CN101110522A - Charging device and method for nickel-hydrogen battery and terminal using the device and method - Google Patents
Charging device and method for nickel-hydrogen battery and terminal using the device and method Download PDFInfo
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- CN101110522A CN101110522A CNA2007101205032A CN200710120503A CN101110522A CN 101110522 A CN101110522 A CN 101110522A CN A2007101205032 A CNA2007101205032 A CN A2007101205032A CN 200710120503 A CN200710120503 A CN 200710120503A CN 101110522 A CN101110522 A CN 101110522A
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Abstract
The present invention discloses a nickel-hydrogen battery charging equipment, which comprises a micro-processing unit and a charging unit. Wherein, the micro-processing unit is composed of a battery voltage sampling module and a charging control module. The charging control module controls the charging unit according to voltage information collected by the battery voltage sampling module. The charging unit is composed of a constant current control circuit, a constant voltage control circuit and a trickle control circuit connected in parallel, a charging circuit and a charging mode control circuit. The charging mode control circuit controls the constant current control circuit, the constant voltage control circuit and the tickle control circuit to select constant current, constant voltage and trickle charging mode according to a control signal of the charging control module. Based on the charging circuit, the nickel-hydrogen battery is charged. The present invention also discloses a nickel-hydrogen battery charging method and a terminal applying the charging equipment and the method above.
Description
Technical field
The present invention relates to a kind of charging device, particularly a kind of charging device of Ni-MH battery, method and use the terminal of this charging device and method.
Background technology
The charging device of prior art is to the most of constant voltage charging method that adopts of Ni-MH battery charging.But constant voltage charging method brings four problems: the first, and charging current descends with the rising of cell voltage, and the charging interval is long; The second, owing to the influence of sampling feedback resistance, charging voltage has certain error, makes the charging effect consistency of product poor; Three, when charger cross put after, battery can't be full of fully, do not satisfy requirement service time, and battery charging voltage phenomenon can appear overcharging when too high, has accident potential; Four, battery is crossed to put and can be caused battery performance reduction constant voltage charge to cause damage to battery.And it is very big to the influence in useful life of Ni-MH battery.
Summary of the invention
Technical problem to be solved by this invention is, a kind of charging device, method of Ni-MH battery is provided and uses the terminal of this device and method, realizes that constant current, constant voltage, three kinds of patterns of trickle are adjusted automatically Ni-MH battery is charged.
For achieving the above object, the charging device of Ni-MH battery provided by the invention comprises microprocessing unit and charhing unit, described microprocessing unit comprises again: battery voltage sampling module and charge control module, and described charge control module is controlled described charhing unit according to the information of voltage of described battery voltage sampling module collection; Described charhing unit comprises again: the constant-current control circuit of connection parallel with one another, constant-voltage control circuit, trickle control circuit, charging circuit and charge mode control circuit, described charge mode control circuit is controlled described constant-current control circuit, constant-voltage control circuit, trickle control circuit according to the control signal of described charge control module and is selected to carry out constant current, constant voltage, three kinds of charge modes of trickle, and by described charging circuit Ni-MH battery is charged.
The charging device of above-mentioned Ni-MH battery, described microprocessing unit also comprises a timing control module, is used for the charging process of described Ni-MH battery is carried out timing, and clocking information is exported to described charge control module described charhing unit is controlled.
The charging device of above-mentioned Ni-MH battery also comprises a battery temperature testing circuit, is used for detecting described Ni-MH battery charging process temperature information in real time, and exports described temperature information and described charhing unit is controlled for described charge control module.
The charging device of above-mentioned Ni-MH battery, described Ni-MH battery is provided with the thermistor that is used for temperature sensing.
For further realizing goal of the invention, the present invention also provides the charging method of Ni-MH battery to comprise:
The battery voltage detection step is used for gathering the voltage of Ni-MH battery and exporting to charge control module by the battery voltage sampling module;
Control model is selected step, is used for by charge mode control circuit control signal control constant-current control circuit, constant-voltage control circuit, trickle control circuit selection carrying out constant current, constant voltage, three kinds of charge modes of trickle according to described charge control module output Ni-MH battery being charged.
Above-mentioned charging method also comprises controlled step when certain, is used for the charging process of described Ni-MH battery is carried out timing, and clocking information is exported to described charge control module described charhing unit is controlled.
Above-mentioned charging method also comprises a battery temperature testing circuit, is used for detecting described Ni-MH battery charging process temperature information in real time, and exports described temperature information and described charhing unit is controlled for described charge control module.
Above-mentioned charging method, described control model select step further to comprise:
The trickle charge step selects the trickle charge pattern to charge when being used for the magnitude of voltage that detects in the battery voltage detection step less than the first predeterminated voltage value;
The constant current charge step is used for selecting when the magnitude of voltage that the battery voltage detection step detects reaches the described first predeterminated voltage value constant current charging mode to charge;
The constant voltage charge step is used for selecting when the magnitude of voltage that the battery voltage detection step detects reaches the second predeterminated voltage value constant voltage charge pattern to charge.
Above-mentioned charging method, in the described timing controlled step, when timing was finished, described charge control module was controlled described charhing unit complete charge.
Above-mentioned charging method, described battery temperature detect in the step, when the temperature that detects described Ni-MH battery reaches first preset temperature value, adjust the constant current charging mode charging current; When the temperature that detects described Ni-MH battery reaches second preset temperature value, control described charhing unit complete charge by described charge control module.
Further, the present invention also provides a kind of terminal of using above-mentioned charging device and charging method, comprise termination function portion and Ni-MH battery charging device, this charging device comprises microprocessing unit and charhing unit again, described microprocessing unit further comprises: battery voltage sampling module, battery temperature testing circuit and charge control module, and described charge control module is controlled described charhing unit according to the information of voltage of described battery voltage sampling module collection and the temperature information of described battery temperature testing circuit detection; Described charhing unit further comprises: the constant-current control circuit of connection parallel with one another, constant-voltage control circuit, trickle control circuit, charging circuit and charge mode control circuit, described charge mode control circuit is controlled described constant-current control circuit, constant-voltage control circuit, trickle control circuit according to the control signal of described charge control module and is selected to carry out constant current, constant voltage, three kinds of charge modes of trickle, and by described charging circuit Ni-MH battery is charged.
Above-mentioned terminal, described microprocessing unit also comprises a timing control module, is used for the charging process of described Ni-MH battery is carried out timing, and clocking information is exported to described charge control module described charhing unit is controlled.
Compared with prior art, the present invention realizes the control to battery status, charged state by the voltage, the electric current that detect in real time battery, has guaranteed the performance of battery by selectively carrying out trickle charge, constant current quick charge, constant voltage low current charge isotype; Invention has guaranteed the fail safe of battery when having guaranteed the battery charge characteristic to greatest extent when adopting temperature control and chargometer simultaneously; The present invention detects the voltage of battery simultaneously to the employing trickle charge reparation of overdischarge pond, raising Ni-MH battery charging performance, prolongation Ni-MH battery life-span in addition.
Description of drawings
Fig. 1 is an invention Ni-MH battery charging device schematic block diagram;
Fig. 2 is Ni-MH battery charging software control flow chart of the present invention;
Fig. 3 is the terminal schematic block diagram of application of nickel hydrogen battery charging device of the present invention and method.
Embodiment
Describing the present invention below in conjunction with drawings and Examples, with purpose, scheme and the effect of further understanding the present invention, but is not as the restriction to claims protection range of the present invention.
With reference to figure 1, Ni-MH battery charging device of the present invention comprises the microprocessing unit 200 and the charhing unit 300 of mutual electric connection, microprocessing unit 200 comprises again: battery voltage sampling module 201 and charge control module 202, and charge control module 202 is controlled charhing unit 300 according to the information of voltage of the Ni-MH battery 100 that battery voltage sampling module 201 is gathered; Charhing unit 300 comprises again: the constant-current control circuit 302 of connection parallel with one another, constant-voltage control circuit 303, trickle control circuit 304, charging circuit 301 and charge mode control circuit 305, charge mode control circuit 305 is selected to carry out constant current, constant voltage, three kinds of charge modes of trickle, and is charged by 301 pairs of Ni-MH batteries 100 of described charging circuit according to control signal control constant-current control circuit 302, constant-voltage control circuit 303, the trickle control circuit 304 of charge control module 202.The charging device of this Ni-MH battery also comprises timing control module 203 and the battery temperature testing circuit 102 that is connected with charge control module 202, the battery temperature information that the clocking information of timing control module 203 and battery temperature testing circuit 102 detect all feeds back to charge control module 202, according to clocking information and battery temperature information charhing unit 300 is carried out Comprehensive Control by charge control module 202.The battery temperature testing circuit 102 here can be arranged at microprocessing unit 200, also can be arranged on the Ni-MH battery 100, also is provided with a thermistor that is used for temperature sensing on the Ni-MH battery 100.
In conjunction with Fig. 1, further specify the process that Ni-MH battery charging device of the present invention charges of using once more.To Ni-MH battery 100 chargings the time, by power supply adaptor 400 power supplies, the voltage data that battery voltage sampling module 201 in the microprocessing unit 200 is obtained Ni-MH battery 100 in real time offers charge control module 202, charge control module 202 provides charge mode control circuit 305 controls startup constant-current control circuit 302, constant-voltage control circuit 303, the trickle control circuit 304 of control signal control charhing unit 300 to select to carry out constant current, constant voltage, three kinds of charge modes of trickle, dynamically adjusts charging current, the voltage of 300 pairs of Ni-MH batteries 100 of charhing unit.Battery temperature testing circuit 102 feeds back to charge control module 202 in the microprocessing unit 200 with the variations in temperature in Ni-MH battery 100 charging processes, adjusts charge parameter when temperature over-range, even stops charging, and the protection battery does not have an accident; 203 pairs of whole charging processes of timing control module are carried out timing, and provide charge control module 202 in real time with clocking information, and complete charge is also effectively to guarantee the fail safe of battery when guaranteeing the battery charge characteristic to greatest extent when timing is finished.As can be seen, battery temperature testing circuit 102, battery voltage sampling module 201 and timing controlled 203 pass to charge control module 202 with information separately in real time, by charge control module 202 control charging processes.
The control flow of Fig. 2 application software of the present invention describes its control method in detail with reference to figure 2:
Carry out battery voltage detection and need to judge whether charging (step S40), begin (step S600) when needing chargometer, judge further whether Ni-MH battery is put excessively, be whether cell voltage discharges into and be lower than a certain default low voltage (step S41), be then to control the startup trickle charging circuit to carry out trickle pattern charging (step S42), in the trickle charge process, detect cell voltage and whether reach described a certain default low voltage (step S401), when reaching described default low voltage, enter constant current charging mode, directly carry out constant current charging mode and carry out constant current charge (step S43) otherwise start the constant current charge circuit; In the constant current charge process, detect battery temperature and whether reach certain lower temperature preset value (step S501), when reaching a certain lower temperature preset value, battery temperature adjusts constant current charge electric current (step S431); In the constant current charge process, judge charging whether overtime (step S601), when charging overtime control charhing unit complete charge (step S45); In the constant current charge process, detect cell voltage and whether reach described a certain default higher voltage value (step S402), when cell voltage reaches a certain default higher voltage value, start constant voltage charging circuit and carry out constant voltage charge (step S44); In the constant voltage charge process, detect battery temperature and whether surpass a certain higher temperature preset value (step S502), when battery temperature surpasses a certain higher temperature preset value, control charhing unit complete charge (step S45); In the constant voltage charge process, the timing control module timing is finished, control charhing unit complete charge (step S45).In whole charging process, step S600 had effectively improved the charging performance of battery and has guaranteed the fail safe of battery through whole charging process when battery voltage detection step S400 and battery temperature detected step S500, chargometer.In the specific implementation, microprocessing unit obtains measured values such as the voltage, electric current, temperature of battery simultaneously, and these measured values are to be normative reference with mean value.
Further provide a kind of charging method of Ni-MH battery below with reference to Fig. 1 and Fig. 2, this method comprises:
The battery voltage detection step is used for gathering the voltage of Ni-MH battery and exporting to charge control module by the battery voltage sampling module; Control model is selected step, is used for by charge mode control circuit control signal control constant-current control circuit, constant-voltage control circuit, trickle control circuit selection carrying out constant current, constant voltage, three kinds of charge modes of trickle according to described charge control module output Ni-MH battery being charged.The timing controlled step is used for the charging process of described Ni-MH battery is carried out timing, and clocking information is exported to described charge control module described charhing unit is controlled, when timing is finished, and charge control module control charhing unit complete charge.The battery temperature testing circuit, be used for detecting in real time described Ni-MH battery charging process temperature information, and export described temperature information and described charhing unit is controlled for described charge control module, when the temperature that detects described Ni-MH battery reaches first preset temperature value, can adjust the constant current charge constant current charge; When the temperature that detects described Ni-MH battery reaches second preset temperature value, control described charhing unit complete charge by described charge control module.
Wherein control model selects step further to comprise: the trickle charge step, and select the trickle charge pattern to charge when being used for the magnitude of voltage that detects in the battery voltage detection step less than the first predeterminated voltage value; The constant current charge step is used for selecting when the magnitude of voltage that the battery voltage detection step detects reaches the described first predeterminated voltage value constant current charging mode to charge; The constant voltage charge step is used for selecting when the magnitude of voltage that the battery voltage detection step detects reaches the second predeterminated voltage value constant voltage charge pattern to charge.
With reference to figure 3, the present invention further provides a kind of terminal of using above-mentioned charging device and charging method.This terminal comprises termination function portion 10 and Ni-MH battery charging device 20, this charging device comprises the microprocessing unit 200 and the charhing unit 300 of mutual electric connection again, microprocessing unit 200 comprises again: battery voltage sampling module 201 and charge control module 202, and charge control module 202 is controlled charhing unit according to the information of voltage of the Ni-MH battery 100 of battery voltage sampling module collection; Charhing unit comprises again: the constant-current control circuit 302 of connection parallel with one another, constant-voltage control circuit 303, trickle control circuit 304, charging circuit 301 and charge mode control circuit 305, charge mode control circuit 305 is selected to carry out constant current, constant voltage, three kinds of charge modes of trickle, and is charged by 301 pairs of Ni-MH batteries 100 of described charging circuit according to control signal control constant-current control circuit 302, constant-voltage control circuit 303, the trickle control circuit 304 of charge control module 202.The charging device of this Ni-MH battery also comprises timing control module 203 and the battery temperature testing circuit 102 that is connected with charge control module 202, the battery temperature information that the clocking information of timing control module 203 and battery temperature testing circuit 102 detect all feeds back to charge control module 202, according to clocking information and battery temperature information charhing unit 300 is carried out Comprehensive Control by charge control module 202.The battery temperature testing circuit 102 here can be arranged at microprocessing unit 200, also can be arranged on the Ni-MH battery 100, also is provided with a thermistor that is used for temperature sensing on the Ni-MH battery 100.When the Ni-MH battery 100 to terminal charged, by power supply adaptor 400 power supplies, charging process was with above-mentioned description to the charging device charging process.
Though the present invention discloses as above with preferred embodiment; right its is not in order to limit the present invention; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (12)
1. the charging device of a Ni-MH battery, comprise microprocessing unit and charhing unit, it is characterized in that, described microprocessing unit comprises again: battery voltage sampling module and charge control module, and described charge control module is controlled described charhing unit according to the information of voltage of described battery voltage sampling module collection; Described charhing unit comprises again: the constant-current control circuit of connection parallel with one another, constant-voltage control circuit, trickle control circuit, charging circuit and charge mode control circuit, described charge mode control circuit is controlled described constant-current control circuit, constant-voltage control circuit, trickle control circuit according to the control signal of described charge control module and is selected to carry out constant current, constant voltage, three kinds of charge modes of trickle, and by described charging circuit Ni-MH battery is charged.
2. the charging device of Ni-MH battery according to claim 1, it is characterized in that, described microprocessing unit also comprises a timing control module, be used for the charging process of described Ni-MH battery is carried out timing, and clocking information exported to described charge control module described charhing unit is controlled.
3. the charging device of Ni-MH battery according to claim 1, it is characterized in that, also comprise a battery temperature testing circuit, be used for detecting described Ni-MH battery charging process temperature information in real time, and export described temperature information and described charhing unit is controlled for described charge control module.
4. the charging device of Ni-MH battery according to claim 3 is characterized in that, described Ni-MH battery is provided with the thermistor that is used for temperature sensing.
5. an application rights requires that each described charging device is characterized in that the charging method of Ni-MH battery in 1～4, comprising:
The battery voltage detection step is used for gathering the voltage of Ni-MH battery and exporting to charge control module by the battery voltage sampling module;
Control model is selected step, is used for by charge mode control circuit control signal control constant-current control circuit, constant-voltage control circuit, trickle control circuit selection carrying out constant current, constant voltage, three kinds of charge modes of trickle according to described charge control module output Ni-MH battery being charged.
6. according to the described charging method of claim 5, it is characterized in that, also comprise controlled step when certain, be used for the charging process of described Ni-MH battery is carried out timing, and clocking information exported to described charge control module described charhing unit is controlled.
7. charging method according to claim 5, it is characterized in that, also comprise a battery temperature testing circuit, be used for detecting described Ni-MH battery charging process temperature information in real time, and export described temperature information and described charhing unit is controlled for described charge control module.
8. according to claim 5,6 or 7 described charging methods, it is characterized in that described control model selects step further to comprise:
The trickle charge step selects the trickle charge pattern to charge when being used for the magnitude of voltage that detects in the battery voltage detection step less than the first predeterminated voltage value;
The constant current charge step is used for selecting when the magnitude of voltage that the battery voltage detection step detects reaches the described first predeterminated voltage value constant current charging mode to charge;
The constant voltage charge step is used for selecting when the magnitude of voltage that the battery voltage detection step detects reaches the second predeterminated voltage value constant voltage charge pattern to charge.
9. according to the described charging method of claim 6, it is characterized in that in the described timing controlled step, when timing was finished, described charge control module was controlled described charhing unit complete charge.
10. charging method according to claim 7 is characterized in that, described battery temperature detects in the step, when the temperature that detects described Ni-MH battery reaches first preset temperature value, adjusts the constant current charging mode charging current; When the temperature that detects described Ni-MH battery reaches second preset temperature value, control described charhing unit complete charge by described charge control module.
11. an application rights requires the terminal of each described charging device in 1～4, comprise termination function portion and Ni-MH battery charging device, this charging device comprises microprocessing unit and charhing unit again, it is characterized in that, described microprocessing unit further comprises: battery voltage sampling module, battery temperature testing circuit and charge control module, and described charge control module is controlled described charhing unit according to the information of voltage of described battery voltage sampling module collection and the temperature information of described battery temperature testing circuit detection; Described charhing unit further comprises: the constant-current control circuit of connection parallel with one another, constant-voltage control circuit, trickle control circuit, charging circuit and charge mode control circuit, described charge mode control circuit is controlled described constant-current control circuit, constant-voltage control circuit, trickle control circuit according to the control signal of described charge control module and is selected to carry out constant current, constant voltage, three kinds of charge modes of trickle, and by described charging circuit Ni-MH battery is charged.
12. terminal according to claim 11, it is characterized in that, described microprocessing unit also comprises a timing control module, is used for the charging process of described Ni-MH battery is carried out timing, and clocking information is exported to described charge control module described charhing unit is controlled.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101205032A CN101110522A (en) | 2007-08-20 | 2007-08-20 | Charging device and method for nickel-hydrogen battery and terminal using the device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101205032A CN101110522A (en) | 2007-08-20 | 2007-08-20 | Charging device and method for nickel-hydrogen battery and terminal using the device and method |
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| CN101110522A true CN101110522A (en) | 2008-01-23 |
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| CNA2007101205032A Pending CN101110522A (en) | 2007-08-20 | 2007-08-20 | Charging device and method for nickel-hydrogen battery and terminal using the device and method |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055240A (en) * | 2010-12-08 | 2011-05-11 | 健雄职业技术学院 | Smart charger |
| CN102097841A (en) * | 2010-12-31 | 2011-06-15 | 崧顺电子（深圳）有限公司 | Battery charger |
| CN102332735A (en) * | 2011-06-22 | 2012-01-25 | 杭州炬华科技股份有限公司 | Program controlled charging circuit for nickel-hydrogen battery |
| CN102842740A (en) * | 2012-08-31 | 2012-12-26 | 东莞宇龙通信科技有限公司 | Terminal and charging current regulating method |
| CN103825336A (en) * | 2014-03-10 | 2014-05-28 | 上海锐奇工具股份有限公司 | Charging method for battery packs |
| CN104810873A (en) * | 2014-01-28 | 2015-07-29 | 广东欧珀移动通信有限公司 | Electronic device charging control device and method |
| CN105021998A (en) * | 2015-08-11 | 2015-11-04 | 深圳市亿通科技有限公司 | Battery voltage detection device and electronic equipment |
| CN105790376A (en) * | 2016-04-28 | 2016-07-20 | 王托 | Activation method of over-discharged lead acid valve-regulated battery |
| CN106170903A (en) * | 2014-03-25 | 2016-11-30 | Tek全球有限责任公司 | For the device and method charged for battery |
| CN106786819A (en) * | 2015-11-22 | 2017-05-31 | 重庆宁来科贸有限公司 | Constant-current charge equipment with acousto-optic hint |
| CN109038713A (en) * | 2018-07-19 | 2018-12-18 | 金华安靠电源科技有限公司 | A kind of classification charging management system |
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2007
- 2007-08-20 CN CNA2007101205032A patent/CN101110522A/en active Pending
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102055240A (en) * | 2010-12-08 | 2011-05-11 | 健雄职业技术学院 | Smart charger |
| CN102097841B (en) * | 2010-12-31 | 2014-12-03 | 崧顺电子（深圳）有限公司 | Battery charger |
| CN102097841A (en) * | 2010-12-31 | 2011-06-15 | 崧顺电子（深圳）有限公司 | Battery charger |
| CN102332735A (en) * | 2011-06-22 | 2012-01-25 | 杭州炬华科技股份有限公司 | Program controlled charging circuit for nickel-hydrogen battery |
| CN102332735B (en) * | 2011-06-22 | 2013-06-05 | 杭州炬华科技股份有限公司 | Program controlled charging circuit for nickel-hydrogen battery |
| CN102842740A (en) * | 2012-08-31 | 2012-12-26 | 东莞宇龙通信科技有限公司 | Terminal and charging current regulating method |
| CN104810873A (en) * | 2014-01-28 | 2015-07-29 | 广东欧珀移动通信有限公司 | Electronic device charging control device and method |
| US10193368B2 (en) | 2014-01-28 | 2019-01-29 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging control apparatus and method for electronic device |
| US11283281B2 (en) | 2014-01-28 | 2022-03-22 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging control apparatus and method for electronic device |
| US10630096B2 (en) | 2014-01-28 | 2020-04-21 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Charging control apparatus and method for electronic device |
| US10291050B2 (en) | 2014-01-28 | 2019-05-14 | Guangdong Oppo Mobile Telecommunicaitons Corp., Ltd. | Charging control apparatus and method for electronic device |
| CN103825336A (en) * | 2014-03-10 | 2014-05-28 | 上海锐奇工具股份有限公司 | Charging method for battery packs |
| CN106170903A (en) * | 2014-03-25 | 2016-11-30 | Tek全球有限责任公司 | For the device and method charged for battery |
| CN105021998A (en) * | 2015-08-11 | 2015-11-04 | 深圳市亿通科技有限公司 | Battery voltage detection device and electronic equipment |
| CN106786819A (en) * | 2015-11-22 | 2017-05-31 | 重庆宁来科贸有限公司 | Constant-current charge equipment with acousto-optic hint |
| CN105790376A (en) * | 2016-04-28 | 2016-07-20 | 王托 | Activation method of over-discharged lead acid valve-regulated battery |
| CN109038713A (en) * | 2018-07-19 | 2018-12-18 | 金华安靠电源科技有限公司 | A kind of classification charging management system |
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