CN101826740B - Method for reducing power consumption when terminal is charged and terminal - Google Patents

Method for reducing power consumption when terminal is charged and terminal Download PDF

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Publication number
CN101826740B
CN101826740B CN201010107301A CN201010107301A CN101826740B CN 101826740 B CN101826740 B CN 101826740B CN 201010107301 A CN201010107301 A CN 201010107301A CN 201010107301 A CN201010107301 A CN 201010107301A CN 101826740 B CN101826740 B CN 101826740B
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voltage
cell voltage
charging
magnitude
predefined
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CN201010107301A
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Chinese (zh)
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CN101826740A (en
Inventor
魏孔刚
古蒋林
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华为终端有限公司
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The embodiment of the invention discloses a method for reducing power consumption when a terminal is charged. The method is characterized by comprising the following steps: detecting battery voltage, entering the corresponding charging flow according to the detection result of battery voltage, charging a battery under the preset charging current; ensuring the system to enter a standby mode or a sleep mode, and arousing the system to monitor and manage the charging state after the preset time. The embodiment of the invention also discloses a corresponding terminal capable of reducing charging power consumption. After the battery enters the charging state, the method of the embodiment of the invention ensures the system to enter the standby mode or the sleep mode and arouses the system to monitor and manage the charging state after the preset time. The intermittent monitoring and management can reduce the power consumption of the system.

Description

The method and the terminal of power consumption when reducing terminal charge

Technical field

The present invention relates to the data communication field, specifically, relate to a kind of method and portable terminal of power consumption when reducing terminal charge.

Background technology

Along with the development of 3G network, the application of personal terminal also more and more widely, yet power problems also becomes the bottleneck of restriction end product development gradually, wherein the power wastage on the Charge Management of battery especially obtains paying close attention to.

Whether the charging scheme at terminal generally is when the charging beginning, to judge ambient temperature and battery temperature earlier in the prior art, charge with decision, if ambient temperature and battery temperature meet the condition of charging, then detects cell voltage.When cell voltage during less than predefined magnitude of voltage A, get into charging flow one, charge with little electric current, this little electric current can be redefined for charging current A, for example can be the charging current less than 100mA.Simultaneously; System is monitoring environment temperature, battery temperature and cell voltage constantly; When cell voltage during more than or equal to predefined magnitude of voltage A, get into charging flow two, charge with constant big electric current; This constant big electric current also can be redefined for charging current B, for example can be the charging current of 100~500mA.Simultaneously; System is monitoring environment temperature, battery temperature and cell voltage constantly still; When cell voltage during near predetermined quota value, get into charging flow three, carry out constant-potential charge; Wherein said approaching predetermined quota value can be redefined for magnitude of voltage B, and constant charging voltage also can preestablish.Simultaneously, system is monitoring environment temperature, battery temperature and cell voltage constantly, when cell voltage during more than or equal to predetermined quota value, and complete charge.

The inventor is in realizing process of the present invention; Find that there is following shortcoming at least in prior art: because in the conventional battery charging technique; System monitors the Charge Management flow process constantly; For example monitoring environment temperature, battery temperature, cell voltage, charging current etc. constantly, and charged state is switched according to the situation of monitoring make in the charging process system's most of time power consumption too high.

Summary of the invention

The embodiment of the invention provides a kind of method and terminal of power consumption when reducing terminal charge, to reduce the too high problem of system power dissipation in the terminal charge process.

A kind of method of power consumption when reducing terminal charge that the embodiment of the invention provides comprises:

Detect cell voltage, get into corresponding charging flow, battery is charged with preset charging current according to the testing result of cell voltage;

Make system get into standby or sleep pattern, and waken system carry out monitoring management to charged state in predetermined long-time back.

A kind of terminal comprises:

Voltage detection module is used to detect cell voltage;

Charging module is used for getting into corresponding charging flow according to the testing result of cell voltage, with preset charging current battery is charged;

The dormancy administration module is used to make system to get into standby or sleep pattern, and being scheduled to long-time back waken system, notifies said voltage detection module to detect cell voltage.

The embodiment of the invention makes system get into standby or sleep state after battery gets into charged state, and waken system carries out monitoring management to charged state in predetermined long-time back, and this step monitoring management has reduced the power consumption of system.

Description of drawings

Fig. 1 is the schematic flow sheet of the inventive method embodiment one;

Fig. 2 is the schematic flow sheet of the inventive method embodiment two;

Fig. 3 is the structural representation of terminal embodiment of the present invention.

Embodiment

Below in conjunction with accompanying drawing the embodiment of the invention is elaborated.

An embodiment for the present invention is a kind of when the reducing terminal charge method of power consumption shown in Figure 1 comprises:

Step 101, detect cell voltage, get into corresponding charging flow, battery is charged with preset charging current according to the testing result of cell voltage.

Step 102, make system get into standby or sleep pattern, and waken system carry out monitoring management to charged state in predetermined long-time back.

Another embodiment for the present invention is a kind of when the reducing terminal charge method of power consumption shown in Figure 2 comprises:

Whether step 201, detection meet charge condition, and for example whether testing environment temperature and battery temperature meet charge condition, if ambient temperature or battery temperature do not meet charge condition, and can complete charge.Whether perhaps can also detect this terminal is legal charging device etc., when this terminal is not legal charging device, and can complete charge.

Step 202, when meeting charge condition, detect cell voltage, select execution in step 203,205 or 207 according to the testing result of cell voltage.

Step 203, when cell voltage during less than predefined first magnitude of voltage, get into charging flow one, charge with little electric current, this little electric current can be predefined charging current A.

Step 204, make system get into standby or sleep pattern, and whether waken system detect cell voltage more than or equal to said first magnitude of voltage behind predetermined long-time L.Alternatively, can also detect ambient temperature and battery temperature, if ambient temperature or battery temperature do not meet charge condition, can complete charge.

Step 205, when cell voltage during more than or equal to predefined first magnitude of voltage, get into charging flow two, charge with constant big electric current, this constant big electric current also can be redefined for charging current B.

Step 206, make system get into standby or sleep pattern; And whether waken system detects cell voltage more than or equal to predefined second magnitude of voltage behind predetermined long-time M; If cell voltage is then carried out said step 205 less than said second magnitude of voltage, promptly proceed charging flow two.Second magnitude of voltage is a magnitude of voltage near the predetermined quota value of cell voltage.Alternatively, can also detect ambient temperature and battery temperature, if ambient temperature or battery temperature do not meet charge condition, can complete charge.

Step 207, when cell voltage during more than or equal to said second magnitude of voltage, get into charging flow three, carry out constant-potential charge, wherein said constant charging voltage also can be redefined for charging voltage C.

Step 208, make system get into standby or sleep pattern; And whether waken system detection cell voltage equals the predetermined quota value of cell voltage behind predetermined long-time N; If cell voltage is less than the predetermined quota value of cell voltage, then execution in step 207, promptly proceed charging flow three.Alternatively, can also detect ambient temperature and battery temperature, if ambient temperature or battery temperature do not meet charge condition, can complete charge.

Step 209, when cell voltage equals the predetermined quota value of cell voltage, complete charge.

Wherein, predetermined long-time L, M, N can be according to settings such as concrete battery status, ambient condition, safe classes, and L, M, N might not equate, rule of thumb, the choosing value of L, M, N can be L=20ms, M=10ms, N=20ms.The choosing value of L, M, N also can be got other values, and is higher like the fail safe of low current charge stage, and L can choose 1s, 10s, 60s...... etc.; And large current charge and constant-potential charge stage, fail safe is lower, then M or also can choose 500ms, 100ms, 10ms...... etc.; In addition, according to the hardware detection ability of different system, charging process can be divided into more processes, like little electric current (10mA); Medium current (10~100mA), big electric current (100~300mA), maximum current (300~500mA) etc., and pulse current charge, the scheme that the embodiment of the invention provides all be applicable to.

Shown in Figure 3 is terminal embodiment of the present invention, comprises voltage detection module 31, charging module 32 and dormancy administration module 33.Wherein, voltage detection module 31 is used to detect cell voltage; Charging module 32 is used for getting into corresponding charging flow according to the testing result of cell voltage, with preset charging current battery is charged; Dormancy administration module 33 is used to make system to get into standby or sleep pattern, and is being scheduled to long-time back waken system, notifies said voltage detection module 31 to detect cell voltages.

Wherein, said charging module 32 can comprise first charhing unit 321, is used for getting into charging flow one when cell voltage during less than predefined first magnitude of voltage, charges with little electric current, and this little electric current can be predefined charging current A; Second charhing unit 322 is used for getting into charging flow two when cell voltage during more than or equal to predefined first magnitude of voltage, charges with constant big electric current, and this constant big electric current also can be redefined for charging current B; The 3rd charhing unit 323; Be used for when cell voltage during more than or equal to predefined second magnitude of voltage; Get into charging flow three; Carry out constant-potential charge, wherein second magnitude of voltage is a magnitude of voltage near the predetermined quota value of cell voltage, and described constant charging voltage also can be redefined for charging voltage C; The 4th charhing unit 324 is used for when cell voltage equals the predetermined quota value of cell voltage complete charge.

Said dormancy administration module 33 can comprise: the first dormancy administrative unit 331; Being used for working as battery status is charging flow a period of time; Make system get into standby or sleep pattern; And behind predetermined long-time L waken system, notify said voltage detection module 31 whether to detect cell voltages more than or equal to said first magnitude of voltage; The second dormancy administrative unit 332; Be used for when battery status is charging flow two; Make system get into standby or sleep pattern, and behind predetermined long-time M waken system, notify said voltage detection module 31 whether to detect cell voltages more than or equal to predefined second magnitude of voltage; If cell voltage less than said second magnitude of voltage, then notifies said second charhing unit 322 to proceed charging flow two; The 3rd dormancy administrative unit 333; Be used for when battery status is charging flow three; Make system get into standby or sleep pattern, and behind predetermined long-time N waken system, notify said voltage detection module 31 to detect cell voltages and whether equal the predetermined quota value of cell voltage; If cell voltage then notifies said the 3rd charhing unit 323 to proceed charging flow three less than the predetermined quota value of cell voltage.Wherein, predetermined long-time L, M, N can be according to settings such as concrete battery status, ambient condition, safe classes, and L, M, N might not equate, rule of thumb, the choosing value of L, M, N can be L=20ms, M=10ms, N=20ms.The choosing value of L, M, N also can be got other values, and is higher like the fail safe of low current charge stage, and L can choose 1s, 10s, 60s...... etc.; And large current charge and constant-potential charge stage, fail safe is lower, then M or also can choose 500ms, 100ms, 10ms...... etc.; In addition, according to the hardware detection ability of different system, charging process can be divided into more processes, like little electric current (10mA); Medium current (10~100mA), big electric current (100~300mA), maximum current (300~500mA) etc., and pulse current charge, the scheme that the embodiment of the invention provides all be applicable to.

Said terminal can also comprise the condition detection module, is used for detecting whether meet charge condition, and for example whether testing environment temperature and battery temperature meet charge condition, if ambient temperature or battery temperature do not meet charge condition, and can complete charge.Whether perhaps can also detect this terminal is legal charging device etc., when this terminal is not legal charging device, and can complete charge.If meet charge condition, then notify voltage detection module 31 to detect cell voltage.

The embodiment of the invention makes system get into standby or sleep state after battery gets into charged state, and waken system carries out monitoring management to charged state in predetermined long-time back, and this step monitoring management has reduced the power consumption of system.

Description through above execution mode; The those skilled in the art can be well understood to the present invention and can realize by the mode that software adds essential general hardware platform; Can certainly pass through hardware, but the former is better execution mode under a lot of situation.Based on such understanding; The part that technical scheme of the present invention contributes to prior art in essence in other words can be come out with the embodied of software product; This computer software product is stored in the storage medium that can read; Like the floppy disk of computer, hard disk or CD etc. comprise that some instructions are used so that an equipment is carried out the described method of each embodiment of the present invention.

The above; Be merely the preferable embodiment of the present invention, but protection scope of the present invention is not limited thereto, any technical staff who is familiar with the present technique field is in the technical scope that the present invention discloses; The variation that can expect easily or replacement all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection range of claim.

Claims (6)

1. the method for a power consumption when reducing terminal charge is characterized in that, comprising:
Detect cell voltage, get into corresponding charging flow, battery is charged with preset charging current according to the testing result of cell voltage;
Make system get into standby or sleep pattern, and waken system carry out monitoring management to charged state in predetermined long-time back;
Said testing result according to cell voltage gets into corresponding charging flow, with preset charging current battery is charged, and comprising:
When cell voltage during less than predefined first magnitude of voltage, get into charging flow one, charge with little electric current, said little electric current is predefined charging current A;
When cell voltage during more than or equal to predefined first magnitude of voltage, get into charging flow two, charge with constant big electric current, said constant big electric current is predefined charging current B;
When cell voltage during more than or equal to predefined second magnitude of voltage; Get into charging flow three; Carry out constant-potential charge, wherein second magnitude of voltage is a magnitude of voltage near the predetermined quota value of cell voltage, and described constant voltage is predefined charging voltage C;
When cell voltage equals the predetermined quota value of cell voltage, complete charge;
It is said that waken system carries out monitoring management to charged state and comprises in predetermined long-time back:
When battery status be charging flow for the moment, whether waken system detects cell voltage more than or equal to said first magnitude of voltage behind predetermined long-time L;
When battery status was charging flow two, waken system detected cell voltage whether more than or equal to said second magnitude of voltage, if cell voltage is then proceeded charging flow two less than said second magnitude of voltage behind predetermined long-time M;
When battery status was charging flow three, whether waken system detection cell voltage equaled the predetermined quota value of cell voltage behind predetermined long-time N, if cell voltage is then proceeded charging flow three less than the predetermined quota value of said cell voltage.
2. method according to claim 1 is characterized in that, also comprises: detect whether meet charge condition, if do not meet charge condition, then complete charge if meet charge condition, then detects cell voltage.
3. method according to claim 1 is characterized in that, L=20ms, M=10ms, N=20ms.
4. a terminal is characterized in that, comprising:
Voltage detection module is used to detect cell voltage;
Charging module is used for getting into corresponding charging flow according to the testing result of cell voltage, with preset charging current battery is charged;
The dormancy administration module is used to make system to get into standby or sleep pattern, and being scheduled to long-time back waken system, notifies said voltage detection module to detect cell voltage;
Said charging module comprises:
First charhing unit is used for getting into charging flow one when cell voltage during less than predefined first magnitude of voltage, charges with little electric current, and said little electric current is predefined charging current A;
Second charhing unit is used for getting into charging flow two when cell voltage during more than or equal to predefined first magnitude of voltage, charges with constant big electric current, and said constant big electric current is predefined charging current B;
The 3rd charhing unit; Be used for getting into charging flow three, carry out constant-potential charge when cell voltage during more than or equal to predefined second magnitude of voltage; Wherein second magnitude of voltage is a magnitude of voltage near the predetermined quota value of cell voltage, and described constant voltage is predefined charging voltage C;
The 4th charhing unit is used for when cell voltage equals the predetermined quota value of cell voltage complete charge;
Said dormancy administration module comprises:
The first dormancy administrative unit, be used for when battery status be charging flow for the moment, make system get into standby or sleep pattern, and behind predetermined long-time L waken system, notify said voltage detection module whether to detect cell voltage more than or equal to said first magnitude of voltage;
The second dormancy administrative unit; Be used for when battery status is charging flow two; Make system get into standby or sleep pattern, and behind predetermined long-time M waken system, notify said voltage detection module whether to detect cell voltage more than or equal to predefined second magnitude of voltage; If cell voltage less than said second magnitude of voltage, then notifies said second charhing unit to proceed charging flow two;
The 3rd dormancy administrative unit; Be used for when battery status is charging flow three; Make system get into standby or sleep pattern, and behind predetermined long-time N waken system, notify said voltage detection module to detect cell voltage and whether equal the predetermined quota value of cell voltage; If cell voltage then notifies said the 3rd charhing unit to proceed charging flow three less than the predetermined quota value of cell voltage.
5. terminal according to claim 4 is characterized in that, also comprises: the condition detection module; Be used for detecting whether meet charge condition, if do not meet charge condition, complete charge then; If meet charge condition, the notice voltage detection module detects cell voltage.
6. terminal according to claim 4 is characterized in that, L=20ms, M=10ms, N=20ms.
CN201010107301A 2010-02-02 2010-02-02 Method for reducing power consumption when terminal is charged and terminal CN101826740B (en)

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CN102998625B (en) * 2011-09-09 2017-05-24 株式会社杰士汤浅国际 Monitor
CN103928952A (en) * 2013-01-16 2014-07-16 英华达(上海)科技有限公司 Charging system and charging method thereof
CN103280607A (en) * 2013-05-24 2013-09-04 上海斐讯数据通信技术有限公司 Charging method and mobile terminal
CN104283289B (en) * 2014-10-30 2016-07-27 爱国者电子科技有限公司 A kind of Bluetooth charging device and charge control method
CN106126201B (en) * 2016-06-14 2020-01-21 青岛海信移动通信技术股份有限公司 Terminal charging method and device
CN106299516B (en) * 2016-09-21 2019-12-17 奇酷互联网络科技(深圳)有限公司 Intelligent device and charging method thereof
CN106877450B (en) * 2017-03-31 2019-06-28 深圳市电科电源股份有限公司 A kind of family energy-storage system low battery control method
CN110828923A (en) * 2019-11-18 2020-02-21 北京小米移动软件有限公司 Battery charging method, device and medium

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Effective date of registration: 20171128

Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop

Patentee after: HUAWEI terminal (Dongguan) Co., Ltd.

Address before: 518129 Bantian HUAWEI headquarters office building, Longgang District, Guangdong, Shenzhen

Patentee before: Huawei Device Co., Ltd.

CP01 Change in the name or title of a patent holder
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Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

Patentee after: Huawei Device Co., Ltd.

Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province

Patentee before: HUAWEI terminal (Dongguan) Co., Ltd.