CN106849240A - A kind of terminal device battery charging state detection method and detection means - Google Patents
A kind of terminal device battery charging state detection method and detection means Download PDFInfo
- Publication number
- CN106849240A CN106849240A CN201710100045.XA CN201710100045A CN106849240A CN 106849240 A CN106849240 A CN 106849240A CN 201710100045 A CN201710100045 A CN 201710100045A CN 106849240 A CN106849240 A CN 106849240A
- Authority
- CN
- China
- Prior art keywords
- battery
- terminal device
- charging
- temperature data
- voltameter
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 52
- 230000001143 conditioned effect Effects 0.000 claims abstract description 39
- 238000004891 communication Methods 0.000 claims description 9
- 230000002159 abnormal effect Effects 0.000 claims description 7
- 238000013500 data storage Methods 0.000 claims description 7
- 230000005611 electricity Effects 0.000 claims description 7
- 230000008859 change Effects 0.000 abstract description 5
- 229910052744 lithium Inorganic materials 0.000 description 14
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 9
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 7
- 238000010586 diagram Methods 0.000 description 7
- 229910001416 lithium ion Inorganic materials 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 7
- 239000000463 material Substances 0.000 description 6
- 238000005070 sampling Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 150000002641 lithium Chemical group 0.000 description 4
- 125000004430 oxygen atom Chemical group O* 0.000 description 3
- 239000011148 porous material Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 239000003575 carbonaceous material Substances 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000003792 electrolyte Substances 0.000 description 2
- 238000004880 explosion Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241001269238 Data Species 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000011149 active material Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 229910017052 cobalt Inorganic materials 0.000 description 1
- 239000010941 cobalt Substances 0.000 description 1
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- SPJMAPNWDLIVRR-UHFFFAOYSA-M sodium;3-chloro-2-phenylphenolate Chemical compound [Na+].[O-]C1=CC=CC(Cl)=C1C1=CC=CC=C1 SPJMAPNWDLIVRR-UHFFFAOYSA-M 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
Classifications
-
- H02J7/0091—
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
- G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. 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
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The present invention proposes a kind of terminal device battery charging state detection method and detection means, including：Detect whether to start the charging to terminal device, if it is obtain the charging status information of the battery of terminal device；Obtain the temperature data of battery in real time using voltameter, and temperature data is sent to main control module be analyzed judgement；Main control module detection temperature data are located at when in preset security interval, judge that battery is in normal charging condition；Meet first it is pre-conditioned when, control battery stop charge；Meet second it is pre-conditioned when control terminal device shutdown；Meet the 3rd it is pre-conditioned when, control battery restart charge.The different condition that the present invention is met according to temperature data, control battery stops charge, restart charging and the shutdown of terminal device, and adjusts state of a control according to the change of temperature data, and then ensures the security for charging.
Description
Technical field
The present invention relates to mobile terminal and battery detecting technical field, more particularly to a kind of terminal device battery charging state
Detection method and detection means.
Background technology
The cell safety problems such as the blast of mobile phone charging a few days ago have swept across major news headlines, and people pacify to rechargeable cellphone battery
The attention rate of full problem has risen to a new high degree.The same problem is present not only in cell phone apparatus, and also existing in makes
With in the terminal electronic device of battery.Traditional equipment is not detected when battery charges to battery status, or detection
The not comprehensive enough intelligence of mode, or even the problems such as go out present condition and report by mistake, cause that the excessively thermally-induced battery of over-charging of battery is hot, leakage even
Blast.
The battery that most of electronic equipments are used now is all based on lithium ion battery, lithium to be used according to its chemical characteristic
Used as rechargeable battery, its advantage is notable.It is high etc. main with small volume, density high, big capacity and long service life, efficiency for charge-discharge
Advantage occupies all trades and professions.But because lithium is the minimum and most active metal of diameter on the periodic table of elements, exist certain
It is dangerous.Its chemical property is too active, can be with the oxygen atom in air if lithium metal is directly exposed in air
Fierce oxidation reaction is produced, so as to produce blast.So people have invented the materials such as graphite and cobalt acid lithium to store lithium ion,
The material has all unapproachable minimum density of oxygen atom, and such oxygen atom cannot be contacted with lithium ion, so as to ensure that lithium
The security of ion.In lithium cell charging process, the lithium atom of anode can lose electronics and be oxidized to lithium ion, by electricity
Solution liquid is swum to the carbon material layer of negative pole, and it is lithium atom to obtain an electron reduction.Discharge process is foregoing reverse process.
In order to prevent positive and negative two-stage contact short circuit, it is necessary to increase by one layer of micro-pore septum between the both positive and negative polarity of lithium battery interior by both positive and negative polarity
Active material is separated.Work and charging and discharging state that so lithium battery can be safe.
But lithium battery can then break existing safety prevention measure in non-normal use state, it is changed into the inflammable of danger
Or explosive source.The safeguard construction of such as lithium battery interior can then produce negative effect when charging voltage is too high, and itself has filled
The battery of full electricity continues through high pressure and is filled with, then the carbon material storage lattice that GND can be made to be already filled with lithium ion originally are relayed
Continuous to load lithium ion, can not load the storage lattice of lithium ion can continue to spread to form lithium atom crystallization to micro-pore septum direction, largely
The crystallization can penetrate micro-pore septum after producing make both positive and negative polarity short circuit, so as to produce battery hot, such as continue charging if can temperature after
Continuous rising is exploded.Another situation is to produce high temperature or the external high temperature to cause electrolyte inside etc. extremely in charging process
Material cracking produces gas, ruptures battery structure blow-up, and oxygen produces blast into the lithium atom reaction with negative terminal surface.Together
Sample battery is in charging process, if running into the influence of low temperature, it will cause the normal performance failure of electrolyte of inside battery,
Influence charged state, if continuing to reduce battery temperature or even can destroy internal structure, produces the hidden danger of battery explosion, it is necessary to logical
Crossing high/low temperature detection can avoid above-mentioned battery problems from occurring.In addition, can cause to damage or direct to battery when current charge is crossed
Cause battery explosion.
Therefore, need at present those skilled in the art urgently solve a technical problem be exactly：There is provided a kind of reliable
Battery charging state detection scheme ensures safety problem of the terminal device in charging process.
The content of the invention
The purpose of the present invention is intended at least solve one of described technological deficiency.
Therefore, it is an object of the invention to propose a kind of terminal device battery charging state detection method and detection means,
The different condition that can be met according to temperature data, control battery stops charging, restarts the pass of charging and terminal device
Machine, and state of a control is adjusted according to the change of temperature data, and then ensure the security for charging.
To achieve these goals, the embodiment of one aspect of the present invention provides a kind of terminal device battery charging state detection
Method, comprises the following steps：
Step S1, detects whether to start the charging to terminal device, if it is obtains the battery of the terminal device
Charging status information；
Step S2, the temperature data of the battery is obtained using voltameter, and the temperature data is sent to master in real time
Control module is analyzed judgement；
Step S3, the main control module detects that the temperature data is located at when in preset security interval, judges the battery
In normal charging condition；
The main control module detect the temperature data meet first it is pre-conditioned when, return to stopping to the voltameter and fill
Electric control signal, controls the battery to stop charging by the voltameter；
The main control module detect the temperature data meet second it is pre-conditioned when, send shutdown to the terminal device
Control signal, to control the terminal device to shut down；
The main control module detect the temperature data meet the 3rd it is pre-conditioned when, returned to the voltameter and opened again
Beginning charging control signal, controls the battery to restart to charge by the voltameter.
Further, it is 0 DEG C~50 DEG C that the preset security is interval.
Further, described first pre-conditioned is：The temperature of the battery is less than 0 DEG C, or equal to higher than 55 DEG C；It is described
Second pre-conditioned is：The temperature of the battery is less than -20 DEG C, or equal to higher than 66 DEG C；Described 3rd pre-conditioned is：Institute
The temperature for stating battery is equal to higher than 5 DEG C, or less than 50 DEG C.
Further, in the step S1, the charging status information of the battery, including：Charger plug state information,
Cell voltage status information, battery temperature status information and battery abnormal information.
The embodiment of another aspect of the present invention provides a kind of terminal device battery charging state detection means, including：Electricity
Meter and main control module, wherein,
The battery temperature interface of the voltameter and terminal device, anode and GND are connected, for obtaining in real time
Take the temperature data of the battery；
The main control module is connected by I2C communication interfaces and the voltameter with the terminal device, for detecting
Whether start the charging to terminal device, if it is obtain the charging status information of the battery of the terminal device, Yi Jijie
The temperature data from the voltameter is received, and judgement is analyzed to the temperature data,
When the main control module detection temperature data is located in preset security interval, judge that the battery is in just
Normal charged state；
The main control module detect the temperature data meet first it is pre-conditioned when, return to stopping to the voltameter and fill
Electric control signal, controls the battery to stop charging by the voltameter；
The main control module detect the temperature data meet second it is pre-conditioned when, send shutdown to the terminal device
Control signal, to control the terminal device to shut down；
The main control module detect the temperature data meet the 3rd it is pre-conditioned when, returned to the voltameter and opened again
Beginning charging control signal, controls the battery to restart to charge by the voltameter.
Further, it is 0 DEG C~50 DEG C that the preset security is interval；
Described first pre-conditioned is：The temperature of the battery is less than 0 DEG C, or equal to higher than 55 DEG C；
Described second pre-conditioned is：The temperature of the battery is less than -20 DEG C, or equal to higher than 66 DEG C；
Described 3rd pre-conditioned is：It is higher than 5 DEG C that the temperature of the battery is equal to, or less than 50 DEG C.
Further, the charging status information of the battery, including：Charger plug state information, cell voltage state letter
Breath, battery temperature status information and battery abnormal information.
Further, the voltameter includes：ADC change-over circuits, data storage circuitry, the I2C interface circuits being sequentially connected
Circuit is controlled with LDO, wherein,
The ADC change-over circuits are used to for the temperature data obtained from terminal device to be converted to digital quantity by analog quantity；
The data storage circuitry is used to store the temperature data of digital quantity form；
The I2C interface circuits are bi-directionally connected with the I2C communication interfaces of the main control module, for the main control module
Send the temperature data of digital quantity form and receive the control signal from the main control module；
The LDO controls circuit is used for the control signal sent according to the I2C interface circuits, controls the battery to stop
Charge or restart to charge.
Further, the LDO control circuits are controlled described according to stopping charging control signal and restarting charging signals
The positive pole pin and negative pin of battery.
Further, the terminal device is mobile phone or panel computer.
Terminal device battery charging state detection method according to embodiments of the present invention and detection means, are examined using voltameter
Survey terminal device battery temperature data, and by main control module hair temperature data is analyzed, according to battery charge when
Real-time high/low temperature temperature value controls charged state, according to the different condition that temperature data is met, control battery stops charging,
Restart charging and the shutdown of terminal device, and state of a control is adjusted according to the change of temperature data, and then ensure what is charged
Security.
The additional aspect of the present invention and advantage will be set forth in part in the description, and will partly become from the following description
Obtain substantially, or recognized by practice of the invention.
Brief description of the drawings
Of the invention above-mentioned and/or additional aspect and advantage will become from description of the accompanying drawings below to embodiment is combined
Substantially and be readily appreciated that, wherein：
Fig. 1 is the FB(flow block) of the terminal device battery charging state detection method according to the embodiment of the present invention；
Fig. 2 is the flow chart of the terminal device battery charging state detection method according to the embodiment of the present invention；
Fig. 3 is the temperature threshold schematic diagram charged according to the battery of the embodiment of the present invention；
Fig. 4 is the structure chart of the terminal device battery charging state detection means according to the embodiment of the present invention；
Fig. 5 is the schematic diagram of the terminal device battery charging state detection means according to the embodiment of the present invention；
Fig. 6 is the schematic diagram of the voltameter module according to the embodiment of the present invention；
Fig. 7 is the circuit diagram of the battery-end according to the embodiment of the present invention；
Fig. 8 is the circuit diagram at the voltameter end of basic inventive embodiments；
Fig. 9 is the circuit diagram of the main control end according to the embodiment of the present invention.
Specific embodiment
Embodiments of the invention are described below in detail, the example of the embodiment is shown in the drawings, wherein from start to finish
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
It is exemplary to scheme the embodiment of description, it is intended to for explaining the present invention, and be not considered as limiting the invention.
As shown in figure 1, the terminal device battery charging state detection method of the embodiment of the present invention, comprises the following steps：
Step S1, detects whether to start the charging to terminal device, if it is obtains the charging of the battery of terminal device
Status information.Wherein, terminal device can be mobile phone or panel computer.
In this step, the charging status information of battery, including：Charger plug state information, cell voltage state letter
Breath, battery temperature status information and battery abnormal information.
Step S2, the temperature data of battery is obtained using voltameter in real time, and temperature data is sent to main control module
Row analysis judges.
It should be noted that the battery material structure used due to distinct device and heatproof parameter may differences, institute
It is adjusted, it is necessary to the hand of reference battery manufacturer offer so that actual temp threshold value control point needs different according to battery manufacturer
Volume carrys out decision threshold point.The present invention uses standard reference value, is marked in the specifications that the battery manufacturer in the design formulates,
Battery temperature preferably must be held between -20 DEG C~66 DEG C during charging, and standard charging state must 0 DEG C~50 DEG C (+5 DEG C) it
Between, according to the parameter setting charging concrete scheme.Illustrate below in conjunction with specific embodiments.
Step S3, main control module detection temperature data are located at when in preset security interval, are judged that battery is in and are charged normal
State.
In one embodiment of the invention, it is 0 DEG C~50 DEG C that preset security is interval, battery status when can keep charging
Safety.
Then, according to the different condition that temperature data is located at is detected, the battery to terminal device uses different places
Reason means.
When main control module detection temperature data fit first is pre-conditioned, is returned to voltameter and stop charging control signal,
Stop charging by voltameter control battery.
In one embodiment of the invention, first pre-conditioned is：The temperature of battery is less than 0 DEG C, or equal to being higher than
55℃。
When main control module detection temperature data fit second is pre-conditioned, shutdown control signal is sent to terminal device, with
Control terminal equipment is shut down.
In one embodiment of the invention, second pre-conditioned is：The temperature of battery is less than -20 DEG C, or equal to height
In 66 DEG C.
When main control module detection temperature data fit the 3rd is pre-conditioned, is returned to voltameter and restart charge control letter
Number, restart to charge by voltameter control battery.
In one embodiment of the invention, the 3rd pre-conditioned is：It is higher than 5 DEG C that the temperature of battery is equal to, or is less than
50℃。
With reference to Fig. 3, when battery temperature is less than 0 DEG C, mold filling formula is stopped into low temperature, but if battery status by it is extraneous because
When there is abnormal continuation reduction temperature to -20 DEG C in element, it is necessary to detected by main control module and enter low temperature off-mode guarantee battery
It is changed into off working state (low temperature shutdown).Normal charging condition can be gone successively to after battery status recovers to heat up more than 5 DEG C,
Battery temperature continues that mold filling formula protection battery should be stopped into high temperature after intensification exceeds high-temperature standard higher than 55 DEG C, if battery continues
66 DEG C are risen above, the guarantee battery that should shut down immediately is in off working state (high temperature shutdown).
Accordingly, if after battery is shut down for a period of time by high temperature, temperature is reduced to less than 61 DEG C, then recover to high temperature to stop
Mold filling formula, when further detecting temperature and being reduced to below 50 DEG C, then starts and battery is charged normal.
The flow to the terminal device battery charging state detection method of the embodiment of the present invention is described in detail below.
As shown in Fig. 2 system enters charging module code first, start to do initial work, initialization is charged and shows letter
Breath, charge event, status information and other necessary functions.
Captured subsequently into charge event and treatment thread, core processing work is done in the thread.Into in the thread,
First obtain charge event information, according to the event information parse it is various fill state, comprising charger plug state, cell voltage
The information such as state, battery temperature state, and battery exception.
Main control module carries out treatment parsing after obtaining the information, if excessively stream, overvoltage, under-voltage etc. occurs extremely in charged state
Problem, directly performs abnormality processing and performs shutdown command.As charged state is normal, then battery temperature detection process are performed, according to
The temperature parameter predicted in above-mentioned design makes different disposal, when battery temperature is less than -20 DEG C or more than or equal to 66 DEG C
When directly perform shutdown command, when temperature is less than 0 DEG C or performs during more than or equal to 55 DEG C and stops filling instruction, and directly redirect and recharge
Electricity condition detection thread beginning, re-executes new events capture treatment, if battery temperature recovers to more than or equal to 5 DEG C and small
Then restart to charge in 50 DEG C, and jump back to charged state detection thread beginning, continue poll and do at charge event detection
Science and engineering is made.By charge information display output if battery status is normal, does picture refreshing treatment or perform other output indications
Instruction, such as LED breath lights flicker etc..
As shown in figure 4, the embodiment of the present invention also provides a kind of battery charging state detection means of terminal device, including：
Voltameter 100 and main control module 200.Wherein, terminal device can be mobile phone or panel computer.
Specifically, with reference to Fig. 5, the battery temperature interface of voltameter 100 and terminal device, anode (+) and battery are born
Pole (-) is connected, the temperature data for obtaining battery in real time.By by the both positive and negative polarity interface of battery be connected to voltameter module come
Charge control is done to use.
As shown in fig. 6, voltameter 100 includes：ADC change-over circuits, data storage circuitry, the I2C interfaces electricity being sequentially connected
Road and LDO control circuits.
Specifically, because battery indicates battery temperature, it is necessary to the interface is connected into voltameter 100 using analog voltage
Module is used as the reading sampling of battery temperature data.ADC change-over circuits are used for the temperature data that will be obtained from terminal device
Digital quantity is converted to by analog quantity, and is sent to data storage circuitry.Data storage circuitry is used to store the temperature of digital quantity form
Degrees of data.
I2C interface circuits are bi-directionally connected with the I2C communication interfaces of main control module 200, for sending number to main control module 200
The control signal of temperature data and reception from main control module 200 of word amount form.LDO control circuits are used to be connect according to I2C
The control signal that mouth circuit sends, control battery stops charging or restarting charging.
Additionally, LDO controls circuit according to stopping charging control signal and restarting charging signals, the positive pole of battery is controlled
Pin and negative pin.
With reference to Fig. 5, main control module 200 is connected by I2C communication interfaces and voltameter 100 with terminal device, for examining
Whether survey starts the charging to terminal device, if it is obtains the charging status information of the battery of terminal device, and receive
Temperature data from voltameter 100, and judgement is analyzed to temperature data.Wherein, the charging status information of battery, bag
Include：Charger plug state information, cell voltage status information, battery temperature status information and battery abnormal information.
Specifically, main control module 200 obtains the temperature for having stored from I2C communication interfaces and believes by software polling mechanism
Breath, is sent to the module of voltameter 100, by voltameter 100 by writing I2C interfaces after software logic analysis judges by control signal
Module controls LDO on-off circuits by I/O operation, does whether charge control stops to fill or restart to charge.If temperature reaches
Main control module 200 is also needed to shutdown critical value directly perform shutdown command.
When the detection temperature data of main control module 200 are located in preset security interval, judge that battery is in and charge normal shape
State.
In one embodiment of the invention, it is 0 DEG C~50 DEG C that preset security is interval.
When the detection temperature data fit first of main control module 200 is pre-conditioned, is returned to voltameter 100 and stop charge control
Signal, controls battery to stop charging by voltameter 100.
In one embodiment of the invention, first pre-conditioned is：The temperature of battery is less than 0 DEG C, or equal to being higher than
55℃。
When the detection temperature data fit second of main control module 200 is pre-conditioned, shutdown control signal is sent to terminal device,
Shut down with control terminal equipment.
In one embodiment of the invention, second pre-conditioned is：The temperature of battery is less than -20 DEG C, or equal to height
In 66 DEG C.
When the detection temperature data fit the 3rd of main control module 200 is pre-conditioned, is returned to voltameter 100 and restart to charge
Control signal, controls battery to restart to charge by voltameter 100.
In one embodiment of the invention, the 3rd pre-conditioned is：It is higher than 5 DEG C that the temperature of battery is equal to, or is less than
50℃。
Also, when battery temperature is less than 0 DEG C, mold filling formula is stopped into low temperature, but if battery status receives extraneous factor
When there is abnormal continuation reduction temperature to -20 DEG C, it is necessary to detected by main control module 200 and enter low temperature off-mode guarantee battery
It is changed into off working state (low temperature shutdown).Normal charging condition can be gone successively to after battery status recovers to heat up more than 5 DEG C,
Battery temperature continues that mold filling formula protection battery should be stopped into high temperature after intensification exceeds high-temperature standard higher than 55 DEG C, if battery continues
66 DEG C are risen above, the guarantee battery that should shut down immediately is in off working state (high temperature shutdown).
Fig. 7 is the circuit diagram of the battery-end according to the embodiment of the present invention.As shown in fig. 7, by the BAT_TEMP pins of battery
I.e. battery temperature pin is connected to the ADC Sampling Interfaces of voltameter 100, by the positive pole VBAT of battery, negative pole VBAT_N pins point
The control end interface in Fig. 8 is not connected to, so as to protect situations such as battery terminal circuit prevents circuit over-voltage and over-current by voltage-stabiliser tube
The normal work of battery.
As shown in figure 8, the battery temperature interface of battery-end to be respectively connecting to the Sampling Interface and auxiliary at the end of voltameter 100
Detection interface, after the inside ADC of voltameter 100 sampling unloading temperature datas by I2C communication interfaces DBB_COM_I2C_SCL and
DBB_COM_I2C_SDA sends the main control module 200 shown in Fig. 9, and connects data sampling interrupt notification I/O interface,
Main control module 200 in GPIO162 to Fig. 9.As shown in fig. 6, the control signal after treatment is written back to by I2C communication interfaces
The end of voltameter 100, voltameter 100 receives the switch shape of direct control VBAT pins and VBAT_N pins after the control instruction
State, so that the control to battery charging state is realized, including：Stop charge control and restart charge control etc..
Terminal device battery charging state detection method according to embodiments of the present invention and detection means, are examined using voltameter
Survey terminal device battery temperature data, and by main control module hair temperature data is analyzed, according to battery charge when
Real-time high/low temperature temperature value controls charged state, according to the different condition that temperature data is met, control battery stops charging,
Restart charging and the shutdown of terminal device, and state of a control is adjusted according to the change of temperature data, and then ensure what is charged
Security.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means to combine specific features, structure, material or spy that the embodiment or example are described
Point is contained at least one embodiment of the invention or example.In this manual, to the schematic representation of above-mentioned term not
Necessarily refer to identical embodiment or example.And, the specific features of description, structure, material or feature can be any
One or more embodiments or example in combine in an appropriate manner.
Although embodiments of the invention have been shown and described above, it is to be understood that above-described embodiment is example
Property, it is impossible to limitation of the present invention is interpreted as, one of ordinary skill in the art is not departing from principle of the invention and objective
In the case of above-described embodiment can be changed within the scope of the invention, change, replace and modification.The scope of the present invention
By appended claims and its equivalent limit.
Claims (10)
1. a kind of terminal device battery charging state detection method, it is characterised in that comprise the following steps：
Step S1, detects whether to start the charging to terminal device, if it is obtains the charging of the battery of the terminal device
Status information；
Step S2, the temperature data of the battery is obtained using voltameter, and the temperature data is sent to master control mould in real time
Block is analyzed judgement；
Step S3, the main control module detects that the temperature data is located at when in preset security interval, judges that the battery is in
Normal charging condition；
The main control module detect the temperature data meet first it is pre-conditioned when, returned to the voltameter and stop control of charging
Signal processed, controls the battery to stop charging by the voltameter；
The main control module detect the temperature data meet second it is pre-conditioned when, send shutdown control to the terminal device
Signal, to control the terminal device to shut down；
The main control module detect the temperature data meet the 3rd it is pre-conditioned when, returned to the voltameter and restart to fill
Electric control signal, controls the battery to restart to charge by the voltameter.
2. terminal device battery charging state detection method as claimed in claim 1, it is characterised in that the preset security area
Between be 0 DEG C~50 DEG C.
3. terminal device battery charging state detection method as claimed in claim 1, it is characterised in that
Described first pre-conditioned is：The temperature of the battery is less than 0 DEG C, or equal to higher than 55 DEG C；
Described second pre-conditioned is：The temperature of the battery is less than -20 DEG C, or equal to higher than 66 DEG C；
Described 3rd pre-conditioned is：It is higher than 5 DEG C that the temperature of the battery is equal to, or less than 50 DEG C.
4. terminal device battery charging state detection method as claimed in claim 1, it is characterised in that in the step S1
In, the charging status information of the battery, including：Charger plug state information, cell voltage status information, battery temperature shape
State information and battery abnormal information.
5. the battery charging state detection means of a kind of terminal device, it is characterised in that including：Voltameter and main control module, its
In,
The battery temperature interface of the voltameter and terminal device, anode and GND are connected, for obtaining institute in real time
State the temperature data of battery；
The main control module is connected by I2C communication interfaces and the voltameter with the terminal device, for detecting whether
Start the charging to terminal device, if it is obtain the charging status information of the battery of the terminal device, and receive
From the temperature data of the voltameter, and judgement is analyzed to the temperature data,
When the main control module detection temperature data is located in preset security interval, judges that the battery is in and normally fill
Electricity condition；
The main control module detect the temperature data meet first it is pre-conditioned when, returned to the voltameter and stop control of charging
Signal processed, controls the battery to stop charging by the voltameter；
The main control module detect the temperature data meet second it is pre-conditioned when, send shutdown control to the terminal device
Signal, to control the terminal device to shut down；
The main control module detect the temperature data meet the 3rd it is pre-conditioned when, returned to the voltameter and restart to fill
Electric control signal, controls the battery to restart to charge by the voltameter.
6. terminal device battery charging state detection means as claimed in claim 5, it is characterised in that the preset security area
Between be 0 DEG C~50 DEG C；
Described first pre-conditioned is：The temperature of the battery is less than 0 DEG C, or equal to higher than 55 DEG C；
Described second pre-conditioned is：The temperature of the battery is less than -20 DEG C, or equal to higher than 66 DEG C；
Described 3rd pre-conditioned is：It is higher than 5 DEG C that the temperature of the battery is equal to, or less than 50 DEG C.
7. terminal device battery charging state detection means as claimed in claim 5, it is characterised in that the charging of the battery
Status information, including：Charger plug state information, cell voltage status information, battery temperature status information and battery exception
Information.
8. terminal device battery charging state detection means as claimed in claim 5, it is characterised in that the voltameter bag
Include：ADC change-over circuits, data storage circuitry, I2C interface circuits and the LDO control circuits being sequentially connected, wherein,
The ADC change-over circuits are used to for the temperature data obtained from terminal device to be converted to digital quantity by analog quantity；
The data storage circuitry is used to store the temperature data of digital quantity form；
The I2C interface circuits are bi-directionally connected with the I2C communication interfaces of the main control module, for being sent to the main control module
The control signal of temperature data and reception from the main control module of digital quantity form；
The LDO controls circuit is used for the control signal sent according to the I2C interface circuits, controls the battery to stop charging
Or restart to charge.
9. terminal device battery charging state detection means as claimed in claim 8, it is characterised in that the LDO controls electricity
Road controls the positive pole pin and negative pin of the battery according to stopping charging control signal and restarting charging signals.
10. terminal device battery charging state detection means as claimed in claim 5, it is characterised in that the terminal device
It is mobile phone or panel computer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100045.XA CN106849240A (en) | 2017-02-23 | 2017-02-23 | A kind of terminal device battery charging state detection method and detection means |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710100045.XA CN106849240A (en) | 2017-02-23 | 2017-02-23 | A kind of terminal device battery charging state detection method and detection means |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106849240A true CN106849240A (en) | 2017-06-13 |
Family
ID=59133391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710100045.XA Pending CN106849240A (en) | 2017-02-23 | 2017-02-23 | A kind of terminal device battery charging state detection method and detection means |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106849240A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221984A (en) * | 2017-07-06 | 2017-09-29 | 广东欧珀移动通信有限公司 | Temperature rise control method, device and storage medium when terminal device and its charging |
| CN107465232A (en) * | 2017-09-11 | 2017-12-12 | 惠州Tcl移动通信有限公司 | Mobile terminal and charging temperature control method and storage medium |
| CN107528367A (en) * | 2017-08-31 | 2017-12-29 | 上海爱优威软件开发有限公司 | A kind of charge protection method, charge protection device and charge protection system |
| CN108279384A (en) * | 2018-01-26 | 2018-07-13 | 北京小米移动软件有限公司 | Battery status information recording method and device |
| CN108845269A (en) * | 2018-07-09 | 2018-11-20 | 北京车和家信息技术有限公司 | Battery testing method and battery test system |
| CN111224437A (en) * | 2018-11-24 | 2020-06-02 | 深圳市三奇科技有限公司 | Battery control panel working method, battery control panel and unmanned aerial vehicle |
| CN112448448A (en) * | 2020-11-13 | 2021-03-05 | Oppo广东移动通信有限公司 | Charging control method and device, earphone, electronic equipment and readable storage medium |
| CN112600270A (en) * | 2020-12-15 | 2021-04-02 | 上海有个机器人有限公司 | Robot charging overheat protection method and device, terminal and storage medium |
| CN112684738A (en) * | 2020-12-14 | 2021-04-20 | 广州极飞科技有限公司 | Device control method, device, battery module, and nonvolatile storage medium |
| CN113422412A (en) * | 2021-07-01 | 2021-09-21 | 广州飞傲电子科技有限公司 | Temperature protection method and device, terminal equipment and readable storage medium |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100007310A1 (en) * | 2008-07-11 | 2010-01-14 | Sony Corporation | Battery pack, information processing apparatus, charge control system, charge control method by battery pack, and charge control method by charge control system |
| CN101826744A (en) * | 2010-05-05 | 2010-09-08 | 深圳市爱商实业有限公司 | Iron cell charging circuit |
| CN103299504A (en) * | 2010-12-28 | 2013-09-11 | 株式会社牧田 | Recharging device |
| CN104052028A (en) * | 2013-03-13 | 2014-09-17 | 中兴通讯股份有限公司 | Wireless data communication terminal and batter over-temperature detection and protection device thereof |
-
2017
- 2017-02-23 CN CN201710100045.XA patent/CN106849240A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100007310A1 (en) * | 2008-07-11 | 2010-01-14 | Sony Corporation | Battery pack, information processing apparatus, charge control system, charge control method by battery pack, and charge control method by charge control system |
| CN101826744A (en) * | 2010-05-05 | 2010-09-08 | 深圳市爱商实业有限公司 | Iron cell charging circuit |
| CN103299504A (en) * | 2010-12-28 | 2013-09-11 | 株式会社牧田 | Recharging device |
| CN104052028A (en) * | 2013-03-13 | 2014-09-17 | 中兴通讯股份有限公司 | Wireless data communication terminal and batter over-temperature detection and protection device thereof |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107221984B (en) * | 2017-07-06 | 2020-05-08 | Oppo广东移动通信有限公司 | Terminal device, temperature rise control method and device during charging of terminal device, and storage medium |
| CN107221984A (en) * | 2017-07-06 | 2017-09-29 | 广东欧珀移动通信有限公司 | Temperature rise control method, device and storage medium when terminal device and its charging |
| CN107528367A (en) * | 2017-08-31 | 2017-12-29 | 上海爱优威软件开发有限公司 | A kind of charge protection method, charge protection device and charge protection system |
| CN107465232B (en) * | 2017-09-11 | 2022-01-11 | 惠州Tcl移动通信有限公司 | Mobile terminal, charging temperature control method and storage medium |
| CN107465232A (en) * | 2017-09-11 | 2017-12-12 | 惠州Tcl移动通信有限公司 | Mobile terminal and charging temperature control method and storage medium |
| CN108279384A (en) * | 2018-01-26 | 2018-07-13 | 北京小米移动软件有限公司 | Battery status information recording method and device |
| CN108279384B (en) * | 2018-01-26 | 2022-03-25 | 北京小米移动软件有限公司 | Battery state information recording method and device |
| CN108845269A (en) * | 2018-07-09 | 2018-11-20 | 北京车和家信息技术有限公司 | Battery testing method and battery test system |
| CN111224437A (en) * | 2018-11-24 | 2020-06-02 | 深圳市三奇科技有限公司 | Battery control panel working method, battery control panel and unmanned aerial vehicle |
| CN112448448A (en) * | 2020-11-13 | 2021-03-05 | Oppo广东移动通信有限公司 | Charging control method and device, earphone, electronic equipment and readable storage medium |
| CN112448448B (en) * | 2020-11-13 | 2023-11-10 | Oppo广东移动通信有限公司 | Charging control method, device, earphone, electronic device and readable storage medium |
| CN112684738A (en) * | 2020-12-14 | 2021-04-20 | 广州极飞科技有限公司 | Device control method, device, battery module, and nonvolatile storage medium |
| CN112600270A (en) * | 2020-12-15 | 2021-04-02 | 上海有个机器人有限公司 | Robot charging overheat protection method and device, terminal and storage medium |
| CN113422412A (en) * | 2021-07-01 | 2021-09-21 | 广州飞傲电子科技有限公司 | Temperature protection method and device, terminal equipment and readable storage medium |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106849240A (en) | A kind of terminal device battery charging state detection method and detection means | |
| KR102335723B1 (en) | Terminal device and battery abnormality detection device | |
| CN103701163B (en) | Battery, the aircraft and battery control method with the battery | |
| US12081056B2 (en) | Controller and battery management methods | |
| US20110057605A1 (en) | Power Supply System with Power Saving Function and Power Supply Method Thereof | |
| CN102569931A (en) | Temperature detection system and method for preventing mobile phone battery from exploding | |
| CN105871004B (en) | Power type battery discharge prevention system and its guard method | |
| CN106150209B (en) | The electronic lock and its operation method powered by lock tongue | |
| CN103311965A (en) | Intelligent management device and method of charging and discharging of parallel-connected battery group | |
| CN203690968U (en) | Cell and aircraft with the same | |
| CN110768345A (en) | Battery electric quantity charging detection control device and charger | |
| CN104849536A (en) | Detection circuit for serial lithium battery pack protection chip | |
| CN206452160U (en) | A kind of terminal device battery charging state detection means | |
| CN202455122U (en) | Device for intelligently managing charge-discharge of battery group in parallel | |
| CN202014087U (en) | Lithium battery charging protection circuit for portable system | |
| CN104375021B (en) | Device and method for detecting lithium battery pack protection board | |
| CN202423511U (en) | Temperature detection system capable of preventing mobile phone battery from explosion | |
| CN205901343U (en) | Overdischarge early warning circuit and electronic equipment of battery | |
| CN110994780A (en) | Wireless emergency starting power supply control method | |
| CN109791179A (en) | Terminal device, adapter, cell safety monitoring method and monitoring system | |
| CN112234683A (en) | Charging control method of electronic equipment and electronic equipment | |
| CN104716716A (en) | Lithium-iron battery | |
| CN110071545A (en) | A kind of battery management method applied to crime scene investigation device | |
| CN105966257B (en) | A kind of method of the under-voltage charging of Vehicular dynamic battery | |
| CN208352475U (en) | A kind of lithium battery fireproof anti-explosion 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170613 |