CN102005796A - Mobile power supply and control method thereof - Google Patents
Mobile power supply and control method thereof Download PDFInfo
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- CN102005796A CN102005796A CN2010105769962A CN201010576996A CN102005796A CN 102005796 A CN102005796 A CN 102005796A CN 2010105769962 A CN2010105769962 A CN 2010105769962A CN 201010576996 A CN201010576996 A CN 201010576996A CN 102005796 A CN102005796 A CN 102005796A
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00032—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange
- H02J7/00038—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors
- H02J7/00041—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries characterised by data exchange using passive battery identification means, e.g. resistors or capacitors in response to measured battery parameters, e.g. voltage, current or temperature profile
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/34—Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
- H02J7/342—The other DC source being a battery actively interacting with the first one, i.e. battery to battery charging
Abstract
The invention provides a mobile power supply which comprises a singlechip (1), an output control circuit (5), a lithium cell (4) and a heavy current instantaneous output module, wherein the output control circuit (5) is respectively connected with the singlechip (1) and the lithium cell (4), the heavy current instantaneous output module comprises a heavy current output unit (11) connected with the output control unit (5) and a voltage detection wake-up unit (12) connected with the heavy current unit (11), the heavy current output unit (11) is used for being connected with electric equipment, the voltage detection wake-up unit (12) is connected with the singlechip (1) and comprises an electric equipment voltage detection unit (121) used for detecting the voltage of the electric equipment, and the electric equipment voltage detection unit (121) controls the power supply state of the heavy current output unit (11) according to the detected voltage.
Description
Technical field
The present invention relates to field of power supplies, relate in particular to a kind of portable power source and control method thereof.
Background technology
In actual life; along with making rapid progress of scientific and technological level; the raising day by day of people's standard of living; automobile has become extremely important media of communication; but automobile usually can run into the non-ignitable problem of beating; particularly intransit automobile catches fire because of not enough very difficult car is beaten of storage battery electric weight, brings a lot of inconvenience to the user.
Summary of the invention
In order to solve above-mentioned technical problem of the prior art, the invention provides a kind of portable power source and control method thereof.
The invention provides a kind of portable power source, comprise single-chip microcomputer, output control circuit, lithium battery, big electric current moment output module, described output control circuit links to each other with lithium battery with described single-chip microcomputer respectively, described big electric current moment output module comprises big 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 big current output unit, described big 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 the power consumption equipment voltage detection unit that is used to check power consumption equipment voltage, and described power consumption equipment voltage detection unit is according to the power supply state of the described big current output unit of detected voltage control.
As a further improvement on the present invention, this portable power source also comprises the direct current output module, described direct current output module links to each other with described output control circuit, described detecting voltage wakeup unit also comprises wakeup unit, when power consumption equipment links to each other with described big current output unit, described wakeup unit notice single-chip microcomputer power consumption equipment inserts, and single-chip microcomputer sends instruction and makes big current output unit output current.
As a further improvement on the present invention, this portable power source also comprises the alternating current output module, and described alternating current output module comprises uninterrupted power supply ups and alternating current output unit, and described ups links to each other with described single-chip microcomputer and the two carries out the mutual transmission of signal; Described output control circuit links to each other with described alternating current output unit, and described alternating current output unit links to each other with described UPS.
As a further improvement on the present invention, when described big current output unit output current was worked, described single-chip microcomputer cut off the power supply of described lithium battery to described alternating current output module and described direct current output module.
As a further improvement on the present invention, this portable power source also comprises switching power supply, PWM charging circuit unit, the charging current detecting unit, the battery coulometric detection unit, described switching power supply respectively with described single-chip microcomputer, described output control circuit and PWM charging circuit unit link to each other, described PWM charging circuit unit links to each other with described charging current detecting unit with described single-chip microcomputer respectively, described charging current detecting unit links to each other with described single-chip microcomputer with described lithium battery respectively, and described battery coulometric detection unit links to each other with described single-chip microcomputer with described lithium battery respectively.
As a further improvement on the present invention, this portable power source also comprises the battery balanced protected location that links to each other with described lithium battery, and this portable power source also comprises button, LCD display and the buzzer that links to each other with described single-chip microcomputer respectively.
As a further improvement on the present invention, this portable power source also comprises respectively the low pressure difference linear voltage regulator LDO that links to each other with described single-chip microcomputer with described lithium battery; And the output current detecting unit that links to each other with described single-chip microcomputer with described output control circuit respectively.
As a further improvement on the present invention, this portable power source also comprises the input identification circuit, and described direct current output module comprises a USB output unit, the 2nd USB output unit and many grades of output units of direct current; The one USB output unit, many grades of output units of the 2nd USB output unit and direct current link to each other with output control circuit respectively.
As a further improvement on the present invention, divider resistance R59 and R60 that described wakeup unit comprises triode Q6 and is used to take a sample, described power consumption equipment voltage detection unit (121) comprise detection resistance R 38 and R41.
The present invention also provides a kind of portable power source control method: when described single-chip microcomputer was worked, described UPS was in sleep state; Before the described big current output unit output current, close other all electric current outputs by described Single-chip Controlling; When power consumption equipment inserts described big current output unit, described divider resistance R59 and R60 sampling, control triode Q6 conducting, notice single-chip microcomputer power consumption equipment inserts, and 1 adhesive of Single-chip Controlling relay K begins to carry out the moment output of big electric current; Detect the voltage of resistance R 38 and R41 dividing potential drop detection equipment, when the voltage of electrical appliance recovers normal, closed relay K1 automatically, described big current output unit stops output current.
The invention has the beneficial effects as follows: because described big current output unit is used for linking to each other with power consumption equipment, described detecting voltage wakeup unit links to each other with described single-chip microcomputer, and described power consumption equipment voltage detection unit is according to the power supply state of the described big current output unit of detected voltage control, so this portable power source has not only guaranteed the output of big electric current, and guarantee can not damage lithium battery.
Description of drawings
Fig. 1 is a theory diagram of the present invention.
Fig. 2 is single-chip microcomputer of the present invention and LCD display part schematic diagram.
Fig. 3 is Charge Management of the present invention and input identification circuit figure.
Fig. 4 is a big electric current moment output module circuit diagram of the present invention.
Fig. 5 is DC step-down output control circuit figure of the present invention.
Fig. 6 be DC of the present invention boost output and current detection circuit figure.
Fig. 7 is USB step-down output of the present invention and current detection circuit.
Embodiment
As depicted in figs. 1 and 2, the invention discloses a kind of portable power source, this portable power source comprises alternating current output module, direct current output module and big electric current moment output module (automobile sparking module), and this portable power source has been realized the management of described three modules.
This portable power source comprises single-chip microcomputer 1, output control circuit 5, lithium battery 4, big electric current moment output module, described output control circuit 5 links to each other with lithium battery 4 with described single-chip microcomputer 1 respectively, described big electric current moment output module comprises big current output unit 11 that links to each other with described output control circuit 5 and the detecting voltage wakeup unit 12 that links to each other with described big current output unit 11, described big current output unit 11 is used for linking to each other with power consumption equipment, and described detecting voltage wakeup unit 12 links to each other with described single-chip microcomputer 1; Described detecting voltage wakeup unit 12 comprises the power consumption equipment voltage detection unit 121 that is used to check power consumption equipment voltage, and described power consumption equipment voltage detection unit 121 is according to the power supply state of the described big current output unit 11 of detected voltage control.Described power supply state is to instigate big current output unit 11 to continue power supply or outage.
As shown in Figure 4, this portable power source also comprises the direct current output module, described direct current output module links to each other with described output control circuit 5, described detecting voltage wakeup unit 12 also comprises wakeup unit 122, when power consumption equipment links to each other with described big current output unit 11, described wakeup unit 122 notice single-chip microcomputers 1 power consumption equipment inserts, and single-chip microcomputer 1 sends instruction and makes big current output unit 11 output currents.Divider resistance R59 and R60 that described wakeup unit 122 comprises triode Q6 and is used to take a sample, described power consumption equipment voltage detection unit 121 comprise detection resistance R 38 and R41.
In the present embodiment, power consumption equipment is an automobile storage battery, when this automobile storage battery links to each other with big current output unit 11, wakeup unit 122 notice single-chip microcomputers 1 automobile storage battery inserts, 11 moments of the big current output unit of single-chip microcomputer 1 control export big electric current and strike sparks, and then detect by 121 pairs of battery voltage of power consumption equipment voltage detection unit, recover normal as battery voltage, close big electric current moment output module so.Promptly when this portable power source access automobile storage battery, divider resistance R59 and R60 sampling by wakeup unit 122, control triode Q6 conducting, notice single-chip microcomputer 1 automobile storage battery inserts, single-chip microcomputer 1 allows relay K 1 adhesive, during the automobile sparking, finish sparking through excessive current controling element R1 ~ R6 instantaneous large-current output, automobile starting detects automobile storage battery voltage by detecting resistance R 38 and R41 dividing potential drop, when battery voltage recovers normal, automatically closed relay K1 prevents that long-time big electric current output from damaging lithium battery 4.When this big electric current moment output module is used for the automobile sparking, realized big electric current output protection, anti-output short-circuit control inserts automobile and discerns automatically, and automatic shutdown is finished in sparking.Big current output unit 11 moment output current is 200A, satisfies most of family cars.
As shown in Figure 7, this direct current output module comprises a USB output unit 8, the 2nd USB output unit 9 and many grades of output units of direct current 10; A described USB output unit 8, many grades of output units of the 2nd USB output unit 9 and direct current 10 link to each other with output control circuit 5 respectively.As Fig. 5 and Fig. 6 is DC buck output control circuit, and step-down is controlled by U4, is controlled to guarantee minimum quiescent dissipation by single-chip microcomputer 1 by switch Q11, and Q24 is the counnter attack switch, to improve delivery efficiency.U9 is the control master chip that boosts, link to each other with lithium battery 4 by single-chip microcomputer 1 control by the Q15 switch, to guarantee the quiescent dissipation minimum, U3B and D12 form output limit power control system, automatically prevent to export long term overloading and damage machine, DC step-down output control circuit is finished the step-down output of 5V, 8.4V, 9.5V, and the DC output control circuit that boosts is finished the output of boosting of 12V, 16V, 19V, 24V, and two circuit are finished DC5V, 8.4V, 9.5V, 12V, 16V, 19V, many gears of 24V voltage is exported.
This portable power source also comprises the alternating current output module, and described alternating current output module comprises uninterrupted power supply ups6 and alternating current output unit 7, and described ups6 links to each other with described single-chip microcomputer 1 and the two carries out the mutual transmission of signal; Described output control circuit 5 links to each other with described alternating current output unit 7, and described alternating current output unit 7 links to each other with described UPS6.This ups6 receives the alternating current of 190V-240V, and alternating-current installation/AC installation can be inserted on the alternating current output unit 7, conveniently being that alternating-current installation/AC installation is powered.
When these big current output unit 11 output currents were worked, described single-chip microcomputer 1 cut off the power supply of 4 pairs of described alternating current output modules of described lithium battery and described direct current output module, thereby has guaranteed the electric current supply to big electric current moment output module.
As shown in figures 1 and 3, in order to improve the life-span of lithium battery 4, need lithium battery 4 is managed, to prevent the generation of super-charge super-discharge phenomenon, so this portable power source also comprises switching power supply 2 and charge management circuit; This charge management circuit comprises PWM charging circuit unit 3, charging current detecting unit 13 and battery coulometric detection unit 14.Described switching power supply 2 links to each other with described single-chip microcomputer 1, described output control circuit 5 and PWM charging circuit unit 3 respectively, described PWM charging circuit unit 3 links to each other with described charging current detecting unit 13 with described single-chip microcomputer 1 respectively, described charging current detecting unit 13 links to each other with described single-chip microcomputer 1 with described lithium battery 4 respectively, and described battery coulometric detection unit 14 links to each other with described single-chip microcomputer 1 with described lithium battery 4 respectively.
As shown in Figure 3, this portable power source also comprises the input identification circuit, and this input identification circuit links to each other with single-chip microcomputer 1, and this input identification circuit can be realized solar recharging and the power adaptation automatic identification control of charging, the wide region charging voltage is to adapt to different power supply adaptors.This input identification circuit comprises solar energy/DC identification circuit 21, charging voltage testing circuit 22 and the DC wake-up circuit 23 that powers on, after inserting charging device, through single-chip microcomputer 1 control, discern different input equipments automatically, by Q17, R1, R16, R20 to do different Charge Managements; Insert and begin charging automatically by Q1, R5, R6 identification charging, send corresponding pwm control signal, finish Charge Management by voltage, current detecting by single-chip microcomputer 1.
This portable power source also comprises the battery balanced protected location 15 that links to each other with described lithium battery 4, and this portable power source also comprises button 20, LCD display 18 and the buzzer 19 that links to each other with described single-chip microcomputer 1 respectively.Finish the switching of all functions by button 20, for example click button 20 and just switch to the direct current output module from the alternating current output module, acquiescence the one USB output unit 8 is in running order under direct current output module state, click button 20 again, switch to the 2nd USB output unit 9 from a USB output unit 8 again, click button 20 again, switch to many grades of output units of direct current 10 from the 2nd USB output unit 9 again, click button 20 again, switch to big electric current moment output module from many grades of output units of direct current 10 again, promptly finished the circulation switching of each function by button 20.And the operating state of each module all is presented on the LCD, watches for the user.Buzzer 19 is used to warn the user, and when for example this portable power source was in big electric current moment output module operating state, this buzzer 19 sent very brief song, and when this portable power source was in alternating current output module operating state, this buzzer 19 sent yowl sound.
This portable power source also comprises respectively the low pressure difference linear voltage regulator LDO16 that links to each other with described single-chip microcomputer 1 with described lithium battery 4; And the output current detecting unit 17 that links to each other with described single-chip microcomputer 1 with described output control circuit 5 respectively.LDO16 is for single-chip microcomputer 1 provides stabilized power supply, because directly link to each other with lithium battery 4, requires quiescent current very little, so select ultra low power LDO for use.Output current detecting unit 17 is to be used for detecting the output current size, and its effect is to finish the restriction of DC peak power output.
This portable power source switches to the time of direct current output module less than 10ms from the alternating current output module, when the alternating current of importing has a power failure suddenly, voltage jump by voltage transformer, the AC-DC-AC diverter switch is switched to the DC/AC output circuit fast, owing to adopt hardware to switch, so switching time is fast.
Because of this portable power source has alternating current output module, direct current output module and big electric current moment output module, can be used for the backup type emergency power supply so be in, go out can be used for the stand-by power supply of mobile device, the AC power of certain power also can be provided when camping and field operations.
The invention also discloses a kind of portable power source control method, when described single-chip microcomputer 1 was worked, described UPS6 was in sleep state; Before described big current output unit 11 output currents, close other all electric current outputs by described single-chip microcomputer 1 control; When power consumption equipment inserts described big current output unit 11, described divider resistance R59 and R60 sampling, control triode Q6 conducting, notice single-chip microcomputer 1 power consumption equipment inserts, and single-chip microcomputer 1 control relay K1 adhesive begins to carry out the moment output of big electric current; Detect the voltage of resistance R 38 and R41 dividing potential drop detection equipment, when the voltage of electrical appliance recovers normal, closed relay K1 automatically, described big current output unit 11 stops output current.
The present invention also provides a kind of method that guarantees minimum quiescent dissipation, when output is non-loaded, by single-chip microcomputer 1 with all testing circuit dumps, as lithium battery 4 voltage detecting, circuit powers such as output loading detection, guarantee this mobile device loss minimum when static state, the detection reference power supply be can't help lithium battery 4 power supply, but by the power supply of MCU pin, during sleep, close reference power supply, guarantee the quiescent current minimum.
When this portable power source has the alternating current input, close single-chip microcomputer 1, have only UPS6 partly to work, it finishes battery charge.When portable power source does not have the alternating current input, single-chip microcomputer 1 work, the MCU sleep of UPS6 has only when manually selecting inversion output, and the MCU that wakes UPS6 up just enters operating state; The automobile sparking enters the sparking state because output current is big by automatic identification, closes all outputs, guarantees the enough energy of sparking.
Above content be in conjunction with concrete preferred implementation to further describing that the present invention did, can not assert that concrete enforcement of the present invention is confined to these explanations.For the general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. portable power source, it is characterized in that: comprise single-chip microcomputer (1), output control circuit (5), lithium battery (4), big electric current moment output module, described output control circuit (5) links to each other with lithium battery (4) with described single-chip microcomputer (1) respectively, described big electric current moment output module comprises the big current output unit (11) that links to each other with described output control circuit (5), and the detecting voltage wakeup unit (12) that links to each other with described big current output unit (11), described big current output unit (11) is used for linking to each other with power consumption equipment, and described detecting voltage wakeup unit (12) links to each other with described single-chip microcomputer (1); Described detecting voltage wakeup unit (12) comprises the power consumption equipment voltage detection unit (121) that is used to check power consumption equipment voltage, and described power consumption equipment voltage detection unit (121) is according to the power supply state of the described big current output unit of detected voltage control (11).
2. portable power source according to claim 1, it is characterized in that: this portable power source also comprises the direct current output module, described direct current output module links to each other with described output control circuit (5), described detecting voltage wakeup unit (12) also comprises wakeup unit (122), when power consumption equipment and described big current output unit (11) when linking to each other, described wakeup unit (122) notice single-chip microcomputer (1) power consumption equipment inserts, and single-chip microcomputer (1) sends instruction and makes big current output unit (11) output current.
3. portable power source according to claim 1 and 2, it is characterized in that: this portable power source also comprises the alternating current output module, described alternating current output module comprises uninterrupted power supply ups(6) and alternating current output unit (7), described ups(6) link to each other with described single-chip microcomputer (1) and the two carries out the mutual transmission of signal; Described output control circuit (5) links to each other with described alternating current output unit (7), described alternating current output unit (7) and described UPS(6) link to each other.
4. portable power source according to claim 3, it is characterized in that: during the work of described big current output unit (11) output current, described single-chip microcomputer (1) cuts off the power supply of described lithium battery (4) to described alternating current output module and described direct current output module.
5. portable power source according to claim 4, it is characterized in that: this portable power source also comprises switching power supply (2), PWM charging circuit unit (3), charging current detecting unit (13), battery coulometric detection unit (14), described switching power supply (2) respectively with described single-chip microcomputer (1), described output control circuit (5) and PWM charging circuit unit (3) link to each other, described PWM charging circuit unit (3) links to each other with described charging current detecting unit (13) with described single-chip microcomputer (1) respectively, described charging current detecting unit (13) links to each other with described single-chip microcomputer (1) with described lithium battery (4) respectively, and described battery coulometric detection unit (14) links to each other with described single-chip microcomputer (1) with described lithium battery (4) respectively.
6. portable power source according to claim 5; it is characterized in that: this portable power source also comprises the battery balanced protected location (15) that links to each other with described lithium battery, and this portable power source also comprises button (20), LCD display (18) and the buzzer (19) that links to each other with described single-chip microcomputer (1) respectively.
7. portable power source according to claim 6 is characterized in that: this portable power source also comprises respectively the low pressure difference linear voltage regulator LDO(16 that links to each other with described single-chip microcomputer (1) with described lithium battery (4)); And the output current detecting unit (17) that links to each other with described single-chip microcomputer (1) with described output control circuit (5) respectively.
8. portable power source according to claim 7, it is characterized in that: this portable power source also comprises the input identification circuit, and described direct current output module comprises a USB output unit (8), the 2nd USB output unit (9) and many grades of output units of direct current (10); The one USB output unit (8), the 2nd many grades of output units of USB output unit (9) and direct current (10) link to each other with output control circuit (5) respectively.
9. portable power source according to claim 2 is characterized in that: divider resistance R59 and R60 that described wakeup unit (122) comprises triode Q6 and is used to take a sample, described power consumption equipment voltage detection unit (121) comprise detection resistance R 38 and R41.
10. portable power source control method is characterized in that: during described single-chip microcomputer (1) work, described UPS(6) be in sleep state; Before described big current output unit (11) output current, close other all electric current outputs by described single-chip microcomputer (1) control; When power consumption equipment inserts described big current output unit (11), described divider resistance R59 and R60 sampling, control triode Q6 conducting, notice single-chip microcomputer (1) power consumption equipment inserts, single-chip microcomputer (1) control relay K1 adhesive begins to carry out the moment output of big electric current; Detect the voltage of resistance R 38 and R41 dividing potential drop detection equipment, when the voltage of electrical appliance recovers normal, closed relay K1 automatically, described big current output unit (11) stops output current.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105769962A CN102005796A (en) | 2010-12-07 | 2010-12-07 | Mobile power supply and control method thereof |
| PCT/CN2011/073286 WO2012075769A1 (en) | 2010-12-07 | 2011-04-25 | Mobile power supply and control method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105769962A CN102005796A (en) | 2010-12-07 | 2010-12-07 | Mobile power supply and control method thereof |
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| CN102005796A true CN102005796A (en) | 2011-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010105769962A Pending CN102005796A (en) | 2010-12-07 | 2010-12-07 | Mobile power supply and control method thereof |
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| CN (1) | CN102005796A (en) |
| WO (1) | WO2012075769A1 (en) |
Cited By (17)
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| WO2012075769A1 (en) * | 2010-12-07 | 2012-06-14 | 深圳市思倍生电子科技有限公司 | Mobile power supply and control method thereof |
| CN102593940A (en) * | 2012-01-19 | 2012-07-18 | 华为技术有限公司 | UPS (Uninterruptible Power Supply) device and working method thereof |
| CN102832701A (en) * | 2012-09-28 | 2012-12-19 | 重庆市贝仓光电科技有限公司 | Solar intelligent household power supply system |
| CN103197578A (en) * | 2012-01-06 | 2013-07-10 | 沈阳新松机器人自动化股份有限公司 | Robot electric quantity monitoring system |
| CN103259307A (en) * | 2013-04-11 | 2013-08-21 | 衡阳加一电子科技有限公司 | Intelligent mobile power source |
| CN103399194A (en) * | 2013-08-16 | 2013-11-20 | 常熟市苏常工程质量检测有限公司 | Device for testing stability of working current |
| CN103701175A (en) * | 2013-12-31 | 2014-04-02 | 上海广为美线电源电器有限公司 | Charger for automatically recognizing voltage level of battery |
| CN103855730A (en) * | 2012-11-29 | 2014-06-11 | 江苏天宇光伏科技有限公司 | Protection control system of solar energy power bank |
| CN104052116A (en) * | 2014-06-17 | 2014-09-17 | 深圳市雄韬电源科技股份有限公司 | Uninterrupted power system for lithium ion battery |
| WO2014154021A1 (en) * | 2013-03-29 | 2014-10-02 | 山东润峰集团新能源科技有限公司 | Mini multi-functional mobile power source for automobile emergency start-up |
| CN104092269A (en) * | 2014-07-29 | 2014-10-08 | 刘大可 | Measuring method for charging speed of portable power source and portable power source |
| TWI487244B (en) * | 2012-10-16 | 2015-06-01 | ||
| CN104701934A (en) * | 2014-09-30 | 2015-06-10 | 孙煜 | USB (universal serial bus) charging circuit capable of adjusting output voltage and current |
| CN105098957A (en) * | 2015-07-31 | 2015-11-25 | 茂硕电源科技股份有限公司 | Solar controller circuit |
| CN105988963A (en) * | 2015-02-09 | 2016-10-05 | 深圳市优笔触控科技有限公司 | External power supply identification circuit for large current touch equipment and electronic signature screen |
| CN108695566A (en) * | 2017-04-05 | 2018-10-23 | 广东广晟通信技术有限公司 | A kind of synchronous control system framework promoting energy-saving efficiency |
| CN112305443A (en) * | 2020-10-23 | 2021-02-02 | 湖南炬神电子有限公司 | Lithium cell quick charge aging jig |
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