CN219107081U

CN219107081U - Vehicle-mounted charger with heat dissipation function

Info

Publication number: CN219107081U
Application number: CN202223118593.0U
Authority: CN
Inventors: 曾季辉
Original assignee: Shenzhen Youpinshi Electronic Technology Co ltd
Current assignee: Shenzhen Youpinshi Electronic Technology Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-30
Anticipated expiration: 2032-11-23

Abstract

The utility model provides an on-vehicle charger with heat dissipation function, comprising: the main body is used for being matched with the automobile cigar lighter jack, and the control circuit board, the adapter plate and the heat dissipation fan are arranged in the main body. The adapter plate is provided with a plurality of charging interfaces and a display for displaying the frequency modulation frequency, the current and the voltage, and the adapter plate and the heat dissipation fan are electrically connected with the control circuit board. The adapter plate and the control circuit board are both positioned below the heat dissipation fan. An air inlet hole is formed in the bottom of the main body, a heat dissipation hole is formed in the top end, close to the control circuit board, of the main body or above the control board, and an air outlet of the heat dissipation fan faces to one side direction away from the air inlet hole. When the cooling fan works, cold air is input from the bottom of the control circuit board, is discharged from the cooling hole at the top end or above the control circuit board after passing through the control circuit board, and can take away the heating heat of the adapter plate, and effectively dissipates heat of the vehicle-mounted charger suitable for the jack of the vehicle-mounted cigar lighter, so that the charger can work in full load for a long time.

Description

Vehicle-mounted charger with heat dissipation function

Technical Field

The utility model relates to the technical field of vehicle-mounted chargers, in particular to a vehicle-mounted charger with a heat dissipation function.

Background

As is well known, a vehicle-mounted charger suitable for a cigarette lighter jack of an automobile comprises one or more USB interfaces, and can charge one or two digital products (such as a mobile phone, a bluetooth headset charging seat, etc.) at the same time through a data line. In addition, in order to facilitate users to check audio frequency channels or check charging current and charging voltage, the existing vehicle-mounted charger suitable for the jack of the automobile cigar lighter is provided with a display so as to display audio frequency bands or currents, voltages and the like.

At present, the existing vehicle-mounted charger suitable for the automobile cigar lighter generates heat easily when being charged, and the charger can reduce power due to high temperature in ten minutes of full-load work, so that the problem that long-time full-load work cannot be met.

Disclosure of Invention

In order to solve the defects and shortcomings of the prior art, the utility model provides a vehicle-mounted charger with a heat dissipation function, which is used for solving the problem that the existing vehicle-mounted charger suitable for a cigar lighter of an automobile is easy to generate heat and cannot meet long-time full-load work.

The technical scheme adopted by the utility model is as follows: an in-vehicle charger with heat dissipation function, comprising: the main body is used for being matched with the automobile cigar lighter jack, and the control circuit board, the adapter plate and the heat dissipation fan are arranged in the main body; the adapter plate is provided with a plurality of charging interfaces and a display for displaying frequency modulation frequency, current and voltage, and the adapter plate and the heat dissipation fan are electrically connected with the control circuit board;

the adapter plate and the control circuit board are both positioned below the heat dissipation fan, a mounting hole is formed in one end of the control circuit board, which is close to the adapter plate, and the heat dissipation fan is arranged in the mounting hole; the bottom of main part has seted up the fresh air inlet, the main part has seted up the louvre on being close to the top of control circuit board or being located the top of control panel, the air outlet of heat dissipation fan is towards the one side direction that keeps away from the fresh air inlet.

Further, the main body comprises a shell and a shell cover arranged at the top of the shell, and the radiating holes are formed in the top end of the shell.

Further, the top surface of the shell cover is provided with a yielding hole corresponding to the position of the charging interface, and the top surface of the shell cover is made of a light-transmitting material corresponding to the position of the display.

Further, the shell cover comprises a surface cover and a decorative ring, and the decorative ring is sleeved on the outer side of the surface cover.

Further, a boss is arranged on the top of the shell in a surrounding mode, a first thread is arranged on the outer side wall of the boss, a second thread matched with the first thread for use is arranged on the inner side wall of the decorative ring, and the heat dissipation hole is located on the boss and located below the first thread;

the bottom of the face cover is provided with a pressing rod, and the adapter plate is arranged between the boss and the pressing rod.

Further, an input electrode matched with the socket of the vehicle-mounted cigar lighter for realizing power input is arranged on the shell.

Further, the outer side wall of the decorative ring is provided with anti-skid patterns.

Further, a raised ring is arranged on the inner side wall of the decorative ring;

the face cover is provided with a connecting rod, and the connecting rod is provided with a first clamping block matched with the raised ring for use; or a second clamping block matched with the raised ring for use is arranged on the pressure lever.

Further, the number of the charging interfaces is two, and the charging interfaces are respectively positioned at two sides of the display.

Further, the display is a digital tube.

The utility model has the beneficial effects that: compared with the prior art, when the cooling fan works, cold air is input from the bottom of the control circuit board, is discharged from the cooling hole at the top end or above the control circuit board after passing through the control circuit board, and can take away the heating heat of the adapter plate, so that the cooling fan can effectively dissipate heat of a vehicle-mounted charger suitable for a jack of a vehicle-mounted cigar lighter, and the charger can work fully for a long time.

Drawings

Fig. 1 is a perspective view of the present utility model.

Fig. 2 is a partial exploded view of the present utility model.

Fig. 3 is an exploded view of the present utility model.

FIG. 4 is a schematic illustration of the present utility model with the cover removed.

Fig. 5 is a structural view of the decorative ring of the present utility model.

Detailed Description

The technical solutions of the present embodiment will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are only some of the embodiments of the present utility model. Based on the embodiments of the present utility model, other embodiments obtained by those skilled in the art without making any inventive effort are within the scope of the present utility model.

Referring to fig. 1-5, an on-vehicle charger with heat dissipation function in an embodiment of the present utility model includes: a main part 1 for use with car cigar lighter jack cooperation, set up control circuit board 4, keysets 2 and radiator fan 3 in main part 1. The adapter plate 2 is provided with a plurality of charging interfaces 21 and a display 22 for displaying the frequency modulation frequency, the current and the voltage, and the adapter plate 2 and the heat dissipation fan 3 are electrically connected with the control circuit board 4. The adapter plate 2 and the control circuit board 4 are both positioned below the heat dissipation fan 3, the control circuit board 4 is provided with a mounting hole 41 at one end close to the adapter plate 2, and the heat dissipation fan 3 is arranged in the mounting hole 41. The bottom of main part 1 has seted up fresh air inlet 133, main part 1 has seted up louvre 132 on being close to the top of control circuit board 4 or being located the top of control panel, the air outlet of radiator fan 3 is towards the one side direction that keeps away from fresh air inlet 133.

When the cooling fan 3 works, cold air is input from the bottom of the control circuit board 4, is discharged from the cooling hole 132 at the top end or above the control circuit board 4 after passing through the control circuit board 4, can take away the heating heat of the adapter plate 2, and effectively dissipates the heat of the vehicle-mounted charger suitable for the jack of the vehicle-mounted cigar lighter, so that the charger can work fully for a long time, and the problem that the existing vehicle-mounted charger suitable for the vehicle cigar lighter is easy to heat and cannot meet the long-time full-load work is solved. In addition, the utility model utilizes the mounting hole 41 to embed the heat radiation fan 3 on the control circuit board 4, so that the fan is simple to mount, the mounting space is saved, and the manufacture is convenient for manufacturers.

In addition, when the present utility model charges the external device, the display 22 can display the charging voltage of the external device at this time. In an embodiment, when the control circuit board 4 is provided with an FM receiver, the FM receiver can be used to receive channels, and the display 22 displays the frequency band, so that the user can use the frequency band conveniently.

In this embodiment, the main body 1 includes a housing 13 and a housing cover disposed on the top of the housing 13, and the heat dissipation hole 132 is formed on the top of the housing 13.

Specifically, the top surface of the cover is provided with a relief hole 111 corresponding to the charging port 21, so as to expose the charging port 21. The top surface of the cover is made of a transparent material corresponding to the display 22, so that a user can view the content displayed by the display 22.

In one embodiment, to improve the aesthetic property and the compactness of the structure of the present utility model, the cover comprises a surface cover 11 and a decorative ring 12, and the decorative ring 12 is sleeved on the outer side of the surface cover 11.

Specifically, the top of the housing 13 is provided with a boss 131 in a surrounding manner, the outer side wall of the boss 131 is provided with a first thread 135, the inner side wall of the decorative ring 12 is provided with a second thread 121 matched with the first thread 135, the heat dissipation hole 132 is located on the boss 131 and below the first thread 135, and the decorative ring 12 is connected with the housing 13 by matching the first thread 135 with the second thread 121. The bottom of the face cover 11 is provided with a pressing rod 114, and the adapter plate 2 is arranged between the boss 131 and the pressing rod 114. During installation, the adapter plate 2 can be placed on the boss 131, and the connection between the decorative ring 12 and the shell 13 is utilized to realize that the pressing rod 114 compresses the adapter plate 2. In other embodiments, the bezel 12 may also be secured to the housing 13 by snap fit, glue, or the like.

In this embodiment, the adapter plate 2 is provided with a limiting opening 23, the control circuit board 4 is provided with a limiting block 42, and the limiting block 42 is disposed in the limiting opening 23, so that the limits of the adapter plate 2 and the control circuit board 4 are realized, and the stability and compactness of the structure of the utility model are further improved.

The shell 13 is provided with an input electrode 134 which is matched with the socket of the vehicle-mounted cigar lighter to realize power input so as to be matched with an interface on the vehicle-mounted cigar lighter for use, and the novel access power supply is used for charging external equipment.

In one embodiment, the outer side wall of the decorative ring 12 is provided with an anti-slip pattern for facilitating the user's handling.

In one embodiment, the decorative ring 12 has a raised ring 122 disposed on the inner sidewall thereof; the face cover 11 is provided with a connecting rod 112, and the connecting rod 112 is provided with a first clamping block 113 matched with the raised ring 122 for use; or the pressing rod 114 is provided with a second clamping block matched with the raised ring 122, and the raised ring 122 is used for clamping the first clamping block 113 or the second clamping block to realize the installation and fixation of the face cover 11 and the decorative ring 12. In other embodiments, the decorative ring 12 may be further mounted and fixed to the decorative ring 12 by threads, glue, etc., which are not limited herein.

In one embodiment, there are two charging interfaces 21, and they are respectively located at two sides of the display 22. Specifically, the two charging interfaces 21 may be ase:Sub>A USB-ase:Sub>A interface, ase:Sub>A USB-C interface, etc., and the display 22 is ase:Sub>A nixie tube.

The above examples of the present utility model are merely illustrative of the present utility model and are not intended to limit the embodiments of the present utility model. And obvious variations or modifications which come within the spirit of the utility model are desired to be protected.

Claims

1. An in-vehicle charger having a heat dissipation function, comprising: the main body is used for being matched with the automobile cigar lighter jack, and the control circuit board, the adapter plate and the heat dissipation fan are arranged in the main body; the adapter plate is provided with a plurality of charging interfaces and a display for displaying frequency modulation frequency, current and voltage, and the adapter plate and the heat dissipation fan are electrically connected with the control circuit board;

2. The vehicle-mounted charger with heat dissipation function according to claim 1, wherein the main body comprises a housing and a housing cover arranged on the top of the housing, and the heat dissipation hole is formed in the top of the housing.

3. The vehicle-mounted charger with the heat dissipation function according to claim 2, wherein a position of the top surface of the shell cover corresponding to the charging interface is provided with a yielding hole, and a position of the top surface of the shell cover corresponding to the display is made of a light-transmitting material.

4. A vehicle-mounted charger with heat dissipation function according to claim 3, wherein the cover comprises a face cover and a decorative ring, and the decorative ring is sleeved on the outer side of the face cover.

5. The vehicle-mounted charger with the heat dissipation function according to claim 4, wherein a boss is arranged on the top of the shell in a surrounding mode, first threads are arranged on the outer side wall of the boss, second threads matched with the first threads are arranged on the inner side wall of the decorative ring, and the heat dissipation hole is located on the boss and located below the first threads;

6. The vehicle-mounted charger with the heat dissipation function according to claim 5, wherein an input electrode matched with a vehicle-mounted cigar lighter socket for realizing power input is arranged on the shell.

7. The vehicle-mounted charger with heat dissipation function according to claim 6, wherein the outer side wall of the decorative ring is provided with an anti-slip pattern.

8. The vehicle-mounted charger with heat dissipation function according to claim 7, wherein a raised ring is provided on an inner side wall of the decorative ring;

9. The vehicle-mounted charger with heat dissipation function according to claim 8, wherein the number of the charging interfaces is two, and the charging interfaces are respectively located at two sides of the display.

10. The vehicle charger of claim 9, wherein the display is a digital tube.