CN217282296U - Charger structure - Google Patents

Abstract

The utility model discloses a charger structure, which comprises a shell, a circuit board assembly and an input pin; an accommodating space is formed in the shell, and the shell is also provided with a charging through hole communicated with the accommodating space; the circuit board assembly comprises an input circuit board, a charging circuit board and an output circuit board which are arranged in the accommodating space, the input circuit board, the charging circuit board and the output circuit board are respectively provided with an input circuit, a charging circuit and an output circuit, the input circuit board and the output circuit board are arranged on the front side of the charging circuit board and are perpendicular to the charging circuit board, and the output circuit is provided with an output interface which is arranged corresponding to the charging through hole; the input pin is fixed on the shell and connected with the input circuit board. The utility model discloses a circuit board assembly compact structure, small helps reducing the volume of charger.

Description

Charger structure

Technical Field

The utility model relates to a charger field especially indicates a charger structure.

Background

The charger generally refers to a device for converting alternating current into low-voltage direct current, and the charger is widely used in various fields, especially in the living field, and is widely used in electronic products such as mobile phones and cameras.

In order to meet the increasing charging demand of people, many manufacturers design many fast charging chargers, and the fast charging chargers have high charging power and can quickly fully charge the batteries of electronic products. However, in order to improve the charging power of the existing quick charger, the number of adopted electronic components is large, and the volumes of part of the electronic components are large, so that the existing quick charger is large in volume, inconvenient to carry and to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a small charger structure.

In order to achieve the above purpose, the solution of the present invention is:

a charger structure comprises a shell, a circuit board assembly and an input pin; an accommodating space is formed inside the shell, and the shell is also provided with a charging through hole communicated with the accommodating space; the circuit board assembly comprises an input circuit board, a charging circuit board and an output circuit board which are arranged in the accommodating space, wherein the input circuit board, the charging circuit board and the output circuit board are respectively provided with an input circuit, a charging circuit and an output circuit; the input pin is fixed on the shell and connected with the input circuit board.

The charger structure further comprises a heat dissipation cover; the heat dissipation cover is accommodated in the housing accommodating space and connected with the charging circuit board, and covers the charging circuit board and the output circuit board.

The charger structure further comprises a fixing bracket; the fixed support is connected with the charging circuit board and the heat dissipation cover, and the fixed support clamps the output circuit board.

The fixed support is made of insulating materials.

And the heat dissipation cover is provided with a capacitor explosion-proof hole corresponding to the electrolytic capacitor of the charging circuit board.

The charging circuit of the charging circuit board is provided with a transformer, and the magnetic core of the transformer is connected with the heat dissipation cover through heat-conducting glue.

The charger structure further comprises a heat radiating fin; the radiating fin is connected with the back of the charging circuit board through the insulating sheet.

The shell comprises a shell with an opening and a face cover matched with the opening; the input pin is fixed on the surface cover of the shell, and the charging through hole is formed in the shell.

The charging through hole is arranged on one side of the shell opposite to the face cover.

The input pin is connected with the input circuit board through a lead.

After the technical scheme is adopted, the utility model discloses a circuit board assembly includes input circuit board, charging circuit board and output circuit board, and input circuit board and output circuit board setting are positive and input circuit board and output circuit board and charging circuit board are mutually perpendicular at charging circuit board, like this the utility model discloses electronic components of circuit board assembly can be laid in the space of make full use of length direction, width direction and direction of height to can make circuit board assembly compact structure and effectively reduce the volume of circuit board assembly, thereby can effectively reduce the utility model discloses a volume of charger structure.

Drawings

Fig. 1 is an exploded view of the present invention;

FIG. 2 is a schematic structural view of the present invention;

fig. 3 is a schematic view of a partial structure of the present invention 1;

fig. 4 is a schematic view of a partial structure of the present invention 2;

fig. 5 is a schematic view of a partial structure of the present invention 3;

fig. 6 is a cross-sectional view of the present invention;

fig. 7 is a schematic circuit diagram of the present invention;

description of reference numerals:

the shell 1, the containing space 10,

the housing 11, the charging through-hole 111, the opening 112,

the surface cover 12 is arranged on the front surface of the body,

the circuit-board assembly 2 is provided with,

the input circuit board 21 is connected to the input circuit board,

the charging circuit board 22 is provided with a charging circuit,

an output circuit board 23 is provided on the outside,

an input circuit 211, a charging circuit 221, a transformer 2211, an electrolytic capacitor 2212, an output circuit 231, an output interface 2311,

the input pin (3) is provided with a pin,

the heat dissipation cover 4, the capacitor explosion-proof hole 41,

the fixing bracket (5) is fixed on the bracket,

and a wire 6.

Detailed Description

In order to further explain the technical solution of the present invention, the present invention is explained in detail by the specific embodiments below.

As shown in fig. 1 to 7, the present invention discloses a charger structure, which includes a housing 1, a circuit board assembly 2 and an input pin 3; an accommodating space 10 is formed inside the housing 1, and the housing 1 is further provided with a charging through hole 111 communicated with the accommodating space 10; the circuit board assembly 2 comprises an input circuit board 21, a charging circuit board 22 and an output circuit board 23 which are arranged in the accommodating space 10, the input circuit board 21, the charging circuit board 22 and the output circuit board 23 are respectively provided with an input circuit 211, a charging circuit 221 and an output circuit 231, the input circuit board 21 and the output circuit board 23 are arranged on the front surface of the charging circuit board 22, the input circuit board 21 and the output circuit board 23 are arranged perpendicular to the charging circuit board 22, and the output circuit 231 is provided with an output interface 2311 which is arranged corresponding to the charging through hole 111; the input pin 3 is fixed on the shell 1, the input pin 3 is connected with the input circuit board 21, the input pin 3 is used for inputting external alternating current into the circuit board assembly 2, and then the circuit board assembly 2 converts the alternating current into direct current required by charging of electronic products.

The utility model discloses in, circuit board assembly 2 includes input circuit board 21, charging circuit board 22 and output circuit board 23, and input circuit board 21 and output circuit board 23 set up at charging circuit board 22 openly and input circuit board 21 and output circuit board 23 mutually perpendicular with charging circuit board 22, like this the utility model discloses electronic components of circuit board assembly 2 are laid in the space that can make full use of length direction, width direction and direction of height to can make circuit board assembly 2 compact structure and effectively reduce circuit board assembly 2's volume, thereby can effectively reduce the utility model discloses a charger structure's volume.

As shown in fig. 1, fig. 3 and fig. 6, a charger structure of the present invention further includes a heat dissipation cover 4; heat exchanger 4 holding just is connected with charging circuit board 22 in 1 accommodation space 10 of shell, and charging circuit board 22 and output circuit board 23 are put to this heat exchanger 4 cover that dispels the heat, the utility model discloses a heat exchanger 4 will come the heat derivation of circuit board subassembly 2, improves the utility model discloses a radiating efficiency of charger structure. The charging circuit 22 of the charging circuit board 22 is provided with a transformer 2211, and the magnetic core of the transformer 2211 is connected with the heat dissipation cover 4 through heat-conducting glue, so that the heat of the transformer 2211 can be quickly transferred to the heat dissipation cover 4, and the heat dissipation effect is improved. The heat dissipation cover 4 may be provided with a capacitor explosion-proof hole 41 corresponding to the electrolytic capacitor 2212 of the charging circuit 221 of the charging circuit board 22 to provide the power for the electrolytic capacitor 2212 during explosion, and the heat dissipation cover 4 may be connected to the charging circuit board 22 by welding.

A charger configuration of the present invention may further include a heat sink (not shown); the fin passes through the back connection of insulating piece with charging circuit board 22, can make circuit board assembly 2's heat to effluvium all around fast through fin and heat exchanger 4 like this, has effectively improved the utility model discloses a charger structure's radiating effect.

As shown in fig. 1, 4 and 6, a charger structure of the present invention further includes a fixing bracket 5; fixed bolster 5 is connected with charging circuit board 22 and heat exchanger 4, and fixed bolster 5 blocks output circuit board 23, like this the utility model discloses a fixed bolster 5 can effectively fix output circuit board 23 for output circuit board 23 is difficult not hard up to drop when output interface 2311 of output circuit board 23 and outside charging wire plug. The fixing support 5 can be in plug-in fit with the charging circuit board 22 and the heat dissipation cover 4, so that the fixing support 5 is simply and conveniently connected with the charging circuit board 22 and the heat dissipation cover 4, and meanwhile, the fixing support 5 can play a role in positioning the heat dissipation cover 4; the fixing bracket 5 may be made of an insulating material, so that the fixing bracket 5 may function to increase a creepage distance between electronic components of the circuit board assembly 2.

As shown in fig. 1 and 6, the housing 1 includes a casing 11 having an opening 112 and a cover 12 fitted in the opening 112; the utility model discloses so be provided with help can be convenient for pack circuit board subassembly 2 into in the shell 1. The input pin 3 is fixed on the surface cover 12 of the shell 1, and the input pin 3 can be combined with the surface cover 12 in a plastic coating mode; the input pins 3 can facilitate the positioning of the input circuit board 21 through the wires 6 and the input circuit board 21, thereby contributing to the reduction in the volume of the circuit board assembly 2. The charging through hole 111 is disposed in the housing 11, and the charging through hole 111 may be disposed on a side of the housing 11 opposite to the face cover 12 to facilitate the output interface 2311 to align with the charging through hole 111.

The above embodiments and drawings are not intended to limit the form and style of the present invention, and any suitable changes or modifications made by those skilled in the art should not be construed as departing from the scope of the present invention.

Claims (10)

1. A charger structure, characterized by: comprises a shell, a circuit board component and an input pin;

an accommodating space is formed inside the shell, and the shell is also provided with a charging through hole communicated with the accommodating space;

the circuit board assembly comprises an input circuit board, a charging circuit board and an output circuit board which are arranged in the accommodating space, wherein the input circuit board, the charging circuit board and the output circuit board are respectively provided with an input circuit, a charging circuit and an output circuit;

the input pin is fixed on the shell and connected with the input circuit board.

2. A charger structure as claimed in claim 1, wherein: the heat dissipation cover is also included; the heat dissipation cover is accommodated in the housing accommodating space and connected with the charging circuit board, and covers the charging circuit board and the output circuit board.

3. A charger structure as claimed in claim 2, wherein: the device also comprises a fixed bracket; the fixed support is connected with the charging circuit board and the heat dissipation cover, and the fixed support clamps the output circuit board.

4. A charger structure as claimed in claim 3, wherein: the fixed support is made of insulating materials.

5. A charger structure as claimed in claim 2, wherein: and the heat dissipation cover is provided with a capacitor explosion-proof hole corresponding to the electrolytic capacitor of the charging circuit board.

6. A charger structure as claimed in claim 2, wherein: the charging circuit of the charging circuit board is provided with a transformer, and the magnetic core of the transformer is connected with the heat dissipation cover through heat-conducting glue.

7. A charger structure as claimed in claim 1 or 2, wherein: the heat dissipation plate also comprises a heat dissipation plate; the radiating fin is connected with the back of the charging circuit board through an insulating sheet.

8. A charger structure as claimed in claim 1, wherein: the shell comprises a shell with an opening and a face cover matched with the opening; the input pin is fixed on the surface cover of the shell, and the charging through hole is formed in the shell.

9. A charger structure as claimed in claim 8, wherein: the charging through hole is arranged on one side of the shell opposite to the face cover.

10. A charger structure as claimed in claim 1, wherein: the input pin is connected with the input circuit board through a wire.

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