High-safety electric vehicle battery pack protection mechanism

Abstract

The utility model discloses a high-safety electric automobile battery pack protection mechanism which comprises an anti-collision base plate, a protection frame is fixedly installed on the outer surface of the upper end of the anti-collision base plate, a guide lantern ring is fixedly installed on the outer wall of the anti-collision base plate, and an energy relief buffer structure penetrates through the guide lantern ring. The energy unloading buffer structure comprises a damper and an anti-collision plate, a mounting cavity is formed in the anti-collision base plate, a transverse reinforcing plate, a vertical reinforcing plate assembly and a reinforcing supporting plate are fixedly mounted in the mounting cavity, the vertical reinforcing plate assembly comprises a fixing plate, a supporting block and a reinforcing block, one end of the damper is located in the mounting cavity, and the other end of the damper is located in the supporting block. The transverse reinforcing plate is fixedly installed in the middle of the inner cavity of the anti-collision base plate. According to the high-safety protection mechanism for the battery pack of the electric automobile, quadruple protection is arranged, the safety protection performance of the battery pack is improved, and a better use prospect is brought.

Description

Technical Field

[0001] The utility model relates to the technical field of electric vehicle battery pack protection, in particular to a high-safety electric vehicle battery pack protection mechanism. Background Art

[0002] The battery pack of an electric vehicle is usually located at the bottom of the vehicle. This design is mainly to lower the center of gravity of the vehicle, improve the stability of the vehicle, and fix the electric vehicle battery on the battery pack bracket.

[0003] However, when an electric vehicle is involved in an accident, the power battery pack may be squeezed, causing the power battery to deform. In severe cases, the deformation of the power battery can cause internal pole pieces to break and diaphragm failure, leading to a short circuit in the battery and thermal runaway.

[0004] The existing technology only relies on the vehicle body door sills and vehicle body cross beams to protect the battery pack, and the protection effect is poor.

[0005] To this end, we propose a high-safety electric vehicle battery pack protection mechanism. Utility Model Content

[0006] 1. Technical issues to be resolved

[0007] In view of the deficiencies in the prior art, the utility model provides a high-safety electric vehicle battery pack protection mechanism, which has the advantages of multiple protections for the battery pack and improved safety, and can effectively solve the problems in the background technology.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the technical solution adopted by the utility model is: a high-safety electric vehicle battery pack protection mechanism, including an anti-collision substrate, a protection frame is fixedly installed on the upper outer surface of the anti-collision substrate, a guide ring is fixedly installed on the outer wall of the anti-collision substrate, and an energy unloading buffer structure passes through the guide ring. The energy unloading buffer structure includes a damper and an anti-collision plate, and an installation cavity is opened inside the anti-collision substrate, a transverse reinforcement plate, a vertical reinforcement plate assembly and a reinforcement support plate are fixedly installed in the installation cavity, and the vertical reinforcement plate assembly includes a fixing plate, a support block and a reinforcement block, and one end of the damper is located in the installation cavity.

[0010] Preferably, the transverse reinforcement plate is fixedly installed in the middle of the inner cavity of the anti-collision base plate.

[0011] Preferably, the vertical reinforcement plate assembly is fixedly installed on the outer surfaces of both sides of the transverse reinforcement plate, and the number of the fixed plates and the support blocks in a group of the vertical reinforcement plate assembly is two groups, and the two groups of the fixed plates are fixedly installed between the outer surface of one side of the transverse reinforcement plate and the inner wall of the anti-collision substrate.

[0012] Preferably, the two groups of support blocks are fixedly installed at both ends between the two groups of fixing plates, the reinforcement block is fixedly installed in the middle between the two groups of support blocks, and the outer surface of one end of the damper is fixedly connected to the outer surface of one side of the support block.

[0013] Preferably, the reinforcing support plate is fixedly installed between two groups of the vertical reinforcing plate assemblies.

[0014] Preferably, the lower part of the outer surface of one side of the anti-collision plate is fixedly connected to the outer surface of one end of the piston rod in the damper, and the outer wall of the piston rod in the damper is slidably connected to the guide ring.

[0015] (III) Beneficial effects

[0016] Compared with the prior art, the utility model provides a high-safety electric vehicle battery pack protection mechanism, which has the following beneficial effects:

[0017] 1. A high-safety electric vehicle battery pack protection mechanism, wherein the battery pack is mounted on the upper outer surface of an anti-collision substrate, and the battery pack is located inside a protection frame, and the protection frame can protect the battery pack.

[0018] 2. This high-safety electric vehicle battery pack protection mechanism is equipped with an anti-collision substrate, and the cross-sectional area of ​​the anti-collision substrate is larger than the cross-sectional area of ​​the protection frame. If the anti-collision substrate does not deform, the protection frame will not be squeezed, and the battery pack inside the protection frame will not be squeezed, thereby providing better protection.

[0019] 3. This high-safety electric vehicle battery pack protection mechanism can play an energy dissipation role and improve safety when a collision occurs by setting up an energy dissipation buffer structure.

[0020] 4. This high-safety electric vehicle battery pack protection mechanism, through the transverse reinforcement plate, vertical reinforcement plate assembly and reinforcement support plate arranged inside the anti-collision substrate, is convenient for further increasing the strength of the anti-collision substrate and improving the protection of the battery pack. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The utility model is a schematic diagram of the overall structure of a high-safety electric vehicle battery pack protection mechanism.

[0022] Figure 2 It is a top cross-sectional view of an anti-collision substrate in a high-safety electric vehicle battery pack protection mechanism of the utility model.

[0023] Figure 3 The utility model is a structural schematic diagram of a vertical reinforcing plate assembly in a high-safety electric vehicle battery pack protection mechanism.

[0024] Figure 4 The utility model is a structural schematic diagram of an energy discharging buffer structure in a high-safety electric vehicle battery pack protection mechanism.

[0025] In the figure: 1. anti-collision substrate; 2. protection frame; 3. energy unloading buffer structure; 4. guide ring; 5. installation cavity; 6. horizontal reinforcement plate; 7. vertical reinforcement plate assembly; 8. reinforcement support plate; 9. fixing plate; 10. support block; 11. reinforcement block; 12. damper; 13. anti-collision plate. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] This embodiment is a high-safety electric vehicle battery pack protection mechanism.

[0028] like Figure 1-4 As shown, it includes an anti-collision substrate 1, a protective frame 2 is fixedly installed on the outer surface of the upper end of the anti-collision substrate 1, a guide ring 4 is fixedly installed on the outer wall of the anti-collision substrate 1, and an energy unloading buffer structure 3 passes through the guide ring 4. The energy unloading buffer structure 3 includes a damper 12 and an anti-collision plate 13, and an installation cavity 5 is opened inside the anti-collision substrate 1, in which a transverse reinforcement plate 6, a vertical reinforcement plate assembly 7 and a reinforcement support plate 8 are fixedly installed, and the vertical reinforcement plate assembly 7 includes a fixing plate 9, a support block 10 and a reinforcement block 11, and one end of the damper 12 is located in the installation cavity 5.

[0029] The transverse reinforcement plate 6 is fixedly installed in the middle of the inner cavity of the anti-collision substrate 1; the vertical reinforcement plate assembly 7 is fixedly installed on the outer surfaces of both sides of the transverse reinforcement plate 6, and the number of fixed plates 9 and support blocks 10 in a group of vertical reinforcement plate assemblies 7 are both two groups, and the two groups of fixed plates 9 are fixedly installed between the outer surface of one side of the transverse reinforcement plate 6 and the inner wall of the anti-collision substrate 1; the two groups of support blocks 10 are fixedly installed at both ends between the two groups of fixed plates 9, the reinforcement block 11 is fixedly installed in the middle between the two groups of support blocks 10, and the outer surface of one end of the damper 12 is fixedly connected to the outer surface of one side of the support block 10; the reinforcement support plate 8 is fixedly installed between the two groups of vertical reinforcement plate assemblies 7; the lower part of the outer surface of one side of the anti-collision plate 13 is fixedly connected to the outer surface of one end of the piston rod in the damper 12, and the outer wall of the piston rod in the damper 12 is slidably connected to the guide sleeve 4.

[0030] It should be noted that the utility model is a high-safety electric vehicle battery pack protection mechanism, which is provided with four-layer protection. When a collision occurs, the energy unloading buffer structure 3 is firstly buffered and unloaded, and the anti-collision plate 13 is impacted to squeeze the damper 12, and the damper 12 unloads energy, which plays a role of first-layer protection; if the energy unloading buffer structure 3 exceeds the load and is damaged, the anti-collision substrate 1 is squeezed, and the anti-collision substrate 1 is provided to play a role of second-layer protection; and the anti-collision substrate 1 is fixedly installed with a transverse reinforcement plate 6, a vertical reinforcement plate assembly 7 and a reinforcement support plate 8 inside, which play a role of triple protection and prevent the anti-collision substrate 1 from being deformed; if the impact force is too large, the anti-collision substrate 1 is deformed, and the protection frame 2 is finally squeezed, and the protection frame 2 is provided to provide a fourth-layer protection for the battery pack inside the protection frame 2, thereby improving safety.

[0031] It should be noted that, in this article, relational terms such as first and second (number one, number two), etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. The technicians in this industry should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A high-safety electric vehicle battery pack protection mechanism, comprising an anti-collision substrate (1), characterized in that: A protective frame (2) is fixedly mounted on the outer surface of the upper end of the anti-collision substrate (1); a guide ring (4) is fixedly mounted on the outer wall of the anti-collision substrate (1); an energy unloading buffer structure (3) is passed through the guide ring (4); the energy unloading buffer structure (3) comprises a damper (12) and an anti-collision plate (13); an installation cavity (5) is provided inside the anti-collision substrate (1); a transverse reinforcement plate (6), a vertical reinforcement plate assembly (7) and a reinforcement support plate (8) are fixedly mounted in the installation cavity (5); the vertical reinforcement plate assembly (7) comprises a fixing plate (9), a support block (10) and a reinforcement block (11); and one end of the damper (12) is located in the installation cavity (5).

2. A high-safety electric vehicle battery pack protection mechanism according to claim 1, characterized in that: The transverse reinforcement plate (6) is fixedly installed in the middle of the inner cavity of the anti-collision base plate (1).

3. A high-safety electric vehicle battery pack protection mechanism according to claim 2, characterized in that: The vertical reinforcing plate assembly (7) is fixedly mounted on the outer surfaces of both sides of the transverse reinforcing plate (6); the number of the fixing plates (9) and the supporting blocks (10) in one set of the vertical reinforcing plate assembly (7) is two sets; the two sets of the fixing plates (9) are fixedly mounted between the outer surface of one side of the transverse reinforcing plate (6) and the inner wall of the anti-collision base plate (1).

4. A high-safety electric vehicle battery pack protection mechanism according to claim 3, characterized in that: The two groups of support blocks (10) are fixedly installed at the two ends between the two groups of fixing plates (9), the reinforcing block (11) is fixedly installed in the middle between the two groups of support blocks (10), and the outer surface of one end of the damper (12) is fixedly connected to the outer surface of one side of the support block (10).

5. A high-safety electric vehicle battery pack protection mechanism according to claim 4, characterized in that: The reinforcing support plate (8) is fixedly installed between the two groups of vertical reinforcing plate assemblies (7).

6. A high-safety electric vehicle battery pack protection mechanism according to claim 5, characterized in that: The lower part of the outer surface of one side of the anti-collision plate (13) is fixedly connected to the outer surface of one end of the piston rod in the damper (12), and the outer wall of the piston rod in the damper (12) is slidably connected to the guide ring (4).

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