Small-electric-quantity high-voltage lithium ion battery
By designing an integrated liquid-cooling box structure and a liquid-cooling tube circulation cooling system, the problems of low energy density and poor safety of special vehicles and RV batteries are solved, and the safety and heat dissipation effect of high-voltage lithium-ion batteries are improved.
Patent Information
- Application Number
- CN202422702778.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-06
- Publication Date
- 2025-08-26
- Estimated Expiration
- 2034-11-06
AI Technical Summary
The existing 48V lead-acid or simple lithium battery systems for special vehicles and RVs have low energy density, low fuel economy, poor safety and reliability, and the battery is prone to spontaneous combustion at high temperatures and poor heat dissipation effect.
A small-voltage high-voltage lithium-ion battery is designed, adopting an integrated liquid-cooling box structure, with a partition inside to form a battery tank, equipped with a liquid-cooling tube circulation cooling, smoke detection module and fire extinguishing system, ensuring insulation and heat dissipation effect and enhancing safety.
It improves the safety and heat dissipation effect of the battery, avoids leakage, monitors and extinguishes fires, and enhances the safety of the battery's use and heat dissipation performance.
Smart Images
Figure CN223273478U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium batteries, in particular to a small-capacity high-voltage lithium-ion battery. Background Art
[0002] The specialty vehicle and RV market generally uses a 48V generator paired with a 48V lead-acid or simple lithium battery as the RV power source to drive the upper equipment. These systems generally suffer from low energy density, poor fuel economy, and poor safety and reliability. The batteries are prone to high temperatures, which can cause spontaneous combustion, and the batteries also have poor heat dissipation. To address these issues, the following solution is proposed. Utility Model Content
[0003] The utility model aims to provide a small-capacity, high-voltage lithium-ion battery, which has the advantages of high safety and good heat dissipation effect.
[0004] The above technical objectives of the present invention are achieved through the following technical solutions:
[0005] A low-capacity, high-voltage lithium-ion battery comprises an integrated liquid cooling box, a box cover being connected to the top of the integrated liquid cooling box, a plurality of partitions being fixedly provided in the integrated liquid cooling box, and a plurality of battery slots being formed by the partitions, a control module being provided in the integrated liquid cooling box, a plurality of connecting wires being connected to the control module, the other ends of the plurality of connecting wires being respectively located in a plurality of battery slots, a smoke detection module being further provided in the integrated liquid cooling box, a fire extinguishing interface and an explosion-proof valve being provided on one side of the box cover, an MSD interface and a semi-integrated connector interface being provided on one side of the integrated liquid cooling box, and both the MSD interface and the semi-integrated connector interface being connected to the control module.
[0006] Preferably, two liquid cooling interfaces are provided on one side of the integrated liquid cooling box, and liquid cooling pipes are densely distributed in the integrated liquid cooling box, and the liquid cooling pipes are respectively connected to the two liquid cooling interfaces.
[0007] Preferably, a plurality of heat-conducting insulating sheets are provided on the inner top of the box cover, and the plurality of heat-conducting insulating sheets are respectively located above a plurality of battery slots.
[0008] Preferably, a plurality of threaded grooves are provided on the upper end of the integrated liquid cooling box, a gasket is also provided on the upper end of the integrated liquid cooling box, a plurality of locking screws are passed through the box cover, and the lower ends of the plurality of locking screws are respectively located in the threaded grooves.
[0009] Preferably, a plurality of mounting plates are connected to the outer side of the integrated liquid cooling box, and each mounting plate is provided with a mounting hole.
[0010] The beneficial effects of the utility model are:
[0011] 1. The gasket can increase the overall sealing of the battery to avoid leakage. Several thermally conductive insulating sheets can ensure the insulation performance between the high-voltage lithium-ion battery cell and the box cover, and can play a certain role in heat conduction and heat dissipation. The coolant pipe is connected through two liquid cooling interfaces, and the coolant circulation can be realized through the liquid cooling pipe to achieve the heat dissipation effect.
[0012] 2. The smoke detection module can monitor whether there is smoke generated in the battery, thereby determining whether there is an open flame in the battery. Fire extinguishing liquid or gas can be connected through the fire extinguishing interface and explosion-proof valve to extinguish the fire inside the battery, further ensuring the safety of battery use. BRIEF DESCRIPTION OF THE DRAWINGS
[0013] Figure 1 It is a structural diagram of an embodiment;
[0014] Figure 2 This is a structural diagram of an embodiment without the box cover;
[0015] Figure 3 for Figure 2 Magnified view of area A in center.
[0016] Figure numerals: 1. integrated liquid cooling box; 2. box cover; 3. partition; 4. battery slot; 5. control module; 6. connecting harness; 7. smoke detection module; 8. fire extinguishing interface; 9. explosion-proof valve; 10. MSD interface; 11. semi-integrated connector interface; 12. liquid cooling interface; 13. thermal insulation sheet; 14. threaded groove; 15. gasket; 16. locking screw; 17. mounting plate; 18. mounting hole. DETAILED DESCRIPTION
[0017] The following is only a preferred embodiment of the present invention, and the scope of protection is not limited to this embodiment. All technical solutions under the concept of the present invention should fall within the scope of protection of the present invention. The same parts are represented by the same figure marks. It should be noted that the words "front", "rear", "left", "right", "up" and "down" used in the following description refer to the directions in the accompanying drawings, and the words "bottom" and "top", "inside" and "outside" refer to the directions toward or away from the geometric center of a specific component, respectively.
[0018] like Figures 1 to 3As shown, a small-capacity, high-voltage lithium-ion battery includes an integrated liquid cooling box 1, a box cover 2 is connected above the integrated liquid cooling box 1, a plurality of threaded grooves 14 are provided on the upper end of the integrated liquid cooling box 1, a gasket 15 is also provided on the upper end of the integrated liquid cooling box 1, a plurality of locking screws 16 are passed through the box cover 2, and the lower ends of the plurality of locking screws 16 are respectively located in the threaded grooves 14. The integrated liquid cooling box 1 and the box cover 2 can be fixed and disassembled by the plurality of locking screws 16, and the gasket 15 can increase the overall sealing of the battery, thereby avoiding leakage.
[0019] The integrated liquid cooling box 1 is built with several partitions 3, which form a number of battery slots 4, which can accommodate high-voltage lithium-ion cells. The top of the box cover 2 is equipped with several thermally conductive insulation sheets 13, which are positioned above the battery slots 4. These sheets ensure insulation between the high-voltage lithium-ion cells and the box cover 2, while also providing a certain degree of heat dissipation.
[0020] Two liquid cooling ports 12 are provided on one side of the integrated liquid cooling box 1. Liquid cooling pipes (not shown) are densely distributed throughout the integrated liquid cooling box 1, and these pipes are connected to the two liquid cooling ports 12. After the battery is installed, the coolant pipes can be fed through the two liquid cooling ports 12, and the coolant circulates through the liquid cooling pipes, thereby achieving a heat dissipation effect. Several mounting plates 17 are also connected to the outside of the integrated liquid cooling box 1, each with a mounting hole 18. These mounting plates 17 and mounting holes 18 allow for secure installation of the battery.
[0021] The integrated liquid cooling box 1 is provided with a control module 5, to which are connected several connecting wires 6. The other ends of the several connecting wires 6 are respectively located in several battery slots 4. The several connecting wires 6 enable connection between the control module 5 and the high-voltage lithium-ion battery cells. The integrated liquid cooling box 1 is also provided with a smoke detection module 7. A fire extinguishing interface 8 and an explosion-proof valve 9 are provided on one side of the box cover 2. The smoke detection module 7 can monitor whether smoke is generated in the battery, thereby determining whether the battery has an open flame. Fire extinguishing liquid or gas can be connected through the fire extinguishing interface 8 and the explosion-proof valve 9 to extinguish the fire inside the battery, further ensuring the safety of the battery. An MSD interface 10 and a semi-integrated connector interface 11 are provided on one side of the integrated liquid cooling box 1. Both the MSD interface 10 and the semi-integrated connector interface 11 are connected to the control module 5. Through the MSD interface 10 and the semi-integrated connector interface 11, they can be connected to the wiring harness on the new energy vehicle for convenient battery use.
[0022] The specific embodiments described above further illustrate the technical problems, technical solutions and beneficial effects solved by the present invention. It should be understood that the above are only specific embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.
Claims
1. A low-capacity, high-voltage lithium-ion battery, characterized in that: The invention comprises an integrated liquid cooling box (1), wherein a box cover (2) is connected to the upper portion of the integrated liquid cooling box (1), a plurality of partitions (3) are fixedly provided in the integrated liquid cooling box (1), and a plurality of battery slots (4) are formed by the partitions (3), a control module (5) is provided in the integrated liquid cooling box (1), a plurality of connection harnesses (6) are connected to the control module (5), and the other ends of the plurality of connection harnesses (6) are respectively located in the plurality of battery slots (4), a smoke detection module (7) is further provided in the integrated liquid cooling box (1), a fire extinguishing interface (8) and an explosion-proof valve (9) are provided on one side of the box cover (2), an MSD interface (10) and a semi-integrated connector interface (11) are provided on one side of the integrated liquid cooling box (1), and the MSD interface (10) and the semi-integrated connector interface (11) are both connected to the control module (5).
2. A low-capacity, high-voltage lithium-ion battery according to claim 1, characterized in that: Two liquid cooling interfaces (12) are provided on one side of the integrated liquid cooling box (1), and liquid cooling pipes are densely distributed inside the integrated liquid cooling box (1), and the liquid cooling pipes are respectively connected to the two liquid cooling interfaces (12).
3. A low-capacity, high-voltage lithium-ion battery according to claim 2, characterized in that: A plurality of heat-conducting insulating sheets (13) are provided on the inner top of the box cover (2), and the plurality of heat-conducting insulating sheets (13) are respectively located above a plurality of battery slots (4).
4. A low-capacity, high-voltage lithium-ion battery according to claim 3, characterized in that: The upper end of the integrated liquid cooling box (1) is provided with a plurality of threaded grooves (14), and the upper end of the integrated liquid cooling box (1) is also provided with a gasket (15). The box cover (2) is provided with a plurality of locking screws (16), and the lower ends of the plurality of locking screws (16) are respectively located in the threaded grooves (14).
5. A low-capacity, high-voltage lithium-ion battery according to claim 4, characterized in that: The outer side of the integrated liquid cooling box (1) is further connected to a plurality of mounting plates (17), and each mounting plate (17) is provided with a mounting hole (18).