Novel battery box body liquid cooling structure
By setting a cavity structure and vertical and horizontal reinforcement ribs inside the battery box, and cooling is performed by using the flow of coolant, the problem of large weight and low reliability of the battery box is solved, and lightweight and reliability are improved, while reducing production costs.
Patent Information
- Application Number
- CN202420572903.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-03-21
- Estimated Expiration
- 2034-03-22
AI Technical Summary
Since the battery box of new energy vehicles requires multiple battery cells, the box structure is large in size and heavy in weight, affecting energy density and reliability.
A new type of liquid-cooled battery box body structure is designed, by setting a cavity structure and vertical and horizontal reinforcement ribs inside the box, cooling is carried out using the flow of coolant, and weight is reduced through multiple segmentation treatments.
It effectively reduces the overall weight of the battery box, improves the reliability of the box, reduces production costs, and improves the safety performance of the battery energy storage box.
Smart Images

Figure CN222654043U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a liquid cooling structure, in particular to a novel battery box body liquid cooling structure. Background Art
[0002] With the widespread development of new energy products in the market, reducing the weight of battery boxes and improving the energy density and reliability of battery boxes have become the top priority for the development of new energy vehicles. Battery boxes generally require more than a dozen or even dozens of battery cells, resulting in a relatively large box structure size and a larger weight proportion. Utility Model Content
[0003] In order to solve the deficiencies existing in the above-mentioned technologies, the utility model provides a novel battery box body liquid cooling structure.
[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is a new type of battery box liquid cooling structure, including a box body, the box body includes a left outer beam and a right outer beam, the bottom plate of the left outer beam is fixedly connected to the bottom plate of the right outer beam, the bottom plate of the left outer beam is fixedly connected to a first adapter nozzle and a first water nozzle, and the bottom plate of the right outer beam is fixedly connected to a second adapter nozzle and a second water nozzle; one side of the box body is fixedly connected to a front outer beam, and the opposite side of the box body connected to the front outer beam is fixedly connected to a rear outer beam;
[0005] A cavity structure is provided inside the bottom plate of the left outer beam and inside the bottom plate of the right outer beam to reduce the weight of the battery box body.
[0006] Furthermore, the bottom plate of the front outer beam is fixedly connected to the bottom plate of the left outer beam and the bottom plate of the right outer beam.
[0007] Furthermore, the bottom plate of the rear outer beam is fixedly connected to the bottom plate of the left outer beam and the bottom plate of the right outer beam.
[0008] Furthermore, a plurality of threaded holes are provided on the bottom plate of the left outer beam to threadably connect the first water nozzle and the first adapter nozzle.
[0009] Furthermore, a plurality of threaded holes are provided on the bottom plate of the right outer beam to threadably connect the second water nozzle and the second adapter nozzle.
[0010] Furthermore, a plurality of openings are provided on the front outer beam to pass the first water nozzle and the second water nozzle.
[0011] Furthermore, the first water nozzle is connected to the second adapter nozzle via a second connecting pipe, and the second water nozzle is connected to the first adapter nozzle via a first connecting pipe.
[0012] Furthermore, the first connecting tube and the second connecting tube are both in a concave shape.
[0013] Furthermore, a plurality of longitudinal and transverse reinforcing ribs are provided in the cavity structure for dividing the cavity into a plurality of cavities so as to increase the reliability of the battery box body.
[0014] Furthermore, a plurality of longitudinal and transverse reinforcing ribs divide the cavity structure into a first liquid cooling channel, a second liquid cooling channel, a third liquid cooling channel and a fourth liquid cooling channel at equal distances.
[0015] The utility model discloses a novel battery box body liquid cooling structure, in which a cavity structure is arranged inside the box body, and a plurality of cavities are divided by longitudinal and transverse reinforcing ribs and reinforced aluminum plates to facilitate the flow of coolant, and the parallel surfaces thereof are divided multiple times, thereby effectively reducing the overall weight of the battery box, and further utilizing the product structure can reduce production costs; while achieving lightweight, the reliability of the battery box body is increased, and the battery energy storage box has high safety performance, thereby being more adaptable to the development of new energy vehicle batteries. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model.
[0017] Figure 2 It is a top view of the utility model.
[0018] Figure 3 It is a bottom view of the utility model.
[0019] Figure 4 It is a side view of the utility model.
[0020] Figure 5 It is a side sectional view of the utility model.
[0021] In the figure: 1. left outer beam; 2. right outer beam; 3. front outer beam; 4. rear outer beam; 5. first water nozzle; 6. second water nozzle; 7. first adapter nozzle; 8. second adapter nozzle; 9. first connecting pipe; 10. second connecting pipe; 11. first liquid-cooling flow channel; 12. second liquid-cooling flow channel; 13. third liquid-cooling flow channel; 14. fourth liquid-cooling flow channel; 15. box body. DETAILED DESCRIPTION
[0022] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.
[0023] like Figure 1As shown in the overall structural schematic diagram of a novel battery box liquid cooling structure, a novel battery box liquid cooling structure includes a box body 15, the box body 15 includes a left outer beam 1 and a right outer beam 2, the bottom plate of the left outer beam 1 is fixedly connected to the bottom plate of the right outer beam 2, the bottom plate of the left outer beam 1 is fixedly connected to a first adapter nozzle 7, and the bottom plate of the right outer beam 2 is fixedly connected to a second adapter nozzle 8; a first water nozzle 5 is fixedly arranged on the bottom plate of the left outer beam 1, and a second water nozzle 6 is fixedly arranged on the bottom plate of the right outer beam 2; one side of the box body 15 is connected to the front outer beam 3, and the opposite side of the box body 15 connected to the front outer beam 3 is connected to the rear outer beam 4;
[0024] A cavity structure is provided inside the bottom plate of the left outer beam 1 and inside the bottom plate of the right outer beam 2 to reduce the weight of the battery box body.
[0025] Specifically, the bottom plate of the front outer beam 3 is fixedly connected to the bottom plate of the left outer beam 1 and the bottom plate of the right outer beam 2. The bottom plate of the rear outer beam 4 is fixedly connected to the bottom plate of the left outer beam 1 and the bottom plate of the right outer beam 2. The bottom plate of the left outer beam 1 is provided with a plurality of threaded holes for threadingly connecting the first water nozzle 5 and the first adapter nozzle 7. The bottom plate of the right outer beam 2 is provided with a plurality of threaded holes for threadingly connecting the second water nozzle 6 and the second adapter nozzle 8. Figure 2 As shown in the top view of a novel battery box body liquid cooling structure, the first water nozzle 5 is connected to the second adapter nozzle 8 through the second connecting tube 10, and the second water nozzle 6 is connected to the first adapter nozzle 7 through the first connecting tube 9. The first connecting tube 9 and the second connecting tube 10 are both concave. Two openings are provided on the front outer beam 3 to pass the first water nozzle 5 and the second water nozzle 6. A plurality of longitudinal and transverse reinforcing ribs are provided in the cavity structure for dividing it into a plurality of cavities to increase the reliability of the battery box body. A plurality of longitudinal and transverse reinforcing ribs divide the cavity structure into a first liquid cooling channel 11, a second liquid cooling channel 12, a third liquid cooling channel 13 and a fourth liquid cooling channel 14 at equal distances.
[0026] This embodiment provides a specific connection method and workflow for a new battery box liquid cooling mechanism. Figure 3 A bottom view of a new type of battery box liquid cooling structure is shown.
[0027] A novel battery box liquid cooling mechanism includes a box body 15, the box body 15 includes a left outer beam 1 and a right outer beam 2, the bottom plate of the left outer beam 1 and the bottom plate of the right outer beam 2 are welded and spliced, such as Figure 4As shown in the side view of a novel battery box liquid cooling structure, two threaded holes are provided on the bottom plate of the left outer beam 1 to threadably connect the first adapter nozzle 7 and the first water nozzle 5; two threaded holes are provided on the bottom plate of the right outer beam 2 to threadably connect the second adapter nozzle 8 and the second water nozzle 6; the front side of the box body 15 is installed with the front outer beam 3, and the rear side of the box body 15 is installed with the rear outer beam 4; the front side surface of the front outer beam 3 is provided with two openings to penetrate the first water nozzle 5 and the second water nozzle 6. In this embodiment, the first water nozzle 5 is used as the water inlet, and the second water nozzle 6 is used as the water outlet. The first water nozzle 5 is connected to the second adapter nozzle 8 through the second connecting pipe 10, and the second water nozzle 6 is connected to the first adapter nozzle 7 through the first connecting pipe 9. The first connecting pipe 9 and the second connecting pipe 10 are both concave. Figure 5 As shown in the side sectional view of a novel battery box body liquid cooling structure, a cavity structure is provided inside the bottom plate of the left outer beam 1 and the bottom plate of the right outer beam 2 to reduce the weight of the battery box body, and the cavity structure is provided with longitudinal and transverse reinforcing ribs for dividing it into a plurality of cavities to increase the reliability of the battery box body, and the cavity structure is divided into a first liquid cooling channel 11, a second liquid cooling channel 12, a third liquid cooling channel 13 and a fourth liquid cooling channel 14.
[0028] Workflow: The coolant enters the first liquid cooling channel 11 from the first water nozzle 5, the first streamline is to flow into the second adapter nozzle 8 through the second connecting pipe 10, and finally enters the third liquid cooling channel 13, and flows from the third liquid cooling channel 13 into the fourth liquid cooling channel 14, and the second streamline is to flow from the first liquid cooling channel 11 into the second liquid cooling channel 12; when the coolant passes through each liquid cooling channel and flows to the rear end of the box, the 180° reflux through the longitudinal and transverse reinforcement ribs inside the bottom plate of the box can reduce the overall temperature of the bottom plate of the battery box; the final discharge route of the coolant, the first route is to flow out from the fourth liquid cooling channel 14 through the second water nozzle 6, and the second route is to flow out from the second liquid cooling channel 12 through the first adapter nozzle 7 connected to the first connecting pipe 9. The overall weight of the battery box is effectively reduced, while the reliability is greatly increased, and the cost is reduced, so as to better adapt to the development of new energy vehicle batteries.
[0029] The above implementation modes are not limitations of the present invention, and the present invention is not limited to the above examples. Any changes, modifications, additions or substitutions made by technicians in this technical field within the technical solution of the present invention also belong to the protection scope of the present invention.
Claims
1. A novel battery box liquid cooling structure, comprising a box body (15), characterized in that: The box body (15) comprises a left outer beam (1) and a right outer beam (2); the bottom plate of the left outer beam (1) is fixedly connected to the bottom plate of the right outer beam (2); the bottom plate of the left outer beam (1) is fixedly connected to a first adapter nozzle (7) and a first water nozzle (5), and the bottom plate of the right outer beam (2) is fixedly connected to a second adapter nozzle (8) and a second water nozzle (6); one side of the box body (15) is fixedly connected to a front outer beam (3), and the opposite side of the box body (15) connected to the front outer beam (3) is fixedly connected to a rear outer beam (4); The inside of the bottom plate of the left outer beam (1) and the inside of the bottom plate of the right outer beam (2) are both provided with cavity structures to reduce the weight of the battery box body.
2. The new battery box liquid cooling structure according to claim 1 is characterized in that: The bottom plate of the front outer beam (3) is fixedly connected to the bottom plate of the left outer beam (1) and the bottom plate of the right outer beam (2).
3. The new battery box liquid cooling structure according to claim 1 is characterized in that: The bottom plate of the rear outer beam (4) is fixedly connected to the bottom plate of the left outer beam (1) and the bottom plate of the right outer beam (2).
4. The new battery box liquid cooling structure according to claim 1 is characterized in that: A plurality of threaded holes are provided on the bottom plate of the left outer beam (1) for threadedly connecting the first water nozzle (5) and the first adapter nozzle (7).
5. The new battery box liquid cooling structure according to claim 1 is characterized in that: A plurality of threaded holes are provided on the bottom plate of the right outer beam (2) for threadedly connecting the second water nozzle (6) and the second adapter nozzle (8).
6. The new battery box liquid cooling structure according to claim 1 is characterized in that: The front outer beam (3) is provided with a plurality of openings for passing the first water nozzle (5) and the second water nozzle (6).
7. The new battery box liquid cooling structure according to claim 1 is characterized in that: The first water nozzle (5) is connected to the second adapter nozzle (8) via a second connecting pipe (10), and the second water nozzle (6) is connected to the first adapter nozzle (7) via a first connecting pipe (9).
8. The new battery box liquid cooling structure according to claim 7 is characterized in that: The first connecting tube (9) and the second connecting tube (10) are both in a concave shape.
9. The new battery box liquid cooling structure according to claim 1 is characterized in that: The cavity structure is provided with a plurality of longitudinal and transverse reinforcing ribs for dividing the cavity into a plurality of cavities to increase the reliability of the battery box body.
10. The new battery box liquid cooling structure according to claim 9 is characterized in that: The plurality of reinforcing ribs divide the cavity structure into a first liquid cooling channel (11), a second liquid cooling channel (12), a third liquid cooling channel (13) and a fourth liquid cooling channel (14) at equal distances.