A lithium battery protection structure for a lithium battery lawn mower
By designing a lithium battery protective structure integrating water-cooled circulation and air heat dissipation in a lithium battery lawn mower, the problem of poor heat dissipation of lithium batteries is solved, efficient cooling and safe use of lithium batteries is achieved, the life of lithium batteries is extended, and shock-proof and fire-proof protection is provided.
Patent Information
- Application Number
- CN202421425529.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-21
- Publication Date
- 2025-04-11
- Estimated Expiration
- 2034-06-21
AI Technical Summary
The existing lithium battery protective structure dissipates heat too slowly in lithium battery lawn mowers and cannot effectively cool down, resulting in overheating of lithium batteries.
A protective structure of lithium battery for lithium battery lawn mowers is designed, using a combination of water-cooled circulation pipe, water pump, water tank, heat dissipation fins, carrier frame, drive motor and fan to achieve efficient heat dissipation of lithium batteries through water-cooled circulation and air flow.
Effectively reduce the temperature of lithium batteries, increase the safety of lithium batteries, prevent overheating, extend the service life of lithium batteries, and further improve the protection effect of lithium batteries through shock and fire prevention measures.
Smart Images

Figure CN222749568U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field related to lithium battery protection structures, in particular to a lithium battery protection structure for a lithium battery lawn mower. Background Art
[0002] A lithium battery lawn mower is an electric lawn mower that uses a lithium battery as a power source. This lawn mower consists of a cutter disc, an engine, a traveling wheel, a traveling mechanism, a blade, an armrest, and a control part. It is mainly used for mowing lawns, vegetation, etc. It is usually used in garden decoration pruning, urban streets, green scenic spots, pastoral pruning, field weeding, etc. It is widely used. On the other hand, the long-term use of lithium batteries often causes a lot of damage. At this time, it is necessary to protect the lithium battery to extend its service life.
[0003] The existing lithium battery protection structure is often too slow to dissipate heat for the lithium battery and cannot cool the lithium battery well. Long-term use will still cause the lithium battery to overheat. Therefore, it is necessary to propose a lithium battery protection structure for a lithium battery lawn mower. Summary of the invention
[0004] The purpose of the utility model is to provide a lithium battery protection structure for a lithium battery lawn mower to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a lithium battery protection structure for a lithium-ion lawn mower, comprising a box body, a protection bin is installed inside the box body, heat dissipation ports are opened on both side surfaces of the protection bin, a spring is arranged on the inner side of the protection bin, a protection plate is fixedly connected to one side of the spring, a lithium battery body is installed on one side of the protection plate, a fixing rod is installed on one side of the protection bin, a water-cooling circulation pipe is sleeved on the outer side of the protection bin, a water pump is installed on one side of the water-cooling circulation pipe, a water tank is installed on one side of the water pump, and heat dissipation fins are installed on one side of the water tank, a bearing frame is arranged inside one side of the box body, a driving motor is installed on one side of the bearing frame, a fan is fixedly installed on one output end of the driving motor, an upper cover is installed above the box body, a fixing plate is installed inside the upper cover, a clamp is sleeved on the outer side of the fixing plate, a fire extinguishing bag is installed on one side of the clamp, and bolts are installed inside the clamp.
[0006] Preferably, the springs are arranged at equal intervals on the protective plate, and the springs are distributed in parallel.
[0007] Preferably, one side of the fixing rod is in contact with one side of the lithium battery body, and the fixing rod is symmetrically arranged with respect to the central axis of the lithium battery body.
[0008] Preferably, the water-cooling circulation pipe is a spiral structure, and the water-cooling circulation pipe is used in conjunction with a water pump.
[0009] Preferably, the fan forms a rotating structure with the supporting frame through a driving motor, and the central axis of the fan coincides with the central axis of the driving motor.
[0010] Preferably, the fixing plate and the upper cover are an integrated structure, and the clamping plates are symmetrically arranged with respect to the central axis of the fire extinguishing bag.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The lithium battery protection structure for a lithium battery lawn mower is provided with a water cooling circulation pipe, a water pump, a water tank, a heat dissipation fin, a support frame, a driving motor and a fan. During the use of the device, the heat dissipation fin can effectively transfer the heat of the water in the water tank to the heat dissipation fins, and then the heat is taken away from the heat dissipation fins by the rotation of the fan, thereby cooling the water in the water tank, and then the water in the water tank is transported to the water cooling circulation pipe in cooperation with the water pump, thereby absorbing the heat generated by the lithium battery body, cooling the lithium battery body, and increasing the safety of the lithium battery body. Moreover, the rotation of the fan can effectively transport the external cool air into the heat dissipation port, thereby dissipating the heat for the lithium battery body, so that the lithium battery body maintains a normal temperature during use, and prevents overheating and affects the use.
[0013] 2. The lithium battery protection structure for a lithium battery lawn mower is used in combination with a protection compartment, a heat dissipation port, a spring, a protection plate and a lithium battery body. During the use of the device, the spring can effectively buffer the vibration generated during the transportation process, thereby cooperating with the protection plate to well protect the lithium battery body, thereby achieving a shockproof effect and increasing the service life of the lithium battery body;
[0014] 3. The lithium battery protection structure for a lithium battery lawn mower is used in combination with a fixing plate, a splint, a fire extinguishing bag and bolts. During the use of the device, the fire extinguishing bag can be effectively fixed in the splint through the threaded structure of the bolt, thereby hanging the fire extinguishing bag on the lithium battery body. The outside of the fire extinguishing bag is a non-flame retardant chemical fiber bag, which can be immediately broken when it comes into contact with the flame. Then the dry powder filled in the fire extinguishing bag will be sprinkled on the flame, thereby extinguishing the flame generated by the lithium battery body at the fastest speed, achieving a highly efficient fire prevention effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the protective warehouse structure of the utility model;
[0017] Figure 3 This is a schematic diagram of the structure of the protective plate of the utility model;
[0018] Figure 4 This is a schematic diagram of the structure of the fixing rod of the utility model;
[0019] Figure 5 This is a schematic diagram of the water-cooling circulation pipe structure of the utility model;
[0020] Figure 6 This is a schematic diagram of the fan structure of the utility model;
[0021] Figure 7 This is a schematic diagram of the structure of the fire extinguishing bag of the utility model;
[0022] Figure 8 It is a schematic diagram of the overall external structure of the utility model.
[0023] In the figure: 1. Box body; 2. Protective compartment; 3. Heat dissipation port; 4. Spring; 5. Protective plate; 6. Lithium battery body; 7. Fixing rod; 8. Water cooling circulation pipe; 9. Water pump; 10. Water tank; 11. Heat dissipation fins; 12. Carrying frame; 13. Drive motor; 14. Fan; 15. Upper cover; 16. Fixing plate; 17. Clamp; 18. Fire extinguishing bag; 19. Bolts. DETAILED DESCRIPTION
[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0025] See also Figure 1-3 The utility model provides a technical solution: a lithium battery protection structure for a lithium battery lawn mower, comprising a box body 1, a protection chamber 2 is installed inside the box body 1, heat dissipation ports 3 are opened on both side surfaces of the protection chamber 2, a spring 4 is arranged inside the protection chamber 2, a protection plate 5 is fixedly connected to one side of the spring 4, a lithium battery body 6 is installed on one side of the protection plate 5, the springs 4 are arranged at equal intervals on the protection plate 5, and the springs 4 are distributed in parallel. During the use of the device, the springs 4 can effectively buffer the vibration generated during the transportation process, so as to cooperate with the protection plate 5 to well protect the lithium battery body 6, thereby achieving a shockproof effect and increasing the service life of the lithium battery body 6;
[0026] See also Figure 1-6A fixing rod 7 is installed on one side of the protective chamber 2, and one side of the fixing rod 7 is in contact with one side of the lithium battery body 6. The fixing rod 7 is symmetrically arranged with the central axis of the lithium battery body 6. During the use of the device, the lithium battery body 6 is fixed by the fixing rod 7, which can effectively fix the lithium battery body 6 firmly in the protective chamber 2, thereby increasing the stability of the lithium battery body 6. A water-cooling circulation pipe 8 is provided on the outside of the protective chamber 2, and a water pump 9 is installed on one side of the water-cooling circulation pipe 8. A water tank 10 is installed on one side of the water pump 9. The water-cooling circulation pipe 8 is a spiral structure, and the water-cooling circulation pipe 8 is used in conjunction with the water pump 9. During the use of the device, the water in the water tank 10 is transported to the water-cooling circulation pipe 8 by the water pump 9, thereby absorbing the lithium battery body well. The heat generated by the water tank 10 is used to cool down the lithium battery body 6, which increases the safety of the lithium battery body 6. A heat dissipation fin 11 is installed on one side of the water tank 10, and a carrier frame 12 is arranged inside one side of the box body 1. A drive motor 13 is installed on one side of the carrier frame 12. A fan 14 is fixedly installed on one output end of the drive motor 13. The fan 14 forms a rotating structure with the carrier frame 12 through the drive motor 13. The central axis of the fan 14 coincides with the central axis of the drive motor 13. During the use of the device, the rotation of the fan 14 can effectively transport the external cool air into the heat dissipation port 3, thereby dissipating the heat for the lithium battery body 6, so that the lithium battery body 6 maintains a normal temperature during use to prevent overheating and affect the use;
[0027] See also Figure 1 and Figure 7-8 A top cover 15 is installed on the top of the box body 1, a fixing plate 16 is installed inside the top cover 15, a clamping plate 17 is sleeved on the outside of the fixing plate 16, a fire extinguishing bag 18 is installed on one side of the clamping plate 17, the fixing plate 16 and the top cover 15 are an integrated structure, the clamping plate 17 is symmetrically arranged with the central axis of the fire extinguishing bag 18, during the use of the device, the outside of the fire extinguishing bag 18 is made of non-flame retardant chemical fiber material, which can be immediately broken when it contacts the flame, and then the dry powder filled in the fire extinguishing bag 18 will be sprinkled on the flame, so as to extinguish the flame generated by the lithium battery body 6 at the fastest speed, so as to achieve a high-efficiency fire prevention effect, and a bolt 19 is installed inside the clamping plate 17.
[0028] Working principle: When using the lithium battery protection structure for the lithium battery lawn mower, first turn on the external power supply, then place the lithium battery body 6 in the protection compartment 2, and then fix the lithium battery body 6 in the protection compartment 2 through the fixing rod 7. Secondly, use the buckle to buckle the upper cover 15 and the box body 1, and then connect the device to the lithium battery lawn mower, then start the water pump 9, and transfer the water in the water tank 10 to the water cooling circulation pipe 8. The water circulation of the water cooling circulation pipe 8 absorbs heat from the lithium battery body 6, and then start the drive motor 13 to drive the rotation of the fan 14, and dissipate heat from the lithium battery body 6 through the flow of air. Then place the device in the working position of the lawn mower, and buffer it through the structure of the spring 4 and the protective plate 5 to achieve a shockproof effect. Finally, cut off the external power supply of the device when the device is not in use. The model of the drive motor 13 is 2IK6GN, and the model of the water pump 9 is CHL2-3. In this way, the use process of the lithium battery protection structure for the lithium battery lawn mower is completed.
[0029] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A lithium battery protection structure for a lithium battery lawn mower, comprising a box (1), characterized in that: A protective chamber (2) is installed inside the box body (1), and heat dissipation ports (3) are provided on both side surfaces of the protective chamber (2). A spring (4) is provided inside the protective chamber (2), and a protective plate (5) is fixedly connected to one side of the spring (4), and a lithium battery body (6) is installed on one side of the protective plate (5). A fixing rod (7) is installed on one side of the protective chamber (2). A water cooling circulation pipe (8) is sleeved outside the protective chamber (2), and a water pump (9) is installed on one side of the water cooling circulation pipe (8). A water tank (10) is installed on one side of the water pump (9), and the water tank A heat dissipation fin (11) is installed on one side of the housing (10); a support frame (12) is arranged inside one side of the housing (1); a drive motor (13) is installed on one side of the support frame (12); a fan (14) is fixedly installed on one output end of the drive motor (13); an upper cover (15) is installed above the housing (1); a fixing plate (16) is installed inside the upper cover (15); a clamping plate (17) is sleeved on the outside of the fixing plate (16); a fire extinguishing bag (18) is installed on one side of the clamping plate (17); and bolts (19) are installed inside the clamping plate (17).
2. The lithium battery protection structure for a lithium battery lawn mower according to claim 1, characterized in that: The springs (4) are arranged at equal intervals on the protective plate (5), and the springs (4) are distributed in parallel.
3. The lithium battery protection structure for a lithium battery lawn mower according to claim 1, characterized in that: One side of the fixing rod (7) is in contact with one side of the lithium battery body (6), and the fixing rod (7) is symmetrically arranged with respect to the central axis of the lithium battery body (6).
4. The lithium battery protection structure for a lithium battery lawn mower according to claim 1, characterized in that: The water-cooling circulation pipe (8) is a spiral structure, and the water-cooling circulation pipe (8) is used in conjunction with a water pump (9).
5. The lithium battery protection structure for a lithium battery lawn mower according to claim 1, characterized in that: The fan (14) forms a rotating structure with the support frame (12) through the driving motor (13), and the central axis of the fan (14) coincides with the central axis of the driving motor (13).
6. The lithium battery protection structure for a lithium battery lawn mower according to claim 1, characterized in that: The fixing plate (16) and the upper cover (15) are an integrated structure, and the clamping plate (17) is symmetrically arranged about the central axis of the fire extinguishing bag (18).