Lithium battery energy storage device with protection structure

Abstract

The utility model provides a lithium battery energy storage device with a protection structure, which relates to the technical field of lithium batteries and comprises a lithium battery body, a protection shell and a bottom bin, the protection shell is arranged on the outer side of the lithium battery body, the bottom bin is arranged at the bottom of the protection shell, and a cover plate is hinged to the top of the lithium battery body. A connecting mechanism is arranged between the bottom bin and the lithium battery body, and a nylon layer is arranged in the bottom bin; according to the lithium battery, the bottom bin is in butt joint with the bottom of the protective shell, the fixing clamp is rotated upwards to enable the inner side of the fixing clamp to be attached to the outer edge of the protective shell, and the connecting bolt is screwed to move downwards, so that the bottom end of the connecting bolt is screwed into the connecting hole, and the bottom bin and the protective shell are connected into a whole; and the nylon layer has corrosion resistance and is used for separating the electrolyte, so that accidents caused by contact between the electrolyte and a human body are avoided, and a protection effect is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium batteries, in particular to a lithium battery energy storage device with a protective structure. Background Art

[0002] Lithium batteries use lithium metal or lithium alloy as the negative electrode material and a non-aqueous electrolyte solution. They can be roughly divided into two categories: lithium metal batteries and lithium-ion batteries. Lithium-ion batteries are rechargeable and do not contain metallic lithium. They have advantages such as low self-discharge rate, flat discharge voltage, high nominal voltage, and relatively low environmental pollution. They are widely used in fields such as electronic communications and the digital industry. With the development of technology, lithium batteries have become one of the mainstream batteries.

[0003] Lithium batteries use lithium metal or lithium alloy as the anode material and a non-aqueous electrolyte solution. Existing lithium batteries only have an outer protective shell. When the lithium battery is impacted or scratched by external forces, there is a problem of the side wall or both ends of the shell rupturing. The lithium battery leakage caused by the rupture of the side wall or both ends of the shell is also a problem. The lithium battery electrolyte contains toxic components and can cause harm to the human body. Therefore, the utility model proposes a lithium battery energy storage device with a protective structure to solve the above problems. Utility Model Content

[0004] In response to the above problems, the present invention proposes a lithium battery energy storage device with a protective structure to solve the problem in the prior art that the lithium battery has only a protective shell on the outside, which may cause the lithium battery to leak due to rupture of both ends due to external impact, and the lithium battery electrolyte contains toxic components that may cause harm to the human body.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a lithium battery energy storage device with a protective structure, comprising a lithium battery body, a protective shell and a bottom bin, a protective shell is provided on the outside of the lithium battery body, a bottom bin is provided at the bottom of the protective shell, a cover plate is hinged on the top of the lithium battery body, a connecting mechanism is provided between the bottom bin and the lithium battery body, and a nylon layer is provided inside the bottom bin.

[0006] Further improvements are: the connecting mechanism includes connecting holes, fixing clips and connecting bolts, a group of connecting holes are symmetrically provided on both sides of the bottom of the protective shell, a group of fixing clips are symmetrically hinged on both sides of the bottom bin, the top of the fixing clip is threadedly connected to the connecting bolt, and the bottom end of the connecting bolt is connected to the internal thread of the connecting hole.

[0007] A further improvement is that: electrode columns are symmetrically provided on one side of the lithium battery body, through holes are symmetrically provided on one side of the cover plate, and rubber plugs are clamped inside the through holes, and the positions of the through holes and the electrode columns are parallel to each other.

[0008] Further improvement lies in that the protective shell is symmetrically provided with rectangular air slots on two sides, a fan is installed in the rectangular air slot, and a protective net is fixedly connected to one side of the rectangular air slot.

[0009] Further improvement lies in that the fan comprises a frame, a micro motor and a fan blade, the micro motor is installed in the frame, and the output end of the micro motor is fixedly connected with the fan blade.

[0010] Further improvement lies in that the lithium battery body is fixedly connected with a lock on one side, the cover plate is rotatably connected with a knob on one side, and a locking mechanism is arranged between the knob and the lock.

[0011] Further improvement lies in that the locking mechanism comprises a rotating shaft, a limiting clamp and a nylon sleeve, the bottom end of the knob is fixedly connected with the rotating shaft, the bottom end of the rotating shaft penetrates through the bottom of the cover plate and is fixedly connected with the limiting clamp, the rotating shaft is rotatably connected with the inside of the cover plate through the nylon sleeve, and one end of the limiting clamp is clampedly connected with the lock.

[0012] The utility model discloses the beneficial effect is: the bottom warehouse is docked in the bottom of the protective shell, and the inside of the fixed card is pasted with the outer edge of the protective shell by rotating upward, and the connecting bolt is moved downward by screwing, and the bottom end of the connecting bolt is screwed into the inside of the connecting hole, and the bottom warehouse is connected with the protective shell as a whole, when the electrolyte of lithium battery body leaks, will enter the nylon layer in the bottom warehouse, and the nylon layer has the anticorrosive performance, and is used to separate the electrolyte, avoids the accident caused by contacting with the human body, plays the role of protection, when the electrolyte is handled, the connecting bolt is screwed out from the inside of the connecting hole, and the protective shell is separated from the bottom warehouse, and the bottom warehouse with the leaked electrolyte is directly operated conveniently. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is the front view of the utility model;

[0014] Figure 2 It is the bottom warehouse structure schematic view of the utility model;

[0015] Figure 3 It is the lithium battery body structure schematic view of the utility model;

[0016] Figure 4 It is the protective shell structure schematic view of the utility model;

[0017] Figure 5 It is the locking mechanism structure schematic view of the utility model.

[0018] In the figure: 1. Lithium battery body; 2. Protective shell; 3. Bottom compartment; 4. Cover; 5. Connection hole; 6. Fixing card; 7. Connecting bolt; 8. Nylon layer; 9. Fan; 10. Protective net; 11. Electrode column; 12. Rubber plug; 13. Knob; 14. Rotating shaft; 15. Limit card; 16. Lock; 17. Nylon sleeve. DETAILED DESCRIPTION

[0019] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments. The embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0020] according to Figure 1-5 As shown, this embodiment proposes a lithium battery energy storage device with a protective structure, including a lithium battery body 1, a protective shell 2 and a bottom bin 3. The outer side of the lithium battery body 1 is provided with a protective shell 2, and the bottom of the protective shell 2 is provided with a bottom bin 3. The top of the lithium battery body 1 is hinged with a cover plate 4, and a connecting mechanism is provided between the bottom bin 3 and the lithium battery body 1. A nylon layer 8 is provided inside the bottom bin 3. The bottom bin 3 is fixed to the bottom of the lithium battery body 1 by the connecting mechanism, and the cover plate 4 is rotated upward to open the top of the lithium battery body 1 to place the lithium battery body 1 into the protective shell 2. When the protective shell 2 is impacted and the lithium battery body 1 inside it is damaged, the electrolyte inside the lithium battery body 1 leaks outward, and the electrolyte will fall into the bottom bin 3. A nylon layer 8 is provided on the inside of the bottom bin 3 to isolate the electrolyte and prevent it from being corroded, so as to solve the problem of electrolyte leakage causing harm to the human body.

[0021] The connecting mechanism includes a connecting hole 5, a fixing card 6 and a connecting bolt 7. A group of connecting holes 5 are symmetrically provided on both sides of the bottom of the protective shell 2. A group of fixing cards 6 are symmetrically hinged on both sides of the bottom bin 3. The top of the fixing card 6 is threadedly connected to a connecting bolt 7. The bottom end of the connecting bolt 7 is connected to the internal thread of the connecting hole 5 to dock the bottom bin 3 at the bottom of the protective shell 2. The fixing card 6 is rotated upward so that its inner side fits the outer side of the protective shell 2. The connecting bolt 7 is screwed downward to screw the bottom end of the connecting bolt 7 into the interior of the connecting hole 5 to connect the bottom bin 3 and the protective shell 2 as a whole. When the electrolyte of the lithium battery body 1 leaks, it will enter the nylon layer 8 inside the bottom bin 3. The nylon layer 8 has corrosion resistance and is used to isolate the electrolyte to avoid accidents caused by contact with the human body. When handling the electrolyte, the connecting bolt 7 can be unscrewed from the inside of the connecting hole 5 to separate the protective shell 2 from the bottom bin 3, which is convenient for direct operation of the bottom bin 3 where the leaked electrolyte is stored.

[0022] The lithium battery body 1 is symmetrically provided with an electrode column 11 on one side, the cover plate 4 is symmetrically provided with a through hole on one side, and a rubber plug 12 is clamped in the through hole, the through hole is parallel to the electrode column 11 in position, the rubber plug 12 has elasticity and can be automatically clamped in the through hole to seal it, when it is needed to communicate with the electrode column 11 of the lithium battery body 1 to transmit electric energy, the rubber plug 12 can be pulled out to leak the through hole, so that the electrode column 11 is communicated with the wire.

[0023] The protective shell 2 is symmetrically provided with a rectangular air slot on both sides, the rectangular air slot is internally provided with a fan 9, and the rectangular air slot is fixedly connected with a protective net 10 on one side, the fan 9 comprises a frame, a micro motor and a fan blade, the micro motor is installed in the frame, and the output end of the micro motor is fixedly connected with the fan blade, a large amount of heat energy is generated when the lithium battery body 1 works, the micro motor drives the fan blade to rotate, drives the air in the protective shell 2 to flow outward, and the heat is discharged to the outside of the protective shell 2, so that the lithium battery body 1 is automatically cooled.

[0024] The lithium battery body 1 is internally fixedly connected with a lock catch 16, the cover plate 4 is rotatably connected with a knob 13 on one side, and the knob 13 is provided with a locking mechanism with the lock catch 16.

[0025] The locking mechanism comprises a rotating shaft 14, a limiting clamp 15 and a nylon sleeve 17, the bottom end of the knob 13 is fixedly connected with the rotating shaft 14, the bottom end of the rotating shaft 14 penetrates out of the bottom of the cover plate 4 and is fixedly connected with the limiting clamp 15, the rotating shaft 14 is rotatably connected with the inside of the cover plate 4 through the nylon sleeve 17, one end of the limiting clamp 15 is clamped and connected with the lock catch 16, the knob 13 is connected with the limiting clamp 15 as a whole through the rotating shaft 14, the knob 13 can drive the limiting clamp 15 to rotate and change the position through the rotating shaft 14, whether one end of the limiting clamp 15 is clamped with the inside of the lock catch 16 is controlled, when the cover plate 4 is in the clamped state, the cover plate 4 is locked, so that the cover plate 4 is not suddenly opened due to external force, when the cover plate 4 is in the unclamped state, the limiting clamp 15 is not in contact with the lock catch 16, and the cover plate 4 is released from the limitation of the lithium battery body 1, the cover plate 4 can be rotated upward to open the top of the lithium battery body 1, the friction coefficient of the nylon sleeve 17 is large, and a large friction force is generated, so that the knob 13 is automatically locked in position after rotating the limiting clamp 15.

[0026] The lithium battery energy storage device, the bottom bin 3 is butted at the bottom of the protective shell 2, the inside of the fixed clamping 6 is made to be attached with the outer edge of the protective shell 2 by rotating upward, the connecting bolt 7 is moved downward by screwing, the bottom end of the connecting bolt 7 is screwed into the inside of the connecting hole 5, the bottom bin 3 is connected with the protective shell 2 as a whole, when the electrolyte of the lithium battery body 1 leaks, the nylon layer 8 in the inside of the bottom bin 3 is entered, the nylon layer 8 has the anticorrosive performance, the electrolyte is separated, accidents caused by contacting with the human body are avoided, the protective effect is achieved, when the electrolyte is handled, the connecting bolt 7 is screwed out from the inside of the connecting hole 5, the protective shell 2 is separated from the bottom bin 3, the bottom bin 3 with leaked electrolyte is directly operated.

[0027] The basic principle, main features and advantages of the utility model are shown and described above.The skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments, the above-mentioned embodiments and the description in the specification are only for illustrating the principle of the utility model, under the premise of not departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, these changes and improvements all fall into the scope of the utility model claimed to be protected.The scope of protection of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A lithium battery energy storage device with a protective structure, comprising a lithium battery body (1), a protective shell (2) and a bottom compartment (3), characterized in that: A protective shell (2) is provided on the outside of the lithium battery body (1), a bottom compartment (3) is provided at the bottom of the protective shell (2), a cover plate (4) is hingedly connected to the top of the lithium battery body (1), a connecting mechanism is provided between the bottom compartment (3) and the lithium battery body (1), and a nylon layer (8) is provided inside the bottom compartment (3); The connecting mechanism comprises a connecting hole (5), a fixing clamp (6) and a connecting bolt (7); a group of connecting holes (5) are symmetrically provided on both sides of the bottom of the protective shell (2); a group of fixing clamps (6) are symmetrically hinged on both sides of the bottom bin (3); the top of the fixing clamp (6) is threadedly connected to the connecting bolt (7); and the bottom end of the connecting bolt (7) is threadedly connected to the inner thread of the connecting hole (5).

2. The lithium battery energy storage device with a protective structure according to claim 1, characterized in that: One side of the lithium battery body (1) is symmetrically provided with an electrode column (11), and one side of the cover plate (4) is symmetrically provided with a through hole, and a rubber plug (12) is engaged inside the through hole, and the through hole and the electrode column (11) are vertically parallel.

3. The lithium battery energy storage device with a protective structure according to claim 1, characterized in that: Rectangular slots are symmetrically provided on both sides of the protective shell (2), a fan (9) is installed inside the rectangular slot, and a protective net (10) is fixedly connected to one side of the rectangular slot.

4. The lithium battery energy storage device with a protective structure according to claim 3, characterized in that: The fan (9) comprises a frame, a micro motor and fan blades. The micro motor is mounted inside the frame, and the output end of the micro motor is fixedly connected to the fan blades.

5. The lithium battery energy storage device with a protective structure according to claim 1, characterized in that: A lock buckle (16) is fixedly connected to one side of the interior of the lithium battery body (1), a knob (13) is rotatably connected to one side of the cover plate (4), and a locking mechanism is provided between the knob (13) and the lock buckle (16).

6. The lithium battery energy storage device with a protective structure according to claim 5, characterized in that: The locking mechanism comprises a rotating shaft (14), a limiting card (15) and a nylon sleeve (17); the bottom end of the knob (13) is fixedly connected to the rotating shaft (14); the bottom end of the rotating shaft (14) passes through the bottom of the cover plate (4) and is fixedly connected to the limiting card (15); the rotating shaft (14) is rotatably connected to the inside of the cover plate (4) through the nylon sleeve (17); one end of the limiting card (15) is engaged with the lock buckle (16).

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