CN107994656B - Intelligent charging system and terminal for prolonging service life of battery - Google Patents
Intelligent charging system and terminal for prolonging service life of battery Download PDFInfo
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- CN107994656B CN107994656B CN201711481484.6A CN201711481484A CN107994656B CN 107994656 B CN107994656 B CN 107994656B CN 201711481484 A CN201711481484 A CN 201711481484A CN 107994656 B CN107994656 B CN 107994656B
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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
- H02J7/007—Regulation of charging or discharging current or voltage
- H02J7/0071—Regulation of charging or discharging current or voltage with a programmable schedule
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
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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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The invention discloses an intelligent charging system and a terminal for prolonging the service life of a battery, comprising: the controller comprises a reminding control module and a charging time prediction module, the residual electric quantity detection module is used for detecting the residual electric quantity of the battery and sending the detected residual electric quantity to the controller, the controller compares the residual electric quantity with a threshold value, when the electric quantity is lower than a preset threshold value, the reminding control module sends reminding information to the display, and the charging time prediction module calculates the charging completion time TsetThe controller controls the charging completion time T of the chargersetAnd charging the battery, detecting the residual electric quantity of the battery at fixed intervals, and adjusting the charging completion time in real time. This application can be according to the electric quantity adjustment charging time, prevents that battery charging in-process power and battery from not matching, and the loss battery can prolong battery life.
Description
Technical Field
The invention relates to the field of battery protection, in particular to an intelligent charging system and a terminal for prolonging the service life of a battery.
Background
Mobile terminals such as mobile phones and tablet computers are in great demand, and the cruising ability of the mobile terminals is a content of great concern. And the strength of endurance is related to the properties of the battery. As the battery is used, i.e. the battery is repeatedly charged and discharged, the properties of the battery change, so that the endurance becomes worse and worse, which is a main reason why most mobile terminal users have to change the mobile terminal frequently.
Lithium batteries are widely used in mobile terminals due to their inherent characteristics. However, the existing charging method is not reset for the lithium battery itself, and the past charging method is still adopted, for example, the battery is charged to 100% at a low charge, usually less than 20%, and the battery is kept to 100% until the mobile terminal is disconnected from the power supply. This way of charging causes the lifetime of the lithium battery to be drastically reduced.
Disclosure of Invention
Therefore, in order to solve the above problems, the present invention provides an intelligent charging system for prolonging the service life of a battery, comprising: the controller comprises a reminding control module and a charging time prediction module, the residual electric quantity detection module is used for detecting the residual electric quantity of the battery and sending the detected residual electric quantity to the controller, the controller compares the residual electric quantity with a threshold value, when the electric quantity is lower than a preset threshold value, the reminding control module sends reminding information to the display, and the charging time prediction module calculates the charging completion time TsetThe controller controls the charging completion time T of the chargersetAnd charging the battery, detecting the residual electric quantity of the battery at fixed intervals, and adjusting the charging completion time in real time.
The intelligent charging system for prolonging the service life of the battery comprises a charger, wherein the charger comprises an AC/DC module and a DC/DC module which are connected in parallel, single-pole double-throw switches are arranged at the input ends of the AC/DC module and the DC/DC module, a signal detection and judgment module is arranged at the input end of the single-pole double-throw switches, the signal detection and judgment module and the single-pole double-throw switches are connected with a controller, the controller detects and judges whether an input signal is an alternating current signal or a direct current signal according to the signal detection and judgment module, and the switching of the single-pole double-throw switches is controlled according to the signal type.
The intelligent charging system for prolonging the service life of the battery is characterized in that when the intelligent charging system detects an alternating current signal, the single-pole double-throw switch is switched to the connecting end of the AC/DC module, and when the intelligent charging system detects a direct current signal, the single-pole double-throw switch is switched to the connecting end of the DC/DC module.
The intelligent charging system for prolonging the service life of the battery is characterized in that the AC/DC module comprises a plurality of AC/DC units which are connected in parallel, the DC/DC module comprises a plurality of DC/DC units which are connected in parallel, and the controller controls the input quantity of the AC/DC units and the input quantity of the DC/DC units according to the charging rate.
The intelligent charging system for prolonging the service life of the battery, wherein the fixed period is TsetAnd 5, adjusting the number of the AC/DC units or the DC/DC units put into the system in real time according to different values of the residual capacity so as to adjust the charging power and the charging time.
The intelligent charging system capable of prolonging the service life of the battery is characterized in that the preset threshold is 30%, and the reminding control module is used for reminding in a reminding mode that:
when the electric quantity of the battery is lower than the preset threshold value, the reminding control module sends a reminding signal to the display, and the display reminds a user that the battery needs to be charged; the user can set that when the battery power is lower than the preset threshold value, the battery is directly charged or a prompt box pops up on the display, so that charging is determined according to the selection of the user.
The intelligent charging system for prolonging the service life of the battery, wherein the mode of controlling the battery charging by the controller specifically comprises:
the residual electric quantity detection module detects the electric quantity of the battery, if the electric quantity of the battery is lower than 30%, the controller controls the charger to immediately start a quick charging mode to charge the battery, the electric quantity of the battery is increased to 30%, and meanwhile, the electric quantity recovery time T is obtained through timingrestore；
When the electric quantity of the battery reaches 30%, the controller controls the charger to close the quick charging mode, and the residual charge is calculated through the charging time prediction moduleTime Tresi，Tresi=Tset-TrestoreAccording to the difference between the battery power and 30% power when the battery is accessed and the power recovery time TrestoreObtaining the quick charging characteristic of the battery, and predicting the time T required by the battery to quickly charge from 30% of electric quantity to 100% of electric quantity according to the quick charging characteristicfullAnd predicting the time T required by the lithium battery to rapidly charge from 50% of the electric quantity to 100% of the electric quantityh-full；
Charging device judgment TresiAnd Tfull、Th-fullAnd controlling the charging mode according to the judgment result.
The intelligent charging system for prolonging the service life of the battery, wherein the charging equipment judges TresiAnd Tfull、Th-fullThe controlling the charging mode according to the judgment result specifically comprises:
when T isresiNot more than TfullIn the process, even if a quick charging mode is always adopted, the lithium battery can only just reach a full-charge state or even can not reach the full-charge state when the expected charging completion time arrives, and then the charging equipment starts a quick charging mode to charge the lithium battery in the mobile terminal;
when T isresiGreater than TfullWhen the charging completion time is expected to be sufficient for the lithium battery to be fully charged and there is a remainder, the charging device calculates the trickle charge time Tslow，Tslow=Tresi-Th-fullCharging equipment according to trickle charging time TslowSelecting the trickle current value to be set, and the trickle charge time TslowThe larger the trickle current value is, the smaller the trickle current value is, the charging equipment starts the trickle charging mode to perform trickle charging on the lithium battery in the mobile terminal, closes the trickle charging mode until the electric quantity of the lithium battery reaches 50%, and then starts the quick charging mode to perform quick charging on the lithium battery in the mobile terminal.
A terminal comprising the intelligent charging system for improving the service life of the battery as described in any one of the above.
The terminal, wherein the terminal comprises a lithium battery capable of being charged quickly.
According to the invention, the electric quantity of the battery is detected in real time, the input module of the charging unit in the charger is adjusted, the charging power of the battery is adjusted according to the residual electric quantity, the charging state of the battery can be matched in time, the problem that the battery cannot respond in time due to the always stable charging current in the charging process is reduced, the battery is damaged, and the service life of the battery is prolonged by adjusting the charging power in time.
Drawings
Fig. 1 is a schematic diagram of an intelligent charging system for improving the service life of a battery according to the present application.
Fig. 2 is a schematic diagram of a charger according to the present application.
Detailed Description
As shown in fig. 1, a schematic diagram of an intelligent charging system for prolonging service life of a battery according to the present application, the present invention provides an intelligent charging system for prolonging service life of a battery, including: the controller comprises a reminding control module and a charging time prediction module, the residual electric quantity detection module is used for detecting the residual electric quantity of the battery and sending the detected residual electric quantity to the controller, the controller compares the residual electric quantity with a threshold value, when the electric quantity is lower than a preset threshold value, the reminding control module sends reminding information to the display, and the charging time prediction module calculates the charging completion time TsetThe controller controls the charging completion time T of the chargersetAnd charging the battery, detecting the residual electric quantity of the battery at fixed intervals, and adjusting the charging completion time in real time.
As shown in fig. 2, a schematic structural diagram of the charger of the present application is shown, wherein the charger includes an AC/DC module and a DC/DC module connected in parallel, a single-pole double-throw switch is disposed at an input end of the AC/DC module and the DC/DC module, a signal detection and judgment module is disposed at an input end of the single-pole double-throw switch, the signal detection and judgment module and the single-pole double-throw switch are connected to the controller, and the controller detects and judges whether an input signal is an AC signal or a DC signal according to the signal detection and judgment module, and controls switching of the single-pole double-throw switch according to a signal type.
The intelligent charging system for prolonging the service life of the battery is characterized in that when the intelligent charging system detects an alternating current signal, the single-pole double-throw switch is switched to the connecting end of the AC/DC module, and when the intelligent charging system detects a direct current signal, the single-pole double-throw switch is switched to the connecting end of the DC/DC module.
The intelligent charging system for prolonging the service life of the battery is characterized in that the AC/DC module comprises a plurality of AC/DC units which are connected in parallel, the DC/DC module comprises a plurality of DC/DC units which are connected in parallel, and the controller controls the input quantity of the AC/DC units and the input quantity of the DC/DC units according to the charging rate.
The intelligent charging system for prolonging the service life of the battery, wherein the fixed period is TsetAnd 5, adjusting the number of the AC/DC units or the DC/DC units put into the system in real time according to different values of the residual capacity so as to adjust the charging power and the charging time.
The intelligent charging system capable of prolonging the service life of the battery is characterized in that the preset threshold is 30%, and the reminding control module is used for reminding in a reminding mode that:
when the electric quantity of the battery is lower than the preset threshold value, the reminding control module sends a reminding signal to the display, and the display reminds a user that the battery needs to be charged; the user can set that when the battery power is lower than the preset threshold value, the battery is directly charged or a prompt box pops up on the display, so that charging is determined according to the selection of the user.
The intelligent charging system for prolonging the service life of the battery, wherein the mode of controlling the battery charging by the controller specifically comprises:
the residual electric quantity detection module detects the electric quantity of the battery, if the electric quantity of the battery is lower than 30%, the controller controls the charger to immediately start a quick charging mode to charge the battery, the electric quantity of the battery is increased to 30%, and meanwhile, the electric quantity recovery time T is obtained through timingrestore；
When the electric quantity of the battery reaches 30%, the controller controls the charger to be closedA rapid charging mode, and calculating the residual time T by a charging time prediction moduleresi，Tresi=Tset-TrestoreAccording to the difference between the battery power and 30% power when the battery is accessed and the power recovery time TrestoreObtaining the quick charging characteristic of the battery, and predicting the time T required by the battery to quickly charge from 30% of electric quantity to 100% of electric quantity according to the quick charging characteristicfullAnd predicting the time T required by the lithium battery to rapidly charge from 50% of the electric quantity to 100% of the electric quantityh-full；
Charging device judgment TresiAnd Tfull、Th-fullAnd controlling the charging mode according to the judgment result.
The intelligent charging system for prolonging the service life of the battery, wherein the charging equipment judges TresiAnd Tfull、Th-fullThe controlling the charging mode according to the judgment result specifically comprises:
when T isresiNot more than TfullIn the process, even if a quick charging mode is always adopted, the lithium battery can only just reach a full-charge state or even can not reach the full-charge state when the expected charging completion time arrives, and then the charging equipment starts a quick charging mode to charge the lithium battery in the mobile terminal;
when T isresiGreater than TfullWhen the charging completion time is expected to be sufficient for the lithium battery to be fully charged and there is a remainder, the charging device calculates the trickle charge time Tslow，Tslow=Tresi-Th-fullCharging equipment according to trickle charging time TslowSelecting the trickle current value to be set, and the trickle charge time TslowThe larger the trickle current value is, the smaller the trickle current value is, the charging equipment starts the trickle charging mode to perform trickle charging on the lithium battery in the mobile terminal, closes the trickle charging mode until the electric quantity of the lithium battery reaches 50%, and then starts the quick charging mode to perform quick charging on the lithium battery in the mobile terminal.
A terminal comprising the intelligent charging system for improving the service life of the battery as described in any one of the above.
The terminal, wherein the terminal comprises a lithium battery capable of being charged quickly.
According to the invention, the electric quantity of the battery is detected in real time, the input module of the charging unit in the charger is adjusted, the charging power of the battery is adjusted according to the residual electric quantity, the charging state of the battery can be matched in time, the problem that the battery cannot respond in time due to the always stable charging current in the charging process is reduced, the battery is damaged, and the service life of the battery is prolonged by adjusting the charging power in time.
It should be noted that the above-mentioned embodiments are provided for further detailed description of the present invention, and the present invention is not limited to the above-mentioned embodiments, and those skilled in the art can make various modifications and variations on the above-mentioned embodiments without departing from the scope of the present invention.
Claims (4)
1. An intelligent charging system for prolonging the service life of a battery, which is characterized by comprising: the controller comprises a reminding control module and a charging time prediction module, the residual electric quantity detection module is used for detecting the residual electric quantity of the battery and sending the detected residual electric quantity to the controller, the controller compares the residual electric quantity with a threshold value, when the electric quantity is lower than a preset threshold value, the reminding control module sends reminding information to the display, and the charging time prediction module calculates the charging completion time TsetThe controller controls the charger to finish charging according to the charging completion time TsetCharging a battery, detecting the residual electric quantity of the battery at fixed intervals, and adjusting the charging completion time in real time; the charger comprises an AC/DC module and a DC/DC module which are connected in parallel, wherein the input ends of the AC/DC module and the DC/DC module are provided with single-pole double-throw switches, the input end of each single-pole double-throw switch is provided with a signal detection and judgment module, the signal detection and judgment module and the single-pole double-throw switches are connected with the controller, and the controller is connected with the controllerThe signal detection and judgment module detects and judges whether the input signal is an alternating current signal or a direct current signal and controls the switching of the single-pole double-throw switch according to the type of the signal; when the detection result is an alternating current signal, the single-pole double-throw switch is switched to the connecting end of the AC/DC module, and when the detection result is a direct current signal, the single-pole double-throw switch is switched to the connecting end of the DC/DC module; the AC/DC module comprises a plurality of AC/DC units connected in parallel, the DC/DC module comprises a plurality of DC/DC units connected in parallel, and the controller controls the input quantity of the AC/DC units and the DC/DC units according to the charging rate; the fixed period is TsetThe number of the AC/DC units or the DC/DC units put into the system is adjusted in real time according to different values of the residual electric quantity so as to adjust the charging power and adjust the charging time; the preset threshold value is 30%, and the reminding mode of the reminding control module is as follows:
when the electric quantity of the battery is lower than the preset threshold value, the reminding control module sends a reminding signal to the display, and the display reminds a user that the battery needs to be charged; the user can set that when the battery power is lower than the preset threshold value, the battery is directly charged or a prompt box pops up on the display, so that the charging is determined according to the selection of the user; the method for controlling the charging of the battery by the controller specifically comprises the following steps:
the residual electric quantity detection module detects the electric quantity of the battery, if the electric quantity of the battery is lower than 30%, the controller controls the charger to immediately start a quick charging mode to charge the battery, the electric quantity of the battery is increased to 30%, and meanwhile, the electric quantity recovery time T is obtained through timingrestore；
When the electric quantity of the battery reaches 30%, the controller controls the charger to close the quick charging mode, and the residual time T is calculated through the charging time prediction moduleresi，Tresi=Tset-TrestoreAccording to the difference between the battery power and 30% power when the battery is accessed and the power recovery time TrestoreObtaining the quick charging characteristic of the battery, and predicting the time T required by the battery to quickly charge from 30% of electric quantity to 100% of electric quantity according to the quick charging characteristicfullAnd predicting that the battery is rapidly charged from 50% charge to 100% chargeTime T required for measurementh-full；
Charging device judgment TresiAnd Tfull、Th-fullAnd controlling the charging mode according to the judgment result.
2. The intelligent charging system for prolonging service life of battery according to claim 1, wherein the charging device judges TresiAnd Tfull、Th-fullThe controlling the charging mode according to the judgment result specifically comprises:
when T isresiNot more than TfullWhen the mobile terminal is in a full-power state, the charging equipment starts a quick charging mode to charge the battery in the mobile terminal, even if the quick charging mode is always adopted, the battery can only just reach the full-power state or even can not reach the full-power state when the expected charging completion time arrives;
when T isresiGreater than TfullWhen the charging completion time is expected to be sufficient for the battery to be fully charged and there is a remainder, the charging device calculates the trickle charge time Tslow，Tslow=Tresi-Th-fullCharging equipment according to trickle charging time TslowSelecting the trickle current value to be set, and the trickle charge time TslowThe larger the trickle current value is, the smaller the trickle current value is, the charging device firstly starts the trickle charging mode to perform trickle charging on the battery in the mobile terminal, closes the trickle charging mode until the electric quantity of the battery reaches 50%, and then starts the quick charging mode to perform quick charging on the battery in the mobile terminal.
3. A terminal, characterized in that it comprises an intelligent charging system for improving the service life of a battery according to any one of claims 1-2.
4. The terminal of claim 3, wherein the terminal comprises a fast-rechargeable lithium battery.
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Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108848553B (en) * | 2018-06-27 | 2021-06-29 | 中国联合网络通信集团有限公司 | Charging management method, device and system |
| CN110040036B (en) * | 2019-05-15 | 2024-06-21 | 南京云驱智能科技有限公司 | Reminding equipment and reminding method for lithium battery charging |
| CN110364776B (en) * | 2019-06-26 | 2020-11-13 | 上海商米科技集团股份有限公司 | Intelligent charging management method and device for lithium battery |
| CN110876617B (en) * | 2019-08-28 | 2023-06-16 | 深圳市永康达电子科技有限公司 | Charging system of cardiovascular measuring device |
| CN111538390B (en) * | 2020-03-27 | 2022-09-27 | 努比亚技术有限公司 | Method for controlling terminal temperature, terminal and computer readable storage medium |
| CN112865249B (en) * | 2021-02-09 | 2023-10-20 | 深圳市冠旭电子股份有限公司 | Charging method and device of wireless earphone, charging box and readable storage medium |
| CN113964931A (en) * | 2021-11-12 | 2022-01-21 | 新开普电子股份有限公司 | Intelligent terminal and method for prolonging service life of battery of intelligent terminal |
| CN114389334B (en) * | 2021-12-20 | 2024-05-31 | 深圳市理德铭科技股份有限公司 | Notebook charger for prolonging service life of battery |
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