WO2016106658A1 - 一种电动汽车电池包 - Google Patents

一种电动汽车电池包 Download PDF

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Publication number
WO2016106658A1
WO2016106658A1 PCT/CN2014/095841 CN2014095841W WO2016106658A1 WO 2016106658 A1 WO2016106658 A1 WO 2016106658A1 CN 2014095841 W CN2014095841 W CN 2014095841W WO 2016106658 A1 WO2016106658 A1 WO 2016106658A1
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WO
WIPO (PCT)
Prior art keywords
battery pack
battery
electric vehicle
mounting frame
distributed
Prior art date
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PCT/CN2014/095841
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English (en)
French (fr)
Inventor
徐国卿
曾庆文
刘玢玢
Original Assignee
中国科学院深圳先进技术研究院
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Publication of WO2016106658A1 publication Critical patent/WO2016106658A1/zh

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    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/64—Constructional details of batteries specially adapted for electric vehicles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K1/00—Arrangement or mounting of electrical propulsion units
    • B60K1/04—Arrangement or mounting of electrical propulsion units of the electric storage means for propulsion
    • 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
    • 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
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • 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
    • H01M50/249—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders specially adapted for aircraft or vehicles, e.g. cars or trains
    • 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

Definitions

  • the present invention relates to the field of electric vehicle technology, and in particular to an electric vehicle battery pack.
  • the electric vehicle industry is developing rapidly.
  • the key technologies such as motors, batteries and electronic controls are constantly being optimized and improved.
  • the research on battery technology is one of the core technologies for the development of electric vehicles.
  • the battery is the power source of the electric vehicle, and is the energy storage device.
  • the capacity of the battery directly affects the cruising range of the electric vehicle.
  • the storage capacity directly affects the driving range of the vehicle, and the energy density of the battery is constant.
  • the size determines how much energy is stored, and the different power battery arrangements directly determine the size of the volume.
  • the electric car battery pack has gradually moved from the simple packaging battery to the characteristic design.
  • the specific mounting arrangement of the battery pack for different models has become an important optimization design direction for electric vehicle battery packs.
  • the battery packs of existing electric vehicles There are two main ways to arrange the battery packs of existing electric vehicles: one is to arrange the entire battery pack, and the whole battery pack is installed inside the vertical beam or below the floor, but the car has front and rear suspension, left and right longitudinal beams, and a seat. Beams such as chairs, etc., these necessary parts limit the layout space of the battery pack. If a large number of modifications are not made to the vehicle body, it is difficult to arrange the battery pack reasonably, and it is necessary to modify the floor and the longitudinal beams, which may cause potential harm.
  • the other is to dispose the battery pack in a distributed manner, and fix multiple sets of battery packs in the available space in the front cabin, under the car floor and in the trunk, but this method is not convenient for installing and disassembling the battery pack, and the battery of the trunk at the same time.
  • the package and the battery pack under the car floor have different ambient temperatures, which is not convenient for the design of the vehicle thermal management system.
  • the battery compartment is separately arranged in the front engine compartment or the trunk, the front and rear axle load distribution will be uneven, and the steering stability of the vehicle will be generated. Bad effects and will take up luggage space.
  • the existing electric vehicle battery packs are mostly rectangular battery packs, and the shape of the battery pack is relatively fixed, and the inside space cannot be fully utilized, which is not conducive to the compact layout of the electric vehicle. design.
  • the technical problem to be solved by the present invention is that the existing electric vehicle battery pack cannot fully utilize the interior space and the compact layout design that is disadvantageous to the electric vehicle, thereby proposing an electric vehicle battery pack that can be shaped.
  • the present invention provides the following technical solutions:
  • An electric car battery pack comprising:
  • a battery pack mounting frame having a structure adapted to an interior space of the electric vehicle
  • the distributed battery controller being disposed inside the battery pack mounting frame and connected to the battery unit;
  • connection interface is disposed on an outer side of the battery pack mounting frame for connecting to the electric vehicle power connection port.
  • the battery unit is a combination of a plurality of unit batteries or a battery module.
  • the battery unit can be placed horizontally or vertically or at any angle.
  • a plurality of mounting holes are provided on an outer side surface of the battery pack mounting frame for mounting the battery pack mounting frame under the vehicle body floor of the electric vehicle.
  • the electric vehicle battery pack further includes a heat dissipating device disposed on an inner side surface of the battery pack mounting frame for cooling the plurality of battery units, wherein the heat dissipating device is a heat dissipating fan or a heat sink.
  • the battery unit is fixed in the battery pack mounting frame, and different rows and columns are combined according to the electric vehicle space layout.
  • the battery unit is detachably mounted in the battery pack mounting frame.
  • the distributed battery controller is one or more.
  • each of the battery units is connected to one of the distributed battery controllers.
  • An electric vehicle battery pack comprising a battery pack mounting frame having a structure adapted to an internal space of an electric vehicle; a plurality of battery units, the plurality of battery units being combined and fixed in the a battery pack installation frame; a distributed battery controller disposed inside the battery pack mounting frame and connected to the battery unit; and a connection interface disposed on an outer side of the battery pack mounting frame Above, used to connect to the electric car power port.
  • An electric vehicle battery pack according to the present invention wherein a plurality of mounting holes are provided on an outer side surface of the battery pack mounting frame, and the battery pack mounting frame can be conveniently installed under the vehicle body floor of the electric vehicle.
  • An electric vehicle battery pack further comprising a heat dissipating device disposed on an inner side surface of the battery pack mounting frame for cooling the plurality of battery cells, the heat dissipating The device is a cooling fan or a heat sink, and is provided with a heat sink to control the temperature of the battery pack and prevent the danger caused by excessive temperature in the battery pack.
  • each of the battery units is connected to one of the distributed battery controllers, and the distributed battery controller is used for decentralized control of the battery unit, when a battery unit is faulty Does not affect the use of the entire electric car battery pack.
  • FIG. 1 is a front elevational view showing the structure of an electric vehicle battery pack according to an embodiment of the present invention
  • FIG. 2 is a top plan view showing a structure of an electric vehicle battery pack according to an embodiment of the present invention
  • FIG. 3 is a left side view of a battery pack structure of an electric vehicle according to an embodiment of the present invention.
  • FIG. 4 is a front view of a battery pack mounting frame according to an embodiment of the present invention.
  • FIG. 5 is a top plan view of a battery pack mounting frame in accordance with one embodiment of the present invention.
  • the reference numerals in the figure are: 1- battery pack mounting frame, 2-first outer side of the battery pack mounting frame, 3-second outer side of the battery pack mounting frame, 4-mounting hole, 5-cell, 6 - Distributed battery controller, 7-connector, 8-heat sink.
  • the embodiment provides an electric vehicle battery pack.
  • the front view of the electric vehicle battery pack is shown in FIG. 1
  • the electric vehicle battery pack structure is as shown in FIG. 2 .
  • the electric vehicle battery pack includes:
  • the battery pack mounting frame 1 has a structure adapted to the internal space of the electric vehicle, and the battery pack mounting frame 1 can be set according to the internal space of the electric vehicle, and can be set high in a large space.
  • the battery pack mounting frame 1 in the embodiment has a low front end and a low rear end.
  • the front view of the battery pack mounting frame 1 is as shown in FIG. 4 .
  • a top view of the battery pack mounting frame 1 is shown in FIG.
  • the first outer side surface 2 and the second outer side surface 3 of the battery pack mounting frame are provided with a plurality of mounting holes 4, the mounting holes 4 are evenly arranged at intervals, and the mounting holes 4 are fixed by bolts or the like. Install the battery pack mounting frame 1 under the underbody's floor of the electric car. By providing a plurality of mounting holes 4 on the outer side surface of the battery pack mounting frame 1, the battery pack mounting frame can be conveniently mounted under the vehicle body floor of the electric vehicle.
  • the battery pack mounting frame 1 is provided with a battery unit arrangable space, and the combined electric vehicle battery pack is suitable. With the shape of the electric car space layout.
  • the battery unit 5 can be placed horizontally or vertically or at any angle.
  • the battery unit 5 is fixed in the battery pack mounting frame 1, and different rows and columns are combined according to the electric vehicle space layout.
  • the battery unit 5 is detachably mounted in the battery pack mounting frame 1.
  • the battery unit 5 is mounted in the battery pack mounting frame 1 by the detachable structural member, so that the electric vehicle battery pack can be easily installed and removed.
  • the battery unit 5 is a combination of a plurality of unit batteries or a battery module.
  • a distributed battery controller 6 is disposed inside the battery pack mounting frame 1 and connected to the battery unit 5.
  • the distributed battery controller 6 is one or more.
  • Each of the battery units 5 is connected to one of the distributed battery controllers 6, and the distributed battery controller 6 is used for distributed control of the battery unit 5.
  • the entire electric vehicle battery pack is not affected. .
  • connection interface 7 is disposed on the outer side of the battery pack mounting frame 1 for connection with an external electric vehicle power port.
  • the heat dissipating device 8 is disposed on an inner side surface of the battery pack mounting frame 1 for cooling the plurality of battery cells 5, and the heat dissipating device 8 is a heat dissipating fan or a heat sink. It is equipped with a heat sink to control the temperature of the battery pack and prevent the danger caused by excessive temperature inside the battery pack.
  • An electric vehicle battery pack provided by the embodiment includes a battery pack mounting frame having a structure adapted to an internal space of the electric vehicle; a plurality of battery units, the plurality of battery units being assembled and fixed in the battery pack installation a distributed battery controller, the distributed battery controller is disposed inside the battery pack mounting frame and connected to the battery unit; and the connection interface is disposed on an outer side of the battery pack mounting frame, Connected to the power port of the electric car.
  • the embodiment provides an electric vehicle battery pack, which is composed of an independent distributed battery unit, a battery pack mounting frame, a distributed battery controller, and a connection interface.
  • the battery pack is composed of a plurality of battery cells, and the plurality of distributed battery cells are connected to one or more distributed battery controllers.
  • the cells in each battery cell are placed horizontally and vertically, and the number of layers and combinations are different.
  • the space of the electric vehicle can be fully utilized by the combination of a plurality of battery units.
  • the battery unit is assembled and fixed on the battery pack mounting frame, and connected to the distributed battery controller to form a complete shaped electric vehicle battery pack.
  • the battery pack can be easily mounted on an electric vehicle by mounting holes in the mounting frame.
  • the independent distributed battery unit can adjust the arrangement position according to the space of the electric vehicle, not only can the combination of the rows and the rows, but also the battery can be arranged upright and laid flat, which can add more layout modes and make full use of the layout space.
  • the embodiment provides a shapeable electric vehicle battery pack, which can solve the contradiction between the irregularity and limited arrangement of the battery pack capacity and volume and the arrangement space, and the contradiction between the shape of the battery pack and the modification of the vehicle body.
  • the special-shaped electric vehicle battery pack is arranged on the frame, under the vehicle body floor, and the battery pack can be shaped according to the shape of the underbody, so that the electric vehicle can be made through the shape of the battery pack without changing or changing the design of the vehicle as much as possible. Arrange a larger capacity battery.
  • the battery pack is composed of independent distributed battery pack sub-units.
  • the battery space that different electric vehicles can provide is different.
  • the battery pack unit is combined in different ways to form a special-shaped electric vehicle battery pack to realize the maximum utilization of the existing space.
  • the battery subunits can change the shape of the battery pack by superimposing the thickness, width and height, and can also be placed horizontally and vertically. To increase the diversity to adapt to a variety of electric vehicles, while simplifying the vehicle design to a certain extent.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Combustion & Propulsion (AREA)
  • Manufacturing & Machinery (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sustainable Energy (AREA)
  • Power Engineering (AREA)
  • Battery Mounting, Suspending (AREA)
  • Arrangement Or Mounting Of Propulsion Units For Vehicles (AREA)

Abstract

本发明提供一种电动汽车电池包，包括电池包安装框，具有与电动汽车内部空间相适配的结构；多个电池单元，所述多个电池单元组合后固定在所述电池包安装框内；分布式电池控制器，所述分布式电池控制器设置在电池包安装框内部，与所述电池单元连接；连接接口，所述连接接口设置在电池包安装框的外侧面上，用于与电动汽车接电端口连接。通过不同方式组合电池单元构成异形的电池包实现对电动汽车空间最大化的利用，有利于电动汽车的紧凑布局设计同时尽可能的加大了电动汽车电池包的容量。

Description

一种电动汽车电池包 技术领域
本发明涉及电动汽车技术领域，具体地涉及一种电动汽车电池包。
背景技术
目前，电动汽车产业正在飞速发展，电机、电池、电控等关键技术方向都在不断进行优化改良设计，电池技术的研究，是目前电动汽车发展的核心技术之一。电池是电动汽车的动力源，是能量的存储装置，其容量大小直接影响电动车的续航里程，其存储能力的多少直接影响整车续驶里程，电芯能量密度一定的前提下，其体积的大小决定了其储存能量的多少，而不同的动力电池布置方式直接决定了其体积的大小。电动汽车电池包从以往的简单打包电池在逐渐向特色设计迈进。针对不同车型进行电池包的特定安装布置成为电动汽车电池包的一个重要优化设计方向。
现有电动汽车电池包的布置方式主要有两种：一种是将整个电池包集中布置，将整个电池包安装在纵梁内侧或者地板下方，但是汽车有前后悬挂、左右纵梁，以及安装座椅等的横梁等，这些必需的零部件限制了电池包的布置空间，如果不对车身做大量的修改很难将电池包合理布置，需要对地板及纵梁等进行改动，容易造成潜在性的危害；另一种是将电池包分散式布置，将多组电池包分别固定在前机舱、车身地板下方及后备箱等可用空间，但是这种方式不便于安装和拆卸电池组，同时后备箱的电池包与车身地板下方的电池包环境温度不同，不便于整车热管理***的设计，此外若前机舱或后备箱单独布置电池包会造成前后轴荷分布不均匀，对整车的操纵稳定性产生不良影响，并会占用行李箱空间。而且现有的电动汽车电池包多为矩形电池包，电池包形状相对固定，无法充分利用车内空间，不利于电动汽车的紧凑布局 设计。
发明内容
为此，本发明所要解决的技术问题在于现有电动汽车电池包无法充分利用车内空间以及不利于电动汽车的紧凑布局设计，从而提出一种可以异形的电动汽车电池包。
为解决上述技术问题，本发明的提供如下技术方案：
一种电动汽车电池包，包括：
电池包安装框，所述电池包安装框具有与电动汽车内部空间相适配的结构；
多个电池单元，所述多个电池单元组合后固定在所述电池包安装框内；
分布式电池控制器，所述分布式电池控制器设置在电池包安装框内部，与所述电池单元连接；
连接接口，所述连接接口设置在电池包安装框的外侧面上，用于与电动汽车接电端口连接。
上述电动汽车电池包，所述电池单元为多个单体电池的组合或者是电池模块。
上述电动汽车电池包，所述电池单元可水平放置或竖直放置或以任意角度放置。
上述电动汽车电池包，所述电池包安装框的外侧面上设置有多个安装孔，用于将所述电池包安装框安装在电动汽车的车身地板下。
上述电动汽车电池包，还包括散热装置，所述散热装置设置在电池包安装框的内侧面上，用于对所述多个电池单元进行冷却，所述散热装置为散热风扇或者散热片。
上述电动汽车电池包，所述电池单元固定在电池包安装框内，根据电动汽车空间布局，进行不同的行列组合。
上述电动汽车电池包，所述电池单元可拆卸地安装在电池包安装框内。
上述电动汽车电池包，所述分布式电池控制器为1个或多个。
上述电动汽车电池包，每个电池单元连接一个所述分布式电池控制器。
本发明的上述技术方案相比现有技术具有以下优点：
(1)本发明所述的一种电动汽车电池包，包括电池包安装框，具有与电动汽车内部空间相适配的结构；多个电池单元，所述多个电池单元组合后固定在所述电池包安装框内；分布式电池控制器，所述分布式电池控制器设置在电池包安装框内部，与所述电池单元连接；连接接口，所述连接接口设置在电池包安装框的外侧面上，用于与电动汽车接电端口连接。通过不同方式组合电池单元构成异形的电池包实现对电动汽车空间最大化的利用，有利于电动汽车的紧凑布局设计同时尽可能的加大了电池包的容量。
(2)本发明所述的一种电动汽车电池包，所述电池包安装框的外侧面上设置有多个安装孔，可以方便的将电池包安装框安装在电动汽车的车身地板下。
(3)本发明所述的一种电动汽车电池包，还包括散热装置，所述散热装置设置在电池包安装框的内侧面上，用于对所述多个电池单元进行冷却，所述散热装置为散热风扇或者散热片，设置有散热装置，能够控制电池包的温度，防止电池包内温度过高造成的危险。
(4)本发明所述的一种电动汽车电池包，所述电池单元可拆卸地安装在电池包安装框内，使得电动汽车电池包可以较容易的安装和拆卸。
(5)本发明所述的一种电动汽车电池包，每个电池单元连接一个所述分布式电池控制器，采用分布式电池控制器对电池单元进行分散控制，在某一电池单元产生故障时，不影响整个电动汽车电池包的使用。
附图说明
为了使本发明的内容更容易被清楚的理解，下面根据本发明的具体实施例并结合附图，对本发明作进一步详细的说明，其中
图1是本发明一个实施例的一种电动汽车电池包结构主视图；
图2是本发明一个实施例的一种电动汽车电池包结构俯视图；
图3是本发明一个实施例的一种电动汽车电池包结构左视图；
图4是本发明一个实施例的一种电池包安装框主视图；
图5是本发明一个实施例的一种电池包安装框俯视图。
图中附图标记表示为：1-电池包安装框、2-电池包安装框的第一外侧面、3-电池包安装框的第二外侧面、4-安装孔、5-电池单元、6-分布式电池控制器、7-连接接口、8-散热装置。
具体实施方式
实施例1
本实施例提供一种电动汽车电池包，所述电动汽车电池包的主视图如图1所示，所述电动汽车电池包结构俯视图如图2所示，所述电动汽车电池包结构左视图如图3所示，所述电动汽车电池包包括：
电池包安装框1，所述电池包安装框1具有与电动汽车内部空间相适配的结构，所述电池包安装框1可以根据电动汽车内部空间进行设置，在空间大的地方可以设置的高一点，在空间小的地方可以设置的低一点，本实施例中所述电池包安装框1为前端高后端低的结构，所述电池包安装框1的主视图如图4所示，所述电池包安装框1的俯视图如图5所示。
所述电池包安装框的1第一外侧面2和第二外侧面3上设置有多个安装孔4，所述安装孔4每隔一段距离均匀排列，所述安装孔4通过螺栓等固定部件将电池包安装框1安装在电动汽车的车身地板下。通过在所述电池包安装框1的外侧面上设置有多个安装孔4，可以方便的将电池包安装框安装在电动汽车的车身地板下。
多个电池单元5，所述多个电池单元5组合后固定在所述电池包安装框1内，在电池包安装框1内设有电池单元可布置空间，组合后的电动汽车电池包为适配电动汽车空间布局的形状。
根据电动汽车空间布局，所述电池单元5可水平放置或竖直放置或以任意角度放置。
所述电池单元5固定在电池包安装框1内，根据电动汽车空间布局，进行不同的行列组合。
所述电池单元5可拆卸地安装在电池包安装框1内。通过可拆卸结构部件将电池单元5安装在电池包安装框1内，使得电动汽车电池包可以较容易的安装和拆卸。
所述电池单元5为多个单体电池的组合或者是电池模块。
分布式电池控制器6，所述分布式电池控制器6设置在电池包安装框1内部，与所述电池单元5连接。
所述分布式电池控制器6为1个或多个。
每个电池单元5连接一个所述分布式电池控制器6，采用分布式电池控制器6对电池单元5进行分散控制，在某一电池单元5产生故障时，不影响整个电动汽车电池包的使用。
连接接口7，所述连接接口7设置在电池包安装框1的外侧面上，用于与外部电动汽车接电端口连接。
散热装置8，所述散热装置8设置在电池包安装框1的内侧面上，用于对所述多个电池单元5进行冷却，所述散热装置8为散热风扇或者散热片。设置有散热装置，能够控制电池包的温度，防止电池包内温度过高造成的危险
本实施例提供的一种电动汽车电池包，包括电池包安装框，具有与电动汽车内部空间相适配的结构；多个电池单元，所述多个电池单元组合后固定在所述电池包安装框内；分布式电池控制器，所述分布式电池控制器设置在电池包安装框内部，与所述电池单元连接；连接接口，所述连接接口设置在电池包安装框的外侧面上，用于与电动汽车接电端口连接。通过不同方式组合电池单元构成异形的电池包实现对电动汽车空间最大化的利用，有利于电 动汽车的紧凑布局设计同时尽可能的加大了电池包的容量。
实施例2
本实施例提供一种电动汽车电池包，所述电动汽车电池包由独立分布式电池单元、电池包安装框、分布式电池控制器和连接接口组成。
电池包由多个电池单元组成，多个分布式电池单元连接有一个或多个分布式电池控制器。
每个电池单元内电池的横竖放置，层数、组合方式不同。
根据电动汽车的电池安装空间的不同，通过多个电池单元的组合，可以充分利用电动汽车的空间。电池单元组合后固定在电池包安装框架上，并连接分布式电池控制器组成完整的异形电动汽车电池包。通过安装框架上的安装孔，可以方便的将电池包安装在电动汽车上。
独立分布式电池单元可以根据电动汽车的空间调整布置位置，不只是可以进行行列的组合，还可以将电池竖立布置、平放布置，可以增加更多的布置方式，更充分利用布局空间。
本实施例提供一种可异形的电动汽车电池包，可以解决电池包容量和体积需要与布置空间不规则且有限的矛盾，以及电池包形状与车身改动的矛盾。异形电动汽车电池包布置于车架上，位于车身地板下，电池包可以根据车身底板的形状异形，以实现在尽量不改变或较小改变车身设计的情况下通过电池包的异形使得电动汽车可以布置更大容量的电池。电池包由各独立的分布式电池包子单元组成，根究不同的电动汽车能够提供的电池空间，通过不同方式组合电池包子单元构成异形的电动汽车电池包实现在对现有空间最大化的利用。与目前普遍使用的电动汽车电池包区别在于通过对独立分布式电池子单元的不同组合，电池子单元除了可以通过叠加的厚度、宽度、高度来改变电池包形状，还可以通过横放、竖放来增加多样性，以适应各种电动汽车，同时可以在一定的程度上简化整车设计。
显然，上述实施例仅仅是为清楚地说明所作的举例，而并非对实施方式 的限定。对于所属领域的普通技术人员来说，在上述说明的基础上还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而由此所引伸出的显而易见的变化或变动仍处于本发明创造的保护范围之中。

Claims (9)

  1. 一种电动汽车电池包，其特征在于，包括：
    电池包安装框，所述电池包安装框具有与电动汽车内部空间相适配的结构；
    多个电池单元，所述多个电池单元组合后固定在所述电池包安装框内；
    分布式电池控制器，所述分布式电池控制器设置在电池包安装框内部，与所述电池单元连接；
    连接接口，所述连接接口设置在电池包安装框的外侧面上，用于与电动汽车接电端口连接。
  2. 根据权利要求1所述的电动汽车电池包，其特征在于：
    所述电池单元为多个单体电池的组合或者是电池模块。
  3. 根据权利要求1或2所述的电动汽车电池包，其特征在于：
    所述电池单元可水平放置或竖直放置或以任意角度放置。
  4. 根据权利要求1或2或3所述的电动汽车电池包，其特征在于：
    所述电池包安装框的外侧面上设置有多个安装孔，用于将所述电池包安装框安装在电动汽车的车身地板下。
  5. 根据权利要求1所述的电动汽车电池包，其特征在于，还包括：
    散热装置，所述散热装置设置在电池包安装框的内侧面上，用于对所述多个电池单元进行冷却，所述散热装置为散热风扇或者散热片。
  6. 根据权利要求1所述的电动汽车电池包，其特征在于：
    所述电池单元固定在电池包安装框内，根据电动汽车空间布局，进行不同的行列组合。
  7. 根据权利要求6所述的电动汽车电池包，其特征在于：
    所述电池单元可拆卸地安装在电池包安装框内。
  8. 根据权利要求6或7所述的电动汽车电池包，其特征在于：
    所述分布式电池控制器为1个或多个。
  9. 根据权利要求1所述的电动汽车电池包，其特征在于：
    每个电池单元连接一个所述分布式电池控制器。
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