Vehicle-mounted USB charging heat dissipation module structure

Abstract

The utility model relates to the field of vehicle-mounted USB charging seat heat dissipation, and discloses a vehicle-mounted USB charging heat dissipation module structure, which comprises a platform body, a plurality of third culvert pipes are arranged on the platform body and are distributed in a circumferential array, a cylinder body is fixedly connected to the upper side of the platform body, a plurality of second culvert pipes are arranged on the cylinder body and are distributed in a circumferential array, and the second culvert pipes are fixedly connected to the upper side of the platform body. According to the utility model, external air is sucked from the suction first culvert pipe through the micro fan arranged in the shell, and then passes through the second culvert pipes and the third culvert pipes to reach the inside of the cylinder body provided with the circuit board, so that heat generated by the circuit board is dissipated into the air, and the heat dissipation efficiency of the circuit board is improved. The air carrying high-temperature heat is discharged outwards from the first filter screen, the heat dissipation effect of the USB charging seat is achieved, and the USB charging seat has the advantages of being high in heat dissipation performance and high in heat dissipation efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to vehicle USB charging seat technical field especially relates to a vehicle USB charging heat dissipation module structure. BACKGROUND

[0002] Vehicle USB charging seat can provide charging service for mobile devices such as mobile phones and tablets through automobile battery power supply, and act as a convenient charging station, vehicle USB charging seat can not only charge electronic devices, but also connect external storage devices such as U disk and MP3 player to realize data transmission and sharing, and is a kind of basic accessory with universal demand in the era of Internet of vehicles, and the current vehicle vehicle USB charging device has poor heat dissipation performance, leading to serious heating of USB charging seat during long-time charging.

[0003] For example, a heat dissipation type vehicle charger is disclosed in the Chinese utility model patent with the publication number CN208862589U, which includes charger shell, although the scheme is designed by the inclined cylindrical hole two on the rotating device and the inclined cylindrical hole one in the groove, so that the vehicle charger in work is fully cooled, but the heat dissipation performance of this structure is limited, and long-time use may lead to serious heating of USB charging seat, and there is a safety hazard, based on this, a vehicle USB charging heat dissipation module structure that can solve the above problems is proposed. UTILITY MODEL CONTENT

[0004] To solve the technical problem of vehicle USB charging seat heat dissipation, the utility model provides a vehicle USB charging heat dissipation module structure.

[0005] The utility model adopts the following technical scheme to realize: a vehicle USB charging heat dissipation module structure, including the table body, a plurality of third culverts are arranged on the table body, a plurality of third culverts are arranged in circumferential array, the upper side of the table body is fixedly connected with the barrel, a plurality of second culverts are arranged on the barrel, a plurality of second culverts are arranged in circumferential array, the lower end of each second culvert is communicated with the upper end of each third culvert, the upper side of the barrel is fixedly connected with the casing, a plurality of first culverts are arranged on the casing, a plurality of first culverts are arranged in circumferential array, the lower end of each first culvert is communicated with the upper end of each first culvert, the upper side of the casing is provided with a plurality of USB interface grooves, and the inside of the casing is provided with a blower mechanism.

[0006] The blower mechanism includes the micro fan fixedly connected with the inside of the casing, the air outlet of the micro fan is communicated with the inside of the barrel, and the inside space of the barrel is communicated with the upper end of a plurality of third culverts.

[0007] The circuit board is fixedly connected at the inner central position of the barrel body and is electrically connected with the plurality of USB interface slots and the micro fan respectively.

[0008] The upper side of the shell is provided with a groove, the bottom side of the groove is communicated with the upper ports of the plurality of first culverts, and the upper side of the groove is provided with a second filter screen.

[0009] The upper side of the shell is provided with a first filter screen, and the micro fan is located below the first filter screen.

[0010] As a further improvement of the above scheme, when the micro fan is started, air enters from the first culvert, then passes through the second culvert, the third culvert and the inside of the barrel body in sequence, and is finally discharged upwards from the first filter screen.

[0011] Compared with the prior art, the car-mounted USB charging heat dissipation module structure has the advantages that:

[0012] 1. The car-mounted USB charging heat dissipation module structure has the advantages that the air outside the shell is sucked into the first culvert through the micro fan arranged in the shell, the air outside the shell passes through the second culvert and the third culvert, and the heat generated by the circuit board is dissipated in the air, so that the air carrying high-temperature heat is discharged outward from the first filter screen, the effect of heat dissipation of the USB charging seat is achieved, and the car-mounted USB charging heat dissipation module structure has the advantages of strong heat dissipation performance and high heat dissipation efficiency.

[0013] 2. When the air outside the shell is injected into the inside of the barrel body through the micro fan, the circuit board is arranged at the central symmetrical position of the barrel body, the one side of the circuit board is provided with electronic components, and the other side is relatively flat. According to Bernoulli's principle, when the air flow passes through the two sides of the circuit board, the air flow speed of the side provided with the electronic components is smaller, and the air flow of the other side is larger. At this time, the air pressure of the side with unevenness is larger, and the pressure acts on the surface of the electronic components on the circuit board, so that the dust accumulated on the surface of the electronic components is rubbed away, and the car-mounted USB charging heat dissipation module structure has the advantage of self-cleaning. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the car-mounted USB charging heat dissipation module structure provided by the utility model;

[0015] Figure 2 It is Figure 1 a sectional view;

[0016] Figure 3 It is Figure 1 an exploded structure schematic view;

[0017] Figure 4 It is Figure 3 a side view.

[0018] MAIN SYMBOL EXPLANATION:

[0019] 1. Platform; 2. Cylinder; 3. Shell; 4. USB interface slot; 5. First filter screen; 6. Second filter screen; 7. First culvert; 8. Second culvert; 9. Third culvert; 10. Circuit board; 11. Groove; 12. Miniature fan. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and specific embodiments. It should be noted that, without conflict, the various embodiments or technical features described below can be arbitrarily combined to form new embodiments.

[0021] Example:

[0022] Please combine Figures 1-4 This embodiment of a vehicle-mounted USB charging heat dissipation module structure includes a platform 1. A limiting protrusion is provided on the lower side of the platform 1 to fit the vehicle body structure. In this embodiment, the platform 1 has 12 third culverts 9, such as... Figure 2 As shown, it is a semi-circular shape that changes the direction of airflow. The 12 third culverts 9 are arranged in a circumferential array, which is evenly and symmetrically distributed and has a uniform heat dissipation effect. The upper side of the platform 1 is fixedly connected to the cylinder 2. The cylinder 2 is a hollow structure. The cylinder 2 has 12 second culverts 8 arranged in a circumferential array. The lower end of each second culvert 8 is connected to the upper end of each third culvert 9. The upper side of the cylinder 2 is fixedly connected to the shell 3. The shell 3 has 12 first culverts 7 arranged in a circumferential array. The lower end of each first culvert 7 is connected to the upper end of each first culvert 7. The upper side of the shell 3 is provided with multiple USB interface slots 4. The inside of the shell 3 is provided with a blower mechanism.

[0023] Please combine Figure 2 As shown, the blower mechanism includes a miniature fan 12 fixedly connected to the inside of the housing 3. The air outlet of the miniature fan 12 is connected to the inside of the cylinder 2. The internal space of the cylinder 2 is connected to the upper port of 12 third culverts 9. The miniature fan 12 can accelerate the flow of outside air and internal heat, thereby improving the heat dissipation effect.

[0024] Please combine Figure 2 As shown, a circuit board 10 is fixedly connected to the center of the cylinder 2. The circuit board 10 is located in the vertical plane where the central axis is located. The circuit board 10 is electrically connected to the four USB interface slots 4 and the micro fan 12 respectively.

[0025] Please combine Figure 2 As shown, a groove 11 is provided on the upper side of the housing 3. The bottom side of the groove 11 is connected to the upper port of the 12 first culverts 7. A second filter screen 6 is provided on the upper side of the groove 11, which is a detachable design.

[0026] Please combine Figure 2 As shown in the drawings, the upper side of the shell 3 is provided with a first filter screen 5, and the micro fan 12 is located below the first filter screen 5, and the first filter screen 5 is used to prevent foreign matters from the outside from entering the inside of the cylinder 2.

[0027] When the micro fan 12 is started, air enters from the first duct 7, then passes through the second duct 8, the third duct 9 and the inside of the cylinder 2 in sequence, and finally is discharged upward from the first filter screen 5.

[0028] The implementation principle of the vehicle-mounted USB charging and heat dissipation module structure in the embodiment of the application is that the USB charging seat is installed at the cigar lighter hole position in the automobile driver's cabin, the micro fan 12 is started, air from the outside is filtered through the second filter screen 6, then enters from the upper port of the first duct 7, and then enters the upper port of the second duct 8 from the lower port of the first duct 7, since the circuit board 10 is installed in the inside of the cylinder 2, through the heat transfer effect, part of the heat of the circuit board 10 can be expanded in the cold air in the second duct 8 through the inner wall of the cylinder 2, the air carrying part of the heat enters the one side port of the third duct 9 from the lower port of the second duct 8, then is discharged from the port of the third duct 9 located at the table body 1, that is, the lowermost side of the cylinder 2, at this time, the air and the heat generated by the high temperature of the circuit board 10 are mixed in the cavity of the cylinder 2, and flow upward, and finally the air carrying the heat flows out from the first filter screen 5 of the micro fan 12.

[0029] The above-mentioned embodiment is only a preferred embodiment of the application, and cannot be used to limit the range of protection of the application, and any non-substantial change and replacement made by the person skilled in the art on the basis of the application all belong to the range of protection required by the application.

Claims

1. A vehicle-mounted USB charging and heat dissipation module structure comprising a table body (1), characterized in that, The third culvert (9) is arranged on the upper side of the table body (1), and the third culvert (9) is arranged in a circular array.

2. The USB charging and heat dissipation module structure for vehicle as claimed in claim 1, wherein, The third culvert (9) is arranged on the upper side of the table body (1), and the third culvert (9) is arranged in a circular array.

3. The USB charging and heat dissipation module structure for vehicle as claimed in claim 2, wherein, The third culvert (9) is arranged on the upper side of the table body (1), and the third culvert (9) is arranged in a circular array.

4. The USB charging and heat dissipation module structure for vehicle as claimed in claim 1, wherein, The third culvert (9) is arranged on the upper side of the table body (1), and the third culvert (9) is arranged in a circular array.

5. The USB charging and heat dissipation module structure for vehicle as claimed in claim 2, wherein, The third culvert (9) is arranged on the upper side of the table body (1), and the third culvert (9) is arranged in a circular array.

6. The USB charging and heat dissipation module structure for vehicle as claimed in claim 5, wherein, When the micro fan (12) is started, air enters from the first culvert (7), then passes through the second culvert (8), the third culvert (9) and the inside of the cylinder (2) in turn, and finally is discharged upward from the first filter screen (5).

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