CN204794216U - Wireless portable power source that charges - Google Patents
Wireless portable power source that charges Download PDFInfo
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- CN204794216U CN204794216U CN201520504815.3U CN201520504815U CN204794216U CN 204794216 U CN204794216 U CN 204794216U CN 201520504815 U CN201520504815 U CN 201520504815U CN 204794216 U CN204794216 U CN 204794216U
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Abstract
The utility model discloses a wireless portable power source that charges, including charging input circuit, the DC -DC switch circuit that steps up, the central control circuit, USB output circuit and electric core protection circuit, input circuit's output and the DC -DC of charging steps up switch circuit's input and is connected, DC -DC steps up switch circuit's output and is connected with USB output circuit's input, central control circuit and DC -DC step up switch circuit and USB output circuit and are connected, electricity core protection circuit and DC -DC step up switch circuit and are connected, one of them USB port has QC2.0 quick charge function (5V9V). Can go on filling, cross put, overflow, short -circuit protection, battery charge with step up, big charge -discharge is flowed and high conversion efficiency to realize functions such as low stand -by power consumption, electric quantity inquiry, high bright LED illumination, the preferential power consumption of equipment, provide charge, step up, the trinity wireless portable power source that charges scheme of electric quantity management.
Description
Technical field
The utility model relates to the electric supply installation of electronic product, particularly a kind of wireless charging 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, need the electricity of consumption also increasing, but volume does less and less simultaneously, battery also and then does less and less, and its battery capacity does not catch up with the demand of user far away.Service time of battery is too short, and how long often have more than is needed when consumer uses electronic equipment out of doors just do not have electricity, very inconvenient.So just there is the product of portable power source, be the outdoor charging of the electronic products such as mobile phone specially.But current portable power source product majority uses aluminum hull lithium cell, heavier-weight, volume is also larger, 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, and current most of portable power source charging rate is lower, is difficult to all the more meet growing requirement.And portable power source is on the market mostly wired portable power source, when leaving behind data wire or data wire has broken, cannot charge, and plug wire charging is also inconvenient.
Utility model content
The purpose of this utility model is to provide that a kind of capacity is high, volume is little, lightweight, charge polymer lithium battery core circuit rapidly, adopts charging, boosting, managing electric quantity three-in-one and can carry out the wireless charging portable power source scheme of wireless charging.Its stand-by power consumption is low, change-over circuit cost is low, function is complete, output current is large, conversion efficiency is high, and charge efficiency is high, and can carry out wireless charging.
According to an aspect of the present utility model, provide wireless charging portable power source, comprise charging input circuit, one DC-DC THE BOOST SWITCHING CIRCUIT, for the central control circuit of charge and discharge control, USB output circuit, battery core protective circuit, 2nd DC-DC THE BOOST SWITCHING CIRCUIT and charging quickly road, the output of charging input circuit is connected with the input of a DC-DC THE BOOST SWITCHING CIRCUIT, the output of the one DC-DC THE BOOST SWITCHING CIRCUIT is connected with the input of USB output circuit, central control circuit is connected with a DC-DC THE BOOST SWITCHING CIRCUIT and USB output circuit, battery core protective circuit is connected with a DC-DC THE BOOST SWITCHING CIRCUIT, the connection on the 2nd DC-DC THE BOOST SWITCHING CIRCUIT and charging quickly road.
In some embodiments, charging input circuit comprises input port, the first resistance, the second resistance, electric capacity and rectifier diode, the cathode output end of input port and the positive pole of diode connect and compose current input terminal, described first resistance, the second resistance, electric capacity form input detection module, and its output is connected with centre control circuit.Electric current input and input electric cur-rent measure can be realized.
In some embodiments; DC-DC THE BOOST SWITCHING CIRCUIT comprises partial switch, lower partial switch and the first energy storage inductor; the input of upper partial switch is connected with the output of charging input circuit; upper partial switch is connected with centre control circuit with the control end of lower partial switch; upper partial switch is connected with the first energy storage inductor with the current output terminal of lower partial switch, and upper partial switch and lower partial switch alternate conduction coordinate with the first energy storage inductor carries out charge or discharge to battery core protective circuit.Can realize that charging shares with boosting, the charging or discharging current up to 2A and the conversion efficiency up to 93%.
In some embodiments, central control circuit comprises central controller, battery capacity indication lamp, standby current testing circuit, output control switch and button, the positive pole of battery capacity indication lamp is connected with charging input circuit, the negative pole of battery capacity indication lamp is connected with central controller, standby current testing circuit one end is connected with the input of USB output circuit, the other end is connected with central controller and flows, the control end of output control switch is connected with central controller, the current input terminal of output control switch is connected with the current output terminal of USB output circuit, button is connected with central controller.The preferential electricity consumption of dynamic route adjustment equipment can be realized, current limliting, short circuit, the functions such as over-voltage protecting function.
In some embodiments, central control circuit also comprises LED illumination lamp circuit, and the input of LED illumination lamp circuit is connected with the output of charging input circuit, and the control end of LED illumination lamp circuit is connected with central controller.LED flashlight illumination functions can be realized.
In some embodiments, the 2nd DC-DC boosted switch comprises the first boost control circuit, the second energy storage inductor, and the second energy storage inductor is connected with the first energy storage inductor, and the second energy storage inductor is connected with the first boost control circuit.
In some embodiments, USB output circuit comprises a USB output circuit, and a USB output circuit input is connected with the first DC-DC booster circuit output, and a USB output circuit output is connected with central control circuit.
In some embodiments, charging quickly road comprises the 2nd USB output circuit and the second boost control circuit, and the 2nd USB output circuit input is connected with the second DC-DC booster circuit output, and the 2nd USB output circuit output is connected with the second boost control circuit.
The utility model beneficial effect: one of them USB port of the utility model wireless charging portable power source has QC2.0 quick-charge function (5V/9V), is also provided with wireless charging module.Can carry out overcharging, cross put, the charging of overcurrent, short-circuit protection, battery and boosting, large charging or discharging current and high conversion efficiency; and realize the functions such as low standby power loss, electricity quantity inquiring, highlighted LED illumination, the preferential electricity consumption of equipment, wireless charging, charging, boosting, managing electric quantity three-in-one wireless charging portable power source scheme are provided.
Accompanying drawing explanation
Fig. 1 is the system connection diagram of the utility model wireless charging portable power source;
The circuit catenation principle schematic diagram of the charging input circuit that Fig. 2 is the portable power source of wireless charging shown in Fig. 1, a DC-DC THE BOOST SWITCHING CIRCUIT, central control circuit, the 2nd DC-DC THE BOOST SWITCHING CIRCUIT, USB output circuit, charging quickly road and wireless charging module;
Fig. 3 is the circuit theory schematic diagram of the battery core protective circuit of the portable power source of wireless charging shown in Fig. 1;
Fig. 4 to Figure 10 is wireless charging module circuit theory schematic diagram.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in further detail.
As shown in Figure 1, wireless charging portable power source, comprise charging input circuit 1, one DC-DC THE BOOST SWITCHING CIRCUIT 2, for the central control circuit 3 of charge and discharge control, USB output circuit 4, battery core protective circuit 5, 2nd DC-DC THE BOOST SWITCHING CIRCUIT 6 and charging quickly road 7, the output of charging input circuit 1 is connected with the input of a DC-DC THE BOOST SWITCHING CIRCUIT 2, the output of the one DC-DC THE BOOST SWITCHING CIRCUIT 2 is connected with the input of USB output circuit 4, central control circuit 3 is connected with a DC-DC THE BOOST SWITCHING CIRCUIT 2 and USB output circuit 4, battery core protective circuit 5 is connected with a DC-DC THE BOOST SWITCHING CIRCUIT 2, one DC-DC THE BOOST SWITCHING CIRCUIT 2 is connected with the 2nd DC-DC THE BOOST SWITCHING CIRCUIT 6, the connection on THE BOOST SWITCHING CIRCUIT 6 and charging quickly road 7.
As shown in Figure 2, charging input circuit 1 comprises input port (IN), the first resistance (R3), the second resistance R5, electric capacity C11 and metal-oxide-semiconductor Q3, the cathode output end of input port IN and the positive pole of described metal-oxide-semiconductor Q3 connect and compose current input terminal, first resistance R3, the second resistance R5, electric capacity C11 form input detection module, and its output is connected with central control circuit 3
One DC-DC THE BOOST SWITCHING CIRCUIT 2 comprises partial switch, lower partial switch and the first energy storage inductor 1L2; the input of described upper partial switch is connected with the output of charging input circuit 1; upper partial switch is connected with central control circuit 3 with the control end of lower partial switch; upper partial switch is connected with the first energy storage inductor 1L2 with the current output terminal of lower partial switch, and upper partial switch and lower partial switch alternate conduction coordinate with the first energy storage inductor 1L2 carries out charge or discharge to battery core protective circuit 5.
Central control circuit 3 comprises central controller U2, battery capacity indication lamp, standby current testing circuit, output control switch Q7 and button S1, the positive pole of battery capacity indication lamp is connected with charging input circuit 1, the negative pole of battery capacity indication lamp is connected with central controller U2, standby current testing circuit one end is connected with the input of USB output circuit 4, the other end is connected with central controller U2 and flows, the control end of output control switch Q7 is connected with central controller U2, the current input terminal of output control switch Q7 is connected with the current output terminal of USB output circuit 4, button S1 is connected with central controller U2.
Central control circuit 3 also comprises LED illumination lamp circuit, and the input of LED illumination lamp circuit is connected with the output of charging input circuit 1, and the control end of LED illumination lamp circuit is connected with central controller U2.
2nd DC-DC boosted switch 6 comprises the first boost control circuit 1U1, the second energy storage inductor 1L1, and the second energy storage inductor 1L1 is connected with the first energy storage inductor 1L2, and the second energy storage inductor 1L1 is connected with the first boost control circuit 1U1.
USB output circuit 4 comprises a USB output circuit, and a USB output circuit input is connected with the first DC-DC booster circuit 2 output, and a USB output circuit output is connected with central control circuit 3.
Charging quickly road 7 comprises the 2nd USB output circuit and the second boost control circuit 1U2, and the 2nd USB output circuit input is connected with the second DC-DC booster circuit 6 output, and described 2nd USB output circuit output is connected with the second boost control circuit 1U2.
The peripheral elements such as 1R1,1L1,1U1,1Q2,1C9,1C10 form the second DC-DC booster circuit 6.When central controller EN exports as high voltage, the first boost control circuit 1U1 starts normal work; When EN exports as low-voltage, the first boost control circuit 1U1 turns off and does not work.When first boost control circuit 1U1 normally works, No. two pin pin export PWM and control upper end synchro switch metal-oxide-semiconductor 1Q2 conducting and shutoff; When lower end synchro switch metal-oxide-semiconductor conducting (metal-oxide-semiconductor is inner at 1U1), 1Q2 turns off simultaneously, and electric current passes through 1R1,1L1,1U1 interior lower end MOS to ground, by electrical power storage in inductance 1L1 magnetic core; When lower end synchro switch metal-oxide-semiconductor turns off, 1Q2 conducting simultaneously, electric current passes through 1R1,1L1,1Q2,1C9,1C10 to ground, by electrical power storage in 1C9,1C10, can not be suddenlyd change by inductance 1L1 both end voltage, charging current be stoped to decline thus produce a back-emf, this back-emf and input voltage forward overlapped in series, thus reach and go up pressure object; Ten No. four pins of 1R6,1R7,1R8,1U1 form Voltage Feedback branch road; Six pin and 11 pin of 1R1,1U1 form current-limiting circuit.
The peripheral element structure charging quickly roads 7 such as 1U2, OUT2, No. seven pins of 1U2 and No. eight pins are by 2 pin of OUT2 and 3 pin, same device talk, as 1U2, to recognize equipment be that No. three pins of 1U2 when filling function soon can export is that a low-voltage is 1R10 one end ground connection, ten No. four pin voltage feedback branch resistance to earth of 1U1 are reduced, output voltage is risen to 9V from 5V, thus the object that the boosting reached is filled soon.
As shown in Figure 3, battery core protective circuit 5 comprises battery core BT1, field effect transistor Q1, Q2, chip U1, resistance R1, R2, electric capacity C1 and C2.The negative pole of battery core BT1 is connected with the pin 1,2,3 of field effect transistor Q1, the positive pole of battery core BT1 is connected with the VB port of a DC-DC THE BOOST SWITCHING CIRCUIT 2, and be connected with one end of resistance R1, the other end of resistance R1 is connected with the pin 5 of one end of electric capacity C1 and chip U1.The electric capacity C1 other end is connected with one end of electric capacity C2, the pin 6 of chip U1.The other end of electric capacity C2 is connected with the pin 1,2,3 of one end of resistance R2, field effect transistor Q2 and ground connection, and the other end of resistance R2 is connected with the pin 2 of chip U1.The pin 5,6,7,8 of field effect transistor Q1 is connected with the pin 5,6,7,8 of field effect transistor Q2.The pin 4 of field effect transistor Q1 is connected with the pin 1 of chip U1.The pin 4 of field effect transistor Q2 is connected with the pin 3 of chip U1.The model of field effect transistor Q1 is AP2R403G, Q2 is metal-oxide-semiconductor, and the model of chip U1 can be the DW01+ of the rich brilliant production of S-8261 or Taiwan that NSK is produced.
As shown in Fig. 4 to 10, U2 is MCU controller, U5 is drive singal reverser, Q4, Q5, Q6, Q7 are that transmitting coil bridge-type drives upper pipe partially, and Q8B, Q8A, Q9B, Q9A are transmitting coil bridge-type driven MOS pipe, and LED1, LED2 are signal lamp, U3 is current feedback amplifying circuit, U1 is output voltage control loop, and CN1 is power input port, and L2 and L3 connects transmitting coil.
When CN1 inserts the power supply of 5Vdc2A, 5Vdc voltage stabilizing is powered to 3.3Vdc to 9 pin of U2 by U4LDOLY7333, U2 opens work 13 and 14 pin, 16 and 17 pin export on Pulse Width Control Q4 and Q8A left arm and manage by setting sequential, manage under Q5 and Q8B left arm, pipe alternate conduction under the upper pipe of pipe Q7 and Q9A, Q6 and Q9B right arm on right arm, in L2 and L3 transmitting coil, produce sine-wave current, transmitting coil converts electric energy to wireless magnetic energy for emission to wireless receiving plate.Emission current is by R42, and in the voltage drop of R42 two ends product, amplified by U3B and U3A two, by 15 pin of current feedback control signal to U2, U2 debugs 13 and 14 pin again, 16 and 17 pin export pulse, and protective circuit voltage stabilizing works.By D1, output voltage signal is amplified 20 pin delivering to U2 through U1D, U1A secondary at L3, U2 debugs 13 and 14 pin again, 16 and 17 pin export pulse, and protective circuit voltage stabilizing works.
One of them USB port of the utility model wireless charging portable power source has QC2.0 quick-charge function (5V/9V), is also provided with wireless charging module.Can carry out overcharging, cross put, the charging of overcurrent, short-circuit protection, battery and boosting, large charging or discharging current and high conversion efficiency; and realize the functions such as low standby power loss, electricity quantity inquiring, highlighted LED illumination, the preferential electricity consumption of equipment, wireless charging, charging, boosting, managing electric quantity three-in-one wireless charging portable power source scheme are provided.
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 (8)
1. wireless charging portable power source, it is characterized in that: comprise charging input circuit (1), one DC-DC THE BOOST SWITCHING CIRCUIT (2), for the central control circuit (3) of charge and discharge control, USB output circuit (4), battery core protective circuit (5), 2nd DC-DC THE BOOST SWITCHING CIRCUIT (6), charging quickly road (7) and wireless charging module (8), the output of described charging input circuit (1) is connected with the input of a DC-DC THE BOOST SWITCHING CIRCUIT (2), the output of a described DC-DC THE BOOST SWITCHING CIRCUIT (2) is connected with the input of USB output circuit (4), described central control circuit (3) is connected with a DC-DC THE BOOST SWITCHING CIRCUIT (2) and USB output circuit (4), described battery core protective circuit (5) is connected with a DC-DC THE BOOST SWITCHING CIRCUIT (2), a described DC-DC THE BOOST SWITCHING CIRCUIT (2) is connected with the 2nd DC-DC THE BOOST SWITCHING CIRCUIT (6), the connection on described 2nd DC-DC THE BOOST SWITCHING CIRCUIT (6) and charging quickly road (7), described wireless charging module (8) is connected with central control circuit (3).
2. wireless charging portable power source according to claim 1, it is characterized in that, described charging input circuit (1) comprises input port (IN), the first resistance (R3), the second resistance (R5), electric capacity (C11) and metal-oxide-semiconductor (Q3), the cathode output end of described input port (IN) and the positive pole of described metal-oxide-semiconductor (Q3) connect and compose current input terminal, described first resistance (R3), the second resistance (R5), electric capacity (C11) form input detection module, and its output is connected with central control circuit (3).
3. wireless charging portable power source according to claim 1, it is characterized in that: a described DC-DC THE BOOST SWITCHING CIRCUIT (2) comprises partial switch, lower partial switch and the first energy storage inductor (1L2), the input of described upper partial switch is connected with the output of charging input circuit (1), described upper partial switch is connected with central control circuit (3) with the control end of lower partial switch, described upper partial switch is connected with the first energy storage inductor (1L2) with the current output terminal of lower partial switch, described upper partial switch and lower partial switch alternate conduction coordinate with the first energy storage inductor (1L2) carries out charge or discharge to battery core protective circuit (5).
4. wireless charging portable power source according to claim 1, it is characterized in that: described central control circuit (3) comprises central controller (U2), battery capacity indication lamp, standby current testing circuit, output control switch (Q7) and button (S1), the positive pole of described battery capacity indication lamp is connected with charging input circuit (1), the negative pole of described battery capacity indication lamp is connected with central controller (U2), described standby current testing circuit one end is connected with the input of USB output circuit (4), the other end is connected with central controller (U2) and flows, the control end of described output control switch (Q7) is connected with central controller (U2), the current input terminal of described output control switch (Q7) is connected with the current output terminal of USB output circuit (4), described button (S1) is connected with central controller (U2).
5. wireless charging portable power source according to claim 4, it is characterized in that: described central control circuit (3) also comprises LED illumination lamp circuit, the input of described LED illumination lamp circuit is connected with the output of charging input circuit (1), and the control end of described LED illumination lamp circuit is connected with central controller (U2).
6. wireless charging portable power source according to claim 3, it is characterized in that: described 2nd DC-DC boosted switch (6) comprises the first boost control circuit (1U1), the second energy storage inductor (1L1), described second energy storage inductor (1L1) is connected with the first energy storage inductor (1L2), and described second energy storage inductor (1L1) is connected with the first boost control circuit (1U1).
7. wireless charging portable power source according to claim 1, it is characterized in that: described USB output circuit (4) comprises a USB output circuit, a described USB output circuit input is connected with the first DC-DC booster circuit (2) output, and a described USB output circuit output is connected with central control circuit (3).
8. wireless charging portable power source according to claim 1, it is characterized in that: described charging quickly road (7) comprises the 2nd USB output circuit and the second boost control circuit (1U2), described 2nd USB output circuit input is connected with the second DC-DC booster circuit (6) output, and described 2nd USB output circuit output is connected with the second boost control circuit (1U2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520504815.3U CN204794216U (en) | 2015-07-13 | 2015-07-13 | Wireless portable power source that charges |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520504815.3U CN204794216U (en) | 2015-07-13 | 2015-07-13 | Wireless portable power source that charges |
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| CN204794216U true CN204794216U (en) | 2015-11-18 |
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| CN201520504815.3U Active CN204794216U (en) | 2015-07-13 | 2015-07-13 | Wireless portable power source that charges |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116316943A (en) * | 2022-12-14 | 2023-06-23 | 珠海英集芯半导体有限公司 | Control method for realizing movable wireless charging and non-light load shutdown by time division multiplexing |
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2015
- 2015-07-13 CN CN201520504815.3U patent/CN204794216U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116316943A (en) * | 2022-12-14 | 2023-06-23 | 珠海英集芯半导体有限公司 | Control method for realizing movable wireless charging and non-light load shutdown by time division multiplexing |
| CN116316943B (en) * | 2022-12-14 | 2023-11-14 | 珠海英集芯半导体有限公司 | Control method for realizing movable wireless charging and non-light load shutdown by time division multiplexing |
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