Power battery pack whole pack vibration experiment platform

Abstract

The utility model relates to the technical field of power battery packs, and particularly discloses a whole power battery pack vibration experiment platform which comprises a vibration seat and two pressing devices arranged on the vibration seat, and each pressing device comprises a rotating plate arranged on the upper end face of the vibration seat and a movable plate moving on the top of the outer surface of the rotating plate. According to the utility model, through the vibration seat and the pressing device, an effect of clamping battery packs with different sizes can be realized, a vibration experiment of the vibration seat on the battery packs is not influenced, the battery packs are placed in the middle of the vibration seat, and under the action of the damping hinge, the two rotating plates rotate towards the direction of the battery packs, so that the pressing plates clamp the battery packs; and the position of one pressing device can be adjusted through movement of the sliding block, so that battery packs of different sizes can be conveniently clamped, and when the battery packs vibrate, the pressing plate can move along with the movement of the battery packs, so that vibration detection of the battery packs is not affected while the battery packs are limited.

Description

Technical Field

[0001] The utility model relates to the technical field of power battery packs, in particular to a whole-pack vibration test platform for power battery packs. Background Art

[0002] A power battery pack (PACK) is usually composed of a battery pack, bus, flexible connection, protection board, outer packaging, connector, and auxiliary materials such as barley paper and plastic bracket.

[0003] During the production process of power battery packs, according to product requirements, a series of simulation experiments need to be carried out on single cells or modules in the laboratory. The experiments include vibration, mechanical shock, simulated collision, etc. At present, a new experimental requirement has been proposed for power battery packs produced by the module integration process. It is necessary to carry out a comprehensive vibration test on the integrated power battery pack. The clamping structure of the traditional experimental device can only carry out vibration tests on single cells or single modules, but it is not applicable to power battery packs of different sizes. Utility Model Content

[0004] In view of the deficiencies in the prior art, the utility model provides a vibration test platform for a whole power battery pack, which solves the technical problem that the test platform is inconvenient for clamping power battery packs of different sizes.

[0005] The utility model provides a whole-pack vibration test platform for a power battery pack, comprising a vibration base and two pressers arranged on the vibration base, wherein the two pressers are respectively arranged on both sides of the upper end surface of the vibration base;

[0006] The presser includes a rotating plate arranged on the upper end surface of the vibration seat and a movable plate movable on the top of the outer surface of the rotating plate, a movable groove adapted to the rotating plate is opened at the bottom of the movable plate, the rotating plate is inserted into the movable groove, a spring is arranged inside the movable groove of the movable plate, two ends of the spring are respectively connected to the inner wall of the movable groove and the rotating plate, and a pressing plate is fixedly arranged on the top of the movable plate.

[0007] As a further improvement of the present invention, the pressing plate is in a hook structure as a whole, and the top of the pressing plate is in an arc structure.

[0008] As a further improvement of the utility model, a slide groove is provided on the upper end surface of the vibration seat at the position of the rotating plate, and a slider is provided inside the slide groove. One of the rotating plates is connected to the upper end surface of the slider through a damping hinge, and the other rotating plate is connected to the upper end surface of the vibration seat through a damping hinge.

[0009] As a further improvement of the utility model, a screw is inserted into one side of the vibration seat, one end of the screw corresponds to the slide groove and extends inside the slide groove, and the end of the screw located inside the slide groove is connected to the slider through a bearing.

[0010] As a further improvement of the utility model, two bases are provided below the vibration seat, the two bases are arranged front and back and have a spacing therebetween, and a vibrator and a vibration enhancer are provided between the vibration seat and the bases.

[0011] As a further improvement of the utility model, the vibrator includes a vibration plate arranged on the upper end surface of the base and a vibration rod movably connected to the inside of the vibration plate, a vibration cavity is opened inside the vibration plate, the bottom of the vibration rod is inserted into the vibration cavity, the top of the vibration rod is fixed to the lower end surface of the vibration seat, and a vibration motor is arranged inside the vibration cavity of the vibration plate, and the vibration motor is connected to the vibration rod.

[0012] As a further improvement of the utility model, the vibration enhancer includes two connecting rods and an airbag arranged between the two connecting rods, the two connecting rods are respectively connected to the side where the vibration seat and the base are close to each other, and the ends of the two connecting rods close to each other are connected to the airbag.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. The utility model can achieve the effect of clamping battery packs of different sizes through the vibration seat and the presser, and will not affect the vibration experiment of the battery pack by the vibration seat. The battery pack is placed in the middle of the vibration seat. Under the action of the damping hinge, the two rotating plates rotate toward the battery pack, so that the pressing plate clamps the battery pack, and the movement of the slider can adjust the position of one of the pressers, so as to facilitate the clamping of battery packs of different sizes, and when the battery pack vibrates, the pressing plate will move with the movement of the battery pack, so as to limit the battery pack without affecting the vibration detection of the battery pack.

[0015] 2. The utility model uses a vibration enhancer disposed between the vibration seat and the base to press the airbag during the vibration of the vibration seat, causing the airbag to bounce, thereby increasing the vibration effect and providing vibration buffering when the work stops. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation on the present application. In the drawings:

[0017] Figure 1 This is a schematic diagram of the overall front cross-sectional structure of the utility model;

[0018] Figure 2 This is a schematic diagram of the three-dimensional structure of the vibration seat of the utility model;

[0019] Figure 3It is a schematic diagram of the overall side structure of the utility model.

[0020] In the figure: 1. Vibration seat;

[0021] 2. Movable board;

[0022] 3. Press plate;

[0023] 4. Rotating plate;

[0024] 5. Spring;

[0025] 6. Chute;

[0026] 7. Slider;

[0027] 8. Screw;

[0028] 9. Base;

[0029] 10. Vibration plate;

[0030] 11. Vibration motor;

[0031] 12. Vibrating rod;

[0032] 13. Vibration amplifier. DETAILED DESCRIPTION

[0033] The following will disclose multiple embodiments of the utility model with diagrams. For the purpose of clear description, many physical details will be described together in the following description. However, it should be understood that these physical details should not be used to limit the utility model. In other words, in some embodiments of the utility model, these physical details are not necessary. In addition, for the purpose of simplifying the diagram, some conventional structures and components will be depicted in a simple schematic manner in the diagram.

[0034] In addition, the technical solutions between the various embodiments can be combined with each other, but it must be based on the fact that ordinary technicians in the field can implement it. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0035] See also Figure 1-3 The utility model of the power battery pack whole package vibration experimental platform, in this application, includes a vibration seat 1 and two pressers arranged on the vibration seat 1, the two pressers are respectively arranged on both sides of the upper end surface of the vibration seat 1; the presser includes a rotating plate 4 arranged on the upper end surface of the vibration seat 1 and a movable plate 2 movable on the top of the outer surface of the rotating plate 4, the bottom of the movable plate 2 is provided with a movable groove adapted to the rotating plate 4, the rotating plate 4 is inserted into the movable groove, a spring 5 is arranged inside the movable groove of the movable plate 2, the two ends of the spring 5 are respectively connected to the inner wall of the movable groove and the rotating plate 4, and a pressing plate 3 is fixed on the top of the movable plate 2.

[0036] In this embodiment, the positions of the two pressers are symmetrical with respect to the center point of the vibration seat 1, one of which is set at a fixed position, and the other is set movably;

[0037] The presser comprises a rotating plate 4 connected by a damping hinge, a movable plate 2 connected to the outer surface of the rotating plate 4 by a spring 5, and a pressing plate 3 with a hook structure on the top of the movable plate 2. A return spring 5 is provided inside the damping hinge to enable the rotating plate 4 to always rotate toward the center direction of the vibration seat 1, thereby facilitating the fixation of the battery pack. A movable groove is provided on the lower end surface of the movable plate 2, and the rotating plate 4 is inserted into the inside of the movable groove so that the movable plate 2 can slide and move on the outer surface of the rotating plate 4. When the battery pack is vibrated and jumps, the pressing plate 3 moves with the battery pack, driving the movable plate 2 to slide on the outer surface of the rotating plate 4, and due to the action of the spring 5, the pressing plate 3 is always pressed on the upper end surface of the battery pack, and does not affect the vibration detection of the battery pack.

[0038] On the basis of the above-mentioned embodiment, in this embodiment, the pressing plate 3 is in a hook structure as a whole, and the top of the pressing plate 3 is in an arc-shaped structure.

[0039] In this embodiment, the hook structure of the pressing plate 3 can ensure that the pressing plate 3 can fit and press on one end of the battery pack, and the outer surface of the pressing plate 3 can be wrapped with materials such as rubber to increase the friction of pressing and reduce the wear between the two.

[0040] On the basis of the above embodiments, in this embodiment, a slide groove 6 is provided on the upper end surface of the vibration seat 1 at the position of the rotating plate 4, and a slider 7 is provided inside the slide groove 6, wherein one rotating plate 4 is connected to the upper end surface of the slider 7 through a damping hinge, and the other rotating plate 4 is connected to the upper end surface of the vibration seat 1 through a damping hinge.

[0041] In this embodiment, one of the two pressers is movably arranged and the other is fixedly arranged, so as to ensure that the distance between the two pressers can be easily adjusted. The movably arranged presser is connected to the upper end surface of the slider 7. When the slider 7 slides in the slide groove 6, the position of one of the pressers can be adjusted at any time, so as to ensure that the hook part of the pressing plate 3 in the presser can be pressed on the angle between the upper end surface and the side surface of the battery pack, so as to facilitate the fixation of the battery pack.

[0042] Based on the above embodiment, in this embodiment, a screw rod 8 is inserted into one side of the vibration seat 1, one end of the screw rod 8 corresponds to the slide groove 6 and extends into the slide groove 6, and the end of the screw rod 8 located in the slide groove 6 is connected to the slider 7 through a bearing.

[0043] In this embodiment, one end of the screw rod 8 is connected to the slider 7 through a bearing, and the other end can be connected to the handle. When the handle is turned, the screw rod 8 rotates and moves on the vibration seat 1, thereby changing the position of the slider 7 in the slide groove 6, making it easier for the presser to press the battery pack at a suitable position.

[0044] On the basis of the above embodiment, in this embodiment, two bases 9 are provided below the vibration seat 1, the two bases 9 are arranged front and back with a spacing therebetween, and a vibrator and a vibration enhancer 13 are provided between the vibration seat 1 and the bases 9.

[0045] In this embodiment, the vibration seat 1, the base 9 and the vibrator are in a gantry structure when viewed from the side. Two vibrators are arranged on both sides of the upper end surface of the base 9, and two vibration enhancers 13 are arranged between the two vibrators.

[0046] On the basis of the above embodiments, in this embodiment, the vibrator includes a vibration plate 10 arranged on the upper end surface of the base 9 and a vibration rod 12 movably connected to the inside of the vibration plate 10, a vibration cavity is opened inside the vibration plate 10, the bottom of the vibration rod 12 is inserted into the vibration cavity, the top of the vibration rod 12 is fixed to the lower end surface of the vibration seat 1, and a vibration motor 11 is provided inside the vibration cavity of the vibration plate 10, and the vibration motor 11 is connected to the vibration rod 12.

[0047] In this embodiment, the vibration motor 11 vibrates the vibration rod 12 when in operation, so that the vibration rod 12 vibrates up and down inside the vibration plate 10, and the vibration seat 1 vibrates, thereby detecting the battery pack.

[0048] Based on the above embodiments, in this embodiment, the vibration enhancer 13 includes two connecting rods and an airbag arranged between the two connecting rods. The two connecting rods are respectively connected to the side where the vibration seat 1 and the base 9 are close to each other, and the ends of the two connecting rods close to each other are connected to the airbag.

[0049] In this embodiment, the airbag can be pressed during the vibration of the vibration base 1 to cause the airbag to bounce, thereby increasing the vibration effect and providing vibration buffering when the vibration base 1 stops working.

[0050] When using the utility model: when testing the battery pack, place the battery pack in the middle above the vibration seat 1, then rotate the screw 8 to drive the slider 7 to slide inside the slide groove 6, so that one of the pressers moves to a suitable position, so that the two pressers are driven to rotate by the damping hinge, so that the pressing plate 3 is pressed on the top of the battery pack to clamp the battery pack. When the battery pack is vibrated, the pressing plate 3 will move with the jumping of the battery pack. When the battery pack jumps, it will drive the movable plate 2 to move, thereby driving the spring 5 to expand and contract, so that the pressing plate 3 always limits the battery pack without affecting the vibration detection of the battery pack.

[0051] The above description is only an embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the scope of the claims of the present invention.

Claims

1. A power battery pack vibration test platform, characterized by: It comprises a vibration seat (1) and two pressers arranged on the vibration seat (1), wherein the two pressers are respectively arranged on two sides of the upper end surface of the vibration seat (1); The presser comprises a rotating plate (4) arranged on the upper end surface of the vibration seat (1) and a movable plate (2) movable on the top of the outer surface of the rotating plate (4); a movable groove matched with the rotating plate (4) is opened at the bottom of the movable plate (2); the rotating plate (4) is inserted into the movable groove; a spring (5) is arranged inside the movable groove of the movable plate (2); two ends of the spring (5) are respectively connected to the inner wall of the movable groove and the rotating plate (4); a pressing plate (3) is fixedly arranged on the top of the movable plate (2).

2. The power battery pack vibration test platform according to claim 1, characterized in that: The pressing plate (3) is in the form of a hook structure as a whole, and the top of the pressing plate (3) is in the form of an arc structure.

3. The power battery pack vibration test platform according to claim 1, characterized in that: A slide groove (6) is provided on the upper end surface of the vibration seat (1) at the position of the rotating plate (4), and a slider (7) is provided inside the slide groove (6). One of the rotating plates (4) is connected to the upper end surface of the slider (7) through a damping hinge, and the other rotating plate (4) is connected to the upper end surface of the vibration seat (1) through a damping hinge.

4. The power battery pack vibration test platform according to claim 3, characterized in that: A screw rod (8) is inserted into one side of the vibration seat (1), one end of the screw rod (8) corresponds to the slide groove (6) and extends into the slide groove (6), and the end of the screw rod (8) located in the slide groove (6) is connected to the slider (7) via a bearing.

5. The power battery pack vibration test platform according to claim 1, characterized in that: Two bases (9) are provided below the vibration seat (1), the two bases (9) are arranged front and back and with a spacing therebetween, and a vibrator and a vibration enhancer (13) are provided between the vibration seat (1) and the bases (9).

6. The power battery pack vibration test platform according to claim 5, characterized in that: The vibrator comprises a vibration plate (10) arranged on the upper end surface of a base (9) and a vibration rod (12) movably connected to the inside of the vibration plate (10); a vibration cavity is opened inside the vibration plate (10); the bottom of the vibration rod (12) is inserted into the inside of the vibration cavity; the top of the vibration rod (12) is fixedly arranged on the lower end surface of the vibration seat (1); a vibration motor (11) is arranged inside the vibration cavity of the vibration plate (10); and the vibration motor (11) is connected to the vibration rod (12).

7. The power battery pack vibration test platform according to claim 5, characterized in that: The vibration enhancer (13) comprises two connecting rods and an air bag arranged between the two connecting rods. The two connecting rods are respectively connected to the side of the vibration seat (1) and the base (9) close to each other, and the ends of the two connecting rods close to each other are connected to the air bag.

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