CN107681746A - Charge protection method, device and electronic cigarette - Google Patents
Charge protection method, device and electronic cigarette Download PDFInfo
- Publication number
- CN107681746A CN107681746A CN201711121102.9A CN201711121102A CN107681746A CN 107681746 A CN107681746 A CN 107681746A CN 201711121102 A CN201711121102 A CN 201711121102A CN 107681746 A CN107681746 A CN 107681746A
- Authority
- CN
- China
- Prior art keywords
- charging current
- charging
- current value
- charge protection
- value
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
- H02J7/0049—Detection of fully charged condition
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The present invention provides a kind of charge protection method, including:Obtain at least two charging current values;Charging current changing ratio is calculated according at least two charging current values of acquisition;When the charging current changing ratio is less than or equal to predetermined threshold value, default charge protection operation is performed.The present invention also provides a kind of charge protection device and electronic cigarette; charge protection method, device and the electronic cigarette of the present invention can protect charging equipment according to charging current changing ratio; the security and reliability of charging equipment charging are improved, and the service life of battery can be extended.
Description
Technical field
The present invention relates to charging technique field, more particularly to charge protection method, device and electronic cigarette.
Background technology
With science and technology continuous development, nowadays electronic equipment have become people life in an indispensable part, and
And most equipment all carries rechargeable battery, such as smart mobile phone, mobile charging treasured, digital camera, tablet personal computer intelligent terminal
Popularization, make people life become it is rich and varied.Its species of these products is various and different product quality is all different, its
Maximum general character is exactly the battery charging to its inside, and most producers consider compatibility, are all to use USB (Universal
Serial Bus, USB) interface.This this may result in user when using different product, and each charger is mutual
With or misuse.
And its electric current for charging output is different for different product.If occur overcharging in charging process etc. existing
As will influence battery life and even bring potential safety hazard.Such as current portable power source this kind of product is pacified without state compulsion or naturally
Full standard, the portable power source product that each manufacturer releases does not have unified normal constraint, so security can not clearly be ensured.
And for example, the mobile phone quality of some brands is unqualified, if over-charging of battery can cause cell expansion or even explode.
The content of the invention
In view of this, present invention solves the technical problem that charging equipment can be protected by being to provide, charging equipment charging is improved
Security and reliability, and the charge protection method, device and electronic cigarette of the service life of battery can be extended.
It is provided by the invention
A kind of charge protection method, it is characterised in that including:
Obtain at least two charging current values;
Charging current changing ratio is calculated according at least two charging current values of acquisition;
When the charging current changing ratio is less than or equal to predetermined threshold value, default charge protection operation is performed.
In one embodiment, before at least two charging current values are obtained, methods described also includes:
Before charging starts, obtain the information about power of battery, the information about power include the current electric quantity of the battery with
The capacity of the battery;
First duration is calculated according to the information about power, since first duration be used to indicate to obtain to start to charge up
The duration of at least two charging current values;
After charging starts, add up charging duration;
When the charging duration reaches first duration, into the step of obtaining at least two charging current values.
In one embodiment, the step of obtaining at least two charging current values, including:
A charging current value is obtained every preset duration;
Whether the charging current value for judging currently to obtain is less than pre-set current value;
If the charging current value currently obtained is less than pre-set current value, the charging current value currently obtained is stored in predetermined
The queue of length;
If the charging current value currently obtained is more than or equal to pre-set current value, returns and obtain one every preset duration
The step of charging current value.
In one embodiment, after the charging current value currently obtained is stored in into the queue of predetermined length, the side
Method also includes:
Whether the time duration for judging to store charging current value in the queue to the predetermined length reaches setting value;
If the time duration is not up to setting value, the step that a charging current value is obtained every preset duration is returned
Suddenly;
If the time duration reaches setting value, enter and calculate charging electricity according at least two charging current values of acquisition
The step of flowing changing ratio.
In one embodiment, methods described also includes:
When the charging current changing ratio is more than predetermined threshold value, returns and obtain a charging current every preset duration
The step of value.
In one embodiment, the step of calculating charging current changing ratio according at least two charging current values of acquisition
Including:
Obtain pairs of maximum charging current values current at least two charging current value and minimum charge current value;
Charging current changing ratio is calculated, the calculation formula of the charging current changing ratio is
In formula, Δ I:Represent charging current changing ratio;IMAX:Represent at least two charging current value current
Pairs of maximum charging current values, mA;IMIN:Represent minimum charge current value current at least two charging current value, mA.
In one embodiment, when the charging current changing ratio is less than or equal to predetermined threshold value, perform default
The step of charge protection operates includes:
When the charging current changing ratio is less than or equal to predetermined threshold value, control charge switch disconnects and/or output
Charging terminates alerting signal.
The present invention also provides a kind of charge protection device, including:
Charging current value acquisition module, for obtaining at least two charging current values;
Curent change ratio computation module, for calculating charging current change according at least two charging current values of acquisition
Rate;
Charge protection operation executing module, for when the charging current changing ratio is less than or equal to predetermined threshold value,
Perform default charge protection operation.
The present invention also provides a kind of electronic cigarette, and the electronic cigarette includes charge protection device as described above and battery.
The present invention also provides a kind of electronic cigarette, and the electronic cigarette includes memory and processor;
The memory storage has at least one programmed instruction;
The processor is by loading and performing at least one programmed instruction to realize following method:
Obtain at least two charging current values;
Charging current changing ratio is calculated according at least two charging current values of acquisition;
When the charging current changing ratio is less than or equal to predetermined threshold value, default charge protection operation is performed.
Charge protection method, device and the electronic cigarette of the present invention, can obtain charging current value, and root during charging
Charging current changing ratio is calculated according to the charging current value of acquisition, when charging current changing ratio is in preset range, is performed
Default charge protection operation, improves the security and reliability of charging equipment charging, and avoid the shadow of over-charging of battery etc.
Ring, thus the service life of battery can also be extended.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the charge protection method of first embodiment of the invention.
Fig. 2 is the structural representation of the charge protection device of second embodiment of the invention.
Fig. 3 is the structural representation of the electronic cigarette of third embodiment of the invention.
Embodiment
Further to illustrate the present invention to reach technical approach and effect that predetermined goal of the invention is taken, below in conjunction with
Drawings and Examples, to embodiment, structure, feature and its effect of the present invention, describe in detail as follows.
First embodiment
Fig. 1 is the schematic flow sheet of the charge protection method of first embodiment of the invention.As shown in figure 1, the present embodiment
Charge protection method includes:
Step 101, at least two charging current values are obtained.
Wherein, charging current value is the current value detected when electronic cigarette etc. is electrically charged equipment charge, in an embodiment party
In formula, obtain charging current value the step of include:A charging current value is obtained every preset duration;Judge that what is currently obtained fills
Whether electric current value is less than pre-set current value;If the charging current value currently obtained is less than pre-set current value, will currently obtain
Charging current value deposit predetermined length queue;If the charging current value currently obtained is more than or equal to pre-set current value,
Return every preset duration obtain a charging current value the step of.
Wherein, preset duration can be, but not limited to as 1 second, that is to say, that a charging current value was obtained every one second, it is real
When border is realized, charging current value can also be that the multiple charging current values obtained in setting duration (such as 2 seconds) are averaged
The current value obtained afterwards, so as to reduce error.After charging current value is obtained, charging current value is stored in predetermined length
In queue, the queue of predetermined length can be, but not limited to follow the round-robin queue of first in first out mechanism, for example, buffer,
That is if the quantity of the charging current value stored in queue reaches maximum and queue is just filled, then to be stored in and work as
It is preceding that the charging current value of most advanced enqueue in queue is then gone out into team when sampling obtained charging current value, then by present sample
Obtain charging current value deposit queue in, and if the length long enough of queue, can store in a setting duration and meet bar
All charging current values of part, because the queue of predetermined length follows first in first out mechanism, stored in the queue of predetermined length
Charging current value be all the time newest acquisition setting number charging current value, reflect current current state of charge.
When actually realizing, current value when the relative charging of current value when being closed to an end due to charging is started is smaller, therefore, can be to obtaining
The charging current value taken is screened, and will only be less than a small current value, i.e. the charging current value less than a pre-set current value is deposited
Enter as data to be analyzed in the queue of predetermined length, so as to reduce the usage time of the queue of predetermined length to reduce internally
The occupancy deposited.Optionally, pre-set current value can be, but not limited to as 200mA, specifically depending on the battery parameter for being electrically charged equipment
Or it is empirical value.
In one embodiment, include before the step of obtaining at least two charging current values:Before charging starts, obtain
The information about power in power taking pond, information about power include the current electric quantity of battery and the capacity of battery;First is calculated according to information about power
Since duration, the first duration are used to indicate the duration start to charge up at least two charging current values of acquisition;Start in charging
Afterwards, charging duration is added up;When length reaches the first duration when charging, step 101 is performed.Wherein, the first duration can be according to being filled
Dump energy when electric equipment charging starts, namely the fully charged required electricity of battery are calculated, and battery is fully charged required
Electricity is obtained by the way that the capacity of battery to be subtracted to the current electric quantity of battery, such as required fill is calculated according to dump energy a
A length of T when electric, then the first duration can be set as any one numerical value in the range of T ± t, t can be, but not limited to for less than
Or equal to 1 minute.When the duration that charges reaches the first duration, start to obtain charging current value, if conversely, charging duration is not up to
First duration, then do not perform step 101.
In one embodiment, wrapped after the step of charging current value currently obtained is stored in the queue of predetermined length
Include:Whether the time duration for judging to store charging current value into the queue of predetermined length reaches setting value;If time duration is not
Reach setting value, then return every preset duration obtain a charging current value the step of;If time duration reaches setting value,
Perform step 102.Optionally, setting value can be, but not limited to as 20 minutes, that is to say, that be deposited in the queue to predetermined length
After the time duration of storage charging current value reaches 20 minutes, start to calculate charging current changing ratio, filled conversely, then continuing acquisition
Electric current value.Wherein, setting value can be the product of the predetermined length and the preset duration, or empirical value, also
It can be adjusted according to the length for the time gap charging end time for starting to obtain a charging current value every preset time
It is whole, so as to start to calculate charging current changing ratio when current fluctuation state will tend to be steady to reduce amount of calculation,
When actually realizing, if the time for starting to obtain the time gap charging end of charging current value is longer, setting value can be set
For a larger value, if the time for starting to obtain the time gap charging end of charging current value is shorter, setting value can be set
It is set to a less value.
In one embodiment, can also include before obtaining charging current value:Judge whether charge protection pattern has beaten
Open;If charge protection pattern has been opened, step 101 is performed;If charge protection pattern is not switched on, return judges charge protection
The step of whether pattern has been opened and/or the alerting signal that output charge protection pattern is not switched on.Optionally, letter is reminded in output
After number, if receive the confirmation signal for opening charge protection pattern, charge protection pattern is opened, conversely, not opening then.
When actually realizing, alerting signal can be the prompting message shown by display screen or pass through voice or other sides
The information of formula displaying, will not be repeated here.Also, the confirmation signal received can be the signal of touch-control touch-screen, can also
For the pressing signal of a certain physical button in pressing electronic cigarette, it is, of course, also possible to be sound control signal or hand signal, herein
Repeat no more.
Step 102, charging current changing ratio is calculated according at least two charging current values of acquisition.
In one embodiment, the step of calculating charging current changing ratio according to the charging current value of acquisition includes:Obtain
Take pairs of maximum charging current values current at least two charging current value and minimum charge current value;Charging current is calculated to become
Change ratio, the calculation formula of charging current changing ratio isIn formula, Δ I:Charging current changing ratio is represented,
IMAX:Represent pairs of maximum charging current values current at least two charging current value, mA, IMIN:Represent described at least two
Current minimum charge current value, mA in charging current value.
Optionally, after at least two charging current values are stored in into the queue of predetermined length, start to calculate charging current change
Change ratio to monitor charging current situation of change in real time, because the queue of predetermined length follows first in first out mechanism, in pre- fixed length
The charging current value stored in the queue of degree is the charging current value of the setting number of newest acquisition all the time, is reflected current
Current state of charge.During calculating, pairs of maximum charging current values current at least two charging current values of acquisition is filled with minimum
Electric current value is divided by, and the ratio of pairs of maximum charging current values and minimum charge current value reflects ought interior electricity for the previous period
Fluctuation status are flowed, current fluctuation state will tend to be steady when charging closes to an end, can by calculating charging current changing ratio
To be monitored to charged state.
Step 103, when charging current changing ratio is less than or equal to predetermined threshold value, default charge protection behaviour is performed
Make.
Wherein, the ginseng of the charging current changing ratio when predetermined threshold value will tend to be steady as current fluctuation state
Scope is examined, in one embodiment, when charging current changing ratio is less than or equal to predetermined threshold value, performs default charger
The step of shield operation, includes:When charging current changing ratio is less than or equal to predetermined threshold value, control charge switch disconnect and/or
Output charging terminates alerting signal.Predetermined threshold value is greater than or equal to 1 empirical value, optionally, predetermined threshold value can with but
It is not limited to 1.2, that is to say, that when charging current changing ratio is less than or equal to 1.2, perform default charge protection behaviour
Make.Optionally, when performing default charge protection operation, it can be to be shown by display screen that the charging of output, which terminates alerting signal,
Prompting message or pass through the information that voice or other manner are shown.
In one embodiment, when charging current changing ratio is more than predetermined threshold value, perform in step 101 every default
Duration obtains the step of charging current value, that is to say, that when the result of calculation of charging current changing ratio is that electric current is still located
When obvious fluctuation status, default charge protection is not performed and operates and continues to gather charging current value, if predetermined length
Queue be currently filled with, then need to remove the charging current value of the queue for being stored in predetermined length at first for storing new charging electricity
Flow valuve.
The charge protection method of the present embodiment, charging current value, and filling according to acquisition can be obtained during charging
Electric current value calculates charging current changing ratio, when charging current changing ratio is in preset range, performs default charging
Protection operation, improves the security and reliability of charging equipment charging, and avoids the influence of over-charging of battery etc., thus can also
Extend the service life of battery.
Second embodiment
Fig. 2 is the structural representation of the charge protection device of second embodiment of the invention.A kind of as shown in Fig. 2 charger
Protection unit, including charging current value acquisition module 201, curent change ratio computation module 202, charge protection operation executing module
203.Charging current value acquisition module 201, for obtaining at least two charging current values.Curent change ratio computation module 202,
For calculating charging current changing ratio according at least two charging current values of acquisition.Charge protection operation executing module 203,
For when charging current changing ratio is less than or equal to predetermined threshold value, performing default charge protection operation.
The present invention also provides a kind of electronic cigarette, and electronic cigarette includes charge protection device and battery as above.
The charge protection device and electronic cigarette of the present embodiment, can obtain charging current value during charging, and according to
The charging current value of acquisition calculates charging current changing ratio, when charging current changing ratio is in preset range, performs pre-
If charge protection operation, improve the security and reliability of charging equipment charging, and avoid the influence of over-charging of battery etc.,
The service life of battery can also thus be extended.
3rd embodiment
Fig. 3 is the structural representation of the electronic cigarette of third embodiment of the invention.As shown in figure 3, electronic cigarette includes memory
301 and processor 302.
Wherein, memory 301 is stored with least one programmed instruction.Processor 302 is by loading and performing at least one
Programmed instruction is to realize following method:Obtain at least two charging current values;According at least two charging current value meters of acquisition
Calculate charging current changing ratio;When charging current changing ratio is less than or equal to predetermined threshold value, default charge protection is performed
Operation.
In one embodiment, before charging current value is obtained, processor 302 can also be by loading and performing at least
One programmed instruction is to realize following method:Before charging starts, the information about power of battery is obtained, information about power includes battery
The capacity of current electric quantity and battery;First duration is calculated according to information about power, the first duration is used to indicate from starting to charge up to opening
Beginning obtains the duration of at least two charging current values;After charging starts, add up charging duration;When length reaches first when charging
When long, into the step of obtaining at least two charging current values.
In one embodiment, the step of at least two charging current value of acquisition that processor 302 performs, includes:Every pre-
If duration obtains a charging current value;Whether the charging current value for judging currently to obtain is less than pre-set current value;If currently obtain
The charging current value taken is less than pre-set current value, then the charging current value currently obtained is stored in the queue of predetermined length;If work as
The charging current value of preceding acquisition is more than or equal to pre-set current value, then returns every preset duration one charging current value of acquisition
Step.
In one embodiment, the charging current value currently obtained can also be stored in predetermined length by processor 302
After queue, by loading and performing at least one programmed instruction to realize following method:Judge into the queue of predetermined length
Whether the time duration of storage charging current value reaches setting value;If time duration is not up to setting value, return every default
Duration obtains the step of charging current value;If time duration reaches setting value, enter and filled according at least two of acquisition
Electric current value calculates the step of charging current changing ratio.
In one embodiment, what processor 302 performed calculates charging electricity according at least two charging current values of acquisition
The step of flowing changing ratio includes:Pairs of maximum charging current values current at least two charging current value is obtained to fill with minimum
Electric current value;Charging current changing ratio is calculated, the calculation formula of charging current changing ratio isIn formula, Δ I:
Represent charging current changing ratio;IMAX:Represent pairs of maximum charging current values current at least two charging current value, mA;
IMIN:Represent minimum charge current value current at least two charging current value, mA.
In one embodiment, processor 302 perform when charging current changing ratio is less than or equal to predetermined threshold value,
The step of performing default charge protection operation includes:When charging current changing ratio is less than or equal to predetermined threshold value, control
Charge switch disconnects and/or output charging terminates alerting signal.
In one embodiment, processor 302 can also be realized such as by loading and performing at least one programmed instruction
Lower method:Judge whether charge protection pattern has been opened;If charge protection pattern has been opened, perform and obtain at least two chargings
The step of current value;If charging protecting module is not switched on, return judges guarantor has been opened and/or exported to charge protection pattern whether
The alerting signal that shield pattern is not switched on.
In one embodiment, processor 302 can also be realized such as by loading and performing at least one programmed instruction
Lower method:When charging current changing ratio is more than predetermined threshold value, return every preset duration one charging current value of acquisition
Step.
The electronic cigarette of the present embodiment, charging current value can be obtained during charging, and according to the charging current of acquisition
Value calculates charging current changing ratio, when charging current changing ratio is in preset range, performs default charge protection behaviour
Make, improve the security and reliability of charging equipment charging, and avoid the influence of over-charging of battery etc., thus electricity can also be extended
The service life in pond.
It the above is only presently preferred embodiments of the present invention, any formal limitation not made to the present invention, although this
Invention is disclosed above with preferred embodiment, but is not limited to the present invention, any person skilled in the art,
Do not depart from the range of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of change, as long as being without departing from technical solution of the present invention content, the technical spirit according to the present invention is real to more than
Any simple modification, equivalent change and modification that example is made is applied, in the range of still falling within technical solution of the present invention.
Claims (10)
- A kind of 1. charge protection method, it is characterised in that including:Obtain at least two charging current values;Charging current changing ratio is calculated according at least two charging current values of acquisition;When the charging current changing ratio is less than or equal to predetermined threshold value, default charge protection operation is performed.
- 2. charge protection method as claimed in claim 1, it is characterised in that before at least two charging current values are obtained, Methods described also includes:Before charging starts, obtain the information about power of battery, the information about power include the current electric quantity of the battery with it is described The capacity of battery;According to the information about power calculate the first duration, first duration be used for indicate since start to charge up to obtain at least The duration of two charging current values;After charging starts, add up charging duration;When the charging duration reaches first duration, into the step of obtaining at least two charging current values.
- 3. charge protection method as claimed in claim 1, it is characterised in that the step of obtaining at least two charging current values, Including:A charging current value is obtained every preset duration;Whether the charging current value for judging currently to obtain is less than pre-set current value;If the charging current value currently obtained is less than pre-set current value, the charging current value currently obtained is stored in predetermined length Queue;If the charging current value currently obtained is more than or equal to pre-set current value, returns and obtain a charging every preset duration The step of current value.
- 4. charge protection method as claimed in claim 3, it is characterised in that pre- the charging current value currently obtained is stored in After the queue of measured length, methods described also includes:Whether the time duration for judging to store charging current value in the queue to the predetermined length reaches setting value;If the time duration is not up to setting value, return every preset duration obtains a charging current value the step of;If the time duration reaches setting value, enter and calculate charging current change according at least two charging current values of acquisition The step of changing ratio.
- 5. charge protection method as claimed in claim 3, it is characterised in that methods described also includes:When the charging current changing ratio is more than predetermined threshold value, return every preset duration one charging current value of acquisition Step.
- 6. charge protection method as claimed in claim 1, it is characterised in that according at least two charging current value meters of acquisition The step of calculating charging current changing ratio includes:Obtain pairs of maximum charging current values current at least two charging current value and minimum charge current value;Charging current changing ratio is calculated, the calculation formula of the charging current changing ratio is<mrow> <mi>&Delta;</mi> <mi>I</mi> <mo>=</mo> <mfrac> <msub> <mi>I</mi> <mrow> <mi>M</mi> <mi>A</mi> <mi>X</mi> </mrow> </msub> <msub> <mi>I</mi> <mrow> <mi>M</mi> <mi>I</mi> <mi>N</mi> </mrow> </msub> </mfrac> </mrow>In formula, Δ I:Represent charging current changing ratio;IMAX:Represent maximum current at least two charging current value Charging current value, mA;IMIN:Represent minimum charge current value current at least two charging current value, mA.
- 7. charge protection method as claimed in claim 1, it is characterised in that when the charging current changing ratio is less than or waits When predetermined threshold value, performing the step of default charge protection operates includes:When the charging current changing ratio is less than or equal to predetermined threshold value, control charge switch disconnects and/or output charging Terminate alerting signal.
- A kind of 8. charge protection device, it is characterised in that including:Charging current value acquisition module, for obtaining at least two charging current values;Curent change ratio computation module, for calculating charging current rate of change according at least two charging current values of acquisition;Charge protection operation executing module, for when the charging current changing ratio is less than or equal to predetermined threshold value, performing Default charge protection operation.
- 9. a kind of electronic cigarette, it is characterised in that the electronic cigarette includes charge protection device as claimed in claim 8 and electricity Pond.
- 10. a kind of electronic cigarette, it is characterised in that the electronic cigarette includes memory and processor;The memory storage has at least one programmed instruction;The processor is by loading and performing at least one programmed instruction to realize following method:Obtain at least two charging current values;Charging current changing ratio is calculated according at least two charging current values of acquisition;When the charging current changing ratio is less than or equal to predetermined threshold value, default charge protection operation is performed.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711121102.9A CN107681746B (en) | 2017-11-14 | 2017-11-14 | Charging protection method and device and electronic cigarette |
PCT/CN2018/115151 WO2019096108A1 (en) | 2017-11-14 | 2018-11-13 | Charging protection method and apparatus, and charging device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201711121102.9A CN107681746B (en) | 2017-11-14 | 2017-11-14 | Charging protection method and device and electronic cigarette |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107681746A true CN107681746A (en) | 2018-02-09 |
CN107681746B CN107681746B (en) | 2020-06-09 |
Family
ID=61148838
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201711121102.9A Active CN107681746B (en) | 2017-11-14 | 2017-11-14 | Charging protection method and device and electronic cigarette |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN107681746B (en) |
WO (1) | WO2019096108A1 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019096108A1 (en) * | 2017-11-14 | 2019-05-23 | 深圳阿凡达智控有限公司 | Charging protection method and apparatus, and charging device |
CN109802191A (en) * | 2019-02-27 | 2019-05-24 | 苏州浪潮智能科技有限公司 | A kind of charging method, system, device and the server of battery group |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113960478B (en) * | 2021-11-04 | 2023-06-23 | 艾体威尔电子技术(北京)有限公司 | Asynchronous electric quantity acquisition method for Internet of things equipment |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103779906A (en) * | 2014-01-24 | 2014-05-07 | 无锡中星微电子有限公司 | Charge management device and system |
CN106602662A (en) * | 2017-01-05 | 2017-04-26 | 北京新能源汽车股份有限公司 | Overcurrent control method for charging current, onboard charger and automobile |
CN107171380A (en) * | 2017-05-12 | 2017-09-15 | 华霆(合肥)动力技术有限公司 | Charging method and device |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20130207592A1 (en) * | 2010-10-18 | 2013-08-15 | Ohk Research Institute | Battery Charger and Battery Charge Method |
JP2015061445A (en) * | 2013-09-19 | 2015-03-30 | 株式会社東芝 | Charge device and method therefor, and discharge device and method therefor |
CN203761084U (en) * | 2014-01-24 | 2014-08-06 | 无锡中星微电子有限公司 | Charging management device and system |
CN104242412B (en) * | 2014-10-14 | 2017-06-20 | 广州市德百顺电气科技有限公司 | The charged state detection means and method of a kind of battery |
CN107681746B (en) * | 2017-11-14 | 2020-06-09 | 深圳阿凡达智控有限公司 | Charging protection method and device and electronic cigarette |
-
2017
- 2017-11-14 CN CN201711121102.9A patent/CN107681746B/en active Active
-
2018
- 2018-11-13 WO PCT/CN2018/115151 patent/WO2019096108A1/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103779906A (en) * | 2014-01-24 | 2014-05-07 | 无锡中星微电子有限公司 | Charge management device and system |
CN106602662A (en) * | 2017-01-05 | 2017-04-26 | 北京新能源汽车股份有限公司 | Overcurrent control method for charging current, onboard charger and automobile |
CN107171380A (en) * | 2017-05-12 | 2017-09-15 | 华霆(合肥)动力技术有限公司 | Charging method and device |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019096108A1 (en) * | 2017-11-14 | 2019-05-23 | 深圳阿凡达智控有限公司 | Charging protection method and apparatus, and charging device |
CN109802191A (en) * | 2019-02-27 | 2019-05-24 | 苏州浪潮智能科技有限公司 | A kind of charging method, system, device and the server of battery group |
Also Published As
Publication number | Publication date |
---|---|
CN107681746B (en) | 2020-06-09 |
WO2019096108A1 (en) | 2019-05-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107706979A (en) | Charge protection method, device and electronic cigarette | |
CN106114254B (en) | Intelligent charge control method, device and system | |
CN103956792B (en) | A kind of method and device controlling mobile terminal charging temperature rise | |
US9444274B2 (en) | Method of detection and display of charging information of power bank | |
CN107681746A (en) | Charge protection method, device and electronic cigarette | |
CN104218269B (en) | Charging method, charging system and charging terminal | |
CN106340922A (en) | Charging method and mobile terminal | |
CN110266071A (en) | A kind of intelligent charging method, device, equipment and readable medium | |
CN104377394B (en) | The intelligent charging method and device of a kind of electronic equipment | |
CN1996701A (en) | Battery charging management system and method | |
CN105098729B (en) | A kind of Intelligent lithium battery protection device and its control method | |
CN105958564A (en) | Charging mode indication method and device, and charging method and device | |
CN108964182A (en) | The adjusting method and device of reverse charging equipment, reverse charging electric current | |
CN104092262B (en) | Charging control device and charging control method | |
CN106684984A (en) | Wireless charging method, wireless charging device and wireless charging system | |
CN109188303A (en) | Fast charge system detection method, equipment and storage medium | |
CN112630670B (en) | Battery safety parameter acquisition method and device, storage medium and electronic equipment | |
CN101399381B (en) | Apparatus for changing charging and discharging efficiency according to status of chargeable battery | |
CN106549439A (en) | A kind of battery temperature measure and control device, method and mobile terminal | |
CN107331910A (en) | Charging method and device | |
CN109142953A (en) | Leakage current monitoring method and electronic equipment | |
CN104899124B (en) | The safe operation control method and system and mobile terminal of mobile terminal | |
CN103810792B (en) | Handle the method for power supply status and support the terminal of this method | |
CN105548887B (en) | A kind of battery capacity value calibration method and device thereof | |
CN109256825B (en) | Charging method and electronic device |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20211028 Address after: 518103 floors 1-3, building 28, Heyi community and Yibei science and Technology Park, Shajing street, Shenzhen, Guangdong Province; B, second floor, Building 29; C on the first floor of Building 8 Patentee after: Shenzhen zhuo'eryue Electronic Technology Co., Ltd Address before: 518001 1002, satellite building, software Industrial Park base, Shenzhen City, Guangdong Province Patentee before: SHENZHEN AVATAR CONTROLS Co.,Ltd. |
|
TR01 | Transfer of patent right |