TWM458726U - Power adaptor device with storage function - Google Patents

Abstract

The utility model relates to a power adapter with the function of electric energy storage, which comprises an AC/DC (alternating current/direct current) power supply switching circuit (1), a charging management circuit (2), an electric energy storage module circuit (3), a discharging management circuit (4), an output control circuit (5) and a control circuit (6), wherein the charging management circuit (2) receives a direct current power supply to manage the charging of a charging circuit; the electric energy storage module circuit (3) stores and releases the electric energy; the discharging management circuit (4) converts the electric energy of the electric energy storage module circuit into a set of or a plurality of sets of set direct current voltage; the output control circuit (5) is used for controlling the discharging management circuit (4) to stop working under the non-loaded condition; and the control circuit (6) is used for detecting whether the load requirement and the electric energy input exist or not, and controlling the work of the charging management circuit (2) and the discharging management circuit (4). The power adapter has the beneficial effects that the direct current power supply output can be provided for the power supply switching circuit, and the direct current power supply output can be further provided by the storage unit.

Description

Power adapter device with power storage function

This creation is about power supply devices, especially regarding power supply devices with electrical energy storage.

At present, various types of electronic products are prevalent. When people go out, they may need to carry more than one adapter to meet the power supply function when there is power input and the power to save the load when there is no power input. It is inconvenient to use. As small portable electronic devices become more powerful, their power consumption is also increasing. Since the existing power adapter has a single function, the power supply of the portable electronic device cannot be guaranteed without the utility power.

The technical problem to be solved by the present invention is to provide a power adapter device having a power storage function, which integrates power supply and power storage functions on a single product, and only needs to carry one adapter when going out to satisfy various electronic products. Electricity demand.

This creation is achieved by the following technical means:

Design a power adapter device with power storage function, comprising: AC/DC power conversion circuit for converting AC voltage (mains) into a stable DC voltage; charging management circuit, receiving DC power output from the AC/DC power conversion circuit Or an external DC power source, controlling the charging voltage and current of the power storage module circuit; storing the power module circuit, storing the power or the discharging tube of the charging management circuit The circuit transmits electric energy; the discharge management circuit manages the discharge characteristic of the storage module circuit; the output control circuit controls the discharge management circuit to stop when no load is present; and the control circuit is respectively connected with the charge management circuit and the discharge management circuit And according to load demand and power input to control electric energy storage and power supply; external AC input interface and external DC input interface, external AC input interface is electrically connected with AC/DC power conversion circuit, and external DC input interface is electrically connected with charging management circuit; The power output interface is electrically connected to the output control circuit.

Further, the power output interface is a USB interface.

Further, the external DC power input interface is a USB universal interface.

Further, the power storage module circuit includes a lithium battery.

Further, the external DC input interface is electrically connected to the output control circuit.

Further, the AC/DC power conversion circuit is electrically connected to the output control circuit.

The creation has the following technical effects: the AC power can be converted into a DC power source to supply power to the portable electronic device, and the DC power source can be directly used to supply power to the portable electronic device. Moreover, the storage power module circuit of the present invention can be charged by using an AC power source (mains power) or a DC external power source, and the power storage module circuit is portable to the portable power supply (commercial power) and other DC external power sources. The electronic device provides DC power. Therefore, by utilizing the power adapter device having the power storage function of the present invention, the power supply of the portable electronic device can be maximized.

1‧‧‧AC/DC power conversion circuit

2‧‧‧Charging management circuit

3‧‧‧Power storage module circuit

4‧‧‧Discharge management circuit

5‧‧‧Output control circuit

6‧‧‧Control circuit

Fig. 1 is a block diagram showing the function of a power supply device having a power storage function.

The present invention will be further described below in conjunction with the preferred embodiment.

As shown in FIG. 1, a power adapter device having a power storage function includes an AC/DC power conversion circuit 1, a charge management circuit 2, a power storage module circuit 3, a discharge management circuit 4, an output control circuit 5, and a control circuit. 6. External AC input interface, external DC input interface and power output interface. The AC/DC power conversion circuit 1 is electrically connected to the charge management circuit 2 and the output control circuit 5, respectively, and the power storage module circuit 3 is electrically connected to the charge management circuit 2 and the discharge management circuit 4, respectively. The control circuit 6 is electrically connected to the charge management circuit 2 and the discharge management circuit 4, respectively. The external AC input interface is electrically connected to the AC/DC power conversion circuit, and the external DC input interface is electrically connected to the charge management circuit and the output control circuit 5, and the AC/DC power conversion circuit 1 is electrically connected to the output control circuit 5. The power output interface is electrically connected to the output control circuit 5. The functions of each circuit are as follows:

An AC/DC power conversion circuit 1 for converting an alternating current voltage (mains) into a stable direct current voltage. After the AC/DC power conversion circuit 1 converts the alternating current into direct current, the output control circuit 5 controls the output of the direct current or the charging management circuit 2 to charge the storage module circuit. As shown in FIG. 1, the AC/DC power conversion circuit 1 includes a rectifier, a high frequency transformer, and a pulse width modulator. The circuit has a wide input AC voltage range, and has a constant voltage DC output, a maximum output current limit, and a maximum. Output voltage limit and output abnormality protection.

The charge management circuit 2 receives the DC power or the external DC power output from the AC/DC power conversion circuit 1, and controls the voltage and current of the input DC power supply and charges the power storage module circuit 3. The operating mode of the control circuit is adjusted by the control circuit 6 for the battery charging condition. After the external DC power source is input, the output control circuit 5 controls the output DC power or the charging management circuit 2 charges the power storage module circuit. The external DC power input interface uses a USB universal interface. It is suitable for powering this creation with the car charger, and is suitable for powering this creation in any case with a USB output interface.

The power storage module circuit 3 stores the power transmitted by the charge management circuit 2 and supplies the power to the discharge management circuit 4. The power storage module circuit includes various types of batteries, such as lithium batteries, that can generate energy storage.

The discharge management circuit 4 converts the electrical energy delivered by the electrical storage module circuit 3 into a single or multiple sets of set DC voltages. The control circuit 6 adjusts the discharge voltage and current of the discharge management circuit 4.

The output control circuit 5 utilizes current detection to control the discharge management circuit 4 to stop operating when there is no load to reduce standby energy consumption, and to adjust overall input and output management via the control circuit 6 in accordance with the output current condition. The power output interface uses a USB universal interface.

The control circuit 6 is configured to detect whether there is load demand and power input, and control the energy storage and power supply according to the load demand and the power input. At the same time, it has protection control function and working status display function.

The AC power conversion DC power supply or the DC conversion DC power supply unit is added to the power storage unit, so that the DC power supply output can be provided by the power conversion unit, or the DC power output can be provided by the storage unit. The control circuit can automatically detect the circuit that is most suitable for providing input supply at any time according to the demand of the load, and automatically cut off other circuits. When there is power input and no load demand, the automatic detection confirms the energy storage condition of the power storage module circuit, and completes the energy saving; when there is no energy supply and load demand, the control circuit starts the power storage module circuit 3, The load is supplied with power.

The above content is a further detailed description of the present invention in combination with specific preferred technical means, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the art to which the present invention pertains, a number of simple deductions or substitutions may be made without departing from the inventive concept, and such deductions or substitutions are considered to be within the scope of the present invention.

1‧‧‧AC/DC power conversion circuit

2‧‧‧Charging management circuit

3‧‧‧Power storage module circuit

4‧‧‧Discharge management circuit

5‧‧‧Output control circuit

6‧‧‧Control circuit

Claims (6)

A power adapter device having a power storage function, comprising: an AC/DC power conversion circuit (1) for converting an alternating current voltage (mains) into a stable direct current voltage; and a charging management circuit (2) for accepting the AC/DC power conversion The DC power source or the external DC power source outputted by the circuit (1) controls the charging voltage and current of the power storage module circuit (3); the power storage module circuit (3) stores the power or the power transmitted by the charging management circuit (2) The discharge management circuit (4) delivers electrical energy; the discharge management circuit (4) manages the discharge characteristics of the storage module circuit (3); and the output control circuit (5) controls the discharge management circuit (4) to stop when there is no load. The control circuit (6) is respectively connected with the charging management circuit (2) and the discharge management circuit (4), and controls the electric energy storage and power supply according to the load demand and the electric energy input; the external AC input interface and the external DC input interface, and the external The AC input interface is electrically connected to the AC/DC power conversion circuit (1), and the external DC input interface is electrically connected to the charge management circuit (2); the power output interface is electrically connected to the output control circuit (5). The power adapter device with a power storage function according to claim 1, wherein the power output interface is a USB interface. A power adapter device having a power storage function according to claim 1, wherein the external DC power input interface is a USB universal interface. A power adapter device having a power storage function according to claim 1, wherein the power storage device The module circuit (3) includes a lithium battery. A power adapter device having a power storage function according to claim 1, wherein the external DC input interface is electrically connected to the output control circuit (5). A power adapter device having a power storage function according to claim 1, wherein the AC/DC power conversion circuit (1) is electrically connected to the output control circuit (5).