Dampproof drying device for lithium battery

By designing a lithium battery moisture-proof and drying device, utilizing a modular structure and a U-shaped airflow cooling path, the problem of performance degradation and shortened lifespan of lithium batteries in humid environments was solved, achieving efficient moisture-proof and heat dissipation effects and reducing production costs.

CN223665562UActive Publication Date: 2025-12-12BEIJINGZHENGZHUOENGINEERINGTECHNOLOGY CO LTD
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Patent Information

Application Number
CN202422929490.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-12-12
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

Existing lithium batteries suffer from performance degradation and shortened lifespan in humid environments, while current moisture-proofing methods are costly and difficult to guarantee long-term dryness.

Method used

A lithium battery moisture-proof and drying device was designed, including an insulating top shell, a heat dissipation top shell, an inner core plate, a heat-conducting sheet assembly, an inner moisture-proof shell, and a desiccant block. Through modular disassembly and flexible replacement of heat dissipation equipment, combined with a U-shaped wind-powered heat dissipation path and an inner moisture-proof structure, the inner cavity is kept sealed and the moisture-proof and heat dissipation effects are improved.

Benefits of technology

It effectively protects lithium batteries to maintain stable performance in humid environments, extends their lifespan, and reduces production costs, thus meeting the comprehensive usage needs under different conditions.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides a lithium battery moistureproof drying device which comprises an insulation top shell and an inner sealing caulking groove, the front side of the insulation top shell is provided with a group of power connection ports used for leading out electric energy of a lithium battery, and the right side of the insulation top shell is provided with a group of heat dissipation top shells used for providing a heat dissipation effect for the inside of the shell. Compared with the prior art, the lithium battery pack has the following beneficial effects that the insulating top shell and the heat dissipation top shell are used for modular disassembly and assembly, and suitable connection and heat dissipation equipment with different powers are flexibly replaced to meet comprehensive use under different conditions, and the outer side of the lithium battery pack is protected by using the shell, so that the service life of the lithium battery pack is prolonged. The strength generated when the outer shell is impacted is improved through the reinforcing ribs of the X-shaped structure, the damp-proof effect in the inner cavity is improved through the inner damp-proof shell, the wind power heat dissipation path is arranged in a U shape through the two sets of heat dissipation fans with the opposite flow extraction directions, and therefore the heat dissipation effect is kept under the condition that the interior of the inner cavity is kept sealed.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to lithium battery moistureproof technical field relates to a lithium battery moistureproof drying device. BACKGROUND

[0002] The existing lithium battery has the shortcomings in the moisture-proof drying aspect, which mainly reflects that the electrolyte and electrode material are sensitive to humidity, which can easily lead to the performance decline and the service life shortening of the battery. The reason for these shortcomings is that the electrolyte of the lithium ion battery usually contains volatile and hygroscopic organic solvents, and the electrode material such as lithium metal oxide is easy to react with water in a humid environment, generating unstable compounds, thereby affecting the electrochemical performance of the battery. In addition, the presence of water can also promote the self-discharge reaction inside the battery, leading to irreversible loss of battery capacity. The conventional coping method includes controlling the environmental humidity during battery manufacturing and storage. However, these methods also have disadvantages. Although controlling the environmental humidity can reduce the influence of moisture on the performance of the battery, it has high requirements for the environment, increases the production cost, and it is difficult to guarantee a long-term dry environment in practical application. Therefore, although these methods can alleviate the moisture-proof problem of the lithium battery to a certain extent, they cannot completely solve the problem of performance decline caused by humidity, so there is an urgent need for a lithium battery moisture-proof drying device to solve the above problems. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims to provide a lithium battery moisture-proof drying device to solve the problems raised in the background art.

[0004] The utility model discloses a lithium battery moisture-proof drying device, including: insulating top shell and inner seal slot, the insulating top shell front side is equipped with a group of the electricity outlet that is used for leading out the lithium battery electric energy, the insulating top shell right side is equipped with a group of the heat dissipation top shell that is used for providing the heat dissipation effect to the shell inside,

[0005] The lower end of the heat dissipation top shell is provided with a group of inner core plates for conducting the heat inside the shell, the lower end of the inner core plate is provided with a plurality of groups of positioning panels for oblique fitting with the heat conduction sheet group, the positioning panel is made of aluminum alloy material, and a group of heat dissipation sheet groups for conducting the heat inside the shell are integrated on the upper end of the plurality of groups of positioning panels.

[0006] The heat dissipation fin group is arranged inside the inner core plate and located at the lower end of the plurality of groups of dust prevention nets, the lower end of the plurality of groups of positioning panels is provided with a corresponding number of heat conduction fin groups, the heat conduction fin group is in an inclined structure and is matched and embedded with the plurality of groups of positioning panels, and the lower part of the plurality of groups of heat conduction fin groups is integrally provided with an insulating temperature guide plate consistent with the top view cross section of the lithium battery group at the lower end of the top plate, so that the modular disassembly can be carried out by using the insulating top shell and the heat dissipation top shell, and the appropriate connection and different power heat dissipation equipment can be flexibly replaced to meet the comprehensive use in different situations.

[0007] As a preferred embodiment, the lower end of the insulating temperature guide plate is in contact with the upper end of the lithium battery group, the lower end of the heat dissipation top shell is provided with a group of heat conduction grooves for mutual embedding with the lower end of the heat dissipation top shell, and the left side of the heat conduction groove is provided with a reserved groove for inclined movement of the heat dissipation top shell.

[0008] As a preferred embodiment, the outer side of the heat conduction groove and the power supply embedded groove is provided with a group of top plates for sealed embedding with the upper end of the shell, the inner side of the lower end of the top plate is provided with an inner embedded sealing plate in a rectangular structure, the lower end of the top plate is provided with a group of shells for protecting the lithium battery group, and the outer side of the lithium battery group can be protected by using the shell.

[0009] As a preferred embodiment, the outer side of the shell is provided with a plurality of groups of reinforcing shells for improving the strength of the shell, the inner side of the reinforcing shell is provided with a reinforcing rib in an X-shaped structure, the lower end of the four groups of external corners of the lower end of the shell is provided with a group of mounting bases for positioning the shell, and the strength of the shell when receiving an impact can be improved by using the reinforcing rib in the X-shaped structure.

[0010] As a preferred embodiment, the inner side of the upper end of the shell is provided with a group of inner sealing embedded grooves for sealed embedding connection with the inner embedded sealing plate, the inner side of the shell is provided with a group of inner cavities, the inner cavity is provided with a lithium battery group, the outer side of the lithium battery group is provided with a group of inner moisture-proof shells for preventing moisture of the lithium battery group, and the moisture-proof effect of the inner cavity can be improved by using the inner moisture-proof shell.

[0011] As a preferred embodiment, the inner side of the outer side of the inner moisture-proof shell is provided with a desiccant block for maintaining a dry environment in the inner cavity of the shell, the upper end of the inner core plate is provided with a group of dust prevention nets for blocking external dust, and the lower end of the insulating top shell is provided with a group of power supply embedded grooves for mutual embedding with the lower end thereof.

[0012] As a preferred embodiment, the power supply slot is internally provided with a plurality of groups of embedded holes for conducting power to the lithium battery, the insulating top shell is internally provided with a group of controllers for controlling the output of electric energy, the lower end of the insulating top shell is provided with a plurality of groups of conductive core columns for being embedded with the embedded holes, and the upper end of the heat dissipation top shell is internally provided with two groups of heat dissipation fans for dissipating heat inside the shell.

[0013] After the above technical scheme is adopted, the beneficial effects of the present application are as follows: the modular disassembly and assembly are realized by using the insulating top shell and the heat dissipation top shell, and the appropriate connection and different power heat dissipation devices can be flexibly replaced to meet the comprehensive use in different situations; the outer side of the lithium battery pack is protected by using the shell; the strength of the shell when receiving impact is improved by using the X-shaped reinforcing ribs; the moisture-proof effect inside the inner cavity is improved by using the inner moisture-proof shell; and the path of the wind power heat dissipation is arranged in a U shape by using the two groups of heat dissipation fans with opposite flow directions, so that the heat dissipation effect is maintained while the inner cavity is sealed. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0015] Figure 1 It is a front view of the structure of the lithium battery moisture-proof drying device of the present application.

[0016] Figure 2 It is a front view of the structure of the lithium battery moisture-proof drying device of the present application.

[0017] Figure 3 It is a front view of the structure of the lithium battery moisture-proof drying device of the present application.

[0018] Figure 4 It is a front view of the structure of the lithium battery moisture-proof drying device of the present application.

[0019] In the figure: 100-insulating top shell, 110-electricity outlet, 120-heat dissipation top shell, 130-heat dissipation fan, 140-top plate, 150-outer shell, 160-strengthening shell, 170-mounting base, 180-power supply slot, 190-heat conduction groove, 200-heat conduction fin group, 210-dustproof net, 220-inner core plate, 230-positioning panel, 240-inner moisture-proof shell, 250-lithium battery group, 260-inner sealing slot. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0021] Please refer to Figures 1-4 A lithium battery moisture-proof drying device, comprising: an insulating top shell 100, a heat dissipation top shell 120, an outer shell 150, an inner core plate 220, an inner moisture-proof shell 240 and an inner sealing slot 260, the front side of the insulating top shell 100 is provided with a group of electricity outlets 110 for exporting lithium battery electric energy, and the right side of the insulating top shell 100 is provided with a group of heat dissipation top shells 120 for providing heat dissipation effect inside the outer shell 150.

[0022] The lower end of the heat dissipation top shell 120 is provided with a group of inner core plates 220 for conducting heat inside the outer shell 150, the lower end of the inner core plate 220 is provided with a plurality of groups of positioning panels 230 for obliquely fitting with the heat conduction fin group 200, the positioning panel 230 is made of an aluminum alloy material, and the upper end of the plurality of groups of positioning panels 230 is integrated with a group of heat dissipation fin groups for conducting heat inside the outer shell 150.

[0023] The heat dissipation fin group is arranged inside the inner core plate 220 and located at the lower end of the plurality of groups of dustproof nets 210, the lower end of the plurality of groups of positioning panels 230 is provided with a corresponding number of heat conduction fin groups 200, the heat conduction fin group 200 is in an inclined structure and is matched and fitted with the plurality of groups of positioning panels 230, and the lower part of the plurality of groups of heat conduction fin groups 200 is integrated with an insulating temperature guide plate at the lower end of the top plate 140, which is consistent with the top view cross section of the lithium battery group 250.

[0024] The lower end of the insulating temperature guide plate is in contact with the upper end of the lithium battery group 250, the lower end of the heat dissipation top shell 120 is provided with a group of heat conduction grooves 190 for mutually fitting with the lower end of the heat dissipation top shell 120, and the left side of the heat conduction groove 190 is provided with a reserved groove for inclined movement of the heat dissipation top shell 120.

[0025] The heat-conducting groove 190 and the power supply slot 180 are provided with a group of top plates 140 for sealing and embedding the upper end of the shell 150. The lower end of the top plate 140 is provided with a rectangular inner sealing plate. The lower end of the top plate 140 is provided with a group of shells 150 for protecting the lithium battery pack 250. The lithium battery pack 250 can be protected by using the shell 150.

[0026] The shell 150 is provided with a plurality of groups of reinforcing shells 160 for improving the strength of the shell 150. The reinforcing shell 160 is provided with X-shaped reinforcing ribs inside. The lower end of the four groups of external corners of the shell 150 is provided with a group of mounting bases 170 for positioning the shell 150. The strength of the shell 150 when receiving impact can be improved by using X-shaped reinforcing ribs.

[0027] The inner side of the shell 150 is provided with a group of inner sealing grooves 260 for sealing and embedding connection with the inner sealing plate. The inner side of the shell 150 is provided with a group of inner cavities. The inner cavity is provided with a lithium battery pack 250. The outer side of the lithium battery pack 250 is provided with a group of inner moisture-proof shells 240 for preventing moisture. The inner moisture-proof shell 240 can be used to improve the moisture-proof effect inside the inner cavity.

[0028] The inner side of the inner moisture-proof shell 240 is provided with a group of desiccant blocks for maintaining a dry environment inside the shell 150. The upper end of the inner core plate 220 is provided with a group of dust-blocking nets 210 for blocking external dust. The lower end of the insulating top shell 100 is provided with a group of power supply slots 180 for embedding the lower end.

[0029] The power supply slot 180 is provided with a plurality of groups of inner embedding holes for conducting power to the lithium battery. The inner side of the insulating top shell 100 is provided with a group of controllers for controlling the output of electric energy. The lower end of the insulating top shell 100 is provided with a plurality of groups of conductive core columns for embedding the inner embedding holes.

[0030] Please refer to Figures 1-4, as the first embodiment of the utility model: first staff will need to carry out moisture-proof drying protection lithium battery group 250 is placed in the inside moisture-proof shell 240, then keep with lithium battery group 250 outside adhere, then the inside moisture-proof shell 240 is placed in the inside of shell 150, and make the inside moisture-proof shell 240 with shell 150 inside adhere, then the top plate 140 is connected with the inside moisture-proof shell 240 and shell 150 fixed, when using, because the lower end of the insulating top shell 100 is provided with a group of power embedding groove 180 for mutually embedding with its lower end, the power embedding groove 180 is provided with several groups of inner embedding holes for conducting power to lithium battery, the inside of the insulating top shell 100 is provided with a group of controllers for controlling the output of electric energy, can directly through keeping sealed to lithium battery, through the staff according to the specific required replacement different insulating top shell 100 to transmit electric energy, in the process of using, the desiccant block in the outside of the inside moisture-proof shell 240 can cooperate with the inside moisture-proof shell 240 to improve the moisture-proof effect inside the inner cavity.

[0031] Please refer to Figures 1-4 , as the second embodiment of the utility model: based on the above embodiment, further, because the upper end of the heat dissipation top shell 120 is provided with two groups of heat dissipation fans 130 for dissipating the heat inside the shell 150, the flow direction of the two groups of heat dissipation fans 130 is opposite, and the lower part of the several groups of heat conduction fin groups 200 is integrally provided with an insulating temperature guide plate on the lower end of the top plate 140, which is consistent with the top view cross section of the lithium battery group 250, can be modularized disassembled by using the insulating top shell 100 and the heat dissipation top shell 120, and the appropriate connection and different power heat dissipation equipment can be flexibly replaced to meet the comprehensive use under different conditions, and the path of the air cooling is arranged in U shape by using the two groups of heat dissipation fans 130 with opposite flow directions, so that the heat dissipation effect is maintained under the condition of maintaining the sealing of the inner cavity.

[0032] The above only for the preferred embodiment of the utility model, and does not limit the utility model, any modification, equivalent replacement, improvement etc. within the spirit and principle of the utility model, should be included in the protection scope of the utility model.

Claims

1. A moisture-proof drying device for lithium batteries, comprising: The application discloses an insulating top shell (100), a heat dissipation top shell (120), an outer shell (150), an inner core plate (220), an inner moisture-proof shell (240) and an inner sealing groove (260), characterized in that: the insulating top shell (100) is provided with a group of electric connection ports (110) on the front side for leading out the electric energy of lithium batteries; the right side of the insulating top shell (100) is provided with a group of heat dissipation top shells (120) for providing heat dissipation effect inside the outer shell (150); The lower end of the heat dissipation top shell (120) is provided with a group of inner core plates (220) for conducting the heat inside the outer shell (150); the lower end of the inner core plate (220) is provided with a plurality of groups of positioning embedded plates (230) for being obliquely embedded with the heat conduction fin groups (200); the positioning embedded plates (230) are made of an aluminum alloy material; and the upper ends of the plurality of groups of positioning embedded plates (230) are integrated with a group of heat dissipation fin groups for conducting the heat inside the outer shell (150). The heat dissipation fin groups are arranged inside the inner core plate (220) and located at the lower ends of the plurality of groups of dustproof nets (210); the lower ends of the plurality of groups of positioning embedded plates (230) are provided with corresponding numbers of heat conduction fin groups (200); the heat conduction fin groups (200) are of an inclined structure and are matched and embedded with the plurality of groups of positioning embedded plates (230); and the lower parts of the plurality of groups of heat conduction fin groups (200) are integrated with the insulating temperature guide plates which are consistent with the top view cross section of the lithium battery group (250) and arranged at the lower end of the top plate (140).

2. The moisture-proof drying device for lithium batteries according to claim 1, characterized in that: The lower end of the insulating temperature guide plate is in contact with the upper end of the lithium battery group (250); the lower end of the heat dissipation top shell (120) is provided with a group of heat conduction grooves (190) for being embedded with each other at the lower end of the heat dissipation top shell (120); and the left side of the heat conduction groove (190) is provided with a reserved groove for being obliquely moved with the heat dissipation top shell (120).

3. The moisture-proof drying device for lithium battery according to claim 2, characterized in that: The outer sides of the heat conduction groove (190) and the power supply embedded groove (180) are provided with a group of top plates (140) for being sealingly embedded with the upper end of the outer shell (150); the lower end of the top plate (140) is provided with an inner embedded sealing plate of a rectangular structure; and the lower end of the top plate (140) is provided with a group of outer shells (150) for protecting the lithium battery group (250).

4. The moisture-proof drying device for lithium battery according to claim 3, characterized in that: The outer side of the outer shell (150) is provided with a plurality of groups of reinforcing shells (160) for improving the strength of the outer shell (150); the reinforcing shells (160) are provided with X-shaped reinforcing ribs inside; and the lower end of the outer shell (150) is provided with a group of mounting bases (170) for positioning the outer shell (150) at the lower end of the four groups of external corners.

5. The moisture-proof drying device for lithium batteries according to claim 4, characterized in that: The inner side of the outer shell (150) is provided with a group of inner sealing grooves (260) for being sealingly embedded and connected with the inner embedded sealing plate; the inner side of the outer shell (150) is provided with a group of inner cavities; the inner cavities are provided with the lithium battery group (250) inside; and the outer side of the lithium battery group (250) is provided with a group of inner moisture-proof shells (240) for preventing moisture.

6. The moisture-proof drying device for lithium batteries according to claim 5, characterized in that: The inner moisture-proof shell (240) is internally provided with desiccant blocks for maintaining dry environment inside the shell (150), the inner core plate (220) is provided with a group of dust-blocking nets (210) at the upper end for blocking external dust, and the insulating top shell (100) is provided with a group of power supply embedding grooves (180) at the lower end for embedding with each other.

7. The moisture-proof drying device for lithium battery according to claim 6, characterized in that: The power supply embedding grooves (180) are internally provided with a plurality of groups of embedded holes for conducting power to lithium batteries, the insulating top shell (100) is internally provided with a group of controllers for controlling power output, the insulating top shell (100) is provided with a plurality of groups of conductive core columns at the lower end for embedding with the embedded holes, and the heat dissipation top shell (120) is internally provided with two groups of heat dissipation fans (130) at the upper end for dissipating heat inside the shell (150), and the two groups of heat dissipation fans (130) are opposite in flow direction.