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CN-122025960-A - New energy automobile battery package crashproof device

CN122025960ACN 122025960 ACN122025960 ACN 122025960ACN-122025960-A

Abstract

The invention discloses a new energy automobile battery pack anti-collision device, which relates to the technical field of new energy automobile battery pack anti-collision devices, the battery pack comprises a chassis, wherein a battery pack main body penetrates through the chassis, the penetrating part is in sliding connection, and a rigid protection device for replacing the battery pack main body to accept impact is arranged below the chassis. When the barrier in front of or behind the automobile is shorter or the barrier is softer, the impact plate is supported by the cooperation of the sliding groove, the sliding rod, the sliding block, the buffer spring and the hinge plate, so that the impact plate directly protects the battery pack body below the battery pack body or bends the barrier through the gravity of the impact plate and the hinge plate, the whole equipment can directly pass through the barrier, the battery pack body is prevented from being influenced, the problem that the impact device of the equipment cannot flexibly change the height and is relatively dead is solved.

Inventors

  • LAI XIAOLI
  • LUO FENG

Assignees

  • 东莞金百诚动力电子有限公司

Dates

Publication Date
20260512
Application Date
20260120

Claims (9)

  1. 1. The battery pack anti-collision device for the new energy automobile comprises a chassis (1) and is characterized in that a battery pack main body (2) penetrates through the chassis (1) and is connected with the chassis in a sliding mode, a rigid protection device for replacing the battery pack main body (2) to receive collision is arranged below the chassis (1), and a buffer device for buffering between the rigid protection device and the battery pack main body (2) is arranged below the chassis (1); The rigid protection device comprises a sliding groove (31), a sliding rod (32), a sliding block (33), a buffer spring (34), a hinge plate (35) and a bearing plate (36), wherein the sliding groove (31) is formed in two ends of a chassis (1), the sliding rod (32) is fixedly connected to the inner wall of the sliding groove (31), the sliding rod (32) penetrates through the sliding block (33) and is in sliding connection with the penetrating part, and one end of the buffer spring (34) is fixedly connected to the side wall of the sliding block (33).
  2. 2. The new energy automobile battery pack anti-collision device according to claim 1, wherein the other end of the buffer spring (34) is fixedly connected to the side wall of the sliding groove (31), the hinge plate (35) is hinged to the bottom surface of the sliding block (33), the sliding groove (31), the sliding rod (32), the sliding block (33) and the buffer spring (34) are all provided with two groups, and the impact plate (36) is hinged to one end, far away from the sliding block (33), of the two groups of hinge plates (35) at two ends respectively.
  3. 3. The new energy automobile battery pack anti-collision device according to claim 1, wherein the buffer device comprises a through groove (41), a hollow plate (42), a protection plate (43), a limiting plate (44), a hollow rod (45), a supporting rod (46), a gas storage tank (47), a sealing plate (48), a through hole (49), an inflating cavity (410) and a gas bag (411), the through groove (41) is formed in the front end and the rear end of the chassis (1), and the hollow plate (42) is fixedly connected to the front side and the rear side of the impact plate (36).
  4. 4. The new energy automobile battery pack anti-collision device according to claim 3, wherein the protection plate (43) penetrates through the hollow plate (42) and is in sliding connection with the penetrating position, the protection plate (43) penetrates through the chassis (1) and is in sliding connection with the penetrating position, the side wall of the protection plate (43) is attached to the inner wall of the through groove (41), the limiting plate (44) is fixedly connected to the upper surface of the protection plate (43), and the limiting plate (44) penetrates through the chassis (1) and is in sliding connection with the penetrating position.
  5. 5. The battery pack anti-collision device for the new energy automobile according to claim 4, wherein the hollow rod (45) is fixedly connected to the upper surface of the impact plate (36), the hollow rod (45) penetrates through the chassis (1) and is slidingly connected at the penetrating position, the supporting rod (46) is fixedly connected to the upper surface of the chassis (1), the hollow rod (45) penetrates through the supporting rod (46) and is slidingly connected at the penetrating position, and the gas storage tank (47) is fixedly connected to the upper end of the supporting rod (46).
  6. 6. The device of claim 5, wherein the gas storage tank (47) is communicated with the supporting rod (46), the sealing plate (48) is slidably connected to the inner wall of the gas storage tank (47), the through hole (49) is formed in the surface of the sealing plate (48), the inflating cavity (410) is formed in the inner wall of the impact plate (36), the air bag (411) is fixedly connected to the upper surface of the impact plate (36), the hollow rod (45) is communicated with the inflating cavity (410), and the inflating cavity (410) is communicated with the air bag (411).
  7. 7. The new energy automobile battery pack anti-collision device according to claim 1, wherein an auxiliary device for maintaining the buffer device is arranged above the buffer device, the auxiliary device comprises a swivel (51), a fixed rod (52), a soft sponge (53), a connecting rod (54), a ball (55), a hinge joint (56), a hinge rod (57), a hinge ball (58) and a spoiler (59), and the hollow rod (45) penetrates through the swivel (51) and is connected in a rotating mode at the penetrating position.
  8. 8. The new energy automobile battery pack anti-collision device of claim 7, wherein the fixing rod (52) is fixedly connected to the outer wall of the swivel (51), the soft sponge (53) is fixedly connected to the bottom surface of the fixing rod (52), the connecting rod (54) is fixedly connected to the outer wall of the swivel (51), the ball (55) is fixedly connected to one end, far away from the swivel (51), of the connecting rod (54), and the inner wall of the hinge joint (56) is attached to the outer wall of the ball (55).
  9. 9. The new energy automobile battery pack anti-collision device of claim 8, wherein the hinge rod (57) is fixedly connected to the outer wall of the hinge joint (56), the hinge ball (58) is fixedly connected to one end, far away from the hinge joint (56), of the hinge rod (57), a circular groove is formed in the side wall of the hinge plate (35), the outer wall of the hinge ball (58) is attached to the inner wall of the circular groove, and the spoiler (59) is fixedly connected to the outer wall of the hinge rod (57).

Description

New energy automobile battery package crashproof device Technical Field The invention relates to the technical field of anti-collision devices of battery packs of new energy automobiles, in particular to an anti-collision device of a battery pack of a new energy automobile. Background Under the large background of global advocating environmental protection and sustainable development, the new energy automobile industry is vigorous in development, the market ratio is increased year by year as an important alternative scheme of the traditional fuel automobile, the battery pack is used as a core component of the new energy automobile, continuous and stable power output is provided for the automobile, the safety and the reliability of the battery pack are directly related to the performance of the whole automobile, the safety of drivers and passengers and the service life of the automobile, once the battery pack is impacted in the running process of the automobile, serious safety accidents such as internal short circuit, fire and explosion of the battery are possibly caused, the serious damage of the automobile is caused, and the life and property safety of the drivers are greatly threatened. The novel energy automobile battery pack anti-collision device comprises a chassis and a battery pack, wherein the battery pack is vertically and slidably connected with the chassis and comprises a lifting mechanism, the lifting mechanism is used for controlling the battery pack to vertically lift relative to the chassis, the triggering mechanism is used for driving the lifting mechanism to work through sensing protrusions of a road surface capable of striking the battery pack, the triggering mechanism senses the manner that the protrusions of the road surface capable of striking the battery pack drive the lifting mechanism to control the battery pack to vertically lift relative to the chassis, the battery pack can effectively avoid the risk of being struck, and meanwhile, gaps above the battery pack can be reserved, so that sufficient space is provided for heat dissipation of the battery pack and other settings of a vehicle. However, the triggering mechanism of the battery pack anti-collision device of the new energy automobile needs a certain reaction time when sensing an obstacle, the battery pack repeatedly moves up and down and is easily worn, and meanwhile, inertia generated when the triggering mechanism is impacted can also cause a certain impact force on the whole equipment, and the battery pack can be influenced to a certain extent, so that the whole anti-collision device is relatively dead, and is difficult to flexibly change to better protect the battery pack. Disclosure of Invention Aiming at the defects of the prior art, the invention provides a new energy automobile battery pack anti-collision device, which solves the problems in the prior art. The novel energy automobile battery pack anti-collision device comprises a chassis, wherein a battery pack main body penetrates through the chassis and is connected with the chassis in a sliding mode, a rigid protection device for replacing the battery pack main body to receive collision is arranged below the chassis, and a buffer device for buffering between the rigid protection device and the battery pack main body is arranged below the chassis; The rigid protection device comprises a sliding groove, a sliding rod, a sliding block, a buffer spring, a hinge plate and a bearing plate, wherein the sliding groove is formed in two ends of a chassis, the sliding rod is fixedly connected to the inner wall of the sliding groove, the sliding rod penetrates through the sliding block and is in sliding connection with the penetrating part, one end of the buffer spring is fixedly connected to the side wall of the sliding block, and the buffer spring is stretched when the sliding block slides. According to the technical scheme, the other end of the buffer spring is fixedly connected to the side wall of the sliding groove, the hinge plates are hinged to the bottom surface of the sliding block, the sliding groove, the sliding rod, the sliding block and the buffer spring are all provided with two groups, the two ends of the impact bearing plate are hinged to one ends, far away from the sliding block, of the two groups of hinge plates respectively, and the impact bearing plate is driven to move up and down through the hinge plates when the sliding block slides. According to the technical scheme, the buffer device comprises a through groove, a hollow plate, a protection plate, a limiting plate, a hollow rod, a support rod, a gas storage tank, a sealing plate, a through hole, an inflating cavity and an airbag, wherein the through groove is formed in the front end and the rear end of the chassis, the hollow plate is fixedly connected to the front side and the rear side of the impact plate, and the impact plate drives the hollow plate to move up and down when moving up and down. According