CN220234463U

CN220234463U - Power adapter with high-voltage conversion function

Info

Publication number: CN220234463U
Application number: CN202321001701.8U
Authority: CN
Inventors: 汤巧华
Original assignee: Shandong Sibitai Electronic Technology Co ltd
Current assignee: Shandong Sibitai Electronic Technology Co ltd
Priority date: 2023-04-28
Filing date: 2023-04-28
Publication date: 2023-12-22
Anticipated expiration: 2033-04-28

Abstract

The utility model relates to the technical field of power adapters and discloses a power adapter with a high-voltage conversion function, which comprises an adapter shell, a metal radiating fin and a circuit board, wherein a winding groove is formed in one circle of the surface of the adapter shell, a socket groove is formed in the top end of the adapter shell, a charging wire is arranged at the bottom end of the adapter shell, a cavity is formed in the metal radiating fin, and a radiating hole is formed in the upper surface of the metal radiating fin. The utility model has reasonable structure, protects the circuit board and the electronic element by arranging the metal radiating fin, plays a role in protection, is provided with the baffle plate on the rear surface of the metal radiating fin, can move up and down, is convenient for the circuit board and the electronic element to enter the cavity of the metal radiating fin, and can be matched with the dustproof net on the adapter shell for use together by the radiating holes arranged on the upper surface of the metal radiating fin, thereby achieving the functions of radiating heat and preventing dust.

Description

Power adapter with high-voltage conversion function

Technical Field

The utility model relates to the technical field of power adapters, in particular to a power adapter with a high-voltage conversion function.

Background

The power adapter is widely applied to the electronic field along with the development of electronic technology, is a power supply power conversion device of small portable electronic equipment and electronic appliances, is commonly used on small electronic products such as mobile phones, liquid crystal displays and notebook computers, is widely used in industrial automation control, military equipment, scientific research equipment, LED illumination, industrial control equipment, communication equipment, power equipment, instruments and meters, medical equipment, semiconductor refrigeration and heating, air purifiers, electronic refrigerators, liquid crystal displays, LED lamps and lanterns, communication equipment, audiovisual products, security, computer cases, digital products, instruments and the like, is widely used in the field of society, but the existing power adapter has the problems that internal electronic elements are damaged due to heating after being used for a period of time, and wiring is wound when a charging wire is not used

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the utility model provides the power adapter with the high-voltage conversion function, which solves the problems that the power adapter can generate heat after being used for a period of time, so that internal electronic elements are damaged, and the power adapter can be wound when a charging wire is not used.

(II) technical scheme

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a power adapter with high voltage conversion function, includes adapter shell, metal fin and circuit board, adapter shell's surface a week is provided with the wire winding recess, adapter shell top is provided with the socket recess, adapter shell bottom is provided with the charging wire, metal fin's inside is provided with the cavity, metal fin's upper surface is provided with the louvre, metal fin front surface's edge is provided with the charging wire connecting hole, metal fin's rear surface is provided with the baffle, circuit board surface's one end is provided with the pin, circuit board surface's the other end is provided with the charging wire socket, the left side of pin is provided with the rectifier bridge, the below of rectifier bridge is provided with PFC boost circuit, PFC boost circuit's right side is provided with filter capacitor, PFC boost circuit's below is provided with high-voltage electrolytic capacitor, high-voltage electrolytic capacitor below is provided with AFC framework.

Optionally, a dust screen is arranged above and below the winding groove, and the winding groove is provided with a wire clamping plate.

Optionally, a socket rotating shaft is arranged in the socket groove, and a socket is arranged on the surface of the socket rotating shaft.

Optionally, the cavity is engaged with the circuit board.

Optionally, the heat dissipation holes are aligned with the dust screen.

Alternatively, the partition may be movable up and down.

Optionally, the wire clamping plate is matched with the charging wire.

In summary, the utility model has the technical effects and advantages that:

1. the utility model has reasonable structure, protects the circuit board and the electronic element by arranging the metal radiating fin, plays a role in protection, is provided with the baffle plate on the rear surface of the metal radiating fin, can move up and down, is convenient for the circuit board and the electronic element to enter the cavity of the metal radiating fin, and can be matched with the dustproof net on the adapter shell for use together by the radiating holes arranged on the upper surface of the metal radiating fin, thereby achieving the functions of radiating heat and preventing dust.

2. According to the utility model, the winding groove is formed in the periphery of the surface of the adapter shell, when the charging wire is not used, the charging wire can be wound above the winding groove, and the wire clamping plate is arranged on the surface of the winding groove, so that the connection place of the charging wire and equipment can be clamped, and the charging wire is prevented from being scattered and wound together after winding.

3. According to the utility model, the socket groove is formed in the top end of the adapter shell, the socket can be placed in the socket groove through the socket rotating shaft, the socket groove can be pulled out during use, the safety of the socket can be ensured when the power adapter is not used, and the socket cannot be damaged due to external factors.

Drawings

FIG. 1 is a schematic view of a practical three-dimensional structure;

FIG. 2 is a schematic view of the practical three-dimensional structure;

FIG. 3 is a schematic view of the practical three-dimensional structure;

fig. 4 is a schematic diagram of the internal electronic component structure of the present utility model.

In the figure: 1. an adapter housing; 2. a winding groove; 3. a dust screen; 4. a wire clamping plate; 5. a socket; 6. a socket groove; 7. a socket rotating shaft; 8. a charging wire; 9. a heat radiation hole; 10. a metal heat sink; 11. a partition plate; 12. a charging wire connection hole; 13. a cavity; 14. a circuit board; 15. a charging wire jack; 16. pins; 17. a filter capacitor; 18. a PFC boost circuit; 19. high voltage electricity Jie Dianrong; 20. an AFC framework; 21. a rectifier bridge.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Examples: referring to fig. 1 to 4, a power adapter with high voltage conversion function includes an adapter housing 1, a metal heat sink 10 and a circuit board 14, a winding groove 2 is provided on a circumference of a surface of the adapter housing 1, a charging wire 8 of the existing power adapter is not designed to be placed when not in use, so that winding, knotting and other phenomena may occur, in order to solve the problem, the winding groove 2 is designed, the charging wire 8 can be wound above the adapter housing 1 through the winding groove 2 when not in use, so as to ensure that the charging wire is not knotted, winding, and a wire clamping plate 4 is also designed on the surface of the winding groove 2, the wire clamping plate 4 is engaged with a top end of the charging wire 8, so that the charging wire 8 can be fixed, so as to ensure that the charging wire 8 cannot slide down, in actual life, a socket 5 of the power adapter, can be damaged due to falling, the top end of the adapter housing 1 is provided with a socket groove 6, the inside of the socket groove 6 is provided with a socket rotating shaft 7, the surface of the socket rotating shaft 7 is provided with a socket 5, the socket groove can be pulled out when the adapter is not used, the safety of the socket can be ensured when the adapter is not used, the damage to the socket caused by external factors is avoided, the bottom end of the adapter housing 1 is provided with a charging wire 8, the inside of a metal radiating fin 10 is provided with a cavity 13, the upper surface of the metal radiating fin 10 is provided with a radiating hole 9, the edge of the front surface of the metal radiating fin 10 is provided with a charging wire connecting hole 12, the rear surface of the metal radiating fin 10 is provided with a baffle 11, the baffle 11 can move up and down to facilitate a circuit board 14 and electronic elements to enter the cavity 13 of the metal radiating fin 10, and the radiating hole 9 is arranged on the upper surface of the metal radiating fin 10, can be used together with the dust screen 3 on the adapter housing 1 to achieve the functions of heat dissipation and dust prevention.

In this embodiment, as shown in fig. 4, a pin 16 is disposed at one end of the surface of the circuit board 14, a charging wire socket 15 is disposed at the other end of the surface of the circuit board 14, a rectifier bridge 21 is disposed at the left side of the pin 16, a PFC boost circuit 18 is disposed below the rectifier bridge 21, a filter capacitor 17 is disposed at the right side of the PFC boost circuit 18, a high-voltage capacitor 19 is disposed below the PFC boost circuit 18, an AFC architecture 20 is disposed below the high-voltage capacitor 19, when a power adapter is used, the high-voltage current enters through the socket 5, the power adapter adopts a high-performance power architecture of PFC boost+acf topology, the high-voltage current enters from the pin 16, is firstly filtered by the filter capacitor 17, is rectified by the rectifier bridge 21, is boosted by the PFC boost circuit 18, enters into the high-voltage capacitor 19 for filtering again, is reduced by the ACF architecture 20, and finally, after synchronous rectification, the rectified current is output by a protocol chip control cable and is delivered into a device to be charged through a charging wire.

As an implementation manner in this embodiment, as shown in fig. 1 and 2, a dust screen 3 is disposed above and below the winding groove 2, the winding groove 2 is provided with a wire clamping plate 4, the wire clamping plate 4 is engaged with the charging wire 8, the cavity 13 is engaged with the circuit board 14, the dust screen 3 prevents dust from entering into the power adapter, the winding groove 2 is used for placing the charging wire 8, and the circuit board 14 is placed inside the cavity 13.

The working principle of the utility model is as follows: when the power adapter is used, firstly, the socket 5 is pulled out of the socket groove 6 through the socket rotating shaft 7, the socket 5 is inserted into the socket, high-voltage current in the socket enters the power adapter through the socket 5, flows through the filter capacitor 17, the rectifier bridge 21, the PFC boost circuit 18, the high-voltage capacitor 19 and the ACF framework 20 through the pins 16, and then the converted current is transmitted through an internal protocol chip to charge equipment through the charging wire 8.

The electrical components are all connected with an external main controller and 220V mains supply, and the main controller can be conventional known equipment for controlling a computer and the like.

Finally, it should be noted that: the foregoing description of the preferred embodiments of the present utility model is not intended to be limiting, but rather, it will be apparent to those skilled in the art that the foregoing description of the preferred embodiments of the present utility model can be modified or equivalents can be substituted for some of the features thereof, and any modification, equivalent substitution, improvement or the like that is within the spirit and principles of the present utility model should be included in the scope of the present utility model.

Claims

1. The utility model provides a power adapter with high voltage conversion function, includes adapter shell (1), metal fin (10) and circuit board (14), its characterized in that: the novel power supply is characterized in that a winding groove (2) is formed in the periphery of the surface of the adapter housing (1), a socket groove (6) is formed in the top end of the adapter housing (1), a charging wire (8) is arranged at the bottom end of the adapter housing (1), a cavity (13) is formed in the metal radiating fin (10), a radiating hole (9) is formed in the upper surface of the metal radiating fin (10), a charging wire connecting hole (12) is formed in the edge of the front surface of the metal radiating fin (10), a partition plate (11) is arranged on the rear surface of the metal radiating fin (10), a pin (16) is arranged at one end of the surface of the circuit board (14), a charging wire socket (15) is arranged at the other end of the surface of the circuit board (14), a rectifier bridge (21) is arranged on the left side of the pin (16), a PFC boost circuit (18) is arranged below the rectifier bridge (21), a filter capacitor (17) is arranged on the right side of the metal radiating fin (10), a high-voltage PFC boost circuit (19) is arranged below the PFC boost circuit (18), and an AFC (Jie Dianrong) is arranged below the high-voltage PFC circuit (20).

2. A power adapter with high voltage conversion function according to claim 1, characterized in that: the dustproof net (3) is arranged on the upper surface and the lower surface of the winding groove (2), and the winding groove (2) is provided with a wire clamping plate (4).

3. A power adapter with high voltage conversion function according to claim 1, characterized in that: the socket groove (6) is internally provided with a socket rotating shaft (7), and the surface of the socket rotating shaft (7) is provided with a socket (5).

4. A power adapter with high voltage conversion function according to claim 1, characterized in that: the cavity (13) is engaged with the circuit board (14).

5. A power adapter with high voltage conversion function according to claim 1, characterized in that: the heat dissipation holes (9) are aligned with the dust screen (3).

6. A power adapter with high voltage conversion function according to claim 1, characterized in that: the partition plate (11) can move up and down.

7. A power adapter with high voltage conversion function according to claim 2, characterized in that: the wire clamping plate (4) is matched with the charging wire (8).