CN107681746A - Charge protection method, device and electronic cigarette - Google Patents

Charge protection method, device and electronic cigarette Download PDF

Info

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
Application number
CN201711121102.9A
Other languages
Chinese (zh)
Other versions
CN107681746B (en
Inventor
不公告发明人
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Joyetech Shenzhen Electronics Co Ltd
Original Assignee
Shenzhen Avatar Controls Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Shenzhen Avatar Controls Co ltd filed Critical Shenzhen Avatar Controls Co ltd
Priority to CN201711121102.9A priority Critical patent/CN107681746B/en
Publication of CN107681746A publication Critical patent/CN107681746A/en
Priority to PCT/CN2018/115151 priority patent/WO2019096108A1/en
Application granted granted Critical
Publication of CN107681746B publication Critical patent/CN107681746B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H02J7/0029Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
    • HELECTRICITY
    • H01ELECTRIC 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
    • 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
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • 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
    • H02J7/00302Overcharge protection
    • 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
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • 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
    • H02J7/0047Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048Detection of remaining charge capacity or state of charge [SOC]
    • H02J7/0049Detection of fully charged condition
    • 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

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

Charge protection method, device and electronic cigarette
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)

  1. 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. 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. 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. 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. 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. 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>&amp;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. 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.
  8. 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. 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. 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.
CN201711121102.9A 2017-11-14 2017-11-14 Charging protection method and device and electronic cigarette Active CN107681746B (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (3)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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