CN219204157U - Ultra-small-volume quick-charging charger - Google Patents

Abstract

The utility model discloses an ultra-small-size quick-charging charger in the technical field of chargers, which comprises a charging electric appliance, wherein the charging electric appliance comprises a main board, an EMI small card is arranged in the center position above the top of the main board, an inductance small card is arranged on the outer wall of one side of the EMI small card, a PFC inductor is arranged below the inductance small card, a horizontal input electrolytic capacitor is arranged below the PFC inductor, a Mylar sheet is arranged on the outer wall of one side of the horizontal input electrolytic capacitor, the inductance small card is electrically connected with the main board, and the PFC inductor is electrically connected with the main board.

Description

Ultra-small-volume quick-charging charger

Technical Field

The utility model relates to the technical field of chargers, in particular to an ultra-small-size fast-charging charger.

Background

The charger is a device for converting alternating current into low-voltage direct current, and the charger has wide application in various fields. Electronic products carried by people in daily life are mobile phones, and along with the rapid development of a rapid charging technology, a charger is also updated into a rapid charging charger, and the charging speed is faster and faster. To meet the faster output, the volume occupied by the internal circuitry of the charger becomes larger, and thus the volume of the charger becomes larger. Along with the unchanged appearance volume of the mobile phone, the screen is increased, a plurality of users feel that the battery of the mobile phone is not enough, and the extension of the endurance time of the smart phone is neither: one is to increase the battery capacity of the mobile phone so as to store more electric quantity; another aspect is to shorten the charging time. The mobile phone manufacturers in China mostly select the latter, and the eyes are mainly directed to the charging power, and currently, the conventional quick charging charger has more elements, so that the design PCB is large in size, the internal space is not beneficial to saving, the charger is large and thick, the output power is small, the function is single, and the life quality of people is greatly reduced.

Disclosure of Invention

The utility model aims to provide an ultra-small-volume quick charging charger, which adopts a horizontal electrolytic capacitor and an ultra-high integrated chip to stack four small plates, so that the internal space is greatly saved, the whole small volume is realized, the PD3.1 quick charging is realized, everything can be charged quickly and conveniently, and the precious time of a user is saved, thereby solving the problems that the use and the small power are influenced due to the fact that the charger is large in volume and heavy in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an ultra-small volume quick charge charger, includes the charger, the charger includes the mainboard, the top central point of mainboard puts and is provided with the little card of EMI, the one side outer wall of the little card of EMI is provided with the little card of inductance, the below of the little card of inductance is provided with PFC inductance, the below of PFC inductance is provided with horizontal input electrolytic capacitor, be provided with the wheat pulling-on piece on the one side outer wall of horizontal input electrolytic capacitor.

Preferably, the small inductor card is electrically connected with the main board, and the PFC inductor is electrically connected with the main board.

Preferably, the Mylar is provided with a Type-C port, a PD small card, an output electrolytic capacitor and a rectifying small card in sequence from right to left.

Preferably, the Type-C port, the PD small card, the output electrolytic capacitor and the rectification small card are electrically connected with each other.

Preferably, a transformer is arranged on the outer wall of the other side of the EMI small card, and the transformer is electrically connected with the main board.

Compared with the prior art, the utility model has the beneficial effects that:

1. the horizontal electrolytic capacitor is adopted, the chip with ultra-high integration is adopted, and four small plates are stacked, so that the internal space is greatly saved, and the overall miniaturization is realized;

2. the PD3.1 is quickly charged, everything can be charged, the charging is quick and convenient, and precious time of a user is saved.

Drawings

Fig. 1 is a schematic diagram of the internal structure of a charger according to the present utility model;

FIG. 2 is an exploded view of the internal structure provided by the present utility model;

FIG. 3 is a schematic diagram of an overall logic framework provided by the present utility model;

FIG. 4 is a circuit diagram provided by the present utility model;

FIG. 5 is a circuit diagram provided by the present utility model;

fig. 6 is a circuit diagram provided by the present utility model.

In the figure: 1.a main board; 2. an EMI small card; 3. an inductance small card; 4. PFC inductance; 5. a horizontal input electrolytic capacitor; 6. mylar; 7. Type-C port; 8. PD small card; 9. outputting an electrolytic capacitor; 10. a rectifying small card; 11. a transformer.

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.

The utility model provides the following technical scheme: an ultra-small-size quick charging charger can effectively set up a small charger and boost power in the using process, please refer to fig. 1-6, the ultra-small-size quick charging charger comprises a charger, the charger comprises a main board 1, an EMI small card 2 is arranged at the center position above the top of the main board 1, the EMI small card 2 is electrically connected with the main board 1, an inductance small card 3 is arranged on the outer wall of one side of the EMI small card 2, the inductance small card 3 is electrically connected with the main board 1, a PFC inductor 4 is arranged below the inductance small card 3, the PFC inductor 4 is electrically connected with the main board 1, a horizontal input electrolytic capacitor 5 is arranged below the PFC inductor 4, a Mylar 6 is arranged on the outer wall of one side of the horizontal input electrolytic capacitor 5, and the Mylar 6 is set as B32671L;

the Mylar 6 is provided with a Type-C port 7, a PD small card 8, an output electrolytic capacitor 9 and a rectification small card 10 from right to left in sequence, the Type-C port 7, the PD small card 8, the output electrolytic capacitor 9 and the rectification small card 10 are electrically connected with each other through a uniform main board 1, the outer wall of the other side of the EMI small card 2 is provided with a transformer 11, and the transformer 11 is electrically connected with the main board 1.

Working principle: this patent has adopted the range upon range of design, mainly uses five PCB boards, a mainboard, four smalls, contains on the PCB mainboard 1: the input end reserves the position of the folding pin; the EMI small card 2 is used for placing an EMI device; the inductance small card 3 is used for placing an inductance and a CBB capacitance; the PD small card 8 is provided with a Type-C port 7 and related elements; the rectifying small card 10 is used for placing the elements of the rectifying part; the internal space is effectively utilized through reasonable layout, so that the whole volume of the charger is reduced;

the whole circuit is characterized in that:

the AC input is subjected to a rectification filter circuit to form direct-current voltage; the transformer main circuit realizes energy transmission through control and regulation with PWM; the output synchronous rectification circuit forms energy conversion, so that the conversion efficiency of the circuit is improved; the output filter circuit filters the energy transferred by the main circuit of the transformer, so that more stable output is obtained; the protocol IC is intelligently connected with the TYPE-C output port according to the charging equipment to realize power distribution, so that the required power output is realized, and the aim of rapid charging is fulfilled;

the three outputs of the Type-C port are respectively:

apple output: 5V/2.4A;

pd output: 5V/3A;9V/3A;15V/3A;20V/5A;28V/5A (PD 3.1 fast charge);

QC output: 5V/2.4A;9V/3A;12V/3A;20V/3A.

Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.

Claims (5)

1. An ultra-small volume quick charger, includes the charger, its characterized in that: the charger comprises a main board (1), an EMI small card (2) is arranged at the center position above the top of the main board (1), an inductance small card (3) is arranged on the outer wall of one side of the EMI small card (2), a PFC inductor (4) is arranged below the inductance small card (3), a horizontal input electrolytic capacitor (5) is arranged below the PFC inductor (4), and a Mylar (6) is arranged on the outer wall of one side of the horizontal input electrolytic capacitor (5).

2. An ultra-small volume fast charging charger according to claim 1, wherein: the small inductance card (3) is electrically connected with the main board (1), and the PFC inductance (4) is electrically connected with the main board (1).

3. An ultra-small volume fast charging charger according to claim 1, wherein: the Mylar (6) is provided with a Type-C port (7), a PD small card (8), an output electrolytic capacitor (9) and a rectification small card (10) in sequence from right to left.

4. An ultra-small volume fast charging charger according to claim 3, wherein: and the Type-C port (7), the PD small card (8), the output electrolytic capacitor (9) and the rectifying small card (10) are electrically connected with the uniform main board (1).

5. An ultra-small volume fast charging charger according to claim 1, wherein: the outer wall of the other side of the EMI small card (2) is provided with a transformer (11), and the transformer (11) is electrically connected with the main board (1).

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