Power adapter with leakage protection function

Abstract

The utility model relates to the technical field of power adapters, and discloses a power adapter with a leakage protection function, which comprises a shell, a circuit board is fixedly connected to the middle of the inner wall of the shell, a connecting plate is fixedly connected to the top of the circuit board, and three fixing frames are fixedly connected to the top of the connecting plate. A plurality of clamping grooves are formed in the tops of the fixing frames, a top cover is arranged at the top of the shell, a fixing block is fixedly connected to the front side of the top cover, a limiting block penetrates through and is rotationally connected to the middle of the fixing block, a fixing buckle is fixedly connected to the top of the front side of the shell, and three hinges are fixedly connected to the top of the rear side of the shell; and the hinge is fixedly connected with the top cover. According to the portable power adapter, the limiting block is opened through the fixing buckle, so that the top cover is opened, then the input wire and the output wire are placed in the clamping grooves in the fixing frame to be fixed, and therefore the cable can be conveniently stored, and the power adapter can be conveniently carried.

Description

Technical Field

[0001] The utility model relates to the technical field of power adapters, in particular to a power adapter with a leakage protection function. Background Art

[0002] The power adapter is a power supply conversion device for electronic equipment and electronic appliances. It is generally composed of components such as housing, transformer, inductor, capacitor, control IC, PCB board, etc. Its working principle is to convert AC input into DC output. It can be divided into wall-mounted and desktop types according to the connection method. It is widely used in security cameras, set-top boxes, routers, light strips, massagers and other equipment.

[0003] After searching, the existing Chinese patent announcement number is: CN209896921U, which provides a power adapter with a leakage protection function. The patent can prevent the power adapter from leaking during use by setting a leakage protector, which may cause the user to be electric shocked. Electric shock is one of the biggest hazards during the use of current electricity. The omen of the accident is not intuitive and obvious, and the hazard of the accident is very large. When charging through the device, the method of use is the same as that of an ordinary power adapter. Once leakage occurs, the user touches the leakage protection device of the power adapter, which automatically trips and disconnects the power supply to prevent leakage from endangering personal safety.

[0004] Although the above patent can automatically trip and disconnect the power supply to prevent leakage from endangering personal safety, the above power adapter with leakage protection function still has the following problems: the device cannot store the cable after use, making the power adapter inconvenient to carry and use.

[0005] In view of the above problems, a power adapter with leakage protection function is proposed. Utility Model Content

[0006] The utility model aims to provide a power adapter with a leakage protection function, which solves the problem in the background art that the cable cannot be stored after use, resulting in the power adapter being inconvenient to carry and use.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a power adapter with leakage protection function, comprising a shell, a circuit board is fixedly connected in the middle of the inner wall of the shell, a connecting plate is fixedly connected to the top of the circuit board, three fixing frames are fixedly connected to the top of the connecting plate, and a plurality of slots are provided on the top of the fixing frames, a top cover is arranged on the top of the shell, a fixing block is fixedly connected to the front side of the top cover, a limiting block is penetrated in the middle of the fixing block and rotatably connected, a fixing buckle is fixedly connected to the top of the front side of the shell, three hinges are fixedly connected to the top of the rear side of the shell, and the hinges are fixedly connected to the top cover, and a heat dissipation structure is arranged at the bottom of the circuit board;

[0008] By adopting the above technical solution, the top cover is fixed by fixing the buckle and the limit block, and the input line and the output line are fixed in the card slot inside the fixing frame, so that the cables can be stored conveniently and the power adapter is easy to carry.

[0009] As a further description of the above technical solution: the heat dissipation structure includes a heat conducting plate, the heat conducting plate is fixedly connected to the circuit board, the left and right sides of the bottom of the heat conducting plate are fixedly connected to heat dissipation fans, and the bottom of the shell is fixedly connected to a heat dissipation plate;

[0010] By adopting the above technical solution, the heat generated by the circuit board is conducted away through the heat conducting plate, and the heat is conducted away from the housing through the heat dissipating plate in cooperation with the heat dissipating fan, thereby preventing the electronic components from being damaged due to overheating.

[0011] As a further description of the above technical solution: the bottom of the heat dissipation plate is provided with uniformly dense holes;

[0012] By adopting the above technical solution, heat is discharged through the holes at the bottom of the heat sink, thereby cooling the electronic components.

[0013] As a further description of the above technical solution: an input block is fixedly connected to the left side of the circuit board, and an input line is passed through and arranged on the left side of the input block;

[0014] By adopting the above technical solution, the current is transmitted by connecting with the input block through the input line.

[0015] As a further description of the above technical solution: the other end of the input line is fixedly connected to an input plug;

[0016] By adopting the above technical solution, electric current can be transmitted by inserting the plug into the socket strip.

[0017] As a further description of the above technical solution: a leakage protection switch is provided on the outer ring of the input line;

[0018] By adopting the above technical solution, the power adapter is protected by the leakage protection switch, thereby preventing leakage from endangering personal safety.

[0019] As a further description of the above technical solution: an output block is fixedly connected to the right side of the top of the circuit board, and an output line is arranged on the right side of the output block;

[0020] By adopting the above technical solution, the output line is connected to the output block, so as to output the current of the power adapter.

[0021] As a further description of the above technical solution: the other end of the output line is fixedly connected with an output plug.

[0022] By adopting the above technical solution, the current is transmitted through the output plug.

[0023] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0024] 1. The utility model provides a power adapter with leakage protection function. First, the limit block is opened by fixing the buckle to open the top cover, and then the input line and the output line are placed in the card slot inside the fixing frame for fixing, so as to facilitate the storage of the cables and the carrying of the power adapter.

[0025] 2. The utility model provides a power adapter with leakage protection function, which conducts the heat generated by the circuit board through the heat conduction plate, and cooperates with the heat dissipation fan to conduct the heat out of the shell through the heat dissipation plate, thereby preventing the electronic components from being damaged due to overheating. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0027] Figure 2 This is a schematic diagram of the fixing frame structure of the utility model;

[0028] Figure 3 It is a schematic diagram of the internal structure of the shell of the utility model.

[0029] In the figure: 1. Shell; 2. Top cover; 3. Heat sink; 4. Input line; 5. Input plug; 6. Output line; 7. Output plug; 8. Fixing block; 9. Limiting block; 10. Hinge; 11. Fixing buckle; 12. Fixing frame; 13. Slot; 14. Circuit board; 15. Connecting plate; 16. Heat conducting plate; 17. Cooling fan; 18. Hole; 19. Input block; 20. Output block; 21. Leakage protection switch. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] In order to further understand the content of the utility model, the utility model is described in detail in conjunction with the accompanying drawings.

[0032] Combination Figure 1 The utility model provides a power adapter with leakage protection function, comprising a shell 1, a circuit board 14 is fixedly connected to the middle of the inner wall of the shell 1, an input block 19 is fixedly connected to the left side of the circuit board 14, an input line 4 is passed through and arranged on the left side of the input block 19, an input plug 5 is fixedly connected to the other end of the input line 4, a leakage protection switch 21 is arranged on the outer ring of the input line 4, an output block 20 is fixedly connected to the right side of the top of the circuit board 14, an output line 6 is arranged on the right side of the output block 20, and an output plug 7 is fixedly connected to the other end of the output line 6. By inserting the input plug 5 into the socket strip, current is input through the input line 4, and the power adapter is protected from leakage through the leakage protection switch 21. The current is converted by the power adapter and output through the output plug 7.

[0033] Combination Figure 2 A connecting plate 15 is fixedly connected to the top of the circuit board 14, and three fixing frames 12 are fixedly connected to the top of the connecting plate 15. A plurality of slots 13 are provided on the top of the fixing frames 12. A top cover 2 is provided on the top of the shell 1, and a fixing block 8 is fixedly connected to the front side of the top cover 2. The fixing block 8 passes through and is rotatably connected to a limiting block 9. A fixing buckle 11 is fixedly connected to the top of the front side of the shell 1, and three hinges 10 are fixedly connected to the top of the rear side of the shell 1, and the hinge 10 is fixedly connected to the top cover 2. The limiting block 9 is opened by the fixing buckle 11, so as to open the top cover 2, and then the input line 4 and the output line 6 are placed in the slot 13 inside the fixing frame 12 for fixing, and then the top cover 2 is closed, so as to facilitate the storage of the cables and the carrying of the power adapter.

[0034] Combination Figure 3 A heat dissipation structure is provided at the bottom of the circuit board 14, and the heat dissipation structure includes a heat conducting plate 16, which is fixedly connected to the circuit board 14, and heat dissipation fans 17 are fixedly connected to the left and right sides of the bottom of the heat conducting plate 16. A heat dissipation plate 3 is fixedly connected to the bottom of the shell 1, and holes 18 are evenly distributed at the bottom of the heat dissipation plate 3. The heat generated by the circuit board 14 is conducted out through the heat conducting plate 16, and the heat dissipation fan 17 is used to conduct the heat out of the shell 1 through the heat dissipation plate 3, thereby preventing the electronic components from being damaged due to overheating.

[0035] Working principle: When the utility model is in use, the input plug 5 is inserted into the socket strip, the current is input through the input line 4, the power adapter is protected from leakage through the leakage protection switch 21, and the current is converted by the power adapter and output through the output plug 7. The power adapter will generate heat during use, and the heat generated by the circuit board 14 is conducted out through the heat conduction plate 16, and the heat is conducted out of the housing 1 through the heat sink 3 in conjunction with the heat dissipation fan 17, so as to avoid damage to the electronic components due to overheating. After use, the limit block 9 is opened through the fixing buckle 11, so as to open the top cover 2, and then the input line 4 and the output line 6 are placed in the card slot 13 inside the fixing frame 12 for fixing, and then the top cover 2 is closed, so as to facilitate the storage of the cables and the carrying of the power adapter.

[0036] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A power adapter with leakage protection function, comprising a housing (1), characterized in that: A circuit board (14) is fixedly connected to the middle of the inner wall of the shell (1), a connecting plate (15) is fixedly connected to the top of the circuit board (14), three fixing frames (12) are fixedly connected to the top of the connecting plate (15), and a plurality of slots (13) are provided on the top of each of the fixing frames (12). A top cover (2) is provided on the top of the shell (1), a fixing block (8) is fixedly connected to the front side of the top cover (2), and a limiting block (9) is passed through and rotatably connected to the middle of the fixing block (8), a fixing buckle (11) is fixedly connected to the top of the front side of the shell (1), and three hinges (10) are fixedly connected to the top of the rear side of the shell (1), and the hinges (10) are fixedly connected to the top cover (2), and a heat dissipation structure is provided at the bottom of the circuit board (14).

2. The power adapter with leakage protection function according to claim 1, characterized in that: The heat dissipation structure comprises a heat conducting plate (16), the heat conducting plate (16) is fixedly connected to the circuit board (14), the left and right sides of the bottom of the heat conducting plate (16) are fixedly connected to heat dissipation fans (17), and the bottom of the housing (1) is fixedly connected to a heat dissipation plate (3).

3. The power adapter with leakage protection function according to claim 2, characterized in that: The bottom of the heat dissipation plate (3) is provided with uniformly densely distributed holes (18).

4. The power adapter with leakage protection function according to claim 1, characterized in that: An input block (19) is fixedly connected to the left side of the circuit board (14), and an input line (4) is passed through and arranged on the left side of the input block (19).

5. The power adapter with leakage protection function according to claim 4, characterized in that: The other end of the input line (4) is fixedly connected to an input plug (5).

6. The power adapter with leakage protection function according to claim 4, characterized in that: A leakage protection switch (21) is arranged on the outer ring of the input line (4).

7. The power adapter with leakage protection function according to claim 1, characterized in that: An output block (20) is fixedly connected to the right side of the top of the circuit board (14), and an output line (6) is arranged on the right side of the output block (20).

8. The power adapter with leakage protection function according to claim 7, characterized in that: The other end of the output line (6) is fixedly connected to an output plug (7).

Images