WO2017113436A1 - Portable multifunctional mobile power supply - Google Patents

Abstract

A portable multifunctional mobile power supply is ultrathin and has a small size, and thus is highly portable. The portable multifunctional mobile power supply is provided with a micro 5-pin output cable and an Apple 8-pin output cable, such that the mobile power supply can charge multiple mobile phones or both a mobile phone and a tablet computer at the same time, and does not need additional accessories. Moreover, the mobile power supply can itself be charged by either an AC or a DC, thereby having two charging options. The mobile power supply comprises a bottom shell (7) and a top shell (1). An output plug (2, 6), an input plug (5), an AC/DC conversion circuit board (8), a battery (9), and a DC control circuit board (10) are sequentially arranged inside the bottom shell (7). At least one side of the bottom shell (7) is provided with a DC output cable. One end of the DC output cable is connected to the DC control circuit board (10), and the other end of the DC output cable is the output plug (2, 6). When not being in use, the output plug (2, 6) can be inserted into an output plug compartment (21). When an alternating current (100 V to 240 V) is not available, the micro 5-pin output cable can be used to connect to a DC input port (26) to charge the mobile power supply. Further, the micro 5-pin output cable can be adapted to connect to the Apple 8-pin output cable, thereby enabling a user to respond to an urgent situation and to use the cables in combination.

Description

Portable multi-function mobile power  Technical field

 The utility model relates to a mobile power source, in particular to an ultra-thin portable power source with a charger and a charging output line.

Background technique

At present, in people's daily life, most of the mobile power is composed of three major components: the outer casing, the battery and the booster. These mobile power supplies must be supplemented with AC-DC5.0V function charger input power when charging, and the output line must be inserted separately, resulting in cumbersome use. If there is no charger or output cable at hand, the user will not be able to use the mobile power. At present, the mobile power supply on the market still has defects of large thickness and large volume, and requires an additional charger and an output line, which is inconvenient to carry out.

Utility model content

The utility model is to solve the problem that the existing mobile power source needs to be equipped with an external charger and an output line, and has many accessories and a large body and a large volume. The utility model provides an AC charging function, a microphone 5 pin output line and an Apple 8 pin output line. Thin portable mobile power.

In order to solve the above technical problem, the technical solution proposed by the present invention is to design a portable multi-function mobile power source, which comprises a bottom case and a face shell, which are sequentially disposed from one end to the other end in the bottom case: an output plug for placing an output plug a warehouse, an input plug compartment for placing a telescopic two-prong plug, an AC conversion bin for placing an AC conversion circuit board, a battery compartment for placing a battery, a DC conversion bin for placing a DC control circuit board, and a bottom case at least One side is provided with a DC output line, one end of which is connected to the DC control circuit board and the other end is an output plug, and the output plug can be inserted into the output plug compartment when idle; the telescopic two-pin plug can be connected to the AC (100V-240V) for supplying AC power to the AC-DC conversion circuit board; the AC-DC conversion circuit board converts the AC power into DC power and supplies DC power to the DC control circuit board; the DC control circuit board connects the battery and the AC conversion The circuit board manages charging and discharging, and transmits power through the DC output line.

A DC output line is arranged on both sides of the bottom case, wherein an output plug connected to one DC output line is an Apple 8 pin plug, and an output plug connected to another DC output line is a Mike 5 pin plug.

The plug housing includes two left and right chambers, and the bottom ends of the two chambers are provided with buckles for catching the output plugs, and the Apple 8pin and the Mike 5pin plug are stuck.

 The AC-DC conversion circuit board is provided with a relief groove near the telescopic two-legged plug.

The end of the DC control circuit board is provided with a Mike 5pin DC input interface and a USB DC output port, and the input port tail plug and the output port tail plug are respectively disposed on the two ports.

The AC/DC conversion circuit board is provided with a rectification filter circuit, a voltage conversion circuit and a DC rectification filter circuit which are sequentially connected, wherein the rectification and filtering circuit is connected to the telescopic two-pin plug, and the DC rectification filter circuit is connected to the DC control circuit board.

The DC control circuit board is provided with a charging management circuit, a battery, and a boosting circuit, wherein the charging management circuit is connected to the DC rectifying and filtering circuit, and the battery is connected to control charging and discharging; the battery is connected to the DC output line through the boosting circuit. The USB direct current output port is connected to the charging management circuit.

Compared with the prior art, the utility model has the AC charging function, the built-in Mike 5pin output line and the Apple 8pin output line, and the ultra-thin shape is small, which is very convenient to carry, and can be conveniently used without an accessory. (100V-240V) to charge itself, charge Android products and Apple series products; also has DC input interface and USB DC output interface, so that the device can charge multiple mobile phones or simultaneously charge mobile phones and tablets In the absence of AC (100V-240V), you can also use Mike 5pin DC to connect to the DC input interface to charge yourself; also can be used as a Mike 5pin to Apple 8pin, which is convenient for users to use.

DRAWINGS

 Figure 1 is a front perspective view of a preferred embodiment of the present invention;

 Figure 2 is a perspective view of the back side of the preferred embodiment of the present invention;

 Figure 3 is an exploded perspective view of a preferred embodiment of the present invention;

 Figure 4 is a perspective view of the bottom case 7 of the preferred embodiment of the present invention;

 Figure 5 is a perspective view of a cross-conversion circuit board in accordance with a preferred embodiment of the present invention;

 Figure 6 is a perspective view of the preferred embodiment of the present invention with the face shell removed;

 7 is a circuit diagram of a cross-conversion circuit board in accordance with a preferred embodiment of the present invention;

 Figure 8 is a circuit diagram of a DC control circuit board in accordance with a preferred embodiment of the present invention;

 Figure 9 is a block diagram of a circuit in accordance with a preferred embodiment of the present invention.

 detailed description

In order to make the objects, technical solutions and advantages of the present invention more comprehensible, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It is understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The utility model discloses a portable multifunctional mobile power source. Referring to Figures 1 and 2, a bottom case 7 and a face shell 1 are arranged, and electronic components are placed in a cavity in which the bottom case is fastened. Referring to FIG. 4 and FIG. 3, an output plug housing 21 for placing an output plug and an input plug housing 22 for placing a telescopic two-legged plug 5 are disposed in the bottom case from one end to the other end for placing an AC conversion. The cross-conversion chamber 23 of the circuit board 8, the battery compartment 28 for placing the battery 9, and the DC conversion bin 24 for placing the DC control circuit board 10. It can be seen that the output plug compartment 21, the input plug compartment 22, the cross-conversion compartment 23, the battery compartment 28, and the DC conversion compartment 24 are all on one plane, which greatly reduces the thickness of the mobile power source. A DC output line is disposed on at least one side of the bottom shell, and one end of the DC output line is connected to the DC control circuit board, and the other end is an output plug, and the output plug can be inserted into the output plug compartment when idle; charging a mobile device such as a mobile phone There is no need to look around for the charging line. The telescopic two-pin plug can be connected to an alternating current (100V-240V) for supplying alternating current power to the cross-conversion circuit board, and can be pulled out from the groove of the bottom case when used, and placed in the bottom case when not in use. The groove is used to reduce the volume of the mobile power source. The part indicated by the icon 46 in Fig. 3 is a fixed cover for fixing the telescopic two-legged plug in the input plug compartment. The AC-DC conversion circuit board converts the AC power into DC power and supplies DC power to the DC control circuit board; thereby realizing the AC charging function, and no additional power adapter is required. The DC control circuit board is connected to the battery and the AC/DC conversion circuit board to manage charging and discharging, and is externally transmitted through the DC output line.

Through the above design, the mobile power source has an AC charging function, a self-contained output line, a small size and a small size, and is very portable, and can be conveniently charged and exchanged with an alternating current (100V-240V) without an accessory. Production Charge the product.

 1 , 2, and 3, in the preferred embodiment, A DC output line is arranged on both sides of the bottom case 7. One output pin connected to the DC output line is an Apple 8 pin plug 6, and the output plug connected to the other DC output line is a Mike 5 pin plug 2. It is convenient to charge the Apple series products and the Android series products without the accessories.

Referring to Figures 3 and 6, in order to prevent the output plug from falling out of the bottom case 7, the plug housing 21 includes two left and right chambers, and the bottom ends of the two chambers are provided with a buckle 4 for catching the output plug. When the output plug is inserted into the plug housing 21, it is caught by the buckle 4. The buckle is made of a special plastic material, which has greater elasticity and can reduce friction.

 See Figure 5, The AC/DC conversion circuit board 8 is provided with a relief groove 25 near the telescopic two-legged plug 5, whereby the space inside the casing can be utilized to the utmost. At the same time, the vertical conversion circuit board 8 is also provided with a slot for escaping the transformer 44 and the electrolytic capacitor 45 to avoid overlapping of the transformer and the electrolytic capacitor and the AC/DC converter board 8, thereby achieving the purpose of reducing the thickness of the mobile power source.

In order to increase the function of the mobile power source, a Mike 5pin DC input interface 26 and a USB DC output port 27 are provided at the end of the DC control circuit board 10, and the input port tail plug 26a and the output port tail plug 27a are respectively disposed on the two ports. In the absence of AC (100V-240V), you can also use the Mike 5pin DC-connected DC input interface to charge the mobile power supply, so that the mobile power supply can be double-charged. Other electronic products can also be charged through the USB DC output port 27, thereby maximizing the number of products that are simultaneously charged, and facilitating the user's emergency and use.

FIG. 9 is a block diagram showing the circuit. In the preferred embodiment, the AC/DC converter circuit board 8 is provided with a rectification filter circuit, a voltage conversion circuit, and a DC rectification filter circuit, which are sequentially connected, wherein the rectification filter circuit is connected to the telescopic type. A two-pin plug, a DC rectification filter circuit is connected to the DC control circuit board 10. The DC control circuit board 10 is provided with a charging management circuit, a battery, and a boosting circuit, wherein the charging management circuit is connected to the DC rectifying and filtering circuit, and the battery is connected to control charging and discharging; the battery is connected to the DC output line through a boosting circuit and The USB direct current output port 27, the Mike 5pin direct current input interface 26 is connected to the charge management circuit.

FIG. 7 shows a circuit diagram on the AC-DC conversion circuit board, wherein D31, L32, C32, and C31 form a rectification and filtering circuit, and the AC is converted into a high-voltage DC power by an AC/DC conversion filter circuit. The components such as TF1A, TF1B, U31, R5, and R6 form a voltage conversion circuit, and the high-voltage direct current is converted into a low-voltage high-frequency alternating current. D38, L33, C310 and other components form a DC rectification filter circuit to stabilize the voltage to the desired 5V DC voltage. The output terminals 'V+' and 'V-' on the right side in Fig. 7 are connected to 5v-IN and DGND on the right side of J1 in Fig. 8, respectively.

Figure 8 shows the circuit diagram on the DC control circuit board, in which U2 (main control chip MCU), Q1, Q3, U1, Q4, Q5 are charge management circuits, and the automatic identification device needs to charge or discharge for charge and discharge management, Overcurrent, overvoltage, short circuit protection. L1, D*, and Q2 are boost circuits that allow the battery to be boosted and output. The + pole and the - pole of the Apple 8pin plug and the Mike 5pin plug are respectively connected to 5-OUT and ground in FIG. 8, and the Mike 5pin DC input interface is connected to J1 in FIG. 8, and the USB direct current output is connected in FIG. J3. The LEDs 1 to 4 in FIG. 8 are the power indicator lights, that is, the icons 41 in FIG. 1, and the icons 42 in FIG. 1 are referred to as the transparent lamp covers of the LED lamps. SW1 in Fig. 8 is a start button for charging an electronic product such as a mobile phone, that is, the icon 43 in Fig. 1.

The above embodiments are merely illustrative and not limiting. Equivalent modifications or variations of the present invention are intended to be included within the scope of the appended claims.

Claims (7)

A portable multifunctional mobile power source comprising a bottom case (7) and a face shell (1), characterized in that: in one end of the bottom case, one end to the other end is arranged: an output plug housing (21) for placing an output plug, An input plug compartment (22) for placing the telescopic two-legged plug (5), a cross-conversion compartment (23) for placing the AC-DC conversion board (8), and a battery compartment (28) for placing the battery (9) a DC conversion bin (24) for placing a DC control circuit board (10); a DC output line is disposed on at least one side of the bottom case, the DC output line is connected to the DC control circuit board at one end, and the output plug is connected to the other end, the output The plug can be inserted into the output plug compartment when idle; The telescopic two-pin plug can be connected to an alternating current to provide alternating current energy to the orthogonal conversion circuit board; The AC-DC conversion circuit board converts AC power into DC power and supplies DC power to the DC control circuit board; The DC control circuit board is connected to the battery and the AC/DC conversion circuit board to manage charging and discharging, and is externally transmitted through the DC output line.  The portable multi-function mobile power source of claim 1 The bottom shell (7) is provided with DC output lines on both sides, wherein one DC output line is connected with an Apple 8 pin plug (6), and the other DC output line is connected with a Mike 5 pin plug ( 2).  The portable multi-function mobile power source of claim 2 The problem is that the plug housing (21) comprises two left and right chambers, and the bottom ends of the two chambers are provided with buckles (4) for catching the output plugs.  The portable multi-function mobile power source of claim 1 The intersection conversion circuit board (8) is provided with a relief groove (25) near the telescopic two-legged plug (5).  The portable multi-function mobile power source of claim 1 The end of the DC control circuit board (10) is provided with a Mike 5pin DC input interface (26) and a USB DC output port (27), and the input port tail plug (26a) and the output port tail are respectively disposed on the two ports. Plug (27a).  A portable multi-function mobile power source as claimed in claim 5 The cross-conversion circuit board (8) is provided with a rectifying and filtering circuit, a voltage converting circuit and a DC rectifying and filtering circuit which are sequentially connected, wherein the rectifying and filtering circuit is connected to the telescopic two-pin plug, and the DC rectifying and filtering circuit is connected to the DC control board (10).  The portable multi-function mobile power source of claim 6 The DC control circuit board (10) is provided with a charging management circuit, a battery, and a boosting circuit, wherein the charging management circuit is connected to the DC rectifying and filtering circuit, and the battery is connected to control charging and discharging; the battery is connected through the boosting circuit. The DC output line and the USB DC output port (27), the Mike 5pin DC input interface (26) is connected to the charge management circuit.