CN224036427U - A high-efficiency and safe lithium battery pack for power tools - Google Patents
A high-efficiency and safe lithium battery pack for power toolsInfo
- Publication number
- CN224036427U CN224036427U CN202520194728.6U CN202520194728U CN224036427U CN 224036427 U CN224036427 U CN 224036427U CN 202520194728 U CN202520194728 U CN 202520194728U CN 224036427 U CN224036427 U CN 224036427U
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- battery pack
- lithium battery
- lithium
- efficiency
- outer shell
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Abstract
The utility model discloses a high-efficiency and safe electric tool lithium battery pack, which belongs to the technical field of lithium battery packs and comprises a fixed shell, wherein a shell top cover is arranged at the top of the fixed shell, a lithium battery pack connecting box is arranged in the fixed shell, and a motor in a heat radiating assembly drives a heat radiating fan to rotate, so that the flow of air in the battery pack can be effectively promoted, the air circulates through a vent of a honeycomb groove on the lithium battery pack connecting box and ventilation nets at the two sides and the bottom of the fixed shell, and heat generated by a lithium ion battery core in the charging and discharging process is rapidly taken away, so that the uniform distribution of the internal temperature of the battery pack is ensured, the occurrence of local overheat phenomenon is avoided, the electric tool can be better adapted to the use requirements of the electric tool under various complex working conditions, the working reliability and stability of the electric tool are improved, the effect of buffering and protecting the battery core is achieved to a certain extent, and the damage caused by external force impact or vibration to the battery core is reduced.
Description
Technical Field
The utility model belongs to the technical field of lithium battery packs, and particularly relates to an efficient and safe lithium battery pack for an electric tool.
Background
With the increasing demands of modern industry and daily life on electric tools, the requirements on the performance and portability of the electric tools are increasingly increased, the electric tools are widely applied to various fields such as buildings, decoration, manufacturing industry, gardening and the like, the diversity and complexity of the use scenes of the electric tools promote the requirements on power source battery packs of the electric tools to be more strict, users expect the electric tools to have higher power and longer endurance time so as to meet the long-time and high-strength working demands, and the battery packs are also required to have quick charging capability so as to reduce the waiting time in working and improve the working efficiency.
The existing lithium battery pack stores more electric energy through a plurality of lithium ion battery cells during operation, the battery cells can release a large amount of heat energy during use, a traditional battery pack heat dissipation mode has the problem of local overheating, and fixed-point heat dissipation is difficult to be carried out on gaps of the lithium ion battery cells, so that the use of the battery cells is easily affected, the service life of the lithium battery pack is further affected, and therefore, the lithium battery pack of an electric tool with high efficiency and safety is required to solve the problem.
Disclosure of utility model
The utility model aims to provide an efficient and safe lithium battery pack for an electric tool, which solves the problems in the background technology.
In order to achieve the above purpose, the technical scheme is that the efficient and safe electric tool lithium battery pack comprises a fixed shell, wherein a shell top cover is arranged at the top of the fixed shell, a lithium battery pack connecting box is arranged in the fixed shell, a heat radiating component is arranged in the shell top cover, a honeycomb groove is formed in the lithium battery pack connecting box, a partition plate is arranged at the top of the lithium battery pack connecting box, a ventilation opening is formed in the outer wall of the honeycomb groove, the heat radiating component comprises a motor box, a motor is arranged in the motor box, and a heat radiating fan is arranged at the output end of the motor.
As a preferred implementation mode, the number of the partition boards is two, the two partition boards are provided with filter screens, the inner wall between the filter screens is provided with a drying agent, and the two partition boards are respectively connected with the top and the bottom of the top cover of the shell.
As a preferred implementation mode, the both sides of fixed shell are equipped with the ventilation net, the inner wall of ventilation net is equipped with the drier, the bottom of fixed shell is equipped with the cardboard, be equipped with the ventilation net in the middle of the cardboard, the quantity of ventilation net is three.
As a preferred implementation mode, the lithium battery pack connection box is internally provided with lithium ion battery cells, the number of the lithium ion battery cells is a plurality of, the connection part of the lithium battery pack connection box and the lithium ion battery cells is separately provided with honeycomb grooves, and the outer wall of each honeycomb groove is provided with a ventilation opening.
As a preferred embodiment, the bottom of one of the partition plates is connected with one end of the motor box), the top of the top cover of the housing is provided with eight protection plates, and the eight protection plates are made of elastic metal plates.
As a preferred embodiment, one end of the fixed housing is provided with a charging port, and an opening and closing door is arranged on the outer side of the charging port.
Compared with the prior art, the utility model has the beneficial effects that:
According to the utility model, the motor in the heat dissipation assembly drives the heat dissipation fan to rotate, so that the flow of air in the battery pack can be effectively promoted, the air circulates through the ventilation openings of the honeycomb grooves on the lithium battery pack connecting box and the ventilation nets at the two sides and the bottom of the fixed shell, and heat generated in the charging and discharging process of the lithium ion battery core is rapidly taken away, so that the uniform distribution of the internal temperature of the battery pack is ensured, the occurrence of local overheating phenomenon is avoided, the use requirements of the electric tool under various complex working conditions can be better met, the working reliability and stability of the electric tool are improved, the combined design of the honeycomb grooves and the ventilation openings can also enhance the structural strength of the battery pack, the effects of buffering and protecting the battery core are achieved to a certain extent, and the damage to the battery core caused by external force impact or vibration is reduced.
According to the utility model, the filter screen and the drying agent arranged on the partition plate and the drying agent on the inner wall of the ventilation net form a dual moisture-proof barrier, the drying agent on the partition plate can absorb moisture in the air in the battery pack, prevent the moisture from entering the battery cell area and affecting the electrochemical performance and the service life of the battery cell, and the drying agent on the inner wall of the ventilation net can dry the air when the air enters and exits the battery pack, so that the invasion of external moist air is avoided, thereby effectively reducing the risks of short circuit, corrosion and the like of the battery pack caused by moisture, improving the reliability and the adaptability of the battery pack, prolonging the service life of the battery pack, and providing a certain physical protection for the battery pack.
Drawings
Fig. 1 is a schematic view showing a three-dimensional structure of a lithium battery pack body according to the present utility model;
Fig. 2 is a schematic view showing a cross-sectional perspective structure of a lithium battery pack body according to the present utility model;
FIG. 3 is a schematic view of a solid structure of a stationary housing according to the present utility model;
Fig. 4 is a schematic view showing a three-dimensional structure of a lithium battery pack connection box according to the present utility model;
FIG. 5 shows the top cover of the housing of the present utility model schematic diagram of a three-dimensional structure;
FIG. 6 is a schematic diagram of a three-dimensional structure of a heat dissipating assembly according to the present utility model;
fig. 7 is a schematic view showing a three-dimensional structure of the honeycomb groove of the present utility model.
The lithium ion battery pack comprises a fixed shell, a shell top cover, a lithium battery pack connecting box, a heat dissipation assembly, a honeycomb groove, a partition plate, a vent, a protection plate, a vent net, a lithium ion battery core, a clamping plate, a charging port, a door opening and closing, a motor box, a motor, a cooling fan and a cooling fan, wherein the fixed shell, the shell top cover, the lithium battery pack connecting box, the heat dissipation assembly, the honeycomb groove, the partition plate, the vent, the protection plate, the vent net, the lithium ion battery core, the charging port, the opening and closing door, the motor box, the motor and the cooling fan are respectively arranged in the specification.
Detailed Description
The utility model is further described below with reference to examples.
The following examples are illustrative of the present utility model but are not intended to limit the scope of the utility model. The conditions in the examples can be further adjusted according to specific conditions, and simple modifications of the method of the utility model under the premise of the conception of the utility model are all within the scope of the utility model as claimed.
Referring to fig. 1-7, the utility model provides a high-efficiency and safe lithium battery pack of an electric tool, which comprises a fixed shell 1, wherein a shell top cover 2 is arranged at the top of the fixed shell 1, a lithium battery pack connecting box 3 is arranged in the fixed shell 1, a heat dissipation component 4 is arranged in the shell top cover 2, a honeycomb groove 5 is formed in the lithium battery pack connecting box 3, a partition plate 6 is arranged at the top of the lithium battery pack connecting box 3, a vent 7 is formed in the outer wall of the honeycomb groove 5, the heat dissipation component 4 comprises a motor box 401, a motor 402 is arranged in the motor box 401, a heat dissipation fan 403 is arranged at the output end of the motor 402, the motor 402 in the heat dissipation component 4 drives the heat dissipation fan 403 to rotate, the air in the battery pack can be effectively promoted to circulate through the vent 7 of the honeycomb groove 5 on the lithium battery pack connecting box 3 and ventilation nets 9 at two sides and the bottom of the fixed shell 1, and heat generated in the charging and discharging process is rapidly taken away.
The number of the partition boards 6 is two, the two partition boards 6 are provided with filter screens, the inner wall between the filter screens is provided with a drying agent, and the two partition boards 6 are respectively connected with the top and the bottom of the shell top cover 2.
The both sides of fixed shell 1 are equipped with ventilation net 9, and ventilation net 9's inner wall is equipped with the drier, and fixed shell 1's bottom is equipped with cardboard 11, is equipped with ventilation net 9 in the middle of the cardboard 11, and ventilation net 9's quantity is three.
The inside of lithium cell group connection box 3 is equipped with lithium ion battery cell 10, and the quantity of lithium ion battery cell 10 is a plurality of, and the junction of lithium cell group connection box 3 and lithium ion battery cell 10 separately is equipped with honeycomb groove 5, and vent 7 has been seted up to the outer wall of honeycomb groove 5.
The bottom of one of them baffle 6 links to each other with the one end of motor box 401), and the top of shell top cap 2 is equipped with guard plate 8, and the quantity of guard plate 8 is eight, and the material of eight guard plates 8 is the elastic metal plate.
The one end of fixed shell 1 is equipped with charge mouth 12, the outside of charge mouth 12 is equipped with the door 13 that opens and shuts, filter screen and drier that sets up on through baffle 6 and the drier of ventilation network 9 inner wall have constituted dual dampproofing barrier, the drier of 6 on the baffle can absorb the moisture in the battery package inside air, prevent moisture entering electric core region, honeycomb groove 5 that sets up on connecting box 3 through the lithium cell group not only provides stable mounted position for lithium ion cell 10, its unique structure has increased the area of contact with the air simultaneously, vent 7's setting has further optimized the air circulation route, make the wind energy that radiator fan 403 blows off can blow around every cell more evenly, realize the accurate heat dissipation to key positions such as cell junction, adopt the elasticity sheet metal material through guard plate 8 on the shell top cap 2, can provide certain physical protection for the battery package, the installation space for lithium ion cell 10 has been provided through lithium cell group connecting box 3, and set up honeycomb groove 5 at the connecting portion, make the connection of cell more firm, charge mouth 12 that sets up through fixed shell 1 one end charges the battery package convenient for the user.
The working principle and the use flow of the utility model are that firstly, when the lithium battery pack works, the motor 402 in the heat radiation component 4 drives the heat radiation fan 403 to rotate, so that the flow of air in the battery pack can be effectively promoted, then the air circulates through the ventilation openings 7 of the honeycomb grooves 5 on the lithium battery pack connecting box 3 and the ventilation nets 9 at the two sides and the bottom of the fixed shell 1, the heat generated in the charging and discharging process of the lithium ion battery core is rapidly taken away, a double damp-proof barrier is formed by the filter screen and the drying agent arranged on the partition plate 6 and the drying agent on the inner wall of the ventilation net 9, the drying agent on the partition plate 6 can absorb the moisture in the air in the battery pack, the moisture is prevented from entering the battery core area, finally, the protection plate 8 on the shell top cover 2 adopts an elastic metal plate material, so that a certain physical protection can be provided for the battery pack, and the special installation space is provided for the lithium ion battery core 10 through the lithium battery pack connecting box 3, the connection of the battery core is more stable, and the charging operation of a user is facilitated through the charging port 12 arranged at one end of the fixed shell 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520194728.6U CN224036427U (en) | 2025-02-07 | 2025-02-07 | A high-efficiency and safe lithium battery pack for power tools |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520194728.6U CN224036427U (en) | 2025-02-07 | 2025-02-07 | A high-efficiency and safe lithium battery pack for power tools |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN224036427U true CN224036427U (en) | 2026-03-24 |
Family
ID=99125866
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520194728.6U Active CN224036427U (en) | 2025-02-07 | 2025-02-07 | A high-efficiency and safe lithium battery pack for power tools |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN224036427U (en) |
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2025
- 2025-02-07 CN CN202520194728.6U patent/CN224036427U/en active Active
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