CN203481855U - Portable power supply device - Google Patents
Portable power supply device Download PDFInfo
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- CN203481855U CN203481855U CN201320467467.8U CN201320467467U CN203481855U CN 203481855 U CN203481855 U CN 203481855U CN 201320467467 U CN201320467467 U CN 201320467467U CN 203481855 U CN203481855 U CN 203481855U
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Abstract
The utility model discloses a portable power supply device comprising an input interface unit (10), an input control unit (20), a battery (30), a charging current detection unit (301), a switch unit (40), an output control unit (50), an output interface unit (60), an output current detection unit (601) and a microcontroller (U5), wherein the input interface unit (10), the input control unit (20), the battery (30), the switch unit (40) and the output control unit (50) are successively connected and all connected with the microcontroller (U5), and the input interface unit (10) is also connected with the output interface unit (60) connected with an external load. The portable power supply device has the beneficial effects that the microcontroller is used, voltage and current operating parameters and the like when the batter is charged by an external power source and the external load is powered by the battery are monitored, the operating parameters are adjusted in real time according to actual requirements, voltage and current flexible control and protection are achieved, various different voltages can be output according to actual requirements, and the portable power supply device can be used flexibly and conveniently.
Description
Technical field
The utility model relates to field of power supplies, more particularly, relates to a kind of portable power source device.
Background technology
Portable power source is a kind of portable charger that integrates power supply and charge function, and it can charge or standby power supply whenever and wherever possible to digital equipments such as mobile phones.
In existing most of portable power sources, all adopt the state of the internal charging of integrated hardware IC monitoring and external powering load, controller is only made simple judgement and switch process according to this, therefore conventionally can only export the supply power voltage of one or several fixed numbers, can not carry out real-time Flexible Control to the supply power voltage of battery charge and powering load, therefore cannot meet needs in application exports different voltage, and flexibility and changeability is not high.
Utility model content
The technical problems to be solved in the utility model is, in view of the foregoing defects the prior art has, provides a kind of portable power source device.
The utility model solves the technical scheme that its technical problem adopts: construct a kind of portable power source device, comprise input interface unit, Input Control Element, battery, charging current detecting unit, switch element, output control unit, output interface unit, output electric current measure unit and microcontroller.
Wherein, described input interface unit, Input Control Element, battery, switch element, output control unit and output interface unit connect successively, described input interface unit, Input Control Element, battery, switch element, output control unit are all connected with described microcontroller, and described input interface unit also connects with the output interface unit that is connected external loading; Described input interface unit is for being connected with external power source, the voltage transitions that external power source is provided is the charging voltage for to described battery charging, it is described battery charging that described Input Control Element is used for controlling described charging voltage, the numerical value of described charging voltage is offered to described microcontroller simultaneously; Described switch element is for described battery and described output control unit are connected, and described output control unit, for controlling described battery output for the supply power voltage to external loading power supply, offers described microcontroller by the numerical value of described supply power voltage simultaneously.
Described charging current detecting unit is connected between described battery and described microcontroller, the charging current while giving described battery charging for detection of external power source, and the charging current numerical value detecting is offered to described microcontroller.
Described output electric current measure unit is connected between described output interface unit and described microcontroller, the supply current while powering to external loading for detection of described battery, and the supply current numerical value detecting is offered to described microcontroller.
Described microcontroller is for judging according to the numerical value of the numerical value of described charging voltage and described charging current whether described charging current needs to regulate, and export corresponding the first control signal when definite described charging current need to regulate, described the first control signal is transferred to described Input Control Element to regulate described charging current; Described microcontroller is also for judging according to the numerical value of the numerical value of described supply power voltage and described supply current whether described supply power voltage needs to regulate, and when need to regulating, exports definite described supply power voltage corresponding the second control signal, described the second control signal is transferred to described output control unit, to regulate described supply power voltage.
In above-mentioned portable power source device, described portable power source device also comprises with described microcontroller and being connected, for by the switch key of described microprocessor controls institute's switch element conducting and shutoff.
In above-mentioned portable power source device, described input interface unit also for external power source is connected with external loading, and is used described input interface unit directly external loading to be powered by described output interface unit with described output interface unit.
In above-mentioned portable power source device, described portable power source device also comprises with described microcontroller and being connected, for the LED lamp group of the battery capacity indication of described battery.
In above-mentioned portable power source device, described Input Control Element comprises the first resistance, the second resistance, the 3rd resistance, the 4th resistance, the first diode, the second diode, the first inductance, the first electric capacity, the first triode and PMOS pipe, wherein, one end of described the 3rd resistance is connected with one end of the 4th resistance with described microcontroller respectively, the other end of described the 3rd resistance is connected with the base stage of described the first triode, the other end of described the 4th resistance is connected with the emitter of described the first triode and while ground connection, the collector electrode of described the first triode is connected with one end of described the second resistance with the grid of a described PMOS pipe respectively, the other end of described the second resistance is connected with one end of described the first resistance with the source electrode of a described PMOS pipe respectively, the other end of described the first resistance respectively with the drain electrode of a described PMOS pipe and the anodic bonding of described the first diode, the negative electrode of described the first diode be not connected with the negative electrode of described the second diode with one end of described the first inductance, the other end of described the first inductance is connected with one end of described the first electric capacity with the positive pole of described battery respectively, the other end ground connection of described the first electric capacity, the plus earth of described the second diode.
In above-mentioned portable power source device, described switch element comprises the 2nd PMOS pipe and the 5th resistance, wherein, described the 2nd source electrode of PMOS pipe and the positive pole of described battery are connected, the grid of described the 2nd PMOS pipe is connected with one end of described the 5th resistance, and the other end of described the 5th resistance is connected with described microcontroller.
In above-mentioned portable power source device, described output control unit comprises the second electric capacity, the 3rd electric capacity, the 4th electric capacity, the first controllable accurate source of stable pressure, the second inductance, the 6th resistance, the 7th resistance, the 8th resistance, the 9th resistance, the 3rd diode, the 4th diode and NMOS pipe, wherein, one end of described the second electric capacity is connected with one end of described the second inductance with the drain electrode of described the 2nd PMOS pipe respectively, the other end ground connection of described the second electric capacity, the other end of described the second inductance respectively with the drain lead of a described NMOS pipe and the anodic bonding of described the 3rd diode, the source lead ground connection of a described NMOS pipe, the gate lead of a described NMOS pipe is connected with one end of described the 6th resistance, the other end of described the 6th resistance is connected with described microcontroller, the negative electrode of described the 3rd diode is connected with the negative electrode of described the 3rd electric capacity and described the 4th diode respectively, the other end ground connection of described the 3rd electric capacity, the plus earth of described the 4th diode, one end of described the 7th resistance is connected with one end of described the 9th resistance with the negative electrode of described the 3rd diode respectively, the other end of described the 7th resistance is connected with one end of described the 8th resistance with described microcontroller respectively, the other end ground connection of described the 8th resistance, the other end of described the 9th resistance respectively with described microcontroller, the negative electrode of one end of the 4th electric capacity and described the first controllable accurate source of stable pressure connects, the other end ground connection of described the 4th electric capacity, the plus earth of described controllable accurate source of stable pressure.
In above-mentioned portable power source device, the model of described the first controllable accurate source of stable pressure is TL431, and the model of a described NMOS pipe is FDC653N.
In above-mentioned portable power source device, described output interface unit comprises the 5th diode and the first USB interface, wherein, the power pins of described the first USB interface is connected with described output electric current measure unit with described the 3rd anode of diode and the grounding pin of described input interface unit respectively.
Implement portable power source device of the present utility model; there is following beneficial effect: adopt microcontroller; the running parameters such as voltage and current when monitoring external power source charges to battery and battery is powered by external loading; and according to actual needs these running parameters are regulated in real time; realize Flexible Control and the protection of voltage and current; and can export according to actual needs multiple different voltage, flexible and convenient to use.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the functional module block diagram of the portable power source device of the utility model preferred embodiment;
Fig. 2 is the circuit theory diagrams of the portable power source device store electrical energy of the utility model preferred embodiment and the critical piece of output electric energy;
Fig. 3 is that in Fig. 1, microcontroller U5 and LED lamp group show and the part schematic diagram of switch key.
Embodiment
For technical characterictic of the present utility model, object and effect being had more clearly, understand, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
Fig. 1 is the functional module block diagram of the portable power source device of the utility model preferred embodiment, comprises input interface unit 10, Input Control Element 20, battery 30, charging current detecting unit 301, switch element 40, output control unit 50, output interface unit 60, output electric current measure unit 601 and microcontroller U5.Wherein, one end of input interface unit 10 is connected with external power source, and the other end of input interface unit 10 connects with Input Control Element 20, the output interface unit 60 being connected with external loading and microcontroller U5 respectively.Input Control Element 20, battery 30, switch element 40, output control unit 50 and output interface unit 60 connect successively, and Input Control Element 20, battery 30, switch element 40 and output control unit 50 are all connected with microcontroller U5.One end of charging current detecting unit 301 is connected with battery 30, the other end of charging current detecting unit 301 is connected with microcontroller U5, one end of output electric current measure unit 601 is connected with output interface unit 60, the other end of output electric current measure unit 601 is connected with microcontroller U5, and output interface unit 60 is connected with external loading.
Wherein, input interface unit 10 is the charging voltage for to described battery 30 chargings for the voltage transitions that external power source is provided.Input Control Element 20 is that battery 30 charges for controlling described charging voltage.Switch element 40 is for connecting battery 30 and output control unit 50, output control unit 50 is for controlling battery 30 outputs for the supply power voltage of powering load, the data of supply power voltage are offered to microcontroller U5 simultaneously, charging current when charging current detecting unit 301 charges to battery 30 for detection of external power source, and the charging current numerical value detecting is offered to microcontroller U5.
Supply current when output electric current measure unit 601 powers to external loading for detection of battery 30, and the supply current numerical value detecting is offered to microcontroller U5.
Microcontroller U5 is for judging according to the numerical value of the numerical value of described charging voltage and described charging current whether described charging current needs to regulate, and when definite charging current need to regulate, export corresponding the first control signal, and the first control signal is transferred to Input Control Element 20 to regulate described charging current; Microcontroller U5 is also for judging according to the numerical value of the numerical value of described supply power voltage and described supply current whether described supply power voltage needs to regulate, and when need to regulating, exports definite supply power voltage corresponding the second control signal, and the second control signal is transferred to output control unit 50, to regulate described supply power voltage.
This portable power source device also comprises LED lamp group and the switch key being connected with described microcontroller U5 respectively, and LED lamp group is for the battery capacity indication of battery 30.Switch key is for when pushing button, and microcontroller U5 exports corresponding control signal control switch unit 40 in conducting state, and now battery 30 is connected with output control unit 50.
Preferably, when external power source and external loading access simultaneously, input interface unit 10 is directly connected with output interface unit 60, now use input interface unit 10 by output interface unit 50 directly power supply to external loading.
Fig. 2 is the portable power source device store electrical energy of the utility model preferred embodiment and the circuit theory diagrams of critical piece of output electric energy, comprises Input Control Element 20 for controlling portable power source store electrical energy, battery 30, charging current detecting unit 301, switch element 40, for controlling output control unit 50, output interface unit 60 and the output electric current measure unit 601 of portable power source output electric energy.For example, when access external power source (general household electric 220VAC), input interface unit 10 is converted to the charging voltage for charging to battery 30 by alternating current, and the charging voltage that Input Control Element 20 provides for control inputs interface unit 10 is charged to battery 30.When output interface unit 60 connects external loading, output control unit 50 is for controlling battery 30 to the supply power voltage of external loading power supply.Fig. 3 is that in Fig. 1, microcontroller U5 and LED lamp group show and the part schematic diagram of switch key, in conjunction with Fig. 2 and Fig. 3, one end of input interface unit 10 is connected with external power source, and the other end of input interface unit 10 is connected with the first detection port (being illustrated as AC CHECK), Input Control Element 20 and the output interface unit 60 of microcontroller U5.When external power supply, input interface unit 10 provides charging voltage VCC to Input Control Element 20, and when externally power supply and external loading access simultaneously, input interface unit 10 directly provides charging voltage VCC to external loading by output interface unit 60.
Output electric current measure unit 601 comprises capacitor C 13 and resistance R 16 and R17.Wherein, the earth terminal of USB interface P2 is connected with one end of resistance R 17 with one end of resistance R 16 respectively, the other end of resistance R 17 is connected with one end of capacitor C 13 with the second output port (being illustrated as I OUT port) of microcontroller U5 respectively, and the other end of capacitor C 13 is connected with the other end of resistance R 16 and ground connection.
Wherein, PMOS pipe Q1 and Q2 can be existing MT2301, and NMOS pipe U4 has boosting simultaneously, can be existing FDC653N, and controllable accurate source of stable pressure U6, for regulated output voltage, can be existing TL431.As long as microcontroller U5 has the MCU(micro-control unit of PWM function and I/O output low and high level characteristic) all can, existing BJ8P162AND for example.Fig. 3 is that in Fig. 1, microcontroller U5 and LED lamp group show and the part schematic diagram of switch key, comprises resistance R 23～R27, diode D8～D11, switch key S1.Wherein, diode D8～D11 is light-emitting diode, is mainly used in the battery capacity indication of lithium battery BT1.
Referring to Fig. 1～Fig. 4, the internal store electrical energy some work principle of now introducing this portable power source device is as follows:
1) when the first detection port of microcontroller U5 has detected voltage input, be that input interface unit 10 is connected with external power source, now the first pulse width modulation port of microcontroller U5 is exported the first control signal (the present embodiment is PWM1 signal), described the first control signal is transferred to Input Control Element 20, thereby the conducting of triode Q1 and shutoff in control inputs control unit 20, and then conducting and the turn-off time of control PMOS pipe Q2, a constant voltage values of drain electrode output at PMOS pipe Q2, and by after the effects such as filtering, lithium battery BT1 is charged,
2) by adjusting the duty ratio of PWM1, thereby control conducting and the turn-off time of PMOS pipe Q2, the different constant voltage values of charging control unit 20 output, thereby progressively improve the charging current of lithium battery BT1, take common batteries as example, default charging current value is 800mA, by the second detection port of microcontroller U5, detect the charging current value of battery, when the charging current value detecting when the second detection port reaches 800mA, microcontroller U5 FEEDBACK CONTROL is adjusted the duty ratio of PWM1, make it be stabilized in preset value, now enter constant current charge state;
3) in constant current charge, by microcontroller U5, detect in real time the voltage VBAT of lithium battery BT1, when reaching setting voltage value, it (take common batteries as example, as 4.2V) after, by microcontroller U5, adjust PWM1 duty ratio, now no longer with current constant mode, control, and keep constant voltage mode to input it with lithium battery BT1;
4) when the first detection port of microcontroller U5 has not detected voltage input, input interface unit 10 is not connected with external power source, now should close PWM1 output, enters battery saving mode.
The external output electric energy some work principle of this portable power source device is as follows:
1) S1 that pushes button, the OUT EN port of microcontroller U5 is that output enable port is opened, now PMOS pipe Q1 is in conducting state, lithium battery BT1 and output control unit 50 are connected, simultaneously the second output port of microcontroller U5 for detection of lithium battery BT1 the supply current during to load supplying, when electric current having been detected, be that USB interface P2 has insertion external loading (such as battery of mobile phone etc.), now microcontroller U5 exports the second control signal (the present embodiment is PWM2) at the second pulse width modulation port, described the second control signal is transferred to output control unit 50, by controlling conducting and the turn-off time of NMOS pipe U4, in the drain electrode of NMOS pipe N4, export constant voltage values,
2) supply power voltage when the first output port detection lithium battery BT1 of microcontroller U5 powers to external loading simultaneously, and by regulating in real time the duty ratio of PWM2, make the different constant voltage values of output control unit 50 output, thereby make supply power voltage reach default supply power voltage value and (take battery of mobile phone as example, as 5V), and can, according to different requirements, export different supply power voltage values;
3), when the supply current detecting when the second output port of microcontroller U5 is greater than protective current value (as 1.3A), in overload, now should close in time PWM2;
4) when the supply current detecting when the second output port of microcontroller U5 is trickle output, enter the full state that fills, now microcontroller U5 is by regulating PWM2 duty ratio, stream output is fallen, when the supply current detecting at the second output port of microcontroller U5 is less than electric current (as 1A) is set, for saving battery, close PWM2, enter battery saving mode.
In above-mentioned steps, if microcontroller U5 detects external power source and external loading accesses simultaneously, can be according to different requirements, close PWM1 and PWM2 output simultaneously, in the mode leading directly to, externally export, be that input interface unit 10 is directly connected with output interface unit 60, external loading is directly by 10 power supplies of output interface unit.
By reference to the accompanying drawings embodiment of the present utility model is described above; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not departing from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.
Claims (8)
1. a portable power source device, it is characterized in that, comprise input interface unit (10), Input Control Element (20), battery (30), charging current detecting unit (301), switch element (40), output control unit (50), output interface unit (60), output electric current measure unit (601) and microcontroller (U5);
Wherein, described input interface unit (10), Input Control Element (20), battery (30), switch element (40), output control unit (50) and output interface unit (60) connect successively, described input interface unit (10), Input Control Element (20), battery (30), switch element (40), output control unit (50) are all connected with described microcontroller (U5), and described input interface unit (10) also connects with the output interface unit (60) that is connected external loading; Described input interface unit (10) is for being connected with external power source, the voltage transitions that external power source is provided is the charging voltage for to described battery (30) charging, described Input Control Element (20) is described battery (30) charging for controlling described charging voltage, the numerical value of described charging voltage is offered to described microcontroller (U5) simultaneously; Described switch element (40) is for connecting described battery (30) and described output control unit (50), described output control unit (50), for controlling described battery (30) output for the supply power voltage to external loading power supply, offers the numerical value of described supply power voltage described microcontroller (U5) simultaneously;
Described charging current detecting unit (301) is connected between described battery (30) and described microcontroller (U5), charging current while giving described battery (30) charging for detection of external power source, and the charging current numerical value detecting is offered to described microcontroller (U5);
Described output electric current measure unit (601) is connected between described output interface unit (60) and described microcontroller (U5), supply current while powering to external loading for detection of described battery (30), and the supply current numerical value detecting is offered to described microcontroller (U5);
Described microcontroller (U5) is for judging according to the numerical value of the numerical value of described charging voltage and described charging current whether described charging current needs to regulate, and export corresponding the first control signal when definite described charging current need to regulate, described the first control signal is transferred to described Input Control Element (20) to regulate described charging current; Described microcontroller (U5) is also for judging according to the numerical value of the numerical value of described supply power voltage and described supply current whether described supply power voltage needs to regulate, and when need to regulating, exports definite described supply power voltage corresponding the second control signal, described the second control signal is transferred to described output control unit (50), to regulate described supply power voltage.
2. portable power source device according to claim 1, it is characterized in that, described input interface unit (10) also for external power source is connected with external loading, and is used described input interface unit (10) directly external loading to be powered by described output interface unit (60) with described output interface unit (60).
3. portable power source device according to claim 1, is characterized in that, described portable power source device also comprises with described microcontroller (U5) and being connected, for the LED lamp group of the battery capacity indication of described battery (30).
4. portable power source device according to claim 1, it is characterized in that, described Input Control Element (20) comprises the first resistance (R10), the second resistance (R12), the 3rd resistance (R18), the 4th resistance (R21), the first diode (D4), the second diode (D7), the first inductance (L2), the first electric capacity (C9), the first triode (Q3) and PMOS pipe (Q2), wherein, one end of described the 3rd resistance (R18) is connected with one end of the 4th resistance (R21) with described microcontroller (U5) respectively, the other end of described the 3rd resistance (R18) is connected with the base stage of described the first triode (Q3), the other end of described the 4th resistance (R21) is connected with the emitter of described the first triode (Q3) and while ground connection, the collector electrode of described the first triode (Q3) is connected with one end of described the second resistance (R12) with the grid of a described PMOS pipe (Q2) respectively, the other end of described the second resistance (R12) is connected with one end of described the first resistance (R10) with the source electrode of a described PMOS pipe (Q2) respectively, the other end of described the first resistance (R10) is managed the drain electrode of (Q2) and the anodic bonding of described the first diode (D4) with a described PMOS respectively, the negative electrode of described the first diode (D4) is connected with the negative electrode of described the second diode (D7) with one end of described the first inductance (L2) respectively, the other end of described the first inductance (L2) is connected with one end of described the first electric capacity (C9) with the positive pole of described battery (30) respectively, the other end ground connection of described the first electric capacity (C9), the plus earth of described the second diode (D7).
5. portable power source device according to claim 1, it is characterized in that, described switch element (40) comprises the 2nd PMOS pipe (Q1) and the 5th resistance (R13), wherein, the source electrode of described the 2nd PMOS pipe (Q1) is connected with the positive pole of described battery (30), the grid of described the 2nd PMOS pipe (Q1) is connected with one end of described the 5th resistance (R13), and the other end of described the 5th resistance (R13) is connected with described microcontroller (U5).
6. portable power source device according to claim 5, it is characterized in that, described output control unit (50) comprises the second electric capacity (C10), the 3rd electric capacity (C11), the 4th electric capacity (C15), the first controllable accurate source of stable pressure (U6), the second inductance (L3), the 6th resistance (R15), the 7th resistance (R11), the 8th resistance (R20), the 9th resistance (R22), the 3rd diode (D5), the 4th diode (D6) and NMOS pipe (U4), wherein, one end of described the second electric capacity (C10) is connected with one end of described the second inductance (L3) with the drain electrode of described the 2nd PMOS pipe (Q1) respectively, the other end ground connection of described the second electric capacity (C10), the other end of described the second inductance (L3) is managed the drain lead of (U4) and the anodic bonding of described the 3rd diode (D5) with a described NMOS respectively, the source lead ground connection of a described NMOS pipe (U4), the gate lead of a described NMOS pipe (U4) is connected with one end of described the 6th resistance (R15), the other end of described the 6th resistance (R15) is connected with described microcontroller (U5), the negative electrode of described the 3rd diode (D5) is connected with the negative electrode of described the 3rd electric capacity (C11) and described the 4th diode (D6) respectively, the other end ground connection of described the 3rd electric capacity (C11), the plus earth of described the 4th diode (D6), one end of described the 7th resistance (R11) is connected with one end of described the 9th resistance (R22) with the negative electrode of described the 3rd diode (D5) respectively, the other end of described the 7th resistance (R11) is connected with one end of described the 8th resistance (R20) with described microcontroller (U5) respectively, the other end ground connection of described the 8th resistance (R20), the other end of described the 9th resistance (R22) respectively with described microcontroller (U5), the negative electrode of one end of the 4th electric capacity (C15) and described the first controllable accurate source of stable pressure (U6) connects, the other end ground connection of described the 4th electric capacity (C15), the plus earth of described controllable accurate source of stable pressure (U6).
7. portable power source device according to claim 6, is characterized in that, the model of described the first controllable accurate source of stable pressure (U6) is TL431, and the model of a described NMOS pipe (U4) is FDC653N.
8. portable power source device according to claim 6, it is characterized in that, described output interface unit (60) comprises the 5th diode (D3) and the first USB interface (P2), wherein, the power pins of described the first USB interface (P2) is connected with the negative electrode of described the 3rd diode (D5) and the negative electrode of described the 5th diode (D3) respectively, the anode of described the 5th diode (D3) is connected with described input interface unit (10), and the grounding pin of described the first USB interface (P2) is connected with described output electric current measure unit (601).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467467.8U CN203481855U (en) | 2013-08-01 | 2013-08-01 | Portable power supply device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320467467.8U CN203481855U (en) | 2013-08-01 | 2013-08-01 | Portable power supply device |
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| CN201320467467.8U Expired - Fee Related CN203481855U (en) | 2013-08-01 | 2013-08-01 | Portable power supply device |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410114A (en) * | 2014-11-03 | 2015-03-11 | 辅容 | Mobile power source |
| TWI574139B (en) * | 2015-11-24 | 2017-03-11 | 群光電能科技股份有限公司 | Power adapter with power saving mode |
| CN107171375A (en) * | 2016-03-08 | 2017-09-15 | 中兴通讯股份有限公司 | Charging equipment and system |
| CN109245188A (en) * | 2017-07-10 | 2019-01-18 | 深圳市爱克斯达电子有限公司 | A kind of charging unit and the discharge source path management method when filling |
| CN109995107A (en) * | 2019-03-29 | 2019-07-09 | 联想(北京)有限公司 | A kind of detection device |
-
2013
- 2013-08-01 CN CN201320467467.8U patent/CN203481855U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104410114A (en) * | 2014-11-03 | 2015-03-11 | 辅容 | Mobile power source |
| CN104410114B (en) * | 2014-11-03 | 2017-10-24 | 广东品能实业股份有限公司 | Mobile power supply |
| TWI574139B (en) * | 2015-11-24 | 2017-03-11 | 群光電能科技股份有限公司 | Power adapter with power saving mode |
| US9899858B2 (en) | 2015-11-24 | 2018-02-20 | Chicony Power Technology Co., Ltd. | Power adapter with power saving mode and power-saving method for power adapter |
| CN107171375A (en) * | 2016-03-08 | 2017-09-15 | 中兴通讯股份有限公司 | Charging equipment and system |
| CN109245188A (en) * | 2017-07-10 | 2019-01-18 | 深圳市爱克斯达电子有限公司 | A kind of charging unit and the discharge source path management method when filling |
| CN109245188B (en) * | 2017-07-10 | 2024-01-19 | 深圳市爱克斯达电子有限公司 | Charging device and charging and discharging source path management method |
| CN109995107A (en) * | 2019-03-29 | 2019-07-09 | 联想(北京)有限公司 | A kind of detection device |
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