CN103023081A - Mobile power supply with electric quantity detection function - Google Patents
Mobile power supply with electric quantity detection function Download PDFInfo
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- CN103023081A CN103023081A CN2011102963382A CN201110296338A CN103023081A CN 103023081 A CN103023081 A CN 103023081A CN 2011102963382 A CN2011102963382 A CN 2011102963382A CN 201110296338 A CN201110296338 A CN 201110296338A CN 103023081 A CN103023081 A CN 103023081A
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Abstract
The invention discloses a mobile power supply with an electric quantity detection function. The mobile power supply comprises a shell, and a circuit board and a rechargeable battery which are arranged inside the shell, wherein the circuit board comprises a protection circuit, a boosted circuit, a charging circuit and an electric quantity detection circuit for detecting charging and discharging electric quantities; the protection circuit is in bidirectional connection with the rechargeable battery; the input end of the protection circuit is connected with the charging circuit, and the output end of the protection circuit is connected with the boosted circuit and the electric quantity detection circuit respectively; a charging interface, more than one discharging interface, a charging and discharging electric quantity detection control switch and a plurality of charging and discharging electric quantity indicator lamps are arranged on the shell; the charging interface and the more than one discharging interface are respectively connected with the charging circuit and the boosted circuit; and the plurality of charging and discharging electric quantity indicator lamps and the charging and discharging electric quantity detection control switch are connected with the electric quantity detection circuit. The mobile power supply disclosed by the invention has the additional function of displaying the electric quantity of the mobile power supply on the basis of the functions of supplying electricity to and charging an electronic product.
Description
Technical field
The present invention relates to a kind of supply unit that discharges and recharges, relate in particular to a kind of Portable power source that can show charge/discharge electricity amount.
Background technology
The patent No. be ZL201020645727.2 disclosure of the Invention a kind of portable power source, comprise single-chip microcomputer, output control circuit, lithium battery, large electric current moment output module, described output control circuit links to each other with lithium battery with described single-chip microcomputer respectively, described large electric current moment output module comprises the High-current output unit that links to each other with described output control circuit and the detecting voltage wakeup unit that links to each other with described High-current output unit, described High-current output unit is used for linking to each other with power consumption equipment, and described detecting voltage wakeup unit links to each other with described single-chip microcomputer; Described detecting voltage wakeup unit comprises that for the power consumption equipment voltage detection unit that checks power consumption equipment voltage, described power consumption equipment voltage detection unit is according to the power supply state of the described High-current output of the voltage control unit that detects.The portable power source of prior art can only charge to digital electronic goods, namely can not possess the function of simultaneously a plurality of digital electronic goods being charged.
Summary of the invention
For the deficiencies in the prior art, the invention provides and a kind ofly can and can show the portable power source of electric weight for electronic product charging.
The technical solution adopted for the present invention to solve the technical problems is:
A kind of portable power source with electric quantity detection function comprises housing, is installed in circuit board and chargeable battery in the housing, and described circuit board comprises protective circuit, booster circuit, charging circuit and for detection of the electric quantity detecting circuit of charge and discharge electric weight; Described protective circuit is connected with chargeable battery is two-way, and the input of described protective circuit connects described charging circuit, and its output connects respectively described booster circuit and electric quantity detecting circuit; Be provided with charging inlet on the described housing, the interface that discharges more than, charge/discharge electricity amount detects control switch and a plurality of charge/discharge electricity amount indicator light, described charging inlet with is connected more than the discharge interface be connected with booster circuit with described charging circuit respectively, described a plurality of charge/discharge electricity amount indicator lights are connected control switch and connect described electric quantity detecting circuit with charge/discharge electricity amount.
Described a plurality of charge/discharge electricity amount indicator light comprises linearly aligned LED lamp more than 2, and described LED lamp is respectively equipped with lampshade.
Described charge/discharge electricity amount detects control switch and implements switch control by control button.
Preferably, described lampshade composite is rendered as the circle that is arranged in order from small to large.
Preferably, described detection control switch and described LED lamp linear are arranged on the circuit board; Described control button and described lampshade composite are rendered as the circle that is arranged in order from small to large.
Preferably, described LED lamp is red/blue dual-colored LED lamp.
Preferably, the quantity of described LED lamp is 4.
One charging inlet and two discharge interfaces are set on the described housing.
Preferably, described chargeable battery is selected lithium battery.
Compared with prior art, the portable power source with electric quantity detection function of the present invention has following useful technique effect: can charge to a plurality of electronic products simultaneously, but also lively intuitively detection and the demonstration of charge/discharge electricity amount is provided.
Description of drawings
Fig. 1 is the functional-block diagram that the present invention has the portable power source of electric quantity detection function;
Fig. 2 is the decomposing state structural representation of the portable power source of the present invention with electric quantity detection function;
Fig. 3 is conducting strip that the present invention has a portable power source of the electric quantity detection function stereogram when facing up;
Fig. 4 is the stereogram of lower house up time of the portable power source of the present invention with electric quantity detection function;
Fig. 5 is the circuit diagram that the present invention has the portable power source of electric quantity detection function.
Embodiment
The present invention will be further described below in conjunction with the drawings and specific embodiments.
As shown in Figures 1 to 4, Multifunctional portable power source of the present invention, comprise housing 1, be installed in circuit board 2 and chargeable battery 3 in the housing 1, described circuit board 2 comprises protective circuit 21, booster circuit 22, charging circuit 23 and for detection of the electric quantity detecting circuit 24 of described chargeable battery 3 electric weight; Described protective circuit 21 and 3 two-way connections of chargeable battery, the input of described protective circuit 21 connects described charging circuit 23, and its output connects respectively described booster circuit 22 and electric quantity detecting circuit 24; Described circuit board 2 also is provided with the indicator light 241 that shows electric quantity detecting circuit 24 testing results and the detection control switch 242 of opening or cutting out indicator light 241, indicator light 241 be connected control switch 242 and connect with electric quantity detecting circuit 24 respectively and be connected.Chargeable battery 3 is selected lithium battery.
Described indicator light 241 comprises 4 linearly aligned LED lamps 2411, and described detection control switch 242 and described LED lamp 2411 linear array are on circuit board 2.Described LED lamp 2411 is red/blue dual-colored LED lamp.Position corresponding to described LED lamp 2411 on the described housing 1 is respectively equipped with lampshade 13.Housing 1 is provided with and the control button 14 that detects control switch 242 and be connected.Described control button 14 is rendered as the circle that is arranged in order from small to large with described lampshade 13 combinations.
This portable power source with electric quantity detection function comprises 1 charging inlet 25 and 2 discharge interfaces 26; Described charging inlet 25 is installed on the housing 1 and is connected with charging circuit 23, and described discharge interface 26 is installed on the housing 1 and is connected with booster circuit (22).Described housing 1 comprises upper shell 11 and the lower house 12 of mutual clamping.Charging inlet 25 is the MICRO USB interface.Discharge interface 26 is USB interface.
The operation principle of Multifunctional portable power source of the present invention is described below in conjunction with Fig. 1 and Fig. 5.
Charge Management:
Chargeable battery 3 is charged by U1 through charging inlet 25 during charging; chargeable battery 3 voltages are when 3.0-4.1V; U9 starts charging automatically, U9 Automatic Start Interrupt charging circuit when being charged to chargeable battery 3 voltage 4.2V, stop to charge play the protection chargeable battery 3 effect.
Booster circuit:
When chargeable battery 3 voltages during at 3.0-4.2V, the inner frequency of oscillation that produces 500-700HZ of U3, Q21 is under the effect of this switching frequency, the L13 inductance produces high-frequency impulse in the process of discharge and energy storage, produce a direct voltage output during through U3, through R38, R39 dividing potential drop feedback, provide and stablize the 5V Voltage-output for the digital equipment charging.
Electric weight detects:
From small to large successively flicker of red LED lantern festival when charging, until it is entirely bright to fill full rear 4 lamps, after delaying time 10 minutes, all lamp extinguishes again.The blue led lamp lights when external load discharges, and along with the time growth of discharge, lantern festival is extinguished from big to small successively, until be discharged.When chargeable battery 3 voltages hanged down to 3.3V when discharge, LED lantern festival flash red came prompting user please in time to charge.
The state of LED lamp when discharging and recharging:
| ? | 1 lamp is bright | 2 lamps are bright | 3 lamps are bright | 4 lamps are bright |
| During charging | 0-25% | 26-50% | 51-75% | 76-100% |
| During discharge | 0-25% | 26-50% | 51-75% | 76-100% |
Protective circuit:
Protective circuit can play chargeable battery 3 second protection effects when other safeguard measures lose efficacy, prevent the danger because chargeable battery 3 overcharges, mistake is put, short circuit causes, concrete principle: 1) over-charge protective: when charging, when chargeable battery 3 voltages are raised to 4.25V, the action of U1 internal comparator, the 3P level of U1 drags down, and the 5P of U2 is low level, cause inner MOSFET to turn-off, stop charging; 2) Cross prevention: when connecting load, discharge, when chargeable battery 3 discharges into voltage 3.0V, the action of U1 internal comparator, the 3P level of U1 drags down, and the 4P of U2 is low level, causes inner MOSFET to turn-off, and stops discharge.3) overcurrent short-circuit protection: when external loading short circuit or electric current are excessive; the input of U2 and output pressure drop increase; when voltage difference during greater than 80mV; the action of U1 internal comparator; the 3P level of U1 drags down, and the 4P of U2 is low level, causes inner MOSFET to turn-off; stop discharge, play a protective role.
Above-described embodiment is the preferred embodiment for the present invention, and all its principles are identical with present embodiment or approximate with basic structure, all within protection range of the present invention.
Claims (9)
1. portable power source with electric quantity detection function, comprise housing (1), be installed in circuit board (2) and chargeable battery (3) in the housing (1), it is characterized in that: described circuit board (2) comprises protective circuit (21), booster circuit (22), charging circuit (23) and for detection of the electric quantity detecting circuit (24) of charge and discharge electric weight;
Described protective circuit (21) connects described charging circuit (23) with two-way connection of chargeable battery (3), the input of described protective circuit (21), and its output connects respectively described booster circuit (22) and electric quantity detecting circuit (24);
Be provided with charging inlet (25) on the described housing (1), the interface (26) that discharges more than, charge/discharge electricity amount detects control switch (242) and a plurality of charge/discharge electricity amount indicator light (241), described charging inlet (25) with is connected more than the interface (26) that discharges be connected 22 with described charging circuit (23) with booster circuit respectively) be connected, described a plurality of charge/discharge electricity amount indicator lights (241) are connected control switch (242) and connect described electric quantity detecting circuit (24) with charge/discharge electricity amount.
2. the portable power source with electric quantity detection function according to claim 1, it is characterized in that: described a plurality of charge/discharge electricity amount indicator lights (241) comprise linearly aligned LED lamp (2411) more than 2, and described LED lamp (2411) is respectively equipped with lampshade (13).
3. the portable power source with electric quantity detection function according to claim 2 is characterized in that: described charge/discharge electricity amount detects control switch (242) and implements switch control by control button (14).
4. the portable power source with electric quantity detection function according to claim 3 is characterized in that: described lampshade (13) combination is rendered as the circle that is arranged in order from small to large.
5. the portable power source with electric quantity detection function according to claim 4 is characterized in that: described detection control switch (242) and described LED lamp (2411) linear array are on circuit board (2); Described control button (14) is rendered as the circle that is arranged in order from small to large with described lampshade (13) combination.
6. the described portable power source with electric quantity detection function of any one according to claim 2-5, it is characterized in that: described LED lamp (2411) is red/blue dual-colored LED lamp.
7. the portable power source with electric quantity detection function according to claim 6, it is characterized in that: the quantity of described LED lamp (2411) is 4.
8. the described portable power source with electric quantity detection function of any one is characterized in that: a charging inlet (25) and two discharge interfaces (26) are set on the described housing (1) according to claim 1-5.
9. the described portable power source with electric quantity detection function of any one according to claim 1-5, it is characterized in that: described chargeable battery (3) is selected lithium battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102963382A CN103023081A (en) | 2011-09-27 | 2011-09-27 | Mobile power supply with electric quantity detection function |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102963382A CN103023081A (en) | 2011-09-27 | 2011-09-27 | Mobile power supply with electric quantity detection function |
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| CN103023081A true CN103023081A (en) | 2013-04-03 |
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| CN2011102963382A Pending CN103023081A (en) | 2011-09-27 | 2011-09-27 | Mobile power supply with electric quantity detection function |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746414A (en) * | 2013-12-06 | 2014-04-23 | 北京中友伟皓科技发展有限公司 | Large-current starting power supply equipment |
| CN103812197A (en) * | 2014-03-04 | 2014-05-21 | 深圳市华宝新能源有限公司 | Mobile power supply |
| CN103872742A (en) * | 2014-04-04 | 2014-06-18 | 施爱龙 | Charging and power supplying two-in-one mobile power supply and power supply management method |
| CN104967170A (en) * | 2015-07-03 | 2015-10-07 | 深圳罗马仕科技有限公司 | Power bank |
| CN105510841A (en) * | 2015-12-30 | 2016-04-20 | 中国科学院深海科学与工程研究所 | System for online monitoring and managing electric quantity of underwater equipment power supply |
| CN105914845A (en) * | 2016-06-29 | 2016-08-31 | 深圳市科乐科技有限公司 | Multifunctional HUB with mobile power supply |
| CN105958596A (en) * | 2016-06-22 | 2016-09-21 | 南通绿业中试技术研究院有限公司 | Hand-operated mobile power supply for supercapacitor |
| WO2016149999A1 (en) * | 2015-03-25 | 2016-09-29 | 深圳市华宝新能源有限公司 | Mobile power supply |
| US10525832B2 (en) | 2013-12-06 | 2020-01-07 | SZ DJI Technology Co., Ltd. | Battery and unmanned aerial vehicle with the battery |
| WO2020124327A1 (en) * | 2018-12-17 | 2020-06-25 | 深圳市蓝禾技术有限公司 | Portable power source and rechargeable electronic device |
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| CN202260535U (en) * | 2011-09-27 | 2012-05-30 | 顺昌泰科技（深圳）有限公司 | Mobile power supply with electric quantity detection function |
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2011
- 2011-09-27 CN CN2011102963382A patent/CN103023081A/en active Pending
Patent Citations (4)
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| CN2842840Y (en) * | 2005-09-05 | 2006-11-29 | 蔡忠玉 | Portable multifunctional power supply |
| JP2010284060A (en) * | 2009-06-08 | 2010-12-16 | Daiwa House Industry Co Ltd | Portable power supply system with emergency power supply function |
| CN201656519U (en) * | 2010-04-09 | 2010-11-24 | 卢文标 | Portable mobile power supply |
| CN202260535U (en) * | 2011-09-27 | 2012-05-30 | 顺昌泰科技（深圳）有限公司 | Mobile power supply with electric quantity detection function |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103746414A (en) * | 2013-12-06 | 2014-04-23 | 北京中友伟皓科技发展有限公司 | Large-current starting power supply equipment |
| US11607972B2 (en) | 2013-12-06 | 2023-03-21 | SZ DJI Technology Co., Ltd. | Battery and unmanned aerial vehicle with battery indicator and venting opening |
| US10906427B2 (en) | 2013-12-06 | 2021-02-02 | SZ DJI Technology Co., Ltd. | Battery and unmanned aerial vehicle with the battery |
| US10625613B2 (en) | 2013-12-06 | 2020-04-21 | SZ DJI Technology Co., Ltd. | Battery and unmanned aerial vehicle with the battery |
| US10525832B2 (en) | 2013-12-06 | 2020-01-07 | SZ DJI Technology Co., Ltd. | Battery and unmanned aerial vehicle with the battery |
| CN103746414B (en) * | 2013-12-06 | 2017-02-15 | 北京中友伟皓科技发展有限公司 | Large-current starting power supply equipment |
| CN103812197B (en) * | 2014-03-04 | 2017-01-11 | 深圳市华宝新能源股份有限公司 | Mobile power supply |
| CN103812197A (en) * | 2014-03-04 | 2014-05-21 | 深圳市华宝新能源有限公司 | Mobile power supply |
| CN103872742A (en) * | 2014-04-04 | 2014-06-18 | 施爱龙 | Charging and power supplying two-in-one mobile power supply and power supply management method |
| WO2016149999A1 (en) * | 2015-03-25 | 2016-09-29 | 深圳市华宝新能源有限公司 | Mobile power supply |
| CN104967170B (en) * | 2015-07-03 | 2018-06-19 | 深圳罗马仕科技有限公司 | Mobile power |
| CN104967170A (en) * | 2015-07-03 | 2015-10-07 | 深圳罗马仕科技有限公司 | Power bank |
| CN105510841A (en) * | 2015-12-30 | 2016-04-20 | 中国科学院深海科学与工程研究所 | System for online monitoring and managing electric quantity of underwater equipment power supply |
| CN105958596A (en) * | 2016-06-22 | 2016-09-21 | 南通绿业中试技术研究院有限公司 | Hand-operated mobile power supply for supercapacitor |
| CN105914845A (en) * | 2016-06-29 | 2016-08-31 | 深圳市科乐科技有限公司 | Multifunctional HUB with mobile power supply |
| CN105914845B (en) * | 2016-06-29 | 2023-06-16 | 深圳市科乐科技有限公司 | Multifunctional HUB with mobile power supply |
| WO2020124327A1 (en) * | 2018-12-17 | 2020-06-25 | 深圳市蓝禾技术有限公司 | Portable power source and rechargeable electronic device |
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Application publication date: 20130403 |