Improved structure of charger

Abstract

The utility model discloses an improved structure of a charger, which adopts the technical scheme that a square mounting space is formed inside a shell, a first heat conducting plate and a PCB (Printed Circuit Board) auxiliary board with a plurality of USB (Universal Serial Bus) connectors are respectively inserted into a PCB main board with a power supply connector and a plurality of electronic elements, the first heat conducting plate is bent to form a plurality of side wall surfaces, and the USB connectors are arranged on the side wall surfaces of the first heat conducting plate. Compared with the prior art, the PCB main board, the PCB auxiliary board and the first heat conduction board are matched to form a hollow directional component and then are installed in the installation space, the overall structure is simple, the layout is reasonable, the internal structure is not crowded, heat is absorbed through the first heat conduction board to achieve heat dissipation, local temperature rise cannot be caused, and stable work of the charger is effectively guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of chargers, in particular to an improved charger structure. Background Art

[0002] With the development of electronic devices, the power of chargers (or power banks) has also increased. At the same time, by changing the circuit control of high-power chargers, the same charger can be used for different electronic devices, such as mobile phones, computers, etc. However, as the power of the charger increases, the size of the charger also increases, mainly due to the unreasonable layout of the electronic components inside the charger. The unreasonable layout can easily cause the charger to heat up locally, affecting the stable operation of the charger. Utility Model Content

[0003] The main purpose of the utility model is to provide an improved charger structure, aiming to solve the problems raised in the above background technology.

[0004] To achieve the above-mentioned purpose, the utility model proposes an improved charger structure, including a shell, a PCB main board with a power connector and a plurality of electronic components, a PCB sub-board with a plurality of USB connectors and a first heat-conducting plate, a square installation space is formed inside the shell, the PCB main board is arranged at the bottom of the installation space, the PCB sub-board is vertically inserted into the PCB main board and is spaced opposite to the front side of the shell, a first slot is provided at the front side wall of the shell corresponding to the position of the USB connector, the first heat-conducting plate is formed with a plurality of side wall surfaces by bending, the bottom of the first heat-conducting plate is plugged into the PCB main board, a second slot is provided at the rear side wall of the shell corresponding to the position of the power connector, and the PCB main board, the PCB sub-board and the first heat-conducting plate cooperate to form a hollow square component.

[0005] Preferably, a second heat conducting plate is further provided, the PCB main board is spaced apart from the bottom wall of the installation space, the second heat conducting plate is arranged between the bottom wall of the installation space and the PCB main board, and the second heat conducting plate is extended to form an extension portion which is plugged into the PCB main board and is used to conduct part of the heat of the PCB main board to the heat conducting plate.

[0006] Preferably, the first heat conducting plate and the second heat conducting plate are made of metal.

[0007] Preferably, a display element is further provided, the display element is plugged into and electrically connected to the PCB sub-board, and the display element is partially exposed on the top wall of the housing.

[0008] Preferably, it further comprises a transparent cover plate, wherein the transparent cover plate is fixed to a position above the housing corresponding to the display element.

[0009] Preferably, the transparent cover is fixed to the housing by screw locking, a snap-fit ​​structure or by gluing.

[0010] Preferably, a plurality of support pads are provided at annular intervals on the bottom wall of the shell.

[0011] Preferably, the PCB main board is provided with a plurality of sockets at intervals along its edge, and the positions of the PCB sub-board and the bottom of the first heat conducting plate corresponding to the sockets are formed with plug parts for plugging with the sockets, and the PCB sub-board and the first heat conducting plate are plugged into the PCB main board through the plug parts and the sockets.

[0012] The technical solution of the utility model forms a square installation space inside the shell, and the first heat conducting plate and the PCB sub-plate with several USB connectors are respectively inserted into the PCB main board with power connector and several electronic components, wherein the first heat conducting plate is formed with multiple side wall surfaces by bending, so that the PCB main board, the PCB sub-plate and the first heat conducting plate cooperate to form a hollow directional component which is then installed in the installation space. Compared with the traditional one, the utility model has a simple overall structure, a reasonable layout, and an uncrowded internal structure. Heat is dissipated by absorbing heat through the first heat conducting plate, and local temperature rise will not be caused, thereby effectively ensuring the stable operation of the charger. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional diagram of the utility model;

[0014] Figure 2 This is an exploded view of the utility model. DETAILED DESCRIPTION

[0015] The following will be combined with the accompanying drawings 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 of 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.

[0016] It should be noted that if the embodiments of the present invention involve directional indications (such as up, down, left, right, front, back, top, bottom, inside, outside, vertical, horizontal, longitudinal, counterclockwise, clockwise, circumferential, radial, axial...), then the directional indication is only used to explain the relative position relationship, movement status, etc. between the components in a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0017] In addition, if there are descriptions involving "first" or "second" etc. in the embodiments of the utility model, the descriptions of "first" or "second" etc. are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by the utility model.

[0018] The utility model provides an improved charger structure.

[0019] In the embodiment of the utility model, Figures 1 to 2 As shown, the improved charger structure includes a shell 1, a PCB main board 2 with a power connector 20 and a plurality of electronic components, a PCB sub-board 3 with a plurality of USB connectors 31, and a first heat-conducting plate 4. A square installation space is formed inside the shell 1. The PCB main board 2 is arranged at the bottom of the installation space. The PCB sub-board 3 is vertically inserted into the PCB main board 2 and is spaced opposite to the front side of the shell 1. A first slot 11 is provided at a position of the front side wall of the shell 1 corresponding to the USB connector 31. The first heat-conducting plate 4 is formed with a plurality of side wall surfaces by bending. The bottom of the first heat-conducting plate 4 is plugged into the PCB main board 2. A second slot is provided on the rear side wall of the shell 1 corresponding to the position of the power connector 20. The PCB main board 2, the PCB sub-board 3 and the first heat-conducting plate 4 cooperate to form a hollow square component.

[0020] The technical solution of the utility model forms a square installation space inside the shell, and the first heat conducting plate and the PCB sub-plate with several USB connectors are respectively inserted into the PCB main board with power connector and several electronic components, wherein the first heat conducting plate is formed with multiple side wall surfaces by bending, so that the PCB main board, the PCB sub-plate and the first heat conducting plate cooperate to form a hollow directional component which is then installed in the installation space. Compared with the traditional one, the utility model has a simple overall structure, a reasonable layout, and an uncrowded internal structure. Heat is dissipated by absorbing heat through the first heat conducting plate, and local temperature rise will not be caused, thereby effectively ensuring the stable operation of the charger.

[0021] Specifically, a second heat conducting plate 5 is further provided. The PCB main board 2 is spaced apart from the bottom wall of the installation space. The second heat conducting plate 5 is arranged between the bottom wall of the installation space and the PCB main board 2. The second heat conducting plate 5 is extended to form an extension portion 51 which is plugged into the PCB main board 2 and is used to conduct part of the heat of the PCB main board 2 to the heat conducting plate.

[0022] Specifically, the first heat conducting plate 4 and the second heat conducting plate 5 are made of metal.

[0023] Specifically, a display element 6 is also provided, and the display element 6 is plugged into and electrically connected to the PCB sub-board 3, and the display element 6 is partially exposed on the top wall of the shell 1. By observing the part of the display element 6 exposed on the top wall of the shell 1, the current, voltage and other values ​​of the charger can be obtained.

[0024] Specifically, it also includes a transparent cover plate 12 , and the transparent cover plate 12 is fixed to a position above the housing 1 corresponding to the display element 6 .

[0025] Specifically, the transparent cover plate 12 is fixed to the housing 1 by screw locking, a snap-fit ​​structure, or by gluing.

[0026] Specifically, a plurality of support pads 7 are provided at intervals in an annular shape on the bottom wall of the housing 1 .

[0027] Specifically, the PCB main board 2 is provided with a plurality of sockets 21 at intervals along its edge, and the positions of the sockets 21 corresponding to the bottoms of the PCB sub-board 3 and the first heat conducting plate 4 are formed with plug parts 100 for plugging with the sockets 21. The PCB sub-board 3 and the first heat conducting plate 4 are plugged into the PCB main board 2 through the plug parts 100 and the sockets 21.

[0028] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. An improved charger structure, characterized in that: The invention comprises a housing (1), a PCB main board (2) having a power connector (20) and a plurality of electronic components, a PCB sub-board (3) having a plurality of USB connectors (31), and a first heat conducting plate (4); a square installation space is formed inside the housing (1); the PCB main board (2) is arranged at the bottom of the installation space; the PCB sub-board (3) is vertically inserted into the PCB main board (2) and is spaced apart from the front side of the housing (1); a first slot (11) is provided at a position of the USB connector (31) on the front side wall of the housing (1); the first heat conducting plate (4) is formed with a plurality of side wall surfaces by bending; the bottom of the first heat conducting plate (4) is plugged into the PCB main board (2); a second slot is provided at a position of the power connector (20) on the rear side wall of the housing (1); the PCB main board (2), the PCB sub-board (3) and the first heat conducting plate (4) cooperate to form a hollow square component.

2. The improved charger structure according to claim 1, characterized in that: A second heat conducting plate (5) is also provided, the PCB main board (2) is spaced apart from the bottom wall of the installation space, the second heat conducting plate (5) is provided between the bottom wall of the installation space and the PCB main board (2), and the second heat conducting plate (5) is extended to form an extension portion (51) plugged into the PCB main board (2) and used to conduct part of the heat of the PCB main board (2) to the heat conducting plate.

3. The improved charger structure according to claim 2, characterized in that: The first heat conducting plate (4) and the second heat conducting plate (5) are made of metal.

4. The improved charger structure according to claim 1, characterized in that: A display element (6) is also provided, the display element (6) is plugged into and electrically connected to the PCB sub-board (3), and a portion of the display element (6) is exposed on the top wall of the housing (1).

5. The improved charger structure as claimed in claim 4, characterized in that: It also comprises a transparent cover plate (12), wherein the transparent cover plate (12) is fixed to a position above the housing (1) corresponding to the display element (6).

6. The improved charger structure according to claim 5, characterized in that: The transparent cover plate (12) is fixed to the housing (1) by means of screw locking, a snap-fit ​​structure, or glue bonding.

7. The improved charger structure according to claim 1, characterized in that: The bottom wall of the shell (1) is provided with a plurality of support pads (7) at intervals in an annular shape.

8. The improved charger structure according to claim 1, characterized in that: The PCB main board (2) is provided with a plurality of insertion holes (21) at intervals along its edge; the bottoms of the PCB sub-board (3) and the first heat conducting plate (4) are formed with insertion parts (100) for plugging into the insertion holes (21) at positions corresponding to the insertion holes (21); the PCB sub-board (3) and the first heat conducting plate (4) are plugged into the PCB main board (2) through the insertion parts (100) in cooperation with the insertion holes (21).

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