WO2020147271A1 - Modular battery - Google Patents

Modular battery Download PDF

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Publication number
WO2020147271A1
WO2020147271A1 PCT/CN2019/094939 CN2019094939W WO2020147271A1 WO 2020147271 A1 WO2020147271 A1 WO 2020147271A1 CN 2019094939 W CN2019094939 W CN 2019094939W WO 2020147271 A1 WO2020147271 A1 WO 2020147271A1
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WO
WIPO (PCT)
Prior art keywords
battery
side plate
modular
battery modules
adjacent
Prior art date
Application number
PCT/CN2019/094939
Other languages
French (fr)
Chinese (zh)
Inventor
申望屏
张华农
陈耀坤
伍伟东
Original Assignee
深圳市雄韬电源科技股份有限公司
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Publication of WO2020147271A1 publication Critical patent/WO2020147271A1/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
    • 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
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2220/00—Batteries for particular applications
    • H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Definitions

  • the invention belongs to the field of battery technology, and more specifically, relates to a modular battery.
  • electric forklifts have different installation dimensions of battery compartments, and there are many types of battery boxes that provide power; in addition, the voltage and current requirements of various types of forklifts are also different. At present, the corresponding battery box needs to be designed for each model of electric forklift, which greatly increases the design cost and production cost.
  • the purpose of the present invention is to provide a modular battery to solve the technical problem that each type of forklift needs to design a battery box due to the same size of the forklift battery compartment in the prior art, and the design cost and production cost are high.
  • the technical solution adopted by the present invention is to provide a modular battery including a battery compartment and a plurality of battery modules, the battery modules are fixed in the battery compartment, and each of the battery modules is fixed Connected and electrically connected; the battery module includes:
  • a box, one side of the box has an opening
  • the number of batteries is multiple, and they are arranged in the box in sequence;
  • the first copper bar is used to connect the electrodes of adjacent cells
  • the upper sheath, the top of each battery cell extends into the upper sheath
  • the lower sheath, the bottom of each battery core extends into the lower sheath.
  • the positive electrode of each battery cell is located on the same side of the battery cell module, and the negative electrode of each battery cell is located on the other side of the battery cell module;
  • the number of the first copper bars is two. One of the first copper bars is connected to the positive electrodes of each of the cells to form the total anode of the cell module, and the other of the first copper bars is connected to each of the cells.
  • the negative electrode of the battery module forms the total negative electrode of the cell module.
  • the positive and negative electrodes of each battery cell are arranged crosswise, and the positive and negative electrodes of every two adjacent battery cores are connected by a first copper bar.
  • the battery compartment includes a shell and a baffle fixed in the shell, and the baffle is provided on both sides of each battery module.
  • the battery compartment further includes a connecting bar fixedly connected to the baffle, the connecting bar includes a fixing part, two vertical connecting parts, and two stop parts, the fixing part is fixed to the On one side of the baffle, the two vertical connecting parts are respectively connected to both sides of the fixing part, the two stop parts are respectively connected to the two vertical connecting parts, and the two stop The blocking portions respectively abut against two adjacent battery modules.
  • the battery compartment is provided with at least two layers of the battery modules, a separator for supporting the battery modules is arranged between the two adjacent layers of the battery modules, and the battery modules in the same layer
  • the battery modules are electrically connected through a second copper bar, and the battery modules in adjacent layers are electrically connected through a third copper bar or a cable.
  • the box body includes a first side plate and a support frame that are detachably connected, and the support frame includes a bottom plate, a second side plate, a third side plate, and a fourth side plate.
  • the third side plate is parallel to each other, and the second side plate and the fourth side plate are parallel to each other.
  • the second side plate and the fourth side plate are provided with heat dissipation holes.
  • the upper sheath includes a plurality of upper sheath units arranged in sequence, and two adjacent upper sheath units are clamped to each other, and the lower sheath includes a plurality of lower sheath units arranged in sequence. The two adjacent lower sheath units are clamped to each other.
  • one side of the upper sheath unit is provided with a first dovetail structure
  • the other side of the upper sheath unit is provided with a second dovetail structure, adjacent to the first dovetail structure of the upper sheath unit
  • the dovetail structure is clamped to the second dovetail structure
  • one side of the lower sheath unit has a third dovetail structure
  • the other side of the lower sheath unit is provided with a fourth dovetail structure, adjacent to the lower sheath unit
  • the third dovetail structure and the fourth dovetail structure of the sheath unit are clamped.
  • the modular battery of the present invention includes a battery compartment and a plurality of battery modules.
  • the battery compartment can be designed according to the model of the electric forklift, and the battery module according to the battery compartment
  • the structure of the electric forklift is arranged in the battery compartment.
  • each battery module contains multiple battery cells, and the difference between the battery cells
  • the series-parallel method can form different voltages and currents to meet the voltage and current requirements of different types of forklifts; the modular battery is designed with battery modules to make it highly interchangeable and convenient for later maintenance.
  • Figure 1 is a structural diagram of a modular battery provided by an embodiment of the present invention.
  • Figure 2 is a partial structural diagram of a modular battery provided by an embodiment of the present invention.
  • Figure 3 is a structural diagram of a battery compartment provided by an embodiment of the present invention.
  • Figure 4 is a structural diagram of a connecting bar provided by an embodiment of the present invention.
  • FIG. 5 is a structural diagram of a battery module provided by an embodiment of the present invention.
  • Figure 6 is an exploded view of a box provided by an embodiment of the present invention.
  • Figure 7 is an assembly diagram of a battery cell, an upper sheath unit, and a lower sheath unit provided by an embodiment of the present invention
  • Figure 8 is a structural diagram of an upper sheath unit provided by an embodiment of the present invention.
  • Figure 9 is a structural diagram of a lower sheath unit provided by an embodiment of the present invention.
  • Figure 10 is a top view of a first battery module provided by an embodiment of the present invention.
  • Figure 11 is a top view of a second battery module provided by an embodiment of the present invention.
  • Figure 12 is a top view of a third battery module provided by an embodiment of the present invention.
  • Figure 13 is a top view of a fourth battery module provided by an embodiment of the present invention.
  • FIG. 14 is a top view of a fifth battery module provided by an embodiment of the present invention.
  • FIG. 15 is a top view of a sixth battery module provided by an embodiment of the present invention.
  • 1-battery compartment 11-housing; 12-partition; 13-baffle; 14-connecting strip; 141-fixing part; 142-vertical connecting part; 143-stop part; 2-battery module; 21- Box; 211-first side plate; 212-support frame; 2121-bottom plate; 2122-second side plate; 2123-third side plate; 2214-fourth side plate; 213-fastener; 22-cell 23-first copper bar; 24-upper sheath; 241-upper sheath unit; 2411-first dovetail structure; 2412-second dovetail structure; 25-lower sheath; 251-lower sheath unit; 2511- The third dovetail structure; 2512-the fourth dovetail structure.
  • first and second are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated.
  • the features defined as “first” and “second” may explicitly or implicitly include one or more of the features.
  • the meaning of “plurality” is two or more, unless otherwise specifically limited.
  • the modular battery is used in battery forklifts.
  • the modular battery includes a battery compartment 1 and a plurality of battery modules 2.
  • the plurality of battery modules 2 are fixed in the battery compartment 1, and the battery modules 2 in the battery compartment 1 are fixedly and electrically connected to each other.
  • Different electric forklifts have different shapes of the battery compartment 1.
  • the modular battery can be assembled according to the structure of the battery compartment 1. Specifically, a plurality of battery modules 2 are arranged according to the shape of the battery compartment 1 to form a shape similar to the battery compartment 1.
  • the battery module 2 includes a box 21, a battery core 22, a first copper bar 23, an upper sheath 24 and a lower sheath 25.
  • One side of the box body 21 has an opening, and the top of the battery core 22 is placed toward the opening to facilitate connection with the first copper bar 23.
  • the number of the battery cells 22 is multiple, and they are arranged in the box 21 in sequence.
  • the battery core 22 and the battery core 22 are electrically connected through the first copper bar 23, and the top of the battery core 22 extends into the upper sheath 24.
  • the bottom of the core 22 extends into the lower sheath 25.
  • the upper sheath 24 and the lower sheath 25 not only protect the battery core 22, but also connect multiple battery cores 22 into a whole to prevent the battery core 22 and the battery core 22 Detached between.
  • the number of battery cells 22 is not limited. Specifically, when installing a single battery module 2, first put the lower sheath 25 into the box 21, and then put the cells 22 one by one, and install the upper sheath 24 on the top of the cells 22, and finally A copper bar 23 is fixed on the battery core 22.
  • the modular battery provided by the present invention includes a battery compartment 1 and a plurality of battery modules 2.
  • the battery compartment 1 can be designed according to the model of the electric forklift, and the battery module 2 according to the battery compartment
  • the structure of 1 is arranged in the battery compartment 1.
  • Each battery module 2 contains multiple batteries 22,
  • the different series and parallel modes of the batteries 22 can form different voltages and currents to meet the voltage and current requirements of different types of forklifts; the modular battery is designed with battery module 2 to make it highly interchangeable It is also convenient for later maintenance.
  • the present invention provides various types of battery modules 2.
  • Each battery module 2 has a different voltage and current and is suitable for different types of electric forklifts.
  • the number of battery cells 22 is 12
  • the positive electrode of each battery cell 22 is located on the same side of the battery module 2a
  • the negative electrode of each battery cell 22 is located on the other side of the battery module 2a.
  • the number of the first copper bars 23a is two.
  • One of the first copper bars 23a connects all the anodes of the cells 22, and the other first copper bar 23a connects all the anodes of the cells 22 to form a string of 12 parallels.
  • the battery module 2a The total positive electrode and the total negative electrode of the battery module 2a are respectively located in two first copper bars 2a. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2a are 3.2V and 900Ah.
  • the number of battery cells 22 is 12, wherein the positive electrodes of the six battery cells 22 are located on the front side of the battery module 2b, and the negative electrodes of the six battery cells 22 are located on the battery module.
  • the positive electrodes of the other six battery cells 22 are located on the rear side of the battery module 2b, and the negative electrodes of the six battery cells 22 are located on the front side of the battery module 2b.
  • the number of the first copper bars 23b is three, the first first copper bar 23b is connected to the positive electrodes of the six cells 22 on the front side, and the second first copper bar 23b is connected to the negative electrodes of the six cells 22 on the front side.
  • the three first copper bars 23b are connected to the positive and negative electrodes of the 12 cells 22 on the rear side to form a battery module 2b in 2 series and 6 parallel.
  • the total positive electrode of the battery module 2b is located on the first first copper bar 23b, and the total negative electrode of the battery module 2b is located on the second first copper bar 23b.
  • the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2b are 6.4V and 450Ah.
  • the number of battery cores 22 is 12, divided into 3 battery core groups, each group has 4 battery cores 22, and the 4 battery cores 22 in the group are connected in parallel.
  • the adjacent battery cell groups are connected in series to form a battery module 2c with 3 strings and 4 parallels. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2c are 9.6V and 300Ah.
  • the number of battery cores 22 is 12, divided into 4 battery core groups, each group has 3 battery cores 22, and the 3 battery cores 22 in the group are connected in parallel. Adjacent battery cell groups are connected in series to form a battery module 2d with 4 series and 3 parallel. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2d are 12.8V and 225Ah.
  • the number of battery cells 22 is 12, which are divided into 6 battery cell groups, and the number of battery cells 22 in each group is 2, and the two battery cells 22 in the group are connected in parallel.
  • the adjacent battery cell groups are connected in series to form a battery module 2e with 6 strings and 2 parallels. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2e are 19.2V and 150Ah.
  • the number of battery cells 22 is 12, and adjacent battery cell groups are connected in series to form 12 battery modules 2f in series and 1 parallel.
  • the positive and negative electrodes of each core are arranged crosswise, and the positive and negative electrodes of every two adjacent battery cores 22 are connected by the first copper bar 23f.
  • the rated parameters of a single battery cell 22 are 3.2V and 75Ah
  • the rated parameters of the battery module 2f are 38.4V and 75Ah.
  • the battery compartment 1 includes a casing 11 and a baffle 13 fixed in the casing 11, and two sides of each battery module 2 All have a baffle 13.
  • the function of the baffle 13 is to fix the battery module 2 and prevent the battery module 2 from shaking left and right.
  • the baffle 13 has a frame shape, which is more convenient for heat dissipation of the battery module 2.
  • the battery compartment 1 further includes a connecting bar 14 fixedly connected to the baffle 13, and the connecting bar 14 includes a fixing portion 141 and two vertical A straight connecting portion 142 and two stopping portions 143, the fixing portion 141 is fixed to one side of the baffle 13, the two vertical connecting portions 142 are respectively connected to both sides of the fixing portion 141, and the two stopping portions 143 are respectively connected At the two vertical connection portions 142 and the two stop portions 143 respectively abut against two adjacent battery modules 2.
  • the cross section of the connecting bar 14 is concave, and the concave part extends into the gap between the two battery modules 2.
  • the fixing part 141 is provided with a connecting hole, and screws, bolts and other fasteners are used to pass through the connecting hole to fix it on the block.
  • the two stop portions 143 respectively press two adjacent battery modules 2 to fix the battery modules 2. More specifically, the fixing portion 141 and the stopping portion 143 are arranged parallel to each other.
  • FIG. 2 and 3 as a specific implementation of the modular battery provided by the present invention, at least two layers of the battery modules 2 are provided in the battery compartment 1, and two adjacent layers of battery modules 2 are provided There is a separator 12 for supporting the battery module 2, and the battery modules 2 in the same layer are electrically connected through a second copper bar, and the battery modules 2 in adjacent layers are electrically connected through a third copper bar or cable.
  • the partition 12 is fixedly connected to the housing 11. The partition 12 is used to separate the two layers of battery modules 2 and provide installation space for the upper layer of battery modules 2.
  • a plurality of baffles 13 are fixed on the baffle 12, the battery modules 2 of the second layer are all fixed between the baffles 13, and the baffle 12 provides an installation position for the baffles 13 of the second layer. More specifically, in the battery modules 2 of the same layer, adjacent battery modules 2 are electrically connected by the second copper bar.
  • the battery module 2 of this layer is shown in Figure 10, which is a battery module of 1 series and 12 parallel, in which the total positive electrode of one battery module and the total negative electrode of the other battery module pass through the second
  • the copper bars are electrically connected, and the two battery modules can be electrically connected through multiple second copper bars, which has a shunting effect and prevents overcurrent.
  • a layer of battery modules 2 may also be provided in the battery compartment 1.
  • the battery module 2 can form a modular battery with irregular shapes such as U-shaped, convex-shaped, concave-shaped, etc.
  • the box body 21 includes a first side plate 211 and a support frame 212 that are detachably connected.
  • the support frame 212 includes a bottom plate 2121 and a second The side plates 2122, the third side plate 2123 and the fourth side plate 2124, the first side plate 211 and the third side plate 2123 are parallel to each other, and the second side plate 2122 and the fourth side plate 2124 are parallel to each other.
  • the first side plate 211 and the support frame 212 can be detachably connected by a fastener 213, and this arrangement facilitates the installation of the battery core 22.
  • the battery module 2 When installing the battery module 2, first install the lower sheath 25 in the support frame 212, and then put the cells 22 into the lower sheath 25 in sequence.
  • the cells 22 can be installed from the first side plate 211 After the battery core 22 is installed, the upper sheath 24 is installed on the top of the battery core 22, and then the first side plate 211 is installed on the support frame 212 by the fastener 213 to form There is a box 21 with an opening. The top end of the cell 22 protrudes from the opening.
  • the second side plate 2122 and the fourth side plate 2124 are provided with heat dissipation holes.
  • the second side plate 2122 is greater than the length of the first side plate 211, and the cells 22 are arranged in sequence along the length direction of the second side plate 2122.
  • the arrangement of the heat dissipation holes can enhance the heat dissipation performance of the battery module 2.
  • the upper sheath 24 includes a plurality of upper sheath units 241 arranged in sequence, and two adjacent upper sheath units 241 are locked to each other
  • the lower sheath 25 includes a plurality of lower sheath units 251 arranged in sequence, and two adjacent lower sheath units 251 are clamped to each other.
  • a plurality of upper sheath units 241 are clamped with each other to form an upper sheath 24, and a plurality of lower sheath units 251 are clamped with each other to form a lower sheath 25, so that the upper sheath 24 and the lower sheath 25 are respectively integrated.
  • the upper sheath 24 and the lower sheath 25 not only have a protective effect on the battery core 22, but also can make the multiple battery cores 22 form a whole and play the role of fixing the battery core 22.
  • one side of the upper sheath unit 241 is provided with a first dovetail structure 2411, and the other side of the upper sheath unit 241 is provided There is a second dovetail structure 2412, the first dovetail structure 2411 and the second dovetail structure 2412 adjacent to the upper sheath unit 241 are clamped; one side of the lower sheath unit 251 has a third dovetail structure 2511, and the lower sheath unit 251 A fourth dovetail structure 2512 is provided on the other side of the lower sheath unit 251, and the third dovetail structure 2511 and the fourth dovetail structure 2512 adjacent to the lower sheath unit 251 are clamped.
  • the first dovetail structure 2411 and the second dovetail structure 2412 are arranged symmetrically, and the third dovetail structure 2511 and the fourth dovetail structure 2512 are arranged symmetrically. More specifically, the first dovetail structure 2411, the second dovetail structure 2412, the first dovetail structure 2411, and the second dovetail structure 2412 are all alternately combined with dovetails and dovetail grooves.
  • the surface of the upper sheath unit 241 also has positive and negative signs of the battery core 22 to facilitate identification of the positive and negative electrodes when the first copper bar 23 is connected.

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

The present invention provides a modular battery, comprising a battery compartment and a plurality of battery modules, the battery modules being fixed in the battery compartment, and the battery modules being fixedly and electrically connected. Each of the battery modules comprises: a box body, one side of the box body being provided with an opening; a plurality of cells sequentially arranged in the box body; a first copper bar for connecting electrodes of adjacent cells; an upper sheath, a top portion of each cell extending into the upper sheath; and a lower sheath, a bottom portion of each cell extending into the lower sheath. In the modular battery provided by the present invention, the battery modules are arranged in the battery compartment according to the structure of the battery compartment, so that when the model of an electric forklift truck changes, it only needs to select the number of battery modules according to the structure of the battery compartment; in addition, different voltages and currents can be formed by means of different serial/parallel connections between batteries, so as to satisfy the requirements of different models of forklift trucks on voltages and currents.

Description

模块化电池Modular battery 技术领域Technical field
本发明属于电池技术领域，更具体地说，是涉及一种模块化电池。The invention belongs to the field of battery technology, and more specifically, relates to a modular battery.
背景技术Background technique
面对当今国内乃至全球日益严格的尾气排放标准及未来的能源危机，各大汽车厂商都在研发低排放的新能源技术，以适应这一发展趋势，其中纯电动汽车是目前各大车企大力研发的领域之一。Facing the increasingly stringent exhaust emission standards in China and even the world and the energy crisis in the future, major auto manufacturers are developing low-emission new energy technologies to adapt to this development trend. Among them, pure electric vehicles are currently the major auto companies. One of the areas of research and development.
电动叉车作为一款特种设备，其电池仓安装尺寸各不相同，提供动力的电池箱尺寸种类诸多；另外各种型号叉车电压、电流的要求也各不相同。目前，针对每种型号的电动叉车需要设计对应的电池箱，大大增加了设计成本和生产成本。As a special type of equipment, electric forklifts have different installation dimensions of battery compartments, and there are many types of battery boxes that provide power; in addition, the voltage and current requirements of various types of forklifts are also different. At present, the corresponding battery box needs to be designed for each model of electric forklift, which greatly increases the design cost and production cost.
发明内容Summary of the invention
本发明的目的在于提供一种模块化电池，以解决现有技术中存在的叉车电池仓尺寸各部相同导致的每种型号的叉车都需要设计电池箱，设计成本和生产成本较高的技术问题。The purpose of the present invention is to provide a modular battery to solve the technical problem that each type of forklift needs to design a battery box due to the same size of the forklift battery compartment in the prior art, and the design cost and production cost are high.
为实现上述目的，本发明采用的技术方案是：提供一种模块化电池，包括电池仓和多个电池模组，所述电池模组固定于所述电池仓内，各个所述电池模组固定连接且电连接；所述电池模组包括：To achieve the above objective, the technical solution adopted by the present invention is to provide a modular battery including a battery compartment and a plurality of battery modules, the battery modules are fixed in the battery compartment, and each of the battery modules is fixed Connected and electrically connected; the battery module includes:
箱体，所述箱体的一侧具有开口；A box, one side of the box has an opening;
电芯，数量为多个，且依次排列于所述箱体内；The number of batteries is multiple, and they are arranged in the box in sequence;
第一铜排，用于连接相邻电芯的电极；The first copper bar is used to connect the electrodes of adjacent cells;
上护套，各个所述电芯的顶部均伸入所述上护套中；The upper sheath, the top of each battery cell extends into the upper sheath;
下护套，各个所述电芯的底部均伸入所述下护套中。The lower sheath, the bottom of each battery core extends into the lower sheath.
进一步地，在同一所述电芯模组中，各个所述电芯的正极位于所述电芯模组的同一侧，各个所述电芯的负极位于所述电芯模组的另一侧；第一铜排的数量为两个，其中一个所述第一铜排连接各个所述电芯的正极形成该电芯模组的总正极，另一个所述第一铜排连接各个所述电芯的负极形成该电芯模组的总负极。Further, in the same battery cell module, the positive electrode of each battery cell is located on the same side of the battery cell module, and the negative electrode of each battery cell is located on the other side of the battery cell module; The number of the first copper bars is two. One of the first copper bars is connected to the positive electrodes of each of the cells to form the total anode of the cell module, and the other of the first copper bars is connected to each of the cells. The negative electrode of the battery module forms the total negative electrode of the cell module.
进一步地，在同一所述电芯模组中，各个所述电芯的正负极交叉排列，每相邻两个所述电芯的正负极通过第一铜排连接。Further, in the same battery cell module, the positive and negative electrodes of each battery cell are arranged crosswise, and the positive and negative electrodes of every two adjacent battery cores are connected by a first copper bar.
进一步地，所述电池仓包括外壳、以及固定于所述外壳内的挡板，每个所述电池模组的两侧均设有所述挡板。Further, the battery compartment includes a shell and a baffle fixed in the shell, and the baffle is provided on both sides of each battery module.
进一步地，所述电池仓还包括固定连接于所述挡板的连接条，所述连接条包括固定部、两个竖直连接部、以及两个止挡部，所述固定部固定于所述挡板的一侧，两个所述竖直连接部分别连接于所述固定部的两侧，两个所述止挡部分别连接于两个所述竖直连接部，且两个所述止挡部分别抵接于相邻两个所述电池模组。Further, the battery compartment further includes a connecting bar fixedly connected to the baffle, the connecting bar includes a fixing part, two vertical connecting parts, and two stop parts, the fixing part is fixed to the On one side of the baffle, the two vertical connecting parts are respectively connected to both sides of the fixing part, the two stop parts are respectively connected to the two vertical connecting parts, and the two stop The blocking portions respectively abut against two adjacent battery modules.
进一步地，所述电池仓内至少设有两层所述电池模组，相邻两层所述电池模组之间设置有用于支撑所述电池模组的隔板，且同一层中的所述电池模组通过第二铜排电连接，相邻层的所述电池模组通过第三铜排或者线缆电连接。Further, the battery compartment is provided with at least two layers of the battery modules, a separator for supporting the battery modules is arranged between the two adjacent layers of the battery modules, and the battery modules in the same layer The battery modules are electrically connected through a second copper bar, and the battery modules in adjacent layers are electrically connected through a third copper bar or a cable.
进一步地，所述箱体包括可拆卸连接的第一侧板和支撑架，所述支撑架包括底板、第二侧板、第三侧板和第四侧板，所述第一侧板和所述第三侧板相互平行，所述第二侧板和所述第四侧板相互平行。Further, the box body includes a first side plate and a support frame that are detachably connected, and the support frame includes a bottom plate, a second side plate, a third side plate, and a fourth side plate. The third side plate is parallel to each other, and the second side plate and the fourth side plate are parallel to each other.
进一步地，所述第二侧板和所述第四侧板上开设有散热孔。Further, the second side plate and the fourth side plate are provided with heat dissipation holes.
进一步地，所述上护套包括多个依次排列的上护套单元，相邻两个所述上护套单元相互卡接，所述下护套包括多个依次排列的下护套单元，相邻两个所述下护套单元相互卡接。Further, the upper sheath includes a plurality of upper sheath units arranged in sequence, and two adjacent upper sheath units are clamped to each other, and the lower sheath includes a plurality of lower sheath units arranged in sequence. The two adjacent lower sheath units are clamped to each other.
进一步地，所述上护套单元的其中一侧设有第一燕尾结构，所述上护套单元的另一侧设有第二燕尾结构，相邻所述上护套单元的所述第一燕尾结构和所述第二燕尾结构卡接；所述下护套单元的其中一侧具有第三燕尾结构，所述下护套单元的另一侧设有第四燕尾结构，相邻所述下护套单元的所述第三燕尾结构和所述第四燕尾结构卡接。Further, one side of the upper sheath unit is provided with a first dovetail structure, and the other side of the upper sheath unit is provided with a second dovetail structure, adjacent to the first dovetail structure of the upper sheath unit The dovetail structure is clamped to the second dovetail structure; one side of the lower sheath unit has a third dovetail structure, and the other side of the lower sheath unit is provided with a fourth dovetail structure, adjacent to the lower sheath unit The third dovetail structure and the fourth dovetail structure of the sheath unit are clamped.
本发明提供的模块化电池的有益效果在于：与现有技术相比，本发明模块化电池包括电池仓和多个电池模组，电池仓可根据电动叉车的型号设计，电池模组根据电池仓的结构排列于电池仓中，当电动叉车型号变化时，只需要根据电池仓的结构选用电池模组的数量即可；每个电池模组均包含多个电芯，通过电芯之间不同的串并联方式，可形成不同的电压和电流，以满足不同型号叉车对电压、电流的需求；该模块化电池通过设计电池模组，使其具有较强的互换性，也便于后期的维修。The beneficial effect of the modular battery provided by the present invention is that: compared with the prior art, the modular battery of the present invention includes a battery compartment and a plurality of battery modules. The battery compartment can be designed according to the model of the electric forklift, and the battery module according to the battery compartment The structure of the electric forklift is arranged in the battery compartment. When the electric forklift model changes, only the number of battery modules needs to be selected according to the structure of the battery compartment; each battery module contains multiple battery cells, and the difference between the battery cells The series-parallel method can form different voltages and currents to meet the voltage and current requirements of different types of forklifts; the modular battery is designed with battery modules to make it highly interchangeable and convenient for later maintenance.
附图说明BRIEF DESCRIPTION
为了更清楚地说明本发明实施例中的技术方案，下面将对实施例或现有技术描述中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动性的前提下，还可以根据这些附图获得其他的附图。In order to more clearly explain the technical solutions in the embodiments of the present invention, the following will briefly introduce the drawings needed in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only of the present invention. For some embodiments, for those of ordinary skill in the art, other drawings may be obtained based on these drawings without creative labor.
图1为本发明实施例提供的模块化电池的结构图；Figure 1 is a structural diagram of a modular battery provided by an embodiment of the present invention;
图2为本发明实施例提供的模块化电池的部分结构图；Figure 2 is a partial structural diagram of a modular battery provided by an embodiment of the present invention;
图3为本发明实施例提供的电池仓的结构图；Figure 3 is a structural diagram of a battery compartment provided by an embodiment of the present invention;
图4为本发明实施例提供的连接条的结构图；Figure 4 is a structural diagram of a connecting bar provided by an embodiment of the present invention;
图5为本发明实施例提供的电池模组的结构图；5 is a structural diagram of a battery module provided by an embodiment of the present invention;
图6为本发明实施例提供的箱体的***图；Figure 6 is an exploded view of a box provided by an embodiment of the present invention;
图7为本发明实施例提供的电芯、上护套单元、下护套单元的装配图；Figure 7 is an assembly diagram of a battery cell, an upper sheath unit, and a lower sheath unit provided by an embodiment of the present invention;
图8为本发明实施例提供的上护套单元的结构图；Figure 8 is a structural diagram of an upper sheath unit provided by an embodiment of the present invention;
图9为本发明实施例提供的下护套单元的结构图；Figure 9 is a structural diagram of a lower sheath unit provided by an embodiment of the present invention;
图10为本发明实施例提供的第一种电池模组的俯视图；Figure 10 is a top view of a first battery module provided by an embodiment of the present invention;
图11为本发明实施例提供的第二种电池模组的俯视图；Figure 11 is a top view of a second battery module provided by an embodiment of the present invention;
图12为本发明实施例提供的第三种电池模组的俯视图；Figure 12 is a top view of a third battery module provided by an embodiment of the present invention;
图13为本发明实施例提供的第四种电池模组的俯视图Figure 13 is a top view of a fourth battery module provided by an embodiment of the present invention
图14为本发明实施例提供的第五种电池模组的俯视图；14 is a top view of a fifth battery module provided by an embodiment of the present invention;
图15为本发明实施例提供的第六种电池模组的俯视图。FIG. 15 is a top view of a sixth battery module provided by an embodiment of the present invention.
其中，图中各附图标记：Among them, the reference signs in the figure:
1-电池仓；11-外壳；12-隔板；13-挡板；14-连接条；141-固定部；142-竖直连接部；143-止挡部；2-电池模组；21-箱体；211-第一侧板；212-支撑架；2121-底板；2122-第二侧板；2123-第三侧板；2124-第四侧板；213-紧固件；22-电芯；23-第一铜排；24-上护套；241-上护套单元；2411-第一燕尾结构；2412-第二燕尾结构；25-下护套；251-下护套单元；2511-第三燕尾结构；2512-第四燕尾结构。1-battery compartment; 11-housing; 12-partition; 13-baffle; 14-connecting strip; 141-fixing part; 142-vertical connecting part; 143-stop part; 2-battery module; 21- Box; 211-first side plate; 212-support frame; 2121-bottom plate; 2122-second side plate; 2123-third side plate; 2214-fourth side plate; 213-fastener; 22-cell 23-first copper bar; 24-upper sheath; 241-upper sheath unit; 2411-first dovetail structure; 2412-second dovetail structure; 25-lower sheath; 251-lower sheath unit; 2511- The third dovetail structure; 2512-the fourth dovetail structure.
具体实施方式detailed description
为了使本发明所要解决的技术问题、技术方案及有益效果更加清楚明白，以下结合附图及实施例，对本发明进行进一步详细说明。应当理解，此处所描述的具体实施例仅仅用以解释本发明，并不用于限定本发明。In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the following further describes the present invention in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.
需要说明的是，当元件被称为“固定于”或“设置于”另一个元件，它可以直接在另一个元件上或者间接在该另一个元件上。当一个元件被称为是“连接于”另一个元件，它可以是直接连接到另一个元件或间接连接至该另一个元件上。It should be noted that when an element is referred to as being “fixed” or “disposed on” another element, it can be directly on the other element or indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.
需要理解的是，术语“长度”、“宽度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本 发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。It should be understood that the terms "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top" The orientation or positional relationship indicated by "bottom", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the pointed device Or the element must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention.
此外，术语“第一”、“第二”仅用于描述目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量。由此，限定有“第一”、“第二”的特征可以明示或者隐含地包括一个或者更多个该特征。在本发明的描述中，“多个”的含义是两个或两个以上，除非另有明确具体的限定。In addition, the terms "first" and "second" are used for description purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, the meaning of "plurality" is two or more, unless otherwise specifically limited.
请一并参阅图1至图9，现对本发明提供的模块化电池进行说明。该模块化电池，用于电池叉车中。模块化电池包括电池仓1和多个电池模组2，多个电池模组2均固定于电池仓1内，电池仓1内的各个电池模组2相互之间固定连接且电连接。不同的电动叉车，其电池仓1的形状也各不相同。该模块化电池可根据电池仓1的结构组合而成，具体地，多个电池模组2根据电池仓1的形状排列形成与电池仓1相类似的形状。如此，无需针对每种电池叉车设计电池，选择合适数量的电池模组2连接并排列成与电池仓1相近的结构即可。而且通过多个电池模组2组成的电池，便于后期检修和更换，可单独更换坏掉的电池模组2，大大降低了维修的成本。电池模组2包括箱体21、电芯22、第一铜排23、上护套24和下护套25。箱体21的一侧具有开口，电芯22的顶部朝向该开口放置，便于连接第一铜排23。电芯22的数量为多个，且依次排列于箱体21中，电芯22与电芯22之间通过第一铜排23电连接，电芯22的顶部伸入上护套24中，电芯22的底部伸入下护套25中，上护套24和下护套25不仅对电芯22有保护作用，还将多个电芯22连接成为一个整体，防止电芯22和电芯22之间脱离。每个电芯22模组中，电芯22的数量不作限定。具体地，在安装单个电池模组2时，先将下护套25放入箱体21内，再逐个放入电芯22，并将上护套24安装于电芯22的顶部，最后将第一铜排23固定于电芯22上。Please refer to FIGS. 1 to 9 together. Now, the modular battery provided by the present invention will be described. The modular battery is used in battery forklifts. The modular battery includes a battery compartment 1 and a plurality of battery modules 2. The plurality of battery modules 2 are fixed in the battery compartment 1, and the battery modules 2 in the battery compartment 1 are fixedly and electrically connected to each other. Different electric forklifts have different shapes of the battery compartment 1. The modular battery can be assembled according to the structure of the battery compartment 1. Specifically, a plurality of battery modules 2 are arranged according to the shape of the battery compartment 1 to form a shape similar to the battery compartment 1. In this way, there is no need to design batteries for each battery forklift, and a suitable number of battery modules 2 are connected and arranged in a structure similar to the battery compartment 1. Moreover, the battery composed of multiple battery modules 2 is convenient for later maintenance and replacement, and the damaged battery module 2 can be replaced separately, which greatly reduces the maintenance cost. The battery module 2 includes a box 21, a battery core 22, a first copper bar 23, an upper sheath 24 and a lower sheath 25. One side of the box body 21 has an opening, and the top of the battery core 22 is placed toward the opening to facilitate connection with the first copper bar 23. The number of the battery cells 22 is multiple, and they are arranged in the box 21 in sequence. The battery core 22 and the battery core 22 are electrically connected through the first copper bar 23, and the top of the battery core 22 extends into the upper sheath 24. The bottom of the core 22 extends into the lower sheath 25. The upper sheath 24 and the lower sheath 25 not only protect the battery core 22, but also connect multiple battery cores 22 into a whole to prevent the battery core 22 and the battery core 22 Detached between. In each battery cell 22 module, the number of battery cells 22 is not limited. Specifically, when installing a single battery module 2, first put the lower sheath 25 into the box 21, and then put the cells 22 one by one, and install the upper sheath 24 on the top of the cells 22, and finally A copper bar 23 is fixed on the battery core 22.
本发明提供的模块化电池，与现有技术相比，本发明模块化电池包括电池仓1和多个电池模组2，电池仓1可根据电动叉车的型号设计，电池模组2根据电池仓1的结构排列于电池仓1中，当电动叉车型号变化时，只需要根据电 池仓1的结构选用电池模组2的数量即可；每个电池模组2均包含多个电芯22，通过电芯22之间不同的串并联方式，可形成不同的电压和电流，以满足不同型号叉车对电压、电流的需求；该模块化电池通过设计电池模组2，使其具有较强的互换性，也便于后期的维修。Compared with the prior art, the modular battery provided by the present invention includes a battery compartment 1 and a plurality of battery modules 2. The battery compartment 1 can be designed according to the model of the electric forklift, and the battery module 2 according to the battery compartment The structure of 1 is arranged in the battery compartment 1. When the electric forklift model changes, only the number of battery modules 2 needs to be selected according to the structure of the battery compartment 1. Each battery module 2 contains multiple batteries 22, The different series and parallel modes of the batteries 22 can form different voltages and currents to meet the voltage and current requirements of different types of forklifts; the modular battery is designed with battery module 2 to make it highly interchangeable It is also convenient for later maintenance.
请一并参阅图10至图15，本发明提供了多种形式的电池模组2，每种电池模组2具有不同的电压和电流，适用于不同类型的电动叉车。Please refer to FIGS. 10-15 together. The present invention provides various types of battery modules 2. Each battery module 2 has a different voltage and current and is suitable for different types of electric forklifts.
请参阅图10，在该实施例中，电芯22的数量为12个，各个电芯22的正极位于该电池模组2a的同一侧，各个电芯22的负极位于该电池模组2a的另一侧。第一铜排23a的数量为两个，其中一个第一铜排23a将各个电芯22的正极全部连接，另一个第一铜排23a将各个电芯22的负极全部连接，形成1串12并的电池模组2a。该电池模组2a的总正极和总负极分别为位于两个第一铜排2a。假设单个电芯22的额定参数为3.2V、75Ah，该电池模组2a的额定参数为3.2V、900Ah。10, in this embodiment, the number of battery cells 22 is 12, the positive electrode of each battery cell 22 is located on the same side of the battery module 2a, and the negative electrode of each battery cell 22 is located on the other side of the battery module 2a. One side. The number of the first copper bars 23a is two. One of the first copper bars 23a connects all the anodes of the cells 22, and the other first copper bar 23a connects all the anodes of the cells 22 to form a string of 12 parallels. The battery module 2a. The total positive electrode and the total negative electrode of the battery module 2a are respectively located in two first copper bars 2a. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2a are 3.2V and 900Ah.
请参阅图11，在该实施例中，电芯22的数量为12个，其中六个电芯22的正极位于该电池模组2b的前侧，这六个电芯22的负极位于该电池模组2b的后侧，另外六个电芯22的正极位于该电池模组2b的后侧，这六个电芯22的负极位于该电池模组2b的前侧。第一铜排23b的数量为三个，第一个第一铜排23b连接前侧六个电芯22的正极，第二个第一铜排23b连接前侧六个电芯22的负极，第三个第一铜排23b连接后侧12个电芯22的正极和负极，形成2串6并的电池模组2b。该电池模组2b的总正极位于第一个第一铜排23b，该电池模组2b的总负极位于第二个第一铜排23b。假设单个电芯22的额定参数为3.2V、75Ah，该电池模组2b的额定参数为6.4V、450Ah。Referring to FIG. 11, in this embodiment, the number of battery cells 22 is 12, wherein the positive electrodes of the six battery cells 22 are located on the front side of the battery module 2b, and the negative electrodes of the six battery cells 22 are located on the battery module. On the rear side of the group 2b, the positive electrodes of the other six battery cells 22 are located on the rear side of the battery module 2b, and the negative electrodes of the six battery cells 22 are located on the front side of the battery module 2b. The number of the first copper bars 23b is three, the first first copper bar 23b is connected to the positive electrodes of the six cells 22 on the front side, and the second first copper bar 23b is connected to the negative electrodes of the six cells 22 on the front side. The three first copper bars 23b are connected to the positive and negative electrodes of the 12 cells 22 on the rear side to form a battery module 2b in 2 series and 6 parallel. The total positive electrode of the battery module 2b is located on the first first copper bar 23b, and the total negative electrode of the battery module 2b is located on the second first copper bar 23b. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2b are 6.4V and 450Ah.
请参阅图12，在该实施例中，电芯22的数量为12个，分为3个电芯组，每组电芯22的数量为4个，组内的4个电芯22并联连接，相邻电芯组串联连接，形成3串4并的电池模组2c。假设单个电芯22的额定参数为3.2V、75Ah，该电池模组2c的额定参数为9.6V、300Ah。Referring to FIG. 12, in this embodiment, the number of battery cores 22 is 12, divided into 3 battery core groups, each group has 4 battery cores 22, and the 4 battery cores 22 in the group are connected in parallel. The adjacent battery cell groups are connected in series to form a battery module 2c with 3 strings and 4 parallels. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2c are 9.6V and 300Ah.
请参阅图13，在该实施例中，电芯22的数量为12个，分为4个电芯组，每组电芯22的数量为3个，组内的3个电芯22并联连接，相邻电芯组串联连接，形成4串3并的电池模组2d。假设单个电芯22的额定参数为3.2V、75Ah，该电池模组2d的额定参数为12.8V、225Ah。Please refer to FIG. 13, in this embodiment, the number of battery cores 22 is 12, divided into 4 battery core groups, each group has 3 battery cores 22, and the 3 battery cores 22 in the group are connected in parallel. Adjacent battery cell groups are connected in series to form a battery module 2d with 4 series and 3 parallel. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2d are 12.8V and 225Ah.
请参阅图14，在该实施例中，电芯22的数量为12个，分为6个电芯组，每组电芯22的数量为2个，组内的2个电芯22并联连接，相邻电芯组串联连接，形成6串2并的电池模组2e。假设单个电芯22的额定参数为3.2V、75Ah，该电池模组2e的额定参数为19.2V、150Ah。Please refer to FIG. 14. In this embodiment, the number of battery cells 22 is 12, which are divided into 6 battery cell groups, and the number of battery cells 22 in each group is 2, and the two battery cells 22 in the group are connected in parallel. The adjacent battery cell groups are connected in series to form a battery module 2e with 6 strings and 2 parallels. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2e are 19.2V and 150Ah.
请参阅图15，在该实施例中，电芯22的数量为12个，相邻电芯组串联连接，形成12串1并的电池模组2f。各个所芯的正负极交叉排列，每相邻两个电芯22的正负极通过第一铜排23f连接。假设单个电芯22的额定参数为3.2V、75Ah，该电池模组2f的额定参数为38.4V、75Ah。Please refer to FIG. 15. In this embodiment, the number of battery cells 22 is 12, and adjacent battery cell groups are connected in series to form 12 battery modules 2f in series and 1 parallel. The positive and negative electrodes of each core are arranged crosswise, and the positive and negative electrodes of every two adjacent battery cores 22 are connected by the first copper bar 23f. Assuming that the rated parameters of a single battery cell 22 are 3.2V and 75Ah, the rated parameters of the battery module 2f are 38.4V and 75Ah.
请参阅图2及图3，作为本发明提供的模块化电池的一种具体实施方式，电池仓1包括外壳11、以及固定于外壳11内的挡板13，每个电池模组2的两侧均设有挡板13。挡板13的作用在于固定电池模组2，防止电池模组2左右晃动。挡板13呈框架状，更便于电池模组2的散热。2 and 3, as a specific embodiment of the modular battery provided by the present invention, the battery compartment 1 includes a casing 11 and a baffle 13 fixed in the casing 11, and two sides of each battery module 2 All have a baffle 13. The function of the baffle 13 is to fix the battery module 2 and prevent the battery module 2 from shaking left and right. The baffle 13 has a frame shape, which is more convenient for heat dissipation of the battery module 2.
请参阅图3及图4，作为本发明提供的模块化电池的一种具体实施方式，电池仓1还包括固定连接于挡板13的连接条14，连接条14包括固定部141、两个竖直连接部142、以及两个止挡部143，固定部141固定于挡板13的一侧，两个竖直连接部142分别连接于固定部141的两侧，两个止挡部143分别连接于两个竖直连接部142，且两个止挡部143分别抵接于相邻两个电池模组2。连接条14的横截面呈凹陷状，凹陷部分伸入两个电池模组2的缝隙中，固定部141上开设有连接孔，使用螺钉、螺栓等紧固件穿过连接孔将其固定于挡板13上，从而使两个止挡部143分别压紧两个相邻的电池模组2，从而使电池模组2固定。更具体地，固定部141、止挡部143相互平行设置。3 and 4, as a specific embodiment of the modular battery provided by the present invention, the battery compartment 1 further includes a connecting bar 14 fixedly connected to the baffle 13, and the connecting bar 14 includes a fixing portion 141 and two vertical A straight connecting portion 142 and two stopping portions 143, the fixing portion 141 is fixed to one side of the baffle 13, the two vertical connecting portions 142 are respectively connected to both sides of the fixing portion 141, and the two stopping portions 143 are respectively connected At the two vertical connection portions 142 and the two stop portions 143 respectively abut against two adjacent battery modules 2. The cross section of the connecting bar 14 is concave, and the concave part extends into the gap between the two battery modules 2. The fixing part 141 is provided with a connecting hole, and screws, bolts and other fasteners are used to pass through the connecting hole to fix it on the block. On the board 13, the two stop portions 143 respectively press two adjacent battery modules 2 to fix the battery modules 2. More specifically, the fixing portion 141 and the stopping portion 143 are arranged parallel to each other.
请参阅图2及图3，作为本发明提供的模块化电池的一种具体实施方式， 电池仓1内至少设有两层所述电池模组2，相邻两层电池模组2之间设置有用于支撑电池模组2的隔板12，且同一层中的电池模组2通过第二铜排电连接，相邻层的电池模组2通过第三铜排或者线缆电连接。隔板12与外壳11固定连接。隔板12用于分离两层电池模组2，并为上一层电池模组2提供安装空间。具体地，隔板12上固定有多个挡板13，第二层的电池模组2均固定于挡板13之间，隔板12为第二层的挡板13提供了安装位置。更具体地，在同一层电池模组2中，相邻电池模组2通过第二铜排电连接。在其中一个实施例中，该层电池模组2如图10中所示，为1串12并的电池模组，其中一个电池模组的总正极和另一个电池模组的总负极通过第二铜排电连接，两个电池模组可通过多个第二铜排电连接，具有分流效果，防止产生过流。Please refer to Figures 2 and 3, as a specific implementation of the modular battery provided by the present invention, at least two layers of the battery modules 2 are provided in the battery compartment 1, and two adjacent layers of battery modules 2 are provided There is a separator 12 for supporting the battery module 2, and the battery modules 2 in the same layer are electrically connected through a second copper bar, and the battery modules 2 in adjacent layers are electrically connected through a third copper bar or cable. The partition 12 is fixedly connected to the housing 11. The partition 12 is used to separate the two layers of battery modules 2 and provide installation space for the upper layer of battery modules 2. Specifically, a plurality of baffles 13 are fixed on the baffle 12, the battery modules 2 of the second layer are all fixed between the baffles 13, and the baffle 12 provides an installation position for the baffles 13 of the second layer. More specifically, in the battery modules 2 of the same layer, adjacent battery modules 2 are electrically connected by the second copper bar. In one of the embodiments, the battery module 2 of this layer is shown in Figure 10, which is a battery module of 1 series and 12 parallel, in which the total positive electrode of one battery module and the total negative electrode of the other battery module pass through the second The copper bars are electrically connected, and the two battery modules can be electrically connected through multiple second copper bars, which has a shunting effect and prevents overcurrent.
在其他实施例中，电池仓1内也可设置一层电池模组2。In other embodiments, a layer of battery modules 2 may also be provided in the battery compartment 1.
在其他实施例中，电池模组2可组成形成U形、凸字形、凹字形等不规则形状的模块化电池。In other embodiments, the battery module 2 can form a modular battery with irregular shapes such as U-shaped, convex-shaped, concave-shaped, etc.
请参阅图5及图6，作为本发明提供的模块化电池的一种具体实施方式，箱体21包括可拆卸连接的第一侧板211和支撑架212，支撑架212包括底板2121、第二侧板2122、第三侧板2123和第四侧板2124，第一侧板211和第三侧板2123相互平行，第二侧板2122和第四侧板2124相互平行。第一侧板211和支撑架212可通过紧固件213可拆卸连接，如此设置便于电芯22的安装。在安装电池模组2时，首先将下护套25安装于支撑架212内，然后将电芯22依次放入下护套25中，电芯22在安装时，可从第一侧板211对应的位置进入支撑架212中，电芯22安装完成后，再将上护套24安装至电芯22的顶端，然后再通过紧固件213将第一侧板211装置至支撑架212上，形成具有一个开口的箱体21。电芯22的顶端从开口中伸出。Referring to Figures 5 and 6, as a specific implementation of the modular battery provided by the present invention, the box body 21 includes a first side plate 211 and a support frame 212 that are detachably connected. The support frame 212 includes a bottom plate 2121 and a second The side plates 2122, the third side plate 2123 and the fourth side plate 2124, the first side plate 211 and the third side plate 2123 are parallel to each other, and the second side plate 2122 and the fourth side plate 2124 are parallel to each other. The first side plate 211 and the support frame 212 can be detachably connected by a fastener 213, and this arrangement facilitates the installation of the battery core 22. When installing the battery module 2, first install the lower sheath 25 in the support frame 212, and then put the cells 22 into the lower sheath 25 in sequence. The cells 22 can be installed from the first side plate 211 After the battery core 22 is installed, the upper sheath 24 is installed on the top of the battery core 22, and then the first side plate 211 is installed on the support frame 212 by the fastener 213 to form There is a box 21 with an opening. The top end of the cell 22 protrudes from the opening.
请参阅图5及图6，作为本发明提供的模块化电池的一种具体实施方式，第二侧板2122和第四侧板2124上开设有散热孔。第二侧板2122大于第一侧板211的长度，电芯22沿第二侧板2122的长度方向依次排列。散热孔的设置可 增强电池模组2的散热性能。Referring to FIG. 5 and FIG. 6, as a specific implementation of the modular battery provided by the present invention, the second side plate 2122 and the fourth side plate 2124 are provided with heat dissipation holes. The second side plate 2122 is greater than the length of the first side plate 211, and the cells 22 are arranged in sequence along the length direction of the second side plate 2122. The arrangement of the heat dissipation holes can enhance the heat dissipation performance of the battery module 2.
请参阅图5至图9，作为本发明提供的模块化电池的一种具体实施方式，上护套24包括多个依次排列的上护套单元241，相邻两个上护套单元241相互卡接，下护套25包括多个依次排列的下护套单元251，相邻两个下护套单元251相互卡接。多个上护套单元241相互卡接形成上护套24，多个下护套单元251相互卡接形成下护套25，如此，使上护套24、下护套25分别成为一个整体。上护套24、下护套25不仅对电芯22有保护作用，还能使多个电芯22形成一个整体，起到固定电芯22的作用。5-9, as a specific embodiment of the modular battery provided by the present invention, the upper sheath 24 includes a plurality of upper sheath units 241 arranged in sequence, and two adjacent upper sheath units 241 are locked to each other Next, the lower sheath 25 includes a plurality of lower sheath units 251 arranged in sequence, and two adjacent lower sheath units 251 are clamped to each other. A plurality of upper sheath units 241 are clamped with each other to form an upper sheath 24, and a plurality of lower sheath units 251 are clamped with each other to form a lower sheath 25, so that the upper sheath 24 and the lower sheath 25 are respectively integrated. The upper sheath 24 and the lower sheath 25 not only have a protective effect on the battery core 22, but also can make the multiple battery cores 22 form a whole and play the role of fixing the battery core 22.
请参阅图8及图9，作为本发明提供的模块化电池的一种具体实施方式，上护套单元241的其中一侧设有第一燕尾结构2411，上护套单元241的另一侧设有第二燕尾结构2412，相邻上护套单元241的第一燕尾结构2411和第二燕尾结构2412卡接；下护套单元251的其中一侧具有第三燕尾结构2511，下护套单元251的另一侧设有第四燕尾结构2512，相邻所述下护套单元251的第三燕尾结构2511和所述第四燕尾结构2512卡接。其中，第一燕尾结构2411和第二燕尾结构2412呈中心对称设置，第三燕尾结构2511和第四燕尾结构2512呈中心对称设置。更具体地，第一燕尾结构2411、第二燕尾结构2412、第一燕尾结构2411、第二燕尾结构2412均由燕尾和燕尾槽交替组合而成。上护套单元241的表面还具有电芯22正极、负极标志，便于在连接第一铜排23时识别正负极。8 and 9, as a specific implementation of the modular battery provided by the present invention, one side of the upper sheath unit 241 is provided with a first dovetail structure 2411, and the other side of the upper sheath unit 241 is provided There is a second dovetail structure 2412, the first dovetail structure 2411 and the second dovetail structure 2412 adjacent to the upper sheath unit 241 are clamped; one side of the lower sheath unit 251 has a third dovetail structure 2511, and the lower sheath unit 251 A fourth dovetail structure 2512 is provided on the other side of the lower sheath unit 251, and the third dovetail structure 2511 and the fourth dovetail structure 2512 adjacent to the lower sheath unit 251 are clamped. Among them, the first dovetail structure 2411 and the second dovetail structure 2412 are arranged symmetrically, and the third dovetail structure 2511 and the fourth dovetail structure 2512 are arranged symmetrically. More specifically, the first dovetail structure 2411, the second dovetail structure 2412, the first dovetail structure 2411, and the second dovetail structure 2412 are all alternately combined with dovetails and dovetail grooves. The surface of the upper sheath unit 241 also has positive and negative signs of the battery core 22 to facilitate identification of the positive and negative electrodes when the first copper bar 23 is connected.
以上所述仅为本发明的较佳实施例而已，并不用以限制本发明，凡在本发明的精神和原则之内所作的任何修改、等同替换和改进等，均应包含在本发明的保护范围之内。The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modification, equivalent replacement and improvement made within the spirit and principle of the present invention should be included in the protection of the present invention Within range.

Claims (10)

  1. 模块化电池，其特征在于，包括电池仓和多个电池模组，所述电池模组固定于所述电池仓内，各个所述电池模组固定连接且电连接；所述电池模组包括：The modular battery is characterized by comprising a battery compartment and a plurality of battery modules, the battery modules are fixed in the battery compartment, and each of the battery modules is fixedly connected and electrically connected; the battery module includes:
    箱体，所述箱体的一侧具有开口；A box, one side of the box has an opening;
    电芯，数量为多个，且依次排列于所述箱体内；The number of batteries is multiple, and they are arranged in the box in sequence;
    第一铜排，用于连接相邻电芯的电极；The first copper bar is used to connect the electrodes of adjacent cells;
    上护套，各个所述电芯的顶部均伸入所述上护套中；The upper sheath, the top of each battery cell extends into the upper sheath;
    下护套，各个所述电芯的底部均伸入所述下护套中。The lower sheath, the bottom of each battery core extends into the lower sheath.
  2. 如权利要求1所述的模块化电池，其特征在于：在同一所述电芯模组中，各个所述电芯的正极位于所述电芯模组的同一侧，各个所述电芯的负极位于所述电芯模组的另一侧；第一铜排的数量为两个，其中一个所述第一铜排连接各个所述电芯的正极形成该电芯模组的总正极，另一个所述第一铜排连接各个所述电芯的负极形成该电芯模组的总负极。The modular battery according to claim 1, wherein in the same battery cell module, the positive electrode of each battery cell is located on the same side of the battery cell module, and the negative electrode of each battery cell Located on the other side of the battery cell module; the number of first copper bars is two, one of the first copper bars is connected to the positive electrode of each battery cell to form the total positive electrode of the battery cell module, and the other The first copper bar is connected to the negative electrode of each battery to form the total negative electrode of the battery module.
  3. 如权利要求1所述的模块化电池，其特征在于：在同一所述电芯模组中，各个所述电芯的正负极交叉排列，每相邻两个所述电芯的正负极通过第一铜排连接。The modular battery according to claim 1, wherein in the same battery cell module, the positive and negative poles of each of the battery cells are arranged crosswise, and the positive and negative poles of every two adjacent battery cores Connect through the first copper bar.
  4. 如权利要求1所述的模块化电池，其特征在于：所述电池仓包括外壳、以及固定于所述外壳内的挡板，每个所述电池模组的两侧均设有所述挡板。The modular battery according to claim 1, wherein the battery compartment comprises a shell and a baffle fixed in the shell, and the baffles are provided on both sides of each battery module .
  5. 如权利要求4所述的模块化电池，其特征在于：所述电池仓还包括固定连接于所述挡板的连接条，所述连接条包括固定部、两个竖直连接部、以及两个止挡部，所述固定部固定于所述挡板的一侧，两个所述竖直连接部分别连接于所述固定部的两侧，两个所述止挡部分别连接于两个所述竖直连接部，且两个所述止挡部分别抵接于相邻两个所述电池模组。The modular battery according to claim 4, wherein the battery compartment further comprises a connecting strip fixedly connected to the baffle, the connecting strip comprising a fixing part, two vertical connecting parts, and two The stop part, the fixed part is fixed to one side of the baffle, the two vertical connecting parts are respectively connected to both sides of the fixed part, and the two stop parts are respectively connected to two The vertical connection part, and the two stop parts respectively abut against two adjacent battery modules.
  6. 如权利要求1所述的模块化电池，其特征在于：所述电池仓内至少设有两层所述电池模组，相邻两层所述电池模组之间设置有用于支撑所述电池模组 的隔板，且同一层中的所述电池模组通过第二铜排电连接，相邻层的所述电池模组通过第三铜排或者线缆电连接。The modular battery of claim 1, wherein at least two layers of the battery modules are provided in the battery compartment, and the battery modules are provided between two adjacent layers of the battery modules to support the battery modules. The battery modules in the same layer are electrically connected by a second copper bar, and the battery modules in adjacent layers are electrically connected by a third copper bar or a cable.
  7. 如权利要求1所述的模块化电池，其特征在于：所述箱体包括可拆卸连接的第一侧板和支撑架，所述支撑架包括底板、第二侧板、第三侧板和第四侧板，所述第一侧板和所述第三侧板相互平行，所述第二侧板和所述第四侧板相互平行。The modular battery according to claim 1, wherein the box body includes a first side plate and a support frame that are detachably connected, and the support frame includes a bottom plate, a second side plate, a third side plate, and a first side plate. Four side plates, the first side plate and the third side plate are parallel to each other, and the second side plate and the fourth side plate are parallel to each other.
  8. 如权利要求7所述的模块化电池，其特征在于：所述第二侧板和所述第四侧板上开设有散热孔。8. The modular battery of claim 7, wherein the second side plate and the fourth side plate are provided with heat dissipation holes.
  9. 如权利要求1所述的模块化电池，其特征在于：所述上护套包括多个依次排列的上护套单元，相邻两个所述上护套单元相互卡接，所述下护套包括多个依次排列的下护套单元，相邻两个所述下护套单元相互卡接。The modular battery according to claim 1, wherein the upper sheath comprises a plurality of upper sheath units arranged in sequence, two adjacent upper sheath units are clamped with each other, and the lower sheath It comprises a plurality of lower sheath units arranged in sequence, and two adjacent lower sheath units are clamped to each other.
  10. 如权利要求9所述的模块化电池，其特征在于：所述上护套单元的其中一侧设有第一燕尾结构，所述上护套单元的另一侧设有第二燕尾结构，相邻所述上护套单元的所述第一燕尾结构和所述第二燕尾结构卡接；所述下护套单元的其中一侧具有第三燕尾结构，所述下护套单元的另一侧设有第四燕尾结构，相邻所述下护套单元的所述第三燕尾结构和所述第四燕尾结构卡接。The modular battery according to claim 9, wherein one side of the upper sheath unit is provided with a first dovetail structure, and the other side of the upper sheath unit is provided with a second dovetail structure. The first dovetail structure and the second dovetail structure adjacent to the upper sheath unit are clamped; one side of the lower sheath unit has a third dovetail structure, and the other side of the lower sheath unit A fourth dovetail structure is provided, and the third dovetail structure and the fourth dovetail structure adjacent to the lower sheath unit are clamped.
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