CN202550648U

CN202550648U - Power adapter with function of electric energy storage

Info

Publication number: CN202550648U
Application number: CN201220107984XU
Authority: CN
Inventors: 张永亮
Original assignee: Individual
Current assignee: Individual
Priority date: 2012-03-21
Filing date: 2012-03-21
Publication date: 2012-11-21
Anticipated expiration: 2022-03-21
Also published as: TWM458726U

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 supply adapting device with storage function

Technical field

The utility model relates to electric supply installation, particularly relates to the electric supply installation with power storage function.

Background technology

Currently the prevalence of various electronic products, people may need to carry out more than one adapter in order to meet in a power supply input functions and no electrical input energy savings when using power supply for the load to complete the function, inconvenient to use.Along with the function of small portable electronic device from strength to strength, its power consumption is also increasingly high.Because existing power supply adaptor function singleness is not having under the situation of civil power, can not guarantee the power supply supply of portable electric appts.

The utility model content

The utility model technical problem to be solved is to provide a storage function with power adapter unit, which will be powered with electricity storage functions into a single product, going only equipped with an adapter that can meet the needs of electronic products demand.

The utility model is realized through taking following technical scheme:

Design a kind of power supply adapting device with storage function, comprising: the AC/DC power-switching circuit is used for converting electric main to stable DC voltage; Charge management circuit is accepted DC power supply or external dc power that said AC/DC power-switching circuit is exported, charging voltage, the electric current of control accumulate modular circuit; The accumulate modular circuit is stored electric energy that said charge management circuit carries or to discharge management circuit transmission of electric energy; The discharge management circuit, the flash-over characteristic of management accumulate modular circuit; Output control circuit is used for controlling said discharge management circuit when non-loaded and quits work; Control circuit is connected with discharge management circuit communication with charge management circuit respectively, and according to loading demand and electric energy input control power storage and power supply; External communication input interface and outside direct current input interface, the external communication input interface is electrically connected with the AC/DC power-switching circuit, and outside direct current input interface is electrically connected with charge management circuit; Power output interface is electrically connected with output control circuit.

Further, said power output interface is a USB interface.

Further, said external dc power input interface is the USB general-purpose interface.

Further, said accumulate modular circuit comprises lithium battery.

Further, said outside direct current input interface is electrically connected with output control circuit.

Further, the AC/DC power-switching circuit is electrically connected with output control circuit.

The utlity model has following technique effect: interchange conversion DC power supply promptly capable of using is supplied power to portable electric appts, can directly utilize DC power supply to supply power to portable electric appts again.And, can also utilize the accumulate modular circuit charging of electric main or direct current external power to the utility model, under the situation that does not have electric main and other direct current external powers, to portable electric appts DC power supply is provided by the accumulate modular circuit.Therefore, the utlity model has the power supply adapting device of storage function, can guarantee the power supply supply of portable electric appts to greatest extent through utilization.

Description of drawings

Fig. 1 is the functional circuit block diagram that the utlity model has the power supply adapting device of storage function.

Embodiment

Below in conjunction with preferred embodiment the utility model is done further detailed description.

As shown in Figure 1; A kind of power supply adapting device with storage function comprises AC/DC power-switching circuit 1, charge management circuit 2, accumulate modular circuit 3, discharge management circuit 4, output control circuit 5, control circuit 6, external communication input interface, outside direct current input interface and power output interface.AC/DC power-switching circuit 1 is electrically connected with charge management circuit 2 and output control circuit 5 respectively, and accumulate modular circuit 3 is electrically connected with charge management circuit 2 and discharge management circuit 4 respectively.Control circuit 6 is electrically connected with charge management circuit 2 and discharge management circuit 4 respectively.The external communication input interface is electrically connected with the AC/DC power-switching circuit, and outside direct current input interface is electrically connected with charge management circuit respectively with output control circuit 5 and is electrically connected, and AC/DC power-switching circuit 1 is electrically connected with output control circuit 5.Power output interface is electrically connected with output control circuit 5.The function of each circuit is specific as follows:

AC/DC power-switching circuit 1 is used for converting electric main to stable DC voltage.AC/DC power-switching circuit 1 converts alternating current into after the direct current, charges to the accumulate modular circuit by output control circuit 5 control output DCs or through charge management circuit 2.As shown in Figure 1; AC/DC power-switching circuit 1 includes rectifier, high frequency transformer and pulse-width modulator; This circuit has the input ac voltage scope of broad, has functions such as the output of the voltage of deciding direct current, maximum output current restriction, maximum output voltage restriction and output abnormality protection.

Charge management circuit 2 is accepted the DC power supply or the external dc power of 1 output of said AC/DC power-switching circuit, and the voltage and current of the DC power supply of input is controlled and accumulate modular circuit 3 is charged.And adjust the mode of operation of control circuit to charge condition of battery by control circuit 6.After the external dc power input, charge to the accumulate modular circuit by output control circuit 5 control output DCs or through charge management circuit 2.The external dc power input interface adopts the USB general-purpose interface.Be applicable to by onboard charger and supply power, and be applicable in the occasion of any USB of possessing output interface and supply power to the utility model to the utility model.

Accumulate modular circuit 3 is stored electric energy that said charge management circuit 2 carries and to discharge management circuit 4 transmission of electric energy.The accumulate modular circuit comprises all kinds of batteries of the effect that can play energy storage, like lithium battery.

Discharge management circuit 4, as shown in Figure 4, the electric energy that said accumulate modular circuit 3 is carried converts single group or many settings direct voltage to.The discharge voltage and the electric current of 6 pairs of discharges of control circuit management circuit 4 are adjusted.

Output control circuit 5, as shown in Figure 4, utilize current sense, when non-loaded, control said discharge management circuit 4 and quit work, and adjust the complete machine I/O managements via control circuit 6 according to the output current situation with reduction standby energy energy consumption.Power output interface adopts the USB general-purpose interface.

Control circuit 6, whether as shown in Figure 5, being used for detecting has loading demand and electric energy input, and according to loading demand and electric energy input control power storage and power supply.Have protection controlled function and operating state Presentation Function simultaneously.

Exchange conversion DC power supply or direct current conversion dc power supply unit and add the power supply storage element, make the utility model DC power supply output to be provided, also can DC power supply output be provided by storage element by power conversion unit.Control circuit can be at any time according to the demand of load, and the most suitable up till now the providing of Auto-Sensing imported the circuit of supplying, and cuts off other circuit automatically.During non-loaded demand, Auto-Sensing is confirmed the accumulation of energy situation of accumulate modular circuit, accomplishes the savings of energy in that electric energy input is arranged; When not having energy to be supplied with loading demand, control circuit starts by accumulate modular circuit 3, and load is supplied power.

Above content is the further explain that combines concrete optimal technical scheme that the utility model is done, and can not assert that the practical implementation of the utility model is confined to these explanations.For the those of ordinary skill of technical field under the utility model, under the prerequisite that does not break away from the utility model design, can also make some simple deduction or replace, these deduction or replace all should be regarded as belonging to the protection range of the utility model.

Claims

1. power supply adapting device with storage function comprises:

AC/DC power-switching circuit (1) is used for converting electric main to stable DC voltage;

Charge management circuit (2) is accepted DC power supply or external dc power that said AC/DC power-switching circuit (1) is exported, charging voltage, the electric current of control accumulate modular circuit (3);

Accumulate modular circuit (3) is stored electric energy that said charge management circuit (2) carries or to discharge management circuit (4) transmission of electric energy;

Discharge management circuit (4), the flash-over characteristic of management accumulate modular circuit (3);

Output control circuit (5) is used for controlling said discharge management circuit (4) when non-loaded and quits work;

Control circuit (6), communication is connected with discharge management circuit (4) with charge management circuit (2) respectively, and according to loading demand and electric energy input control power storage and power supply;

External communication input interface and outside direct current input interface, the external communication input interface is electrically connected with AC/DC power-switching circuit (1), and outside direct current input interface is electrically connected with charge management circuit (2);

Power output interface is electrically connected with output control circuit (5).

2. the power supply adapting device with storage function as claimed in claim 1 is characterized in that: said power output interface is a USB interface.

3. the power supply adapting device with storage function as claimed in claim 1 is characterized in that: said external dc power input interface is the USB general-purpose interface.

4. the power supply adapting device with storage function as claimed in claim 1 is characterized in that: said accumulate modular circuit (3) comprises lithium battery.

5. the power supply adapting device with storage function as claimed in claim 1 is characterized in that: outside direct current input interface is electrically connected with output control circuit (5).

6. the power supply adapting device with storage function as claimed in claim 1 is characterized in that: AC/DC power-switching circuit (1) is electrically connected with output control circuit (5).