Battery system fixing device and seawater immersion experiment system

Abstract

The utility model provides a kind of battery system fixing device and seawater soaking experiment system, and battery system fixing device includes lower fixed frame, support column and upper fixed frame.The lower fixed frame side is provided with multiple groups of support column, and multiple groups of support column include first support column and second support column.The upper fixed frame is parallel and interval and is arranged above the lower fixed frame, and the side of upper fixed frame is rotatably connected with first support column, so that the upper fixed frame can be exposed by rotating the lower fixed frame, and the other side of upper fixed frame is detachably connected with second support column.By the setting of lower fixed frame and upper fixed frame, two groups of battery packs can be fixed respectively, so as to facilitate seawater soaking experiment on multiple groups of battery packs at the same time, and by detaching the connection between upper fixed frame and second support column, and then rotating the upper fixed frame to expose the lower fixed frame, the battery pack can be easily fixed to the lower fixed frame.

Description

Technical Field

[0001] This utility model relates to the field of battery experimental technology, specifically to a battery system fixing device and a seawater immersion experimental system. Background Technology

[0002] With the rapid development of the new energy industry, lithium batteries, as a high-performance battery, have been widely used. However, in some special environments, such as seawater, the performance of lithium batteries may be severely affected or even damaged. Therefore, in order to ensure the safety performance of lithium batteries, simulated seawater immersion tests need to be conducted on lithium batteries during the research and development and production process. The main standard reference is Section 8.2.6 of GB38031-2025, "Immersion Test".

[0003] For example, Chinese patent application number 202323627162.1 discloses a lithium battery seawater immersion testing device, including a water tank and a sample rack for placing lithium battery samples. The middle of the water tank is divided into an upper immersion chamber and a lower motor chamber by a partition plate. The sample rack is slidably connected to the upper immersion chamber in the vertical direction. A pulsator is installed on the partition plate below the sample rack. A rotary motor for driving the pulsator to rotate is installed on the lower motor chamber. An electric landing gear is installed outside the water tank to control the raising and lowering of the sample rack in the upper immersion chamber. A control system for monitoring the sample status is also installed outside the water tank. The control system is electrically connected to the electric landing gear, and a timer is installed in the control system.

[0004] In existing technologies, when conducting seawater immersion tests on battery packs, the fixing devices on the seawater immersion tank can typically only fix one battery pack at a time. This means the seawater immersion tank can only conduct seawater immersion tests on a single battery pack. However, in different experimental scenarios, it is often necessary to conduct seawater immersion tests on multiple battery packs simultaneously to compare their battery performance under the same conditions. Therefore, existing technologies still have the technical problem of not being convenient for conducting seawater immersion tests on multiple battery packs simultaneously. To address these technical problems, a battery system fixing device and a seawater immersion test system are proposed. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model proposes a battery system fixing device and a seawater immersion test system, which facilitates simultaneous seawater immersion tests on multiple battery packs.

[0006] A battery system mounting device, comprising: Lower fixed frame; Support columns, wherein multiple sets of support columns are provided around the lower fixed frame, the multiple sets of support columns including first support columns and second support columns; and An upper fixing frame is arranged parallel to and spaced above the lower fixing frame. One side of the upper fixing frame is rotatably connected to the first support column so that the upper fixing frame can rotate to expose the lower fixing frame. The other side of the upper fixing frame is detachably connected to the second support column.

[0007] In one embodiment, both the lower fixed frame and the upper fixed frame are provided with two sets of load-bearing columns that can slide along their length direction. Each load-bearing column has a first through hole at both ends. Both the lower fixed frame and the upper fixed frame have multiple sets of second through holes spaced apart along their length direction on both sides. The first through holes can be aligned with the second through holes and are fixedly connected by first bolts.

[0008] In one embodiment, the top of the load-bearing column has multiple sets of third through holes spaced apart along the width direction of the lower fixing frame and the upper fixing frame.

[0009] In one embodiment, the bottom of both ends of the load-bearing column is provided with limiting grooves, and the two sets of limiting grooves are slidably sleeved on both sides of the lower fixed frame and the upper fixed frame along the length direction of the lower fixed frame and the upper fixed frame.

[0010] In one embodiment, the first support column has a fourth through hole, and the upper fixing frame has a fifth through hole opposite to it. Rotating the upper fixing frame perpendicular to the lower fixing frame can align the fifth through hole with the fourth through hole, and they are fixedly connected by a second bolt.

[0011] In one embodiment, a limiting baffle is provided on the first support column, and the limiting baffle can abut against the top of the upper fixed frame so that the fourth through hole is aligned with the fifth through hole.

[0012] In one embodiment, the first support column has a pivot hole, and a pivot is provided on one side of the upper fixed frame, the pivot being rotatably inserted into the pivot hole.

[0013] In one embodiment, a sixth through hole is provided on the second support column, and a seventh through hole is provided on the opposite side of the upper fixing frame. The seventh through hole can be aligned with the sixth through hole and is fixedly connected by a third bolt.

[0014] In one embodiment, a limiting post is provided on the second support post, which can abut against the bottom end of the upper fixed frame so that the seventh through hole is aligned with the sixth through hole.

[0015] A seawater immersion experimental system, comprising: The immersion chamber has an experimental cavity at the top. A stirring device is installed inside the experimental chamber; A heating device is installed inside the experimental chamber; The hoisting device is capable of hoisting the battery system fixing device as described in any one of the claims into the experimental chamber.

[0016] The aforementioned battery system fixing device and seawater immersion test system have at least the following beneficial effects: The lower and upper fixing frames can be used to fix two battery packs respectively, which makes it easy to conduct seawater immersion tests on multiple battery packs at the same time. After disassembling the connection between the upper fixing frame and the second support column, the upper fixing frame can be rotated to expose the lower fixing frame, which makes it easy to fix the battery pack to the lower fixing frame. Attached Figure Description

[0017] To more clearly illustrate the specific embodiments of this utility model, the accompanying drawings used in the specific embodiments will be briefly described below. In all the drawings, the elements or parts are not necessarily drawn to scale.

[0018] Figure 1 A three-dimensional structural schematic diagram of a battery system fixing device provided in an embodiment of this utility model; Figure 2 for Figure 1 A three-dimensional structural diagram of another state of the battery system mounting device shown; Figure label: 1. Lower fixed frame; 2. Support column; 21. Limiting baffle; 22. Limiting column; 3. Upper fixed frame; 31. Fifth through hole; 32. Rotating shaft; 33. Seventh through hole; 4. Load-bearing column; 41. Third through hole; 5. Second through hole; 6. First bolt; 7. Second bolt; 8. Third bolt. Detailed Implementation

[0019] The embodiments of the present invention will now be described in detail with reference to the accompanying drawings. These embodiments are merely illustrative of the present invention and should not be construed as limiting the scope of protection of the present invention.

[0020] Please see Figure 1 and Figure 2 In one embodiment, the battery system fixing device includes a lower fixing frame 1, support columns 2, and an upper fixing frame 3. The lower fixing frame 1 has multiple sets of support columns 2 arranged around its perimeter, including first support columns and second support columns. The upper fixing frame 3 is arranged parallel to and spaced apart above the lower fixing frame 1. One side of the upper fixing frame 3 is rotatably connected to the first support column, allowing the upper fixing frame 3 to rotate and expose the lower fixing frame 1. The other side of the upper fixing frame 3 is detachably connected to the second support column.

[0021] In the above embodiments, the lower fixing frame 1 and the upper fixing frame 3 can fix two sets of battery packs respectively, which facilitates the simultaneous seawater immersion test of multiple sets of battery packs. After disassembling the connection between the upper fixing frame 3 and the second support column, the upper fixing frame 3 can be rotated to expose the lower fixing frame 1, which facilitates fixing the battery pack to the lower fixing frame 1.

[0022] Specifically, in the above embodiment, the first support column has a pivot hole, and a pivot 32 is provided on one side of the upper fixed frame 3, which rotatably passes through the pivot hole. The pivot hole and pivot 32 cooperate to ensure the stability of the rotation of the upper fixed frame 3. The second support column has a sixth through hole, and the other side of the upper fixed frame 3 has a seventh through hole 33, which can be aligned with the sixth through hole and are fixedly connected by a third bolt 8. Installing or removing the third bolt 8 facilitates the fixing or rotation of the upper fixed frame 3.

[0023] Furthermore, a limiting post 22 is provided on the second support column. The limiting post 22 can abut against the bottom end of the upper fixed frame 3 to align the seventh through hole 33 with the sixth through hole. By setting the limiting post 22 to abut against the bottom end of the upper fixed frame 3 to limit and support the upper fixed frame 3, it is easy to quickly align the seventh through hole 33 with the sixth through hole, and the alignment can be maintained without support. This facilitates the fixing of the upper fixed frame 3 with the third bolt 8. In addition, it can improve the load-bearing capacity of the upper fixed frame 3, reduce the shear force on the third bolt 8, and improve the service life of the third bolt 8.

[0024] Please see Figure 1 In one embodiment, two sets of load-bearing columns 4 that can slide along their length direction are provided on both the lower fixed frame 1 and the upper fixed frame 3. First through holes are provided at both ends of the load-bearing columns 4. Multiple sets of second through holes 5 are provided at intervals along their length direction on both sides of the lower fixed frame 1 and the upper fixed frame 3. The first through holes can be aligned with the second through holes 5 and are fixedly connected by first bolts 6.

[0025] In the above embodiment, by sliding the load-bearing column 4 along the length direction of the lower fixed frame 1 and the upper fixed frame 3, the first through hole is matched with the second through hole 5 at different positions and fixedly connected by the first bolt 6. This makes it easy to adjust the distance between the two sets of load-bearing columns 4 according to the size of the battery pack, and thus makes it easy to fix battery packs of different sizes on the lower fixed frame 1 and the upper fixed frame 3, improving the practicality of the device.

[0026] Specifically, in the above embodiment, both ends of the load-bearing column 4 are provided with limiting grooves at their bottom. The two sets of limiting grooves are slidably fitted onto both sides of the lower fixed frame 1 and the upper fixed frame 3 along the length direction of the lower fixed frame 1 and the upper fixed frame 3. By opening the limiting grooves and slidably fitting them onto both sides of the lower fixed frame 1 and the upper fixed frame 3, the stability of the load-bearing column 4 during sliding is ensured.

[0027] Based on the above embodiment, further, multiple sets of third through holes 41 are provided at intervals along the width direction of the lower fixed frame 1 and the upper fixed frame 3 at the top of the load-bearing column 4. When the battery pack is placed on the two sets of load-bearing columns 4, it is convenient for the limiting holes on the battery pack to cooperate with the third through holes 41, and the battery pack is fixed on the two sets of load-bearing columns 4 by bolts, wires and other fasteners, which facilitates the fixing of the battery pack.

[0028] Please see Figure 1 and Figure 2 In one embodiment, a fourth through hole is provided on the first support column, and a fifth through hole 31 is provided on the upper fixed frame 3. Rotating the upper fixed frame 3 to be perpendicular to the lower fixed frame 1 can align the fifth through hole 31 with the fourth through hole, and they are fixedly connected by the second bolt 7.

[0029] In the above embodiment, the upper fixed frame 3 is fixed after rotation by the cooperation of the fifth through hole 31, the fourth through hole and the second bolt 7. This can prevent the upper fixed frame 3 from rotating and causing safety problems when the battery pack is placed on the lower fixed frame 1. In addition, the upper fixed frame 3 and the lower fixed frame 1 are perpendicular to each other, which can reduce the space occupied by the device in the horizontal direction.

[0030] Based on the above embodiment, a limiting baffle 21 is further provided on the first support column. The limiting baffle 21 can abut against the top of the upper fixed frame 3 so that the fourth through hole and the fifth through hole 31 are aligned. The limiting baffle 21 can prevent the upper fixed frame 3 from rotating excessively, facilitate the alignment of the fourth through hole and the fifth through hole 31, and thus facilitate the fixing of the upper fixed frame 3 by the second bolt 7.

[0031] A seawater immersion experimental system includes an immersion tank, a stirring device, a heating device, a hoisting device, and a battery system fixing device. The immersion tank has an experimental chamber at its top for holding seawater. The stirring device is located inside the experimental chamber to agitate the seawater, accelerating the dissolution of sea salt. The heating device is located inside the experimental chamber to heat the seawater, facilitating seawater experiments on the battery pack at different temperatures. The hoisting device can lift the battery system fixing device into the experimental chamber.

[0032] After the battery pack is fixed on the lower fixed frame 1 and the upper fixed frame 3 respectively, it is connected to the lifting rings on multiple sets of support columns 2 through the lifting device, and the battery system fixing device is lifted into the experimental chamber filled with seawater to carry out the seawater experiment.

[0033] The specific implementation method of the above-mentioned battery system fixing device and seawater immersion test system is as follows: In use, first remove the third bolt 8 to cancel the fixation of the upper fixed frame 3, then rotate the upper fixed frame 3 upward. When the upper fixed frame 3 abuts against the limiting baffle 21, the upper fixed frame 3 is perpendicular to the lower fixed frame 1, and the fifth through hole 31 is aligned with the fourth through hole. At this time, the upper fixed frame 3 can be fixed by the second bolt 7, exposing the lower fixed frame 1, which makes it easier to place the battery pack on the two sets of load-bearing columns 4 on the lower fixed frame 1 and fix it. After the battery pack is fixed on the lower fixed frame 1, remove the second bolt 7 to cancel the fixation of the upper fixed frame 3, and rotate the upper fixed frame 3 downward so that the upper fixed frame 3 abuts against the limiting column 22. At this time, the seventh through hole 33 is aligned with the sixth through hole, and the upper fixed frame 3 can be fixed again by the third bolt 8. At this time, the battery pack can be placed on the two sets of load-bearing columns 4 on the upper fixed frame 3 and fixed. The lower fixing frame 1 and the upper fixing frame 3 can fix two sets of battery packs respectively, which makes it convenient to conduct seawater immersion experiments on multiple sets of battery packs at the same time. After disassembling the connection between the upper fixing frame 3 and the second support column, the lower fixing frame 1 can be exposed by rotating the upper fixing frame 3, which makes it convenient to fix the battery pack to the lower fixing frame 1.

[0034] On the other hand, by sliding the load-bearing column 4 along the length of the lower fixed frame 1 and the upper fixed frame 3, the first through hole is matched with the second through hole 5 at different positions and fixedly connected by the first bolt 6. This makes it easy to adjust the distance between the two sets of load-bearing columns 4 according to the size of the battery pack, and thus makes it easier to fix battery packs of different sizes on the lower fixed frame 1 and the upper fixed frame 3, improving the practicality of the device.

[0035] The above embodiments are only used to illustrate the technical solutions of this utility model, and are not intended to limit it. Although this utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some or all of the technical features therein. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of this utility model, and they should all be covered within the scope of the claims and specification of this utility model.

Claims

1. A battery system fixing device, characterized in that, include: Lower fixed frame (1); Support columns (2), multiple sets of support columns (2) are provided around the lower fixed frame (1), the multiple sets of support columns (2) include a first support column and a second support column; and The upper fixing frame (3) is arranged parallel and spaced above the lower fixing frame (1). One side of the upper fixing frame (3) is rotatably connected to the first support column so that the upper fixing frame (3) can rotate to expose the lower fixing frame (1). The other side of the upper fixing frame (3) is detachably connected to the second support column.

2. The battery system fixing device according to claim 1, characterized in that, Both the lower fixed frame (1) and the upper fixed frame (3) are provided with two sets of load-bearing columns (4) that can slide along their length direction. Both ends of the load-bearing columns (4) are provided with first through holes. Both sides of the lower fixed frame (1) and the upper fixed frame (3) are provided with multiple sets of second through holes (5) at intervals along their length direction. The first through holes can be aligned with the second through holes (5) and are fixedly connected by first bolts (6).

3. The battery system fixing device according to claim 2, characterized in that, The top of the load-bearing column (4) has multiple sets of third through holes (41) spaced apart along the width direction of the lower fixed frame (1) and the upper fixed frame (3).

4. A battery system fixing device according to claim 2, characterized in that, The bottom of both ends of the load-bearing column (4) is provided with limiting grooves. Both sets of limiting grooves are slidably sleeved on both sides of the lower fixed frame (1) and the upper fixed frame (3) along the length direction of the lower fixed frame (1) and the upper fixed frame (3).

5. A battery system fixing device according to claim 1, characterized in that, The first support column has a fourth through hole, and the upper fixed frame (3) has a fifth through hole (31) opposite to it. Rotating the upper fixed frame (3) to be perpendicular to the lower fixed frame (1) can make the fifth through hole (31) and the fourth through hole aligned and fixedly connected by the second bolt (7).

6. A battery system fixing device according to claim 5, characterized in that, A limiting baffle (21) is provided on the first support column. The limiting baffle (21) can abut against the top of the upper fixed frame (3) so that the fourth through hole is aligned with the fifth through hole (31).

7. A battery system fixing device according to claim 1, characterized in that, The first support column has a pivot hole, and a pivot (32) is provided on one side of the upper fixed frame (3). The pivot (32) is rotatably inserted into the pivot hole.

8. A battery system fixing device according to claim 1, characterized in that, The second support column has a sixth through hole, and the upper fixing frame (3) has a seventh through hole (33) on the other side. The seventh through hole (33) can be aligned with the sixth through hole and fixedly connected by the third bolt (8).

9. A battery system fixing device according to claim 8, characterized in that, The second support column is provided with a limiting post (22), which can abut against the bottom end of the upper fixed frame (3) so that the seventh through hole (33) is aligned with the sixth through hole.

10. A seawater immersion experimental system, characterized in that, include: The immersion chamber has an experimental cavity at the top. A stirring device is installed inside the experimental chamber; A heating device is installed inside the experimental chamber; The hoisting device is capable of hoisting the battery system fixing device as described in any one of claims 1-9 into the experimental chamber.

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