New energy battery box structure

By combining the design of buffer components, air springs and semiconductor refrigeration sheets in the new energy battery box, the problems of the battery pack in bumps and heat management are solved, the vibration absorption and heat dissipation functions of the battery pack are integrated, and the battery pack is improved stability and safety.

CN222365675UActive Publication Date: 2025-01-17HUBEI DONGCHENG TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202420939606.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-30
Publication Date
2025-01-17
Estimated Expiration
2034-04-30

AI Technical Summary

Technical Problem

It is difficult for existing new energy battery boxes to take into account the shock absorption problems of the battery pack during the heat dissipation process, resulting in conflicts between the battery fixation and heat dissipation structure, and it is impossible to effectively solve the impact and heat management of the battery pack during bumps.

Method used

A new energy battery box structure was designed, using a combination scheme of buffer components, air springs, hollow partitions and semiconductor refrigeration sheets. The impact force during bumps is absorbed through buffer components and air springs, and the hollow partitions and semiconductor refrigeration sheets are used. Achieve rapid cooling, integrated shock absorption and heat dissipation functions.

Benefits of technology

It realizes simultaneous shock absorption and cooling in the battery pack of new energy vehicles, avoiding the dual challenges of the battery pack in bumps and heat management, and improving the stability and safety of the battery pack.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222365675U_ABST
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Abstract

The utility model discloses a new energy battery box structure which comprises a box body, a buffer assembly is arranged in the box body, and a bearing bin is arranged on the buffer assembly. By arranging the buffer assembly, the bearing bin, the air spring, the hollow partition plates, the water tank, the water pump and the semiconductor chilling plate, the new energy automobile battery pack is fixed to the top of the bearing bin and located between every two adjacent hollow partition plates, the buffer assembly and the air spring provide shock absorption for the bearing bin, and when an automobile is bumped, the new energy automobile battery pack is fixed to the bearing bin. The buffer assembly and the air spring absorb part of kinetic energy for slow release, impact on the new energy automobile battery pack can be reduced to a certain degree, the semiconductor chilling plate cools cooling liquid in the water tank, and the water pump pumps the low-temperature cooling liquid in the water tank to enter the hollow partition plate and the bearing bin and then returns into the water tank. The equipment can cool the battery pack of the new energy automobile and also has a damping function, and the equipment and the battery pack are integrated and do not conflict with each other.
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Description

Technical Field

[0001] The utility model relates to the field of new energy battery boxes, in particular to a new energy battery box structure. Background Art

[0002] The battery box is a container for holding battery packs. The batteries for new energy vehicles include lead-acid batteries, nickel-metal hydride batteries, sodium-sulfur batteries, secondary lithium batteries, air batteries and ternary lithium batteries.

[0003] A battery pack is arranged in the new energy battery box. The battery pack may generate heat during the charging and discharging process, and a large amount of heat will inevitably be generated during the long-term use of the new car. A large number of heat dissipation solutions have been proposed in the existing new energy battery boxes, but in order to adapt to the heat dissipation structure, the new energy battery will be fixed. The shock absorption problem of the battery can only be solved from other ways. Therefore, a new energy battery box structure is proposed. Utility Model Content

[0004] The technical problem to be solved by the utility model is to overcome the defects of the prior art and provide a new energy battery box structure which can reduce the vibration of the battery pack while cooling the battery pack.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions:

[0006] The utility model discloses a new energy battery box structure, comprising a box body, wherein a buffer assembly is arranged inside the box body, a supporting bin is arranged on the buffer assembly, the top and the bottom of the supporting bin are provided with an air spring whose other end is fixed to the inner wall of the box body, the buffer assembly and the air spring provide buffering for the supporting bin, and when the vehicle encounters bumps, the buffer assembly and the air spring absorb impact force.

[0007] Five hollow partitions are evenly spaced on the top of the supporting bin, and the supporting bin is connected to the hollow partitions. The top of the supporting bin and located between two adjacent hollow partitions is used to place new energy batteries. After cold water flows through the supporting bin and the hollow partitions, the new energy batteries located between the hollow partitions come into contact with the low-temperature supporting bin and hollow partitions, so that heat exchange can be carried out quickly to achieve cooling.

[0008] A water tank and a water pump are fixedly arranged on the right side of the box body, a semiconductor refrigeration plate is embedded in the water tank, a suction end of the water pump is connected to a water suction pipe having one end connected to the water tank, a water outlet end of the water pump is connected to a water pipe which runs through the inside of the box body, a first telescopic tube having the other end connected to the water pipe is connected to the top of the hollow partition, a second telescopic tube having the other end connected to the water tank is connected to the bottom of the supporting bin, and a coolant is stored in the water tank with the semiconductor refrigeration plate, and the water pump serves as a power source to drive the coolant to flow through the supporting bin and the hollow partition, and then return to the water tank, and the semiconductor refrigeration plate then cools the coolant.

[0009] As a preferred technical solution of the utility model, a box cover is provided on the top of the box body, and the box cover is fixed to the top of the box body by screws.

[0010] As a preferred technical solution of the utility model, the buffer assembly includes a support seat, and the two support seats are respectively fixed on the left and right sides of the inner bottom wall of the box body, and a vertical plate is fixedly arranged on the inner bottom wall of the box body and located between the support seats, and a sliding rod is fixedly arranged on the opposite side of the support seat, and the sliding rod passes through the vertical plate.

[0011] As a preferred technical solution of the utility model, the number of the vertical plates is four, and springs are fixedly provided on the right side of the two vertical plates on the left, the right side of the support seat on the left, the left side of the two vertical plates on the right, and the left side of the support seat on the right, and the springs are sleeved on the outside of the sliding rod.

[0012] As a preferred technical solution of the utility model, the outside of the slide rod is sleeved with a slide sleeve, the slide sleeve is fixedly connected to the other end of the spring, and the top of the slide sleeve is hinged with an inclined rod whose other end is hinged to the bottom of the supporting bin.

[0013] As a preferred technical solution of the utility model, the inner top wall of the supporting bin is fixedly provided with a reinforcing column, the other end of which is fixedly connected to the inner bottom wall thereof, a water hole is opened on the top of the supporting bin, the water hole is used for connecting the supporting bin and the hollow partition plate, and ear plates are fixedly provided on both the left and right sides of the supporting bin.

[0014] As a preferred technical solution of the utility model, the air spring includes a tube body, a piston block and a movable rod, wherein:

[0015] The tube body is fixedly arranged on the inner wall of the box, and the two tube bodies are respectively located above and below the ear plate;

[0016] The piston block is movably arranged inside the tube body, and its outer wall contacts the inner wall of the tube body;

[0017] The movable rod is fixedly arranged on the piston block, and one end of the movable rod penetrates the outside of the tube body, and the end of the movable rod that penetrates the outside of the tube body is fixedly connected to the ear plate.

[0018] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0019] The utility model fixes the new energy vehicle battery pack on the top of the supporting bin by arranging a buffer component, a supporting bin, an air spring, a hollow partition, a water tank, a water pump and a semiconductor cooling sheet, and the battery pack is located between two adjacent hollow partitions. The buffer component and the air spring provide shock absorption for the supporting bin. When the vehicle is bumped, the buffer component and the air spring absorb part of the kinetic energy for slow release, which can reduce the impact on the new energy vehicle battery pack to a certain extent.

[0020] The semiconductor refrigeration plate cools down the coolant in the water tank, and the water pump draws the low-temperature coolant in the water tank into the hollow partition and the supporting chamber and then returns to the water tank. In this way, the equipment can not only cool down the battery pack of new energy vehicles, but also have shock absorption function. The two are integrated and do not conflict with each other. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0022] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0023] Figure 2 It is a front view of the utility model;

[0024] Figure 3 It is a partial cross-sectional view of the utility model;

[0025] In the figure:

[0026] 1. Box body;

[0027] 2. Buffer assembly; 21. Support seat; 22. Vertical plate; 23. Sliding rod; 24. Sliding sleeve; 25. Spring; 26. Diagonal rod;

[0028] 3. Supporting bin; 31. Strengthening column; 32. Water hole; 33. Ear plate;

[0029] 4. air spring; 41. tube body; 42. piston block; 43. movable rod;

[0030] 5. Hollow partition; 6. Tank cover; 7. Water tank; 8. Water pump; 9. Semiconductor refrigeration plate; 10. Water suction pipe; 11. Water pipe; 12. First telescopic tube; 13. Second telescopic tube. DETAILED DESCRIPTION

[0031] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0032] In the drawings, the same reference numerals all refer to the same components.

[0033] Example 1

[0034] like Figure 1-3 As shown, the utility model provides a new energy battery box structure, including a box body 1, a box cover 6 partially extending into the box body 1 is placed on the top of the box body 1, and screws extending into the box cover 6 are threadedly connected on the left and right sides of the box body 1; a buffer assembly 2 is arranged inside the box body 1, and the buffer assembly 2 includes a support seat 21, and the two support seats 21 are respectively fixedly arranged on the left and right sides of the inner bottom wall of the box body 1, and a vertical plate 22 is fixedly arranged on the inner bottom wall of the box body 1 and between the support seats 21, and a sliding rod 23 is fixedly arranged on the side opposite to the support seat 21, and the sliding rod 23 passes through the vertical plate 22, and the number of the vertical plates 22 is four, and the right side of the two vertical plates 22 on the left side Springs 25 are fixedly arranged on the right side of the left support seat 21, the left side of the two right vertical plates 22 and the left side of the right support seat 21. The spring 25 is sleeved on the outside of the sliding rod 23. The outside of the sliding rod 23 is sleeved with a sliding sleeve 24. The sliding sleeve 24 is fixedly connected to the other end of the spring 25. An inclined rod 26 is hinged on the top of the sliding sleeve 24. The end of the inclined rod 26 away from the sliding sleeve 24 is hinged to a supporting bin 3. The top and bottom of the supporting bin 3 are provided with an air spring 4, the other end of which is fixed to the inner wall of the box body 1. The buffer assembly 2 and the air spring 4 provide buffering for the supporting bin 3. When the vehicle encounters bumps, the buffer assembly 2 and the air spring 4 absorb the impact force.

[0035] It is particularly noted that the supporting bin 3 is an aluminum alloy bin with a high thermal conductivity. The inner top wall of the supporting bin 3 is fixedly provided with a reinforcing column 31 whose other end is fixedly connected to its inner bottom wall. The top of the supporting bin 3 is used to support the battery pack of the new energy vehicle, and its bottom is hinged with the inclined rod 26. When the equipment is vibrated, the setting of the reinforcing column 31 can avoid the problem of concave deformation of the supporting bin 3 as much as possible. A water hole 32 is opened on the top of the supporting bin 3. The water hole 32 is used for the connection between the supporting bin 3 and the hollow partition 5. The left and right sides of the supporting bin 3 are fixedly provided with ear plates 33.

[0036] In addition, the air spring 4 includes a tube body 41, a piston block 42 and a movable rod 43. The tube body 41 is fixedly arranged on the inner wall of the box body 1, and the two tube bodies 41 are respectively located above and below the ear plate 33. The piston block 42 is movably arranged inside the tube body 41, and its outer wall contacts the inner wall of the tube body 41. The movable rod 43 is fixedly arranged on the piston block 42, and one end of the movable rod 43 passes through the outside of the tube body 41. The end of the movable rod 43 that passes through the outside of the tube body 41 is fixedly connected to the ear plate 33.

[0037] In this embodiment, five hollow partitions 5 are evenly spaced on the top of the supporting bin 3. The hollow partitions 5 are made of aluminum alloy with high thermal conductivity. The supporting bin 3 is connected to the hollow partitions 5. The top of the supporting bin 3 and between two adjacent hollow partitions 5 are used to place new energy batteries. After cold water flows through the supporting bin 3 and the hollow partitions 5, the new energy batteries located between the hollow partitions 5 are in contact with the low-temperature supporting bin 3 and the hollow partitions 5, so that heat exchange can be carried out quickly to achieve cooling.

[0038] In this embodiment, a water tank 7 and a water pump 8 are fixedly provided on the right side of the box body 1. A semiconductor refrigeration sheet 9 is embedded in the water tank 7. One side of the semiconductor refrigeration sheet 9 is located in the water tank 7, and the other side is located outside the water tank 7. The suction end of the water pump 8 is connected to a water pumping pipe 10 having one end connected to the water tank 7, and the water outlet end of the water pump 8 is connected to a water pipe 11 that runs through the inside of the box body 1. The top of the hollow partition 5 is connected to a first telescopic tube 12 having the other end connected to the water pipe 11, and the bottom of the supporting bin 3 is connected to a second telescopic tube 13 having the other end connected to the water tank 7. The telescopic ranges of the first telescopic tube 12 and the second telescopic tube 13 are adapted to the moving ranges of the hollow partition 5 and the supporting bin 3. Coolant is stored in the water tank 7 provided with the semiconductor refrigeration sheet 9. The water pump 8, as a power source, drives the coolant to flow through the supporting bin 3 and the hollow partition 5 and then returns to the water tank 7, and the semiconductor refrigeration sheet 9 cools the coolant again.

[0039] In summary, the utility model fixes the new energy vehicle battery pack on the top of the supporting bin 3 by arranging a buffer component 2, a supporting bin 3, an air spring 4, a hollow partition 5, a water tank 7, a water pump 8 and a semiconductor refrigeration sheet 9, and it is located between two adjacent hollow partitions 5. The buffer component 2 and the air spring 4 provide shock absorption for the supporting bin 3. When the vehicle is bumped, the buffer component 2 and the air spring 4 absorb part of the kinetic energy for slow release, which can reduce the impact on the new energy vehicle battery pack to a certain extent. The semiconductor refrigeration sheet 9 cools the coolant in the water tank 7, and the water pump 8 draws the low-temperature coolant in the water tank 7 into the hollow partition 5 and the supporting bin 3 and then returns to the water tank 7. In this way, the equipment can cool the new energy vehicle battery pack and also has a shock absorption function. The two are integrated and do not conflict with each other.

[0040] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A new energy battery box structure, comprising a box body (1), characterized in that: A buffer assembly (2) is provided inside the box (1), a supporting bin (3) is provided on the buffer assembly (2), and an air spring (4) is provided at the top and bottom of the supporting bin (3), the other end of which is fixed to the inner wall of the box (1); The top of the supporting bin (3) is provided with five hollow partitions (5) at equal intervals, the supporting bin (3) is connected to the hollow partitions (5), and the top of the supporting bin (3) and located between two adjacent hollow partitions (5) is used to place new energy batteries; A water tank (7) and a water pump (8) are fixedly arranged on the right side of the box body (1); a semiconductor refrigeration plate (9) is embedded in the water tank (7); a suction end of the water pump (8) is connected to a water pumping pipe (10) whose one end is connected to the water tank (7); a water outlet end of the water pump (8) is connected to a water pipe (11) that runs through the inside of the box body (1); a first telescopic pipe (12) whose other end is connected to the water pipe (11) is connected to the top of the hollow partition (5); and a second telescopic pipe (13) whose other end is connected to the water tank (7) is connected to the bottom of the supporting bin (3).

2. A new energy battery box structure according to claim 1, characterized in that: A box cover (6) is provided on the top of the box body (1), and the box cover (6) is fixed to the top of the box body (1) by means of screws.

3. A new energy battery box structure according to claim 1, characterized in that: The buffer assembly (2) comprises a support seat (21), wherein the two support seats (21) are respectively fixedly arranged on the left and right sides of the inner bottom wall of the box body (1), a vertical plate (22) is fixedly arranged on the inner bottom wall of the box body (1) and located between the support seats (21), and a sliding rod (23) is fixedly arranged on the opposite side of the support seat (21), and the sliding rod (23) passes through the vertical plate (22).

4. A new energy battery box structure according to claim 3, characterized in that: There are four vertical plates (22), and springs (25) are fixedly provided on the right sides of the two vertical plates (22) on the left, the right side of the support seat (21) on the left, the left sides of the two vertical plates (22) on the right, and the left side of the support seat (21) on the right. The springs (25) are sleeved on the outside of the slide rod (23).

5. A new energy battery box structure according to claim 4, characterized in that: The outside of the slide rod (23) is sleeved with a slide sleeve (24), the slide sleeve (24) is fixedly connected to the other end of the spring (25), and the top of the slide sleeve (24) is hinged with an inclined rod (26) whose other end is hinged to the bottom of the supporting bin (3).

6. A new energy battery box structure according to claim 1, characterized in that: The inner top wall of the supporting bin (3) is fixedly provided with a reinforcing column (31) whose other end is fixedly connected to the inner bottom wall thereof. The top of the supporting bin (3) is provided with a water hole (32) for connecting the supporting bin (3) and the hollow partition (5). Ear plates (33) are fixedly provided on both the left and right sides of the supporting bin (3).

7. A new energy battery box structure according to claim 6, characterized in that: The air spring (4) comprises a tube body (41), a piston block (42) and a movable rod (43), wherein: The tube body (41) is fixedly arranged on the inner wall of the box body (1), and the two tube bodies (41) are respectively located above and below the ear plate (33); A piston block (42) is movably disposed inside the tube body (41), and its outer wall is in contact with the inner wall of the tube body (41); The movable rod (43) is fixedly arranged on the piston block (42), and one end of the movable rod passes through the outside of the tube body (41). The end of the movable rod that passes through the outside of the tube body (41) is fixedly connected to the ear plate (33).