CN204732936U - A kind of portable power source - Google Patents

Abstract

The utility model discloses a kind of portable power source, comprise charging input circuit, DC-DC THE BOOST SWITCHING CIRCUIT, central control circuit and USB output circuit, the output of charging input circuit is electrically connected with the input of DC-DC THE BOOST SWITCHING CIRCUIT, the control end of DC-DC THE BOOST SWITCHING CIRCUIT is electrically connected with central control circuit, the input of USB output circuit is electrically connected with the output of DC-DC THE BOOST SWITCHING CIRCUIT, the control end of USB output circuit is electrically connected with central control circuit, does is the output of USB output circuit connected with TYPE? C module.TYPE? C module, can compatible each class interface, the data transportation requirements of each electronic product can be met, in addition, TYPE? the data transmission bauds of C port is faster, larger data transfer task can be completed in the short period of time, the transmission speed requirement of each electronic product to data can be met.

Description

A kind of portable power source

Technical field

The utility model relates to a kind of portable power source.

Background technology

Along with the high speed development of electronic technology, the function of the electronic product such as various mobile phone, digital camera, electronic reader, MP3, MP4 from strength to strength, cause power consumption also increasing, so, there is the product of the special portable power source for each electronic product charging.And the FPDP style number specification of all kinds of digital product is different, meanwhile, being subject to the impact from strength to strength of the function of digital product, needing, when carrying out transfer of data with external equipments such as portable power sources, to reach higher data transmission bauds.But the data-interface of current portable power source product is single, and the data transmission bauds of data-interface is lower, can not meet requirement.

In addition, current portable power source product majority uses aluminum hull lithium cell, heavier-weight, volume is also comparatively large, and capacity is generally about 2000mAh, function singleness, large, the existing portable power source of stand-by power consumption mostly is the independent one piece of circuit of charging, boost one piece of circuit, managing electric quantity one piece of circuit, and element is many, complex structure, therefore change-over circuit cost is high, output current is little and conversion efficiency is low, and after using a period of time, the service time of the battery core of portable power source can shorten greatly.

Utility model content

The utility model provides a kind of portable power source, at least one to solve the problem.

According to an aspect of the present utility model, carry and encircleed a kind of portable power source, comprise charging input circuit, DC-DC THE BOOST SWITCHING CIRCUIT, central control circuit and USB output circuit, the output of charging input circuit is electrically connected with the input of DC-DC THE BOOST SWITCHING CIRCUIT, the control end of DC-DC THE BOOST SWITCHING CIRCUIT is electrically connected with central control circuit, the input of USB output circuit is electrically connected with the output of DC-DC THE BOOST SWITCHING CIRCUIT, the control end of USB output circuit is electrically connected with central control circuit, and the output of USB output circuit is also electrically connected with TYPE C module.

The utility model will charge input circuit, DC-DC THE BOOST SWITCHING CIRCUIT, central control circuit and USB output circuit, be integrated in same circuit, can realize the difference in functionalitys such as the charging to portable power source, boosting and managing electric quantity simultaneously; And the TYPE C module be connected with USB output circuit, the compatibility to each class interface can be realized, the data transportation requirements of each electronic product can be met, in addition, the data transmission bauds of TYPE C port is faster, the transmitting procedure of data can be completed in the short period of time, the transmission speed requirement of each electronic product to data can be met.

In some embodiments, charging input circuit comprises input port, the first resistance, the second resistance, the first electric capacity, the second electric capacity and metal-oxide-semiconductor, first electric capacity and the second resistor coupled in parallel are connected on input port, first resistance and the second capacitances in series are connected between input port and central control circuit, one end ground connection of the second electric capacity, the positive pole that an end of metal-oxide-semiconductor is connected on input port is formed the input of electric current.Thus, the first resistance, the second resistance and the second electric capacity form power sense circuit, and can detect the input electrical signal of input port, metal-oxide-semiconductor is connected the input that can realize the signal of telecommunication with input port.

In some embodiments, DC-DC THE BOOST SWITCHING CIRCUIT comprises partial switch, lower partial switch, energy storage inductor, the first output control switch, upper partial switch and the parallel connection of lower partial switch, upper partial switch is connected by the metal-oxide-semiconductor of the first output control switch with charging input circuit with lower partial switch input, upper partial switch is connected with central control circuit with the control end of lower partial switch, between the input that energy storage inductor is connected in parallel on partial switch and lower partial switch and control end.Thus, the first output control switch can control the break-make of the signal of telecommunication, and upper partial switch and lower partial switch alternate conduction make energy storage inductor realize charging and discharging process.

In some embodiments, central control circuit comprises central controller, second output control switch, key-press module, LED lamp circuit and standby current testing circuit, the input of LED lamp circuit is connected with DC-DC THE BOOST SWITCHING CIRCUIT, control end is connected with central controller, the control end of the second output control switch is connected with central controller, output is connected with USB output circuit, key-press module is serially connected between central controller and LED lamp circuit, standby current testing circuit one end is electrically connected with the input of USB output circuit, the other end is electrically connected with central controller.Thus, central controller can send signal to the second output control switch, the output of electricity is control effectively, standby current testing circuit can detect portable power source electricity service condition at one's leisure, and shown by battery capacity indication lamp, in addition, central controller can be started by the delay operation that button is different and realize different operating functions.

In some embodiments, LED lamp circuit comprises multiple LED parallel with one another, and the input of multiple LED parallel with one another is connected with DC-DC THE BOOST SWITCHING CIRCUIT output, and the output of multiple LED parallel with one another is connected with central controller.Thus, DC-DC THE BOOST SWITCHING CIRCUIT can provide electric energy for multiple LED parallel with one another, and multiple LED parallel with one another can realize different functions under the control command of central controller.

Accompanying drawing explanation

Fig. 1 is the structural representation of a kind of portable power source of a kind of execution mode of the utility model;

The circuit theory schematic diagram that Fig. 2 is portable power source shown in Fig. 1;

The circuit theory schematic diagram of the charging input circuit that Fig. 3 is portable power source shown in Fig. 1;

The circuit theory schematic diagram of the DC-DC THE BOOST SWITCHING CIRCUIT that Fig. 4 is portable power source shown in Fig. 1;

The circuit theory schematic diagram that Fig. 5 is the central control circuit of portable power source shown in Fig. 1;

The circuit theory schematic diagram of the USB output circuit that Fig. 6 is portable power source shown in Fig. 1 and TYPE C model calling.

Embodiment

Below in conjunction with accompanying drawing, the utility model is described in further detail.

Fig. 1 to Fig. 6 show schematically show a kind of portable power source of the utility model one embodiment.

As depicted in figs. 1 and 2, a kind of portable power source, comprises charging input circuit 1, DC-DC booster circuit 2, central control circuit 3, USB output circuit 4 and TYPE C module 5.The output of charging input circuit 1 is electrically connected with the input of DC-DC booster circuit 2, the control end of DC-DC booster circuit 2 is electrically connected with central control circuit 3, the input of USB output circuit 4 is electrically connected with DC-DC booster circuit output, the control end of USB output circuit is electrically connected with central control circuit 3, and TYPE C module 5 is attempted by the output port of USB output circuit 4.

Shown in composition graphs 2 and Fig. 3, charging input circuit 1 has input port IN1, the first electric capacity C3, the second electric capacity C11, the first resistance R3, the second resistance R5 and metal-oxide-semiconductor Q3, first electric capacity C3 and the second resistance R5 is connected in parallel on output port IN1 positive and negative electrode, first resistance R3 connects with the second electric capacity C11, second electric capacity C11 ground connection, the output of metal-oxide-semiconductor is electrically connected with the first output control switch Q4 of DC-DC booster circuit 2, and the control end of metal-oxide-semiconductor is connected with the central controller of central control circuit 3.First resistance R3, the second resistance R5 and the first electric capacity C3 together constitute detection module, can detect the input port IN1 input current signal of charging input circuit 1, metal-oxide-semiconductor is serially connected on input port IN1, metal-oxide-semiconductor output constitutes the output of charging input circuit 1 signal of telecommunication, can provide the signal of telecommunication to each circuit below.

Shown in composition graphs 2 and Fig. 4, DC-DC booster circuit 2, comprise the first output control switch Q4, upper partial switch Q5, lower partial switch Q6, energy storage inductor 1L2, first output control switch Q4 is serially connected on the output of metal-oxide-semiconductor, its control end is connected with the central controller U2 of central control circuit 3, first output control switch Q4 is by the control of central controller U2, realize the control to the break-make of DC-DC booster circuit 2 input electrical signal, upper partial switch Q5, lower partial switch Q6 and energy storage inductor 1L2 is also connected on the output of the first output control switch Q4, upper partial switch Q5, the control end of lower partial switch Q6 is connected with central controller U2, partial switch Q5 and lower partial switch Q6 alternate conduction in central controller U2 control also coordinate energy storage inductor 1L2 to realize boosting and fill, discharge process synchronizing function.

Shown in composition graphs 2 and Fig. 5, central control circuit 3, comprise LED lamp circuit 31, standby current testing circuit 32, second output control switch 33 and key-press module 34, LED lamp circuit 31 comprises LED (L1, L2, L3, L4, L5, L6), LED (L1, L2, L3, L4, L5, L6) input is connected with the output of the metal-oxide-semiconductor of charging input circuit 1, LED (L1, L2, L3, L4, L5, L6) control end is connected with each pin of central controller U2, standby current testing circuit 32 comprises central controller U2, the output of standby current testing circuit 32 is electrically connected with the input of USB output circuit, central controller U2 can detect USB output circuit output current situation, the control end of the second output control switch 33 is connected with central controller U2, its output is connected with the input of USB output circuit 4, central controller U2 can realize controlling the output of USB output circuit 4 by the second output control switch 33, key-press module 34 comprises button S1, 3rd electric capacity C10, 4th electric capacity C12, 3rd resistance R12, button S1 is in parallel with the 3rd electric capacity C10 forms the first circuit, 4th electric capacity C12 and the 3rd resistance R12 second circuit in parallel, first circuit and second circuit series connection are between the output of the metal-oxide-semiconductor of central controller U2 and the input circuit 1 that charges.

Shown in composition graphs 2 and Fig. 5, under the control of central controller U2, the delay operation different to button S1, different functions can be realized, such as when the time delay of the S1 that pushes button is less than 2s, central controller U2 will be started, central controller U2 detects the electricity consumption situation of portable power source by standby current testing circuit 32, and shown by the battery capacity indication lamp (L1, L2, L3, L4, L5) of LED lamp circuit 31, if battery capacity indication lamp (L1, L2, L3, L4, L5) full dose, then represent that the reserve of electricity of power supply is for full lattice; If push button, the time delay of S1 is when 2s to 5s, and central controller U2 then starts illuminating lamp L6, and illuminating lamp L6 power taking and being lit from charging input circuit 1, plays the effect of illumination; When the time delay of the S1 that pushes button is greater than 5s, central controller U2 controls the second output control switch Q7, with the external output of control USB output circuit 4.

Shown in composition graphs 2 and Fig. 6, TYPE C module 5 mainly comprises TYPE C interface, TYPE C interface is connected on the output port of USB output circuit 4, TYPE C interface has the strong feature of port compatibility, constraint in specific plug wire mode is not had to the plug wire end of power consumption equipment, the positive and negative of plug wire end can be realized insert, the use learning process of the user simplified, simultaneously, TYPE C interface has higher data transmission bauds, all kinds of digital product can be met when carrying out large transfer of data, the requirement in transmission speed.

Above-described is only execution modes more of the present utility model.For the person of ordinary skill of the art, under the prerequisite not departing from the utility model creation design, can also make some distortion and improvement, these all belong to protection range of the present utility model.

Claims (5)

1. a portable power source, it is characterized in that, comprise charging input circuit (1), DC-DC THE BOOST SWITCHING CIRCUIT (2), central control circuit (3) and USB output circuit (4), the output of described charging input circuit (1) is electrically connected with the input of DC-DC THE BOOST SWITCHING CIRCUIT (2), the control end of described DC-DC THE BOOST SWITCHING CIRCUIT (2) is electrically connected with central control circuit (3), the input of described USB output circuit (4) is electrically connected with the output of DC-DC THE BOOST SWITCHING CIRCUIT (2), the control end of described USB output circuit (4) is electrically connected with central control circuit (3), the output of described USB output circuit (4) is also electrically connected with TYPE C module (5).

2. a kind of portable power source according to claim 1, it is characterized in that, described charging input circuit (1) comprises input port (IN1), first resistance (R3), second resistance (R5), first electric capacity (C3), second electric capacity (C11) and metal-oxide-semiconductor (Q3), described first electric capacity (C3) and the second resistance (R5) are also connected on input port (IN1), described first resistance (R3) and the second electric capacity (C11) series connection are between input port (IN1) and described central control circuit (3), one end ground connection of described second electric capacity (C11), the positive pole that one end of described metal-oxide-semiconductor (Q3) is connected on input port (IN1) is formed the input of electric current.

3. a kind of portable power source according to claim 2, it is characterized in that, described DC-DC THE BOOST SWITCHING CIRCUIT (2) comprises partial switch (Q5), lower partial switch (Q6), energy storage inductor (1L2), first output control switch (Q4), described upper partial switch (Q5) and lower partial switch (Q6) parallel connection, upper partial switch (Q5) is connected by the metal-oxide-semiconductor (Q3) of the first output control switch (Q4) with charging input circuit (1) with lower partial switch (Q6) input, upper partial switch (Q5) is connected with central control circuit (3) with the control end of lower partial switch (Q6), between the input that energy storage inductor (1L2) is connected in parallel on partial switch (Q5) and lower partial switch (Q6) and control end.

4. a kind of portable power source according to claim 3, it is characterized in that, described central control circuit (3) comprises central controller (U2), second output control switch (Q7), key-press module, LED lamp circuit and standby current testing circuit, the input of described LED lamp circuit is connected with DC-DC THE BOOST SWITCHING CIRCUIT (2), control end is connected with central controller (U2), the control end of described second output control switch (Q7) is connected with central controller (U2), output is connected with USB output circuit (4), described key-press module is serially connected between central controller (U2) and LED lamp circuit, described standby current testing circuit one end is electrically connected with the input of USB output circuit (4), the other end is electrically connected with central controller (U2).

5. a kind of portable power source according to claim 4, it is characterized in that, described LED lamp circuit comprises multiple LED parallel with one another, the input of described multiple LED parallel with one another is connected with DC-DC THE BOOST SWITCHING CIRCUIT (2) output, and the output of described multiple LED parallel with one another is connected with central controller (U2).