CN205283199U - A three-in-one removable charging device with a built-in lithium battery with a hidden plug - Google Patents

Abstract

The utility model discloses a three-in-one portable charging device with a hidden plug and a built-in lithium battery, comprising an upper cover, a lower cover, an AC charging head, a car charging head, a lithium battery, a machine board and a gear controller; the lower cover is provided with a lithium battery card slot and a machine board card slot, and the lithium battery and the machine board are respectively arranged in the lithium battery card slot and the machine board card slot; the machine board is also provided with an LED bulb and a charging interface, and the upper cover and the lower cover are both provided with card slots matching the LED bulb and the charging interface; the AC charging head comprises a pin upper cover, a pin lower cover and a European standard pin, and the European standard pin is arranged in a cavity formed by the pin upper cover and the pin lower cover; the portable charging device with a three-in-one hidden plug and a built-in lithium battery adopts a flyback switch as a switching power supply, the voltage in the circuit is stable, and in addition, when the AC is directly charged externally, it can also intelligently identify that the built-in lithium battery is charged after being fully charged; it has strong practicality and is easy to promote and use.

Description

A three-in-one removable charging device with a built-in lithium battery with a hidden plug

technical field

The utility model relates to the technical field of application of mobile charging equipment, in particular to a mobile charging equipment with a built-in lithium battery with a three-in-one hidden plug.

Background technique

Smartphones around me often run out of power, and mobile power supplies are everywhere. Users often need to prepare several power supplies to deal with smart terminals that are used more and more frequently. It is very troublesome to prepare a car charger and a portable charger when going out; in the existing mobile charging equipment, there is a lack of a product that combines the three, so that it can be used in any environment Charging Guaranteed.

Utility model content

The existing technology is difficult to meet people's needs. In order to solve the above-mentioned problems, the utility model proposes a three-in-one movable charging device with a built-in lithium battery with a hidden plug. It uses a flyback switch as a switching power supply, and the output 5V/3A, the voltage in the line is stable, and there are relatively few peripheral components; in addition, when the AC is directly charged externally, it can also intelligently identify and charge the built-in lithium battery after it is fully charged, which is very convenient to use.

In order to achieve this technical purpose, the technical solution adopted by the utility model is: a three-in-one movable charging device with a built-in lithium battery with a hidden plug, including an upper cover, a lower cover, an AC charging head, a car charging head, a lithium battery, Machine board and gear controller; the lower cover is provided with a lithium battery card slot and a machine board card slot, and the lithium battery and the machine board are respectively stuck in the lithium battery card slot and the machine board card slot; the machine board There are also LED light bulbs and charging interfaces on the top, and the sides of the upper cover and the lower cover are provided with card slots that match the LED light bulbs and charging interfaces; the AC charging head includes an upper pin cover, a lower pin cover and a European standard pin. And the European-standard pins are arranged in the cavity formed by the upper cover of the pins and the lower cover of the pins; the gear position controller includes buttons, button springs and button covers, and the pillars on the buttons pass through the button springs and correspond to the buttons on the button cover. hole connection; the AC charging head is fixed between the upper cover and the lower cover through the button cover; the car charging head includes the car charging upper cover, the car charging lower cover, shrapnel, spring, copper head and rubber pad; the car charging head The lower cover of the charger, the upper cover of the car charger and the rubber pad pass through the pillars arranged on the lower cover in turn, and the shrapnel, spring and copper head are sequentially arranged in the cavity formed by the upper cover of the car charger and the lower cover of the car charger; the AC The charging head, the car charging head, the machine board and the storage battery are all connected by wires.

Further, there are four LED bulbs, and the LED bulbs are also provided with matching lampshades.

Further, a rocking switch is also arranged on the board, and the rocking switch is connected to the LED light bulb through wires.

Further, the charging interface is a USB interface, and there are two charging interfaces.

Further, both the AC charging head and the car charging head adopt the recycling design of the Swiss Army Knife.

Further, the lithium battery is a rechargeable lithium battery.

Compared with the prior art, the utility model has the following beneficial effects: the three-in-one movable charging device with a built-in lithium battery with a hidden plug adopts a flyback switch as a switching power supply, and outputs 5V/3A, the voltage in the line Stable, with fewer peripheral components; in addition, when the AC is directly charged externally, it can also intelligently identify and charge the built-in lithium battery after it is fully charged, which is very convenient to use; when the product is used as a mobile power supply, it can boost the voltage by controlling the charge and discharge of the built-in lithium battery , protect the circuit to charge the peripherals; in addition, in the car, you can also use the car charger to charge the device and the built-in battery; the product has a built-in shaking switch, and after shaking the product, you can know the power of the built-in battery from the 4 lit LEDs ; Simple operation, strong practicability, easy to popularize and use.

Description of drawings

Fig. 1 is the overall structural representation of the utility model;

Fig. 2 is the schematic circuit diagram of the utility model.

Among the reference signs: 1-upper cover, 2-lower cover, 3-AC charging head, 4-car charging head, 5-lithium battery, 6-machine board, 7-gear controller, 31-pin upper cover, 32-pin lower cover, 33-European pin, 41-car charger cover, 42-car charger cover, 43-shrapnel, 44-spring, 45-copper head, 46-rubber pad, 61-LED bulb, 62 -charging interface, 71-button, 72-button spring, 73-button cover, 611-lampshade.

detailed description

The technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. example. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

Please refer to the accompanying drawing 1 of the specification, in the embodiment of the utility model, a three-in-one movable charging device with a built-in lithium battery with a hidden plug, including an upper cover 1, a lower cover 2, an AC charging head 3, and a car charging head 4 , lithium battery 5, machine board 6 and gear position controller 7; Described lower cover 2 is provided with lithium battery draw-in slot and machine board draw-in slot, and lithium battery 5, machine board 6 are respectively stuck in lithium battery draw-in slot and machine board draw-in slot In the card slot of the machine board; the said machine board 6 is also provided with an LED bulb 61 and a charging interface 62, and the sides of the upper cover 1 and the lower cover 2 are provided with card slots matching the LED bulb 61 and the charging interface 62; The AC charging head 3 includes a pin upper cover 31, a pin lower cover 32 and a European standard pin 33, and the European standard pin 33 is arranged in the cavity formed by the pin upper cover 31 and the pin lower cover 32; the gear position controller 7 It includes a button 71, a button spring 72 and a button cover 73, and the pillar on the button 71 passes through the button spring 72 to connect with the corresponding hole on the button cover 73; the AC charging head 3 is fixed on the upper cover 1 and the button cover 73 through the button cover 73 Between the lower cover 2; the car charger head 4 includes a car charger upper cover 41, a car charger lower cover 42, a shrapnel 43, a spring 44, a copper head 45 and a rubber pad 46; the car charger lower cover 42, the car charger upper cover The cover 41 and the rubber pad 46 pass through the pillars arranged on the lower cover 2 in turn, and the shrapnel 43, the spring 44 and the copper head 45 are sequentially arranged in the cavity formed by the upper cover 41 of the car charger and the lower cover 42 of the car charger; The AC charging head 3, the car charging head 4, the machine board 6 and the battery 5 are all connected by wires; the LED bulbs 61 are provided with 4 pieces, and the LED bulbs 61 are also provided with a lampshade 611 matched therewith; The board 6 is also provided with a rocking switch, and the rocking switch is connected to the LED bulb 61 by wires; the charging interface 62 is a USB interface, and there are two charging interfaces 62; the AC charging head 3 and the car charging head 4 All adopt the recycled design of the Swiss Army Knife; the lithium battery 5 is a rechargeable lithium battery. Machine board 6 is a circuit board.

Refer to Figure 2: when the AC is directly charged externally, it can also intelligently identify and charge the built-in lithium battery V5 after it is fully charged. When the product is used as a mobile power supply, it charges the peripherals by controlling the charge and discharge of the built-in lithium battery V5, boosting the voltage, and protecting the circuit. The MCU intelligently recognizes the working status of the product; in addition, in the car, the car charger can also be used to charge the device and the built-in lithium battery V5. There is a shaking switch inside the product, and the power of the built-in battery can be known from the 4 lit LEDs after shaking the product. Description of working principle: When AC is input for external charging, U1/T1 is the core switching power supply outputting 5V, which supplies USB1/USB2 output power through Q3. When the external charging is working, Q5 is in the OFF state, and after the external charging is completed, Q5 is in the ON state. Charge the built-in lithium battery; when the car charger is input to the external charge, U5/L2 is the core PWM circuit that outputs 5V stably, and supplies USB1/USB2 output power through Q3. When the external charge is working, Q5 is in the OFF state. After the external charge is completed, Q5 is in the In the ON state, the built-in lithium battery is charged; when the built-in lithium battery is externally charged, the MCU outputs a PWM signal through Q6/L1 to boost and output a stable 5V, and through Q3 to supply USB1/USB2 output power.

The above are only preferred embodiments of the present utility model, and are not intended to limit the present utility model. Any minor modifications, equivalent replacements and improvements made to the above embodiments according to the technical essence of the present utility model shall be included in the Within the scope of protection of the technical solution of the utility model.

Claims (5)

1. the three-in-one mobile charging equipment hiding plug built-in lithium battery, fills head (4), lithium battery (5), machine plate (6) and gear controller (7) including upper cover (1), lower cover (2), AC charging head (3), car; It is characterized in that: described lower cover (2) is provided with lithium battery draw-in groove and machine board groove, and lithium battery (5), machine plate (6) are fastened in lithium battery draw-in groove and machine board groove respectively; Described machine plate (6) is additionally provided with LED bulb (61) and charging inlet (62), and upper cover (1) and lower cover (2) side all offer the draw-in groove matched with LED bulb (61) and charging inlet (62); Described AC charging head (3) includes pin upper cover (31), pin lower cover (32) and Europe rule pin (33), and Europe rule pin (33) is arranged in the cavity that pin upper cover (31) and pin lower cover (32) are formed; Described gear controller (7) includes button (71), by key spring (72) and button lid (73), and the pillar on button (71) is through by the upper corresponding hole connection of key spring (72) and button lid (73); Described AC charging head (3) is fixed between upper cover (1) and lower cover (2) by button lid (73); Described car fill head (4) include that lid (41) filled with by car, car fills lower cover (42), shell fragment (43), spring (44), copperhead (45) and rubber blanket (46); Described car fills lower cover (42), lid (41) filled with by car and rubber blanket (46) sequentially passes through on the pillar being arranged on lower cover (2), and shell fragment (43), spring (44) and copperhead (45) are set in turn in car and fill lid (41) and car with and fill in the cavity that lower cover (42) is formed; Described AC charging head (3), car are filled and are connected each through wire between head (4) and machine plate (6) with accumulator (5).

2. a kind of three-in-one mobile charging equipment hiding plug built-in lithium battery according to claim 1, it is characterized in that: described LED bulb (61) is provided with 4, and LED bulb (61) is additionally provided with matched lampshade (611).

3. a kind of three-in-one mobile charging equipment hiding plug built-in lithium battery according to claim 1, it is characterized in that: described machine plate (6) is additionally provided with Shaking switch, and Shaking switch is connected by wire with LED bulb (61).

4. a kind of three-in-one mobile charging equipment hiding plug built-in lithium battery according to claim 1, is characterized in that: described charging inlet (62) is USB interface, and charging inlet (62) is provided with 2.

5. a kind of three-in-one mobile charging equipment hiding plug built-in lithium battery according to claim 1, is characterized in that: described lithium battery (5) adopts rechargeable type lithium battery.