CN104167790A - Charger and charging control system and method of mobile terminal - Google Patents
Charger and charging control system and method of mobile terminal Download PDFInfo
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- CN104167790A CN104167790A CN201410394142.0A CN201410394142A CN104167790A CN 104167790 A CN104167790 A CN 104167790A CN 201410394142 A CN201410394142 A CN 201410394142A CN 104167790 A CN104167790 A CN 104167790A
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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
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a charger and a charging control system and method of a mobile terminal. The charging control system of the mobile terminal comprises the mobile terminal and the charger. The charger comprises a charging module, a charging control module and a charging on-off control module. The mobile terminal comprises a battery, a signal control module, a charging detection module and a processing module. When the battery of the mobile terminal is charged, the charging detection module detects whether the battery is fully charged or not, and the processing module controls the signal control module according to a detection result of the charging detection module to output a corresponding control signal to the charging control module and the charging on-off control module so as to control the on-off state of the charging on-off control module. When the battery is fully charged, the charging on-off control module is powered off to enable the charger to stop outputting charging voltage and charging current. In this way, the charger is intelligently controlled to carry out charging or stop charging, and the service life of the charger and the service life of the mobile terminal are prolonged.
Description
Technical field
The present invention relates to the control field that charges, particularly the charge control system of a kind of charger, mobile terminal and charge control method thereof.
Background technology
Mobile terminal, as terminal equipments such as mobile phone, intelligent watch, digital cameras, after being full of electricity, is all that people is for pulling out charger.In daily life, people often forget to be had mobile terminal in charging or can not pull out in time the charger of mobile terminal, at mobile terminal, is full of after electricity, and mobile terminal is the state in charging always still.Because battery of mobile terminal now has been full of electricity, the words that recharge not only can make charger heating power consumption, affect the life-span of charger, and mobile terminal are also always in power consumption, affects charge efficiency, and charger generates heat and also has potential safety hazard in addition.Therefore the methods that, existing charging is controlled need improvement and bring new ideas.
Summary of the invention
In view of above-mentioned the deficiencies in the prior art part, the object of the present invention is to provide charge control system and the charge control method thereof of a kind of charger, mobile terminal, improve the charging technique of mobile terminal, make the charging of mobile terminal control more intelligent, handled easily, increases the fail safe of charging.
In order to achieve the above object, the present invention has taked following technical scheme:
A charge control system for mobile terminal, comprises mobile terminal and charger, and described mobile terminal is connected with charger by data wire;
Described charger comprises:
Charging module, for exporting charging voltage and charging current charges the battery;
Charge control module, for exporting the operating state of charging control signal control charging module;
Charging break-make control module, for controlling the break-make of described charging control signal;
Described mobile terminal comprises:
Battery;
Signal controlling module, controls the operating state of charging break-make control module for exporting control signal to charging break-make control module;
Charging detection module, for detection of the charged state of battery;
Processing module, for exporting corresponding control signal according to the testing result control signal control module of charging detection module;
Described battery connects the input of processing module by charging detection module, the output of described processing module connects the input of signal controlling module, the first output of described signal controlling module connects the input of charge control module, the second output of described signal controlling module connects the input of charging module and the output of charge control module by charging break-make control module, and the output of described charging module connects battery by data wire.
In the charge control system of described mobile terminal, described charging detection module, specifically for detecting the charged state of battery every the scheduled time.
In the charge control system of described mobile terminal, described processing module, specifically for when charging detection module detects battery underfill electricity, enabling signal control module makes it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module, processing module output low level signal is to signal controlling module afterwards, make it export the second control signal to charging break-make control module, the break-make control module that makes to charge is locked in conducting state, makes the charging path conducting between charge control module and charging module; When charging detection module detection battery is full of electricity, enabling signal control module makes its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module, the high level signal of processing module output is afterwards to signal controlling module, make its output the 4th control signal to charging break-make control module, the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
In the charge control system of described mobile terminal, described charging break-make control module comprises PMOS pipe, and the grid of described PMOS pipe connects signal controlling module, and the source electrode of described PMOS pipe connects charge control module, and the drain electrode of PMOS pipe connects charging module.
In the charge control system of described mobile terminal, described processing module, specifically for when charging detection module detects battery underfill electricity, enabling signal control module makes it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module, the high level signal of processing module output is afterwards to signal controlling module, make it export the second control signal to charging break-make control module, the break-make control module that makes to charge is locked in conducting state, makes the charging path conducting between charge control module and charging module; When charging detection module detection battery is full of electricity, enabling signal control module makes its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module, processing module output low level signal is to signal controlling module afterwards, make its output the 4th control signal to charging break-make control module, the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
In the charge control system of described mobile terminal, described charging break-make control module comprises NMOS pipe, and the grid of described NMOS pipe connects signal controlling module, and the drain electrode of described NMOS pipe connects charge control module, and the source electrode of NMOS pipe connects charging module.
A charger, comprising:
Charging module, for exporting charging voltage and charging current charges the battery;
Charge control module, for exporting the operating state of charging control signal control charging module;
Charging break-make control module, for controlling the break-make of described charging control signal;
Described charge control module connects charging module by charging break-make control module.
The charge control method of the charge control system of described mobile terminal, comprising:
A, by charging detection module, detect the charged state of battery, and testing result is fed back to processing module;
B, processing module are exported corresponding control signal according to the testing result control signal control module of charging detection module and are controlled charging break-make control module, for controlling the break-make of described charging control signal, the break-make control module that makes to charge is controlled the break-make of the charging control signal of charge control module output.
In described charge control method, described step B specifically comprises:
B1, in detection battery underfill when electricity of charging detection module, by processing module enabling signal control module, make it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module;
B2, processing module output low level signal, to signal controlling module, make it export the second control signal to charging break-make control module, and the break-make control module that makes to charge is locked in conducting state, makes the charging path conducting between charge control module and charging module;
B3, at the detection battery of charging detection module, while being full of electricity, by processing module enabling signal control module, make its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module;
B4, processing module output high level signal, to signal controlling module, make its output the 4th control signal to charging break-make control module, and the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
In described charge control method, described step B specifically comprises:
B1 ', in detection battery underfill when electricity of charging detection module, by processing module enabling signal control module, make it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module;
B2 ', processing module output high level signal, to signal controlling module, make it export the second control signal to charging break-make control module, and the break-make control module that makes to charge is locked in conducting state, makes the charging path conducting between charge control module and charging module;
B3 ', at the detection battery of charging detection module, while being full of electricity, by processing module enabling signal control module, make its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module;
B4 ', processing module output low level signal, to signal controlling module, make its output the 4th control signal to charging break-make control module, and the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
Compared to prior art, charger provided by the invention, the charge control system of mobile terminal and charge control method thereof, the battery of mobile terminal is when charging, charging detection module detects the charged state of battery, be battery underfill or full state, processing module is exported corresponding control signal to charge control module and charging break-make control module according to the testing result control signal control module of charging detection module, control the on off operating mode of charging break-make control module, when battery underfill electricity, the conducting of charging break-make control module, charging module is charged the battery, when battery is full of electricity, charging break-make control module disconnects and makes charging module stop exporting charging voltage and charging current, realized automatic identification battery charging state, and then charge or stop charging according to the charged state Based Intelligent Control charger of battery, neither need people for keeping an eye on charger, to user, provide convenience, prevented that again charger from overcharging to battery, improve the fail safe of charging, extended the useful life of charger and mobile terminal.
Accompanying drawing explanation
Fig. 1 is the structured flowchart of the charge control system of mobile terminal of the present invention.
Fig. 2 is the flow chart of charge control method of the charge control system of mobile terminal of the present invention.
Embodiment
The invention provides charge control system and the charge control method thereof of charger, mobile terminal; by detecting the charged state of battery of mobile terminal; according to different charged states, control charger and whether need to export charging voltage and charging current; do not need people for keeping an eye on charger; when being full of electricity, battery make charger automatically stop exporting charging voltage and charging voltage; effectively protect charger and battery, reduced charger heating, improved the fail safe of charging.
For making object of the present invention, technical scheme and effect clearer, clear and definite, referring to accompanying drawing, developing simultaneously, the present invention is described in more detail for embodiment.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, the charge control system of mobile terminal provided by the invention, comprises charger 10 and mobile terminal 20, and described mobile terminal 20 is connected with charger 10 by data wire.Described charger 10 comprises: charge control module 101, charging module 102 and charging break-make control module 103, described mobile terminal comprises: battery 201, charging detection module 202, processing module 203 and signal controlling module 204.
Wherein, the output of described charging module 102 connects battery by data wire, for exporting charging voltage and charging current to battery 201 chargings.Described charge control module 101 is controlled the operating state of charging module 102 for exporting charging control signal.Described charging break-make control module 103 is for controlling the break-make of described charging control signal.
Described battery 201 connects the input of processing module 203 by charging detection module 202, the output of described processing module 203 connects the input of signal controlling module 204, charging detection module 202, for detection of the charged state of battery 201, comprises and is full of electricity and underfill electricity two states.The first output of described signal controlling module 204 connects the input of charge control module 101, the second output of described signal controlling module 204 connects the input of charging module 102 and the output of charge control module 101 by charging break-make control module 103, and signal controlling module 204 is controlled the operating state of charging break-make control module 103 for exporting control signal to charging break-make control module 103.Described processing module 203 is exported corresponding control signal for the testing result control signal control module 204 according to charging detection module 202.
Described charging detection module 202 is specifically for detect the charged state of battery 201 every the scheduled time, preferred, with interval, within five minutes, detects once better.Described charging detection module 202 is also for detect the temperature of battery 201 every the scheduled time, and described processing module is also for sending early warning when battery 201 excess Temperature.The present invention by described charging detection module 202 by the charged state of the battery detecting 201 real-time feed back to processing module 203, make processing module 203 make respective reaction, finally make battery 201 continue charging or stop charging, make charging control optimization, avoided overcharging.
During concrete enforcement, described processing module 203 is specifically for when the detection module 202 that charges detects battery 201 underfills electricity, enabling signal control module 204 makes it export the first control signal to charge control module 101, notice charge control module 101 keeps the charged state of charging module 102, processing module 203 output low level signals are to signal controlling module 204 afterwards, make it export the second control signal to charging break-make control module 103, the break-make control module 103 that makes to charge is locked in conducting state, make the charging path conducting between charge control module 101 and charging module 102, when charging detection module 202 detection batteries 201 are full of electricity, enabling signal control module 204 makes its output the 3rd control signal to charge control module 101, charge control module 101 is waited for and turn-offed charging module 102, processing module 203 output high level signals are to signal controlling module 204 afterwards, make its output the 4th control signal to charging break-make control module 103, the break-make control module 103 that makes to charge is locked in off-state, and the charging path between charge control module 101 and charging module 102 is disconnected.The central processing unit that described processing module 203 is mobile terminal, not needing additionally increases chip and circuit, has simplified the structure of mobile terminal, has saved the space of pcb board, has optimized the function of mobile terminal under the prerequisite that does not increase hardware cost.
Described charging break-make control module 103 comprises PMOS pipe, and the grid of described PMOS pipe connects signal controlling module 204, and the source electrode of described PMOS pipe connects charge control module 101, the drain charge module 102 of PMOS pipe.Further, the switching circuit that described charging break-make control module 103 can also consist of PNP triode or NMOS pipe and inverter replaces this PMOS to manage, as long as can realize while having low level signal input in charging break-make control module 103, make conducting between charge control module 101 and charging module 102, when having high level signal input, make to disconnect between charge control module 101 and charging module 102.
Certainly in other embodiments, described processing module 203, while being also used in charging detection module 202 detection battery 201 underfills electricity, enabling signal control module 204 makes it export the first control signal to charge control module 101, notice charge control module 101 keeps the charged state of charging module 102, processing module 203 output high level signals are to signal controlling module 204 afterwards, make it export the second control signal to charging break-make control module 103, the break-make control module 103 that makes to charge is locked in conducting state, make the charging path conducting between charge control module 101 and charging module 102, when charging detection module 202 detection batteries 201 are full of electricity, enabling signal control module 204 makes its output the 3rd control signal to charge control module 101, charge control module 101 is waited for and turn-offed charging module 102, processing module 203 output low level signals are to signal controlling module 204 afterwards, make its output the 4th control signal to charging break-make control module 103, the break-make control module 103 that makes to charge is locked in off-state, and the charging path between charge control module 101 and charging module 102 is disconnected.
Described charging break-make control module 103 comprises NMOS pipe, and the grid of described NMOS pipe connects signal controlling module 204, and the drain electrode of described NMOS pipe connects charge control module 101, and the source electrode of NMOS pipe connects charging module 102.Accordingly, the switching circuit that described charging break-make control module 103 also can consist of NPN triode or PMOS pipe and inverter replaces described NMOS to manage, as long as can realize while having high level signal input in charging break-make control module 103, make conducting between charge control module 101 and charging module 102, when having low level signal input, make to disconnect between charge control module 101 and charging module 102.
In charge control system of the present invention, it is PMOS pipe or NMOS pipe that processing module output high level signal or low level signal depend primarily on charging break-make control module 103, after having determined the type of switching tube, then the low and high level type of set handling module output signal.
Originally return a kind of described charger is also provided, it comprises charging module, charge control module and charging break-make control module, because this charger have been described in detail above, repeats no more herein.
Charge control system based on above-mentioned, the embodiment of the present invention is also corresponding provides a kind of charge control system of above-mentioned mobile terminal that adopts to realize the method that Based Intelligent Control is charged, and refers to Fig. 2, and it comprises:
S100, by charging detection module, detect the charged state of battery, and testing result is fed back to processing module;
S200, processing module are exported corresponding control signal according to the testing result control signal control module of charging detection module and are controlled charging break-make control module, for controlling the break-make of described charging control signal, the break-make control module that makes to charge is controlled the break-make of the charging control signal of charge control module output.
Wherein, described step S200 specifically comprises:
201, when the detection battery underfill electricity of charging detection module, by processing module enabling signal control module, make it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module;
202, processing module output low level signal, to signal controlling module, makes it export the second control signal to charging break-make control module, and the break-make control module that makes to charge is locked in conducting state, makes the charging path conducting between charge control module and charging module;
203, when the detection battery of charging detection module is full of electricity, by processing module enabling signal control module, make its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module;
204, processing module output high level signal, to signal controlling module, makes its output the 4th control signal to charging break-make control module, and the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
Further, described step S200 can also comprise:
201 ', in detection battery underfill when electricity of charging detection module, by processing module enabling signal control module, make it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module;
202 ', processing module output high level signal is to signal controlling module, make it export the second control signal to charging break-make control module, the break-make control module that makes to charge is locked in conducting state, makes the charging path conducting between charge control module and charging module;
203 ', at the detection battery of charging detection module, while being full of electricity, by processing module enabling signal control module, make its output the 3rd control signal to charge control module, charge control module is waited for and is turn-offed charging module;
204 ', processing module output low level signal is to signal controlling module, make its output the 4th control signal to charging break-make control module, the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
In sum, the charge control system of charger provided by the invention, mobile terminal and charge control method thereof, the battery of mobile terminal is when charging, charging detection module detects the charged state of battery, be battery underfill or full state, processing module is exported corresponding control signal to charge control module and charging break-make control module according to the testing result control signal control module of charging detection module, control the on off operating mode of charging break-make control module, when battery underfill electricity, the conducting of charging break-make control module, charges the battery charging module; When battery is full of electricity, charging break-make control module disconnects and makes charging module stop exporting charging voltage and charging current, realized automatic identification battery charging state, and then charge or stop charging according to the charged state Based Intelligent Control charger of battery, neither need people for keeping an eye on charger, to user, provide convenience, prevented that again charger from overcharging to battery, improve the fail safe of charging, extended the useful life of charger and mobile terminal.
Be understandable that, for those of ordinary skills, can be equal to replacement or change according to technical scheme of the present invention and inventive concept thereof, and all these changes or replacement all should belong to the protection range of the appended claim of the present invention.
Claims (10)
1. a charge control system for mobile terminal, is characterized in that, comprises mobile terminal and charger, and described mobile terminal is connected with charger by data wire;
Described charger comprises:
Charging module, for exporting charging voltage and charging current charges the battery;
Charge control module, for exporting the operating state of charging control signal control charging module;
Charging break-make control module, for controlling the break-make of described charging control signal;
Described mobile terminal comprises:
Battery;
Signal controlling module, controls the operating state of charging break-make control module for exporting control signal to charging break-make control module;
Charging detection module, for detection of the charged state of battery;
Processing module, for exporting corresponding control signal according to the testing result control signal control module of charging detection module;
Described battery connects the input of processing module by charging detection module, the output of described processing module connects the input of signal controlling module, the first output of described signal controlling module connects the input of charge control module, the second output of described signal controlling module connects the input of charging module and the output of charge control module by charging break-make control module, and the output of described charging module connects battery by data wire.
2. the charge control system of mobile terminal according to claim 1, is characterized in that, described charging detection module, specifically for detecting the charged state of battery every the scheduled time.
3. the charge control system of mobile terminal according to claim 1, it is characterized in that, described processing module, specifically for when charging detection module detects battery underfill electricity, enabling signal control module makes it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module, processing module output low level signal is to signal controlling module afterwards, make it export the second control signal to charging break-make control module, the break-make control module that makes to charge is locked in conducting state, make the charging path conducting between charge control module and charging module, when charging detection module detection battery is full of electricity, enabling signal control module makes its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module, the high level signal of processing module output is afterwards to signal controlling module, make its output the 4th control signal to charging break-make control module, the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
4. the charge control system of mobile terminal according to claim 3, it is characterized in that, described charging break-make control module comprises PMOS pipe, and the grid of described PMOS pipe connects signal controlling module, the source electrode of described PMOS pipe connects charge control module, and the drain electrode of PMOS pipe connects charging module.
5. the charge control system of mobile terminal according to claim 1, it is characterized in that, described processing module, specifically for when charging detection module detects battery underfill electricity, enabling signal control module makes it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module, the high level signal of processing module output is afterwards to signal controlling module, make it export the second control signal to charging break-make control module, the break-make control module that makes to charge is locked in conducting state, make the charging path conducting between charge control module and charging module, when charging detection module detection battery is full of electricity, enabling signal control module makes its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module, processing module output low level signal is to signal controlling module afterwards, make its output the 4th control signal to charging break-make control module, the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
6. the charge control system of mobile terminal according to claim 5, it is characterized in that, described charging break-make control module comprises NMOS pipe, and the grid of described NMOS pipe connects signal controlling module, the drain electrode of described NMOS pipe connects charge control module, and the source electrode of NMOS pipe connects charging module.
7. a charger, is characterized in that, comprising:
Charging module, for exporting charging voltage and charging current charges the battery;
Charge control module, for exporting the operating state of charging control signal control charging module;
Charging break-make control module, for controlling the break-make of described charging control signal;
Described charge control module connects charging module by charging break-make control module.
8. a charge control method for the charge control system of mobile terminal described in claim 1, is characterized in that, comprising:
A, by charging detection module, detect the charged state of battery, and testing result is fed back to processing module;
B, processing module are exported corresponding control signal according to the testing result control signal control module of charging detection module and are controlled charging break-make control module, for controlling the break-make of described charging control signal, the break-make control module that makes to charge is controlled the break-make of the charging control signal of charge control module output.
9. charge control method according to claim 8, is characterized in that, described step B specifically comprises:
B1, in detection battery underfill when electricity of charging detection module, by processing module enabling signal control module, make it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module;
B2, processing module output low level signal, to signal controlling module, make it export the second control signal to charging break-make control module, and the break-make control module that makes to charge is locked in conducting state, makes the charging path conducting between charge control module and charging module;
B3, at the detection battery of charging detection module, while being full of electricity, by processing module enabling signal control module, make its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module;
B4, processing module output high level signal, to signal controlling module, make its output the 4th control signal to charging break-make control module, and the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
10. charge control method according to claim 8, is characterized in that, described step B specifically comprises:
B1 ', in detection battery underfill when electricity of charging detection module, by processing module enabling signal control module, make it export the first control signal to charge control module, notice charge control module keeps the charged state of charging module;
B2 ', processing module output high level signal, to signal controlling module, make it export the second control signal to charging break-make control module, and the break-make control module that makes to charge is locked in conducting state, makes the charging path conducting between charge control module and charging module;
B3 ', at the detection battery of charging detection module, while being full of electricity, by processing module enabling signal control module, make its output the 3rd control signal to charge control module, charge control module is waited for and turn-offed charging module;
B4 ', processing module output low level signal, to signal controlling module, make its output the 4th control signal to charging break-make control module, and the break-make control module that makes to charge is locked in off-state, and the charging path between charge control module and charging module is disconnected.
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| CN101611525A (en) * | 2007-02-19 | 2009-12-23 | 松下电器产业株式会社 | Charging system, charging device and battery component |
| CN101102052A (en) * | 2007-06-13 | 2008-01-09 | 华为技术有限公司 | Power supply unit, power supply device and system and power supply method |
| CN201312131Y (en) * | 2008-10-16 | 2009-09-16 | 上海华勤通讯技术有限公司 | Cell phone charging circuit and cell phone battery charging system |
| CN101562655A (en) * | 2009-05-22 | 2009-10-21 | 吴江金达精工机械有限公司 | Anti over-charging mobile phone |
| EP2667520A1 (en) * | 2012-05-25 | 2013-11-27 | LG Innotek Co., Ltd. | Apparatus and method for displaying state of terminal |
| JP2014044147A (en) * | 2012-08-28 | 2014-03-13 | Fujitsu Telecom Networks Ltd | Charging/discharging test system enabling check of incorrect wiring |
| JP2014072992A (en) * | 2012-09-28 | 2014-04-21 | Mitsubishi Motors Corp | Chargeability determination device of battery |
| CN103117583A (en) * | 2013-02-28 | 2013-05-22 | 山东润峰电子科技有限公司 | Full-automatic low static power consumption charger |
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| CN105743190A (en) * | 2014-12-23 | 2016-07-06 | 蒋本璋 | Intelligent power source adaption system |
| CN107453418A (en) * | 2017-06-23 | 2017-12-08 | 深圳天珑无线科技有限公司 | The device and its mobile terminal of the charging connector of automatic spring charging device |
| CN108023381A (en) * | 2017-12-14 | 2018-05-11 | 贵州财富之舟科技有限公司 | Charge management circuit and mobile terminal |
| CN112874338A (en) * | 2021-01-25 | 2021-06-01 | 浙江绿驹车业有限公司 | Electric vehicle charger with state monitoring function |
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