Earphone charging box with high heat dissipation efficiency

Abstract

The utility model relates to earphone charging box technical field especially relates to an earphone charging box of high -efficient heat dissipation, including bottom shell, the bottom shell rear side rotatoryly provided with the symmetry distribution pivot, the pivot is commonly provided with top shell, the bottom shell inside is provided with lower inner shell, the top shell inside is provided with upper inner shell, the bottom shell with upper inner shell forms and has the accommodation space between, this space is provided with PCBA board, battery package, wireless charging module and exhaust fan from top to bottom, and each component is through electric connection between parts, realizes power transmission and function control. Through setting up exhaust fan, air inlet and air outlet in bottom shell, and cooperate with the complete air circulation path of baffle formation, realize the active heat dissipation of PCBA board, battery package, wireless charging module and other heating elements, effectively reduce the internal temperature when equipment operation, avoid the performance decline and shell deformation problem due to high temperature, improve the stability and reliability of overall equipment.

Description

Technical Field

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

[0002] With the widespread use of wireless Bluetooth headphones in the consumer electronics market, users are increasingly demanding higher standards for headphone comfort, battery life, and ease of use. As an important accessory for wireless headphones, the headphone charging case not only serves to store the headphones but also charges them, supports wireless charging, and even provides additional functional expansion.

[0003] However, in actual use, due to the frequent charging and discharging operations between the earphones and the charging case, especially when fast charging and wireless charging are supported, the internal PCBA board, battery pack, wireless charging module and other components will generate a lot of heat. Traditional earphone charging cases mostly adopt passive heat dissipation, relying solely on the thermal conduction of the shell material to slowly dissipate heat to the external environment, which has low heat dissipation efficiency. When used for a long time or in a high-temperature environment, the internal temperature of the charging case continues to rise. The shell made of plastic or other non-metallic materials may soften or deform under high temperature, affecting the opening and closing structure and overall sealing performance. In addition, high temperature will significantly shorten the lifespan of electronic components, leading to problems such as contact oxidation and unstable connection.

[0004] Therefore, there is an urgent need to provide an earphone charging case with high heat dissipation. By introducing an active heat dissipation mechanism, air circulation efficiency can be improved to achieve rapid cooling and thus ensure stable operation of the device. Utility Model Content

[0005] In order to overcome the shortcomings of existing headphone charging cases, such as insufficient heat dissipation in high-power application scenarios, which can easily lead to excessive internal temperature and thus affect service life and user experience, this utility model provides a headphone charging case with efficient heat dissipation.

[0006] To address the aforementioned issues, this utility model employs the following technical solution: a high-efficiency heat dissipation earphone charging case, comprising a bottom shell, symmetrically distributed rotating shafts rotatably arranged on the rear side of the bottom shell, a top shell being arranged on the rotating shafts, a lower inner shell being arranged inside the bottom shell, an upper inner shell being arranged inside the top shell, and an accommodating space being formed between the bottom shell and the upper inner shell. Within this space, from top to bottom, a PCBA board, a battery pack, a wireless charging module, and an exhaust fan are arranged. The components are electrically connected to achieve power transmission and functional control. The PCBA board is provided with symmetrically distributed contact seats. Multiple sets of air inlets are opened on both sides of the bottom shell, and a guide plate is arranged between adjacent sets of air inlets. Multiple fan-shaped air outlets are arranged around the exhaust fan at the bottom of the bottom shell.

[0007] As a further preferred embodiment, the fan-shaped air outlet is arranged in a staggered manner with the blades of the exhaust fan.

[0008] As a further preferred embodiment, a first magnet is embedded in the bottom of the bottom shell, a conical seat is detachably provided in the bottom of the bottom shell, and a second magnet that cooperates with the first magnet is embedded in the top of the conical seat.

[0009] As a further preferred embodiment, the inner surface of the bottom shell is provided with a plurality of first locking blocks at uniform intervals, the outer surface of the lower inner shell is provided with a plurality of first locking slots at uniform intervals, the first locking blocks are adapted to the first locking slots, the inner surface of the top shell is provided with a plurality of second locking blocks at uniform intervals, and the outer surface of the upper inner shell is provided with a plurality of second locking slots at uniform intervals, the second locking blocks are adapted to the second locking slots.

[0010] As a further preferred embodiment, a lower magnetic base is embedded inside the lower inner shell, and an upper magnetic base is embedded inside the upper inner shell.

[0011] As a further preferred embodiment, indicator stickers are affixed to both sides of the top of the lower inner shell.

[0012] Compared with the prior art, the present invention has the following technical effects: 1. By setting an exhaust fan, an air inlet and an air outlet in the bottom shell, and forming a complete air circulation path with the guide plate, active heat dissipation of heat-generating components such as PCBA board, battery pack, and wireless charging module can be achieved, effectively reducing the internal temperature of the device during operation, avoiding performance degradation and shell deformation caused by high temperature, and improving the overall stability and reliability of the device.

[0013] 2. By setting a first magnet at the bottom of the base and cooperating with a second magnet on the conical seat, a magnetic support structure is achieved, which not only enhances the stability of placement, but also creates an air gap by raising the base, further ensuring the heat dissipation effect at the bottom.

[0014] 3. The lower inner shell and bottom shell, as well as the upper inner shell and top shell, are connected by a snap-fit ​​structure with a locking block and a locking slot, making it easy to replace, clean and repair internal components and improve the convenience of later maintenance of the product. Attached Figure Description

[0015] Figure 1 This is a three-dimensional structural diagram of the present invention.

[0016] Figure 2 This is a three-dimensional cross-sectional view of the bottom shell, lower inner shell, and PCBA board of this utility model.

[0017] Figure 3 This is an exploded view of the bottom shell, lower magnetic base, and battery pack of this utility model.

[0018] Figure 4 This is an exploded view of the upper inner shell, the second card block, and the upper magnetic base of this utility model.

[0019] Figure 5 This is an exploded view of the bottom shell, battery pack, and air guide plate of this utility model.

[0020] Figure 6 This is a three-dimensional cross-sectional view of the bottom shell, exhaust fan, and first locking block of this utility model.

[0021] Figure 7 This is a three-dimensional structural diagram of the first magnet, the conical base, and the second magnet of this utility model.

[0022] The components are: 1-bottom shell, 2-spindle, 3-top shell, 4-lower inner shell, 5-upper inner shell, 6-PCBA board, 601-contact base, 7-battery pack, 8-wireless charging module, 9-exhaust fan, 10-air inlet, 11-guide plate, 12-fan-shaped air outlet, 13-first magnet, 14-conical base, 1401-second magnet, 15-first locking block, 16-first card slot, 17-second locking block, 18-second card slot, 19-lower magnetic base, 20-upper magnetic base, 21-indicator sticker. Detailed Implementation

[0023] The present invention will be further described below with reference to specific embodiments. It should also be noted that, unless otherwise explicitly specified and limited, terms such as "setting," "installing," "connecting," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in the present invention based on the specific circumstances.

[0024] Example 1: Please refer to Figures 1-5A high-efficiency heat dissipation earphone charging case includes a bottom shell 1. A rotating shaft 2, symmetrically distributed on the rear side of the bottom shell 1, is rotatably mounted on the bottom shell 1. A top shell 3 is mounted on the rotating shaft 2. A lower inner shell 4 for accommodating a pair of wireless earphones is located inside the bottom shell 1. An upper inner shell 5 is located inside the top shell 3. A receiving space is formed between the bottom shell 1 and the upper inner shell 5. A PCBA board 6, a battery pack 7, a wireless charging module 8, and an exhaust fan 9 are arranged from top to bottom within this space. The components are electrically connected to achieve power transmission and functional control. The PCBA board 6 has symmetrically distributed contact seats 601 for contacting and charging the wireless earphones inside the lower inner shell 4. Seven sets of air intake holes 10 are opened on the left and right sides of the bottom shell 1. A guide plate 11 is provided between the two adjacent groups of air inlets 10 to guide external cold air into and flow to the key heating element. The bottom of the bottom shell 1 is provided with eight fan-shaped air outlets 12 arranged around the exhaust fan 9 to exhaust internal heat. In addition, the fan-shaped air outlets 12 are staggered with the fan blades of the exhaust fan 9 to reduce airflow disturbance, improve ventilation efficiency and reduce operating noise. The lower inner shell 4 is embedded with a lower magnetic seat 19, and the upper inner shell 5 is embedded with an upper magnetic seat 20. When the top shell 3 is closed, the two form a magnetic attraction force to improve the positioning stability of the headphone charging case when closed. Indicator stickers 21 are affixed to the left and right sides of the top of the lower inner shell 4 to indicate the placement direction of the headphones or display charging and communication status information.

[0025] When the earphone charging case is in operation, the PCBA board 6, battery pack 7, and wireless charging module 8 generate a certain amount of heat when powered on. At this time, the built-in exhaust fan 9 starts simultaneously, generating a suction effect and creating a negative pressure environment inside the charging case. Outside air enters the accommodating space through the air inlets 10 on both sides of the bottom shell 1, and under the guidance of the guide plate 11, flows evenly to the main heat-generating areas such as the PCBA board 6, wireless charging module 8, and battery pack 7, effectively removing their surface heat. The heated air flows downward under the action of the exhaust fan 9 and is finally discharged to the external environment through the fan-shaped air outlet 12 at the bottom, thus completing the entire air circulation process.

[0026] Example 2: Based on Example 1, please refer to... Figure 7 The bottom of the bottom shell 1 is embedded with a first magnet 13, and the bottom of the bottom shell 1 is detachably provided with a conical seat 14. The conical seat 14 forms an air flow gap of a certain height between the bottom shell 1 and the placement surface to improve the heat dissipation efficiency at the bottom. The top of the conical seat 14 is embedded with a second magnet 1401 that cooperates with the first magnet 13. The two are stably connected by magnetic adsorption.

[0027] When the earphone charging case is placed on a table, the cone-shaped base 14 has a large bottom area, which provides a larger contact surface, making the earphone charging case more stable on the table or other flat surfaces and less likely to tip over. At the same time, the cone-shaped base 14 lifts the bottom shell 1 away from the placement surface, forming an air circulation gap between the two, so that the fan-shaped air vent 12 at the bottom of the bottom shell 1 can effectively expel hot air and avoid heat accumulation. In addition, the magnetic connection method allows the cone-shaped base 14 to be disassembled at any time without taking up extra space, making it easy to carry and store.

[0028] Please see Figure 3 and Figure 4 The bottom shell 1 has four first locking blocks 15 evenly spaced on its inner surface, and the lower inner shell 4 has four first locking slots 16 evenly spaced on its outer surface. The first locking blocks 15 and the first locking slots 16 are adapted to achieve a detachable locking and fixing between the lower inner shell 4 and the bottom shell 1. The top shell 3 has four second locking blocks 17 evenly spaced on its inner surface, and the upper inner shell 5 has four second locking slots 18 evenly spaced on its outer surface. The second locking blocks 17 and the second locking slots 18 are adapted to achieve a detachable locking and fixing between the upper inner shell 5 and the top shell 3.

[0029] When the lower inner shell 4 and the upper inner shell 5 are installed, the first locking block 15 is inserted into the corresponding first locking slot 16, and the second locking block 17 is inserted into the corresponding second locking slot 18. This effectively restricts the relative displacement of the lower inner shell 4 and the upper inner shell 5 within the outer shell, ensuring that the inner shell is installed securely and preventing it from falling off due to vibration or drops. In addition, the buckle structure is a detachable design, so that users or technicians can easily disassemble and reassemble when it is necessary to replace the inner shell, clean the internal components, or repair the circuit.

[0030] The present application has been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only for the purpose of helping to understand the method and core ideas of the present application. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the ideas of the present application. Therefore, the content of this specification should not be construed as a limitation of the present application.

Claims

1. A high-efficiency heat dissipation headphone charging case, comprising a bottom shell (1), wherein symmetrically distributed rotating shafts (2) are rotatably arranged on the rear side of the bottom shell (1), and a top shell (3) is arranged on the rotating shafts (2), a lower inner shell (4) is arranged inside the bottom shell (1), and an upper inner shell (5) is arranged inside the top shell (3), wherein an accommodating space is formed between the bottom shell (1) and the upper inner shell (5), and a PCBA board (6), a battery pack (7), a wireless charging module (8), and an exhaust fan (9) are arranged from top to bottom in the space, wherein the components are electrically connected to realize power transmission and functional control, wherein, The PCBA board (6) is provided with symmetrically distributed contact seats (601). The bottom shell (1) has multiple sets of air inlets (10) on both sides, and a guide plate (11) is provided between two adjacent sets of air inlets (10). The bottom of the bottom shell (1) is provided with multiple fan-shaped air outlets (12) arranged around the exhaust fan (9).

2. The earphone charging case with high-efficiency heat dissipation according to claim 1, characterized in that, The fan-shaped air outlet (12) is arranged in a staggered manner with the blades of the exhaust fan (9).

3. The earphone charging case with high-efficiency heat dissipation according to claim 2, characterized in that, The bottom shell (1) is provided with a first magnet (13) embedded in the bottom, and a conical seat (14) is provided detachably at the bottom of the bottom shell (1). A second magnet (1401) that cooperates with the first magnet (13) is embedded in the top of the conical seat (14).

4. The earphone charging case with high-efficiency heat dissipation according to claim 3, characterized in that, The inner surface of the bottom shell (1) is provided with a plurality of first locking blocks (15) evenly spaced apart, and the outer surface of the lower inner shell (4) is provided with a plurality of first locking slots (16) evenly spaced apart. The first locking blocks (15) are adapted to the first locking slots (16). The inner surface of the top shell (3) is provided with a plurality of second locking blocks (17) evenly spaced apart, and the outer surface of the upper inner shell (5) is provided with a plurality of second locking slots (18) evenly spaced apart. The second locking blocks (17) are adapted to the second locking slots (18).

5. A high-efficiency heat dissipation earphone charging case according to claim 4, characterized in that, The lower inner shell (4) is provided with a lower magnetic seat (19) embedded inside, and the upper inner shell (5) is provided with an upper magnetic seat (20) embedded inside.

6. A high-efficiency heat dissipation earphone charging case according to claim 5, characterized in that, Indicator stickers (21) are affixed to both sides of the top of the lower inner shell (4).

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