CN212159330U - Compression testing device for lithium ion battery module - Google Patents

Abstract

The utility model relates to the technical field of lithium ion battery testing, and discloses a lithium ion battery module compression test device, comprising a test table, a pressing mechanism is fixedly connected to the upper surface of the test table, and the upper surface of the test table passes through An installation ring is fixedly connected with the screw, and a protective cover is fixedly connected to the inner wall of the installation ring. The utility model is provided with a mounting ring, a protective cover, a placement rack, a first support column and a spring, during the test, the battery is placed on the placement rack, then the hydraulic push rod is opened, the battery is pressed by the pressing plate, and the battery Move it into the protective cover, and block the debris generated by the rupture of the battery through the protective cover, so that the debris is accumulated on the placing plate, which is convenient for the user to collect the debris. The protective cover is removed from the inside, which is convenient for the user to clean the battery and debris on the placing rack.

Description

A lithium-ion battery module compression test device

technical field

The utility model relates to the technical field of lithium ion battery testing, in particular to a compression testing device for a lithium ion battery module.

Background technique

The compression test of lithium-ion battery module is to squeeze the tested lithium-ion battery through the extrusion device, and then test the compression resistance of the lithium-ion battery, but during the compression test, the fragments generated by the rupture of the lithium-ion battery are easy to If there are many fragments, it is inconvenient for the user to collect the fragments.

Utility model content

The purpose of this utility model is to solve the shortcomings existing in the prior art, such as: in the process of compression test, the fragments generated after the rupture of the lithium ion battery are easy to bounce off, and if there are many fragments, it is inconvenient for the user to collect the fragments , and a lithium-ion battery module compression test device is proposed.

In order to achieve the above-mentioned purpose, the utility model adopts the following technical solutions:

A lithium-ion battery module compression test device, comprising a test table, the upper surface of the test table is fixedly connected with a pressing mechanism, the upper surface of the test table is fixedly connected with a mounting ring by screws, and the inner wall of the mounting ring is fixed A protective cover is connected, and the inner wall of the protective cover is slidably connected with a placing rack.

The upper surface of the test table is fixedly connected with a first support column, the surface of the first support column and the surface of the placement rack are sleeved with springs, and the two ends of the spring are respectively connected with the bottom of the placement rack and the test table. The upper surface of the protective cover is in contact with the upper surface of the protective cover, a scale is fixedly connected to the front of the protective cover, and a first air groove is opened at the bottom of the protective cover, and the depth of the first air groove is greater than the thickness of the mounting ring.

Preferably, the pressing mechanism includes a connecting column, the bottom of the connecting column is fixedly connected with the upper surface of the test table, the upper surface of the connecting column is fixedly connected with a support plate, and the bottom of the support plate is fixedly connected with a hydraulic push rod , the bottom of the hydraulic push rod is fixedly connected with a pressing plate.

Preferably, the placing frame includes a placing plate, the surface of the placing plate is in contact with the inner wall of the protective cover, the bottom of the placing plate is fixedly connected with a first L-shaped limit frame, and the first L-shaped limit frame The surface of the plate is in contact with the inner wall of the protective cover, the surface of the placing plate is provided with an annular groove, the inner wall of the annular groove is bonded with a gasket, and the surface of the gasket is in contact with the inner wall of the protective cover, and the surface of the placing plate is in contact with the inner wall of the protective cover. The bottom is fixedly connected with a second supporting column, the surface of the second supporting column is in contact with the inner wall of the spring, and the bottom of the placing plate is in contact with the upper surface of the spring.

Preferably, positioning grooves are provided on the left and right sides of the mounting ring, a positioning block is arranged inside the positioning groove, and the bottom of the positioning block is fixedly connected to the upper surface of the test table.

Preferably, both the surface of the protective cover and the upper surface of the mounting ring are fixedly connected with a dust-proof net.

Preferably, the surface of the spring is fixedly connected to a limit ring, the upper surface of the limit ring is provided with a limit plate, the inner wall of the limit plate is in contact with the surface of the spring, and the surface of the limit plate is in contact with the protective cover The left and right sides of the limiting plate are provided with second air grooves, and the bottom of the limiting plate is fixedly connected with a second L-shaped limiting frame.

Compared with the prior art, the beneficial effects of the present utility model are:

(1) In this utility model, by setting a mounting ring, a protective cover, a placing frame, a first support column and a spring, during the test, the battery is placed on the placing frame, then the hydraulic push rod is opened, and the battery is pressed by the pressing plate, The battery is moved into the protective cover, and the debris generated after the battery is broken is blocked by the protective cover, so that the debris is accumulated on the placing plate, which is convenient for the user to collect the debris. The upper battery is removed from the protective cover, thereby facilitating the user to clean the battery and debris on the placing rack.

(2) The present utility model is provided with a limit ring, a limit plate, a second air groove and a second L-shaped limit frame, wherein the second L-shaped limit frame plays a limiting role on the limit plate, so that the limit The plate cannot be inclined in the protective cover, and at the same time, the limit plate acts as a limit on the spring, so that the spring is always in a vertical state, thereby facilitating the user to insert the second support column into the spring.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the enlarged view of place A in Fig. 1 of the utility model;

Fig. 3 is the enlarged view of the place B in Fig. 1 of the utility model;

Fig. 4 is the front view of the utility model structure;

Fig. 5 is the top view of the utility model mounting ring;

FIG. 6 is a top view of the limiting plate of the present invention.

In the figure: 1. Test stand; 2. Pressing mechanism; 21. Connecting column; 22. Support plate; 23. Hydraulic push rod; 24. Pressing plate; 3. Mounting ring; 4. Protective cover; 5. Placing rack; 51 52, the first L-shaped limit frame; 53, the annular groove; 54, the gasket; 55, the second support column; 6, the first support column; 7, the spring; 8, the scale; 9, the positioning 10. Positioning block; 11. Dust net; 12. Limiting ring; 13. Limiting plate; 14. Second air groove; 15. Second L-shaped limit frame; 16. First air groove.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example.

In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inside", The orientation or positional relationship indicated by "outside" is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the indicated device or element must have a specific orientation , are constructed and operated in a specific orientation, and therefore should not be construed as a limitation of the present invention.

1-6, a lithium-ion battery module compression test device includes a test table 1, a pressing mechanism 2 is fixedly connected to the upper surface of the test table 1, and a mounting ring 3 is fixedly connected to the upper surface of the test table 1 by screws, A protective cover 4 is fixedly connected to the inner wall of the installation ring 3 , the protective cover 4 is fixed on the test bench 1 through the installation ring 3 , and a placing frame 5 is slidably connected to the inner wall of the protective cover 4 .

The upper surface of the test table 1 is fixedly connected with the first support column 6, the surface of the first support column 6 and the surface of the placement rack 5 are sleeved with a spring 7, and the two ends of the spring 7 are respectively connected with the bottom of the placement rack 5 and the test. The upper surface of the table 1 is in contact, the front of the protective cover 4 is fixedly connected with a scale 8, and the protective cover 4 is a transparent tempered glass cover, so that the user can directly observe the position of the shelf 5 in the protective cover 4, and then the user can pass the scale. Rule 8, observe the degree of compression of the spring 7, the bottom of the protective cover 4 is provided with a first air groove 16, and the depth of the first air groove 16 is greater than the thickness of the installation ring 3, the surface of the protective cover 4 and the upper surface of the installation ring 3 A dustproof net 11 is fixedly connected to each of them, and dust is prevented from entering the protective cover 4 through the first air groove 16 through the dustproof net 11 .

The pressing mechanism 2 includes a connecting column 21, the bottom of the connecting column 21 is fixedly connected with the upper surface of the test bench 1, the upper surface of the connecting column 21 is fixedly connected with a support plate 22, and the bottom of the support plate 22 is fixedly connected with a hydraulic push rod 23. The bottom of the rod 23 is fixedly connected with a pressing plate 24, the center of the pressing plate 24 and the center of the protective cover 4 are on the same vertical line, and the gap between the surface of the pressing plate 24 and the inner wall of the protective cover 4 is 3mm, and the left and right sides of the installation ring 3 Both sides are provided with positioning grooves 9, the interior of the positioning groove 9 is provided with a positioning block 10, the bottom of the positioning block 10 is fixedly connected with the upper surface of the test table 1, and the positioning block 10 plays a positioning role for the mounting ring 3, which is convenient for use. The user aligns the mounting holes on the mounting ring 3 with the mounting holes on the test bench 1.

The placing frame 5 includes a placing plate 51 , the surface of the placing plate 51 is in contact with the inner wall of the protective cover 4 , the bottom of the placing plate 51 is fixedly connected with a first L-shaped limiter 52 , and the surface of the first L-shaped limiter 52 is in contact with the protective cover 4 . The inner wall of the cover 4 is in contact, and the first L-shaped limiter 52 has a limiting effect on the placing plate 51, so that the placing plate 51 cannot be reversed in the protective cover 4, and the surface of the placing plate 51 is provided with an annular groove 53. The inner wall of the groove 53 is bonded with a sealing gasket 54, and the surface of the sealing gasket 54 is in contact with the inner wall of the protective cover 4, and the sealing effect between the placing plate 51 and the protective cover 4 is increased by the sealing gasket 54, and the bottom of the placing plate 51 is fixedly connected with a In the second support column 55 , the surface of the second support column 55 is in contact with the inner wall of the spring 7 , and the bottom of the placing plate 51 is in contact with the upper surface of the spring 7 .

The surface of the spring 7 is fixedly connected to the limit ring 12 , the upper surface of the limit ring 12 is provided with a limit plate 13 , the inner wall of the limit plate 13 is in contact with the surface of the spring 7 , and the surface of the limit plate 13 is in contact with the inner wall of the protective cover 4 , the left and right sides of the limit plate 13 are provided with second air grooves 14, and the bottom of the limit plate 13 is fixedly connected with a second L-shaped limit frame 15. The air groove 14 and the second L-shaped limiter 15, wherein the second L-shaped limiter 15 has a limiting effect on the limiter plate 13, so that the limiter plate 13 cannot be inclined in the protective cover 4, and at the same time, the limiter plate 13 is limited. The position plate 13 has a limiting effect on the spring 7 , so that the spring 7 is always in a vertical state, thereby facilitating the user to insert the second support column 55 into the spring 7 .

In the present invention, when using the device, the user places the battery on the placing frame 5, then opens the hydraulic push rod 23, and presses the battery through the pressing plate 24. At this time, the pushing force of the spring 7 on the placing plate 51 is equal to The pressure on the battery on the placement plate 51, and then the spring 7 performs a compression test on the battery. After the test, the battery on the placement rack 5 is removed from the protective cover 4 through the spring 7.

The above are only the preferred specific embodiments of the present invention, but the protection scope of the present invention is not limited to this. Equivalent replacement or modification of the new technical solution and its utility model concept shall be included within the protection scope of the present utility model.

It should be noted that, in this document, relational terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any relationship between these entities or operations. any such actual relationship or sequence exists. Moreover, the terms "comprising", "comprising" or any other variation thereof are intended to encompass non-exclusive inclusion such that a process, method, article or device comprising a list of elements includes not only those elements, but also includes not explicitly listed or other elements inherent to such a process, method, article or apparatus.

Claims (6)

1. A lithium-ion battery module compression test device, comprising a test stand (1), characterized in that a pressing mechanism (2) is fixedly connected to the upper surface of the test stand (1), and the test stand (1) A mounting ring (3) is fixedly connected with the upper surface of the mounting ring (3) by screws, the inner wall of the mounting ring (3) is fixedly connected with a protective cover (4), and the inner wall of the protective cover (4) is slidably connected with a placing frame (5); A first support column (6) is fixedly connected to the upper surface of the test table (1), and a spring (7) is sleeved on the surface of the first support column (6) and the surface of the placing rack (5), Both ends of the spring (7) are in contact with the bottom of the placing rack (5) and the upper surface of the test table (1) respectively, and a scale (8) is fixedly connected to the front of the protective cover (4). The bottom of the cover (4) is provided with a first air groove (16), and the depth of the first air groove (16) is greater than the thickness of the mounting ring (3). 2. A lithium-ion battery module compression test device according to claim 1, wherein the pressing mechanism (2) comprises a connecting column (21), and the bottom of the connecting column (21) is connected to the test bench. The upper surface of (1) is fixedly connected, the upper surface of the connecting column (21) is fixedly connected with a support plate (22), and the bottom of the support plate (22) is fixedly connected with a hydraulic push rod (23). A pressing plate (24) is fixedly connected to the bottom of the rod (23). 3. A lithium-ion battery module compression test device according to claim 1, wherein the placing rack (5) comprises a placing plate (51), and the surface of the placing plate (51) is connected to a protective cover (4) in contact with the inner wall, the bottom of the placing plate (51) is fixedly connected with a first L-shaped limiter (52), and the surface of the first L-shaped limiter (52) is in contact with the protective cover (4). The surface of the placing plate (51) is provided with an annular groove (53), the inner wall of the annular groove (53) is bonded with a sealing gasket (54), and the surface of the sealing gasket (54) is in contact with the protective The inner wall of the cover (4) is in contact, the bottom of the placing plate (51) is fixedly connected with a second support column (55), and the surface of the second support column (55) is in contact with the inner wall of the spring (7). The bottom of the plate (51) is in contact with the upper surface of the spring (7). 4. A lithium-ion battery module compression test device according to claim 1, wherein a positioning groove (9) is provided on the left and right sides of the mounting ring (3), and the positioning groove (9) ) is provided with a positioning block (10) inside, and the bottom of the positioning block (10) is fixedly connected with the upper surface of the test table (1). 5. A lithium-ion battery module compression test device according to claim 1, wherein the surface of the protective cover (4) and the upper surface of the mounting ring (3) are fixedly connected with a dustproof net ( 11). 6. A lithium-ion battery module compression test device according to claim 1, wherein the surface of the spring (7) is fixedly connected to a limit ring (12), and the limit ring (12) is The upper surface is provided with a limit plate (13), the inner wall of the limit plate (13) is in contact with the surface of the spring (7), and the surface of the limit plate (13) is in contact with the inner wall of the protective cover (4), so The left and right sides of the limiting plate (13) are provided with second air grooves (14), and the bottom of the limiting plate (13) is fixedly connected with a second L-shaped limiting frame (15).

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