Anti-collision tray frame beam structure of power battery energy storage system and production method thereof

A technology of energy storage system and power battery, which is applied in the direction of structural parts, battery pack parts, circuits, etc. It can solve the problems of frame beam intrusion, easy direct crush deformation at the corner of the bottom, easy deformation and excessive deformation, etc., to reduce structural rigidity , reduce the crushing peak load, and reduce the effect of internal damage

Active Publication Date: 2021-04-02
上海捷新动力电池系统有限公司
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Problems solved by technology

The vehicle collision structure is simulated by the CAE simulation software LS-DYNA, and the side column collision modeling and simulation results of the power battery energy storage module 5' using the tray frame beam structure are shown in image 3 and Figure 4 , it is found that the main body 2' o

Method used

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  • Anti-collision tray frame beam structure of power battery energy storage system and production method thereof
  • Anti-collision tray frame beam structure of power battery energy storage system and production method thereof
  • Anti-collision tray frame beam structure of power battery energy storage system and production method thereof

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[0065] The specific embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings, so that those skilled in the art can more clearly understand how to practice the present invention. While the invention has been described in connection with preferred specific embodiments thereof, these embodiments are illustrative only and are not intended to limit the scope of the invention.

[0066] see Figure 5 , an anti-collision tray frame beam structure for a power battery energy storage system, comprising a frame beam main body 1 , a bottom beam 2 , and lifting lugs 3 .

[0067] The frame beam main body 1 is the main part of the pallet frame beam structure. During the driving process of the new energy vehicle, external excitations such as all road surfaces are transmitted to the frame beam main body 1 through the vehicle frame and the pallet installation point, and then transmitted to the power source. The battery energy storage s...

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Abstract

The invention discloses an anti-collision tray frame beam structure of a power battery energy storage system. The structure comprises a frame beam body, a bottom beam and lifting lugs, wherein the frame beam main body comprises an inner vertical face, an outer vertical face, a cavity and a Y-shaped reinforcing rib, the bottom beam is connected to the bottom of the inner vertical face of the framebeam main body, and the lifting lug is connected to the outer vertical face of the frame beam main body and comprises a cavity, an upper surface, a lower surface, an induction groove and a reinforcingconcave ring; polyurethane foam is injected into each medium-sized energy absorption box, a bottom corner inclined support is arranged at the joint of the upper surface of the bottom beam and the inner vertical face of the frame beam body, and a composite inclined support is arranged in a cavity of the lifting lug. The invention further provides a production method of the tray frame beam structure. On the premise that structural durability of the tray is guaranteed, structural rigidity of a local area is reduced, it is guaranteed that deformation of the tray in the collision process is controllable, and collision kinetic energy is absorbed and consumed to the maximum extent.

Description

technical field [0001] The invention belongs to the technical field of new energy vehicles, and in particular relates to an anti-collision tray frame beam structure of a power battery energy storage system and a production method thereof. Background technique [0002] There are three hot issues in the process of automobile design: safety issues, environmental protection issues and energy-saving issues. With the country's promotion of environmental protection and emission reduction and the increasing popularity of new energy electric vehicles, the proportion of new energy vehicles in traffic accidents has also increased. At the same time, the heart of the new energy vehicle - the power battery energy storage system, with the continuous increase of the mileage of the vehicle, the energy of the module is also increasing. As a result, the collision avoidance safety problem of power battery energy storage system has become more and more prominent. When a new energy vehicle coll...

Claims

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Application Information

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IPC IPC(8): H01M50/238H01M50/242H01M50/244H01M50/249
CPCY02E60/10
Inventor 陆珂伟刘怡戴正平李勇君汪振
Owner 上海捷新动力电池系统有限公司
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