A fast charging device with a high-efficiency heat dissipation structure

By combining a heat-conducting cover and fins with a micro fan for heat dissipation, the problem of low heat dissipation efficiency of power banks in high-temperature environments is solved, achieving efficient heat dissipation and dustproof design, extending the service life of power banks and reducing safety hazards.

CN224582920UActive Publication Date: 2026-07-31SHENZHEN TIANPAN IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN TIANPAN IND CO LTD
Filing Date
2025-08-18
Publication Date
2026-07-31

AI Technical Summary

Technical Problem

The passive cooling method of existing power banks is inefficient in high-temperature environments, causing the internal battery cells to remain at high temperatures, affecting their lifespan and posing safety hazards.

Method used

It adopts a heat-conducting cover and fin structure combined with a micro fan. The heat exchange area is expanded by the fins and the heat dissipation is accelerated by the fan. At the same time, a dustproof mechanism is set to prevent dust from entering the gaps and keep the fins clean.

Benefits of technology

It improves the heat dissipation efficiency of the power bank, extends its service life, reduces safety risks, and ensures that the heat exchange efficiency of the fins is not affected by dust.

✦ Generated by Eureka AI based on patent content.

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Abstract

This utility model relates to the field of fast charging equipment technology and discloses a fast charging device with a high-efficiency heat dissipation structure. The device includes a fast charging unit with a sloping boss fixedly connected to its left end. A heat dissipation mechanism is provided on the outer wall of the fast charging unit, and dustproof mechanisms are provided at both ends. The heat dissipation mechanism includes a heat-conducting cover, with fins fixedly connected to the inner wall of the heat-conducting cover. The side of the fins away from the heat-conducting cover is fixedly connected to the outer wall of the fast charging unit. A mounting cover is fixedly connected to the right end of the heat-conducting cover, and a miniature fan is fixedly connected to the inner wall of the mounting cover. In this utility model, the heat dissipation mechanism design not only expands the heat exchange area of ​​the fast charging unit but also allows for rapid heat dissipation, improving the heat dissipation efficiency of the fast charging unit. This, in turn, helps extend the service life of the fast charging unit and avoids safety accidents caused by high temperatures.
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Description

Technical Field

[0001] This utility model relates to the field of fast charging equipment technology, and in particular to a fast charging device with a high-efficiency heat dissipation structure. Background Technology

[0002] Fast charging equipment refers to power supply devices equipped with fast charging technology. Its core feature is that it can replenish a large amount of power to electronic devices in a short time by optimizing the output mode of charging current and voltage, thus greatly shortening the charging time.

[0003] A power bank is a portable power source that perfectly solves the battery life problem for electronic devices in situations where there is no fixed power source, such as outdoors or while traveling. It is small, easy to carry, and can quickly replenish the power of electronic devices such as mobile phones, earphones, and smartwatches anytime, anywhere.

[0004] During continuous discharge, the internal battery cells of a power bank gradually heat up due to energy conversion. Currently, most power banks rely on passive heat dissipation, i.e., heat dissipation through the outer casing. This method is relatively inefficient, especially in high-temperature outdoor environments where ambient temperature further hinders heat dissipation, significantly reducing the power bank's heat dissipation efficiency and potentially causing the internal battery cells to remain at high temperatures. This not only affects the power bank's lifespan but also poses certain safety hazards. Therefore, this paper proposes a fast-charging device with a highly efficient heat dissipation structure to address these issues. Utility Model Content

[0005] To overcome the above shortcomings, this utility model provides a fast charging device with a high-efficiency heat dissipation structure, which aims to improve the problem mentioned in the prior art that "power banks rely on passive heat dissipation, which makes it difficult for the heat accumulated inside to dissipate quickly".

[0006] To achieve the above objectives, the present invention adopts the following technical solution: a fast charging device with a high-efficiency heat dissipation structure, including a fast charging device, a sloping boss fixedly connected to the left end of the fast charging device, a heat dissipation mechanism provided on the outer wall of the fast charging device, and dustproof mechanisms provided at the left and right ends of the fast charging device.

[0007] The heat dissipation mechanism includes a heat-conducting cover, with fins fixedly connected to the inner wall of the heat-conducting cover. The side of the fins away from the heat-conducting cover is fixedly connected to the outer wall of the fast charging device. A mounting cover is fixedly connected to the right end of the heat-conducting cover, and a miniature fan is fixedly connected to the inner wall of the mounting cover.

[0008] As a further description of the above technical solution:

[0009] The dustproof mechanism includes a plug strip, which is snapped onto the inner wall of the left end of the heat-conducting cover, and the side wall of the plug strip has a through hole.

[0010] As a further description of the above technical solution:

[0011] The upper and lower inner walls of the plug are fixedly connected with first magnetic strips, and the inner wall of the left end of the heat-conducting cover is fixedly connected with a first iron strip that is magnetically attracted to the first magnetic strips.

[0012] As a further description of the above technical solution:

[0013] A limiting groove is provided on the right side of the mounting cover, and a partition is snapped into the inner wall of the limiting groove. A dustproof net is fixedly connected to the inner wall of the partition.

[0014] As a further description of the above technical solution:

[0015] A second iron strip is fixedly connected to the inner wall of the limiting groove, and a second magnetic strip that is magnetically attracted to the second iron strip is fixedly connected to the left side of the partition.

[0016] As a further description of the above technical solution:

[0017] Both ends of the heat-conducting cover are open structures.

[0018] This utility model has the following beneficial effects:

[0019] 1. In this utility model, the heat dissipation mechanism design not only expands the heat exchange area of ​​the fast charging device, but also allows the temperature of the fast charging device to dissipate quickly, thereby improving the heat dissipation efficiency of the fast charging device, which in turn helps to extend the service life of the fast charging device and avoids safety accidents caused by high temperature.

[0020] 2. In this utility model, the dustproof mechanism can block dust and impurities from the outside of the fast charging device, preventing dust or impurities from entering the gaps between the fins 32 and affecting the heat exchange efficiency of the fins 32. This ensures that the gaps between the fins 32 remain clean, which is conducive to the fins 32 fully exerting their heat exchange efficiency. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the left-side structure of this utility model;

[0022] Figure 2 This is a schematic diagram of the right-side structure of this utility model;

[0023] Figure 3 This utility model Figure 1 A schematic diagram of the exploded structure;

[0024] Figure 4 This utility model Figure 2 A schematic diagram of the exploded structure;

[0025] Figure 5 This is a cross-sectional structural diagram of the heat-conducting cover and mounting cover of this utility model.

[0026] Legend:

[0027] 1. Fast charging device; 2. sloping boss; 3. Heat dissipation mechanism; 31. heat conduction cover; 32. fins; 33. mounting cover; 34. miniature fan; 4. dustproof mechanism; 41. blocking strip; 42. through hole; 43. first magnetic strip; 44. first iron strip; 45. limiting groove; 46. partition plate; 47. dustproof net; 48. second iron strip; 49. second magnetic strip. Detailed Implementation

[0028] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0029] Reference Figure 1 - Figure 3 An embodiment of this utility model is provided: a fast charging device with a high-efficiency heat dissipation structure, including a fast charging device 1, a sloping boss 2 fixedly connected to the left end of the fast charging device 1, the sloping boss 2 can guide the airflow blown by the micro fan 34 toward the fast charging device 1, so that the airflow enters the gap between the fins 32, a heat dissipation mechanism 3 is provided on the outer wall of the fast charging device 1, and a dustproof mechanism 4 is provided at the left and right ends of the fast charging device 1.

[0030] Reference Figure 2 - Figure 4The heat dissipation mechanism 3 includes a heat-conducting cover 31, which has open ends on both sides. The open ends of the heat-conducting cover 31 allow for airflow between the heat-conducting cover 31 and the fast-charging device 1. Fins 32 are fixedly connected to the inner wall of the heat-conducting cover 31. The fins 32, the heat-conducting cover 31, and the outer shell of the fast-charging device 1 are all made of aluminum. Aluminum has excellent thermal conductivity, which can significantly improve the heat dissipation efficiency of the fast-charging device 1. The side of the fins 32 furthest from the heat-conducting cover 31 is fixedly connected to the outer wall of the fast-charging device 1. Heat generated by the fast-charging device 1 during use will dissipate through the outer wall of the fins. The heat is conducted from the shell to the fins 32, and then from the fins 32 to the heat-conducting cover 31. The heat exchange area of ​​the fast charging device 1 can be expanded by multiple sets of fins 32, thereby further improving the heat dissipation efficiency of the fast charging device 1. The right end of the heat-conducting cover 31 is fixedly connected to the mounting cover 33, and the mounting cover 33 and the heat-conducting cover 31 are connected by bolts. The inner wall of the mounting cover 33 is fixedly connected to a micro fan 34. The air blown by the micro fan 34 can dissipate heat from the fins 32, thereby improving the heat exchange efficiency of the fins 32 and allowing the temperature of the fast charging device 1 to be dissipated quickly.

[0031] Reference Figure 3 - Figure 5 The dustproof mechanism 4 includes a blocking strip 41, which is snapped onto the inner wall of the left end of the heat-conducting cover 31. The blocking strip 41 can seal the left end of the fast charging device 1 to prevent impurities from entering the gaps between the fins 32. The side wall of the blocking strip 41 has a through hole 42. When the airflow blown by the micro fan 34 passes through the gaps between the fins 32, it will be discharged outward through the through hole 42. The inner walls of the upper and lower sides of the blocking strip 41 are fixedly connected with a first magnetic strip 43. The inner wall of the left end of the heat-conducting cover 31 is fixedly connected with a first iron strip 44 that is magnetically attracted to the first magnetic strip 43. The magnetic attraction between the first magnetic strip 43 and the first iron strip 44 can realize the quick installation and removal of the blocking strip 41 so as to clean the inside of the through hole 42.

[0032] Reference Figure 3 - Figure 5 A limiting groove 45 is provided on the right side of the mounting cover 33. A partition 46 is snapped into the inner wall of the limiting groove 45. A dustproof net 47 is fixedly connected to the inner wall of the partition 46. When the micro fan 34 blows air to the fast charging device 1, the dustproof net 47 can filter the airflow entering the heat conduction cover 31. A second iron strip 48 is fixedly connected to the inner wall of the limiting groove 45. A second magnetic strip 49 that is magnetically attracted to the second iron strip 48 is fixedly connected to the left side of the partition 46. The partition 46 can be quickly disassembled and assembled by the magnetic attraction between the second iron strip 48 and the second magnetic strip 49, so as to clean the dustproof net 47.

[0033] Working principle: When the fast charging device 1 is in use, the heat generated is conducted through its outer shell to the fins 32, and then from the fins 32 to the heat conduction cover 31. Then, the micro fan 34 is activated to blow air onto the fast charging device 1. At this time, under the guidance of the inclined boss 2, the airflow blown by the micro fan 34 onto the fast charging device 1 is guided into the gaps between the fins 32, allowing the airflow to pass through the gaps between the fins 32 and be discharged through the through hole 42. At this time, the air blown by the micro fan 34 can dissipate heat from the fins 32, thereby improving the heat exchange efficiency of the fins 32 and allowing the temperature of the fast charging device 1 to dissipate quickly. Furthermore, by using multiple sets of fins 32, the heat exchange area of ​​the fast charging device 1 can be expanded, thereby further improving the heat dissipation efficiency of the fast charging device 1.

[0034] When the miniature fan 34 blows air onto the fast charging device 1, the dustproof net 47 can filter the airflow entering the heat conduction cover 31 to prevent dust or impurities from entering the gaps between the fins 32 and affecting the heat exchange efficiency of the fins 32. The blocking strip 41 can be used to seal the left end of the fast charging device 1 to prevent impurities from entering the gaps between the fins 32. The cooperation between the dustproof net 47 and the blocking strip 41 can ensure that the gaps between the fins 32 are kept clean and prevent the heat exchange of the fins 32 from being interfered with.

[0035] When the dust filter 47 needs to be cleaned, simply pull the partition 46 to cause the second magnetic strip 49 to detach from the second iron strip 48, and the partition 46 can be removed from the inside of the limiting groove 45. At this time, the dust filter 47 can be cleaned. After cleaning, insert the dust filter 47 back into the limiting groove 45 and make the second magnetic strip 49 and the second iron strip 48 adhere together. At this time, the magnetic attraction between the second magnetic strip 49 and the second iron strip 48 can fix the partition 46 inside the limiting groove 45, so that the dust filter 47 can perform the filtering effect again.

[0036] Pulling the plug 41 causes the first magnetic strip 43 to detach from the first iron strip 44, allowing the plug 41 to be removed from the gap between the heat-conducting cover 31 and the fast-charging device 1 for cleaning the through hole 42. After cleaning, insert the plug 41 back into the gap between the heat-conducting cover 31 and the fast-charging device 1, causing the first magnetic strip 43 to adhere to the first iron strip 44. The magnetic attraction between the first magnetic strip 43 and the first iron strip 44 then fixes the plug 41 in the gap between the heat-conducting cover 31 and the fast-charging device 1, thus completing the installation of the plug 41.

[0037] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A fast charging device with high-efficiency heat dissipation structure, comprising a fast charging equipment (1), characterized in that: The fast charging device (1) is fixedly connected to a sloping boss (2) on the left end, and a heat dissipation mechanism (3) is provided on the outer wall of the fast charging device (1). Dustproof mechanisms (4) are provided on the left and right ends of the fast charging device (1). The heat dissipation mechanism (3) includes a heat-conducting cover (31), and fins (32) are fixedly connected to the inner wall of the heat-conducting cover (31). The side of the fins (32) away from the heat-conducting cover (31) is fixedly connected to the outer wall of the fast charging device (1). A mounting cover (33) is fixedly connected to the right end of the heat-conducting cover (31), and a miniature fan (34) is fixedly connected to the inner wall of the mounting cover (33).

2. The fast-charging device with high-efficiency heat dissipation structure according to claim 1, characterized in that: The dustproof mechanism (4) includes a plug (41), which is snapped onto the inner wall of the left end of the heat-conducting cover (31), and the side wall of the plug (41) is provided with a through hole (42). 3.The fast-charging device with high-efficiency heat dissipation structure of claim 2, wherein: The upper and lower inner walls of the blocking strip (41) are fixedly connected with a first magnetic strip (43), and the inner wall of the left end of the heat-conducting cover (31) is fixedly connected with a first iron strip (44) that is magnetically attracted to the first magnetic strip (43).

4. The fast-charging device with high-efficiency heat dissipation structure of claim 1, wherein: A limiting groove (45) is provided on the right side of the mounting cover (33), and a partition (46) is snapped into the inner wall of the limiting groove (45). A dustproof net (47) is fixedly connected to the inner wall of the partition (46). 5.The fast-charging device with high-efficiency heat dissipation structure of claim 4, wherein: The inner wall of the limiting groove (45) is fixedly connected to a second iron strip (48), and the left side of the partition (46) is fixedly connected to a second magnetic strip (49) that is magnetically attracted to the second iron strip (48). 6.The fast-charging device with high-efficiency heat dissipation structure of claim 1, wherein: The heat-conducting cover (31) has open structures at both its left and right ends.