CN110266077A - Charging equipment and battery management method - Google Patents
Charging equipment and battery management method Download PDFInfo
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- CN110266077A CN110266077A CN201910624380.9A CN201910624380A CN110266077A CN 110266077 A CN110266077 A CN 110266077A CN 201910624380 A CN201910624380 A CN 201910624380A CN 110266077 A CN110266077 A CN 110266077A
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- pressure value
- internal pressure
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- charging
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- 238000007726 management method Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 claims abstract description 44
- 238000001514 detection method Methods 0.000 claims abstract description 40
- 230000005611 electricity Effects 0.000 claims description 41
- 238000004891 communication Methods 0.000 description 10
- 230000001360 synchronised effect Effects 0.000 description 10
- 230000008569 process Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 4
- 239000002360 explosive Substances 0.000 description 4
- 230000009125 negative feedback regulation Effects 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 241000208340 Araliaceae Species 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 2
- 235000003140 Panax quinquefolius Nutrition 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 235000008434 ginseng Nutrition 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 239000008207 working material Substances 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003571 electronic cigarette Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000012163 sequencing technique Methods 0.000 description 1
Classifications
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- H02J7/0022—
-
- 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
- H02J7/007—Regulation of charging or discharging current or voltage
Abstract
The disclosure discloses a kind of charging equipment and battery management method.This method comprises: obtaining the internal pressure value of the first battery unit detected from the detection module of charging equipment and the internal pressure value of the second battery unit when the first battery unit of charging equipment and the second battery unit are that charging equipment is powered；And the internal pressure value according to the first battery unit, the output electric current and/or output voltage of the first battery unit are adjusted, and according to the internal pressure value of the second battery unit, adjust the output electric current and/or output voltage of the second battery unit.Wherein, the first battery unit and the second battery units in parallel.This method can independently, accurately adjust the pressure value that double cell unit is respectively born, the safety when reliability of battery unit is effectively promoted and using charging equipment.
Description
Technical field
This disclosure relates to field of battery management, in particular to a kind of charging equipment and battery management method.
Background technique
With the continuous improvement of people's living standards, the mobile electronic devices such as smart phone gradually become in daily life
Necessity.People, it is desirable to which mobile phone can have more powerful cruising ability, can once filled when using mobile phone
Guarantee to use enough durations after electricity, to reduce the worry of frequent charge, while without worrying in Emergency time because of electricity
It the obstacles such as can not communicate caused by deficiency.
For the continuation of the journey for solving the problems, such as cellular phone power supplies, the design scheme of Double-battery powered is generallyd use at present.However as hand
The frequent use of machine, double cell repeatedly carry out charging and discharging process, therefore the pressure value of inside battery structure will be moved
The variation of state.If the pressure value that battery is born is excessively high, it is likely to result in the dangerous situation such as burning or explosion, thus
The serious security performance for destroying mobile phone.
Above- mentioned information are only used for reinforcing the understanding to the background of the disclosure, therefore it disclosed in the background technology part
It may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
In view of this, the disclosure provides a kind of charging equipment and battery management method.
Other characteristics and advantages of the disclosure will be apparent from by the following detailed description, or partially by the disclosure
Practice and acquistion.
According to the one side of the disclosure, a kind of charging equipment is provided, comprising: the first battery unit in parallel and the second electricity
Pool unit；Detection module, for detecting the internal pressure value of the first battery unit and the internal pressure of the second battery unit respectively
Value；And control module, it is electrically connected with detection module, for being charging equipment in the first battery unit and the second battery unit
When power supply, according to the internal pressure value of the first battery unit obtained from detection module, the output electricity of the first battery unit is adjusted
Stream and/or output voltage, and according to the internal pressure value of the second battery unit obtained from detection module, adjust the second battery list
The output electric current and/or output voltage of member.
According to another aspect of the present disclosure, a kind of battery management method is provided, is applied in charging equipment, comprising:
When the first battery unit and the second battery unit of charging equipment are that charging equipment is powered, the inspection from charging equipment is obtained
Survey the internal pressure value of the first battery unit of module detection and the internal pressure value of the second battery unit；And according to the first electricity
The internal pressure value of pool unit adjusts the output electric current and/or output voltage of the first battery unit, and according to the second battery unit
Internal pressure value, adjust the second battery unit output electric current and/or output voltage；Wherein, the first battery unit and second
Battery units in parallel.
It, can be according to the internal pressure value of the first battery unit according to the battery management method that disclosure embodiment provides
And second the internal pressure value of battery unit adjust separately the output electric current of the first battery unit and the second battery unit and/or defeated
Voltage out, thus pressure value independent, that accurately adjustment double cell unit is respectively born, be effectively promoted battery unit can
Safety when by property and using charging equipment.
It should be understood that the above general description and the following detailed description are merely exemplary, this can not be limited
It is open.
Detailed description of the invention
Its example embodiment is described in detail by referring to accompanying drawing, above and other target, feature and the advantage of the disclosure will
It becomes more fully apparent.
Fig. 1 is a kind of flow chart of battery management method shown according to an illustrative embodiments.
Fig. 2 is the flow chart of another battery management method shown according to an illustrative embodiments.
Fig. 3 is the flow chart according to another battery management method shown in an illustrative embodiments.
Fig. 4 is the flow chart according to another battery management method shown in an illustrative embodiments.
Fig. 5 is the flow chart according to another battery management method shown in an illustrative embodiments.
Fig. 6 is the flow chart according to another battery management method shown in an illustrative embodiments.
Fig. 7 is a kind of block diagram of charging equipment shown according to an illustrative embodiments.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein；On the contrary, thesing embodiments are provided so that the disclosure will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Attached drawing is only the disclosure
Schematic illustrations, be not necessarily drawn to scale.Identical appended drawing reference indicates same or similar part in figure, thus
Repetition thereof will be omitted.
In addition, described feature, structure or characteristic can be incorporated in one or more implementations in any suitable manner
In mode.In the following description, many details are provided to provide and fully understand to embodiment of the present disclosure.So
And it will be appreciated by persons skilled in the art that one in the specific detail can be omitted with technical solution of the disclosure
Or more, or can be using other methods, constituent element, device, step etc..In other cases, it is not shown in detail or describes
Known features, method, apparatus, realization or operation are to avoid a presumptuous guest usurps the role of the host and all aspects of this disclosure is made to thicken.
In the disclosure unless specifically defined or limited otherwise, the terms such as term " connected ", " connection " should do broad sense reason
Solution, for example, it may be electrical connection, is also possible to communicate to connect；It can be directly connected, be also possible to be indirectly connected.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the disclosure can be understood as the case may be.
In addition, in the description of the disclosure, the meaning of " plurality " is at least two, such as two, three etc., unless otherwise
Clear specific restriction."and/or", describes the incidence relation of affiliated partner, indicates may exist three kinds of relationships, for example, A and/or
B can indicate individualism A, individualism B and exist simultaneously tri- kinds of situations of A and B.Symbol "/" typicallys represent forward-backward correlation pair
As if a kind of relationship of "or".Term " first ", " second " are used for description purposes only, and are not understood to indicate or imply opposite
Importance or the quantity for implicitly indicating indicated technical characteristic.Define " first " as a result, the feature of " second " can be bright
Show or implicitly include one or more of the features.
Fig. 7 is a kind of block diagram of charging equipment shown according to an illustrative embodiments.
Charging equipment 70 for example can be terminal or communication terminal, and the terminal or communication terminal include but is not limited to be set
It is set to and is connected via Wireline, such as via Public Switched Telephone Network (public switched telephone
Network, PSTN), digital subscriber line (digital subscriber line, DSL), digital cable, direct cable connect
It connects and/or another data connection/network and/or via for example, for cellular network, WLAN (wireless
Local area network, WLAN), such as hand-held digital video broadcast (digital video broadcasting
Handheld, DVB-H) network digital TV network, satellite network, AM/FM amplitude modulation/frequency modulation (amplitude modulation-
Frequency modulation, AM-FM) broadcasting transmitter and/or another communication terminal wireless interface reception/transmission
The device of signal of communication.It is configured to that " wireless communication terminal ", " nothing can be referred to as by the communication terminal of radio interface communication
Line terminal " and/or " mobile terminal ".The example of mobile terminal includes, but are not limited to satellite or cellular phone；Bee can be combined
PCS Personal Communications System (the personal of nest radio telephone and data processing, fax and communication ability
Communication system, PCS) terminal；It may include radio telephone, pager, the Internet/intranet access, Web
Browser, memo pad, calendar and/or global positioning system (global positioning system, GPS) receiver
Personal digital assistant (Personal Digital Assistant, PDA)；And conventional laptop and/or palmtop receiver
Or other electronic devices including radiotelephone transceiver.In addition, the terminal can also include but is not limited to such as e-book
Reader, intelligent wearable device, mobile power source (such as charger baby, trip is filled), electronic cigarette, wireless mouse, Wireless Keyboard, wireless ear
Machine, Baffle Box of Bluetooth etc. have the chargeable electronic equipment of charge function.
With reference to Fig. 7, charging equipment 70 includes: the first battery unit 702, the second battery unit 704, detection module 706
And control module 708.
Wherein the first battery unit 702 is in parallel with the second battery unit 704.
Detection module 706 is used to detect the internal pressure value and second battery unit 704 of the first battery unit 702 respectively
Internal pressure value.
Lithium ion battery is currently used to carry out cycle charging and power supply as the charging equipments such as smart phone.Due to lithium
There are aggressive chemistry working medium in ion battery cell, lead to not in cell internal structure arrange pressure sensor into
The direct detection of row inner pressure of battery.Therefore the disclosure use indirect method, detection module 706 by detection battery unit (702,
704) value of other physical quantitys, and battery unit is obtained according to the conversion relation between other physical quantitys and pressure indirectly
The internal pressure value of (702,704): for example can be by detecting electricity in battery unit (702,704) outer surface layout thickness sensor
The thickness of pool unit (702,704), detection module 706 know battery unit according to the cell thickness that thickness transducer detects
The relative size of (702,704) internal pressure value；Or using a part of film of battery unit (702,704) shell as based on electricity
Element perhaps in the sensor circuit based on inductance, detection module 706 can detecte internal in battery unit (702,704)
Capacitance caused by film deformation quantity under pressure or inductance value variable quantity, and then according to inductively or capacitively value reverse push export electricity
The internal pressure value of pool unit.The disclosure is not limited with above-mentioned indirect method.
It is formed with the gas that the chemical reaction process of battery unit charge and discharge generates in cell internal sealing space
Air pressure, the as internal pressure of battery unit.The internal pressure value of battery unit mainly with inside battery working material, battery
The factors such as construction, manufacturing process and input/output power are related.
Control module 708 can for example be realized by micro-control unit (Micro Control Unit, MCU).Control mould
Block 708 is electrically connected with detection module 706, for being charging equipment 70 in the first battery unit 702 and the second battery unit 704
When power supply, according to the internal pressure value of the first battery unit 702 obtained from detection module 706, the first battery unit 702 is adjusted
Output electric current and/or output voltage, and according to the internal pressure value of the second battery unit 704 obtained from detection module 706,
Adjust the output electric current and/or output voltage of the second battery unit 704.
Control module 708 dynamically adjusts the output electric current for influencing battery unit (702,704) output power and/or output electricity
Parameters, the internal pressure values of battery unit (702,704) such as pressure can change therewith.Control module 708 carries out dynamic adjustment
Control model negative-feedback regu- lation for example can be used, the disclosure is not limited.
Hold it is above-mentioned, when using film deformation indirect method determine supplying cell unit (702,704) shell have deformation tendency
When, control module 708 can timely respond to and adjust the output electric current and/or output voltage of battery unit (702,704), or use
Other urgent regulation and control schemes are quickly to inhibit shell deformation.
As shown in fig. 7, control module 708 for example can be by controlling charge integrated circuit 712 in charging equipment 70
(Charge IC) executes all adjustable strategies of its determination, i.e., adjusts the first battery unit 702 by charge integrated circuit 712
And/or second battery unit 704 output voltage and/or output electric current.Charge integrated circuit 712 respectively with charging interface 710,
The circuit to be powered 716 of battery unit (702,704) and charging equipment 70 electrical connection, in battery unit (702,704)
It is adjusted according to the control of control module 708 when powering to charging equipment 70 and exports electric current and/or output voltage.
As long as one of specific Adjustment principle be certain battery unit (702,704) internal pressure value and external pressure value it
Difference is more than certain preset threshold, and control module 708 carries out corresponding parameter inhibition to the battery unit (702,704).For example, ginseng
Examine Fig. 7, it is assumed that the difference of the internal pressure value of the first battery unit 702 and external pressure value is greater than the first secure threshold, shows the
One battery unit 702 is in explosive alert status, therefore control module 708 need to control charge integrated circuit 712 and directly disconnect it
The power supply line of circuit 716 to be powered into charging equipment 70, so that the output parameter of the first battery unit 702 is instantaneously reduced to
Zero；And the internal pressure value of the second battery unit 704 of hypothesis and the difference of external pressure value less than the first secure threshold and are also less than
First pressure threshold value shows that the second battery unit 704 is in the safe condition of normal power supply, therefore control module 708 can control and fill
Be electrically integrated circuit 712 and increase its output parameter, with guarantee in the case where the first 702 open circuit of battery unit battery pack (702,
704) enough output powers still power to circuit 716 to be powered.It should be noted that increase after output electric current and/or
Tolerance of the output voltage no more than battery unit (702,704).And if the internal pressure value of the second battery unit 704 and outer
The difference of portion's pressure value is less than the first secure threshold but is greater than first pressure threshold value, then reduces the output electricity of the second battery unit 704
Pressure and/or output electric current.
In some embodiments, control module 708 be used for the first battery unit 702 and the second battery unit 704 for
When charging equipment 70 is powered, the external pressure value of the first battery unit 702 is obtained respectively and the external of the second battery unit 704 is pressed
Force value, wherein the external pressure value of battery unit (702,704) includes: by being built in the first battery unit 702 and the second electricity
The external pressure value of the pressure sensor detection of pool unit 704, or the atmospheric pressure value in the environment that detects, for example,
Charging equipment 70 or 702/ second battery unit 704 of the first battery unit are applied in first when being vibrated or being hit
The atmospheric pressure value of 70 external environment of pressure value and/or charging equipment of 702/ second battery unit of battery unit, 704 outer surface,
The disclosure is not limited；Further, control module 708 judges the internal pressure value of the first battery unit 702 and outer respectively
Whether the difference of the internal pressure value and external pressure value of the difference of portion's pressure value and the second battery unit 704 is greater than preset first peace
Full threshold value:
When in the internal pressure value of the first battery unit 702 and the difference of external pressure value and/or the second battery unit 704
When portion's pressure value and the difference of external pressure value are greater than the first secure threshold, control module 708 disconnect the first battery unit 702 and/
Or second battery unit 704 power supply line；
When in the internal pressure value of the first battery unit 702 and the difference of external pressure value and/or the second battery unit 704
When portion's pressure value and the difference of external pressure value are less than the first secure threshold, control module 708 judges the interior of the first battery unit 702
Whether the difference of the internal pressure value of the difference and/or the second battery unit 704 of portion's pressure value and external pressure value and external pressure value
Less than preset first pressure threshold value；
When in the internal pressure value of the first battery unit 702 and the difference of external pressure value and/or the second battery unit 704
When portion's pressure value and the difference of external pressure value are greater than first pressure threshold value, control module 708 reduces the defeated of the first battery unit 702
Electric current and/or output voltage out, and/or reduce the output electric current and/or output voltage of the second battery unit 704；
When in the internal pressure value of the first battery unit 702 and the difference of external pressure value and/or the second battery unit 704
When portion's pressure value and the difference of external pressure value are less than first pressure threshold value, control module 708 increases the defeated of the first battery unit 702
Electric current and/or output voltage out, and/or increase the output electric current and/or output voltage of the second battery unit 704.
The adjustment that above-mentioned control module 706 executes 702/ second battery unit 704 of the first battery unit may each comprise pair
First battery unit 702 is adjusted with the synchronous same width of the output voltage of the second battery unit 704 and/or output electric current, is synchronized not
It is adjusted with width, may also comprise the output voltage to any battery unit (702 or 704) and/or exports the independent tune of electric current
It is whole, internal pressure value and external pressure value when control module 708 should be according to each battery unit (702,704) actual discharge it
The size of difference determines adjustment decision.
Above-mentioned control module 708 can also be according to the historical volatility data of each battery unit (702,704) internal pressure value
The output quantity for configuring each battery unit (702,704), including to the defeated of the first battery unit 702 and the second battery unit 704
Voltage and/or the same configuration for exporting electric current and output voltage and/or output to any battery unit (702,704) out
The different configurations of electric current, specifically also should be by control module 708 according to the interior of each battery unit (702,704) actual discharge process
Portion's pressure history data determines configuration decisions.For example, with reference to Fig. 7, it is assumed that first number shows first less than the first frequency threshold value
702 internal pressure value of battery unit fluctuates in a relatively stable range, therefore the integrated electricity of the controllable charging of control module 708
Road 712 carries out the output electric current of the first battery unit 702 and/or output voltage by the upper limit of biggish second output quantity threshold value
Configuration；And assume that second number is greater than the first frequency threshold value, shows that the fluctuation of 704 internal pressure value of the second battery unit is more acute
Strong, there are enough peak values or cusps in historical data, then control module 708 need to control charge integrated circuit 712 for second
The output electric current and/or output voltage of battery unit 704 are configured using lesser first output quantity threshold value as the upper limit.It needs
Bright, peak value or cusp are higher, and preset first output quantity threshold value is accordingly smaller；Peak value or cusp are lower, and preset first
Output quantity threshold value is accordingly bigger, but the same tolerance no more than battery unit (702,704).
In some embodiments, control module 708 be used for the first battery unit 702 and the second battery unit 704 for
When charging equipment 70 is powered, the internal pressure value of the first battery unit 702 and the inside pressure of the second battery unit 704 are judged respectively
Whether force value is greater than preset second secure threshold:
When the internal pressure value of the first battery unit 702 and/or the internal pressure value of the second battery unit 704 are less than second
When secure threshold, control module 708 judge the first battery unit 702 internal pressure value and/or the second battery unit 704 it is interior
Whether portion's pressure value is less than preset second pressure threshold value；
When the internal pressure value of the first battery unit 702 and/or the internal pressure value of the second battery unit 704 are greater than second
When pressure threshold, control module 708 reduces the output electric current and/or output voltage of the first battery unit 702, and/or reduces by the
The output electric current and/or output voltage of two battery units 704；
When the internal pressure value of the first battery unit 702 and/or the internal pressure value of the second battery unit 704 are less than second
When pressure threshold, control module 708 increases the output electric current and/or output voltage of the first battery unit 702, and/or increases by the
The output electric current and/or output voltage of two battery units 704；
When the internal pressure value of the first battery unit 702 and/or the internal pressure value of the second battery unit 704 are greater than second
When secure threshold, the internal pressure value that control module 708 detects the first battery unit 702 in a preset time respectively is greater than the
First number of two secure thresholds and the internal pressure value of the second battery unit 704 are greater than second number of the second secure threshold；
When first number and/or second number are greater than preset first frequency threshold value, control module 708 is by the first battery
The output electric current and/or output voltage setting of unit 702 are under preset first output quantity threshold value, and/or by the second battery
The output electric current and/or output voltage setting of unit 704 are under the first output quantity threshold value；
When first several and/or second number is less than the first frequency threshold value, control module 708 is by the first battery unit
702 output electric current and/or output voltage setting is under preset second output quantity threshold value, and/or by the second battery unit
704 output electric current and/or output voltage setting is under the second output quantity threshold value；
Wherein, the first output quantity threshold value is lower than the second output quantity threshold value.
The adjustment that above-mentioned control module 708 executes 702/ second battery unit 704 of the first battery unit may each comprise pair
First battery unit 702 is adjusted with the synchronous same width of the output voltage of the second battery unit 704 and/or output electric current, is synchronized not
It is adjusted with width, may also comprise the output voltage to any battery unit (702 or 704) and/or exports the independent tune of electric current
Whole, internal pressure value size when control module 708 should be according to each battery unit (702,704) actual discharge determines that adjustment is determined
Plan.
In addition, control module 708 can be also used for when the first battery unit 702 and the second battery unit 704 charge, root
According to the internal pressure value of the first battery unit 702, the charging current and/or charging voltage and root of the first battery unit 702 of adjustment
According to the internal pressure value of the second battery unit 704, the charging current and/or charging voltage of the second battery unit 704 are adjusted.
As above-mentioned, control module 708 influences the charging current of battery unit (702,704) input power by dynamic adjustment
And/or the parameters such as charging voltage, the internal pressure value of battery unit (702,704) can also change therewith.Control module 708
Negative-feedback regu- lation for example can be used in the control model of dynamic adjustment, and the disclosure is not limited.
With reference to Fig. 7, control module 708 can for example be adjusted by control charge integrated circuit 712 to battery unit
The charging current and/or charging voltage of (702,704).
As long as one of specific Adjustment principle be certain battery unit (702,704) internal pressure value and external pressure value it
Difference is more than certain preset threshold, and control module 708 carries out corresponding parameter adjustment to the battery unit (702,704).For example, ginseng
Examine Fig. 7, it is assumed that the difference of the internal pressure value of the first battery unit 702 and external pressure value is greater than third secure threshold, shows the
One battery unit 702 is in explosive alert status, thus control module 708 need to control charge integrated circuit 712 directly disconnect to
The charging circuit of first battery unit 702, so that it, which inputs parameter, is instantaneously reduced to zero；And assume the interior of the second battery unit 704
Portion's pressure value and the difference of external pressure value are less than third secure threshold and also less than third pressure threshold, show the second battery unit
704 in the safe condition charged normal, therefore the input that control module 708 can control charge integrated circuit 712 to increase to it is joined
Number, to guarantee still to there are enough input powers to fill to battery pack (702,704) in the case where the first 702 open circuit of battery unit
Electricity.It should be noted that increase after charging current and/or charging voltage no more than battery unit tolerance.
As shown in fig. 7, the above-mentioned charging process to charging equipment 70 be be illustrated by taking wired charging as an example, however
The disclosure is not limited thereto, and related battery unit (702,704) charging is also possible to through wireless receiving circuit
The transmitting coil of receiving coil and a wireless charging device is wirelessly connected and the wireless charging of progress.When charging equipment 70 passes through
When charging interface 710 carries out wired charging, charging interface 710 for example can be 2.0 interface of USB, Micro USB interface, USB
TYPE-C interface, lightning interface or other any type of parallel or serial ports that can be used in charging.
In some embodiments, control module 708 is used to charge in the first battery unit 702 and the second battery unit 704
When, the external pressure value of the first battery unit 702 and the external pressure value of the second battery unit 704 are obtained respectively；Judge respectively
The internal pressure value of the internal pressure value of first battery unit 702 and the difference of external pressure value and the second battery unit 704 and outer
Whether the difference of portion's pressure value is greater than preset third secure threshold:
When in the internal pressure value of the first battery unit 702 and the difference of external pressure value and/or the second battery unit 704
When portion's pressure value and the difference of external pressure value are greater than third secure threshold, control module 708 disconnect the first battery unit 702 and/
Or second battery unit 704 charging circuit；
When in the internal pressure value of the first battery unit 702 and the difference of external pressure value and/or the second battery unit 704
When portion's pressure value and the difference of external pressure value are less than third secure threshold, control module 708 judges the interior of the first battery unit 702
Whether the difference of the internal pressure value of the difference and/or the second battery unit 704 of portion's pressure value and external pressure value and external pressure value
Less than preset third pressure threshold；
When in the internal pressure value of the first battery unit 702 and the difference of external pressure value and/or the second battery unit 704
When portion's pressure value and the difference of external pressure value are greater than third pressure threshold, control module 708 reduces filling for the first battery unit 702
Electric current and/or charging voltage, and/or reduce the charging current and/or charging voltage of the second battery unit 704；
When in the internal pressure value of the first battery unit 702 and the difference of external pressure value and/or the second battery unit 704
When portion's pressure value and the difference of external pressure value are less than third pressure threshold, control module 708 increases filling for the first battery unit 702
Electric current and/or charging voltage, and/or increase the charging current and/or charging voltage of the second battery unit 704.
The adjustment that above-mentioned control module 708 executes 702/ second battery unit 704 of the first battery unit may each comprise pair
First battery unit 702 is adjusted with the synchronous same width of the charging voltage of the second battery unit 704 and/or charging current, is synchronized not
It is adjusted with width, may also comprise the independent tune of the charging voltage and/or charging current to any battery unit (702 or 704)
It is whole, control module 708 should according to each battery unit (702,704) actually charge when internal pressure value and external pressure value it
The size of difference determines adjustment decision.
Above-mentioned control module 708 can also be according to the historical volatility data of each battery unit (702,704) internal pressure value
The charge volume for configuring each battery unit (702,704), including filling to the first battery unit 702 and the second battery unit 704
The same configuration of piezoelectric voltage and/or charging current and charging voltage and/or charging to any battery unit (702,704)
The different configurations of electric current, specifically also should be by control module 708 according to the interior of each battery unit (702,704) practical charging process
Portion's pressure history data determines configuration decisions.For example, with reference to Fig. 7, it is assumed that first number shows first less than the second frequency threshold value
702 internal pressure value of battery unit fluctuates in a relatively stable range, therefore the integrated electricity of the controllable charging of control module 708
Road 712 carries out the charging current of the first battery unit 702 and/or charging voltage by the upper limit of biggish second charge volume threshold value
Configuration；And assume that second number is greater than the second frequency threshold value, shows that the fluctuation of 704 internal pressure value of the second battery unit is more acute
Strong, there are enough peak values or cusps in historical data, then control module 708 need to control charge integrated circuit 712 for second
The charging current and/or charging voltage of battery unit 704 are configured using lesser first charge volume threshold value as the upper limit.It needs
Bright, peak value or cusp are higher, and preset first charge volume threshold value is accordingly smaller；Peak value or cusp are lower, and preset first
Charge volume threshold value is accordingly bigger, but the same tolerance no more than battery unit (702,704).
In some embodiments, control module 708 is used to charge in the first battery unit 702 and the second battery unit 704
When, it is pre- whether the internal pressure value of the internal pressure value and the second battery unit 704 that judge the first battery unit 702 respectively is greater than
If the 4th secure threshold；
When the internal pressure value of the first battery unit 702 and/or the internal pressure value of the second battery unit 704 are less than the 4th
When secure threshold, control module 708 judge the first battery unit 702 internal pressure value and/or the second battery unit 704 it is interior
Whether portion's pressure value is less than preset 4th pressure threshold；
When the internal pressure value of the first battery unit 702 and/or the internal pressure value of the second battery unit 704 are greater than the 4th
When pressure threshold, control module 708 reduces the charging current and/or charging voltage of the first battery unit 702, and/or reduces by the
The charging current and/or charging voltage of two battery units 704；
When the internal pressure value of the first battery unit 702 and/or the internal pressure value of the second battery unit 704 are less than the 4th
When pressure threshold, control module 708 increases the charging current and/or charging voltage of the first battery unit 702, and/or increases by the
The charging current and/or charging voltage of two battery units 704；
When the internal pressure value of the first battery unit 702 and/or the internal pressure value of the second battery unit 704 are greater than the 4th
When secure threshold, the internal pressure value that control module 708 detects the first battery unit 702 in a preset time respectively is greater than the
First number of four secure thresholds and the internal pressure value of the second battery unit 704 are greater than second number of the 4th secure threshold；
When first number and/or second number are greater than preset second frequency threshold value, control module 708 is by the first battery
The charging current and/or charging voltage of unit 702 are arranged under preset first charge volume threshold value, and/or by the second battery
The charging current and/or charging voltage of unit 704 are arranged under the first charge volume threshold value；
When first several and/or second number is less than the second frequency threshold value, control module 708 is by the first battery unit
702 charging current and/or charging voltage are arranged under preset second charge volume threshold value, and/or by the second battery unit
704 charging current and/or charging voltage is arranged under the second charge volume threshold value；
Wherein, the first charge volume threshold value is lower than the second charge volume threshold value.
The adjustment that above-mentioned control module 708 executes 702/ second battery unit 704 of the first battery unit may each comprise pair
First battery unit 702 is adjusted with the synchronous same width of the charging voltage of the second battery unit 704 and/or charging current, is synchronized not
It is adjusted with width, may also comprise the independent tune of the charging voltage and/or charging current to any battery unit (702 or 704)
Whole, internal pressure value size when control module 708 should actually charge according to each battery unit (702,704) determines that adjustment is determined
Plan.
According to the charging equipment that disclosure embodiment provides, can according to the internal pressure value of the first battery unit and
The internal pressure value of second battery unit adjusts separately output electric current and/or the output of the first battery unit and the second battery unit
Voltage, so that pressure value independent, that accurately adjustment double cell unit is respectively born, is effectively promoted the reliable of battery unit
Property and safety when using charging equipment.
In addition, the charging equipment provided according to other embodiments of the disclosure, additionally it is possible to according to the first battery unit
The internal pressure value of internal pressure value and the second battery unit adjusts separately the charging of the first battery unit and the second battery unit
Electric current and/or charging voltage, safety when further promoting the reliability of battery unit and using charging equipment.
It should be noted that above-mentioned block diagram shown in the drawings is functional entity, not necessarily must with physically or logically
Independent entity is corresponding.Can realize these functional entitys using software form, or in one or more hardware modules or
These functional entitys are realized in integrated circuit, or are realized in heterogeneous networks and/or processor device and/or microcontroller device
These functional entitys.
Following is embodiments of the present disclosure, be can be applied in embodiment of the present disclosure.For method of disclosure reality
Undisclosed details in example is applied, embodiment of the present disclosure is please referred to.
Fig. 1 is a kind of flow chart of battery management method shown according to an illustrative embodiments.Side as shown in Figure 1
Method, such as can be applied to the usage scenario of the charging equipments such as smart phone, which includes the first electricity in parallel
Pool unit and the second battery unit and internal pressure value for detecting the first battery unit respectively and the second battery unit
The detection module of internal pressure value.
With reference to Fig. 1, battery management method 10 includes:
It in step s 102, is charging equipment power supply in the first battery unit of charging equipment and the second battery unit
When, it obtains out of, the first battery unit that the detection module of charging equipment detects internal pressure value and the second battery unit
Portion's pressure value.
Current smart phone generally uses lithium ion battery to carry out cycle charging and power supply.Due in lithium ionic cell unit
There are aggressive chemistry working medium, lead to not arrange that pressure sensor carries out the straight of inner pressure of battery in cell internal structure
Connect detection.Therefore the disclosure uses indirect method, by detecting the value of the other physical quantitys of battery unit, according to other physical quantitys and pressure
Conversion relation between power obtains the internal pressure value of battery unit indirectly: for example can be by arranging in battery unit outer surface
Thickness transducer detects the thickness of battery unit, knows the internal pressure value of battery unit according to the cell thickness that it is detected
Relative size；Or using a part of film of battery unit case as the member in the sensor circuit based on capacitor or based on inductance
Part can detecte the capacitance caused by the film deformation quantity under cell internal pressure or inductance value variable quantity, in turn
According to the internal pressure value of inductively or capacitively value reverse push export battery unit.The disclosure is not limited with above-mentioned indirect method.
In step S104, according to the internal pressure value of the first battery unit, the output electric current of the first battery unit is adjusted
And/or output voltage, and according to the internal pressure value of the second battery unit, adjust the second battery unit output electric current and/or
Output voltage.
It is formed with the gas that the chemical reaction process of battery unit charge and discharge generates in cell internal sealing space
Air pressure, the as internal pressure of battery unit.The internal pressure value of battery unit mainly with inside battery working material, battery
The factors such as construction, manufacturing process and input/output power are related.As above-mentioned, being adjusted by dynamic influences cell output
The parameters such as electric current and/or output voltage are exported, the internal pressure value of battery unit can change therewith.The control of dynamic adjustment
Negative-feedback regu- lation for example can be used in mode, and the disclosure is not limited.
Hold it is above-mentioned, when using film deformation indirect method determine supplying cell unit shell have deformation tendency when, can be timely
The output electric current and/or output voltage of battery unit are responded and adjusted, or uses other urgent regulation and control schemes quickly to inhibit shell
The bodily form becomes.
It, can be according to the internal pressure value of the first battery unit according to the battery management method that disclosure embodiment provides
And second the internal pressure value of battery unit adjust separately the output electric current of the first battery unit and the second battery unit and/or defeated
Voltage out, thus pressure value independent, that accurately adjustment double cell unit is respectively born, be effectively promoted battery unit can
Safety when by property and using charging equipment.
It will be clearly understood that the present disclosure describes how to form and use particular example, but the principle of the disclosure is not limited to
These exemplary any details.On the contrary, the introduction based on disclosure disclosure, these principles can be applied to many other
Embodiment.
Fig. 2 is the flow chart of another battery management method shown according to an illustrative embodiments.As shown in Figure 2
Method similarly, such as can be applied to the usage scenario of the charging equipments such as smart phone, which includes parallel connection
The first battery unit and the second battery unit and internal pressure value for detecting the first battery unit respectively and the second electricity
The detection module of the internal pressure value of pool unit.With method 10 shown in FIG. 1 the difference is that, method 20 shown in Fig. 2 into
One step provides the internal pressure value according to the first battery unit, adjusts the output electric current and/or output electricity of the first battery unit
Pressure, and according to the internal pressure value of the second battery unit, adjust export electric current and/or output voltage one of the second battery unit
A embodiment.
With reference to Fig. 2, battery management method 20 includes:
In step S202, when the first battery unit and the second battery unit are that charging equipment is powered, obtain from inspection
Survey the internal pressure value of the first battery unit of module detection and the internal pressure value of the second battery unit.
In step S204, the external pressure value of the first battery unit and the external pressure of the second battery unit are obtained respectively
Value.
The external pressure value of battery unit includes: to be passed by being built in the pressure of the first battery unit and the second battery unit
The external pressure value of sensor detection, or the atmospheric pressure value in the environment that detects, for example, charging equipment or the first electricity
Pool unit/second battery unit is applied in the first battery unit/second battery unit outer surface when being vibrated or being hit
Pressure value and/or charging equipment external environment atmospheric pressure value.The disclosure is not limited.
In step S206, the internal pressure value of the first battery unit and the difference of external pressure value and the second electricity are judged respectively
Whether the internal pressure value of pool unit and the difference of external pressure value are greater than preset first secure threshold.
In step S208, when the internal pressure value of the first battery unit and the difference of external pressure value and/or the second battery
When the internal pressure value of unit and the difference of external pressure value are greater than the first secure threshold, the first battery unit and/or second is disconnected
The power supply line of battery unit.
In step S210, when the internal pressure value of the first battery unit and the difference of external pressure value and/or the second battery
When the internal pressure value of unit and the difference of external pressure value are less than the first secure threshold, the internal pressure of the first battery unit is judged
It is preset whether the internal pressure value of the difference and/or the second battery unit of value and external pressure value and the difference of external pressure value are less than
First pressure threshold value.
In step S212, when the internal pressure value of the first battery unit and the difference of external pressure value and/or the second battery
When the internal pressure value of unit and the difference of external pressure value are greater than first pressure threshold value, the output electric current of the first battery unit is reduced
And/or output voltage, and/or reduce the output electric current and/or output voltage of the second battery unit.
In step S214, when the internal pressure value of the first battery unit and the difference of external pressure value and/or the second battery
When the internal pressure value of unit and the difference of external pressure value are less than first pressure threshold value, increase the output electric current of the first battery unit
And/or output voltage, and/or increase the output electric current and/or output voltage of the second battery unit.
In above-mentioned steps S208-S214, the adjustment that the first battery unit/second battery unit executes may each comprise pair
The output voltage and/or output electric current of first battery unit and the second battery unit synchronize same width adjustment, synchronize different width tune
It is whole, it may also comprise to the output voltage of any battery unit and/or individually adjusting for output electric current, it should be according to each battery
The size of the difference of internal pressure value and external pressure value when unit actual discharge determines adjustment decision.Specific Adjustment principle it
As long as one be certain battery unit internal pressure value and external pressure value difference be more than certain preset threshold, i.e., to the battery unit into
The corresponding parameter of row inhibits.For example, it is assumed that the internal pressure value of the first battery unit and the difference of external pressure value are greater than the first peace
Full threshold value shows that the first battery unit is in explosive alert status, therefore need to directly disconnect its supply lines to charging equipment
Road is so that output parameter is instantaneously reduced to zero；And assume the second battery unit internal pressure value and external pressure value difference less than the
One secure threshold and also less than first pressure threshold value show that the second battery unit is in the safe condition of normal power supply, therefore can increase
Its big output parameter, to guarantee that in the case where the open circuit of the first battery unit, battery pack still has enough output powers to be charged
Equipment power supply.It should be noted that exporting the tolerance of electric current and/or output voltage no more than battery unit after increasing.
It, can be according to the internal pressure value of the first battery unit according to the battery management method that disclosure embodiment provides
And the difference of the internal pressure value and external pressure value of the difference of external pressure value and the second battery unit adjusts separately the first battery list
The output electric current and/or output voltage of member and the second battery unit, to independently, accurately adjust double cell unit in electric discharge
The pressure value respectively born, the safety when discharge reliability of battery unit is effectively promoted and using charging equipment.
Fig. 3 is the flow chart according to another battery management method shown in an illustrative embodiments.As shown in Figure 3
Method similarly, such as can be applied to the usage scenario of the charging equipments such as smart phone, which includes parallel connection
The first battery unit and the second battery unit and internal pressure value for detecting the first battery unit respectively and the second electricity
The detection module of the internal pressure value of pool unit.With method 10 shown in FIG. 1 the difference is that, method 30 shown in Fig. 3 into
One step provides the internal pressure value according to the first battery unit, adjusts the output electric current and/or output electricity of the first battery unit
Pressure, and according to the internal pressure value of the second battery unit, adjust the second battery unit output electric current and/or output voltage it is another
One embodiment.
With reference to Fig. 3, battery management method 30 includes:
In step s 302, it when the first battery unit and the second battery unit are that charging equipment is powered, obtains from inspection
Survey the internal pressure value of the first battery unit of module detection and the internal pressure value of the second battery unit.
In step s 304, the internal pressure value of the first battery unit and the internal pressure of the second battery unit are judged respectively
Whether value is greater than preset second secure threshold.
In step S306, when the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit
When less than the second secure threshold, the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit are judged
Whether preset second pressure threshold value is less than.
In step S308, when the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit
When greater than second pressure threshold value, the output electric current and/or output voltage of the first battery unit are reduced, and/or reduce the second battery
The output electric current and/or output voltage of unit.
In step s310, when the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit
When less than second pressure threshold value, increase the output electric current and/or output voltage of the first battery unit, and/or increase by the second battery
The output electric current and/or output voltage of unit.
In step S312, when the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit
When greater than the second secure threshold, the internal pressure value for detecting the first battery unit in a preset time respectively is greater than the second safety
First number of threshold value and the internal pressure value of the second battery unit are greater than second number of the second secure threshold.
In step S314, when first time counts and/or second number is greater than preset first frequency threshold value, by the first electricity
The output electric current and/or output voltage setting of pool unit are under preset first output quantity threshold value, and/or by the second battery list
The output electric current and/or output voltage setting of member are under the first output quantity threshold value.
In step S316, when first time several and/or second number is less than the first frequency threshold value, by the first battery unit
Output electric current and/or output voltage setting under preset second output quantity threshold value, and/or by the defeated of the second battery unit
Electric current and/or output voltage setting are under the second output quantity threshold value out.
Wherein, the first output quantity threshold value is lower than the second output quantity threshold value.
In above-mentioned steps S308 and step S310, to the first battery unit/second battery unit execution adjustment
Including to the first battery unit and the second battery unit output voltage and/or output electric current synchronize the adjustment of same width, it is synchronous not
It adjusts, is may also comprise to the output voltage of any battery unit and/or individually adjusting for output electric current with width, it should be according to every
Internal pressure value size when a battery unit actual discharge determines adjustment decision.
It, can be according to the historical volatility data of each cell internal pressure value in above-mentioned steps S314 and step S316
The output quantity for configuring each battery unit, including to the first battery unit and the second battery unit output voltage and/or output
The different configurations of the same configuration of electric current and output voltage and/or output electric current to any battery unit, are specifically also answered
Configuration decisions are determined according to the internal pressure historical data of each battery unit actual discharge process.For example, it is assumed that first number
Less than the first frequency threshold value, show that the first cell internal pressure value fluctuates in a relatively stable range, then can incite somebody to action
The output electric current and/or output voltage of first battery unit are configured using biggish second output quantity threshold value as the upper limit；And it is false
If second time number is greater than the first frequency threshold value, show that the fluctuation of the second cell internal pressure value is more violent, historical data
Middle there are enough peak values or cusps, then need the output electric current of the second battery unit and/or output voltage with lesser
One output quantity threshold value is that the upper limit is configured.It should be noted that peak value or cusp are higher, preset first output quantity threshold value phase
It answers smaller；Peak value or cusp are lower, and preset first output quantity threshold value is accordingly bigger, but the same appearance no more than battery unit
Limit.
It, can be according to the internal pressure value of the first battery unit according to the battery management method that disclosure embodiment provides
And second the internal pressure value of battery unit adjust separately the output electric current of the first battery unit and the second battery unit and/or defeated
Voltage out, thus pressure value independent, that accurately adjustment double cell unit is respectively born in electric discharge, while can be according to the first electricity
The fluctuation data of the internal pressure value of the internal pressure value of pool unit and the second battery unit be respectively configured the first battery unit and
The output electric current and/or output voltage of second battery unit, be effectively promoted battery unit discharge reliability and use to
Safety when charging equipment.
Fig. 4 is the flow chart according to another battery management method shown in an illustrative embodiments.As shown in Figure 4
Method, such as can be applied to the charging scenarios of the charging equipments such as smart phone, which includes the first of parallel connection
Battery unit and the second battery unit and internal pressure value and the second battery unit for detecting the first battery unit respectively
Internal pressure value detection module.The difference is that, method 40 shown in Fig. 4 is further with method 10 shown in FIG. 1
Provide the method that charging voltage and/or charging current are adjusted according to the pressure value of the first battery unit and the second battery unit.
With reference to Fig. 4, compared to method 10, battery management method 40 further comprises:
In step S402, when the first battery unit and the second battery unit charge, what acquisition was detected from detection module
The internal pressure value of the internal pressure value of first battery unit and the second battery unit.
In step s 404, according to the internal pressure value of the first battery unit, the charging current of the first battery unit is adjusted
And/or charging voltage, and according to the internal pressure value of the second battery unit, adjust the second battery unit charging current and/or
Charging voltage.
As above-mentioned, the parameters such as charging current and/or the charging voltage for influencing battery input power, battery are adjusted by dynamic
The internal pressure value of unit can also change therewith.Negative-feedback regu- lation, this public affairs for example can be used in the control model of dynamic adjustment
It opens and is not limited.
It, can be according to the internal pressure value of the first battery unit according to the battery management method that disclosure embodiment provides
And second the internal pressure value of battery unit adjust separately the charging current of the first battery unit and the second battery unit and/or fill
Piezoelectric voltage, so that pressure value independent, that accurately adjustment double cell unit is respectively born, is effectively promoted filling for battery unit
Electric reliability and it is subsequent using charging equipment when safety.
Fig. 5 is the flow chart according to another battery management method shown in an illustrative embodiments.As shown in Figure 5
Method similarly, such as can be applied to the charging scenarios of the charging equipments such as smart phone, which includes parallel connection
The first battery unit and the second battery unit and internal pressure value for detecting the first battery unit respectively and the second electricity
The detection module of the internal pressure value of pool unit.With method 40 shown in Fig. 4 the difference is that, method 50 shown in fig. 5 into
One step provides the internal pressure value according to the first battery unit, adjusts the charging current and/or charging electricity of the first battery unit
Pressure, and according to the internal pressure value of the second battery unit, adjust the second battery unit charging current and/or charging voltage one
A embodiment.
With reference to Fig. 5, battery management method 50 includes:
In step S502, when the first battery unit and the second battery unit charge, what acquisition was detected from detection module
The internal pressure value of the internal pressure value of first battery unit and the second battery unit.
In step S504, the external pressure value of the first battery unit and the external pressure of the second battery unit are obtained respectively
Value.
In step S506, the internal pressure value of the first battery unit and the difference of external pressure value and the second electricity are judged respectively
Whether the internal pressure value of pool unit and the difference of external pressure value are greater than preset third secure threshold.
In step S508, when the internal pressure value of the first battery unit and the difference of external pressure value and/or the second battery
When the internal pressure value of unit and the difference of external pressure value are greater than third secure threshold, the first battery unit and/or second is disconnected
The charging circuit of battery unit.
In step S510, when the internal pressure value of the first battery unit and the difference of external pressure value and/or the second battery
When the internal pressure value of unit and the difference of external pressure value are less than third secure threshold, the internal pressure of the first battery unit is judged
It is preset whether the internal pressure value of the difference and/or the second battery unit of value and external pressure value and the difference of external pressure value are less than
Third pressure threshold.
In step S512, when the internal pressure value of the first battery unit and the difference of external pressure value and/or the second battery
When the internal pressure value of unit and the difference of external pressure value are greater than third pressure threshold, the charging current of the first battery unit is reduced
And/or charging voltage, and/or reduce the charging current and/or charging voltage of the second battery unit.
In step S514, when the internal pressure value of the first battery unit and the difference of external pressure value and/or the second battery
When the internal pressure value of unit and the difference of external pressure value are less than third pressure threshold, increase the charging current of the first battery unit
And/or charging voltage, and/or increase the charging current and/or charging voltage of the second battery unit.
In above-mentioned steps S508-S514, the adjustment that the first battery unit/second battery unit executes may each comprise pair
The charging voltage and/or charging current of first battery unit and the second battery unit synchronize same width adjustment, synchronize different width tune
It is whole, it may also comprise to the charging voltage of any battery unit and/or individually adjusting for charging current, it should be according to each battery
Unit it is practical charging when internal pressure value and external pressure value difference size determine adjust decision.Specific Adjustment principle it
As long as one be certain battery unit internal pressure value and external pressure value difference be more than certain preset threshold, i.e., to the battery unit into
The corresponding parameter of row inhibits.For example, it is assumed that the internal pressure value of the first battery unit and the difference of external pressure value are pacified greater than third
Full threshold value shows that the first battery unit is in explosive alert status, therefore need to directly disconnect its charging circuit so that input parameter
Instantaneously it is reduced to zero；And assumes the internal pressure value of the second battery unit and the difference of external pressure value and be less than third secure threshold and go back
Less than third pressure threshold, show that the second battery unit is in the safe condition charged normal, therefore it can be increased and input parameter, with
Guarantee still there are enough input powers to charge to battery pack in the case where the open circuit of the first battery unit.It should be noted that increasing
The tolerance of charging current and/or charging voltage after adding no more than battery unit.
It, can be according to the internal pressure value of the first battery unit according to the battery management method that disclosure embodiment provides
And the difference of the internal pressure value and external pressure value of the difference of external pressure value and the second battery unit adjusts separately the first battery list
The charging current and/or charging voltage of member and the second battery unit, to independently, accurately adjust double cell unit in charging
The pressure value respectively born, be effectively promoted battery unit charging reliability and it is subsequent using charging equipment when safety
Property.
Fig. 6 is the flow chart according to another battery management method shown in an illustrative embodiments.It is as shown in FIG. 6
Method similarly, such as can be applied to the charging scenarios of the charging equipments such as smart phone, which includes parallel connection
The first battery unit and the second battery unit and internal pressure value for detecting the first battery unit respectively and the second electricity
The detection module of the internal pressure value of pool unit.With method 40 shown in Fig. 4 the difference is that, method 60 shown in fig. 6 into
One step provides the internal pressure value according to the first battery unit, adjusts the charging current and/or charging electricity of the first battery unit
Pressure, and according to the internal pressure value of the second battery unit, adjust the second battery unit charging current and/or charging voltage it is another
One embodiment.
With reference to Fig. 6, battery management method 60 includes:
In step S602, when the first battery unit and the second battery unit charge, what acquisition was detected from detection module
The internal pressure value of the internal pressure value of first battery unit and the second battery unit.
In step s 604, the internal pressure value of the first battery unit and the internal pressure of the second battery unit are judged respectively
Whether value is greater than preset 4th secure threshold.
In step S606, when the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit
When less than four secure thresholds, the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit are judged
Whether preset 4th pressure threshold is less than.
In step S608, when the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit
When greater than four pressure thresholds, the charging current and/or charging voltage of the first battery unit are reduced, and/or reduce the second battery
The charging current and/or charging voltage of unit.
In step S610, when the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit
When less than four pressure thresholds, increase the charging current and/or charging voltage of the first battery unit, and/or increase by the second battery
The charging current and/or charging voltage of unit.
In step S612, when the internal pressure value of the first battery unit and/or the internal pressure value of the second battery unit
When greater than four secure thresholds, the internal pressure value for detecting the first battery unit in a preset time respectively is greater than the 4th safety
First number of threshold value and the internal pressure value of the second battery unit are greater than second number of the 4th secure threshold.
In step S614, when first time counts and/or second number is greater than preset second frequency threshold value, by the first electricity
The charging current and/or charging voltage of pool unit are arranged under preset first charge volume threshold value, and/or by the second battery list
The charging current and/or charging voltage of member are arranged under the first charge volume threshold value.
In step S616, when first time several and/or second number is less than the second frequency threshold value, by the first battery unit
Charging current and/or charging voltage be arranged under preset second charge volume threshold value, and/or filling the second battery unit
Electric current and/or charging voltage are arranged under the second charge volume threshold value；
Wherein, the first charge volume threshold value is lower than the second charge volume threshold value.
In above-mentioned steps S608 and step S610, to the first battery unit/second battery unit execution adjustment
Including to the first battery unit and the second battery unit charging voltage and/or charging current synchronize the adjustment of same width, it is synchronous not
It adjusts, is may also comprise to the charging voltage of any battery unit and/or individually adjusting for charging current with width, it should be according to every
Internal pressure value size when the practical charging of a battery unit determines adjustment decision.
It, can be according to the historical volatility data of each cell internal pressure value in above-mentioned steps S614 and step S616
The charge volume for configuring each battery unit, including the charging voltage and/or charging to the first battery unit and the second battery unit
The different configurations of the same configuration of electric current and charging voltage and/or charging current to any battery unit, are specifically also answered
Configuration decisions are determined according to the internal pressure historical data of the practical charging process of each battery unit.For example, it is assumed that first number
Less than the second frequency threshold value, show that the first cell internal pressure value fluctuates in a relatively stable range, then can incite somebody to action
The charging current and/or charging voltage of first battery unit are configured using biggish second charge volume threshold value as the upper limit；And it is false
If second time number is greater than the second frequency threshold value, show that the fluctuation of the second cell internal pressure value is more violent, historical data
Middle there are enough peak values or cusps, then need the charging current of the second battery unit and/or charging voltage with lesser
One charge volume threshold value is that the upper limit is configured.It should be noted that peak value or cusp are higher, preset first charge volume threshold value phase
It answers smaller；Peak value or cusp are lower, and preset first charge volume threshold value is accordingly bigger, but the same appearance no more than battery unit
Limit.
It, can be according to the internal pressure value of the first battery unit according to the battery management method that disclosure embodiment provides
And second the internal pressure value of battery unit adjust separately the output electric current of the first battery unit and the second battery unit and/or defeated
Voltage out, thus pressure value independent, that accurately adjustment double cell unit is respectively born in charging, while can be according to the first electricity
The fluctuation data of the internal pressure value of the internal pressure value of pool unit and the second battery unit be respectively configured the first battery unit and
The charging current and/or charging voltage of second battery unit are effectively promoted the charging reliability of battery unit and subsequent make
Safety when with charging equipment.
It should be noted that above-mentioned attached drawing is only the processing according to included by the method for disclosure illustrative embodiments
It schematically illustrates, rather than limits purpose.It can be readily appreciated that above-mentioned processing shown in the drawings does not indicate or limits these processing
Time sequencing.In addition, be also easy to understand, these processing, which can be, for example either synchronously or asynchronously to be executed in multiple modules.
It is particularly shown and described the illustrative embodiments of the disclosure above.It should be appreciated that the disclosure is unlimited
In detailed construction described herein, set-up mode or implementation method；On the contrary, disclosure intention covers included in appended claims
Spirit and scope in various modifications and equivalence setting.
Claims (14)
1. a kind of charging equipment characterized by comprising
First battery unit and the second battery unit in parallel；
Detection module, for detecting the internal pressure value of first battery unit and the inside of second battery unit respectively
Pressure value；And
Control module is electrically connected with the detection module, for being in first battery unit and second battery unit
When the charging equipment is powered, according to the internal pressure value of first battery unit obtained from the detection module, adjust
The output electric current and/or output voltage of whole first battery unit, and according to described second obtained from the detection module
The internal pressure value of battery unit adjusts the output electric current and/or output voltage of second battery unit.
2. charging equipment according to claim 1, which is characterized in that the control module is used in first battery
When unit and second battery unit are that the charging equipment is powered, the external pressure of first battery unit is obtained respectively
The external pressure value of force value and second battery unit；Internal pressure value and the outside of first battery unit are judged respectively
Whether the difference of the internal pressure value and external pressure value of the difference of pressure value and second battery unit is greater than preset first peace
Full threshold value；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are greater than first secure threshold, first battery unit and/or described the are disconnected
The power supply line of two battery units；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are less than first secure threshold, the internal pressure value of first battery unit is judged
And it is default whether the difference of the internal pressure value and external pressure value of the difference of external pressure value and/or second battery unit is less than
First pressure threshold value；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are greater than the first pressure threshold value, the output electric current of first battery unit is reduced
And/or output voltage, and/or reduce the output electric current and/or output voltage of second battery unit；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are less than the first pressure threshold value, increase the output electric current of first battery unit
And/or output voltage, and/or increase the output electric current and/or output voltage of second battery unit.
3. charging equipment according to claim 1, which is characterized in that the control module is used in first battery
When unit and second battery unit are that the charging equipment is powered, the inside pressure of first battery unit is judged respectively
Whether the internal pressure value of force value and second battery unit is greater than preset second secure threshold；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are less than described the
When two secure thresholds, the internal pressure value of first battery unit and/or the internal pressure of second battery unit are judged
Whether value is less than preset second pressure threshold value；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are greater than described the
When two pressure thresholds, the output electric current and/or output voltage of first battery unit are reduced, and/or reduces by second electricity
The output electric current and/or output voltage of pool unit；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are less than described the
When two pressure thresholds, increase by the output electric current and/or output voltage of first battery unit, and/or increases by second electricity
The output electric current and/or output voltage of pool unit；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are greater than described the
When two secure thresholds, the internal pressure value for detecting first battery unit in a preset time respectively is greater than second peace
First number of full threshold value and the internal pressure value of second battery unit are greater than second number of second secure threshold；
When first number and/or second number are greater than preset first frequency threshold value, by first battery unit
Electric current and/or output voltage setting are exported under preset first output quantity threshold value, and/or by second battery unit
Electric current and/or output voltage setting are exported under the first output quantity threshold value；
When first number and/or second number are less than first frequency threshold value, by the defeated of first battery unit
Electric current and/or output voltage setting be under preset second output quantity threshold value out, and/or by the defeated of second battery unit
Electric current and/or output voltage setting are under the second output quantity threshold value out；
Wherein, the first output quantity threshold value is lower than the second output quantity threshold value.
4. charging equipment according to claim 1, which is characterized in that the control module is also used in first electricity
When pool unit and second battery unit charge, according to the internal pressure value of first battery unit, adjustment described first
The charging current and/or charging voltage of battery unit, and according to the internal pressure value of second battery unit adjusts described the
The charging current and/or charging voltage of two battery units.
5. charging equipment according to claim 4, which is characterized in that the control module is used in first battery
When unit and second battery unit charge, the external pressure value and second electricity of first battery unit are obtained respectively
The external pressure value of pool unit；The internal pressure value of first battery unit and the difference of external pressure value and described are judged respectively
Whether the internal pressure value of the second battery unit and the difference of external pressure value are greater than preset third secure threshold；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are greater than the third secure threshold, first battery unit and/or described the are disconnected
The charging circuit of two battery units；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are less than the third secure threshold, the internal pressure value of first battery unit is judged
And it is default whether the difference of the internal pressure value and external pressure value of the difference of external pressure value and/or second battery unit is less than
Third pressure threshold；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are greater than the third pressure threshold, the charging current of first battery unit is reduced
And/or charging voltage, and/or reduce the charging current and/or charging voltage of second battery unit；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are less than the third pressure threshold, increase the charging current of first battery unit
And/or charging voltage, and/or increase the charging current and/or charging voltage of second battery unit.
6. charging equipment according to claim 4, which is characterized in that the control module is used in first battery
When unit and second battery unit charge, the internal pressure value and second electricity of first battery unit are judged respectively
Whether the internal pressure value of pool unit is greater than preset 4th secure threshold；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are less than described the
When four secure thresholds, the internal pressure value of first battery unit and/or the internal pressure of second battery unit are judged
Whether value is less than preset 4th pressure threshold；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are greater than described the
When four pressure thresholds, the charging current and/or charging voltage of first battery unit are reduced, and/or reduces by second electricity
The charging current and/or charging voltage of pool unit；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are less than described the
When four pressure thresholds, increase by the charging current and/or charging voltage of first battery unit, and/or increases by second electricity
The charging current and/or charging voltage of pool unit；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are greater than described the
When four secure thresholds, the internal pressure value for detecting first battery unit in a preset time respectively is greater than the 4th peace
First number of full threshold value and the internal pressure value of second battery unit are greater than second number of the 4th secure threshold；
When first number and/or second number are greater than preset second frequency threshold value, by first battery unit
Charging current and/or charging voltage are arranged under preset first charge volume threshold value, and/or by second battery unit
Charging current and/or charging voltage are arranged under the first charge volume threshold value；
When first number and/or second number are less than second frequency threshold value, by filling for first battery unit
Electric current and/or charging voltage are arranged under preset second charge volume threshold value, and/or filling second battery unit
Electric current and/or charging voltage are arranged under the second charge volume threshold value；
Wherein, the first charge volume threshold value is lower than the second charge volume threshold value.
7. charging equipment according to claim 2 or 5, which is characterized in that the external pressure value includes: by built-in
In the external pressure value of the pressure sensor of first battery unit and second battery unit detection, or the ring detected
Domestic atmospheric pressure value.
8. a kind of battery management method is applied in charging equipment characterized by comprising
When the first battery unit of the charging equipment and the second battery unit are that the charging equipment is powered, obtain from
The internal pressure value and second battery unit of first battery unit of the detection module detection of the charging equipment
Internal pressure value；And
According to the internal pressure value of first battery unit, output electric current and/or the output of first battery unit are adjusted
Voltage, and according to the internal pressure value of second battery unit adjusts the output electric current of second battery unit and/or defeated
Voltage out；
Wherein, first battery unit and second battery units in parallel.
9. according to the method described in claim 8, it is characterized in that, being adjusted according to the internal pressure value of first battery unit
The output electric current and/or output voltage of whole first battery unit, and according to the internal pressure value of second battery unit,
The output electric current and/or output voltage for adjusting second battery unit include:
When first battery unit and second battery unit are that the charging equipment is powered, described the is obtained respectively
The external pressure value of the external pressure value of one battery unit and second battery unit；
The internal pressure value of first battery unit and the difference of external pressure value and second battery unit are judged respectively
Whether the difference of internal pressure value and external pressure value is greater than preset first secure threshold；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are greater than first secure threshold, first battery unit and/or described the are disconnected
The power supply line of two battery units；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are less than first secure threshold, the internal pressure value of first battery unit is judged
And it is default whether the difference of the internal pressure value and external pressure value of the difference of external pressure value and/or second battery unit is less than
First pressure threshold value；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are greater than the first pressure threshold value, the output electric current of first battery unit is reduced
And/or output voltage, and/or reduce the output electric current and/or output voltage of second battery unit；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are less than the first pressure threshold value, increase the output electric current of first battery unit
And/or output voltage, and/or increase the output electric current and/or output voltage of second battery unit.
10. according to the method described in claim 8, it is characterized in that, being adjusted according to the internal pressure value of first battery unit
The output electric current and/or output voltage of whole first battery unit, and according to the internal pressure value of second battery unit,
The output electric current and/or output voltage for adjusting second battery unit include:
When first battery unit and second battery unit are that the charging equipment is powered, described the is judged respectively
Whether the internal pressure value of the internal pressure value of one battery unit and second battery unit is greater than preset second safety threshold
Value；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are less than described the
When two secure thresholds, the internal pressure value of first battery unit and/or the internal pressure of second battery unit are judged
Whether value is less than preset second pressure threshold value；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are greater than described the
When two pressure thresholds, the output electric current and/or output voltage of first battery unit are reduced, and/or reduces by second electricity
The output electric current and/or output voltage of pool unit；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are less than described the
When two pressure thresholds, increase by the output electric current and/or output voltage of first battery unit, and/or increases by second electricity
The output electric current and/or output voltage of pool unit；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are greater than described the
When two secure thresholds, the internal pressure value for detecting first battery unit in a preset time respectively is greater than second peace
First number of full threshold value and the internal pressure value of second battery unit are greater than second number of second secure threshold；
When first number and/or second number are greater than preset first frequency threshold value, by first battery unit
Electric current and/or output voltage setting are exported under preset first output quantity threshold value, and/or by second battery unit
Electric current and/or output voltage setting are exported under the first output quantity threshold value；
When first number and/or second number are less than first frequency threshold value, by the defeated of first battery unit
Electric current and/or output voltage setting be under preset second output quantity threshold value out, and/or by the defeated of second battery unit
Electric current and/or output voltage setting are under the second output quantity threshold value out；
Wherein, the first output quantity threshold value is lower than the second output quantity threshold value.
11. according to the method described in claim 8, it is characterized by further comprising:
When first battery unit and second battery unit charge, described the detected from the detection module is obtained
The internal pressure value of the internal pressure value of one battery unit and second battery unit；And
According to the internal pressure value of first battery unit, the charging current and/or charging of first battery unit are adjusted
Voltage, and according to the internal pressure value of second battery unit, adjust the charging current of second battery unit and/or fill
Piezoelectric voltage.
12. according to the method for claim 11, which is characterized in that according to the internal pressure value of first battery unit,
Adjust the charging current and/or charging voltage of first battery unit, and the internal pressure according to second battery unit
Value, the charging current and/or charging voltage for adjusting second battery unit include:
When first battery unit and second battery unit charge, the outside of first battery unit is obtained respectively
The external pressure value of pressure value and second battery unit；
The internal pressure value of first battery unit and the difference of external pressure value and second battery unit are judged respectively
Whether the difference of internal pressure value and external pressure value is greater than preset third secure threshold；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are greater than the third secure threshold, first battery unit and/or described the are disconnected
The charging circuit of two battery units；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are less than the third secure threshold, the internal pressure value of first battery unit is judged
And it is default whether the difference of the internal pressure value and external pressure value of the difference of external pressure value and/or second battery unit is less than
Third pressure threshold；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are greater than the third pressure threshold, the charging current of first battery unit is reduced
And/or charging voltage, and/or reduce the charging current and/or charging voltage of second battery unit；
When the inside of the internal pressure value of first battery unit and the difference of external pressure value and/or second battery unit
When pressure value and the difference of external pressure value are less than the third pressure threshold, increase the charging current of first battery unit
And/or charging voltage, and/or increase the charging current and/or charging voltage of second battery unit.
13. according to the method for claim 11, which is characterized in that according to the internal pressure value of first battery unit,
Adjust the charging current and/or charging voltage of first battery unit, and the internal pressure according to second battery unit
Value, the charging current and/or charging voltage for adjusting second battery unit include:
When first battery unit and second battery unit charge, the inside of first battery unit is judged respectively
Whether the internal pressure value of pressure value and second battery unit is greater than preset 4th secure threshold；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are less than described the
When four secure thresholds, the internal pressure value of first battery unit and/or the internal pressure of second battery unit are judged
Whether value is less than preset 4th pressure threshold；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are greater than described the
When four pressure thresholds, the charging current and/or charging voltage of first battery unit are reduced, and/or reduces by second electricity
The charging current and/or charging voltage of pool unit；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are less than described the
When four pressure thresholds, increase by the charging current and/or charging voltage of first battery unit, and/or increases by second electricity
The charging current and/or charging voltage of pool unit；
When the internal pressure value of first battery unit and/or the internal pressure value of second battery unit are greater than described the
When four secure thresholds, the internal pressure value for detecting first battery unit in a preset time respectively is greater than the 4th peace
First number of full threshold value and the internal pressure value of second battery unit are greater than second number of the 4th secure threshold；
When first number and/or second number are greater than preset second frequency threshold value, by first battery unit
Charging current and/or charging voltage are arranged under preset first charge volume threshold value, and/or by second battery unit
Charging current and/or charging voltage are arranged under the first charge volume threshold value；
When first number and/or second number are less than second frequency threshold value, by filling for first battery unit
Electric current and/or charging voltage are arranged under preset second charge volume threshold value, and/or filling second battery unit
Electric current and/or charging voltage are arranged under the second charge volume threshold value；
Wherein, the first charge volume threshold value is lower than the second charge volume threshold value.
14. the method according to claim 9 or 12, which is characterized in that the external pressure value includes: by being built in
The external pressure value of the pressure sensor detection of the first battery unit and second battery unit is stated, or in the environment detected
Atmospheric pressure value.
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| CN201910624380.9A CN110266077A (en) | 2019-07-11 | 2019-07-11 | Charging equipment and battery management method |
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