CN104539004B - Protect the mobile terminal and its method of charging - Google Patents
Protect the mobile terminal and its method of charging Download PDFInfo
- Publication number
- CN104539004B CN104539004B CN201410744857.4A CN201410744857A CN104539004B CN 104539004 B CN104539004 B CN 104539004B CN 201410744857 A CN201410744857 A CN 201410744857A CN 104539004 B CN104539004 B CN 104539004B
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- Prior art keywords
- charging current
- module
- current
- charging
- mobile terminal
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- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 36
- 238000011946 reduction process Methods 0.000 claims abstract description 15
- 238000001514 detection method Methods 0.000 claims abstract description 8
- 230000005611 electricity Effects 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/44—Methods for charging or discharging
-
- H02J7/0077—
-
- 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention discloses the mobile terminal and its method of protection charging, and the mobile terminal includes：Charger module for exporting the first charging current；The first charging current for receiving charger module, and detect the charging current detection module of the size of the first charging current；For receiving signal and sending the central processing unit of control signal；For receiving the first charging current of charger module output and to the power management module of terminal charge；Opened for when electric current is more than preset value, receiving the control signal that central processing unit sends, and reduce the charging current control module of the first charging current to the second charging current；Emitter follower module for carrying out noise reduction process to the second charging current；For receiving the 3rd charging current crossed by emitter follower module noise reduction process, interrupt signal is sent to central processing unit and the second control signal that central processing unit is sent is received, the Current amplifier module of unlatching.
Description
Technical field
The present invention relates to the charging field of mobile terminal, more particularly to protect the mobile terminal and its method for charging.
Background technology
With the development of intelligent mobile terminal, what the technology that increasing user starts to receive intelligent mobile terminal was brought
Different Consumer's Experience.In addition to it is as most basic communication tool, the powerful application function of intelligent mobile terminal allows
User increasingly be unable to do without it.For example many users also be unable to do without mobile phone when charging, such as send short messages, make a phone call, play trip
Play, browses webpage, sees e-book etc..These operations to the consumption of intelligent mobile terminal battery electric quantity than larger, but due to receiving
To the limitation of power management module internal over pressure protection location, such as charging current is less than 1A, power management module internal over pressure
Protection location is shut off, and Overvoltage protecting unit and power management module are protected, and battery can not charge.This both influences intelligent sliding
The charging of dynamic end cell, extends the charging interval, also influences the normal of user to use.
Therefore, prior art has yet to be improved and developed.
The content of the invention
In view of above-mentioned the deficiencies in the prior art, the mobile terminal charged it is an object of the invention to provide protection and its side
Method, it is intended to the problem of solving to charge when charging current is protected.
Technical scheme is as follows：
The mobile terminal for charging is protected, wherein, including：
Charger module for exporting the first charging current；The first charging current for receiving charger module, and
Detect the charging current detection module of the size of the first charging current；Center for receiving signal and send control signal is processed
Device；For the power management module for receiving the first charging current of charger module output and being charged to mobile terminal；For working as
When first charging current is more than preset value, the control signal that central processing unit sends is received, and reduce the first charging current to the
The charging current control module of two charging currents；Emitter follower module for carrying out noise reduction process to the second charging current；
For receiving the 3rd charging current crossed by emitter follower module noise reduction process, interrupt signal is sent to central processing unit simultaneously
Receive the second control signal that central processing unit sends, the Current amplifier module of unlatching.
The mobile terminal that described protection is charged, wherein, the power management module includes：
Overvoltage protecting unit, when being more than preset value for the first charging current that power management module is received, closes electricity
Source control module.
The mobile terminal that described protection is charged, wherein, the charging current control module includes：
Current Voltage converting unit, for the receive first charging current signal to be converted into first voltage signal；
Pressure unit, for by first voltage signal step-down treatment, exporting second voltage signal；
Voltage current conversion unit, for the second voltage signal to be converted into the second current signal.
The mobile terminal of described protection charging, wherein, the central processing unit includes：
Internal memory unit, for receiving interrupt signal and calling corresponding control instruction signal；
Internal instruction register unit, for storing control instruction signal and performing the control instruction signal.
The mobile terminal of described protection charging, wherein, the Current amplifier module includes：
Current mode operation amplifier module, for the 3rd charging current to be amplified into the 4th charging current.
The mobile terminal that described protection is charged, wherein, the 4th charging current and charger by enhanced processing
First charging current of module output is consistent.
The method of mobile terminal protection charging, wherein, including：
A, the first charging current of output, detect the size of the first charging current；
B, when the first charging current be less than preset value when, output the first charging current charged；
C, when the first charging current be higher than preset value when, reduce the first charging current to less than preset value second charging electricity
Stream；
D, noise reduction process to the 3rd charging current is carried out to the second charging current after, expand the 3rd charging current and fill to the 4th
Electric current, charges to mobile terminal.
The method of described mobile terminal protection charging, wherein, the 4th charging current is big with the first charging current
It is small consistent.
Beneficial effect：When the present invention is charged by charger to mobile terminal, detection input charging current works as charging
When electric current is less than pre-set current value, output charging current charges to mobile terminal, is preset when the charging current of input is more than
During current value, the charging current of input is subjected to current reduction processing, the charging current after reduction is handled is protected by overvoltage
Protect unit after, export charging current, after noise reduction process again by Current amplifier module amplify charging current to and charger
The electric current of output is consistent, and mobile terminal is charged, it is ensured that user inputs high current while being consumed greatly to electricity
Charged, met the demand of electricity.
Brief description of the drawings
The structured flowchart for the mobile terminal that Fig. 1 charges for present invention protection.
Fig. 2 is the power management module structured flowchart of the mobile terminal that present invention protection is charged.
The structured flowchart of the charging current control module for the mobile terminal that Fig. 3 charges for present invention protection.
Fig. 4 is the central processing unit structured flowchart of the mobile terminal that present invention protection is charged.
The structured flowchart of the Current amplifier module for the mobile terminal that Fig. 5 charges for present invention protection.
The method and step flow chart that Fig. 6 charges for present invention protection.
Embodiment
The present invention provides mobile terminal and its method that protection is charged, to make the purpose of the present invention, technical scheme and effect
Clearer, clear and definite, the present invention is described in more detail below.It should be appreciated that specific embodiment described herein is only
To explain the present invention, it is not intended to limit the present invention.
Referring to Fig. 1, structured flowcharts of the Fig. 1 for the mobile terminal of present invention protection charging, wherein, including：
Charger module 100 for exporting the first charging current；The first charging electricity for receiving charger module 100
Stream, and detect the charging current detection module 200 of the size of the first charging current；For receiving signal and sending control signal
Central processing unit 300；For receive charger module 100 output the first charging current and to mobile terminal charge power supply pipe
Reason module 400；For when the first charging current is more than preset value, receiving the control signal that central processing unit 300 sends, and drop
Low first charging current to the second charging current charging current control module 500；For carrying out noise reduction to the second charging current
The emitter follower module 600 of processing；For receiving the 3rd charging electricity crossed by the noise reduction process of emitter follower module 600
Stream, sends interrupt signal to central processing unit 300 and receives the second control signal of the transmission of central processing unit 300, the electricity of unlatching
Flow amplification module 700.The mobile terminal of the protection charging of the present invention, charger module exports the first charging current, charging current
Detection module detects first charging current, when the first charging current is less than preset value, such as 1A,（Preset value is system
The Default Value of acquiescence）, central processing unit control power management module export the first charging current mobile terminal is charged,
When the first charging current is more than preset value 1A, central processing unit control charging current control module is entered to the first charging current
Row step-down is handled, and the first charging current is reduced into the second charging current, the second charging current is less than preset value 1A, the second charging
Electric current is exported by power management module, and by being changed into the 3rd charging current, the 3rd after emitter follower module noise reduction process
Charging current passes through Current amplifier module, is amplified to the 4th charging current, mobile terminal is charged, and realizes high current to shifting
The purpose of dynamic terminal charge.
Further, as shown in Fig. 2 protecting the power management module structured flowchart of the mobile terminal for charging for the present invention,
Input and output for managing electric current, wherein, the power management module 400 includes：
Overvoltage protecting unit 401, when being more than preset value for the first charging current that power management module is received, is closed
Power management module.The power management module control electric current input and output, when the first charging current is less than preset value 1A, the
The blocking electric current of the current value of one charging current and not up to Overvoltage protecting unit, therefore, power management module control first fill
Electric current charges to mobile terminal；And when the first charging current is more than preset value 1A, the current value of the first charging current
The blocking electric current of Overvoltage protecting unit is reached, power management module is closed, the output of electric current is blocked, it is impossible to which mobile terminal is carried out
Charging.
Power management module blocks the output of electric current, and the method for the present invention can be entered when electric current is blocked to mobile terminal
Row charging, is depressured to electric current, charging current is less than preset value 1A, you can output charging current, it is further described in
The mobile terminal for charging is protected, as shown in figure 3, the knot of the charging current control module for the mobile terminal of present invention protection charging
Structure block diagram, wherein, the charging current control module 500 includes：
Current Voltage converting unit 501, for the receive first charging current signal to be converted into first voltage signal；
Pressure unit 502, for the first voltage signal step-down to be handled, exports second voltage signal；
Voltage current conversion unit 503, for the second voltage signal to be converted into the second current signal.
Charging current control module of the invention, for carrying out reduction treatment, the Current Voltage conversion to charging current
Unit, receives the first charging current signal, is converted into corresponding first voltage signal, then by pressure unit to first
Voltage signal carries out step-down treatment, exports second voltage signal, and second voltage signal is processed by voltage current conversion unit, defeated
Go out the second charging current signal, complete the reduction treatment of electric current.
Further, as shown in figure 4, the central processing unit structured flowchart of the mobile terminal for present invention protection charging, institute
Stating central processing unit 300 includes：
Internal memory unit 301, for receiving interrupt signal and calling corresponding control instruction signal；
Internal instruction register unit 302, for storing control instruction signal and performing the control instruction signal.
The central processing unit is used to receive the interrupt signal corresponding control instruction signal of transmission, e.g., when the first electric current is big
When preset value 1A, charging current detection module sends interrupt signal to central processing unit, central processing unit control charging current
Control module carries out reduction treatment to the first charging current.
Further, the second charging current of the invention after reduction is handled is less than preset value, is filled also below first
Electric current value, it is therefore desirable to processing is amplified to the second charging current, and in processing, denoising Processing must be passed through first, place
Again by enhanced processing after reason.
Further, as shown in figure 5, the structural frames of the Current amplifier module for the mobile terminal of present invention protection charging
Figure, including：
Current mode operation amplifier module 701, for the 3rd charging current to be amplified into the 4th charging current.
The Current amplifier module, receives the 3rd charging current signal, sends interrupt signal to central processing unit, center
Processor control electric current amplification module is opened, meanwhile, the charging current of control electric current type operation amplifier intermodule the 3rd is amplified to the
Four charging currents, the 4th charging current charges to mobile terminal.
Further, the mobile terminal that described protection is charged, wherein, the 4th charging current by enhanced processing
It is consistent with the first charging current that charger module is exported, it is ensured that the uniformity of charging current.
Further, the present invention also provides the mobile terminal method that protection is charged, as shown in fig. 6, for the present invention is mobile eventually
The method and step flow chart of end protection charging, wherein, including：
S101, charger module export the first charging current, detect the size of the first charging current；
S102, when the first charging current be less than preset value when, output the first charging current charged；
S103, when the first charging current is higher than preset value, reduce the first charging current to second filling less than preset value
Electric current；
S104, noise reduction process to the 3rd charging current is carried out to the second charging current after, expand the 3rd charging current to the
Four charging currents, charge to mobile terminal.
Specific method and step details of operation has been described in detail in the terminal, therefore is repeated no more.
The method that described mobile terminal protection is charged, wherein, the 4th charging current is big with the first charging current
It is small consistent.
In sum, when the present invention is charged by charger to mobile terminal, detection input charging current works as charging
When electric current is less than pre-set current value, output charging current charges to mobile terminal, is preset when the charging current of input is more than
During current value, the charging current of input is subjected to current reduction processing, the charging current after reduction is handled is protected by overvoltage
Protect unit after, export charging current, after noise reduction process again by Current amplifier module amplify charging current to and charger
The electric current of output is consistent, and mobile terminal is charged, it is ensured that user inputs high current while being consumed greatly to electricity
Charged, met the demand of electricity.
It should be appreciated that application of the invention is not limited to above-mentioned citing, and for those of ordinary skills, can
To be improved or converted according to the above description, all these modifications and variations should all belong to the guarantor of appended claims of the present invention
Protect scope.
Claims (7)
1. protect the mobile terminal of charging, it is characterised in that including：
Charger module for exporting the first charging current；For receiving the first charging current of charger module, and detect
The charging current detection module of the size of first charging current；For receiving signal and sending the central processing unit of control signal；
For receive charger module output the first charging current and to mobile terminal charge power management module；For when first
When charging current is more than preset value, the control signal that central processing unit is sent is received, and reduces the first charging current and is filled to second
The charging current control module of electric current；Emitter follower module for carrying out noise reduction process to the second charging current；For
Receive by after the 3rd charging current that emitter follower module noise reduction process is crossed, interrupt signal is to central processing unit and connects for transmission
Receive the Current amplifier module opened after the second control signal that central processing unit is sent；Second charging current passes through power management mould
Block is exported, and is changed into after emitter follower module noise reduction process the 3rd charging current, and the 3rd charging current is put through overcurrent
Big module, is amplified to the 4th charging current, and mobile terminal is charged；
The power management module includes：
Overvoltage protecting unit, when being more than preset value for the first charging current that power management module is received, closes power supply pipe
Reason module.
2. the mobile terminal of protection charging according to claim 1, it is characterised in that the charging current control module bag
Include：
Current Voltage converting unit, the first charging current signal for that will receive is converted to first voltage signal；
Pressure unit, for by first voltage signal step-down treatment, exporting second voltage signal；
Voltage current conversion unit, for the second voltage signal to be converted into the second current signal.
3. the mobile terminal of protection charging according to claim 1, it is characterised in that the central processing unit includes：
Internal memory unit, for receiving interrupt signal and calling corresponding control instruction signal；
Internal instruction register unit, for storing control instruction signal and performing the control instruction signal.
4. the mobile terminal of protection charging according to claim 1, it is characterised in that the Current amplifier module includes：
Current mode operation amplifier module, for the 3rd charging current to be amplified into the 4th charging current.
5. the mobile terminal that protection according to claim 4 is charged, it is characterised in that described by the 4th of enhanced processing
Charging current is consistent with the first charging current that charger module is exported.
6. the method that mobile terminal protection is charged, it is characterised in that including：
A, charger module export the first charging current, detect the size of the first charging current；
B, when the first charging current be less than preset value when, output the first charging current charged；
C, when the first charging current be higher than preset value when, reduction the first charging current to be less than preset value the second charging current；
D, noise reduction process to the 3rd charging current is carried out to the second charging current after, expand the 3rd charging current to the 4th charge electricity
Stream, charges to mobile terminal；
Second charging current is exported by power management module, and is filled by being changed into the 3rd after emitter follower module noise reduction process
Electric current, the 3rd charging current is amplified to the 4th charging current by Current amplifier module, and mobile terminal is charged；
The power management module includes：
Overvoltage protecting unit, when being more than preset value for the first charging current that power management module is received, closes power supply pipe
Reason module.
7. the method for mobile terminal according to claim 6 protection charging, it is characterised in that the 4th charging current with
First charging current it is in the same size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744857.4A CN104539004B (en) | 2014-12-09 | 2014-12-09 | Protect the mobile terminal and its method of charging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410744857.4A CN104539004B (en) | 2014-12-09 | 2014-12-09 | Protect the mobile terminal and its method of charging |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104539004A CN104539004A (en) | 2015-04-22 |
| CN104539004B true CN104539004B (en) | 2017-07-11 |
Family
ID=52854496
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410744857.4A Expired - Fee Related CN104539004B (en) | 2014-12-09 | 2014-12-09 | Protect the mobile terminal and its method of charging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104539004B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105337368B (en) * | 2015-11-30 | 2018-02-02 | 小米科技有限责任公司 | terminal charging method and device |
| KR102676698B1 (en) * | 2018-12-21 | 2024-06-19 | 삼성전자주식회사 | Electronic device and method for charging battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810887A (en) * | 2011-05-05 | 2012-12-05 | Vega格里沙贝两合公司 | Charging of secondary cells (batteries) with regulated input current |
| CN104065123A (en) * | 2014-06-19 | 2014-09-24 | Tcl通讯（宁波）有限公司 | Detection and control circuit for detecting and controlling charging current and mobile terminal |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6771051B2 (en) * | 2002-06-29 | 2004-08-03 | Motorola, Inc. | Thermally limited battery protection and charging circuit |
| US6850040B2 (en) * | 2003-06-19 | 2005-02-01 | Motorola, Inc. | Charge boost battery charging and protection circuit |
-
2014
- 2014-12-09 CN CN201410744857.4A patent/CN104539004B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102810887A (en) * | 2011-05-05 | 2012-12-05 | Vega格里沙贝两合公司 | Charging of secondary cells (batteries) with regulated input current |
| CN104065123A (en) * | 2014-06-19 | 2014-09-24 | Tcl通讯（宁波）有限公司 | Detection and control circuit for detecting and controlling charging current and mobile terminal |
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| Publication number | Publication date |
|---|---|
| CN104539004A (en) | 2015-04-22 |
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