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CN-224232776-U - Battery device, chassis of vehicle and vehicle

CN224232776UCN 224232776 UCN224232776 UCN 224232776UCN-224232776-U

Abstract

The application discloses a battery device, a chassis of a vehicle and the vehicle, wherein the battery device comprises a plurality of first beams and separation beams, the plurality of first beams are connected to enclose a containing space for containing battery monomers, the separation beams are arranged in the containing space, two ends of at least one separation beam are connected with the oppositely arranged first beams, the at least one first beam comprises a middle beam and inclined beams positioned at two ends of the middle beam, one end of each inclined beam is connected with the middle beam, and the other end of each inclined beam extends towards the separation beam which is opposite to and adjacent to the middle beam and is connected with the separation beam. Therefore, when the deformation of the battery device is reduced, the collision energy can be guided to be transmitted to the end parts of the first beams, so that the collision energy is guided to pass through the plurality of first beams and the separation Liang Xiaosan, deformation of the middle beam is absorbed through the deformation space, and the probability that the deformation invades into the accommodating cavity where the battery unit is located is reduced.

Inventors

  • LU ZHIKUI
  • GUO QING
  • HE BIN

Assignees

  • 宁德时代(上海)智能科技有限公司

Dates

Publication Date
20260512
Application Date
20250321

Claims (12)

  1. 1. A battery device, characterized by comprising: The battery pack comprises a plurality of first beams (10), wherein the first beams (10) are connected to form a containing space in a surrounding mode, and the containing space is used for containing battery cells (200); The separation beams (20) are arranged in the accommodating space, two ends of at least one separation beam (20) are connected with two first beams (10) which are oppositely arranged, wherein, At least one first beam (10) comprises a middle beam (11) and inclined beams (12) positioned at two ends of the middle beam (11), wherein one end of each inclined beam (12) is connected with the middle beam (11), and the other end extends towards the separation beam (20) which is opposite to and is adjacently arranged, and is connected with the separation beam (20).
  2. 2. The battery device according to claim 1, further comprising an energy absorbing structure (30), wherein the energy absorbing structure (30) is arranged between the dividing beam (20) and the intermediate beam (11) and is connected to the dividing beam (20), the intermediate beam (11).
  3. 3. The battery arrangement according to claim 2, characterized in that a length dimension L1 of the intermediate beam (11) and a length dimension L2 of the energy absorbing structure (30) satisfy 0.3≤l2/l1≤1.
  4. 4. The battery device according to claim 1, further comprising a connection beam (40), one end of the connection beam (40) being connected to the inclined beam (12), the other end of the connection beam (40) extending toward the first beam (10) disposed opposite thereto and adjacent thereto and being connected to the first beam (10).
  5. 5. The battery device according to claim 4, wherein a plurality of the connection beams (40) are provided, and a plurality of the connection beams (40) are provided in sequence between the first beam (10) and the inclined beam (12).
  6. 6. The battery device according to claim 4, characterized in that the extension direction of the connecting beam (40) and the extension direction of the oblique beam (12) connected thereto have an acute included angle.
  7. 7. The battery device according to claim 1, further comprising a pull beam (50), the pull beam (50) being connected between the intermediate beam (11) and the partition beam (20) adjacent to the intermediate beam (11), and/or The pull beam (50) is connected between the tilt beam (12) and the partition beam (20) adjacent to the tilt beam (12).
  8. 8. The battery device according to claim 7, wherein a plurality of the pull beams (50) are provided, the plurality of the pull beams (50) being provided in order in the extending direction of the intermediate beam (11) and/or the inclined beam (12).
  9. 9. The battery device according to claim 7, wherein the extension direction of the pull beam (50) forms an angle with the extension direction of an intermediate beam (11) connecting the pull beam (50), and/or The extension direction of the pull beam (50) forms an included angle with the extension direction of the inclined beam (12) connected with the pull beam (50).
  10. 10. A chassis for a vehicle, comprising the battery device according to any one of claims 1 to 9.
  11. 11. The chassis (100) of a vehicle according to claim 10, wherein the chassis (100) further comprises a floor (60), at least part of the floor (60) covering the accommodation space and being formed as an upper cover of the battery device.
  12. 12. A vehicle comprising a chassis (100) of the vehicle according to claim 10 or 11.

Description

Battery device, chassis of vehicle and vehicle Technical Field The utility model relates to the technical field of vehicles, in particular to a battery device, a chassis of a vehicle and the vehicle. Background In the related art, energy conservation and emission reduction are key to sustainable development of the vehicle industry, and electric vehicles become an important component of sustainable development of the vehicle industry due to the advantages of energy conservation and environmental protection. For electric vehicles, the battery device is arranged, so that the weight of the electric vehicle is far higher than that of a traditional vehicle, and the consequence of an electric vehicle collision accident is more serious. Disclosure of utility model The present utility model aims to solve at least one of the technical problems existing in the prior art. Therefore, an object of the present utility model is to provide a battery device, which has better protection effect on battery cells, and higher safety and reliability. The application also provides a chassis of the vehicle adopting the battery device. The application further provides a vehicle adopting the chassis. In a first aspect, an embodiment of the application provides a battery device, which comprises a plurality of first beams and a plurality of separation beams, wherein the plurality of first beams are connected to enclose a containing space, the containing space is used for containing battery cells, the plurality of separation beams are arranged in the containing space, two ends of at least one separation beam are connected with the first beams which are made of opposite colors, the at least one first beam comprises a middle beam and inclined beams positioned at two ends of the middle beam, one end of each inclined beam is connected with the middle beam, and the other end of each inclined beam extends towards the separation beam which is opposite to and is adjacently arranged, and is connected with the separation beam. According to the battery device provided by the embodiment of the application, the first beams and the separation beams are arranged, at least one first beam comprises the middle beam and the inclined beam, so that a triangular supporting structure can be formed between the inclined beam and the separation beams, a gap between the middle beam and the separation beam arranged nearby the middle beam can be formed into a deformation space, the structural strength and the supporting strength of a corner area where the first beam and the first beam are connected are enhanced, and the end part of the first beam can be guided to transmit collision energy to guide the collision energy to pass through the first beams and the separation Liang Xiaosan while the deformation of the battery device is reduced, and the deformation space is used for absorbing the deformation of the middle beam, so that the probability of the deformation invading into a containing cavity where a battery unit is located is reduced, and the protection effect on the battery unit is improved. According to some embodiments of the application, the battery device further includes an energy absorbing structure disposed between and coupled to the dividing beam and the intermediate beam. In the above technical scheme, one end of the inclined beam is connected with the middle beam, the other end of the inclined beam is connected with the separation beam, a gap is formed between the middle beam and the separation beam adjacent to the inclined beam, the gap is the deformation space, an energy absorption structure is further arranged in the deformation space, when the middle beam is impacted, impact energy can be transmitted to the energy absorption structure through the middle beam, and when the middle beam is deformed, the energy absorption structure can collapse and deform to absorb impact energy, so that the protection effect can be further improved, the probability of intrusion of the deformation into the accommodating space where the battery cell is located is reduced, and the protection effect on the battery cell is improved. According to some embodiments of the application, the length dimension L1 of the intermediate beam and the length dimension L2 of the energy absorbing structure satisfy 0.3≤L2/L1≤1. In the technical scheme, the length dimension of the energy-absorbing structure is more reasonable, the collision energy absorption effect of the energy-absorbing structure can meet the use requirement, meanwhile, the arrangement difficulty of the energy-absorbing structure can be reduced, the energy-absorbing structure is prevented from occupying the arrangement space excessively, interference between the energy-absorbing structure and the inclined beam can be avoided, the conversion difficulty of the energy-absorbing structure and the first beam is reduced, and the assembly efficiency is improved. According to some embodiments of the application, the battery devic