Battery impact test device

Abstract

The invention discloses a battery impact test device, which relates to the technical field of battery test and comprises a base fixed on the ground; the supporting frame is connected to the base through a telescopic component, and a through channel is formed in the supporting frame; the impact module is rotationally arranged in the channel through a cavity rotating shaft and is provided with a plurality of mounting planes, and through holes communicated with the channel are formed in the mounting planes; the impact heads can be mounted on the mounting plane in multiple directions; and the driving part is arranged on one side of the supporting frame and used for driving the impact module to rotate on the supporting frame so as to switch the impact heads on different mounting planes of the impact module. By arranging the impact module with multiple mounting planes, a plurality of impact heads can be mounted on the impact module along different directions so as to simulate different impact obstacles and simulation impact tests at different angles in actual conditions; and the impact heads can be freely switched in different obstacle collision experiments.

Description

Technical Field

[0001] This invention relates to the field of battery testing technology, and more specifically to a battery impact testing device. Background Technology

[0002] New energy vehicles are an important type of automobile, and the power battery is a core component of new energy vehicles. During normal driving, the power battery is frequently subjected to impacts from protruding objects on the ground, such as curbs, manhole covers, bricks, and roadblocks. These impacts can easily cause the battery to catch fire. To verify the battery's safety performance under these conditions, battery manufacturers and vehicle OEMs conduct simulated bottom impact tests during development. Existing bottom impact fixtures are fixed on a track, with a fixed type and angle, resulting in long replacement times. These fixtures cannot simulate the movement of obstacles after an impact and cannot accurately simulate real-world scenarios. Therefore, this application proposes a battery impact testing device. Summary of the Invention

[0003] The purpose of this invention is to address the shortcomings of the aforementioned technologies by proposing a battery impact testing device, which aims to solve the problems mentioned above.

[0004] This invention provides a battery impact testing apparatus, comprising: The base is fixed to the ground. The support frame is connected to the base via a telescopic component, and a through channel is provided on the support frame; The impact module is rotatably mounted in the channel via a hollow shaft and has multiple mounting surfaces, each with through holes communicating with the channel. Several impact heads can be installed on the mounting plane in multiple directions; The driving component, located on one side of the support frame, is used to drive the impact module to rotate on the support frame, thereby switching the impact heads on different mounting planes of the impact module.

[0005] Preferably, one end of the hollow shaft is provided with a ring gear, the driving component is a motor, and the output end of the driving component is driven by the ring gear through a gearbox or gear meshing. The impact module has four to eight mounting surfaces; each mounting surface is provided with a guide positioning post, and a through hole connects to the guide positioning post.

[0006] Preferably, the impact head includes a triangular impact head, a semi-circular impact head, a rectangular impact head, and a wave-shaped impact head. The telescopic component is a hydraulic push rod or an air spring.

[0007] Preferably, a ring of equally spaced threaded holes is provided on the mounting plane, and a cylindrical platform is provided at the bottom of the impact head, with an array of equally spaced circular holes opened on the cylindrical platform.

[0008] Preferably, it further includes a rotating ring, which is rotatably mounted on a guide positioning post. The rotating ring has a ring of equidistant threaded holes, and the bottom of the impact head has a cylindrical platform with a circular array of equidistant holes. It also includes an annular transmission component, one end of which has an annular bevel tooth, and one end of the rotating ring has teeth that mesh with the annular bevel tooth; the other end of the annular transmission component has an annular tooth, and a drive motor is mounted on one side of the support frame. The output end of the drive motor passes through the support frame and meshes with the annular tooth for transmission.

[0009] The mounting plane has an annular groove one, and the impact module end face has an annular groove two. Annular groove one and annular groove two are connected. The annular transmission component is rotatably mounted in annular groove two through a bearing, and the rotating ring is rotatably mounted in annular groove one through a bearing.

[0010] Preferably, it also includes a thermocouple, a camera, and a gas sampling tube, which are disposed inside the through hole.

[0011] Preferably, it also includes a locking mechanism, which is provided with a locking rod. The locking mechanism is mounted on the support frame, and multiple locking holes are provided on the end face of the annular transmission component. The locking rod is extended and retracted to engage with the locking holes to further lock the annular transmission component, so that the impact head can be firmly fixed on the impact module under the action of the conical teeth of the rotating ring meshing with the annular conical teeth.

[0012] Compared with existing technologies, it has the following beneficial effects: 1. By setting up an impact module with multiple mounting planes, multiple impact heads can be installed on it in different directions to simulate different collision obstacles and simulated impact tests at different angles in actual situations; and the impact heads can be freely switched in different collision obstacle experiments.

[0013] 2. By setting up air springs, the different heights of the impact module can be adjusted, and the stiffness of the air springs can be adjusted to simulate different loosening conditions of the impactor.

[0014] 3. By setting up a rotating ring and a ring-shaped transmission component, the angle of the impact head can be adjusted by rotating it on the mounting plane, so that the impact head can be used to conduct impact tests on the battery at different angles. Attached Figure Description

[0015] To more clearly illustrate the technical solutions in the embodiments of the present invention, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only preferred embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0016] Figure 1 This is a schematic diagram of the battery impact testing apparatus and equipment of the present invention. Figure 1 ; Figure 2 This is a schematic diagram of the battery impact testing apparatus and equipment of the present invention. Figure 2 ; Figure 3 This is a schematic diagram of the battery impact testing apparatus and equipment of the present invention. Figure 3 ; Figure 4 This is a schematic diagram of the impact module of the present invention; Figure 5 This is a schematic diagram of the drive motor configuration in Embodiment 3 of the present invention; Figure 6 This is a schematic diagram of the ring transmission component and the drive motor transmission of the present invention; Figure 7 This is a schematic diagram of the ring-shaped transmission component and the impact module of the present invention; Figure 8 This is a schematic diagram of the first annular groove and the second annular groove of the present invention; Figure 9 This is a schematic diagram of the annular groove of the present invention in the position of the mounting plane; Figure 10 This is a schematic diagram of the connection between the ring transmission component and the rotating ring transmission of the present invention.

[0017] In the diagram, 1-base; 2-support frame; 21-channel; 3-impact module; 31-cavity rotating shaft; 32-mounting plane; 33-guide positioning post; 34-annular groove one; 35-annular groove two; 311-through hole; 321-threaded hole; 4-impact head; 5-drive component; 6-ring gear; 7-rotating ring; 71-tooth; 8-ring transmission component; 81-ring bevel gear; 82-ring tooth; 9-drive motor. Detailed Implementation

[0018] To better understand the structure, functional features, and advantages of the present invention, preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings: Example 1: like Figures 1 to 4 As shown, the present invention provides a battery impact testing apparatus and equipment, comprising: Base 1, fixed to the ground; The support frame 2 is connected to the base 1 via a telescopic component, and the support frame 2 is provided with a through channel 21; The impact module 3 is rotatably mounted in the channel 21 via the cavity shaft 31 and has multiple mounting surfaces 32, with through holes 311 communicating with the channel 21 on the mounting surfaces 32. Several impact heads 4 can be installed on the mounting plane 32 in multiple directions; A fixing clamp, in conjunction with the support frame 2, clamps the hollow rotating shaft 31 of the impact module 3; The driving component 5 is located on one side of the support frame 2 and is used to drive the impact module 3 to rotate on the support frame 2 in order to switch the impact head 4 on different mounting planes 32 of the impact module 3.

[0019] The support frame 2 of this invention is made of Q235 material. Semi-circular grooves are formed on both side support walls, with smooth inner surfaces to accommodate the hollow rotating shaft 31 of the impact module 3, allowing for smooth rotation. Countersunk holes are formed on the upper surface of the support walls, into which bolts are screwed to connect the support frame 2 to the fixing frame of the impact module 3. A positioning drive component 5 with gears is arranged on the side, which can drive the hollow rotating shaft 31 to achieve Y-axis rotation of the impact module 3.

[0020] See Figure 2 One end of the hollow shaft 31 is provided with a ring gear 6, and the drive component 5 is a motor. The output end of the drive component 5 is driven by meshing with the ring gear 6 through a gearbox or gear. The impact module 3 has four to eight mounting surfaces 32; each mounting surface 32 is provided with a guide positioning post 33, and a through hole 311 is connected to the guide positioning post 33 and is connected to the channel 21 of the hollow shaft 31.

[0021] See Figure 1 straight Figure 3 The impact head 4 includes a triangular impact head, a semi-circular impact head, a rectangular impact head, and a wave-shaped impact head. The base of the impact head 4 is circular, and there is a cavity through hole 311 inside that cooperates with the guide positioning post 33 of the impact module 3, allowing for the rotation of impact heads 4 of different shapes.

[0022] Specifically, depending on the different simulation purposes and the actual situation, the end can be a triangle simulating a square manhole cover, a semicircle simulating a round manhole cover, or other road obstacle shapes.

[0023] Specifically, the telescopic component is either a hydraulic push rod or an air spring. The air spring can move the entire upper component up and down to adjust the height and stiffness, simulating the actual situation when colliding with an object on different substrates.

[0024] See Figure 2 It also includes thermocouples, cameras, and gas sampling tubes, which are located inside the through hole 311 to collect data during the impact process between different impact heads 4 and the battery.

[0025] Specifically, in this embodiment, the six rectangular mounting planes 32 of the hexagonal column of the impact module 3 have hollow positioning guide columns that cooperate with the hollow base 1 of different impact heads 4 to provide support for the impact head 4 during impact.

[0026] Working principle of the invention: The hexagonal surface of the impact module 3 has a protruding hollow shaft 31. The surface of the hollow shaft 31 is smoothly treated. The hollow shaft 31 is embedded in the support frame 2 through bearings and can rotate freely. The length of the hollow shaft 31 at one end of the impact module 3 exceeds the wall thickness of the support frame 2. The excess part is machined with tooth grooves to form a ring gear 6, which meshes with the gear of the drive component 5. The six rectangular mounting planes 32 of the hexagonal column of the impact module 3 have hollow positioning guide posts, which mesh with the hollow through holes 311 of the base 1 of the different impact heads 4 to provide support for the impact head 4 during impact.

[0027] During the test, the drive component 5 drives the ring gear 6 to rotate, thereby adjusting the position of any impact head 4 on the impact module 3, so that it impacts the battery at different angles and directions. When the device is working, the impact head 4 is fastened to the impact module 3 at a predetermined angle, realizing the angle adjustment of the Z-axis; the cavity rotating shaft 31 rotates the shaft of the impact module 3 through the gear meshing of the drive component 5, realizing the angle adjustment of the Y-axis plane, thereby simulating different obstacle angles. After completing the test of one type of impact head 4, the impact type of different impact heads 4 can be switched by rotating the cavity rotating shaft 31 of the impact module 3.

[0028] Example 2: As another embodiment of the present invention, such as Figure 4 As shown, the mounting plane 32 is provided with a ring of equidistant threaded holes 321 on the outer ring of the guide positioning post 33. The bottom of the impact head 4 is provided with a cylindrical platform, on which are circular equidistant array holes. The circular array of countersunk threaded holes 321 around the guide positioning post 33 is the same as the through hole 311 of the impact head 4, which cooperates to fasten the impact head 4. The cavity through hole 311 of the positioning guide post communicates with the cavity of the rotating shaft, providing laying space for the thermocouple, camera and gas sampling tube when the device is working.

[0029] Furthermore, the countersunk threaded hole 321 on the mounting plane 32 is used to fix the impact head 4, and by setting the positioning guide post and the cylindrical platform, the impact head 4 is rotated around the cylindrical platform to adjust the alignment of the array hole on the cylindrical platform with the countersunk threaded hole 321. Then, by bolt connection, the rotation angle of the impact head 4 on the mounting plane 32 can be adjusted.

[0030] Example 3: As another embodiment of the present invention, such as Figure 5 and Figure 10As shown, it also includes a rotating ring 7, which is rotatably mounted on the guide positioning post 33. The rotating ring 7 is provided with a ring of equidistant threaded holes 321. The bottom of the impact head 4 is provided with a cylindrical platform, and the cylindrical platform is provided with a circular equidistant array of holes, so that the array of holes and the threaded holes 321 are aligned by the cylindrical platform and the guide positioning post 33, so as to facilitate bolt connection and allow the impact head 4 to be rotatably mounted on the guide positioning post 33.

[0031] See Figures 5 to 7 as well as Figure 10 It also includes an annular transmission component 8, one end of which is provided with an annular bevel tooth 81, and one end of the rotating ring 7 is provided with teeth 71 that mesh with the annular bevel tooth 81; the other end of the annular transmission component 8 is provided with an annular tooth 82, and a drive motor 9 is provided on one side of the support frame 2, the output end of the drive motor 9 passes through the support frame 2 and meshes with the annular tooth 82 for transmission.

[0032] join Figure 8 and Figure 9 The mounting plane 32 is provided with an annular groove 34, and the end face of the impact module 3 is provided with an annular groove 35. The annular groove 34 and the annular groove 35 are connected. The annular transmission component 8 is rotatably disposed in the annular groove 35 through a bearing, and the rotating ring 7 is rotatably disposed in the annular groove 34 through a bearing.

[0033] Furthermore, it also includes a locking mechanism, which is equipped with a locking rod and is mounted on the support frame 2. The end face of the annular transmission component 8 is provided with multiple locking holes. The locking rod is extended and retracted to engage with the locking holes to further lock the annular transmission component 8, so that the impact head 4 can be firmly fixed on the impact module 3 under the action of the beveled teeth 71 of the rotating ring 7 meshing with the annular bevel teeth 81.

[0034] Furthermore, the locking mechanism is a magnetic lock, which uses an electric wire to control the extension and retraction of the locking rod to lock and unlock the annular transmission component 8.

[0035] The above are merely preferred embodiments of the present invention and are not intended to limit the present invention in any way. Any person skilled in the art can make many possible variations and modifications to the technical solutions of the present invention, or modify them into equivalent embodiments, without departing from the scope of the present invention. Therefore, any modifications, equivalent changes, and alterations made to the above embodiments based on the technology of the present invention without departing from the scope of the present invention are within the protection scope of the present invention.

Claims

1. A battery impact testing device, characterized in that... ,include: The base (1) is fixed to the ground; The support frame (2) is connected to the base (1) via a telescopic component, and the support frame (2) is provided with a through channel (21). The impact module (3) is rotatably disposed in the channel (21) via a cavity rotating shaft (31) and has multiple mounting planes (32). The mounting planes (32) are provided with through holes (311) communicating with the channel (21). Several impact heads (4) can be installed on the mounting plane (32) in multiple directions; A drive component (5) is provided on one side of the support frame (2) to drive the impact module (3) to rotate on the support frame (2) to switch the impact head (4) on different mounting planes (32) of the impact module (3).

2. The battery impact testing apparatus according to claim 1, characterized in that, One end of the hollow shaft (31) is provided with a ring gear (6), the driving component (5) is a motor, and the output end of the driving component (5) is meshed with the ring gear (6) through a gearbox or gear.

3. The battery impact testing apparatus according to claim 2, characterized in that, The impact module (3) has four to eight mounting surfaces (32); each mounting surface (32) is provided with a guide positioning post (33), and the through hole (311) is connected to the guide positioning post (33).

4. The battery impact testing apparatus according to claim 2, characterized in that, The impact head (4) includes a triangular impact head (4), a semi-circular impact head (4), a rectangular impact head (4), and a wave-shaped impact head (4).

5. The battery impact testing apparatus according to claim 3, characterized in that, A ring of equidistant threaded holes (321) is provided on the mounting plane (32), and a cylindrical platform is provided at the bottom of the impact head (4), with a circular equidistant array of holes opened on the cylindrical platform.

6. The battery impact testing apparatus according to claim 3, characterized in that, It also includes a rotating ring (7), which is rotatably mounted on the guide positioning post (33). The rotating ring (7) is provided with a ring of equidistant threaded holes (321). The bottom of the impact head (4) is provided with a cylindrical platform, and the cylindrical platform is provided with a circular equidistant array of holes.

7. The battery impact testing apparatus according to claim 6, characterized in that, It also includes an annular transmission component (8), one end of which is provided with an annular bevel tooth (81), and one end of the rotating ring (7) is provided with a tooth (71) that meshes with the annular bevel tooth (81); the other end of the annular transmission component (8) is provided with an annular tooth (82), and a drive motor (9) is provided on one side of the support frame (2), and the output end of the drive motor (9) passes through the support frame (2) and meshes with the annular tooth (82) for transmission.

8. The battery impact testing apparatus according to claim 7, characterized in that, The mounting plane (32) is provided with an annular groove one (34), and the end face of the impact module (3) is provided with an annular groove two (35). The annular groove one (34) and the annular groove two (35) are connected. The annular transmission component (8) is rotatably disposed in the annular groove two (35) through a bearing, and the rotating ring (7) is rotatably disposed in the annular groove one (34) through a bearing.

9. The battery impact testing apparatus according to claim 1, characterized in that, The telescopic component is a hydraulic push rod or an air spring.

10. The battery impact testing apparatus according to any one of claims 1 to 9, characterized in that, It also includes a thermocouple, a camera, and a gas sampling tube, which are disposed in the through hole (311).

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