheet connection, which reduces the cost of long wires and eliminates the need for safety protection for these wires. The battery pack detection unit 102 is built in the battery module, so the casing of the battery pack detection unit 102 is omitted, and the installation space of the battery pack detection unit 102 is also omitted for the battery pack. The above-reduced wiring harness and casing can reduce the weight of the battery pack to meet the vehicle lightweight requirements and reduce vehicle power consumption.

在上述实施例的基础上，本说明书一个实施例中，所述电池管理单元202与所述模式切换单元204耦接，所述电池管理单元202用于控制模式切换单元204切换不同的工作模式，所述工作模式包括：放电模式、第一充电模式、第二充电模式和第三充电模式。On the basis of the above embodiment, in an embodiment of this specification, the battery management unit 202 is coupled to the mode switching unit 204, and the battery management unit 202 is used to control the mode switching unit 204 to switch between different working modes, The operating modes include a discharge mode, a first charging mode, a second charging mode, and a third charging mode.

具体地、模式切换单元204的工作模式包括：放电模式、第一充电模式、第二充电模式和第三充电模式。模式切换单元204的工作模式可以通过电路控制实现，其电路具体连接方式及器件在本说明书中不做具体限定。Specifically, the operating modes of the mode switching unit 204 include: a discharge mode, a first charging mode, a second charging mode, and a third charging mode. The working mode of the mode switching unit 204 can be realized by circuit control, and the specific connection mode and device of the circuit are not specifically limited in this specification.

示例地、当电池包供电时微控制单元201可以向电池管理单元202发送工作指令，使得电池管理单元202控制模式切换单元204切换到放电模式的电路，使得电池包放电；当电池包充电时微控制单元201可以向电池管理单元202发送第一充电指令，使得电池管理单元202控制模式切换单元204切换到第一充电模式的电路，使得电池包进行充电；当车载低压电源需要充电时微控制单元201可以向电池管理单元202发送第二充电指令，使得电池管理单元202控制模式切换单元204切换到第二充电模式的电路，使得电池包对车载低压电源进行充电；当车载低压电源需要充电时微控制单元201可以向电池管理单元202发送第三充电指令，使得电池管理单元202控制模式切换单元204切换到第三充电模式的电路，使得外部电源对车载低压电源进行充电。For example, when the battery pack is powered, the micro-control unit 201 may send a work instruction to the battery management unit 202, so that the battery management unit 202 controls the mode switching unit 204 to switch to the circuit of the discharge mode, so that the battery pack is discharged; The control unit 201 can send the first charging instruction to the battery management unit 202, so that the battery management unit 202 controls the circuit of the mode switching unit 204 to switch to the first charging mode, so that the battery pack is charged; when the vehicle low-voltage power supply needs to be charged, the micro-control unit 201 can send a second charging instruction to the battery management unit 202, so that the battery management unit 202 controls the mode switching unit 204 to switch to the circuit of the second charging mode, so that the battery pack charges the on-board low-voltage power supply; when the on-board low-voltage power supply needs to be charged, the The control unit 201 may send a third charging instruction to the battery management unit 202, so that the battery management unit 202 controls the mode switching unit 204 to switch to the circuit of the third charging mode, so that the external power supply charges the vehicle low-voltage power supply.

通过对模式切换单元204不同工作模式的切换，实现多种工作模式，减少原有方案的器件多的问题，提高微控制单元201和电池管理单元202的使用效率，降低故障发生的可能，使整个集成化电池包更加安全可靠，提高用户好感度。By switching the different working modes of the mode switching unit 204, a variety of working modes are realized, the problem of many devices in the original solution is reduced, the use efficiency of the micro-control unit 201 and the battery management unit 202 is improved, the possibility of failure is reduced, and the entire The integrated battery pack is safer and more reliable, improving user favorability.

在上述实施例的基础上，本说明书一个实施例中，所述电流检测单元203与所述模式切换单元204耦接，所述电流检测单元203包括电流采集子单元和电压采集子单元，所述电流采集子单元和所述电压采集子单元均与所述电池包和所述电池管理单元202耦接；On the basis of the above embodiment, in an embodiment of this specification, the current detection unit 203 is coupled to the mode switching unit 204, and the current detection unit 203 includes a current acquisition subunit and a voltage acquisition subunit. Both the current collection subunit and the voltage collection subunit are coupled to the battery pack and the battery management unit 202;

所述电流采集子单元用于采集所述电池包的总工作电流信息，并将所述总工作电流信息传输至所述电池管理单元202；The current collection subunit is configured to collect the total working current information of the battery pack, and transmit the total working current information to the battery management unit 202;

所述电压采集子单元用于检测所述模式切换单元204的工作模式，并将所述模式切换单元204的工作模式传输至所述电池管理单元202。The voltage acquisition sub-unit is used to detect the working mode of the mode switching unit 204 and transmit the working mode of the mode switching unit 204 to the battery management unit 202 .

另一方面，本发明提供一种车辆，所述车辆设有供电系统，其特征在于，所述供电装置设置有上述任一项所述的集成化电池包。由于上述集成化电池包具有上述技术效果，因此具有上述集成化电池包的汽车也应具有相应的技术效果，在此不再赘述。In another aspect, the present invention provides a vehicle, the vehicle is provided with a power supply system, wherein the power supply device is provided with the integrated battery pack described in any one of the above. Since the above-mentioned integrated battery pack has the above-mentioned technical effects, the automobile having the above-mentioned integrated battery pack should also have the corresponding technical effects, which will not be repeated here.

需要说明的是，在本申请的描述中，术语“第一”、“第二”等仅用于描述目的和区别类似的对象，两者之间并不存在先后顺序，也不能理解为指示或暗示相对重要性。此外，在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。It should be noted that, in the description of this application, the terms "first", "second", etc. are only used for the purpose of description and to distinguish similar objects, and there is no sequence between the two, nor can they be understood as indicating or imply relative importance. Also, in the description of this application, unless otherwise specified, "plurality" means two or more.

应该理解，以上描述是为了进行图示说明而不是为了进行限制。通过阅读上述描述，在所提供的示例之外的许多实施方式和许多应用对本领域技术人员来说都将是显而易见的。因此，本教导的范围不应该参照上述描述来确定，而是应该参照前述权利要求以及这些权利要求所拥有的等价物的全部范围来确定。出于全面之目的，所有文章和参考包括专利申请和公告的公开都通过参考结合在本文中。在前述权利要求中省略这里公开的主题的任何方面并不是为了放弃该主体内容，也不应该认为申请人没有将该主题考虑为所公开的申请主题的一部分。It should be understood that the above description is for purposes of illustration and not limitation. From reading the above description, many embodiments and many applications beyond the examples provided will be apparent to those skilled in the art. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the preceding claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are incorporated herein by reference for the purpose of being comprehensive. The omission of any aspect of the subject matter disclosed herein in the preceding claims is not intended to disclaim such subject matter, nor should the applicant be considered as not considering such subject matter as part of the disclosed subject matter.

Claims (10)

1. An integrated battery pack, comprising: a battery module (10) and a controller (20) coupled to each other; the battery module (10) comprises a battery pack (101) and battery pack detection units (102) coupled with the battery pack (101) in a one-to-one correspondence manner;
the controller (20) includes: a micro control unit (201), a battery management unit (202) coupled with the micro control unit (201), a current detection unit (203) coupled with the battery management unit (202), a mode switching unit (204) coupled with the battery management unit (202), an on-board charging unit (205) coupled with the micro control unit (201), and a voltage conversion unit (207) coupled with the micro control unit (201), the battery management unit (202) and the on-board charging unit (205);
the battery pack detection unit (102) is coupled with the battery management unit (202); the current detection unit (203) is coupled with the positive pole or the negative pole of the battery pack; the mode switching unit (204) is coupled to the positive and negative electrodes of the battery pack.
2. The integrated battery pack according to claim 1, wherein the controller (20) further comprises a current conversion unit (206), the current conversion unit (206) is coupled to the mode switching unit (204), the micro control unit (201), the voltage conversion unit and an on-board low voltage power supply, the micro control unit (201) is configured to control the current conversion unit (206) to switch different current conversion modes, and the current conversion modes comprise a high voltage to low voltage mode and a low voltage to low voltage mode.
3. The integrated battery pack according to claim 1, wherein a switch is arranged in series between adjacent battery packs (101), the switch being coupled to the controller (20);
the controller (20) is used for controlling the switch to be opened or closed.
4. The integrated battery pack according to claim 2, further comprising a cooling unit coupled to the controller (20), the controller (20) being configured to control an opening degree of the cooling unit.
5. The integrated battery pack according to claim 1, wherein the battery pack (101) comprises a plurality of single batteries connected in series, and the battery pack detection unit (102) comprises a plurality of single acquisition units coupled in one-to-one correspondence with the plurality of single batteries connected in series;
the single acquisition unit is used for acquiring voltage information and temperature information of a single battery and transmitting the voltage information and the temperature information to the battery management unit (202).
6. The integrated battery pack according to claim 5, wherein each single cell collection unit comprises a voltage collection circuit and a temperature collection circuit, the voltage collection circuit is coupled with the corresponding single cell of the single cell collection unit through a metal sheet, the temperature collection circuit is arranged at the corresponding single cell of the single cell collection unit, and the voltage collection circuit and the temperature collection circuit are both coupled with the battery management unit (202);
the voltage acquisition circuit is used for acquiring the voltage information of the single battery corresponding to the single acquisition unit and transmitting the voltage information to the battery management unit (202);
the temperature acquisition circuit is used for acquiring the temperature information of the single battery corresponding to the single acquisition unit and transmitting the temperature information to the battery management unit (202).
7. The integrated battery pack according to claim 1, wherein the battery management unit (202) is coupled to the mode switching unit (204), and the battery management unit (202) is configured to control the mode switching unit (204) to switch different operation modes, wherein the operation modes include: a discharge mode, a first charge mode, a second charge mode, and a third charge mode.
8. The integrated battery pack according to claim 1, wherein the current detection unit (203) is coupled to the mode switching unit (204), the current detection unit (203) comprising a current collection subunit and a voltage collection subunit, both coupled to the battery pack and to the battery management unit (202);
the current collecting subunit is used for collecting total working current information of the battery pack and transmitting the total working current information to the battery management unit (202);
the voltage acquisition subunit is used for detecting the working mode of the mode switching unit (204) and transmitting the working mode of the mode switching unit (204) to the battery management unit (202).
9. The integrated battery pack according to claim 1, wherein the controller (20) is a PCB circuit board.
10. A vehicle provided with a power supply system, characterized in that the power supply system is provided with an integrated battery pack according to any one of claims 1-9.
CN202010128605.4A 2020-02-28 2020-02-28 An integrated battery pack Pending CN111342151A (en)

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