Background technology
Along with development of science and technology, increasing electronic equipment has appearred.Wherein, because portable equipment has higher application flexibility, thereby becomes a development trend of electronic equipment, increasing conditional electronic equipment develops towards mobile portable equipment.
Because the ambulant characteristics of portable equipment, so characteristics different with conditional electronic equipment are: portable equipment all adopts battery powered mode to guarantee the operate as normal of equipment, for example: mobile phone, portable computer, mobile test equipment etc. usually.Yet under a lot of situations, the electric weight of battery can't satisfy the portable equipment requirements of one's work in the portable equipment.
In order to solve the problem of electric weight deficiency, in the prior art, most portable devices also is equipped with at least one reserve battery.When the battery electric quantity in the portable equipment uses up, then change described reserve battery in portable equipment, to support that portable equipment works on.
Yet the inventor finds in the research to prior art, though the method that is equipped with reserve battery has solved the problem of a battery electric quantity deficiency to a certain extent, but based on the restriction of factors such as portable equipment model, profile, still less probably the user demand that causes to satisfy the user of the electric weight of described reserve battery to portable equipment; On the other hand, in some cases, the process of changing battery also can cause losing of user's significant data.
Further, portable equipment kind and model on the existing market are various, and all define the battery of specific model for the portable equipment of each type, and between the battery of different model, the terminal and the size of battery have nothing in common with each other.Because the restriction of factors such as these models, apparent size, the reserve battery of portable formula equipment all is non-interchangeable usually, and then cause reserve battery can only be applicable on the portable equipment of fixing model, can't use in other portable sets to such an extent as to scrap its battery of back, thereby cause bigger waste at original portable equipment.
Embodiment
Referring to Fig. 1, specify the power-supply device that the utility model embodiment provides.As shown in the figure, comprising: AC/DC converter 11, battery charging management circuit 12, discharge management output circuit 13, output port of power source 14, battery compartment 15, detection and display circuit 16 and input port 17; Wherein:
Input port 17 is used to obtain civil power; The line voltage that uses is generally 110V or 220V at present;
In the utility model, described power-supply device can directly obtain civil power by proprietary input port; Perhaps, in order to make described power-supply device can adapt to the commercial power interface of different size, described power-supply device can further be equipped with the transit cable of different model to obtain civil power, and then, the switching interface that described input port can adopt standard (for example: IEC320 C7 or IEC320 C8 etc., those skilled in the art can choose the existing standard interface according to demand) be connected with an end of transit cable, the other end of transit cable is used to connect mains supply.
AC/DC converter 11 is used for the civil power that input port obtains is converted to direct current, and is transported to battery charging management circuit 12.
Battery charging management circuit 12 obtains the direct current that the conversion of AC/DC converter obtains, and described direct current is adjusted the feasible requirement of satisfying battery charge, for the battery in the battery compartment charges;
Dissimilar batteries is different with conditional request to the charging environment, thereby make battery types not simultaneously, the operation principle of battery charging management circuit is difference to some extent also, those skilled in the art can be provided with the function of described battery charging management circuit according to cell types, and the utility model also is not intended to the specific implementation of battery charging management circuit is limited.
The operation principle of battery charging management circuit 12 when giving lithium ion cell charging below only is described.
Judge at first whether battery is normal, concrete, whether the voltage of judging battery is normal, if normally then begin to carry out charging process, otherwise, can carry out judging once more whether voltage is normal after the exploratory charging, afterwards cell voltage is not still in normal range (NR) if carry out exploratory several times charging repeatedly, and then battery charging management circuit judges that this battery damages; If cell voltage is normal, then battery charging management circuit at first keeps weighing apparatus stream (being that electric current is constant) to charge, and judges when cell voltage reaches 10.2V (volt), becomes weighing apparatus and compresses into row charging (being that charging voltage remains unchanged); Complete charge when acquiring a certain degree according to certain rule judgment battery electric quantity.
Discharge management output circuit 13, the management of discharging makes output current reach the job requirement of load equipment;
The function of discharge management output circuit is mainly reflected in following 2 points: 1) the conversion output voltage reaches the rated voltage of load equipment work; 2) output current is limited to protect the operate as normal of load and power supply; The specific implementation of discharge management output circuit is a prior art, and those skilled in the art can be achieved with reference to existing technology.
Output port of power source 14 is used to connect the power input of load equipment (electronic equipment); Concrete can realize being connected of output port of power source 14 and load equipment power input by cable, in order to adapt to the difference of different loads device power supply (DPS) input model, described output port of power source 14 can be equipped with transit cable and realize and being connected of load equipment power input.Then described output port of power source 14 can be selected for use as normal structures such as USB, and the utility model does not limit the concrete model that output port of power source adopted at this.
Battery compartment 15 is used to place battery, and described battery forms electric pathway by battery compartment and discharge management output circuit, and forms electric pathway with described battery charging management circuit.
Detect and display circuit 16, be used for each circuit working state of power-supply device is detected, and testing result is shown output; Comprise:
Be connected with battery charging management circuit, its operating state is detected, for example comprise: whether be in battery charging state, battery and whether charge and finish etc.;
Be connected with discharge management output circuit, its operating state is detected, for example comprise: whether be in discharge condition, output current, output voltage etc.;
Battery in the battery compartment is detected, for example comprise: battery temperature, humidity etc.
On above-mentioned power-supply device basis, with reference to Fig. 1, described discharge management output circuit also can be connected with battery charging management circuit, obtain the output of discharging of the adjusted direct current of battery energising management circuit, make and also can export through output port when the AC/DC converter charges to reserve battery by battery charging management circuit by the output transform circuit.
As shown in Figure 2, on the foregoing description architecture basics, the utility model also can comprise adjusting device 19.
Described adjusting device is used to regulate the discharge management parameters of discharge management output circuit, thus for power-supply device described in the utility model can fit for the distinct electronic apparatuses power supply provides may.For example, the input voltage difference of distinct electronic apparatuses, then described adjusting device can be adjusted the magnitude of voltage of discharge management output circuit output to reach the operating voltage of distinct electronic apparatuses by the mode of divider resistance.
More than be first and second embodiment of the utility model power-supply device, this equipment still has many parts that changes.With reference to Fig. 3, the utility model power-supply device the 3rd embodiment is described, comprising: battery compartment 31, discharge management output circuit 32, output port of power source 33; Wherein,
Battery compartment 31 is used to place battery, and described battery forms electric pathway by battery compartment and discharge management output circuit;
Discharge management output circuit 32, the management of discharging makes output current reach the job requirement of load equipment; Specific implementation is with reference to mentioned above;
Output port of power source 33 is used for externally connecting load equipment.
On the present embodiment basis, described power-supply device can further comprise adjusting device, is used to regulate the discharge management parameters of discharge management output circuit.The specific implementation reference is related content above.
On described the 3rd embodiment basis, described power-supply device also can comprise and detecting and display circuit, the operating state of power-supply device each several part circuit is detected, and output shows testing result; Specific implementation is referring to related content above.
The device that the utility model embodiment provides is not subjected to the influence of portable set profile, and bigger battery capacity can be arranged, and can remedy portable device battery capacity problem less than normal; And, be connected with portable equipment and charge or working power is provided by power output interface, need not change the battery of portable equipment, therefore compared with prior art not only easy to use, and avoided changing the problem of the easy obliterated data that battery caused.Further, the power output interface that this device provides can be equipped with different transit cables, to adapt to the model requirement of the various power inputs of portable set.When portable set was eliminated, the present embodiment device can continue to use on other portable sets, has saved resource.
More than a kind of supply unit provided by the utility model is described in detail, for one of ordinary skill in the art, thought according to the utility model embodiment, part in specific embodiments and applications all can change, in sum, this description should not be construed as restriction of the present utility model.