CN106684996A - Multiplexer and fast charging control method, control device, mobile terminal and charger - Google Patents

Multiplexer and fast charging control method, control device, mobile terminal and charger Download PDF

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Publication number
CN106684996A
CN106684996A CN201710012496.8A CN201710012496A CN106684996A CN 106684996 A CN106684996 A CN 106684996A CN 201710012496 A CN201710012496 A CN 201710012496A CN 106684996 A CN106684996 A CN 106684996A
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CN
China
Prior art keywords
charging
control
charge
charge switch
temperature
Prior art date
Application number
CN201710012496.8A
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Chinese (zh)
Inventor
徐强
Original Assignee
宇龙计算机通信科技(深圳)有限公司
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Application filed by 宇龙计算机通信科技(深圳)有限公司 filed Critical 宇龙计算机通信科技(深圳)有限公司
Priority to CN201710012496.8A priority Critical patent/CN106684996A/en
Publication of CN106684996A publication Critical patent/CN106684996A/en

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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/44Methods for charging or discharging
    • H01M10/443Methods for charging or discharging in response to temperature
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • 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 invention provides a multiplexer and fast charging control method, a control device and a mobile terminal. Among them, the multiplexer and fast charging control method includes detecting the power of a battery and the temperature of a charging chip of any way among multiple ways of charging circuits when switching on power supply for charging, and controlling the states of the switching on and the outage of a relevant charging switch of a charging chip of any way according to the battery power and the temperature of the charging chip of any way detected. According to the technical scheme, the states of the switching on and the outage of the charging switch of any way can be controlled, and then the multiplexer and fast charging control method can prevent the temperature of charging chip becoming too high, increasing the charging speed as faster as possible and improving the user experience on the premise of ensuring a safe temperature.

Description

Multichannel control method for quickly charging, control device, mobile terminal and charger
Technical field
The present invention relates to charging technique field, in particular to a kind of multichannel control method for quickly charging, a kind of multichannel Quick charge control device, a kind of mobile terminal and a kind of charger.
Background technology
In traditional charging scheme, charging circuit is single, and charge efficiency is relatively low, with use of the user to terminal unit Demand more and more higher, traditional charging method can not meet consumer demand.In order to solve this problem, existing technical side In case, propose by the way of low voltage and high current, and in order to prevent, electric current is too high to puncture circuit, solves high current in transmission Excessive problem is lost in circuit, certain stream measure is taken, such as is shunted using 2 charging chips;Also Technical scheme takes the mode for increasing voltage and current to be simultaneously charged battery.But, in process of the present invention is realized, send out A person of good sense has found at least there is problems with prior art:Although can increase total current in prior art reaches the effect filled soon Really, but multichannel charging circuit can only be closed at and disconnect, and without safety protective circuit, can not in efficiency and heating control Accomplish balance well.
Therefore, how on the premise of control temperature ensures safety, the effect of quick charge is reached, becomes urgently to be resolved hurrily Problem.
The content of the invention
It is contemplated that at least solving one of technical problem present in prior art or correlation technique.
For this purpose, it is an object of the present invention to proposing a kind of multichannel control method for quickly charging.
Further object is that proposing a kind of multichannel quick charge control device.
A further object of the present invention is to propose a kind of mobile terminal.
Another object of the present invention is to propose a kind of charger.
For achieving the above object, a kind of technical scheme according to the first aspect of the invention, it is proposed that multichannel quick charge Control method, including:Switch on power when being charged, detect arbitrary in multiple charge paths of battery electric quantity and charging circuit The temperature of road charging chip;According to the battery electric quantity for detecting and the temperature of arbitrary road charging chip, arbitrary road charging core is controlled The on off operating mode of the corresponding charge switch of piece.
According to the first aspect of the invention the multichannel control method for quickly charging of technical scheme, electric in charging equipment connection When source starts to charge up, the electricity of the battery of charging equipment is detected, multiple charge paths are set in charging circuit, can be simultaneously Battery charges, and charging chip and corresponding charge switch are arranged in each charge path, detects the temperature of each charging chip, Can ensure that the safety of charging process, it is ensured that charging circuit will not be made overheated, or even burn charging circuit.By to charge switch Break-make control, may be controlled to charging equipment charging mode.When charge switch is all closed, as quick charge Pattern, when wherein there is charge switch to disconnect, as safe charging pattern.According to the battery electric quantity for detecting and each closure The corresponding charging chip of charge switch temperature controlling the on off operating mode of each charge switch.If control is corresponding Charge switch disconnects, no current in the charge path of Ze Gai roads, can also be now charging equipment using other charge paths Charge, if the charge switch closure that control disconnects, Ze Gai roads charge path continues as the battery of charging equipment and is charged, So, the danger of the too high generation of temperature had both been prevented, also can have ensured to the full extent for charging equipment quick charge, to enter one Step ground, protects the service life of charging equipment and charging circuit, lifts the experience of user.
The multichannel control method for quickly charging of above-mentioned technical proposal of the invention, can also have following technology special Levy:
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that according to the battery electric quantity for detecting And the temperature of arbitrary road charging chip, the on off operating mode of the corresponding charge switch of arbitrary road charging chip is controlled, specifically include:Such as Fruit battery electric quantity closes the corresponding charge switch of all charging chips less than the first default electricity, then control;If battery electric quantity More than or equal to the first default electricity, then control closes the corresponding charge switch of charging chip of predetermined number, wherein, if arbitrary The temperature of the corresponding charging chip of charge switch of closure exceeds the first preset temperature threshold value, then control disconnects the charging chip pair The charge switch answered.
In the technical scheme, if switch on power start to charge up when, detect battery electric quantity electricity default less than first Amount, then all of charge switch of control closure, i.e., be simultaneously that charging equipment charges using all of charging chip, so can be with Start to charge up temperature it is relatively low when, fully using charging circuit be charging equipment charge, improve charge efficiency.If detection Electricity to battery when starting to charge up disconnects the charge switch of a part more than or equal to the first default electricity, then control, now The battery electric quantity of charging equipment is higher, even if also can comparatively fast be full of using the charging circuit of a part, therefore opens a part Charge switch, can avoid charging circuit all the time in oepration at full load state, improve charging circuit and wherein charging chip Service life.If additionally, the temperature of the corresponding charging chip of the charge switch for detecting arbitrary closure is default beyond first Temperature threshold, then control to disconnect the charge switch of the closure, prevents in time because filling caused by the heating in charging process Electrical chip temperature is too high, and protection charging chip is without prejudice, lifts the service life of charging chip, meanwhile, prevent because temperature It is too high to cause to burn charging circuit, cause danger.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that further include:If arbitrary The temperature of the corresponding charging chip of charge switch of closure exceeds the second preset temperature threshold value, then control stops being charged to battery, Wherein, the second preset temperature threshold value is more than the first preset temperature threshold value.
In the technical scheme, if in charging process, fortuitous event occur can not in time control the temperature of charging chip Degree, then may charging chip temperature is too high causes to damage charging chip or burn charging circuit, therefore, when detecting charging chip When temperature is more than the second preset temperature threshold value, control stops being charged to battery, it is to avoid the too high loss for causing of temperature.Stop to electricity After pond is charged, without electric current in charging circuit, temperature will not continue to rise, therefore charging equipment will not be impacted, together When can guarantee that the safety of charging circuit.The setting of the second preset temperature threshold value, can on the basis of the first preset temperature threshold value, Increase by one to protect again, it is ensured that the temperature of charging chip too high will not cause damage.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that further include:If detection It is short-circuited to charging circuit, then control stops being charged to battery.
In the technical scheme, if charging circuit is short-circuited, the electric current of short-circuiting percentage is quite big, can not only be Accumulation amount of heat, burns circuit in short time, and can burn the charging chip and charging circuit of short-circuiting percentage.Therefore, Once detecting current spikes increase or system detectio being short-circuited to circuit, then control disconnects charge switch or disconnection is filled The input voltage of electrical interface, it is also possible to by the path charged to battery in the circuit system for disconnecting charging equipment, make charging Circuit deenergization, prevents the short circuit phenomenon in charging circuit from causing danger.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that further include:Charge switch After being disconnected, if the temperature value of the corresponding charging chip of charge switch is detected less than or equal to the first preset temperature threshold value, and Charging process is not completed, then control closure charge switch.
In the technical scheme, the temperature of the corresponding charging chip of charge switch of closure is if greater than the first preset temperature Threshold value, then the charge switch will be disconnected, prevent because temperature is higher that charging chip and charging circuit are impacted.When filling After electric switch disconnects, charging chip stops charging, and the temperature of charging chip is gradually lowered, when temperature is dropped below equal to first During preset temperature threshold value, the temperature of charging chip will not cause damage to itself and charging circuit, and now control closes the disconnection Charge switch, start for charging equipment charging.So, just can ensure as much as possible with most under the premise that security is guaranteed Big output to the battery of charging equipment charges, it is ensured that quick charge.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that further include:If control After the instruction of disconnection charge switch sends, detecting charge switch place charge path has electric current, or control closure charge switch Instruction send after, detect charge switch place charge path no current, then control stop to battery charge.
In the technical scheme, if the control to charge switch can not timely and effectively be implemented, the temperature of charging chip Height is spent, charge switch can not disconnect in time again, the temperature of charging chip will continue to rise, it is more likely that burn charging chip And charging circuit;If controlling to close charge switch for charging equipment charging, charge switch does not close, cannot ensure to treat Charger carries out quick charge, affects the experience of user.Therefore after the instruction that control disconnects charge switch sends, inspection Measuring charge switch place charge path still has electric current, or after the instruction of control closure charge switch sends, detects charging and open Close place charge path still no current when, it is believed that charge switch is out of control, now controls deenergization, stop to battery charge, keep away Exempt from can not to be controlled in time because charging chip temperature is too high to disconnect the danger that charge path is likely to result in, at the same avoid can not and When closure charge switch carry out quick charge to battery.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that further include:Control stops When charging to battery, alert.
In the technical scheme, exceed in the second preset temperature threshold value, charging circuit if as the temperature of charging chip It is short-circuited or charge switch is out of control, control deenergization, stop being charged to battery, then proves present in now charging circuit Problem can only avoid the danger being likely to result in than more serious by deenergization.Therefore, because these three situation controls are disconnected Switch power supply stop to battery charge when, now there is problem in charging circuit for reminding user in alert, stop to The battery of charging equipment is charged, to facilitate user further to be operated.
A kind of technical scheme according to a second aspect of the present invention, it is also proposed that multichannel quick charge control device, including:Inspection Unit is surveyed, when being charged for switching on power, arbitrary road in multiple charge paths of battery electric quantity and charging circuit is detected The temperature of charging chip;Control unit, for according to the temperature of the battery electric quantity and arbitrary road charging chip for detecting, control to be appointed The on off operating mode of the corresponding charge switch of charging chip all the way.
According to a second aspect of the present invention the multichannel quick charge control device of technical scheme, in charging equipment power supply is connected When starting to charge up, the electricity of the battery of detector unit detection charging equipment arranges multiple charge paths in charging circuit, can be with It is simultaneously battery charging, charging chip and corresponding charge switch is set in each charge path, it is every using detector unit detection The temperature of one charging chip, it is ensured that the safety of charging process, it is ensured that charging circuit will not be made overheated, or even burn charging Circuit.By control of the control unit to the break-make of charge switch, the battery that can be further controlled to charging equipment charges Mode.When charge switch is all closed, as fast charge mode, when wherein there is charge switch to disconnect, as safely Charge mode.According to the battery electric quantity for detecting and the temperature of the corresponding charging chip of charge switch of each closure, control Unit controls the on off operating mode of each charge switch.If controlling corresponding charge switch to disconnect, in the charge path of Ze Gai roads No current, can also be now charging equipment charging using other charge paths, if the charge switch that control disconnects is closed Close, Ze Gai roads charge path continues as the battery of charging equipment and is charged, and so, has both prevented the danger of the too high generation of temperature Danger, also can to the full extent ensure as charging equipment quick charge, further, protection charging equipment and charging circuit Service life, lifted user experience.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that control unit, specifically for:Such as Fruit battery electric quantity closes the corresponding charge switch of all charging chips less than the first default electricity, then control;If battery electric quantity More than or equal to the first default electricity, then control closes the corresponding charge switch of charging chip of predetermined number, wherein, if arbitrary The temperature of the corresponding charging chip of charge switch of closure exceeds the first preset temperature threshold value, then control disconnects the charging chip pair The charge switch answered.
In the technical scheme, if switch on power start to charge up when, detect battery electric quantity electricity default less than first Amount, then all of charge switch of control unit control closure, i.e., be simultaneously charging equipment charging using all of charging chip, So can start to charge up temperature it is relatively low when, fully using charging circuit be charging equipment charge, improve charge efficiency. If detecting electricity of the battery when starting to charge up more than or equal to the first default electricity, control unit control disconnects a part Charge switch, now the battery electric quantity of charging equipment is higher, though using a part charging circuit also can comparatively fast be full of, Therefore the charge switch of a part is disconnected, can avoids charging circuit all the time in oepration at full load state, improve charging circuit And the wherein service life of charging chip.If additionally, the temperature of the corresponding charging chip of the charge switch for detecting arbitrary closure Degree exceeds the first preset temperature threshold value, then control unit controls to disconnect the charge switch of the closure, prevents in time because filling Charging chip temperature is too high caused by heating in electric process, and protection charging chip is without prejudice, lifts the use of charging chip Life-span, meanwhile, prevent from because temperature is too high causing to burn charging circuit, cause danger.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that also include:Excess temperature power-off unit, For arbitrary closure the corresponding charging chip of charge switch temperature exceed the second preset temperature threshold value when, control stop to electricity Pond is charged, wherein, the second preset temperature threshold value is more than the first preset temperature threshold value.
In the technical scheme, if in charging process, fortuitous event occur can not in time control the temperature of charging chip Degree, then may charging chip temperature is too high causes to damage charging chip or burn charging circuit, therefore, when detecting charging chip When temperature is more than the second preset temperature threshold value, the control of excess temperature power-off unit stops being charged to battery, it is to avoid temperature is too high to be caused Loss.After stopping being charged to battery, without electric current in charging circuit, temperature will not continue to rise, therefore will not set to be charged It is standby to impact, while can guarantee that the safety of charging circuit.The setting of the second preset temperature threshold value, can be in the first preset temperature On the basis of threshold value, increase by one and protect again, by the control of excess temperature power-off unit, it is ensured that the temperature of charging chip too high will not be made Into loss.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that also include:Short-circuit protection unit, When being short-circuited for detecting charging circuit, control stops being charged to battery.
In the technical scheme, if charging circuit is short-circuited, the electric current of short-circuiting percentage is quite big, can not only be Accumulation amount of heat, burns circuit in short time, and can burn the charging chip and charging circuit of short-circuiting percentage.Therefore, Once detecting current spikes increase or system detectio being short-circuited to circuit, then short-circuit protection unit control disconnects charging and opens Close or disconnect the input voltage of charging inlet, it is also possible to by what is charged to battery in the circuit system for disconnecting charging equipment Path, makes charging circuit deenergization, prevents the short circuit phenomenon in charging circuit from causing danger.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that also include:Restore electricity unit, After being disconnected for charge switch, the temperature value for detecting the corresponding charging chip of charge switch is less than or equal to the first preset temperature Threshold value, and charging process is unfinished, then control closes charge switch.
In the technical scheme, the temperature of the corresponding charging chip of charge switch of closure is if greater than the first preset temperature Threshold value, then the charge switch will be disconnected, prevent because temperature is higher that charging chip and charging circuit are impacted.When filling After electric switch disconnects, charging chip stops charging, and the temperature of charging chip is gradually lowered, when temperature is dropped below equal to first During preset temperature threshold value, the temperature of charging chip will not cause damage to itself and charging circuit, and now restore electricity unit control System closes the charge switch of the disconnection, starts as charging equipment charging.So, just to the greatest extent can may be used under the premise that security is guaranteed Energy ground ensures to be charged to the battery of charging equipment with maximum output, it is ensured that quick charge.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that also include:3rd power-off unit, After the instruction for disconnecting charge switch for control sends, detecting charge switch place charge path has electric current, or control closure After the instruction of charge switch sends, when detecting charge switch place charge path no current, control stops being charged to battery.
In the technical scheme, if the control to charge switch can not timely and effectively be implemented, the temperature of charging chip Height is spent, charge switch can not disconnect in time again, the temperature of charging chip will continue to rise, it is more likely that burn charging chip And charging circuit;If controlling to close charge switch for charging equipment charging, charge switch does not close, cannot ensure to treat Charger carries out quick charge, affects the experience of user.Therefore after the instruction that control disconnects charge switch sends, inspection Measuring charge switch place charge path still has electric current, or after the instruction of control closure charge switch sends, detects charging and open Close place charge path still no current when, it is believed that charge switch is out of control, now the 3rd power-off unit control deenergization, stop to Battery charges, it is to avoid can not control in time to disconnect the danger that charge path is likely to result in because charging chip temperature is too high, together When avoid can not in time closing charge switch and carry out quick charge to battery.
A technical scheme of the invention, in above-mentioned technical proposal, it is preferable that also include:Alarm unit, is used for Control stop to battery charge when, alert.
In the technical scheme, exceed in the second preset temperature threshold value, charging circuit if as the temperature of charging chip It is short-circuited or charge switch is out of control, control deenergization, stop being charged to battery, then proves present in now charging circuit Problem can only avoid the danger being likely to result in than more serious by deenergization.Therefore, because these three situation controls are disconnected Switch power supply stop to battery charge when, by alarm unit alert, for reminding user now to send out in charging circuit Raw problem, stops being charged to the battery of charging equipment, to facilitate user further to be operated.
A kind of technical scheme according to a third aspect of the present invention, it is also proposed that mobile terminal, including second aspect technical side The multichannel quick charge control device of case.Mobile terminal in the technical program has many in above-mentioned second aspect technical scheme Whole beneficial effects of road quick charge control device, will not be described here.
A kind of technical scheme according to a fourth aspect of the present invention, it is also proposed that charger, including second aspect technical scheme Multichannel quick charge control device.Charger in the technical program has the multichannel in above-mentioned second aspect technical scheme fast Whole beneficial effects of fast battery charge controller, will not be described here.
Technical scheme proposed by the present invention, can be by the temperature and the electricity of battery to charging chip in multichannel charge path Amount, controls respectively the on off operating mode of the charge switch on arbitrary road, and then prevents the temperature of arbitrary charging chip too high, safety occurs Hidden danger, realizes on the premise of charging safety is ensured, charge efficiency is improve as much as possible, improves the experience of user.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become from the description with reference to accompanying drawings below to embodiment It is substantially and easy to understand, wherein:
Fig. 1 shows an exemplary flow of multichannel control method for quickly charging according to first embodiment of the invention Figure;
Fig. 2 shows that another of multichannel control method for quickly charging according to first embodiment of the invention illustrates stream Cheng Tu;
Fig. 3 shows the schematic block diagram of the multichannel quick charge control device of second embodiment of the invention;
Fig. 4 shows the schematic block diagram of the mobile terminal of the 3rd embodiment of the invention;
Fig. 5 shows that the multichannel quick charge control device of the 4th embodiment of the invention shows to battery powered It is intended to;
Fig. 6 shows showing for the control method of the multichannel quick charge control device of the 4th embodiment of the invention Meaning flow chart;
Fig. 7 shows the schematic block diagram of the charger of the 5th embodiment of the invention.
Specific embodiment
It is below in conjunction with the accompanying drawings and concrete real in order to be more clearly understood that the above objects, features and advantages of the present invention Apply mode to be further described in detail the present invention.It should be noted that in the case where not conflicting, the enforcement of the application Feature in example and embodiment can be mutually combined.
Many details are elaborated in the following description in order to fully understand the present invention, but, the present invention may be used also Implemented with being different from other modes described here using other, therefore, protection scope of the present invention is not by described below Specific embodiment restriction.
Embodiment one:
Fig. 1 shows an exemplary flow of multichannel control method for quickly charging according to first embodiment of the invention Figure.
As shown in figure 1, multichannel control method for quickly charging according to first embodiment of the invention, including:Step S102, switches on power when being charged, and detects arbitrary road charging core in multiple charge paths of battery electric quantity and charging circuit The temperature of piece;Step S104, according to the battery electric quantity for detecting and the temperature of arbitrary road charging chip, controls arbitrary road charging core The on off operating mode of the corresponding charge switch of piece.
In this embodiment, in step s 102, when charging equipment connection power supply is started to charge up, charging equipment is detected Battery electricity.Multiple charge paths are set in charging circuit, can be simultaneously battery charging, arrange in each charge path Charging chip and corresponding charge switch, detect the temperature of each charging chip, it is ensured that charged by step S102 The safety of journey, it is ensured that charging circuit will not be made overheated, or even burn charging circuit.
By the control of the break-make to charge switch, the mode of charging equipment charging is may be controlled to.Work as charge switch All during closure, as fast charge mode, when wherein there is charge switch to disconnect, as safe charging pattern.
In step S104, according to the battery electric quantity for detecting and the corresponding charging chip of charge switch of each closure Temperature is controlling the on off operating mode of each charge switch.If controlling corresponding charge switch to disconnect, Ze Gai roads charge path Middle no current, can also be now charging equipment charging using other charge paths, if the charge switch that control disconnects Closure, Ze Gai roads charge path continues as the battery of charging equipment and is charged, and so, has both prevented the too high generation of temperature Danger, also can ensure to the full extent as charging equipment quick charge, further, protection charging equipment and the electricity that charges The service life on road, lifts the experience of user.
Fig. 2 shows that another of multichannel control method for quickly charging according to first embodiment of the invention illustrates stream Cheng Tu.
As shown in Fig. 2 according to the control method for quickly charging of first embodiment of the invention, it is preferable that step S104 has Body includes:Step S106, if battery electric quantity is less than the first default electricity, the corresponding charging of all charging chips of control closure Switch;Step S108, if battery electric quantity is more than or equal to the first default electricity, the charging chip pair of control closure predetermined number The charge switch answered;Step S110, if the temperature of the corresponding charging chip of the charge switch of arbitrary closure is default beyond first Temperature threshold, then control disconnects the corresponding charge switch of the charging chip.
In this embodiment, if in step s 106, switch on power start to charge up when, detect battery electric quantity and be less than First default electricity, then all of charge switch of control closure, i.e., filled for charging equipment simultaneously using all of charging chip Electricity, so can start to charge up temperature it is relatively low when, fully using charging circuit be charging equipment charge, improve charge effect Rate.In step S108, if detecting electricity of the battery when starting to charge up more than or equal to the first default electricity, control disconnects The charge switch of a part, now the battery electric quantity of charging equipment is higher, even if also can be compared with using the charging circuit of a part It is full of soon, therefore opens the charge switch of a part, can avoid charging circuit all the time in oepration at full load state, raising is filled The service life of circuit and wherein charging chip.Additionally, in step s 110, if detecting the charge switch of arbitrary closure The temperature of corresponding charging chip exceeds the first preset temperature threshold value, then control to disconnect the charge switch of the closure, in time Prevent because charging chip temperature is too high caused by the heating in charging process, protection charging chip is without prejudice, lifted and charged The service life of chip, meanwhile, prevent from because temperature is too high causing to burn charging circuit, cause danger.
According to the control method for quickly charging of first embodiment of the invention, it is preferable that also include:If arbitrary closure The temperature of the corresponding charging chip of charge switch exceeds the second preset temperature threshold value, then control stops being charged to battery, wherein, the Two preset temperature threshold values are more than the first preset temperature threshold value.
In this embodiment, if in charging process, fortuitous event occur can not in time control the temperature of charging chip, Then may charging chip temperature is too high causes to damage charging chip or burn charging circuit, therefore, when detecting charging chip temperature When degree is more than the second preset temperature threshold value, stop being charged to battery by control, it is to avoid the too high loss for causing of temperature.Stop to After battery charges, without electric current in charging circuit, temperature will not continue to rise, therefore charging equipment will not be impacted, The safety of charging circuit is can guarantee that simultaneously.The setting of the second preset temperature threshold value, can be on the basis of the first preset temperature threshold value On, increase by one and protect again, it is ensured that the temperature of charging chip too high will not cause damage.
Preferably, also including step S114, if detect charging circuit be short-circuited, control stops being filled to battery Electricity.
In this embodiment, if charging circuit is short-circuited, the electric current of short-circuiting percentage is quite big, can not only be short Accumulation amount of heat, burns circuit in time, and can burn the charging chip and charging circuit of short-circuiting percentage.Therefore, one Denier detects current spikes increase or system detectio is short-circuited to circuit, then disconnect charge switch by the control of step S114 Or the input voltage of disconnection charging inlet, it is also possible to by the road charged to battery in the circuit system for disconnecting charging equipment Footpath, makes charging circuit deenergization, prevents the short circuit phenomenon in charging circuit from causing danger.
Preferably, also including step S116, after charge switch is disconnected, if detecting the corresponding charging core of charge switch The temperature of piece is less than or equal to the first preset temperature threshold value, then control closure charge switch.
In this embodiment, the temperature of the corresponding charging chip of the charge switch of closure is if greater than the first preset temperature threshold Value, then the charge switch will be disconnected, and prevent from because temperature is higher impacting charging chip and charging circuit.Work as charging After switching off, charging chip stops charging, and the temperature of charging chip is gradually lowered, when temperature drop below it is pre- equal to first If during temperature threshold, the temperature of charging chip will not cause damage to itself and charging circuit, now step S116 control closure The charge switch of the disconnection, starts as charging equipment charging.So, just can protect as much as possible under the premise that security is guaranteed Demonstrate,prove and charged to the battery of charging equipment with maximum output, it is ensured that quick charge.
According to the control method for quickly charging of first embodiment of the invention, it is preferable that also include:If control disconnection is filled After the instruction of electric switch sends, detecting charge switch place charge path has electric current, or the instruction of control closure charge switch After sending, charge switch place charge path no current is detected, then control stops being charged to battery.
In this embodiment, if the control to charge switch can not timely and effectively be implemented, the temperature of charging chip Too high, charge switch can not disconnect in time again, and the temperature of charging chip will continue to rise, it is more likely that burn charging chip and Charging circuit;If controlling to close charge switch for charging equipment charging, charge switch does not close, cannot ensure to treat to fill Electric equipment carries out quick charge, affects the experience of user.Therefore, after the instruction that control disconnects charge switch sends, inspection Measuring charge switch place charge path still has electric current, or after the instruction of control closure charge switch sends, detects charging and open Close place charge path still no current when, it is believed that charge switch is out of control, now controls deenergization, stop to battery charge, energy Enough avoid to control in time to disconnect the danger that charge path is likely to result in because charging chip temperature is too high, while avoiding not Charge switch can in time be closed carries out quick charge to battery.
According to the control method for quickly charging of first embodiment of the invention, it is preferable that also include:Control stops to battery During charging, alert.
In this embodiment, send out in the second preset temperature threshold value, charging circuit if as the temperature of charging chip Raw short circuit or charge switch are out of control, control deenergization, stop being charged to battery, then prove to be asked present in now charging circuit Topic can only avoid the danger being likely to result in than more serious by deenergization.Because these three situation control deenergizations stop When only charging to battery, now there is problem in charging circuit in alert, stop being set to be charged for reminding user Standby battery is charged, to facilitate user further to be operated.
Embodiment two:
Fig. 3 shows the schematic block diagram of the multichannel quick charge control device of second embodiment of the invention.
As shown in figure 3, the multichannel quick charge control device 300 of second embodiment of the present invention, including detector unit 302, when being charged for switching on power, detect that arbitrary road is charged in multiple charge paths of battery electric quantity and charging circuit The temperature of chip;Control unit 304, for according to the temperature of the battery electric quantity and arbitrary road charging chip for detecting, control to be appointed The on off operating mode of the corresponding charge switch of charging chip all the way.
In this embodiment, when charging equipment connection power supply is started to charge up, the detection charging equipment of detector unit 302 Battery electricity, multiple charge paths are set in charging circuit, can simultaneously be battery charge, in each charge path arrange Charging chip and corresponding charge switch, using detector unit 302 temperature of each charging chip is detected, it is ensured that charged The safety of process, it is ensured that charging circuit will not be made overheated, or even burn charging circuit.By control unit 304 to charge switch Break-make control, can by be further controlled to the battery of charging equipment charge in the way of.When charge switch is all closed, As fast charge mode, when wherein there is charge switch to disconnect, as safe charging pattern.According to the battery electric quantity for detecting With the temperature of the corresponding charging chip of charge switch that each is closed, control unit 304 controls the logical of each charge switch Disconnected state.If controlling corresponding charge switch to disconnect, no current in the charge path of Ze Gai roads, now can also be using others Charge path is charging equipment charging, if the charge switch closure that control disconnects, Ze Gai roads charge path continues as waiting to fill The battery of electric equipment is charged, and so, has both prevented the danger of the too high generation of temperature, also can ensure to the full extent to treat Charger quick charge, further, protects the service life of charging equipment and charging circuit, lifts the use body of user Test.
Preferably, wherein, control unit 304 specifically for:If battery electric quantity is closed less than the first default electricity, control Close the corresponding charge switch of all charging chips;If battery electric quantity is more than or equal to the first default electricity, control closure is default The corresponding charge switch of charging chip of quantity, wherein, if the temperature of the corresponding charging chip of the charge switch of arbitrary closure Beyond the first preset temperature threshold value, then control disconnects the corresponding charge switch of the charging chip.
In this embodiment, if switch on power start to charge up when, detector unit 302 detects battery electric quantity less than the One default electricity, then all of charge switch of the control of control unit 304 closure, i.e., be simultaneously to wait to fill using all of charging chip Electric equipment charge, so can start to charge up temperature it is relatively low when, fully using charging circuit be charging equipment charge, carry High recharge efficiency.If detecting electricity of the battery when starting to charge up more than or equal to the first default electricity, control unit 304 Control disconnects the charge switch of a part, and now the battery electric quantity of charging equipment is higher, even if using the charging electricity of a part Road also can comparatively fast be full of, therefore disconnect the charge switch of a part, and charging circuit can be avoided to be in oepration at full load shape all the time State, improves charging circuit and the wherein service life of charging chip.If additionally, detector unit 302 detects arbitrary closure The temperature of the corresponding charging chip of charge switch exceeds the first preset temperature threshold value, then control unit 304 is controlled the closure Charge switch disconnects, and prevents, because charging chip temperature is too high caused by the heating in charging process, to protect charging core in time Piece is without prejudice, lifts the service life of charging chip, meanwhile, prevent from because temperature is too high causing to burn charging circuit, occur It is dangerous.
Preferably, also including excess temperature power-off unit 306, for the temperature of the corresponding charging chip of charge switch of arbitrary closure When degree exceeds the second preset temperature threshold value, control stops being charged to battery, wherein, the second preset temperature threshold value is default more than first Temperature threshold.
In this embodiment, if in charging process, fortuitous event occur can not in time control the temperature of charging chip, Then possible charging chip temperature is too high causes to damage charging chip or burns charging circuit, therefore, when detector unit 302 is detected When charging chip temperature is more than the second preset temperature threshold value, the control of excess temperature power-off unit 306 stops being charged to battery, it is to avoid temperature The too high loss for causing.After stopping being charged to battery, without electric current in charging circuit, temperature will not continue to rise, therefore will not Charging equipment is impacted, while can guarantee that the safety of charging circuit.The setting of the second preset temperature threshold value, can be On the basis of one preset temperature threshold value, increase by one and protect again, by the control of excess temperature power-off unit, it is ensured that the temperature of charging chip Too high will not cause damage.
Preferably, also including short-circuit protection unit 308, when being short-circuited for detecting charging circuit, control stop to Battery charges.
In this embodiment, if charging circuit is short-circuited, the electric current of short-circuiting percentage is quite big, can not only be short Accumulation amount of heat, burns circuit in time, and can burn the charging chip and charging circuit of short-circuiting percentage.Therefore, one Denier detector unit 302 detects current spikes increase or system detectio is short-circuited to circuit, then short-circuit protection unit 308 is controlled System disconnects charge switch or disconnects the input voltage of charging inlet, it is also possible to by the circuit system for disconnecting charging equipment To the path that battery charges, charging circuit deenergization is made, prevent the short circuit phenomenon in charging circuit from causing danger.
Preferably, also including the unit 310 that restores electricity, after being disconnected for charge switch, charge switch correspondence is detected Charging chip temperature be less than or equal to the first preset temperature threshold value when, control closure charge switch.
In this embodiment, the temperature of the corresponding charging chip of the charge switch of closure is if greater than the first preset temperature threshold Value, then the charge switch will be disconnected, and prevent from because temperature is higher impacting charging chip and charging circuit.Work as charging After switching off, charging chip stops charging, and the temperature of charging chip is gradually lowered, when temperature drop below it is pre- equal to first If during temperature threshold, the temperature of charging chip will not cause damage to itself and charging circuit, and the unit 310 that now restores electricity is controlled System closes the charge switch of the disconnection, starts as charging equipment charging.So, just to the greatest extent can may be used under the premise that security is guaranteed Energy ground ensures to be charged to the battery of charging equipment with maximum output, it is ensured that quick charge.
Preferably, also after the instruction for disconnecting charge switch for control sends, detect including the 3rd power-off unit 312 Charge switch place charge path has electric current, or after the instruction of control closure charge switch sends, detects charge switch place During charge path no current, control stops being charged to battery.
In this embodiment, if the control to charge switch can not timely and effectively be implemented, the temperature of charging chip Too high, charge switch can not disconnect in time again, and the temperature of charging chip will continue to rise, it is more likely that burn charging chip and Charging circuit;If controlling to close charge switch for charging equipment charging, charge switch does not close, cannot ensure to treat to fill Electric equipment carries out quick charge, affects the experience of user.Therefore after the instruction that control disconnects charge switch sends, detection Unit 302 detects charge switch place charge path still electric current, or after the instruction of control closure charge switch sends, detection To charge switch place charge path still no current when, it is believed that charge switch is out of control, now the 3rd power-off unit 312 control disconnect Power supply, stops being charged to battery, it is to avoid disconnection charge path can not be in time controlled because charging chip temperature is too high may be made Into danger, while avoid can not in time closing charge switch carrying out quick charge to battery.
Preferably, also including alarm unit 314, for control stop to battery charge when, alert.
In this embodiment, send out in the second preset temperature threshold value, charging circuit if as the temperature of charging chip Raw short circuit or charge switch are out of control, are controlled by excess temperature power-off unit 306, short-circuit protection unit 308, the 3rd power-off unit 312 respectively Deenergization processed, stops being charged to battery, then prove that problem present in now charging circuit, than more serious, can only pass through to disconnect Power supply is avoiding the danger being likely to result in.Therefore, when because these three situation control deenergizations stop being charged to battery, lead to The alert of alarm unit 314 is crossed, now problem occurs in charging circuit for reminding user, stopped to charging equipment Battery be charged, to facilitate user further to be operated.
Embodiment three:
Fig. 4 shows the schematic block diagram of the mobile terminal of the 3rd embodiment of the invention.
As shown in figure 4, the mobile terminal 400 of the 3rd embodiment of the invention, including the multichannel in embodiment two Quick charge control device 300.Therefore, the mobile terminal 400 in the present embodiment has the multichannel quick charge in embodiment two Whole beneficial effects of control device 300, will not be described here.
Example IV:
Fig. 5 shows that the multichannel quick charge control device of the 4th embodiment of the invention shows to battery powered It is intended to.
As shown in figure 5, charging inlet 502 is used to switch on power, while powering to charging circuit.In the present embodiment, fill Circuit is divided into 3 paths, has 1 charging chip, respectively charging chip 1, charging chip 2, charging core per road charge path Piece 3, is provided with temperature-detecting device, respectively temperature detection 1, temperature detection 2, temperature detection 3, phase around each charging chip When the detector unit 302 in multichannel quick charge control device 300.Each charging chip one charge switch of correspondence, therefore It is divided into 3 tunnels in charge switch 504, charging chip 1, charging chip 2, charging chip 3 is controlled respectively.Charge switch 504 can be controlled The path that system charges, not only can 3 road standard-sized sheets (filling soon), it is also possible to select 1 tunnel therein or 2 tunnels (filling safely).3 tunnel charging cores Piece is all electrically connected with battery, can be charged for battery.Charging management chip 506 is controlled equivalent to multichannel quick charge Control unit 304 in device 300.Per the voltage and current in all the way in by detecting the charge switch 504 that obtains, and often Temperature in individual charging chip, per on off operating mode all the way in the control charge switch 504 of charging management chip 506.Once some Or the temperature of several charging chips is too high, the control charge switch 504 of charging management chip 506 disconnects the road, and other chargings are electric Road unaffected (filling safely).So quick charge can be realized in the case where safety is ensured, the effect that charges is increased as much as possible Rate.If the temperature of any one charging chip is short-circuited or charge switch in the second preset temperature threshold value, charging circuit 504 is out of control, then the control deenergization of charging management chip 506 or by the control system circuit 510 of system power switch 508 with Charging circuit is isolated, and stops being charged to battery 512, to ensure charging circuit in charging chip will not temperature be too high causes Burn, protection battery 512 is without prejudice, protection charging circuit will not burn.
Fig. 6 shows showing for the control method of the multichannel quick charge control device of the 3rd embodiment of the invention Meaning flow chart.
As shown in fig. 6, judging whether battery electric quantity is pre- beyond first in step S602 by detecting battery electric quantity first If electricity, if without departing from, in step S604, three road charge switch are closed, quick charge is carried out to battery 512, such as Fruit battery electric quantity then closes charge switch all the way beyond the first default electricity in step S606, carries out single channel to battery 512 and fills Electricity.The moment is detected to the temperature of three road charging chips in step S608, if judging that temperature is more than in step S610 First preset temperature threshold value, then in step S612, confirmation is that the temperature of which charging chip is too high, confirms high-temperature charging Chip, in step S614, the control charge switch 504 of charging management chip 506 disconnects the corresponding charging of high-temperature charging chip Switch.If detecting charging complete in step S616, complete charge, if charging unfinished, proceeds step S608 detection temperatures.
Embodiment five:
Fig. 7 shows the schematic block diagram of the charger of the 5th embodiment of the invention.
As shown in fig. 7, the charger 700 of the 5th embodiment of the invention, including the multichannel in embodiment two is fast Fast battery charge controller 300.Therefore, the charger 700 in the present embodiment has the multichannel quick charge control in embodiment two Whole beneficial effects of device 300, will not be described here.
Embodiments of the invention are described in detail above in association with accompanying drawing, technical scheme proposed by the present invention, it is right to pass through The electricity of the temperature of charging chip and battery in multichannel charge path, controls the on off operating mode of the charge switch on arbitrary road, and then Prevent the temperature of charging chip too high, on the premise of temperature safety is ensured, charge efficiency is improved as much as possible, improve user's Experience.
The preferred embodiments of the present invention are these are only, the present invention is not limited to, for those skilled in the art For member, the present invention can have various modifications and variations.All any modifications within the spirit and principles in the present invention, made, Equivalent, improvement etc., should be included within the scope of the present invention.

Claims (10)

1. a kind of multichannel control method for quickly charging, it is characterised in that include:
Switch on power when being charged, detect arbitrary road charging chip in multiple charge paths of battery electric quantity and charging circuit Temperature;
According to the battery electric quantity for detecting and the temperature of arbitrary road charging chip, arbitrary road charging chip is controlled The on off operating mode of corresponding charge switch.
2. multichannel control method for quickly charging according to claim 1, it is characterised in that it is described that the basis is detected The temperature of battery electric quantity and arbitrary road charging chip, controls the break-make of the corresponding charge switch of arbitrary road charging chip State, specifically includes:
If the battery electric quantity is less than the first default electricity, the corresponding charge switch of all charging chips of control closure;
If the battery electric quantity is more than or equal to the described first default electricity, the charging chip correspondence of control closure predetermined number Charge switch, wherein,
If the temperature of the corresponding charging chip of the charge switch of arbitrary closure exceeds the first preset temperature threshold value, control disconnects The corresponding charge switch of the charging chip.
3. multichannel control method for quickly charging according to claim 2, it is characterised in that further include:
If detecting the charging circuit to be short-circuited, control stops being charged to the battery.
4. multichannel control method for quickly charging according to claim 1 and 2, it is characterised in that further include:
After the charge switch is disconnected, if the temperature value for detecting the corresponding charging chip of the charge switch is less than or equal to The first preset temperature threshold value, and charging process is unfinished, then control closes the charge switch.
5. a kind of multichannel quick charge control device, it is characterised in that include:
Detector unit, when being charged for switching on power, in detecting multiple charge paths of battery electric quantity and charging circuit The temperature of arbitrary road charging chip;
Control unit, for according to the temperature of the battery electric quantity and arbitrary road charging chip for detecting, control to be described The on off operating mode of the corresponding charge switch of arbitrary road charging chip.
6. multichannel quick charge control device according to claim 5, it is characterised in that described control unit, it is concrete to use In:
If the battery electric quantity is less than the first default electricity, the corresponding charge switch of all charging chips of control closure;
If the battery electric quantity is more than or equal to the described first default electricity, the charging chip correspondence of control closure predetermined number Charge switch, wherein,
If the temperature of the corresponding charging chip of the charge switch of arbitrary closure exceeds the first preset temperature threshold value, control disconnects The corresponding charge switch of the charging chip.
7. multichannel quick charge control device according to claim 6, it is characterised in that also include:
Short-circuit protection unit, when being short-circuited for detecting the charging circuit, control stops being charged to the battery.
8. the multichannel quick charge control device according to claim 5 or 6, it is characterised in that also include:
Restore electricity unit, after being disconnected for the charge switch, detects the corresponding charging chip of the charge switch Temperature value is less than or equal to the first preset temperature threshold value, and charging process is not completed, then the control closure charge switch.
9. a kind of mobile terminal, it is characterised in that include the multichannel quick charge control as any one of claim 5 to 8 Device processed.
10. a kind of charger, it is characterised in that include the multichannel quick charge control as any one of claim 5 to 8 Device.
CN201710012496.8A 2017-01-09 2017-01-09 Multiplexer and fast charging control method, control device, mobile terminal and charger CN106684996A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107706993A (en) * 2017-11-07 2018-02-16 歌尔科技有限公司 Charge control method, device and electronic equipment
WO2019071439A1 (en) * 2017-10-10 2019-04-18 深圳传音通讯有限公司 Multi-chip charging device and method
WO2021035624A1 (en) * 2019-08-29 2021-03-04 Oppo广东移动通信有限公司 Device to be charged and charging method

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019071439A1 (en) * 2017-10-10 2019-04-18 深圳传音通讯有限公司 Multi-chip charging device and method
CN107706993A (en) * 2017-11-07 2018-02-16 歌尔科技有限公司 Charge control method, device and electronic equipment
WO2021035624A1 (en) * 2019-08-29 2021-03-04 Oppo广东移动通信有限公司 Device to be charged and charging method

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