Corrosion-resistant lithium ion battery

Abstract

The utility model provides a corrosion-resistant lithium ion battery, which relates to the technical field of lithium ion batteries and comprises a lithium battery box, heat-conducting plates are symmetrically fixed on the bottom surface of the inner side of the lithium battery box, the side surfaces of the heat-conducting plates are attached to the side surfaces of a lithium battery pack, radiating air holes are formed in the two side surfaces of the lithium battery box, and mounting plates are fixed on the inner walls of the radiating air holes. A heat dissipation fan is rotatably connected to the inner side face of the mounting plate, a driving motor is fixed to the outer side face of the mounting plate, the heat dissipation fan is driven by the driving motor, and when the lithium battery works, the driving motor drives the heat dissipation fan to rotate and blow air to the outside of the box; the heat conduction plate attached to the side face of the lithium battery pack can transmit heat generated in the lithium battery when the lithium battery works outwards, the heat is dissipated into air in the box through the heat conduction plate, then the heat is blown out through the cooling fan, the heat generated by the lithium battery pack when the lithium battery pack works can be dissipated in time through the arranged cooling device, and the service life of the lithium battery pack is prolonged. And the corrosion phenomenon caused by too high internal temperature of the lithium battery is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of lithium ion batteries, in particular to a corrosion-resistant lithium ion battery. Background Art

[0002] Lithium batteries are a type of battery that uses lithium metal or lithium alloy as positive and negative electrode materials and a non-aqueous electrolyte solution. Due to the extremely active chemical properties of lithium metal, the processing, storage, and use of lithium metal have very high environmental requirements.

[0003] In the prior art, a battery pack is a group of batteries stored in a container, and is mainly composed of multiple rechargeable batteries. When a lithium battery is working, a series of electrochemical reactions occurring inside it will generate a large amount of heat. The large amount of heat accumulation will cause the temperature inside the lithium battery to rise, and the high temperature will accelerate the aging of the internal materials of the battery, and the electrolyte inside the battery will leak, thereby causing corrosion of the battery shell. When the temperature inside the lithium battery pack reaches a certain value, the battery will explode, damage the battery, or even catch fire, causing harm to people around. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and provides a corrosion-resistant lithium-ion battery.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a corrosion-resistant lithium-ion battery, comprising a lithium battery box, a cover plate is provided on the top of the lithium battery box, threaded holes are provided on the sides of the lithium battery box and the cover plate, fastening bolts are threadedly connected to the inner wall of the threaded hole, the cover plate is bolted to the lithium battery box through the fastening bolts, a lithium battery pack is provided on the inner bottom surface of the lithium battery box, a heat conducting plate is symmetrically fixed to the inner bottom surface of the lithium battery box, the side of the heat conducting plate is in contact with the side of the lithium battery pack, heat dissipation vents are provided on both sides of the lithium battery box, and a mounting plate is fixed to the inner wall of the heat dissipation vent The inner side of the mounting plate is rotatably connected to a cooling fan, and a driving motor is fixed to the outer side of the mounting plate. The cooling fan is driven by the driving motor. When the lithium battery is working, the driving motor drives the cooling fan to rotate and blow air out of the box. The heat conducting plate attached to the side of the lithium battery pack can transfer the heat generated inside the lithium battery when it is working to the outside. The heat is dissipated into the air in the box by the heat conducting plate, and then the heat is blown out by the cooling fan. The heat generated by the lithium battery pack during work can be dissipated in time through the provided cooling device, thereby avoiding corrosion caused by excessive internal temperature of the lithium battery.

[0006] Preferably, a battery fixing device is provided on the inner side of the lithium battery box, and a threaded rod is symmetrically threadedly connected to the inner wall of the lithium battery box, a limit fixing plate is provided on one end face of the inner side of the threaded rod, a bearing seat is fixed to the side of the limit fixing plate, one end of the inner side of the threaded rod is connected to the bearing of the bearing seat, and a handle is rotatably connected to one end face of the outer side of the threaded rod. In the prior art, the lithium battery pack has no fixing device in the battery box. During transportation or moving operations, it will move back and forth due to bumps, and repeated movement will cause damage to the power cord and affect power transmission. To solve this problem, the utility model adopts a battery fixing device set in the lithium battery box, and the threaded rod is rotated by holding the handle, so that the two limit fixing plates can move inside the lithium battery box, so that the two limit fixing plates can clamp and stabilize the lithium battery pack to prevent it from moving at will due to bumps.

[0007] Preferably, breathable dustproof baffles are fixed on both sides of the lithium battery box. The breathable dustproof baffles can prevent dust and other impurities in the outside air from entering the lithium battery box and affecting the normal operation of the lithium battery pack.

[0008] Preferably, a sealing ring is fixed on the top of the lithium battery box, and the sealing ring is used to seal the cover of the battery pack to prevent impurities from entering the battery pack and damaging the batteries.

[0009] Preferably, a folding handle is rotatably connected to the top of the cover plate, and the battery can be easily transported and moved by the folding handle, and the folding handle saves the overall occupied space.

[0010] Preferably, an ergonomic groove is provided on the surface of the handle, and the ergonomic groove makes it convenient to hold the handle.

[0011] Preferably, a rubber gasket is fixed to the other side of the limit fixing plate, which can buffer the extrusion between the limit fixing plate and the lithium battery pack to prevent the lithium battery pack from being damaged by extrusion.

[0012] Beneficial Effects

[0013] 1. In the prior art, a battery pack is a group of batteries stored in a container, and is mainly composed of a plurality of rechargeable batteries. When a lithium battery is working, a series of electrochemical reactions occurring inside the lithium battery will generate a large amount of heat. A large amount of heat accumulation will cause the temperature inside the lithium battery to rise, and high temperature will accelerate the aging speed of the internal materials of the battery, and the electrolyte inside the battery will leak, thereby causing corrosion of the battery shell. When the temperature inside the lithium battery pack reaches a certain value, the battery will explode, damage the battery, and even catch fire, thereby causing harm to the surrounding personnel. In response to such problems, the utility model adopts the following structure. When the lithium battery is working, the driving motor will drive the cooling fan to rotate and blow air to the outside of the box. The heat conducting plate attached to the side of the lithium battery pack can transfer the heat generated inside the lithium battery when it is working to the outside. The heat is dissipated by the heat conducting plate into the air in the box, and then the heat is blown out by the cooling fan. The heat generated by the lithium battery pack when working can be dissipated in time by the provided cooling device, thereby avoiding corrosion caused by excessively high internal temperature of the lithium battery.

[0014] 2. In the prior art, since there is no fixing device in the battery box, the lithium battery pack will move back and forth due to bumps during transportation or moving operations. The repeated movement will cause damage to the power cord and affect power transmission. To address this problem, the utility model adopts a battery fixing device set in the lithium battery box. The handle is held and the threaded rod is rotated so that the two limit fixing plates can move inside the lithium battery box, so that the two limit fixing plates can clamp and stabilize the lithium battery pack to prevent it from moving at will due to bumps. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure inside the lithium battery box of the utility model;

[0017] Figure 3 It is a three-dimensional structural schematic diagram of the heat dissipation fan of the utility model;

[0018] Figure 4 It is a three-dimensional structural schematic diagram of the battery fixing device in the utility model;

[0019] Figure 5 It is a three-dimensional structural schematic diagram of the limiting fixing plate in the utility model;

[0020] Figure 6 It is a three-dimensional structural schematic diagram of the folding handle in the utility model.

[0021] Legend:

[0022] 1. Lithium battery box; 2. Cover plate; 3. Fastening bolts; 4. Lithium battery pack; 5. Heat conduction plate; 6. Mounting plate; 7. Cooling fan; 8. Driving motor; 9. Battery fixing device; 901. Threaded rod; 902. Limit fixing plate; 903. Grip; 904. Bearing seat; 10. Breathable dustproof baffle; 11. Sealing ring; 12. Ergonomic groove; 13. Rubber gasket; 14. Folding handle. DETAILED DESCRIPTION

[0023] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments and drawings, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0024] The specific embodiments of the present utility model are described below in conjunction with the accompanying drawings. Specific embodiment:

[0026] Reference Figure 1-6 A corrosion-resistant lithium-ion battery comprises a lithium battery box 1, a cover plate 2 is provided on the top of the lithium battery box 1, threaded holes are provided on the sides of the lithium battery box 1 and the cover plate 2, fastening bolts 3 are threadedly connected to the inner wall of the threaded hole, the cover plate 2 is bolted to the lithium battery box 1 through the fastening bolts 3, a lithium battery pack 4 is provided on the inner bottom surface of the lithium battery box 1, a heat conducting plate 5 is symmetrically fixed on the inner bottom surface of the lithium battery box 1, and the side of the heat conducting plate 5 is in contact with the side of the lithium battery pack 4, heat dissipation vents are provided on both sides of the lithium battery box 1, a mounting plate 6 is fixed on the inner wall of the heat dissipation vent, and a heat dissipation vent is rotatably connected to the inner side of the mounting plate 6 The fan 7 and the driving motor 8 are fixed on the outer side of the mounting plate 6, and the cooling fan 7 is driven by the driving motor 8. When the lithium battery is working, the driving motor 8 will drive the cooling fan 7 to rotate and blow air out of the box. The heat conducting plate 5 attached to the side of the lithium battery pack 4 can transfer the heat generated inside the lithium battery when it is working to the outside. The heat is dissipated into the air in the box by the heat conducting plate 5, and then the heat is blown out by the cooling fan 7. The heat generated by the lithium battery pack when working can be dissipated in time by the cooling device, thereby avoiding corrosion caused by excessive internal temperature of the lithium battery.

[0027] A battery fixing device 9 is provided on the inner side of the lithium battery box 1. A threaded rod 901 is symmetrically threadedly connected to the inner wall of the lithium battery box 1. A limit fixing plate 902 is provided on one end face of the inner side of the threaded rod 901. A bearing seat 904 is fixed to the side of the limit fixing plate 902. One end of the inner side of the threaded rod 901 is connected to the bearing seat 904 bearing, and a handle 903 is rotatably connected to the outer end face of the threaded rod 901. An ergonomic groove 12 is provided on the surface of the handle 903, and a rubber gasket 13 is fixed to the other side of the limit fixing plate 902. The threaded rod 901 is rotated by holding the handle 903, so that the two limit fixing plates 902 can move inside the lithium battery box 1, so that the two limit fixing plates 902 can clamp and stabilize the lithium battery pack 4 to prevent it from moving at will due to bumps. The rubber gasket 13 can buffer the extrusion between the limit fixing plate 902 and the lithium battery pack 4 to prevent the lithium battery pack 4 from being squeezed and damaged.

[0028] Breathable dustproof baffles 10 are fixed on both sides of the lithium battery box 1, a sealing ring 11 is fixed on the top of the lithium battery box 1, and a folding handle 14 is rotatably connected to the top of the cover 2. The breathable dustproof baffle 10 can prevent dust and other impurities in the outside air from entering the lithium battery box 1 to prevent them from affecting the normal operation of the lithium battery pack 4. The sealing ring 11 is used to seal the cover 2 of the battery pack to prevent impurities from entering the battery pack and damaging the battery. The folding handle 14 is provided to facilitate the transportation and movement of the battery.

[0029] The working principle of the utility model is as follows: when the lithium battery is working, the driving motor 8 will drive the cooling fan 7 to rotate and blow air to the outside of the box. The heat conducting plate 5 attached to the side of the lithium battery pack 4 can transfer the heat generated inside the lithium battery when it is working to the outside, and the heat is dissipated into the air in the box by the heat conducting plate 5, and then the heat is blown out by the cooling fan 7. The heat generated by the lithium battery pack when working can be dissipated in time through the provided cooling device, thereby avoiding corrosion caused by excessive internal temperature of the lithium battery; the handle 903 is held by hand to rotate the threaded rod 901, so that the two limit fixing plates 902 can move inside the lithium battery box 1, so that the two limit fixing plates 902 can clamp and stabilize the lithium battery pack 4.

[0030] In the present utility model, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may include that the first and second features are in direct contact, or may include that the first and second features are not in direct contact but are in contact through another feature between them. Moreover, a first feature being "above", "above" and "above" a second feature includes that the first feature is directly above and obliquely above the second feature, or simply indicates that the first feature is higher in level than the second feature. A first feature being "below", "below" and "below" a second feature includes that the first feature is directly below and obliquely below the second feature, or simply indicates that the first feature is lower in level than the second feature.

[0031] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A corrosion-resistant lithium-ion battery, comprising a lithium battery box (1), wherein a cover plate (2) is provided on the top of the lithium battery box (1), threaded holes are provided on the sides of the lithium battery box (1) and the cover plate (2), a fastening bolt (3) is threadedly connected to the inner wall of the threaded hole, the cover plate (2) is bolted to the lithium battery box (1) through the fastening bolt (3), and a lithium battery pack (4) is provided on the inner bottom surface of the lithium battery box (1), characterized in that: A heat conducting plate (5) is symmetrically fixed to the bottom surface of the inner side of the lithium battery box (1), and the side surface of the heat conducting plate (5) is in contact with the side surface of the lithium battery pack (4). Both sides of the lithium battery box (1) are provided with heat dissipation holes. A mounting plate (6) is fixed to the inner wall of the heat dissipation hole. A heat dissipation fan (7) is rotatably connected to the inner side surface of the mounting plate (6). A driving motor (8) is fixed to the outer side surface of the mounting plate (6), and the heat dissipation fan (7) is driven by the driving motor (8).

2. A corrosion-resistant lithium-ion battery according to claim 1, characterized in that: A battery fixing device (9) is provided on the inner side of the lithium battery box (1); a threaded rod (901) is symmetrically threadedly connected to the inner wall of the lithium battery box (1); a limit fixing plate (902) is provided on an inner end face of the threaded rod (901); a bearing seat (904) is fixed on the side of the limit fixing plate (902); an inner end of the threaded rod (901) is connected to the bearing of the bearing seat (904); and a handle (903) is rotatably connected to an outer end face of the threaded rod (901).

3. A corrosion-resistant lithium-ion battery according to claim 1, characterized in that: Breathable dustproof baffles (10) are fixed to both side surfaces of the lithium battery box (1).

4. A corrosion-resistant lithium-ion battery according to claim 1, characterized in that: A sealing ring (11) is fixed on the top of the lithium battery box (1).

5. A corrosion-resistant lithium-ion battery according to claim 1, characterized in that: The top of the cover plate (2) is rotatably connected to a folding handle (14).

6. A corrosion-resistant lithium-ion battery according to claim 2, characterized in that: An ergonomic groove (12) is provided on the surface of the handle (903).

7. A corrosion-resistant lithium-ion battery according to claim 2, characterized in that: A rubber gasket (13) is fixed to the other side of the limit fixing plate (902).

Images