CN107359379A - Fast charge method and device - Google Patents
Fast charge method and device Download PDFInfo
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- CN107359379A CN107359379A CN201710592406.7A CN201710592406A CN107359379A CN 107359379 A CN107359379 A CN 107359379A CN 201710592406 A CN201710592406 A CN 201710592406A CN 107359379 A CN107359379 A CN 107359379A
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- 238000000034 method Methods 0.000 title claims abstract description 46
- 238000007600 charging Methods 0.000 claims abstract description 178
- 238000001514 detection method Methods 0.000 claims description 14
- 230000005611 electricity Effects 0.000 claims description 7
- 238000004364 calculation method Methods 0.000 claims description 4
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000000518 rheometry Methods 0.000 claims 1
- 230000006870 function Effects 0.000 description 10
- 230000015654 memory Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000008569 process Effects 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000013461 design Methods 0.000 description 3
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- 230000009471 action Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000004590 computer program Methods 0.000 description 1
- 238000010281 constant-current constant-voltage charging Methods 0.000 description 1
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- 238000003487 electrochemical reaction Methods 0.000 description 1
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Classifications
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- 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—
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The embodiment of the present invention provides a kind of fast charge method and device, is related to charging technique field.This method includes：The build-in attribute parameter and the first charging current value of battery in current charging interval step-length are obtained, wherein, the build-in attribute parameter includes the SOC_OCV second dervatives and battery capacity of battery；The second charging current value for being used to charge to battery in next charging interval step-length is calculated according to the build-in attribute parameter of current charging interval step-length and the first charging current value；The battery is charged in next charging interval step-length based on second charging current value.The present invention can keep preferable battery cycle life while quick charge is realized.
Description
Technical field
The present invention relates to charging technique field, in particular to a kind of fast charge method and device.
Background technology
The constant current constant voltage quick charge mode that traditional quick charge mode typically uses, its shortcoming is battery cycle life
It is relatively poor, how a kind of charging scheme for remaining to show preferable cycle life while quick charge is provided, is ability
The a great problem of field technique personnel.
The content of the invention
In order to overcome above-mentioned deficiency of the prior art, it is an object of the invention to provide a kind of fast charge method and dress
Put, preferable battery cycle life can be kept while quick charge is realized.
To achieve these goals, the technical scheme that present pre-ferred embodiments use is as follows：
Present pre-ferred embodiments provide a kind of fast charge method, and applied to electrical equipment, methods described includes：
The build-in attribute parameter and the first charging current value of battery in current charging interval step-length are obtained, wherein, it is described solid
There are the SOC_OCV second dervatives and battery capacity that property parameters include battery；
Next charging interval step is calculated according to the build-in attribute parameter of current charging interval step-length and the first charging current value
It is used for the second charging current value to be charged to battery in length；
The battery is charged in next charging interval step-length based on second charging current value.
In present pre-ferred embodiments, the electrical equipment is previously stored with battery corresponding to different charging interval step-lengths
SOC_OCV curves, described the step of obtaining the build-in attribute parameter of battery in current charging interval step-length, including：
Obtain the SOC_OCV curves of battery corresponding to current charging interval step-length；
The SOC_OCV second dervatives according to corresponding to calculating the SOC_OCV curves.
In present pre-ferred embodiments, described calculated according to the build-in attribute parameter in next charging interval step-length is used
In the second charging current value to be charged to battery the step of, including：
Calculated according to the SOC_OCV second dervatives, battery capacity and default adjusting parameter in current charging interval step-length
Current changing rate；
Calculated in next charging interval step-length and be used for electricity according to the current changing rate and first charging current value
The second charging current value that pond is charged.
It is described according to the SOC_OCV second dervatives and battery capacity and default in present pre-ferred embodiments
The calculation formula that adjusting parameter calculates the current changing rate in current charging interval step-length is:
Wherein, i ' is current changing rate, and Capacity is battery capacity,For SOC_OCV second dervatives, i is
Initial current.
It is described according under the current changing rate and first charging current value calculating in present pre-ferred embodiments
The calculation formula of the second charging current value for being used to charge to battery in one charging interval step-length is：
ik+1=(1+ α * Δ t) * ik
Wherein, ik+1For the second charging current value, ikFor the first charging current value, Δ t is charging interval step-length.
In present pre-ferred embodiments, methods described also includes：
The charging voltage value of battery is detected；
The charging voltage value of detection is contrasted with preset voltage value；
When the charging voltage value of detection reaches preset voltage value, judge that the battery reaches charge cutoff condition, and tie
Charging of the beam to battery.
Present pre-ferred embodiments also provide a kind of quick charge device, and applied to electrical equipment, described device includes：
Module is obtained, for obtaining the build-in attribute parameter and the first charging current of battery in current charging interval step-length
Value, wherein, the build-in attribute parameter includes the SOC_OCV second dervatives and battery capacity of battery；
Computing module, under being calculated for the build-in attribute parameter according to current charging interval step-length and the first charging current value
It is used for the second charging current value to be charged to battery in one charging interval step-length；
Charging module, for being carried out based on second charging current value in next charging interval step-length to the battery
Charging.
In terms of existing technologies, the invention has the advantages that：
Fast charge method and device provided in an embodiment of the present invention, this method include：Obtain current charging interval step-length
The build-in attribute parameter and the first charging current value of middle battery, wherein, the build-in attribute parameter includes the SOC_OCV bis- of battery
Order derivative and battery capacity；Next fill is calculated according to the build-in attribute parameter of current charging interval step-length and the first charging current value
It is used for the second charging current value to be charged to battery in electric time step；Filled based on second charging current value next
The battery is charged in electric time step.Based on above-mentioned design, technical scheme provided by the invention can realized soon
Preferable battery cycle life is kept while speed charging.
Brief description of the drawings
In order to illustrate the technical solution of the embodiments of the present invention more clearly, below by embodiment it is required use it is attached
Figure is briefly described, it will be appreciated that the following drawings illustrate only certain embodiments of the present invention, therefore be not construed as pair
The restriction of scope, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to this
A little accompanying drawings obtain other related accompanying drawings.
Fig. 1 is a kind of application scenarios schematic diagram for quick charge device that present pre-ferred embodiments provide；
Fig. 2 is a kind of schematic flow sheet for the fast charge method that present pre-ferred embodiments provide；
Fig. 3 is a kind of schematic flow sheet for each sub-steps that the step S210 shown in Fig. 2 includes；
Fig. 4 is a kind of schematic flow sheet for each sub-steps that the step S220 shown in Fig. 2 includes；
Fig. 5 is another schematic flow sheet for the fast charge method that present pre-ferred embodiments provide；
Fig. 6 is a kind of functional block diagram for the quick charge device that present pre-ferred embodiments provide；
Fig. 7 is a kind of functional block diagram of the acquisition module shown in Fig. 6；
Fig. 8 is a kind of functional block diagram of the computing module shown in Fig. 6；
Fig. 9 is another functional block diagram for the quick charge device that present pre-ferred embodiments provide.
Icon：100- electrical equipments；110- memories；120- processors；130- storage controls；200- quick charges fill
Put；210- obtains module；211- acquisition submodules；212- calculating sub modules；220- computing modules；221- current changing rates calculate
Submodule；222- the second charging current value calculating sub modules；230- charging modules；240- detection modules；250- contrast modules；
260- complete charge modules.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation describes, it is clear that described embodiment is part of the embodiment of the present invention, rather than whole embodiments.Generally herein
The component of the embodiment of the present invention described and illustrated in place's accompanying drawing can be configured to arrange and design with a variety of.
Therefore, below the detailed description of the embodiments of the invention to providing in the accompanying drawings be not intended to limit it is claimed
The scope of the present invention, but be merely representative of the present invention selected embodiment.It is common based on the embodiment in the present invention, this area
All other embodiment that technical staff is obtained under the premise of creative work is not made, belong to the model that the present invention protects
Enclose.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it further need not be defined and explained in subsequent accompanying drawing in individual accompanying drawing.Meanwhile the present invention's
In description, term " first ", " second " etc. are only used for distinguishing description, and it is not intended that instruction or hint relative importance.
Below in conjunction with the accompanying drawings, some embodiments of the present invention are elaborated.It is following in the case where not conflicting
Feature in embodiment and embodiment can be mutually combined.
A kind of referring to Fig. 1, application scenarios signal of the quick charge device 200 provided for present pre-ferred embodiments
Figure.In the embodiment of the present invention, the electrical equipment 100 can be charged by the quick charge device 200.Alternatively, institute
Stating electrical equipment 100 can be, but be not limited to smart mobile phone, electric car, intelligent appliance, charging pile etc..
As shown in figure 1, the electrical equipment 100 can include memory 110, processor 120, storage control 130 with
And quick charge device 200.The memory 110, processor 120, storage control 130 are directly or indirectly electric between each other
Property connection, to realize the transmission of data or interaction.For example, these elements between each other can by one or more communication bus or
Signal wire, which is realized, to be electrically connected with.Quick charge device 200 is stored with memory 110, the quick charge device 200 is included extremely
A few software function module that can be stored in the form of software or firmware (Firmware) in the memory 110, it is described
Processor 120 is stored in software program and module in memory 110 by operation, such as quickly filling in the embodiment of the present invention
Electric installation 200, so as to perform various function application and data processing, that is, realize the quick charge side in the embodiment of the present invention
Method.
It is appreciated that structure shown in Fig. 1 is only to illustrate, the electrical equipment 100 can also include than shown in Fig. 1 more
More either less components have the configuration different from shown in Fig. 1.Each component shown in Fig. 1 can use hardware, soft
Part or its combination are realized.
Referring to Fig. 2, a kind of schematic flow sheet of the fast charge method provided for present pre-ferred embodiments, the side
Method is performed by the electrical equipment 100 shown in Fig. 1.It should be noted that method provided in an embodiment of the present invention not with Fig. 2 and with
Lower described particular order is limitation, it will be appreciated that the order of fast charge method which part step of the present invention can
It is actually needed and is exchanged with each other with basis, or part steps therein can also be omitted or deleted.The idiographic flow of methods described
It is as follows：
Step S210, obtain the build-in attribute parameter and the first charging current value of battery in current charging interval step-length.
In detail, in the present embodiment, during being charged to battery, according to the difference of charging capacity, whole charging
Process can be divided into multiple charging interval step-lengths, and in each charging interval step-length, the fixed attribute parameter of the battery is general
It is changeless, studies and find through inventor, current battery quick charge mode mainly uses constant-current constant-voltage charging, but this
Kind charging modes are likely to greatly shorten the service life of battery when improving charge efficiency.
Found by the long term test of inventor, the dSOC/dOCV and SOC of battery change can reflect that inside battery is anti-
Mechanism is answered, also reflects the speed of the electrochemical reaction of battery indirectly.In consideration of it, the build-in attribute parameter may include battery
SOC_OCV second dervatives and battery capacity.
Specifically, referring to Fig. 3, the step S210 can include following sub-step：
Sub-step S211, obtain the SOC_OCV curves of battery corresponding to current charging interval step-length.
Sub-step S212, the SOC_OCV second dervatives according to corresponding to calculating the SOC_OCV curves.
In the present embodiment, it is corresponding that different charging interval step-lengths are previously stored with the memory 110 of the electrical equipment 100
Battery SOC_OCV curves, wherein, the SOC_OCV curves be battery fixed curve, the curve can be according to battery
Inherent characteristic is obtained and stored in the memory 110.
After SOC_OCV curve of the battery in current charging interval step-length is got, second order is carried out to the curve
Derivation, SOC_OCV second dervatives corresponding to the SOC_OCV curves in current charging interval step-length can be obtained.
Referring to Fig. 2, step S220, according to the build-in attribute parameter of current charging interval step-length and the first charging electricity
Flow valuve calculates the second charging current value for being used to charge to battery in next charging interval step-length.
Specifically, referring to Fig. 4, the step S220 can include following sub-step：
Sub-step S221, current charging is calculated according to the SOC_OCV second dervatives, battery capacity and default adjusting parameter
Current changing rate in time step.
Specifically, in the present embodiment, when obtaining current changing rate i ', can be obtained according to the characteristic of battery：
Because：
So：
Arrived according to what above-mentioned two formula can convert：
Due toWith SOC relation known quantity, i is initial current, and Capacity is initial capacity, and k is default
Adjusting parameter, for being adjusted to the charging rate of battery, in the present embodiment, k=1, so can be calculated according to above formula
Obtain the current changing rate in current charging interval step-length.
Sub-step S221, next charging interval step-length is calculated according to the current changing rate and first charging current value
In be used for the second charging current value for being charged to battery.
After the current changing rate i ' is calculated, due to i'=α * i, therefore it can obtain：
Further, the current changing rate can be expressed as by the form of difference formula：
In conjunction with above-mentioned formula can obtain next capacity step-length corresponding to the second charging current value be：
ik+1=(1+ α * Δ t) * ik
Wherein, ik+1For the second charging current value, ikFor the first charging current value, Δ t is charging interval step-length.
Referring to Fig. 2, step S230, based on second charging current value in next charging interval step-length to institute
Battery is stated to be charged.
Specifically, in the present embodiment, after second charging current value is obtained, by institute in next charging interval step-length
State the first charging current value and adjust to the second charging current value and charged.It should be noted that during adjustment, can be according to reality
Situation so that charging current value slowly transits to second charging current value, to avoid the moment of electric current or voltage from becoming
Change and cause the situation of battery damage to occur.
Further, referring to Fig. 5, methods described can also include：
Step S240, the charging voltage value of battery is detected.
Step S250, the charging voltage value of detection is contrasted with preset voltage value.
Step S260, when the charging voltage value of detection reaches preset voltage value, judge that the battery reaches charge cutoff
Condition, and terminate the charging to battery.
In detail, during the battery charges, the charging voltage value of the battery can be detected in real time, and will
Charging voltage value is compared with preset voltage value, if reaching the preset voltage value, shows that battery has charged and terminates, now may be used
To terminate the charging to battery.
Being worth noting all is, the preset voltage value is not specifically limited, and can be carried out according to the actual conditions of battery pre-
It is fixed, in addition, the charge cutoff condition can also be not limited only to detect the charging voltage value of battery, such as it can also be detection electricity
The charging current value in pond, terminate battery charging when the charging current value is less than a predetermined current value.
Further, referring to Fig. 6, present pre-ferred embodiments also provide a kind of quick charge device 200, described device
The software function module that is installed in the memory 110 and can be performed including one or more by the processor 120, it is described
Device can include：
Module 210 is obtained, for obtaining the build-in attribute parameter of battery and the first charging electricity in current charging interval step-length
Flow valuve, wherein, the build-in attribute parameter includes the SOC_OCV second dervatives and battery capacity of battery.
Computing module 220, based on the build-in attribute parameter according to current charging interval step-length and the first charging current value
Calculate the second charging current value for being used to charge to battery in next charging interval step-length.
Charging module 230, for based on second charging current value in next charging interval step-length to the battery
Charged.
Further, referring to Fig. 7, the electrical equipment 100 is previously stored with electricity corresponding to different charging interval step-lengths
The SOC_OCV curves in pond, the acquisition module 210 include：
Acquisition submodule 211, for obtaining the SOC_OCV curves of battery corresponding to current charging interval step-length.
Calculating sub module 212, for the SOC_OCV second dervatives according to corresponding to SOC_OCV curves calculating.
Further, referring to Fig. 8, the computing module 220 includes：
Current changing rate calculating sub module 221, for according to the SOC_OCV second dervatives, battery capacity and default tune
Whole parameter calculates the current changing rate in current charging interval step-length.
Second charging current value calculating sub module 222, for according to the current changing rate and first charging current
Value calculates the second charging current value for being used to charge to battery in next charging interval step-length.
Further, referring to Fig. 9, described device can also include：
Detection module 240, for being detected to the charging voltage value of battery.
Contrast module 250, for the charging voltage value of detection to be contrasted with preset voltage value.
Complete charge module 260, for when the charging voltage value of detection reaches preset voltage value, judging that the battery reaches
To charge cutoff condition, and terminate the charging to battery.
The concrete operation method of each functional module in the present embodiment can refer to corresponding steps in above method embodiment
It is described in detail, it is no longer repeated herein.
In summary, fast charge method and device provided in an embodiment of the present invention, this method include：Obtain current charging
The build-in attribute parameter and the first charging current value of battery in time step, wherein, the build-in attribute parameter includes battery
SOC_OCV second dervatives and battery capacity；According to the build-in attribute parameter and the first charging current value of current charging interval step-length
Calculate the second charging current value for being used to charge to battery in next charging interval step-length；Based on second charging current
Value charges in next charging interval step-length to the battery.Based on above-mentioned design, technical scheme energy provided by the invention
It is enough that preferable battery cycle life is kept while quick charge is realized.
In embodiment provided by the present invention, it should be understood that disclosed apparatus and method, can also be by other
Mode realize.Apparatus and method embodiment described above is only schematical, for example, flow chart and frame in accompanying drawing
Figure shows the system of multiple embodiments according to the present invention, the system frame in the cards of method and computer program product
Structure, function and operation.At this point, each square frame in flow chart or block diagram can represent a module, program segment or code
A part, the part of the module, program segment or code include it is one or more be used to realizing as defined in logic function
Executable instruction.It should also be noted that at some as in the implementation replaced, the function of being marked in square frame can also be with not
The order for being same as being marked in accompanying drawing occurs.For example, two continuous square frames can essentially perform substantially in parallel, they have
When can also perform in the opposite order, this is depending on involved function.It is also noted that in block diagram and/or flow chart
Each square frame and block diagram and/or the square frame in flow chart combination, the special of function or action as defined in performing can be used
Hardware based system realize, or can be realized with the combination of specialized hardware and computer instruction.
In addition, each functional module in each embodiment of the present invention can integrate to form an independent portion
Point or modules individualism, can also two or more modules be integrated to form an independent part.
If the function is realized in the form of software function module and is used as independent production marketing or in use, can be with
It is stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially in other words
The part to be contributed to prior art or the part of the technical scheme can be embodied in the form of software product, the meter
Calculation machine software product is stored in a storage medium, including some instructions are make it that a computing device (can be personal
Computer, electronic equipment, or network equipment etc.) perform all or part of step of each embodiment methods described of the present invention.
It should be noted that herein, term " including ", " including " or its any other variant are intended to non-row
His property includes, so that process, method, article or equipment including a series of elements not only include those key elements, and
And also include the other key elements being not expressly set out, or also include for this process, method, article or equipment institute inherently
Key element.In the absence of more restrictions, the key element limited by sentence " including one ... ", it is not excluded that including institute
State in process, method, article or the equipment of key element and other identical element also be present.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the involved claim of limitation.
Claims (10)
1. a kind of fast charge method, applied to electrical equipment, it is characterised in that methods described includes：
The build-in attribute parameter and the first charging current value of battery in current charging interval step-length are obtained, wherein, the intrinsic category
Property parameter includes the SOC_OCV second dervatives and battery capacity of battery；
Calculated according to the build-in attribute parameter of current charging interval step-length and the first charging current value in next charging interval step-length
For the second charging current value to be charged to battery；
The battery is charged in next charging interval step-length based on second charging current value.
2. fast charge method according to claim 1, it is characterised in that the electrical equipment is previously stored with difference and filled
The SOC_OCV curves of battery corresponding to electric time step, the build-in attribute ginseng for obtaining battery in current charging interval step-length
Several steps, including：
Obtain the SOC_OCV curves of battery corresponding to current charging interval step-length；
The SOC_OCV second dervatives according to corresponding to calculating the SOC_OCV curves.
3. fast charge method according to claim 1, it is characterised in that described to be calculated according to the build-in attribute parameter
The step of being used for the second charging current value to be charged to battery in next charging interval step-length, including：
Electricity in current charging interval step-length is calculated according to the SOC_OCV second dervatives, battery capacity and default adjusting parameter
Rheology rate；
Calculated according to the current changing rate and first charging current value in next charging interval step-length and be used to enter battery
Second charging current value of row charging.
4. fast charge method according to claim 3, it is characterised in that described according to the SOC_OCV second dervatives
And battery capacity and the calculation formula of the current changing rate in the current charging interval step-length of default adjusting parameter calculating are:
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Wherein, i ' is current changing rate, and Capacity is battery capacity,For SOC_OCV second dervatives, i is initial
Electric current.
5. fast charge method according to claim 3, it is characterised in that described according to the current changing rate and described
First charging current value calculates the calculating for the second charging current value for being used for being charged in next charging interval step-length to battery
Formula is：
ik+1=(1+ α * Δ t) * ik
Wherein, ik+1For the second charging current value, ikFor the first charging current value, Δ t is charging interval step-length.
6. fast charge method according to claim 1, it is characterised in that methods described also includes：
The charging voltage value of battery is detected；
The charging voltage value of detection is contrasted with preset voltage value；
When the charging voltage value of detection reaches preset voltage value, judge that the battery reaches charge cutoff condition, and end pair
The charging of battery.
7. a kind of quick charge device, applied to electrical equipment, it is characterised in that described device includes：
Module is obtained, for obtaining the build-in attribute parameter and the first charging current value of battery in current charging interval step-length, its
In, the build-in attribute parameter includes the SOC_OCV second dervatives and battery capacity of battery；
Computing module, next fill is calculated for the build-in attribute parameter according to current charging interval step-length and the first charging current value
It is used for the second charging current value to be charged to battery in electric time step；
Charging module, for being filled based on second charging current value in next charging interval step-length to the battery
Electricity.
8. quick charge device according to claim 7, it is characterised in that the electrical equipment is previously stored with difference and filled
The SOC_OCV curves of battery corresponding to electric time step, the acquisition module, including：
Acquisition submodule, for obtaining the SOC_OCV curves of battery corresponding to current charging interval step-length；
Calculating sub module, for the SOC_OCV second dervatives according to corresponding to SOC_OCV curves calculating.
9. quick charge device according to claim 7, it is characterised in that the computing module includes：
Current changing rate calculating sub module, based on according to the SOC_OCV second dervatives, battery capacity and default adjusting parameter
Calculate the current changing rate in current charging interval step-length；
Second charging current value calculating sub module, under being calculated according to the current changing rate and first charging current value
It is used for the second charging current value to be charged to battery in one charging interval step-length.
10. quick charge device according to claim 7, it is characterised in that described device also includes：
Detection module, for being detected to the charging voltage value of battery；
Contrast module, for the charging voltage value of detection to be contrasted with preset voltage value；
Complete charge module, for when the charging voltage value of detection reaches preset voltage value, judging that the battery reaches charging
Cut-off condition, and terminate the charging to battery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710592406.7A CN107359379B (en) | 2017-07-19 | 2017-07-19 | Fast charge method and device |
Applications Claiming Priority (1)
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437031A (en) * | 2002-02-08 | 2003-08-20 | 上海华谊（集团）公司 | Battery capacity measuring method |
| JP2004031254A (en) * | 2002-06-28 | 2004-01-29 | Nissan Motor Co Ltd | Capacity control device and method for battery pack |
| CN101627517A (en) * | 2007-03-06 | 2010-01-13 | 丰田自动车株式会社 | Electric vehicle, method for estimating state of charge, and computer readable recording medium recording program for executing state of charge estimation method on computer |
| CN106160089A (en) * | 2016-07-22 | 2016-11-23 | 深圳天珑无线科技有限公司 | Method for charging batteries and battery charging control device |
| CN106505695A (en) * | 2016-12-30 | 2017-03-15 | 广东欧珀移动通信有限公司 | A charging control method, device and terminal |
-
2017
- 2017-07-19 CN CN201710592406.7A patent/CN107359379B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1437031A (en) * | 2002-02-08 | 2003-08-20 | 上海华谊（集团）公司 | Battery capacity measuring method |
| JP2004031254A (en) * | 2002-06-28 | 2004-01-29 | Nissan Motor Co Ltd | Capacity control device and method for battery pack |
| CN101627517A (en) * | 2007-03-06 | 2010-01-13 | 丰田自动车株式会社 | Electric vehicle, method for estimating state of charge, and computer readable recording medium recording program for executing state of charge estimation method on computer |
| CN106160089A (en) * | 2016-07-22 | 2016-11-23 | 深圳天珑无线科技有限公司 | Method for charging batteries and battery charging control device |
| CN106505695A (en) * | 2016-12-30 | 2017-03-15 | 广东欧珀移动通信有限公司 | A charging control method, device and terminal |
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