Impact detection device for battery pack

Abstract

The utility model relates to an impact detection device for a battery pack, which comprises a bottom plate, the top of the bottom plate is fixedly connected with a frame body, the top of the bottom plate is provided with a limiting assembly, the surface of the frame body is provided with a detection assembly, and the detection assembly comprises an electric push rod fixedly connected with the top of the bottom plate. A connecting plate is fixedly connected to the top of the electric push rod, and a fixing plate is fixedly connected to the front face of the connecting plate. According to the impact detection device for the battery pack, the battery pack needing to be detected is placed on the detection table, the battery pack is limited through a limiting assembly, an electric push rod is started to drive a connecting plate and a fixing plate to move, the fixing plate moves to drive an impact head to be adjusted up and down, and after adjustment is completed, a motor is started to drive a cam to rotate; the rotating cam is matched with the spring to realize up-down reciprocating motion of the limiting plate, the telescopic rod, the mounting plate and the impact head, and the impact head can perform reciprocating impact on the battery pack through up-down reciprocating motion, so that the purpose of impact resistance detection is realized.

Description

Technical Field

[0001] The utility model relates to the technical field of battery pack detection, in particular to an impact detection device for a battery pack. Background Art

[0002] New energy battery packs are mainly used in new energy vehicles. New energy vehicles refer to vehicles that use unconventional automotive fuels as their power source and integrate advanced technologies in vehicle power control and drive to form vehicles with advanced technical principles, new technologies and new structures. New energy vehicles include four major types of hybrid electric vehicles, pure electric vehicles, fuel cell electric vehicles and other new energy vehicles. At present, the energy storage and distribution systems of new energy vehicles are composed of battery packs and high-voltage boxes respectively. The battery output end inside the battery pack is connected in series with fuses, main contactors and other distribution control contactors.

[0003] During the production and processing of new energy battery packs, the vehicle battery packs need to be subjected to impact resistance testing. The existing impact resistance testing devices for battery packs cannot be adjusted according to the size of the battery packs during use. The design size is relatively fixed and the practicality is general. Therefore, an impact detection device for battery packs is proposed to solve the above problem. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides an impact detection device for a battery pack, which has the advantages of convenient adjustment and wide application range, and solves the problems mentioned in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical solution: an impact detection device for a battery pack, comprising a bottom plate, a frame body is fixedly connected to the top of the bottom plate, a limit assembly is arranged on the top of the bottom plate, and a detection assembly is arranged on the surface of the frame body;

[0006] The detection component includes an electric push rod fixedly connected to the top of the base plate, the top of the electric push rod is fixedly connected to a connecting plate, the front of the connecting plate is fixedly connected to a fixing plate, the inside of the fixing plate is movably connected to a telescopic rod, the bottom of the telescopic rod is fixedly connected to a mounting plate, the bottom of the mounting plate is fixedly connected to an impact head, a spring is sleeved on the outer surface of the telescopic rod, the top of the telescopic rod is fixedly connected to a limiting plate, the top of the fixing plate is fixedly connected to a motor, the outer surface of the motor output shaft is fixedly connected to a cam, and the bottom of the limiting plate is fixedly connected to a stabilizing seat.

[0007] Furthermore, the front side of the connecting plate is limited to be slidably connected to the inside of the frame, and the fixing plate is slidably connected to the front side of the frame.

[0008] Furthermore, the cam is rotatably connected to the top of the stabilizing seat, and the telescopic rod passes through the fixing plate.

[0009] Furthermore, a support platform is fixedly connected to the top of the base plate, and a detection platform is fixedly connected to the top of the support platform.

[0010] Furthermore, the top of the base plate is fixedly connected to a bracket, the top of the bracket is fixedly connected to a connecting frame, the connecting frame is rotatably connected to a rotating part inside, the connecting frame is rotatably connected to a rotating rod inside, the outer surface of the rotating rod is fixedly connected to a connecting rod, the bottom of the connecting rod is fixedly connected to a limiting head, the outer surface of the connecting frame is rotatably connected to a handle, and the rotating part is fixedly connected to the rotating rod.

[0011] Furthermore, the outer surface of the handle is provided with anti-slip grooves, and the rotating member is connected to the handle via a connecting shaft.

[0012] Compared with the prior art, the technical solution of this application has the following beneficial effects:

[0013] 1. The impact detection device for battery packs places the battery pack to be detected on the detection table, limits the battery pack through the limit assembly, starts the electric push rod to drive the connecting plate and the fixed plate to move, and the fixed plate moves to drive the impact head to adjust up and down. After the adjustment is completed, the motor is started to drive the cam to rotate. The rotating cam cooperates with the spring to realize the up and down reciprocating movement of the limit plate, telescopic rod, mounting plate and impact head. The up and down reciprocating impact head can reciprocate the battery pack to achieve the purpose of impact resistance detection.

[0014] 2. The impact detection device for the battery pack, rotating the handle drives the rotating part and the rotating rod to rotate, the rotating rod rotates to drive the connecting rod and the limit head to rotate, the battery pack is placed on the detection table, and the handle is rotated in the opposite direction to limit the battery pack on the detection table. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 This is a schematic diagram of another viewing angle of the present utility model;

[0017] Figure 3 This is a schematic diagram of the limit assembly of the utility model;

[0018] Figure 4 This is a schematic diagram of the detection component of the utility model.

[0019] In the figure: 1 bottom plate, 2 frame, 3 limit assembly, 301 bracket, 302 connecting frame, 303 rotating part, 304 handle, 305 limit head, 306 rotating rod, 307 connecting rod, 4 detection assembly, 401 electric push rod, 402 connecting plate, 403 fixing plate, 404 telescopic rod, 405 mounting plate, 406 impact head, 407 limit plate, 408 spring, 409 motor, 410 cam, 411 stable seat, 5 support table, 6 detection table. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-4 In this embodiment, an impact detection device for a battery pack includes a base plate 1, a frame 2 is fixedly connected to the top of the base plate 1, a limiting component 3 is arranged on the top of the base plate 1, and a detection component 4 is arranged on the surface of the frame 2.

[0022] Among them, the detection component 4 includes an electric push rod 401 fixedly connected to the top of the base plate 1, the top of the electric push rod 401 is fixedly connected to a connecting plate 402, the front of the connecting plate 402 is fixedly connected to a fixed plate 403, the fixed plate 403 is movably connected to a telescopic rod 404 inside, the bottom of the telescopic rod 404 is fixedly connected to a mounting plate 405, the bottom of the mounting plate 405 is fixedly connected to an impact head 406, the outer surface of the telescopic rod 404 is sleeved with a spring 408, the top of the telescopic rod 404 is fixedly connected to a limiting plate 407, the top of the fixed plate 403 is fixedly connected to a motor 409, the outer surface of the output shaft of the motor 409 is fixedly connected to a cam 410, and the bottom of the limiting plate 407 is fixedly connected to a stabilizing seat 411. By setting the stabilizing seat 411, the cam 410 can be made more stable when rotating.

[0023] Secondly, the front of the connecting plate 402 is limited to be slidably connected to the inside of the frame 2, the fixing plate 403 is slidably connected to the front of the frame 2, the cam 410 is rotatably connected to the top of the stable seat 411, and the telescopic rod 404 passes through the fixing plate 403. The top of the bottom plate 1 is fixedly connected to the support platform 5, and the top of the support platform 5 is fixedly connected to the detection platform 6.

[0024] In addition, the top of the bottom plate 1 is fixedly connected to a bracket 301, the top of the bracket 301 is fixedly connected to a connecting frame 302, the connecting frame 302 is rotatably connected to a rotating member 303, the connecting frame 302 is rotatably connected to a rotating rod 306, the outer surface of the rotating rod 306 is fixedly connected to a connecting rod 307, the bottom of the connecting rod 307 is fixedly connected to a limited position head 305, the outer surface of the connecting frame 302 is rotatably connected to a handle 304, and the rotating member 303 is fixedly connected to the rotating rod 306. The outer surface of the handle 304 is provided with anti-skid patterns to minimize hand slippage when using the handle 304. The rotating member 303 is connected to the handle 304 through a connecting shaft.

[0025] The working principle of the above embodiment is:

[0026] (1) The impact detection device for battery packs places the battery pack to be detected on the detection table 6, limits the battery pack by the limit assembly 3, starts the electric push rod 401 to drive the connecting plate 402 and the fixed plate 403 to move, and the fixed plate 403 moves to drive the impact head 403 to adjust up and down. After the adjustment is completed, the start motor 409 drives the cam 410 to rotate. The rotating cam 410 cooperates with the spring 408 to realize the reciprocating movement of the limit plate 407, the telescopic rod 404, the mounting plate 405 and the impact head 406. The reciprocating movement of the impact head 406 can reciprocate the battery pack to achieve the purpose of anti-impact detection.

[0027] (2) The impact detection device for the battery pack, rotating the handle 304 drives the rotating member 303 and the rotating rod 306 to rotate, and the rotating rod 306 rotates to drive the connecting rod 307 and the limiting head 305 to rotate, and the battery pack is placed on the detection table 6. The battery pack can be limited on the detection table 6 by rotating the handle 304 in the opposite direction.

[0028] It should be noted that, in this article, relational terms such as first and second, 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 "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An impact detection device for a battery pack, comprising a base plate (1), characterized in that: The top of the bottom plate (1) is fixedly connected to a frame body (2), a limit component (3) is arranged on the top of the bottom plate (1), and a detection component (4) is arranged on the surface of the frame body (2); The detection component (4) comprises an electric push rod (401) fixedly connected to the top of the base plate (1); the top of the electric push rod (401) is fixedly connected to a connecting plate (402); the front of the connecting plate (402) is fixedly connected to a fixing plate (403); a telescopic rod (404) is movably connected inside the fixing plate (403); the bottom of the telescopic rod (404) is fixedly connected to a mounting plate (405); the bottom of the mounting plate (405) is fixedly connected to an impact head (406); a spring (408) is sleeved on the outer surface of the telescopic rod (404); the top of the telescopic rod (404) is fixedly connected to a limiting plate (407); the top of the fixing plate (403) is fixedly connected to a motor (409); the outer surface of the output shaft of the motor (409) is fixedly connected to a cam (410); and the bottom of the limiting plate (407) is fixedly connected to a stabilizing seat (411).

2. The impact detection device for a battery pack according to claim 1, characterized in that: The front side of the connecting plate (402) is limitedly slidably connected to the inside of the frame (2), and the fixing plate (403) is slidably connected to the front side of the frame (2).

3. The impact detection device for a battery pack according to claim 1, characterized in that: The cam (410) is rotatably connected to the top of the stabilizing seat (411), and the telescopic rod (404) passes through the fixing plate (403).

4. The impact detection device for a battery pack according to claim 1, characterized in that: The top of the base plate (1) is fixedly connected to a support platform (5), and the top of the support platform (5) is fixedly connected to a detection platform (6).

5. The impact detection device for a battery pack according to claim 1, characterized in that: The top of the bottom plate (1) is fixedly connected to a bracket (301), the top of the bracket (301) is fixedly connected to a connecting frame (302), the connecting frame (302) is rotatably connected to a rotating member (303) inside, the connecting frame (302) is rotatably connected to a rotating rod (306) inside, the outer surface of the rotating rod (306) is fixedly connected to a connecting rod (307), the bottom of the connecting rod (307) is fixedly connected to a limiting head (305), the outer surface of the connecting frame (302) is rotatably connected to a handle (304), and the rotating member (303) and the rotating rod (306) are fixedly connected.

6. The impact detection device for a battery pack according to claim 5, characterized in that: The outer surface of the handle (304) is provided with anti-slip grooves, and the rotating member (303) is connected to the handle (304) via a connecting shaft.

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