New energy automobile battery pack test and inspection device

By designing a battery pack testing device for multi-angle puncture and fire suppression systems, the problem of incomplete battery pack detection in the prior art is solved, and a more rigorous and safe detection effect is achieved.

CN223205342UActive Publication Date: 2025-08-08CHONGQING SANDIAN ENERGY TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422266351.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-18
Publication Date
2025-08-08
Estimated Expiration
2034-09-18

AI Technical Summary

Technical Problem

The existing battery pack puncture experiments cannot simulate the scene of sharp objects tilting into the car during driving, resulting in insufficient comprehensive and safe detection.

Method used

A new energy vehicle battery pack testing and inspection device was designed, and the angle of the puncture needle was adjusted through the motor drive screw and tooth plate mechanism, and multi-angle puncture was achieved with hydraulic rods. It was equipped with a pyrotechnic sensor and a water pump system to suppress fire.

Benefits of technology

It improves the rigor and comprehensiveness of battery pack detection, can quickly extinguish the fire when a fire occurs, and improves the safety of the detection experiment.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of automobile battery packs, in particular to a new energy automobile battery pack testing and checking device which comprises a bottom plate and a battery pack body. The motor drives the screw rod to rotate, the screw rod drives the toothed plate to transversely move, the toothed plate drives the semicircular gear part at the bottom of the rotating block to rotate so as to drive the rotating block to rotate between the two rectangular plates, the rotating block drives the hydraulic rod and the puncture needle to rotate, and therefore the puncture angle of the puncture needle can be adjusted through the motor. The movable end of the hydraulic rod can drive the puncture needle to puncture the battery pack body, so that the bottom of the battery pack body can be punctured from different angles, the preciseness and comprehensiveness of detection are improved, when the battery pack body is on fire due to a puncture experiment, the smoke sensing fire sensor can detect the fire, and the water pump is controlled to work, so that the safety of detection is improved. And water in the water tank is pumped out by the water pump, passes through the shunt pipe and then is sprayed out through the nozzle, so that the fire is inhibited at the first time, and the safety of a detection experiment is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of automobile battery packs, in particular to a testing and inspection device for a new energy automobile battery pack. Background Art

[0002] As battery packs enter the mass production stage as a key component, ensuring equipment quality becomes a primary issue. After the existing battery packs are produced, they will also be subjected to some tests, such as puncture tests, to simulate the car being hit or pierced by sharp objects while driving, to detect whether the battery pack will catch fire.

[0003] However, some current puncture tests use a puncture needle to penetrate vertically from the bottom of the battery pack. In actual scenarios, the penetration angle that causes damage to the car by sharp objects on the road while the car is driving is mostly inclined. Therefore, the puncture test on the battery pack needs to be conducted from multiple angles. To this end, we propose a new energy vehicle battery pack testing and inspection device to solve the above problem. Utility Model Content

[0004] The purpose of the present invention is to provide a new energy vehicle battery pack testing and inspection device to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned objectives, the present invention provides the following technical solutions: a new energy vehicle battery pack testing and inspection device, comprising a base plate and a battery pack body, the top of the base plate is fixedly connected to two vertical plates, a horizontal plate is fixedly connected between the two vertical plates, a puncture hole is opened on the top of the horizontal plate, the battery pack body is placed on the top of the horizontal plate, the top of the base plate is fixedly connected to two fixed plates, a screw is rotatably connected between the two fixed plates, the outer side of the screw is threadedly connected to a tooth plate, the top of the base plate is fixedly connected to a slide rail, the tooth plate is slidably connected to the slide rail, the top of the base plate is fixedly connected to two rectangular plates, a rotating block is rotatably connected between the two rectangular plates via a rotating shaft, the bottom of the rotating block is set to a semicircular gear part and meshes with the tooth plate, the top of the rotating block is fixedly connected to a hydraulic rod, and the movable end of the hydraulic rod is fixedly connected to a puncture needle.

[0006] Further preferably, the top of the vertical plate is fixedly connected to a top plate, the bottom of the top plate is fixedly connected to two electric push rods, and the movable ends of the electric push rods are fixedly connected to a pressure plate.

[0007] Further preferably, the top of the top plate is fixedly connected to a water tank, the top of the water tank is fixedly connected to a water pump, and the water inlet of the water pump extends to the interior of the water tank.

[0008] Further preferably, a nozzle is fixedly connected to one side of the two vertical plates close to each other, and the nozzle is arranged at an angle.

[0009] Further preferably, the water outlet of the water pump is connected to a diversion pipe, and both ends of the diversion pipe are connected to corresponding nozzles.

[0010] Further preferably, a smoke fire sensor is fixedly connected to the bottom of the top plate.

[0011] Further preferably, a motor is fixedly connected to the left side of the left fixing plate, and the output shaft end of the motor is fixedly connected to the left end of the screw.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention first drives the pressure plate to press and fix the battery pack body through the electric push rod, starts the motor, the motor drives the screw to rotate, the screw drives the gear plate to move horizontally, the gear plate slides on the outside of the slide rail, and the gear plate drives the semicircular gear part at the bottom of the rotating block to rotate, thereby driving the rotating block to rotate between the two rectangular plates, and the rotating block drives the hydraulic rod and the puncture needle to rotate, so that the puncture angle of the puncture needle can be adjusted by the motor, and the movable end of the hydraulic rod can drive the puncture needle to puncture the battery pack body, so that the bottom of the battery pack body can be punctured from different angles, thereby improving the rigor and comprehensiveness of the detection. When the battery pack body catches fire due to the puncture test, the smoke fire sensor can detect it and control the water pump to work. The water pump draws out the water in the water tank and sprays it out through the diversion pipe and then through the nozzle, thereby suppressing the fire in the first time and improving the safety of the detection experiment. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main plane structure of the utility model;

[0014] Figure 2 for Figure 1 Schematic diagram of the enlarged three-dimensional structure of area A in the middle.

[0015] In the figure: 1. Bottom plate; 2. Vertical plate; 3. Horizontal plate; 4. Puncture hole; 5. Battery pack body; 6. Fixed plate; 7. Screw; 8. Tooth plate; 9. Slide rail; 10. Rectangular plate; 11. Rotating shaft; 12. Rotating block; 13. Hydraulic rod; 14. Puncture needle; 15. Top plate; 16. Water tank; 17. Water pump; 18. Electric push rod; 19. Press plate; 20. Diverter pipe; 21. Nozzle; 22. Smoke fire sensor; 23. Motor. DETAILED DESCRIPTION

[0016] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0017] Example

[0018] See also Figure 1-2 The utility model provides a technical solution: a new energy vehicle battery pack testing and inspection device, including a base plate 1 and a battery pack body 5. The top of the base plate 1 is fixedly connected to two vertical plates 2, and a horizontal plate 3 is fixedly connected between the two vertical plates 2. A puncture hole 4 is opened on the top of the horizontal plate 3. The battery pack body 5 is placed on the top of the horizontal plate 3. The top of the base plate 1 is fixedly connected to two fixed plates 6, and a screw 7 is rotatably connected between the two fixed plates 6. The outer side of the screw 7 is threadedly connected to a toothed plate 8. The top of the base plate 1 is fixedly connected to a slide rail 9, and the toothed plate 8 is slidably connected to the slide rail 9. The top of the base plate 1 is fixedly connected to two rectangular plates 10, and a rotating block 12 is rotatably connected between the two rectangular plates 10 through a rotating shaft 11. The bottom of the rotating block 12 is set to a semicircular gear part and meshes with the toothed plate 8. The top of the rotating block 12 is fixedly connected to a hydraulic rod 13, and the movable end of the hydraulic rod 13 is fixedly connected to a puncture needle 14. When in use, the pressure plate 19 is first driven by the electric push rod 18 The battery pack body 5 is pressed and fixed, and the motor 23 is started. The motor 23 drives the screw 7 to rotate, and the screw 7 drives the gear plate 8 to move horizontally. The gear plate 8 slides on the outside of the slide rail 9, and the gear plate 8 drives the semicircular gear part at the bottom of the rotating block 12 to rotate, thereby driving the rotating block 12 to rotate between the two rectangular plates 10. The rotating block 12 drives the hydraulic rod 13 and the puncture needle 14 to rotate, so that the puncture angle of the puncture needle 14 can be adjusted by the motor 23. The movable end of the hydraulic rod 13 can drive the puncture needle 14 to puncture the battery pack body 5, so that the bottom of the battery pack body 5 can be punctured from different angles, thereby improving the rigor and comprehensiveness of the detection. When the battery pack body 5 catches fire due to the puncture test, the smoke fire sensor 22 can detect it and control the water pump 17 to work. The water pump 17 pumps out the water in the water tank 16 and sprays it out through the shunt pipe 20 and then through the nozzle 21, thereby suppressing the fire in the first time and improving the safety of the detection experiment.

[0019] In this embodiment, specifically: the top of the vertical plate 2 is fixedly connected to the top plate 15, the bottom of the top plate 15 is fixedly connected to two electric push rods 18, and the movable ends of the electric push rods 18 are fixedly connected to the pressure plate 19;

[0020] In this embodiment, specifically: a water tank 16 is fixedly connected to the top of the top plate 15, a water pump 17 is fixedly connected to the top of the water tank 16, and a water inlet of the water pump 17 extends into the interior of the water tank 16;

[0021] In this embodiment, specifically: a nozzle 21 is fixedly connected to one side of the two vertical plates 2 that are close to each other, and the nozzle 21 is arranged obliquely;

[0022] In this embodiment, specifically: the water outlet of the water pump 17 is connected to a diverter pipe 20, and both ends of the diverter pipe 20 are connected to corresponding nozzles 21;

[0023] In this embodiment, specifically: a smoke fire sensor 22 is fixedly connected to the bottom of the top plate 15;

[0024] In this embodiment, specifically: the left side of the left fixing plate 6 is fixedly connected with the motor 23 , and the output shaft end of the motor 23 is fixedly connected to the left end of the screw rod 7 .

[0025] The utility model is in operation: when in use, first the electric push rod 18 drives the pressure plate 19 to press and fix the battery pack body 5, and the motor 23 is started. The motor 23 drives the screw 7 to rotate, and the screw 7 drives the tooth plate 8 to move horizontally. The tooth plate 8 slides on the outside of the slide rail 9, and the tooth plate 8 drives the semicircular gear part at the bottom of the rotating block 12 to rotate, thereby driving the rotating block 12 to rotate between the two rectangular plates 10. The rotating block 12 drives the hydraulic rod 13 and the puncture needle 14 to rotate, so that the penetration of the puncture needle 14 can be adjusted by the motor 23. The movable end of the hydraulic rod 13 can drive the puncture needle 14 to puncture the battery pack body 5, so that the bottom of the battery pack body 5 can be punctured from different angles, thereby improving the rigor and comprehensiveness of the detection. When the battery pack body 5 catches fire due to the puncture test, the smoke fire sensor 22 can detect it and control the water pump 17 to work. The water pump 17 draws out the water in the water tank 16 and sprays it out through the shunt pipe 20 and then through the nozzle 21, thereby suppressing the fire in the first time and improving the safety of the detection experiment.

[0026] Although the 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 variations may be made to these embodiments without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A new energy vehicle battery pack testing and inspection device, comprising a base plate (1) and a battery pack body (5), characterized in that: The top of the bottom plate (1) is fixedly connected to two vertical plates (2), a horizontal plate (3) is fixedly connected between the two vertical plates (2), a puncture hole (4) is provided on the top of the horizontal plate (3), the battery pack body (5) is placed on the top of the horizontal plate (3), the top of the bottom plate (1) is fixedly connected to two fixed plates (6), a screw (7) is rotatably connected between the two fixed plates (6), the outer side of the screw (7) is threadedly connected to a tooth plate (8), the top of the bottom plate (1) is fixedly connected to the vertical plate (2), a puncture hole (4) is provided on the top of the horizontal plate (3), the battery pack body (5) is placed on the top of the horizontal plate (3), the battery pack body (5) is placed on the top of the horizontal plate (3), the battery pack body (5) is placed on the top of the horizontal plate (3), the battery pack body (5) is fixedly connected to two fixed plates (6), a screw (7) is rotatably connected between the two fixed plates (6), the outer side of the screw (7) is threadedly connected to the tooth plate (8), the battery pack body (5) is placed on the top of the horizontal plate (3 ... A slide rail (9) is fixedly connected to the tooth plate (8) and is slidably connected to the slide rail (9). Two rectangular plates (10) are fixedly connected to the top of the base plate (1). A rotating block (12) is rotatably connected between the two rectangular plates (10) via a rotating shaft (11). The bottom of the rotating block (12) is provided with a semicircular gear portion and meshes with the tooth plate (8). A hydraulic rod (13) is fixedly connected to the top of the rotating block (12), and a puncture needle (14) is fixedly connected to the movable end of the hydraulic rod (13).

2. A new energy vehicle battery pack testing and inspection device according to claim 1, characterized in that: The top of the vertical plate (2) is fixedly connected to a top plate (15), the bottom of the top plate (15) is fixedly connected to two electric push rods (18), and the movable ends of the electric push rods (18) are fixedly connected to a pressure plate (19).

3. A new energy vehicle battery pack testing and inspection device according to claim 2, characterized in that: The top of the top plate (15) is fixedly connected to a water tank (16), the top of the water tank (16) is fixedly connected to a water pump (17), and the water inlet of the water pump (17) extends to the interior of the water tank (16).

4. A new energy vehicle battery pack testing and inspection device according to claim 3, characterized in that: A spray head (21) is fixedly connected to one side of the two vertical plates (2) that are close to each other, and the spray head (21) is arranged at an angle.

5. A new energy vehicle battery pack testing and inspection device according to claim 4, characterized in that: The water outlet of the water pump (17) is connected to a diversion pipe (20), and both ends of the diversion pipe (20) are connected to corresponding nozzles (21).

6. A new energy vehicle battery pack testing and inspection device according to claim 5, characterized in that: A smoke fire sensor (22) is fixedly connected to the bottom of the top plate (15).

7. A new energy vehicle battery pack testing and inspection device according to claim 6, characterized in that: The left side of the fixed plate (6) on the left side is fixedly connected to a motor (23), and the output shaft end of the motor (23) is fixedly connected to the left end of the screw rod (7).