WO2021227102A1 - 一种储能系统的壳体结构及其框架式组合储能系统 - Google Patents

一种储能系统的壳体结构及其框架式组合储能系统 Download PDF

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Publication number
WO2021227102A1
WO2021227102A1 PCT/CN2020/091209 CN2020091209W WO2021227102A1 WO 2021227102 A1 WO2021227102 A1 WO 2021227102A1 CN 2020091209 W CN2020091209 W CN 2020091209W WO 2021227102 A1 WO2021227102 A1 WO 2021227102A1
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Prior art keywords
box
energy storage
storage system
battery
shell structure
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PCT/CN2020/091209
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English (en)
French (fr)
Inventor
尤江
吴修菊
冯志强
秦峰
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天合光能股份有限公司
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Priority to JP2022600156U priority Critical patent/JP3244070U/ja
Publication of WO2021227102A1 publication Critical patent/WO2021227102A1/zh

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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K7/00—Constructional details common to different types of electric apparatus
    • H05K7/14—Mounting supporting structure in casing or on frame or rack
    • 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 energy storage systems, and in particular relates to a shell structure of an energy storage system and a frame type combined energy storage system.
  • the energy storage system is a system that can complete the storage of electric energy and power supply.
  • the rapid charging and discharging capabilities of the energy storage system are conducive to improving the efficiency of the development and utilization of new energy.
  • the frame of the traditional energy storage system mainly uses the overall sheet metal frame structure to integrate the battery and the control electrical system into a box.
  • Some existing technologies use lightweight metal materials, such as aluminum plates or aluminum profiles, instead of traditional steel plates. .
  • the framework of some energy storage systems makes the product a modular combined product. Due to the need for stacking and combination, the overall structural strength of the combined product structure is not as high as the overall structural strength. In some earthquake-prone countries and regions, the local standards require that: When an earthquake occurs, the product can be guaranteed to have a certain strength when it is dumped and the building is pressed on the product, so as to prevent the internal battery from being damaged, resulting in explosion and fire. danger.
  • the current energy storage system framework adopts the traditional method.
  • the present invention provides a shell structure of an energy storage system, which is easy to install and can enhance the structural strength of the energy storage system, thereby forming a frame-type combined energy storage system with a stable structure.
  • a frame type combined energy storage system using the frame structure is also provided.
  • a shell structure of an energy storage system comprising more than two boxes (1).
  • the box (1) includes a box cover (11) and a box body (12).
  • the box body (12) is formed to accommodate
  • the space (100) for each component of the energy storage system is characterized in that the box (1) is provided with a through beam (13) along the horizontal direction, and a vertical support structure ( 14).
  • the vertical support structure (14) is a vertical beam (15) arranged on the outer side of each box (1), or a side plate (16) arranged on the common outer surface of a plurality of boxes (1) .
  • the box body (1) has a rectangular parallelepiped shape as a whole, the box cover (11) is located on the top or side of the box body (1), and the beams (13) are paired along the length of the box body (1).
  • the ground is arranged on the bottom surface of the box (1) close to the two long sides; the vertical beams (15) are arranged in pairs on both sides of the box (1), and the vertical beams (15) are connected to the cross beams (13) The end.
  • the side plate (15) is a hollow plate formed by bending a metal plate, and the side plate (16) is connected to the end of the beam (13).
  • a base (2) is provided at the bottom of the shell structure, and the base (2) is connected with the vertical support structure (14).
  • the base (2) is a beam structure or a hollow plate structure.
  • a frame type combined energy storage system using the above-mentioned shell structure.
  • Electrical components are installed in a single box body 1 to form a battery box, a control box, and/or electrical components. Boxes, and/or junction boxes, battery boxes, and between battery boxes and control boxes, and/or electrical boxes, and/or junction boxes are electrically connected to form a frame-type combined energy storage system.
  • the electrical components are installed on the beam (13), and the space (100) formed in the box body (12) is larger than the space occupied by the electrical components.
  • the topmost box forms a control and inverter integrated box for installing electronic control components and inverters; one or more boxes form a battery box for installing batteries; the battery boxes are electrically connected, so The battery box is electrically connected to the integrated control and inverter box.
  • the topmost box forms a control box for installing electronic control components; one or more boxes form a battery box for installing batteries; the battery boxes are electrically connected, and the battery box and the control box are electrically connected. Between the electrical connection.
  • the shell structure of the energy storage system of the present invention forms a cross beam and a vertical beam structure on each box, and side plates are arranged on the common side of multiple boxes, which together form an overall frame structure, which is an important part of the energy storage system.
  • Components such as batteries, circuit boards, wiring harnesses, etc., are arranged on the beam.
  • the frame type combined energy storage system of the present invention has the functions of stable structure, compression resistance and earthquake resistance, and is especially suitable for installation and use in earthquake-prone areas.
  • Figure 1 is an exploded view of embodiment 1 of the present invention
  • Example 2 is a schematic diagram of the structure of the inside of the box in Example 1 of the present invention.
  • Figure 3 is a schematic diagram of the assembly of Embodiment 2 of the present invention.
  • Figure 4 is a schematic diagram of the box body of the second embodiment of the present invention.
  • Figure 5 is an exploded view of the final assembly of Embodiment 3 of the present invention.
  • 1 is the box body
  • 11 is the box cover
  • 12 is the box body
  • 13 is the beam
  • 14 is the vertical support structure
  • 15 is the vertical beam
  • 16 is the side plate
  • 2 is the base
  • 100 is the space
  • 101 is the electrical component.
  • the shell structure of the energy storage system of the present invention is used to form a shell for protecting the internal components of the energy storage system. It includes more than two boxes 1, and the box 1 includes a box cover 11 and the box body 12, the box cover 11 is located on the top of the box body 1. Of course, the box cover 11 can also be opened on any side.
  • a space 100 capable of accommodating various components of the energy storage system is formed in the box body 12.
  • the box body 1 has a rectangular parallelepiped shape as a whole. Of course, other shapes, such as a square shape, can also be designed according to specific usage requirements.
  • the box body 1 is provided with a through beam 13 along the length direction of the box body.
  • the beams 13 are arranged in pairs on the bottom surface of the box body 1 near the two long sides; a plurality of boxes 1 are stacked in the same direction; A side plate 16 is provided on the common outer side of the box.
  • a quick side plate 16 is provided on the common outer side of both sides of the multiple boxes.
  • the side plate 16 is used as a vertical support structure to support the box in the vertical direction.
  • the side plate 16 is a hollow plate formed by bending a metal plate. In addition to a supporting function, it can also be used as a space for accommodating electrical connection lines, and play a role of storage, making the appearance of the energy storage system more concise.
  • the side plate 16 is connected to the ends of the two beams 13, and the connection method can be bolt thread, bolt connection, or interference connection, or welding, to form a firm connection.
  • the cross beam 13 and the side plate 16 together form a strong frame structure that can protect the box 1 so as to protect the components in the box 1.
  • This embodiment may further include a base 2 arranged at the bottom of the shell structure, the base 2 is connected to the side plate 16, and the base 2 may be a beam structure or a hollow plate structure.
  • the difference between the shell structure of the energy storage system of this embodiment and the first embodiment is that the vertical beam 15 is used as the vertical support structure 14.
  • vertical beams 15 are provided on the two outer sides of the box 1, and the vertical beams 15 are arranged in pairs on the two sides along the vertical direction, and a pair is provided on each side; the vertical beams 15 are connected to the cross beam 13
  • the two ends can be connected by screw thread, bolt connection, interference connection, or welding to form a firm connection.
  • the shell structure of the energy storage system of this embodiment is a combination of Embodiment 1 and Embodiment 2.
  • a vertical beam 15 and a side plate 16 are used as the vertical support structure 14.
  • vertical beams 15 are provided on the two outer side surfaces of the box body 1, and the vertical beams 15 are arranged in pairs on the two side surfaces along the vertical direction, and a pair is provided on each side surface.
  • a side plate 16 is provided on the common outer side surface of the multiple boxes.
  • one side plate 16 is provided on the common outer side surface of both sides of the multiple boxes.
  • the vertical beam 15 and the side plate 16 are both connected to the end of the cross beam 13.
  • the present invention also provides a frame type combined energy storage system using the shell structure described in any one of the embodiments 1-3.
  • the electrical component 101 is installed in a single box 1 to form a battery box and a control box. And/or, the electrical box, and/or, the junction box, the battery box, and the battery box and the control box, and/or, the electrical box, and/or, the electrical connection between the junction box, thereby forming a frame type combination Energy storage system.
  • Each electrical component is installed on the beam 13 of the box body 1, and the space 100 formed in the box body 12 is larger than the space occupied by the electrical components.
  • the top box can be formed into a control and inverter integrated box for installing electronic control components and inverters, such as: PCS for energy storage; more than one box can form a battery box.
  • the battery is installed; the battery box and the battery box are electrically connected, and the battery box and the control and inverter integrated box are electrically connected to form a frame-type combined energy storage system.
  • the top box can also be formed as a control box for installing electronic control components, such as: BMS master control; more than one box can form a battery box for installing storage batteries; The battery boxes are electrically connected, and the battery box and the control box are electrically connected, so as to form a frame type combined energy storage system.
  • electronic control components such as: BMS master control
  • more than one box can form a battery box for installing storage batteries
  • the battery boxes are electrically connected, and the battery box and the control box are electrically connected, so as to form a frame type combined energy storage system.
  • electrical component boxes with different functions can be formed respectively, such as battery box, BMS box, inverter PCS box, junction box, etc., and then combined to form different functional requirements Energy storage system.

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Battery Mounting, Suspending (AREA)

Abstract

一种储能系统的壳体结构，包括两个以上的箱体(1)，所述箱体(1)包括箱盖(11)和箱本体(12)，箱本体(12)内形成可容纳储能系统各部件的空间(100)，其特征在于：所述箱体(1)内沿水平方向设置有贯穿的横梁(13)，在箱体(1)的外侧面设置有垂直支撑结构(14)。一种框架式组合储能系统，可有效地保护内部的储能系统部件，具有结构稳定，抗压防震的功能，尤其适用于地震多发地区的安装和使用。

Description

一种储能系统的壳体结构及其框架式组合储能系统 技术领域
本发明属于储能系统领域，具体涉及一种储能系统的壳体结构及其框架式组合储能系统。
背景技术
储能系统是一个可完成存储电能和供电的系统，通过储能系统快速充放电能力，有利于提高对新能源的开发利用效率。
传统储能系统的框架主要是使用整体的钣金框体结构将电池和控制电气系统整合在一个箱体中，一些现有技术使用轻量的金属材料，例如铝板或者铝型材，代替传统的钢板。还有一些储能系统的框架为了方便产品的安装，将产品做成的模块化的组合式产品。由于需要进行堆叠组合，组合式的产品结构在总体结构强度上没有整体式的结构强度高。在一些地震多发国家和地区的产品，当地的标准要求：地震发生时，产品在倾倒以及建筑物压在产品上时，都能够保证一定的强度，从而避免内部的蓄电池被破坏，从而发生爆炸起火的危险。而目前的储能系统框架采用传统的方式，由于使用的电量要求，整体式结构都会导致产品重量过重，人力无法安装，需要使用叉车，从而导致了为普通用户安装产品时，安装复杂，费用高昂；而模块化的组合式安装方式结构强度达不到要求。
发明内容
为了解决上述问题，本发明提供了一种储能系统的壳体结构，便于安装且能够增强储能系统结构强度，从而可以形成结构稳定的框架式组合储能系统。本发明的另一方面，还提供一种使用了所述框架结构的框架式组合储能系统。
为此，本发明采用如下技术方案：
一种储能系统的壳体结构，包括两个以上的箱体(1)，所述箱体(1)包括箱盖(11)和箱本体(12)，箱本体(12)内形成可容纳储能系统各部件的空间(100)，其特征在于：所述箱体(1)内沿水平方向设置有贯穿的横梁(13)，在箱体(1)的外侧面设置有垂直支撑结构(14)。
进一步地，垂直支撑结构(14)为设置在各箱体(1)的外侧面的垂直梁 (15)，或，设置于多个箱体(1)的共同外侧面上的侧板(16)。
进一步地，所述箱体(1)整体上呈长方体形，所述箱盖(11)位于箱体(1)的顶部或侧面，所述横梁(13)沿箱体(1)长度方向成对地设置于箱体(1)的底面靠近两长边处；所述垂直梁(15)成对地设置于箱体(1)的两侧面，垂直梁(15)连接在所述横梁(13)的末端。
进一步地，所述侧板(15)为金属板弯折形成的中空板，侧板(16)连接在所述横梁(13)的末端。
进一步地，在壳体结构的底部设置有一底座(2)，底座(2)与所述垂直支撑结构(14)连接。
进一步地，所述底座(2)为梁结构或者中空板结构。
本发明的另一方面，还提供一种使用了上述壳体结构的框架式组合储能系统，单个所述箱体1内安装有电气元件，从而形成电池箱，控制箱，和/或，电气箱，和/或，接线箱，电池箱之间，以及，电池箱与控制箱，和/或，电气箱，和/或，接线箱之间电连接，从而形成框架式组合储能系统。
进一步地，所述电气元件安装在所述横梁(13)上，且箱本体(12)内形成的空间(100)大于电气部件所占据的空间。
进一步地，最顶部的箱体形成控制逆变一体箱，用于安装电控元件及逆变器；一个以上的箱体形成电池箱，用于安装蓄电池；所述电池箱之间电连接，所述电池箱与控制逆变一体箱之间电连接。
进一步地，最顶部的箱体形成控制箱，用于安装电控元件；一个以上的箱体形成电池箱，用于安装蓄电池；所述电池箱之间电连接，所述电池箱与控制箱之间电连接。
与现有技术相比，本发明的有益效果主要体现在：
本发明的储能系统的壳体结构，通过在每个箱体上形成横梁和垂直梁结构，并在多个箱体的共同侧面设置侧板，共同构成了整体框架结构，储能系统的重要部件，如蓄电池、电路板、线束等，设置在横梁上。这样，即便在发生倒塌的情况下，储能系统遭受重物压垮，重物的作用力将落在纵横连接的框架结构上，而不会压到储能系统的重要部件本身，同时也不会压到强度较弱的外箱壁，从而可以有效地保护内部的储能系统部件。本发明的框架式组合储能系 统，具有结构稳定，抗压防震的功能，尤其适用于地震多发地区的安装和使用。
本发明的其它优点、目标和特征将部分通过下面的说明体现，部分还将通过对本发明的研究和实践而为本领域的技术人员所理解。
附图概述
图1是本发明实施例1的爆炸图；
图2是本发明实施例1箱体内部的结构示意图；
图3是本发明实施例2的总装示意图；
图4是本发明实施例2的箱体示意图；
图5是本发明实施例3的总装爆炸图；
其中，1为箱体，11为箱盖，12为箱本体，13为横梁，14为垂直支撑结构，15为垂直梁，16为侧板，2为底座，100为空间，101为电气元件。
本发明的较佳实施方式
下面结合附图和具体实施方式对本发明做进一步详细的说明。
实施例1：
如图1-2所示，本发明的储能系统的壳体结构，用以形成保护储能系统内部元器件的壳体，包括两个以上的箱体1，所述箱体1包括箱盖11和箱本体12，所述箱盖11位于箱体1的顶部，当然，箱盖11也可以开设在任一个侧面上。箱本体12内形成可容纳储能系统各部件的空间100。在本实施例中，箱体1整体上呈长方体形，当然，也可根据具体使用要求，设计其他的形状，如方形。在箱体1内沿箱体长度方向设置有贯穿的横梁13，横梁13成对地设置于箱体1的底面靠近两长边处；多个箱体1同向地堆叠；在多个箱体的共同外侧面，设置有侧板16，在本实施例中，在多个箱体的两侧的共同外侧面，均设置有一个快侧板16。侧板16作为垂直支撑结构，对箱体在垂直方向上起到支撑作用。侧板16为金属板弯折形成的中空板，除了支撑作用以外，还可以作为容纳电气连接线的空间，起到收纳的作用，使储能系统外观上更加简洁。
侧板16连接在两横梁13的末端，连接方式可以为螺栓螺纹、螺栓连接，或者过盈连接，也可以是焊接，形成牢固的连接方式。
在本实施例中，横梁13以及侧板16，共同形成可保护箱体1的牢固的框架结构，从而可以保护箱体1内的元器件。
本实施例还可以进一步包括一个底座2，底座2设置在本壳体结构的底部，底座2与侧板16连接，底座2可以为梁结构或者中空板结构。底座2与前述横梁13以及侧板16一起，共同形成可保护箱体1的牢固的框架结构，从而可以保护箱体1内的元器件。
实施例2：
如图3，图4所示，本实施例的储能系统的壳体结构，与实施例1的不同之处在于，采用垂直梁15作为垂直支撑结构14。具体地，在箱体1的两外侧面设置垂直梁15，所述垂直梁15沿垂直方向成对地设置在两个侧面上，每个侧面上设置一对；垂直梁15连接在横梁13的两末端，连接的方式可以是螺纹、螺栓连接，或者过盈连接，也可以是焊接，形成牢固的连接方式。
实施例3：
如图5所示，本实施例的储能系统的壳体结构，是实施例1与实施例2的结合。同时采用了垂直梁15和侧板16作为垂直支撑结构14。具体地，在箱体1的两外侧面设置垂直梁15，所述垂直梁15沿垂直方向成对地设置在两个侧面上，每个侧面上设置一对。在多个箱体的共同外侧面，设置有侧板16，在本实施例中，在多个箱体的两侧的共同外侧面，均设置有一个侧板16。此时，垂直梁15和侧板16均连接在横梁13的末端。
实施例4：
本发明还提供一种使用了实施例1-3任一所述的壳体结构的框架式组合储能系统，单个所述箱体1内安装有电气元件101，从而形成电池箱，控制箱，和/或，电气箱，和/或，接线箱，电池箱之间，以及，电池箱与控制箱，和/或，电气箱，和/或，接线箱之间电连接，从而形成框架式组合储能系统。
各个电气元件安装在所述箱体1的横梁13上，且箱本体12内形成的空间100大于电气部件所占据的空间。
作为一种具体的实施方式，可以将最顶部的箱体形成控制逆变一体箱，用于安装电控元件及逆变器，如：储能用PCS；一个以上的箱体形成电池箱，用于安装蓄电池；所述电池箱与电池箱之间电连接，以及，所述电池箱与控制逆变一体箱之间电连接，以此形成一个框架式组合储能系统。
作为一种具体的实施方式，也可以将最顶部的箱体形成控制箱，用于安装 电控元件，如：BMS主控；一个以上的箱体形成电池箱，用于安装蓄电池；电池箱与电池箱之间电连接，以及，电池箱与控制箱之间电连接，以此形成一个框架式组合储能系统。
本发明中，根据箱体1内安装的不同电器元件，可分别形成不同功能的电器元件箱，如电池箱，BMS箱，逆变器PCS箱，接线箱等，再经过组合形成具有不同功能要求的储能系统。

Claims (10)

  1. 一种储能系统的壳体结构，包括两个以上的箱体(1)，所述箱体(1)包括箱盖(11)和箱本体(12)，箱本体(12)内形成可容纳储能系统各部件的空间(100)，其特征在于：所述箱体(1)内沿水平方向设置有贯穿的横梁(13)，在箱体(1)的外侧面设置有垂直支撑结构(14)。
  2. 根据权利要求1所述的储能系统的壳体结构，其特征在于：垂直支撑结构(14)为设置在各箱体(1)的外侧面的垂直梁(15)，和/或，设置于多个箱体(1)的共同外侧面上的侧板(16)。
  3. 根据权利要求2所述的储能系统的壳体结构，其特征在于：所述箱体(1)整体上呈长方体形，所述箱盖(11)位于箱体(1)的顶部或侧面，所述横梁(13)沿箱体(1)长度方向成对地设置于箱体(1)的底面靠近两长边处；所述垂直梁(15)成对地设置于箱体(1)的两侧面，垂直梁(15)连接在所述横梁(13)的末端。
  4. 根据权利要求2所述的储能系统的壳体结构，其特征在于：所述侧板(16)为金属板弯折形成的中空板，侧板(16)连接在所述横梁(13)的末端。
  5. 根据权利要求1所述的储能系统的壳体结构，其特征在于：在壳体结构的底部设置有一底座(2)，底座(2)与所述垂直支撑结构(14)连接。
  6. 根据权利要求1所述的储能系统的壳体结构，其特征在于：所述底座(2)为梁结构或者中空板结构。
  7. 一种使用了权利要求1-6任一所述壳体结构的框架式组合储能系统，其特征在于：单个所述箱体(1)内安装有电气元件(101)，从而形成电池箱，控制箱，和/或，电气箱，和/或，接线箱，电池箱之间，以及，电池箱与控制箱，和/或，电气箱，和/或，接线箱之间电连接，从而形成框架式组合储能系统。
  8. 根据权利要求7所述的框架式组合储能系统，其特征在于：所述电气元件安装在所述横梁(13)上，且箱本体(12)内形成的空间(100)大于电气部件所占据的空间。
  9. 根据权利要求7所述的框架式组合储能系统，其特征在于：最顶部的箱体形成控制逆变一体箱，用于安装电控元件及逆变器；一个以上的箱体形成 电池箱，用于安装蓄电池；所述电池箱之间电连接，所述电池箱与控制逆变一体箱之间电连接。
  10. 根据权利要求7所述的框架式组合储能系统，其特征在于：最顶部的箱体形成控制箱，用于安装电控元件；一个以上的箱体形成电池箱，用于安装蓄电池；所述电池箱之间电连接，所述电池箱与控制箱之间电连接。
PCT/CN2020/091209 2020-05-09 2020-05-20 一种储能系统的壳体结构及其框架式组合储能系统 WO2021227102A1 (zh)

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