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CN-117613484-B - Battery pack device separated from electric vehicle in collision scene and electric vehicle

CN117613484BCN 117613484 BCN117613484 BCN 117613484BCN-117613484-B

Abstract

The application relates to the technical field of electric automobile accessories, and provides a battery pack device separated from an electric automobile under a collision scene and the electric automobile, which comprise a battery pack lower shell, wherein two first convex columns are arranged on the front side surface of the battery pack lower shell, two second convex columns are arranged on the rear side surface of the battery pack lower shell, a rear side supporting component is arranged at the rear end part of the battery pack lower shell and comprises an end plate, supporting sleeves are arranged at the two end parts of the end plate, the second projection is inserted and matched with the supporting sleeve, a first electric push rod is installed on the front side face of the end plate, a front side supporting component is arranged on the front side of the battery pack lower shell and comprises a front side plate, a supporting box is installed on the front side face of the front side plate, a second electric push rod is installed on the supporting box, a guide plate is arranged on a telescopic shaft of the second electric push rod, two rectangular rods are installed on the guide plate, and the rectangular rods are inserted into the first projection. The application can separate the battery pack from the vehicle body during collision, thereby improving the safety performance.

Inventors

  • WANG LAI
  • ZHENG DENGLEI
  • HE YONG
  • HE LIANG
  • WANG JINGHONG

Assignees

  • 重庆赛力斯新能源汽车设计院有限公司

Dates

Publication Date
20260508
Application Date
20231124

Claims (10)

  1. 1. The utility model provides a break away from battery package device of electric motor car under collision scene, its characterized in that, including battery package inferior valve (1), fixed mounting has battery package upper cover (10) on the top surface of battery package inferior valve (1), fixed mounting has two first projection (12) of mutual symmetry about on the leading flank of battery package inferior valve (1), fixed mounting has two second projection (13) of mutual symmetry about on the trailing flank of battery package inferior valve (1), the trailing end of battery package inferior valve (1) is provided with rear side supporting component (2), rear side supporting component (2) include end plate (20), the both ends portion of end plate (20) all fixed mounting has supporting sleeve (21), second projection (13) with peg graft the cooperation between supporting sleeve (21), fixed mounting has first electric putter (23) that are used for pushing away battery package inferior valve (1) on the leading flank of end plate (20), the leading flank of battery package inferior valve (1) is provided with leading side supporting component (3), leading end plate (35) are provided with leading end plate (35), two mutually symmetrical rectangular rods (37) are fixedly arranged on the guide plate (36), and the rectangular rods (37) are inserted into the first convex columns (12) for supporting operation.
  2. 2. The battery pack device for the electric vehicle separated from the collision scene according to claim 1, wherein a plurality of heat radiating fins (11) are fixedly installed on the upper surface of the battery pack upper cover (10) in a linear equidistant arrangement, and the heat radiating fins (11) are used for heat radiating operation.
  3. 3. The battery pack device separated from the electric vehicle in the collision scene according to claim 1, wherein a rectangular groove (121) with the front side communicated with the outside is arranged in the first convex column (12), the rectangular rod (37) is positioned in the rectangular groove (121) and is in plug-in fit with the rectangular groove (121), and the size of the rectangular rod (37) is matched with the size of the rectangular groove (121).
  4. 4. The battery pack device separated from the electric vehicle in the collision scene according to claim 1, wherein a through hole (211) communicated with the outside is arranged in the supporting sleeve (21), and the second convex column (13) is positioned in the through hole (211) and is in plug-in fit with the through hole (211) for supporting the second convex column (13).
  5. 5. The battery pack device separated from the electric vehicle in the collision scene according to claim 1, wherein a rectangular plate (231) is fixedly arranged at the tail end of the telescopic shaft of the first electric push rod (23), a pushing plate (24) is fixedly arranged on the front side surface of the rectangular plate (231), and the pushing plate (24) abuts against the rear side surface of the battery pack lower shell (1).
  6. 6. The battery pack device separated from the electric vehicle in the collision scene according to claim 1, wherein guide sleeves (31) are fixedly installed at both end parts of the front side plate (30), rectangular holes (311) communicated with the outside are formed in the guide sleeves (31), and the rectangular rods (37) penetrate through the rectangular holes (311) and are in sliding connection with the rectangular holes (311).
  7. 7. The battery pack device for the electric vehicle separated from the collision scene according to claim 1, wherein a chute (331) is arranged in the supporting box (33), and the guide plate (36) is positioned in the chute (331) and is in sliding connection with the chute (331).
  8. 8. The battery pack device for the electric vehicle separated from the collision scene according to claim 1, wherein a steel plate (351) is fixedly installed at the end of the telescopic shaft of the second electric push rod (35), and the guide plate (36) is fixedly installed on the side of the steel plate (351) by a plurality of fastening bolts.
  9. 9. The battery pack device for the electric vehicle, which is separated from the collision scene according to claim 1, wherein a supporting frame (32) is fixedly installed between two end parts of the front side plate (30) and two end plate bodies of the end plate (20), the supporting frame (32) is used for fixing the front side plate (30) and the end plate (20), a frame plate (34) is fixedly installed on the top surface of the front side plate (30), a fixing plate (22) is fixedly installed on the top surface of the end plate (20), and the frame plate (34) and the fixing plate (22) are fixedly installed on a frame of the external electric vehicle through a plurality of fastening bolts.
  10. 10. An electric automobile is characterized by comprising the battery pack device which is separated from the electric automobile in a collision scene according to any one of claims 1-9 and a connecting component for installing and connecting the battery pack device which is separated from the electric automobile in the collision scene.

Description

Battery pack device separated from electric vehicle in collision scene and electric vehicle Technical Field The application relates to the technical field of electric automobile accessories, in particular to a battery pack device separated from an electric automobile in a collision scene and the electric automobile. Background The battery pack is an important component of the electric automobile and is mainly used for providing a power supply for the automobile, the design and performance of the battery pack directly influence the driving mileage, safety and reliability of the electric automobile, the battery technology is the basis of the battery pack, along with the development of technology and the improvement of the requirements of consumers on performance and environmental protection, the lithium ion battery gradually becomes the mainstream, has the advantages of high energy density, long service life, environmental protection and the like, powerful support is provided for the development of the electric automobile, the installation and layout of the battery pack are required to be considered in the structural design of the electric automobile, the mechanical strength, the safety and the reliability of the automobile are ensured, and meanwhile, the driving performance, the comfort, the durability and the like of the electric automobile are also required to be considered in the vehicle engineering so as to meet the requirements of consumers. The invention patent with the publication number of CN112670648B discloses a battery pack and an electric automobile, wherein the battery pack comprises a battery tray and a battery, the battery tray comprises an annular frame, the frame is provided with two first side edge parts which are oppositely arranged, the lower ends of the two first side edge parts are respectively provided with a flanging part which extends towards the direction close to each other, and the battery is positioned above the flanging part and is connected with the upper surface of the flanging part. According to the battery pack, the flanging parts of the two first side edge parts are respectively connected with the battery, so that the additional arrangement of the mounting piece between the battery and the frame is avoided, the structure of the battery pack is simplified, the weight of the battery pack is reduced, and the energy density of the battery pack is improved. The invention patent with the publication number of CN113422138A discloses a battery pack and an electric automobile, wherein the battery comprises a battery box body, a battery module and a fireproof heat absorption interlayer, the battery module and the fireproof heat absorption interlayer are arranged in the battery box body, the fireproof heat absorption interlayer is positioned between the inner wall of the battery module and the battery box body, the fireproof heat absorption interlayer comprises a first fireproof layer, a phase change layer and a second fireproof layer, and the phase change layer is positioned between the first fireproof layer and the second fireproof layer. According to the battery pack and the electric automobile, the fireproof heat absorption interlayer is arranged, when the local electric core of the battery module is out of control, a large amount of heat is discharged from the local part, due to the fact that the temperature is extremely high, the first fireproof layer transfers the heat to the phase-change layer, the phase-change layer absorbs a large amount of heat and rapidly transfers the heat to the whole phase-change layer, the heat is dispersed to reduce the local temperature, the first fireproof layer is arranged below the phase-change layer, the heat can be effectively reduced to diffuse to the peripheral electric core, therefore, the occurrence of heat diffusion is avoided, the top of the battery box body can be effectively protected by the second fireproof layer, and explosion of the battery pack is avoided. Although the above technical scheme has corresponding advantages, the battery packs of the above technical scheme are directly and fixedly mounted on the electric automobile by using the fastening bolts or screws, and can not be automatically separated from the electric automobile when the automobile collides, so that the battery packs are automatically separated from the automobile body. In view of this, we propose a battery pack device and an electric vehicle that are separated from the electric vehicle in a collision scenario. Disclosure of Invention The application aims to provide a battery pack device separated from an electric vehicle in a collision scene and the electric vehicle, so as to solve the technical problems that a battery pack cannot be separated from the vehicle after the vehicle collides in the prior art, and the battery pack is easy to fire and burn the vehicle and endanger personnel safety. In order to achieve the above purpose, the application adopts the follo