Battery pack protection structure

Abstract

The utility model discloses a battery pack protection structure, which belongs to the technical field of new energy automobiles and comprises a first support frame, a second support frame, a protection component, a power component and a locking structure. The protection structure comprising the protection component is arranged at the front end of the vehicle battery pack, adjustment of the gap between the protection component and the ground is achieved through rotation of the protection component, normal running of the vehicle is not affected, and when collision occurs at the bottom of the vehicle, damage to the vehicle body and the battery pack due to collision can be reduced based on the protection effect of the protection component.

Description

Technical Field

[0001] This utility model belongs to the field of new energy vehicle technology, specifically relating to a battery pack protection structure. Background Technology

[0002] As a mainstream mode of transportation, automobiles, compared to traditional fuel-powered vehicles, have battery packs mounted on the bottom, resulting in limited ground clearance. When a car drives onto uneven roads, obstacles larger than the battery pack's ground clearance can cause collisions, leading to battery damage or even serious accidents such as thermal runaway. Utility Model Content

[0003] The purpose of this invention is to provide a battery pack protection structure to solve the problem of battery pack damage in existing automobiles during driving, as mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a battery pack protective structure, which is installed on the vehicle chassis and located at the front end of the battery pack, and includes:

[0005] A first support frame and a second support frame are spaced apart along the width direction of the vehicle, and the first support frame defines an accommodating area.

[0006] The protective component extends along the width of the vehicle and includes a body and a first shaft portion disposed at one end of the body in the length direction. One end of the first shaft portion is fixedly connected to the body and the other end is rotatably mounted on the first support frame.

[0007] A power component is mounted on the vehicle chassis and located within the receiving area defined by the first support frame. The power component is used to drive the protective component to rotate around the axis of the first shaft body.

[0008] A locking structure is disposed within the receiving area defined by the first support frame and is used to apply a locking force to the protective member.

[0009] This application provides a protective structure, including a protective member, at the front end of the vehicle's battery pack. The gap between the protective member and the ground can be adjusted by rotating the protective member, which will not affect the normal driving of the vehicle. In the event of a collision at the bottom of the vehicle, the protective member can reduce the damage to the vehicle body and battery pack caused by the impact.

[0010] Furthermore, the locking structure includes:

[0011] A carrier component is fixed to a vehicle chassis, and the bottom surface of the carrier component is provided with a groove extending in a vertical direction;

[0012] Multiple locking holes are provided on the first shaft body and are evenly distributed along the circumferential direction of the first shaft body;

[0013] A stop member is provided, a portion of which is located within a slide groove and is configured to switch between a first position and a second position. When the stop member is in the second position, one end of the stop member is inserted into a locking hole to lock the protective member. When the stop member is in the first position, the stop member and the locking hole separate to release the locking of the protective member.

[0014] Furthermore, the locking structure also includes a solenoid valve fixed to the top wall of the slide groove, which controls the switching of the stop member between the first position and the second position by whether the solenoid valve is energized.

[0015] Furthermore, the first support frame includes two first support plates spaced apart along the vehicle width direction, and the first shaft portion is rotatably mounted on the two first support plates of the first support frame.

[0016] Furthermore, the protective structure also includes a transmission structure, through which the rotational driving force of the power component is transmitted to the first shaft portion.

[0017] Furthermore, the transmission structure is a gear transmission structure.

[0018] Furthermore, the body portion has an arc-shaped surface.

[0019] Furthermore, the second support frame includes two second support plates spaced apart along the vehicle width direction.

[0020] Furthermore, the protective component also includes a second shaft portion, one end of which is fixedly connected to the main body portion, and the other end is rotatably mounted on the two second support plates of the second support frame.

[0021] Furthermore, the power component includes a motor and a reducer. Attached Figure Description

[0022] Figure 1 A frontal view of the protective structure;

[0023] Figure 2 for Figure 1 Enlarged view of point A in the middle;

[0024] Figure 3 This is a schematic diagram of the protective component structure.

[0025] In the picture:

[0026] 10. Protective component; 100. Main body; 100a. Arc-shaped surface; 101. First shaft body; 102. Second shaft body;

[0027] 20. First support frame; 200. First support plate; 21. Second support frame; 210. Second support plate;

[0028] 30. Drive structure; 300. Power component; 301. First gear; 302. Second gear;

[0029] 40. Locking structure; 400. Carrier component; 401. Slide groove; 402. Solenoid valve; 403. Stop component; 404. Locking hole;

[0030] 50. Vehicle chassis. Detailed Implementation

[0031] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0032] A battery pack protective structure is mounted on a vehicle chassis 50 and located at the front end of the battery pack. In some embodiments, reference is made to... Figure 1 The main body of the above-mentioned protective structure is composed of a protective component 10, a driving structure 30, a locking structure 40, a first support frame 20 and a second support frame 21. The first support frame 20 and the second support frame 21 are spaced apart along the vehicle width direction, and each of the first support frame 20 and the second support frame 21 has a defined accommodating area. In some embodiments, the first support frame 20 includes two first support plates 200 spaced apart along the vehicle width direction and a protective plate (not shown) fixed to the front end of the two first support plates 200. The second support frame 21 includes two second support plates 210 spaced apart along the vehicle width direction.

[0033] Reference Figure 1 and combined Figure 3The aforementioned protective member 10 is disposed between the first support frame 20 and the second support frame 21 and extends along the vehicle width direction, i.e., the vehicle width direction constitutes the length direction of the protective member 10. At the same time, the aforementioned protective member 10 is configured to rotate around a virtual axis, which is parallel to the vehicle width direction. Specifically, the aforementioned protective member 10 includes a body portion 100, a first shaft portion 101, and a second shaft portion 102. The body portion 100 has an arc-shaped surface 100a, which constitutes the contact surface between the protective member 10 and the obstacle. Correspondingly, the first shaft portion 101 and the second shaft portion 102 are respectively fixed at both ends of the length direction of the protective member 10, and the axes of the first shaft portion 101 and the second shaft portion 102 overlap and are arranged parallel to the vehicle width direction. At this time, the axis of the first shaft portion 101 (second shaft portion 102) constitutes the aforementioned virtual axis, i.e., the protective member 10 is configured to be able to rotate around the axis of the first shaft portion 101 (second shaft portion 102).

[0034] In some embodiments, one end of the first shaft portion 101 is fixed to the body portion 100, and the other end extends in a direction away from the body and is rotatably mounted on the first support frame 20. One end of the second shaft portion 102 is fixed to the body portion 100, and the other end extends in a direction away from the body portion 100 and is rotatably mounted on the second support frame 21. Specifically, the first shaft portion 101 is rotatably mounted on the two first support plates 200 of the first support frame 20, and the second shaft portion 102 is rotatably mounted on the two second support plates 210 of the second support frame 21.

[0035] In some embodiments, refer to Figure 2 The aforementioned drive structure 30 is disposed within the receiving area of ​​the first support frame 20 and is used to drive the protective member 10 to rotate around the axis of the first shaft portion 101. Specifically, the drive structure 30 includes a power member 300 and a transmission structure. The power member 300 is mounted on the vehicle chassis 50 and configured to output rotational driving force outward. For example, the power member 300 consists of a motor and a reduction gearbox, and the output shaft of the power member 300 is arranged parallel to the axis of the first shaft portion 101. Correspondingly, the aforementioned transmission structure includes a meshing first gear 301 and a second gear 302. The first gear 301 is mounted on the output shaft of the power mechanism, and the second gear 302 is mounted on the first shaft portion 101. During operation, the rotational driving force of the power member 300 is transmitted to the first shaft portion 101 via the transmission structure to drive the protective member 10 to rotate.

[0036] In some embodiments, refer to Figure 1 and combined Figure 2Locking structures 40 are provided within the receiving areas of the first support frame 20 and the second support frame 21. Based on these locking structures 40, the protective member 10 can be locked after rotating to a set position, thus fixing the protective member 10 in that position. Specifically, the locking structure 40 includes a carrier member 400, a stop member 403, and a solenoid valve 402. The carrier member 400 is fixed to the vehicle chassis 50, and the bottom surface of the carrier member 400 has a vertically extending groove 401. One end of the stop member 403 is disposed in the groove 401, and the other end extends out of the groove 401. The stop member 403 is configured to slide within the groove 401. The first shaft portion 101 is provided with a plurality of locking holes 404, which are evenly arranged along the circumferential direction of the first shaft portion 101. The stop member 403 is configured to switch between a first position and a second position, that is, to reciprocate between the first position and the second position. Specifically, when the stop member 403 is in the second position, one end of the stop member 403 is inserted into the locking hole 404 to lock the protective member 10. When the stop member 403 is in the first position, the stop member 403 is completely disengaged from the locking hole 404 to release the lock of the protective member 10, so that the protective member 10 can rotate under the action of the power member 300 to achieve position adjustment of the protective member 10.

[0037] In some embodiments, the position switching of the stop member 403 between the first position and the second position is achieved by a solenoid valve 402. The solenoid valve 402 is fixed on the top wall of the slide groove 401. The switching of the stop member 403 between the first position and the second position is controlled by whether the solenoid valve 402 is energized or not. Specifically, when the solenoid valve 402 is energized, the stop member 403 moves upward under the action of the solenoid valve 402 to separate from the locking hole on the first shaft part 101. At this time, the protective member 10 can rotate under the action of the drive structure 30. When the solenoid valve 402 is de-energized, the stop member 403 moves downward and inserts into the locking hole 404 of the first shaft part 101 to achieve the limiting of the first shaft part 101, that is, to prevent the protective member 10 from rotating.

[0038] In some embodiments, a locking structure 40 is also arranged within the receiving area of ​​the second support frame 21.

[0039] The operation flow of the above-mentioned protective structure is as follows: First, the height of the obstacle in front of the vehicle under test and the ground clearance of the bottom of the battery pack of the vehicle are obtained; then, the height of the obstacle and the ground clearance of the bottom of the battery pack are compared and the difference is calculated; finally, based on the height difference and the vehicle speed, the rotation angle of the protective member 10 is obtained and a rotation command is issued. At this time, the solenoid valve 402 is energized, the stop member 403 moves upward and retracts to disengage from the locking hole 404 on the first shaft part 101, and the drive structure 30 drives the protective member 10 to rotate. When the protective member 10 rotates to the set angle, the solenoid valve 402 is de-energized, the stop member 403 moves downward and inserts into the first shaft part. The protective member 10 is fixed in the locking hole 404 on the first shaft 101. When an obstacle hits the protective member 10, the protective member 10 forces the vehicle to rise at a certain angle and then quickly passes over the obstacle. After the sensor detects that the vehicle has left the obstacle, the rotating mechanism receives the command from the control module, the solenoid valve 402 is energized, the stop member 403 moves upward and disengages from the locking hole 404 on the first shaft 101, and the drive structure 30 drives the protective member 10 to reset, that is, controls the protective member 10 to rotate in the opposite direction and return to the initial position. The solenoid valve 402 is de-energized, and the stop member 403 moves downward into the locking hole 404 of the first shaft 101 to fix the protective member 10.

[0040] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A battery pack protection structure, characterized in that, The protective structure is mounted on the vehicle chassis (50) and located at the front end of the battery pack. The protective structure includes: A first support frame (20) and a second support frame (21) are provided at intervals along the width direction of the vehicle, and the first support frame (20) defines an accommodating area; The protective component (10) extends along the width direction of the vehicle and includes a body part (100) and a first shaft part (101) disposed at one end of the body part (100) in the length direction. One end of the first shaft part (101) is fixedly connected to the body part (100), and the other end is rotatably mounted on the first support frame (20). A power component (300) is mounted on the vehicle chassis and located within a receiving area defined by the first support frame (20). The power component (300) is used to drive the protective component (10) to rotate about the axis of the first shaft portion (101). A locking structure (40) is disposed within a receiving area defined by the first support frame (20) and is used to apply a locking force to the protective member (10).

2. The battery pack protection structure according to claim 1, characterized in that: The locking structure (40) includes: The carrier component (400) is fixed on the vehicle chassis, and the bottom surface of the carrier component (400) is provided with a groove (401) extending in the vertical direction. Multiple locking holes (404) are provided on the first shaft body (101) and are evenly arranged along the circumferential direction of the first shaft body (101); A stop member (403) is located in the slide groove (401) and is configured to switch between a first position and a second position. When the stop member (403) is in the second position, one end of the stop member (403) is inserted into the locking hole to lock the protective member (10). When the stop member (403) is in the first position, the stop member (403) and the locking hole (404) are separated to release the locking of the protective member (10).

3. The battery pack protection structure according to claim 2, characterized in that: The locking structure (40) also includes a solenoid valve (402) fixed on the top wall of the slide (401), which controls the switching of the stop member (403) between the first position and the second position by whether the solenoid valve (402) is energized or not.

4. The battery pack protection structure according to claim 1, characterized in that: The first support frame (20) includes two first support plates (200) spaced apart along the vehicle width direction, and the first shaft portion (101) is rotatably mounted on the two first support plates (200) of the first support frame (20).

5. The battery pack protection structure according to claim 1, characterized in that: The protective structure also includes a transmission structure, through which the rotational driving force of the power component (300) is transmitted to the first shaft part (101).

6. The battery pack protection structure according to claim 5, characterized in that: The transmission structure is a gear transmission structure.

7. The battery pack protection structure according to claim 1, characterized in that: The body part (100) has an arc-shaped surface (100a).

8. The battery pack protection structure according to claim 1, characterized in that: The second support frame (21) includes two second support plates (210) spaced apart along the vehicle width direction.

9. A battery pack protection structure according to claim 8, characterized in that: The protective component (10) also includes a second shaft part (102), one end of which is fixedly connected to the main body part (100), and the other end is rotatably mounted on the two second support plates (210) of the second support frame (21).

10. A battery pack protection structure according to claim 1, characterized in that: The power component (300) includes a motor and a reducer.

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