Protective shell for lithium ion battery
By designing a protective case for lithium-ion batteries, using fixing mechanisms and heat dissipation mechanisms, the problem of damage to lithium-ion batteries during collisions is solved, stable fixation and efficient heat dissipation of lithium-ion batteries are achieved, and the service life of the battery is extended.
Patent Information
- Application Number
- CN202420472381.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-12
- Publication Date
- 2024-12-10
- Estimated Expiration
- 2034-03-12
AI Technical Summary
The existing lithium-ion battery protection device does not have a fixed structure for lithium-ion batteries, which leads to the easy damage of lithium-ion batteries in severe collisions.
A protective shell including a fixing mechanism, a protective mechanism and a heat dissipation mechanism is designed to ensure the stable fixation of the lithium-ion battery through components such as hollow rods, extended rods, curved clamps, anti-slip pads, protective shells, heat dissipation wings and dustproof nets. and efficient heat dissipation.
Effectively prevent lithium-ion batteries from being damaged by collisions, and reduce temperature by increasing heat dissipation strength and extend battery service life.
Smart Images
Figure CN222146479U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of lithium batteries, in particular to a protective shell for lithium ion batteries. Background Art
[0002] Lithium-ion battery is a secondary battery that mainly relies on the movement of lithium ions between the positive and negative electrodes to work. During the charge and discharge process, Li is embedded and de-embedded between the two electrodes: when charging, Li is de-embedded from the positive electrode and embedded into the negative electrode through the electrolyte, and the negative electrode is in a lithium-rich state; when discharging, the opposite is true. Lithium batteries are divided into lithium batteries and lithium-ion batteries. Mobile phones and laptops all use lithium-ion batteries, which are commonly referred to as lithium batteries. Batteries generally use materials containing lithium as electrodes and are the representative of modern high-performance batteries. Real lithium batteries are rarely used in daily electronic products due to their high risk.
[0003] The existing lithium-ion battery protection device does not have a structure for fixing the lithium-ion battery during use, resulting in the lithium-ion battery being damaged due to shaking when subjected to a severe collision. Utility Model Content
[0004] The purpose of the utility model is to provide a protective shell for a lithium-ion battery to solve the problems raised in the above background technology.
[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:
[0006] A protective shell for a lithium-ion battery comprises a fixing mechanism, a protective mechanism is fixedly connected to the outside of the fixing mechanism, a heat dissipation mechanism is fixedly connected to the front and rear sides of the protective mechanism, and a lithium-ion battery is arranged inside the protective mechanism.
[0007] The fixing mechanism comprises a hollow rod, an extension rod is sleeved inside the hollow rod, threaded holes are provided on the surfaces of the hollow rod and the extension rod, a fixing bolt is threadedly connected to the inner thread of the threaded hole, and the fixing bolt passes through the hollow rod and the extension rod.
[0008] A further improvement of the technical solution of the utility model is that: the front section of the extension rod is fixedly connected with an arc-shaped clamping plate, the front side of the arc-shaped clamping plate is fixedly connected with an anti-skid pad, the fixing mechanism is perpendicular to the central axis of the lithium-ion battery, and the anti-skid pad can enhance the friction with the surface of the lithium-ion battery, thereby improving the fixing effect of the lithium-ion battery.
[0009] A further improvement of the technical solution of the utility model is that: the protective mechanism includes a protective shell, the protective shell is arranged on the outside of the lithium-ion battery, the left and right sides of the inner wall of the protective shell are fixedly connected to the outside of the hollow rod, and the front and rear sides of the protective shell are provided with ventilation holes. The ventilation holes are arranged on the front and rear sides of the protective shell, so as to promote air circulation inside and outside the protective shell, thereby improving the heat dissipation intensity.
[0010] A further improvement of the technical solution of the utility model is that: a buffer pad with holes is fixedly connected to the inner bottom surface of the protective shell, the upper surface of the buffer pad with holes is in contact with the bottom of the lithium-ion battery, the top of the inner wall of the protective shell is fixedly connected to a limiting frame, and a plurality of holes are provided at the bottom of the buffer pad with holes, thereby reducing the contact area with the bottom of the lithium-ion battery, thereby improving the heat dissipation effect of the lithium-ion battery.
[0011] A further improvement of the technical solution of the utility model is that a rubber pad is sleeved on the outside of the limit frame, an upper cover is fixedly connected to the top of the rubber pad, a pull ring is fixedly connected to the upper surface of the upper cover, and the upper cover and the rubber pad are pressed downward so that the rubber pad wraps the limit frame, thereby fixing the upper cover.
[0012] A further improvement of the technical solution of the utility model is that the heat dissipation mechanism includes heat dissipation fins and a dustproof net, the bottom of the heat dissipation fins is fixedly connected to the inner wall of the vent and is located on the front side of the protective shell, the dustproof net is fixedly connected to the inner wall of the vent and is located on the rear side of the protective shell, the heat dissipation fins can absorb the heat inside the protective shell, thereby reducing the heat of the lithium-ion battery and preventing the lithium-ion battery from being damaged due to excessive temperature.
[0013] A further improvement of the technical solution of the utility model is that: the back of the dustproof net is fixedly connected to a support frame, the interior of the support frame is sleeved with an electric rotating rod, the surface of the electric rotating rod is fixedly connected with a heat dissipation fan blade, and the dustproof net can block external dust and prevent dust from covering the surface of the lithium-ion battery.
[0014] Due to the adoption of the above technical solution, the utility model has achieved the following technical progress compared with the prior art:
[0015] 1. The utility model provides a protective shell for a lithium-ion battery. According to the size of the lithium-ion battery, two groups of extension rods are pulled toward the middle of the protective shell respectively, driving the arc-shaped clamping plate and the anti-skid pad to move synchronously so that they fit with the surface of the lithium-ion battery. Then, the fixing bolts are screwed into the threaded holes to fix the positions of the extension rods, thereby fixing the lithium-ion battery, ensuring the stability of the lithium-ion battery, and achieving the effect of protecting the lithium-ion battery.
[0016] 2. The utility model provides a protective shell for lithium-ion batteries. The heat dissipation fins absorb the heat inside the protective shell. The electric rotating rod runs to drive the heat dissipation fan blades to rotate, so that the outside wind is blown into the protective shell through the dustproof net, and the air in the protective shell is driven to be discharged through the vents on the front side. At the same time, the wind blows toward the heat dissipation fins, thereby increasing the heat dissipation speed of the heat dissipation fins themselves, thereby increasing the heat dissipation strength of the lithium-ion battery, and playing a protective effect on the lithium-ion battery. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0018] Figure 2 This is a schematic diagram of the fixing mechanism structure of the utility model;
[0019] Figure 3 This is a schematic diagram of the protection mechanism structure of the utility model;
[0020] Figure 4 It is a structural schematic diagram of the heat dissipation mechanism of the utility model.
[0021] In the figure: 1. fixing mechanism; 11. hollow rod; 12. extension rod; 13. threaded hole; 14. fixing bolt; 15. arc-shaped splint; 16. anti-skid pad; 2. protection mechanism; 21. protective shell; 22. vent; 23. buffer pad with holes; 24. limit frame; 25. rubber pad; 26. upper cover; 27. pull ring; 3. heat dissipation mechanism; 31. heat dissipation fin; 32. dustproof net; 33. support frame; 34. electric rotating rod; 35. heat dissipation fan blade; 4. lithium-ion battery. DETAILED DESCRIPTION
[0022] The present invention is further described in detail below in conjunction with the embodiments:
[0023] Example 1
[0024] like Figure 1-4 As shown, the utility model provides a protective shell for a lithium-ion battery, comprising a fixing mechanism 1, a protective mechanism 2 is fixedly connected to the outside of the fixing mechanism 1, a heat dissipation mechanism 3 is fixedly connected to the front and rear sides of the protective mechanism 2, a lithium-ion battery 4 is arranged inside the protective mechanism 2, the fixing mechanism 1 comprises a hollow rod 11, an extension rod 12 is sleeved inside the hollow rod 11, threaded holes 13 are provided on the surfaces of the hollow rod 11 and the extension rod 12, a fixing bolt 14 is threadedly connected to the inside of the threaded hole 13, and the fixing bolt 14 passes through the hollow rod 11 and the extension rod 12, a front section of the extension rod 12 is fixedly connected to an arc-shaped clamping plate 15, a front side of the arc-shaped clamping plate 15 is fixedly connected to an anti-slip pad 16, and the fixing mechanism 1 is perpendicular to the central axis of the lithium-ion battery 4;
[0025] Specifically, the lithium-ion battery 4 is placed in the protective shell 21, and then according to the size of the lithium-ion battery 4, the two groups of extension rods 12 are pulled toward the middle of the protective shell 21 respectively, thereby driving the arc-shaped clamping plate 15 and the anti-slip pad 16 to move so that they fit with the surface of the lithium-ion battery 4, and then the fixing bolt 14 is screwed into the threaded hole 13 to fix the position of the extension rod 12, thereby fixing the lithium-ion battery 4, and ensuring the stability of the lithium-ion battery 4.
[0026] Example 2
[0027] like Figure 1-4 As shown, on the basis of embodiment 1, the utility model provides a technical solution: preferably, the protection mechanism 2 includes a protective shell 21, the protective shell 21 is arranged on the outside of the lithium-ion battery 4, the left and right sides of the inner wall of the protective shell 21 are fixedly connected to the outside of the hollow rod 11, the front and rear sides of the protective shell 21 are provided with ventilation holes 22, the inner bottom surface of the protective shell 21 is fixedly connected with a buffer pad 23 with holes, the upper surface of the buffer pad 23 with holes is in contact with the bottom of the lithium-ion battery 4, the top of the inner wall of the protective shell 21 is fixedly connected with a limiting frame 24, the outer part of the limiting frame 24 is sleeved with a rubber pad 25, the top of the rubber pad 25 is fixedly connected with an upper cover 26, and the upper surface of the upper cover 26 is fixedly connected with a pull ring 27;
[0028] Specifically, ventilation holes 22 are provided on the front and rear sides of the protective shell 21 to promote air circulation inside and outside the protective shell 21. A plurality of holes are provided at the bottom of the perforated buffer pad 23 to reduce the contact area with the bottom of the lithium-ion battery 4, thereby improving the heat dissipation effect of the lithium-ion battery. After the lithium-ion battery 4 is placed, the upper cover 26 and the rubber pad 25 are pressed toward the inside of the protective shell 21 so that the rubber pad 25 is sleeved on the outside of the limit frame 24, thereby fixing the upper cover 26. The protective shell 21 and the upper cover 26 cooperate to wrap the front of the lithium-ion battery 4, thereby protecting the lithium-ion battery 4. The pull ring 27 is pulled upward, thereby driving the upper cover 26 and the rubber pad 25 to leave the inside of the protective shell 21, thereby facilitating the disassembly and assembly of the lithium-ion battery 4.
[0029] Example 3
[0030] like Figure 1-4 As shown, on the basis of Example 1, the utility model provides a technical solution: preferably, the heat dissipation mechanism 3 includes a heat dissipation fin 31 and a dustproof net 32, the bottom of the heat dissipation fin 31 is fixedly connected to the inner wall of the vent 22 and is located on the front side of the protective shell 21, the dustproof net 32 is fixedly connected to the inner wall of the vent 22 and is located on the rear side of the protective shell 21, the back of the dustproof net 32 is fixedly connected to a support frame 33, the interior of the support frame 33 is sleeved with an electric rotating rod 34, and the surface of the electric rotating rod 34 is fixedly connected to a heat dissipation fan blade 35;
[0031] Specifically, the heat dissipation fins 31 absorb the heat inside the protective shell 21, and the electric rotating rod 34 runs, driving the heat dissipation fan blades 35 to rotate, thereby blowing the outside wind into the protective shell 21 through the dustproof net 32, driving the air in the protective shell 21 to be discharged through the vents 22 on the front side, and at the same time increasing the heat dissipation speed of the heat dissipation fins 31, thereby improving the heat dissipation effect of the lithium-ion battery 4.
[0032] The working principle of the protective case for lithium-ion batteries is described in detail below.
[0033] like Figure 1-4 As shown, the lithium-ion battery 4 is placed in the protective shell 21 so that its bottom is in contact with the upper surface of the buffer pad 23 with holes, and then the extension rod 12 is pulled toward the middle of the protective shell 21, thereby driving the arc-shaped clamping plate 15 and the anti-slip pad 16 to contact with the surface of the lithium-ion battery 4, and the fixing bolt 14 is rotated to fix the position of the extension rod 12, so that the lithium-ion battery 4 can be fixed to ensure the stability of the lithium-ion battery 4, and then the upper cover 26 and the rubber pad 25 are pressed into the inside of the protective shell 21, so that the rubber pad 25 is sleeved on the outside of the limit frame 24, so that the upper cover 26 can be fixed, and when the temperature inside the protective shell 21 is high, the electric rotating rod 34 is started, and the heat dissipation fan blades 35 are rotated to promote air circulation inside and outside the protective shell 21, while increasing the heat dissipation speed of the heat dissipation fins 31, thereby reducing the temperature of the lithium-ion battery 4 and protecting it.
[0034] The above generally describes the present invention in detail, but it is obvious to a person skilled in the art that some modifications or improvements can be made to the present invention. Therefore, modifications or improvements that do not deviate from the spirit of the present invention are within the scope of protection of the present invention.
Claims
1. A protective case for a lithium-ion battery, comprising a fixing mechanism (1), characterized in that: The outer side of the fixing mechanism (1) is fixedly connected to a protection mechanism (2), the front and rear sides of the protection mechanism (2) are fixedly connected to a heat dissipation mechanism (3), and the interior of the protection mechanism (2) is provided with a lithium-ion battery (4); The fixing mechanism (1) comprises a hollow rod (11), an extension rod (12) is sleeved inside the hollow rod (11), threaded holes (13) are provided on the surfaces of the hollow rod (11) and the extension rod (12), a fixing bolt (14) is threadedly connected inside the threaded hole (13), and the fixing bolt (14) passes through the hollow rod (11) and the extension rod (12).
2. A protective shell for a lithium-ion battery according to claim 1, characterized in that: The front section of the extension rod (12) is fixedly connected to an arc-shaped clamping plate (15), the front side of the arc-shaped clamping plate (15) is fixedly connected to an anti-slip pad (16), and the fixing mechanism (1) is perpendicular to the central axis of the lithium-ion battery (4).
3. A protective shell for a lithium-ion battery according to claim 1, characterized in that: The protection mechanism (2) comprises a protection shell (21), the protection shell (21) being arranged outside the lithium-ion battery (4), the left and right sides of the inner wall of the protection shell (21) being fixedly connected to the outside of the hollow rod (11), and the front and rear sides of the protection shell (21) being provided with ventilation holes (22).
4. A protective shell for a lithium-ion battery according to claim 3, characterized in that: A buffer pad (23) with holes is fixedly connected to the inner bottom surface of the protective shell (21), the upper surface of the buffer pad (23) with holes is in contact with the bottom of the lithium-ion battery (4), and a limiting frame (24) is fixedly connected to the top of the inner wall of the protective shell (21).
5. A protective shell for a lithium-ion battery according to claim 4, characterized in that: The outer portion of the limiting frame (24) is sleeved with a rubber pad (25), the top of the rubber pad (25) is fixedly connected to an upper cover (26), and the upper surface of the upper cover (26) is fixedly connected to a pull ring (27).
6. A protective shell for a lithium-ion battery according to claim 1, characterized in that: The heat dissipation mechanism (3) comprises heat dissipation fins (31) and a dustproof net (32); the bottom of the heat dissipation fins (31) is fixedly connected to the inner wall of the ventilation opening (22) and is located at the front side of the protective shell (21); the dustproof net (32) is fixedly connected to the inner wall of the ventilation opening (22) and is located at the rear side of the protective shell (21).
7. A protective shell for a lithium-ion battery according to claim 6, characterized in that: The back of the dustproof net (32) is fixedly connected to a support frame (33), the interior of the support frame (33) is sleeved with an electric rotating rod (34), and the surface of the electric rotating rod (34) is fixedly connected to a heat dissipation fan blade (35).