CN105958559A - Divided multi-cascade power supply device and charging and discharging method thereof - Google Patents
Divided multi-cascade power supply device and charging and discharging method thereof Download PDFInfo
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- CN105958559A CN105958559A CN201610191561.3A CN201610191561A CN105958559A CN 105958559 A CN105958559 A CN 105958559A CN 201610191561 A CN201610191561 A CN 201610191561A CN 105958559 A CN105958559 A CN 105958559A
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0024—Parallel/serial switching of connection of batteries to charge or load circuit
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- 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
- H02J7/0013—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
- H02J7/0014—Circuits for equalisation of charge between batteries
- H02J7/0019—Circuits for equalisation of charge between batteries using switched or multiplexed charge circuits
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
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Abstract
The present invention discloses a divided multi-cascade power supply device and a charging and discharging method thereof. The device comprises: an input interface configured to connect with the connection interface of a charger; an input interface configured to connect with charging interface of a device to be charged; a detection module configured to detect the current device connection state and the number of the current access battery assemblies and the voltage of the current access battery assemblies; a control module configured to output a control instruction to a charging and discharging management module according to the current device connection state; the charging and discharging management module configured to output a switch instruction to a switching module according to the control instruction and the number of the current access battery assemblies and the voltage of the current access battery assemblies; and the switching module configured to control the current access battery assemblies to switch the charging and the discharging according to the switching instruction, freely combine independent battery assemblies according to the consumer's endurance demand and realize the seamless switching charging and discharging of multi-group battery assemblies. Therefore the consumer's demands on the electric quantity in different cases are satisfied to provide convenience for customers.
Description
Technical field
The present invention relates to portable power source technical field, particularly to a kind of separate type multi-cascade supply unit and charging/discharging thereof thereof.
Background technology
Along with the development of intelligent terminal is increasingly faster, user is more and more higher to the battery capacity requirement of intelligent terminal, but the progress of battery technology is not met by demand, the most also occurs in that various portable power source is to ensure the continuation of the journey requirement of intelligent terminal.
And current portable power source product or the big Heavy Weight of capacity, be inconvenient to carry, volume low capacity is little, continuation of the journey can not be met, owing to client has different demand to capacity and portability under different situations, as gone out one day, only a frivolous portable power source need to be brought, and go out with household/or go on business many days, then need the upper a Large Copacity power supply of band.Therefore, current portable power source can not meet the multiple demand of user.
Thus prior art could be improved and improve.
Summary of the invention
In place of above-mentioned the deficiencies in the prior art, it is an object of the invention to provide a kind of separate type multi-cascade supply unit and charging/discharging thereof thereof, can be according to the battery component of the continuation of the journey demand independent assortment independence of consumer, and realize the seamless switching discharge and recharge of many Battery packs assembly, meet the electrical demand under consumer's different situations, provide convenient for consumer.
In order to achieve the above object, this invention takes techniques below scheme:
A kind of separate type multi-cascade supply unit, including:
Input interface, for connecting the connection interface of charger；
Output interface, for connecting the charging inlet of charging equipment；
Described separate type multi-cascade supply unit also includes:
Detection module, is used for detecting current equipment connection status and the quantity of the battery component being currently accessed and voltage；
Control module, for exporting control instruction to management of charging and discharging module according to current equipment connection status；
Management of charging and discharging module, for instructing to handover module according to quantity and the voltage output switching of described control instruction with the battery component being currently accessed；
Handover module, for the battery component switching charging or the switch discharges that control to be currently accessed according to described switching command.
In described separate type multi-cascade supply unit, described detection module includes:
Equipment connects detector unit, and for detecting whether described input interface connects the connection interface of charger, or whether described output interface connects the charging inlet of charging equipment；
Battery component detector unit, for detecting quantity and the voltage of the battery component being currently accessed.
In described separate type multi-cascade supply unit, described control module specifically for:
When described input interface connects the connection interface of charger, output charging control instruction is to management of charging and discharging module；
When described output interface connects the charging inlet of charging equipment, output control of discharge instructs to management of charging and discharging module.
In described separate type multi-cascade supply unit, described management of charging and discharging module specifically for:
When receiving charging control instruction, the battery component being currently accessed is sorted from small to large by voltage, and export charging switching command to handover module；
When receiving control of discharge instruction, the battery component being currently accessed is sorted from big to small by voltage, and export electric discharge switching command to handover module.
In described separate type multi-cascade supply unit, described handover module includes:
Charging switch unit, for when receiving charging switching command, controls battery component and switches charging by voltage from small to large；
Electric discharge switch unit, for when receiving electric discharge switching command, controls battery component and presses voltage switch discharges from big to small.
A kind of charging/discharging thereof using separate type multi-cascade supply unit as above, it comprises the steps:
A, detected current equipment connection status and the quantity of battery component being currently accessed and voltage by detection module；
B, by control module according to current equipment connection status output control instruction to management of charging and discharging module；
C, management of charging and discharging the module quantity of battery component and the voltage output switching that according to described control instruction and are currently accessed instruct to handover module；
D, the battery component switching being controlled to be currently accessed according to described switching command by handover module are charged or switch discharges.
In the charging/discharging thereof of described separate type multi-cascade supply unit, described step A includes:
A1, equipment connect detector unit and detect whether described input interface connects the connection interface of charger, or whether described output interface connects the charging inlet of charging equipment；
A2, the detection of battery component the detector unit quantity of the battery component being currently accessed and voltage.
In the charging/discharging thereof of described separate type multi-cascade supply unit, described step B specifically includes:
When described input interface connects the connection interface of charger, by control module output charging control instruction to management of charging and discharging module；
When described output interface connects the charging inlet of charging equipment, control module output control of discharge instruct to management of charging and discharging module.
In the charging/discharging thereof of described separate type multi-cascade supply unit, described step C specifically includes:
When receiving charging control instruction, management of charging and discharging module the battery component being currently accessed is sorted from small to large by voltage, and export charging switching command to handover module；
When receiving control of discharge instruction, management of charging and discharging module the battery component being currently accessed is sorted from big to small by voltage, and export electric discharge switching command to handover module.
In the charging/discharging thereof of described separate type multi-cascade supply unit, described step D includes:
D1, charging switch unit, when receiving charging switching command, control battery component and switch charging by voltage from small to large；
D2, electric discharge switch unit, when receiving electric discharge switching command, control battery component and press voltage switch discharges from big to small.
Compared to prior art, in the separate type multi-cascade supply unit of present invention offer and charging/discharging thereof thereof, described separate type multi-cascade supply unit includes input interface, for connecting the connection interface of charger；Output interface, for connecting the charging inlet of charging equipment；Current equipment connection status is detected and the quantity of the battery component being currently accessed and voltage by detection module；By control module according to current equipment connection status output control instruction to management of charging and discharging module；Instructed to handover module according to quantity and the voltage output switching of described control instruction with the battery component being currently accessed by management of charging and discharging module；Control battery component switching charging or the switch discharges being currently accessed according to described switching command by handover module, can be according to the battery component of the continuation of the journey demand independent assortment independence of consumer, and realize the seamless switching discharge and recharge of many Battery packs assembly, meet the electrical demand under consumer's different situations, provide convenient for consumer.
Accompanying drawing explanation
The structured flowchart of the separate type multi-cascade supply unit that Fig. 1 provides for the present invention.
The circuit diagram of battery component detector unit in the separate type multi-cascade supply unit that Fig. 2 provides for the present invention.
The circuit diagram of handover module in the separate type multi-cascade supply unit that Fig. 3 provides for the present invention.
The flow chart of the charging/discharging thereof of the separate type multi-cascade supply unit that Fig. 4 provides for the present invention.
The flow chart of the Application Example of the separate type multi-cascade supply unit that Fig. 5 provides for the present invention.
Detailed description of the invention
In view of in prior art, portable power source product capacitance is single, cannot meet the shortcomings such as the multiple demand of consumer, the present invention provides a kind of separate type multi-cascade supply unit and charging/discharging thereof thereof, can be according to the battery component of the continuation of the journey demand independent assortment independence of consumer, and realize the seamless switching discharge and recharge of many Battery packs assembly, meet the electrical demand under consumer's different situations, provide convenient for consumer.
For making the purpose of the present invention, technical scheme and effect clearer, clear and definite, the present invention is described in more detail for the embodiment that develops simultaneously referring to the drawings.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
Refer to Fig. 1, the separate type multi-cascade supply unit that the present invention provides includes: input interface 10, output interface 20, detection module 30, control module 40, management of charging and discharging module 50 and handover module 60, described input interface 10 and output interface 20 are all connected with detection module 30, described input interface 10 connects handover module 60 also by management of charging and discharging module 50, described handover module 60 is also connected with detection module 30 and output interface 20, and described detection module 30, management of charging and discharging module 50 and handover module 60 are all connected with control module 40.Wherein, described input interface 10 is for connecting the connection interface of charger；Described output interface 20 is for connecting the charging inlet of charging equipment, and described input interface 10 and output interface 20 can be Type C interface or Micro USB interface, specifically can design according to actual needs, and this is not construed as limiting by the present invention.
Described detection module 30 is used for detecting current equipment connection status and the quantity of the battery component 100 being currently accessed and voltage；Described control module 40 is for exporting control instruction to management of charging and discharging module 50 according to current equipment connection status；Described management of charging and discharging module 50 is for instructing to handover module 60 according to quantity and the voltage output switching of described control instruction with the battery component 100 being currently accessed；Described handover module 60 is for the battery component 100 switching charging or the switch discharges that control to be currently accessed according to described switching command.
nullThe present invention detects current equipment connection status and battery component 100 quantity being currently accessed and voltage by detection module 30 before discharge and recharge，Specifically，Described battery component 100 be independent can charge-discharge battery assembly 100，Consumer is facilitated to carry out independent assortment according to different demands，Control module 40 judges now as charged state or discharge condition according to current equipment connection status afterwards，Thus export corresponding control instruction to management of charging and discharging module 50，Management of charging and discharging module 50 according to described control instruction and is currently accessed afterwards the quantity of battery component 100 and voltage，Export corresponding switching command to handover module 60，Charging or switch discharges is switched according to the battery component 100 that described switching command controls to be currently accessed by handover module 60，It is achieved thereby that the switching discharge and recharge of many Battery packs assembly 100，Meet the electrical demand under consumer's different situations，Intelligence degree is high.
Further, described detection module 30 includes that equipment connects detector unit 301 and battery component 100 detector unit 302, described battery component 100 detector unit 302 connects detector unit 301 link control module 40 by described equipment, described equipment connects detector unit 301 and is also connected with input interface 10 and output interface 20, described equipment connects detector unit 301 and is used for detecting whether described input interface 10 connects the connection interface of charger, or whether described output interface 20 connects the charging inlet of charging equipment；The quantity of the battery component 100 that described battery component 100 detector unit 302 is currently accessed for detection and voltage, thus detector unit 301 can be connected by equipment and detect current equipment connection status, judge now as charged state or discharge condition, and accurately detect quantity and the voltage of the battery component 100 being currently accessed, provide reliable basis for follow-up charge or discharge process.
nullSpecifically，Refer to Fig. 2，Described battery component 100 detector unit 302 includes multiple resistance Rn1、Rn2、... Rnn and the multiple switch Kn1 being correspondingly arranged、Kn2、…Knn，One end of each switch is by corresponding resistance eutral grounding，The other end of each switch is all connected with the ADC interface of control module 40，Define multiple cell channel，The resistance of the most each resistance all differs，Thus distinguish different cell channel，When being embodied as，When there being battery component 100 to access a certain passage，The switch of this passage i.e. closes，Resistance by ADC interface this aisle resistance of identification，Thus judge the cell channel that present battery assembly 100 accesses，Preferably，Described separate type multi-cascade supply unit also includes passage battery capacity indication module 80，Described passage battery capacity indication module 80 link control module 40，For indicating cell channel whether to access and accessing the dump energy of battery component of this passage，Make the consumer can be intuitively、It can be clearly seen that whether battery component is successfully accessed，Ensure that the proper use of of device.
Further, please continue to refer to Fig. 1, when described control module 40 specifically for connecting the connection interface of charger when described input interface 10, output charging control instruction is to management of charging and discharging module 50；When described output interface 20 connects the charging inlet of charging equipment, output control of discharge instructs to management of charging and discharging module 50, i.e. when described input interface 10 connects the connection interface of charger, judge that now supply unit is charged state, control module 40 export charging control instruction to management of charging and discharging module 50；When described output interface 20 connects the charging inlet of charging equipment, it is judged that now supply unit is discharge condition, control module 40 export control of discharge and instruct to management of charging and discharging module 50；Thus the duty of current separate type multi-cascade supply unit can be distinguished, guarantee equipment all can normally work under different operating state, when being embodied as, the MCU that described control module 40 can use model to be STM32F429ZIY6TR, or other have the control chip of identical function, this is not construed as limiting by the present invention.
Preferably, the present invention provide separate type multi-cascade supply unit in, described management of charging and discharging module 50 specifically for, when receive charging control instruction time, the battery component 100 being currently accessed is sorted from small to large by voltage, and exports charging switching command to handover module 60；When receiving control of discharge instruction, the battery component 100 being currently accessed is sorted from big to small by voltage, and export electric discharge switching command to handover module 60, i.e. when supply unit is charged state, control module 40 output charging control instruction is to charge-discharge modules, by management of charging and discharging module 50, the battery component 100 being currently accessed is sorted from small to large by its voltage swing, and export charging switching command to handover module 60；And when supply unit is discharge condition, control module 40 exports control of discharge and instructs to charge-discharge modules, the battery component 100 being currently accessed by management of charging and discharging module 50 sorts from big to small by its voltage swing, and export electric discharge switching command to handover module 60, according to the duty that equipment is different, the battery component 100 being currently accessed is ranked up according to its voltage swing, and export corresponding switching command, ensure that when many battery components 100 access, the normal discharge and recharge of energy, it is achieved thereby that the independent assortment of battery component 100, provide convenient for consumer.
Specifically, described handover module 60 includes charge switch unit 601 and electric discharge switch unit 602, described charging switch unit 601 connects management of charging and discharging module 50, electric discharge switch unit 602 and control module 40, described electric discharge switch unit 602 is also connected with control module 40 and boosting output module 70, described charging switch unit 601, for when receiving charging switching command, controls battery component 100 and switches charging by voltage from small to large；Described electric discharge switch unit 602, for when receiving electric discharge switching command, controls battery component 100 and presses voltage switch discharges from big to small.
When supply unit is charged state, after the voltage all battery components 100 accessed being detected, sort by its voltage swing, and control battery component 100 and switch charging from small to large by its voltage, the most first charge for the battery component 100 that voltage is little, charge for the battery component 100 that voltage is big the most again, preferably, when charging, can detect battery component 100 voltage resequencing in real time by each Preset Time, sorting according to the battery component 100 after updating switches charging the most from small to large；When supply unit is discharge condition, after the voltage of all battery components 100 accessed being detected, sort by its voltage swing, and control battery component 100 by its voltage switch discharges from big to small, i.e. first charged for charging equipment by the battery component 100 that voltage is big, charged for charging equipment by the battery component 100 that voltage is little the most again, voltage when the most described boosting output module 70 can ensure electric discharge meets the voltage request of charging equipment, preferably, if now do not have battery component 100 to access but have charger to access, then controlled charger by control module 40 to charge directly to charging equipment.The switching charging of multiple battery component 100 or switch discharges is controlled by handover module 60, not only make consumer can according to its continuation of the journey demand independent assortment independence battery component 100, meet the multiple demand of consumer, also improve the utilization rate of multiple battery component 100, ensure that switching timeliness, improve Consumer's Experience.
When being embodied as, see also 3, as a example by two batteries, physical circuit and the handoff procedure of handover module is described.nullDescribed handover module 60 includes charge switch unit 601 and electric discharge switch unit 602，First end of input interface connects the VCHARGER_IN end of MCU、The negative pole of the first diode D1 and charging switch unit 601，Second end of input interface connects positive pole and the ground of the first diode D1，Described charging switch unit 601 includes the first charging chip U1、Second charging chip U2、First LED 1、Second LED 2、First resistance R1、Second resistance R2、3rd resistance R3、4th resistance R4、5th resistance R5、6th resistance R6、7th resistance R7、8th resistance R8、First electric capacity C1、Second electric capacity C2、3rd electric capacity C3、First metal-oxide-semiconductor Q1 and the second metal-oxide-semiconductor Q2，The positive pole of described first LED 1 connects the VCHARGER_IN end of MCU、The V+ end of the first charging chip U1、Also by the first electric capacity C1 ground connection，The negative pole of described first LED 1 connects the CHRG end of the first charging chip U1 by the first resistance R1，The BAT end of described first charging chip U1 connects battery component detector unit 302、Also by the second electric capacity C2 ground connection，The PROG end of described first charging chip U1 connects the drain electrode of the first metal-oxide-semiconductor Q1 by the second resistance R2，The source electrode of described first metal-oxide-semiconductor Q1 connects GND end and the ground of the first charging chip U1，The grid of described first metal-oxide-semiconductor Q1 connects the BAT1_CHARGE_EN end of MCU by the 3rd resistance R3、Also by the 4th resistance R4 ground connection，Described first metal-oxide-semiconductor Q1 is NMOS tube，The charging chip that described first charging chip U1 can use model to be SGM4054，It whether can turn on by on-off control thus control the passage of rechargeable battery assembly，Certainly，May be used without other chips with identical function，This is not construed as limiting by the present invention.
nullThe positive pole of described second LED 2 connects the VCHARGER_IN end of MCU、The V+ end of the second charging chip U2、Also by the 3rd electric capacity C3 ground connection，The negative pole of described second LED 2 connects the CHRG end of the second charging chip U2 by the 5th resistance R5，The BAT end of described second charging chip U2 connects battery component detector unit 302、Also by the 4th electric capacity C4 ground connection，The PROG end of described second charging chip U2 connects the drain electrode of the second metal-oxide-semiconductor Q2 by the 6th resistance R6，The source electrode of described second metal-oxide-semiconductor Q2 connects GND end and the ground of the second charging chip U2，The grid of described second metal-oxide-semiconductor Q2 connects the BAT2_CHARGE_EN end of MCU by the 7th resistance R7、Also by the 8th resistance R8 ground connection，Described second metal-oxide-semiconductor Q2 is NMOS tube，The charging chip that described second charging chip U2 can use model to be SGM4054，It whether can turn on by on-off control thus control the passage of rechargeable battery assembly，Certainly，May be used without other chips with identical function，This is not construed as limiting by the present invention.
nullDescribed battery component detector unit 302 includes voltage monitoring chip U3、5th electric capacity C5、6th electric capacity C6、7th electric capacity C7、9th resistance R9、Tenth resistance R10、11st resistance R11、12nd resistance R12、13rd resistance R13、14th resistance R14、15th resistance R15、Second diode D2、3rd diode D3 and the 3rd metal-oxide-semiconductor Q3，One end of described 5th electric capacity C5 connects the positive pole of main battery MAIN_BAT、The MAIN_VBAT end of MCU、One end of 9th resistance R9 and electric discharge switch unit 602，The other end of described 5th electric capacity C5 connects negative pole and the ground of main battery MAIN_BAT，The other end of described 9th resistance R9 connects the ADC1 end of MCU、One end of 6th electric capacity C6、Also by the tenth resistance R10 ground connection，The other end also ground connection of described 6th electric capacity C6，One end of described 7th electric capacity C7 connects the AUX_VBAT end of MCU、One end of 11st resistance R11、Also by secondary cell AUX_BAT ground connection，The other end ground connection of described 7th electric capacity C7，One end of described 11st resistance R11 is also connected with the switch unit 602 that discharges，The other end of described 11st resistance R11 connects the ADC2 end of MCU、Also by the 12nd resistance R12 ground connection，The GND end ground connection of described voltage monitoring chip U3，The RESET end of described voltage monitoring chip U3 connects one end of the 13rd resistance R13、One end of 15th resistance R15、It is also connected with the switch unit 602 that discharges，The other end of described 13rd resistance R13 connects the MAIN_VBAT end of MCU、The positive pole of the 3rd diode D3 is connected also by the second diode D2，The negative pole of described 3rd diode D3 connects the VCC end of voltage monitoring chip U3，The other end of described 15th resistance R15 connects the grid of the 3rd metal-oxide-semiconductor Q3，The source ground of described 3rd metal-oxide-semiconductor Q3，The drain electrode of described 3rd metal-oxide-semiconductor Q3 connects the TO_BB end of MCU，The LP end of MCU is connected also by the 14th resistance R14，Described 3rd metal-oxide-semiconductor Q3 is NMOS tube，The chip that described voltage monitoring chip U3 can use model to be SGM809T，When cell voltage is less than preset value，To automatically reset，Play the effect of double protection switching，Certainly，May be used without other chips with identical function，This is not construed as limiting by the present invention.
nullDescribed electric discharge switch unit 602 includes the first switch subelement 6021 for controlling main battery MAIN_BAT whether supplying power for outside、For controlling the second switch subelement 6022 of the no supplying power for outside of secondary cell AUX_BAT、First switch chip U4、Second switch chip U5、16th resistance R16、17th resistance R17、18th resistance R18、19th resistance R19、8th electric capacity C8 and the 9th electric capacity C9，One end of described first switch subelement 6021 connects one end of the 9th resistance R9，The other end of described first switch subelement 6021 connects the VBAT end of MCU、One end of second switch subelement 6022、Also by the tenth electric capacity C10 ground connection，The other end of described second switch subelement 6022 connects one end of the 11st resistance R11，The NO end of described first switch chip U4、GND end、NC end is all connected with one end and the ground of the 15th resistance R15，The IN end of described first switch chip U4 connects the BB_LOCK end of MCU、Also by the 16th resistance R16 ground connection，The V+ end of described first switch chip U4 connects the LP end of MCU、Also by the 8th electric capacity C8 ground connection，The COM end of described first switch chip U4 connects the SW_CON end of MCU by the 17th resistance R17、The IN1 end of second switch chip U5 and IN2 end，The NO1 end of described second switch chip U5 connects the NC2 end of second switch chip U5、The GND end of second switch chip U5 and ground，The NC1 end of described second switch chip U5 connects the NO2 end of second switch chip U5、The V+ end of second switch chip U5、The LP end of MCU、Also by the 9th electric capacity C9 ground connection，The COM1 end of described second switch chip U5 connects the G1 end of MCU by the 18th resistance R18，The COM2 end of described second switch chip U5 connects the G2 end of MCU by the 19th resistance R19，Wherein，The two-way single-pole double-throw switch (SPDT) that described first switch chip U4 can use model to be SMG3167，Level height according to input decides whether conducting，The two-way switch that described second switch chip U5 can use model to be SMG3005，Which two-way conducting level height according to input determines，Certainly，Described first switch chip U4 and second switch chip U5 all can use other chips with identical function，This is not construed as limiting by the present invention.
Described first switch subelement 6021 includes the 4th metal-oxide-semiconductor Q4, the 5th metal-oxide-semiconductor Q5, the 6th metal-oxide-semiconductor Q6 and the 7th metal-oxide-semiconductor Q7, the source electrode of described 4th metal-oxide-semiconductor Q4 connects one end and the source electrode of the 6th metal-oxide-semiconductor Q6 of the 9th resistance R9, the drain electrode of described 4th metal-oxide-semiconductor Q4 connects the drain electrode that the 5th MOS closes, and the grid of described 4th metal-oxide-semiconductor Q4 connects the grid of the 5th metal-oxide-semiconductor Q5, the grid of the 6th metal-oxide-semiconductor Q6, the grid of the 7th metal-oxide-semiconductor Q7 and the G1 end of MCU；The source electrode of described 5th metal-oxide-semiconductor Q5 connects the source electrode of the 7th metal-oxide-semiconductor Q7, and the drain electrode of described 6th metal-oxide-semiconductor Q6 connects the drain electrode of the 7th metal-oxide-semiconductor Q7, and described 4th metal-oxide-semiconductor Q4, the 5th metal-oxide-semiconductor Q5, the 6th metal-oxide-semiconductor Q6 and the 7th metal-oxide-semiconductor Q7 are PMOS.
Described second switch subelement 6022 includes the 8th metal-oxide-semiconductor Q8, the 9th metal-oxide-semiconductor Q9, the tenth metal-oxide-semiconductor Q10 and the 11st metal-oxide-semiconductor Q11, the source electrode of described 8th metal-oxide-semiconductor Q8 connects one end and the source electrode of the tenth metal-oxide-semiconductor Q10 of the 9th resistance R9, the drain electrode of described 8th metal-oxide-semiconductor Q8 connects the drain electrode that the 9th MOS closes, and the grid of described 8th metal-oxide-semiconductor Q8 connects the grid of the 9th metal-oxide-semiconductor Q9, the grid of the tenth metal-oxide-semiconductor Q10, the grid of the 11st metal-oxide-semiconductor Q11 and the G1 end of MCU；The source electrode of described 9th metal-oxide-semiconductor Q9 connects the source electrode of the 11st metal-oxide-semiconductor Q11, the drain electrode of described tenth metal-oxide-semiconductor Q10 connects the drain electrode of the 11st metal-oxide-semiconductor Q11, and described 8th metal-oxide-semiconductor Q8, the 9th metal-oxide-semiconductor Q9, the tenth metal-oxide-semiconductor Q10 and the 11st metal-oxide-semiconductor Q11 are PMOS.
Please continue to refer to Fig. 3, ADC1 end and ADC2 end by MCU detect main battery MAIN_BAT and the voltage of secondary cell AUX_BAT respectively, and compare both voltage swings, when supply unit is in charged state, it it is first the battery charging that voltage is little, it is the battery charging that voltage is big again, when specifically switching, if the voltage that the voltage of current main battery MAIN_BAT is less than secondary cell AUX_BAT, then MCU control BAT1_CHARGE_EN end sets high, now main battery MAIN_BAT starts to charge up, and BAT2_CHARGE_EN end sets low, secondary cell AUX_BAT charge closing；When again detecting cell voltage after separated in time, if the now voltage of the current main battery MAIN_BAT voltage more than secondary cell AUX_BAT, then MCU control BAT1_CHARGE_EN end sets low, now main battery MAIN_BAT charge closing, and BAT1_CHARGE_EN end sets high, secondary cell AUX_BAT starts to charge up.
nullWhen supply unit is in discharge condition，The battery first controlling voltage big is that external equipment is powered，Controlling the little battery of voltage again is that external equipment is powered，When specifically switching，If the voltage that the voltage of current main battery MAIN_BAT is more than secondary cell AUX_BAT，Then MCU control BB_LOCK end sets high，Now G1 end is low，Main battery MAIN_BAT starts to power for external equipment，And if the voltage that the voltage of current main battery MAIN_BAT is less than secondary cell AUX_BAT，Then MCU control BB_LOCK end sets low，Now G2 end is low，Secondary cell AUX_BAT starts to power for external equipment，It is achieved thereby that battery switch discharges，Discharge and recharge is switched by this circuit realiration，Its switching time is less than a microsecond，Can ensure that between battery switching, battery will not power down，Improve the reliability of device.
The present invention correspondingly provides the charging/discharging thereof of a kind of separate type multi-cascade supply unit, and as shown in Figure 4, the charging/discharging thereof of described separate type multi-cascade supply unit comprises the steps:
S100, detected current equipment connection status and the quantity of battery component being currently accessed and voltage by detection module；
S200, by control module according to current equipment connection status output control instruction to management of charging and discharging module；
S300, management of charging and discharging the module quantity of battery component and the voltage output switching that according to described control instruction and are currently accessed instruct to handover module；
S400, the battery component switching being controlled to be currently accessed according to described switching command by handover module are charged or switch discharges.
nullThe present invention detects current equipment connection status and the battery component quantity being currently accessed and voltage by detection module before discharge and recharge，Specifically，Described battery component be independent can charge-discharge battery assembly，Consumer is facilitated to carry out independent assortment according to different demands，Control module judges now as charged state or discharge condition according to current equipment connection status afterwards，Thus export corresponding control instruction to management of charging and discharging module，Management of charging and discharging module according to described control instruction and is currently accessed afterwards the quantity of battery component and voltage，Export corresponding switching command to handover module，Control battery component switching charging or the switch discharges being currently accessed according to described switching command by handover module，It is achieved thereby that the switching discharge and recharge of many Battery packs assembly，Meet the electrical demand under consumer's different situations，Intelligence degree is high.
Further, described step S100 includes: is connected detector unit by equipment and detects whether described input interface connects the connection interface of charger, or whether described output interface connects the charging inlet of charging equipment；The quantity of the battery component being currently accessed by the detection of battery component detector unit and voltage.Thus can connect, by equipment, the equipment connection status that detector unit detection is current, it is judged that it is now charged state or discharge condition, and accurately detects quantity and the voltage of the battery component being currently accessed, provide reliable basis for follow-up charge or discharge process.
Further, described step S200 specifically includes: when described input interface connects the connection interface of charger, by control module output charging control instruction to management of charging and discharging module；When described output interface connects the charging inlet of charging equipment, control module output control of discharge instruct to management of charging and discharging module.I.e. when described input interface connects the connection interface of charger, it is judged that now supply unit is charged state, by control module output charging control instruction to management of charging and discharging module；When described output interface connects the charging inlet of charging equipment, it is judged that now supply unit is discharge condition, control module output control of discharge instruct to management of charging and discharging module；Thus the duty of current separate type multi-cascade supply unit can be distinguished, guarantee equipment all can normally work under different operating state, when being embodied as, the MCU that described control module can use model to be STM32F429ZIY6TR, or other have the control chip of identical function, this is not construed as limiting by the present invention.
Preferably, in the charging/discharging thereof of the separate type multi-cascade supply unit that the present invention provides, described step S300 specifically includes: when receiving charging control instruction, by management of charging and discharging module, the battery component being currently accessed is sorted from small to large by voltage, and export charging switching command to handover module；When receiving control of discharge instruction, management of charging and discharging module the battery component being currently accessed is sorted from big to small by voltage, and export electric discharge switching command to handover module.I.e. when supply unit is charged state, the battery component being currently accessed, to charge-discharge modules, is sorted from small to large by its voltage swing by control module output charging control instruction by management of charging and discharging module, and exports charging switching command to handover module；And when supply unit is discharge condition, control module output control of discharge instructs to charge-discharge modules, the battery component being currently accessed by management of charging and discharging module sorts from big to small by its voltage swing, and export electric discharge switching command to handover module, it is ranked up according to its voltage swing according to the equipment different duty battery component to being currently accessed, and export corresponding switching command, ensure that when many battery components access, the normal discharge and recharge of energy, it is achieved thereby that the independent assortment of battery component, provide convenient for consumer.
Specifically, described step S400 includes: charging switch unit, when receiving charging switching command, controls battery component and switches charging by voltage from small to large；Electric discharge switch unit, when receiving electric discharge switching command, controls battery component and presses voltage switch discharges from big to small.When supply unit is charged state, after the voltage all battery components accessed being detected, sort by its voltage swing, and control battery component and switch charging from small to large by its voltage, it is the most first the battery component charging that voltage is little, be that the battery component that voltage is big charges the most again, preferably, when charging, battery component voltage resequencing in real time can be detected by each Preset Time, switch charging the most from small to large according to the battery component sequence after updating；When supply unit is discharge condition, after the voltage of all battery components accessed being detected, sort by its voltage swing, and control battery component by its voltage switch discharges from big to small, it is i.e. first charging equipment charging by the battery component that voltage is big, is charging equipment charging by the battery component that voltage is little the most again, preferably, if now do not have battery component to access but have charger to access, then controlled charger by control module and charge directly to charging equipment.The switching charging of multiple battery component or switch discharges is controlled by handover module, not only make consumer can meet the multiple demand of consumer according to the battery component of its continuation of the journey demand independent assortment independence, also improve the utilization rate of multiple battery component, ensure that switching timeliness, improve Consumer's Experience.
Technical scheme for a better understanding of the present invention, below in conjunction with Fig. 5, lifts concrete Application Example and is described in detail the charge and discharge process of the separate type multi-cascade supply unit of the present invention:
Charging process: step S101, detected whether that charger inserts, the most then perform step S102；If it is not, then continue executing with step S101；
Step S102, detect whether that existing battery component accesses, the most then perform step S103；If it is not, then continue executing with step S102；
Step S103, the quantity of detection battery component and voltage thereof；
Step S104, the battery component being currently accessed is sorted from small to large by cell voltage size, switch charging from small to large, and again detect the voltage of present battery assembly, i.e. cycle detection cell voltage every Preset Time, charge for battery component.
Discharge process: step S201, detected whether that charging equipment accesses, the most then perform step S202；If it is not, then continue executing with step S101；
Step S202, detect whether that existing battery component accesses, the most then perform step S203；If it is not, then perform step 213；
Step S203, judge that current existing battery component voltage whether more than or equal to predeterminated voltage, the most then performs step S204, sorts from big to small by cell voltage size, switch discharges from big to small；
Whether step S213, judgement currently have charger to access, the most then perform step S214, if it is not, then return step S202；
Step S214, by charger directly to charging equipment charge.
In sum, in the separate type multi-cascade supply unit of present invention offer and charging/discharging thereof thereof, described separate type multi-cascade supply unit includes input interface, for connecting the connection interface of charger；Output interface, for connecting the charging inlet of charging equipment；Current equipment connection status is detected and the quantity of the battery component being currently accessed and voltage by detection module；By control module according to current equipment connection status output control instruction to management of charging and discharging module；Instructed to handover module according to quantity and the voltage output switching of described control instruction with the battery component being currently accessed by management of charging and discharging module；Control battery component switching charging or the switch discharges being currently accessed according to described switching command by handover module, can be according to the battery component of the continuation of the journey demand independent assortment independence of consumer, and realize the seamless switching discharge and recharge of many Battery packs assembly, meet the electrical demand under consumer's different situations, provide convenient for consumer.
It is understood that for those of ordinary skills, can be according to technical scheme and inventive concept thereof in addition equivalent or change, and all these change or replace the protection domain that all should belong to appended claims of the invention.
Claims (10)
1. a separate type multi-cascade supply unit, including:
Input interface, for connecting the connection interface of charger；
Output interface, for connecting the charging inlet of charging equipment；
It is characterized in that, described separate type multi-cascade supply unit also includes:
Detection module, is used for detecting current equipment connection status and the quantity of the battery component being currently accessed and voltage；
Control module, for exporting control instruction to management of charging and discharging module according to current equipment connection status；
Management of charging and discharging module, for instructing to handover module according to quantity and the voltage output switching of described control instruction with the battery component being currently accessed；
Handover module, for the battery component switching charging or the switch discharges that control to be currently accessed according to described switching command.
Separate type multi-cascade supply unit the most according to claim 1, it is characterised in that described detection module includes:
Equipment connects detector unit, and for detecting whether described input interface connects the connection interface of charger, or whether described output interface connects the charging inlet of charging equipment；
Battery component detector unit, for detecting quantity and the voltage of the battery component being currently accessed.
Separate type multi-cascade supply unit the most according to claim 2, it is characterised in that described control module specifically for:
When described input interface connects the connection interface of charger, output charging control instruction is to management of charging and discharging module；
When described output interface connects the charging inlet of charging equipment, output control of discharge instructs to management of charging and discharging module.
Separate type multi-cascade supply unit the most according to claim 3, it is characterised in that described management of charging and discharging module specifically for:
When receiving charging control instruction, the battery component being currently accessed is sorted from small to large by voltage, and export charging switching command to handover module；
When receiving control of discharge instruction, the battery component being currently accessed is sorted from big to small by voltage, and export electric discharge switching command to handover module.
Separate type multi-cascade supply unit the most according to claim 4, it is characterised in that described handover module includes:
Charging switch unit, for when receiving charging switching command, controls battery component and switches charging by voltage from small to large；
Electric discharge switch unit, for when receiving electric discharge switching command, controls battery component and presses voltage switch discharges from big to small.
6. the charging/discharging thereof using separate type multi-cascade supply unit as claimed in claim 1, it is characterised in that comprise the steps:
A, detected current equipment connection status and the quantity of battery component being currently accessed and voltage by detection module；
B, by control module according to current equipment connection status output control instruction to management of charging and discharging module；
C, management of charging and discharging the module quantity of battery component and the voltage output switching that according to described control instruction and are currently accessed instruct to handover module；
D, the battery component switching being controlled to be currently accessed according to described switching command by handover module are charged or switch discharges.
The charging/discharging thereof of separate type multi-cascade supply unit the most according to claim 6, it is characterised in that described step A includes:
A1, equipment connect detector unit and detect whether described input interface connects the connection interface of charger, or whether described output interface connects the charging inlet of charging equipment；
A2, the detection of battery component the detector unit quantity of the battery component being currently accessed and voltage.
The charging/discharging thereof of separate type multi-cascade supply unit the most according to claim 7, it is characterised in that described step B specifically includes:
When described input interface connects the connection interface of charger, by control module output charging control instruction to management of charging and discharging module；
When described output interface connects the charging inlet of charging equipment, control module output control of discharge instruct to management of charging and discharging module.
The charging/discharging thereof of separate type multi-cascade supply unit the most according to claim 8, it is characterised in that described step C specifically includes:
When receiving charging control instruction, management of charging and discharging module the battery component being currently accessed is sorted from small to large by voltage, and export charging switching command to handover module；
When receiving control of discharge instruction, management of charging and discharging module the battery component being currently accessed is sorted from big to small by voltage, and export electric discharge switching command to handover module.
The charging/discharging thereof of separate type multi-cascade supply unit the most according to claim 9, it is characterised in that described step D includes:
D1, charging switch unit, when receiving charging switching command, control battery component and switch charging by voltage from small to large；
D2, electric discharge switch unit, when receiving electric discharge switching command, control battery component and press voltage switch discharges from big to small.
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| CN108242848A (en) * | 2016-12-27 | 2018-07-03 | 中国船舶重工集团公司七五〇试验场 | A kind of uninterrupted power supply device |
| CN108414870A (en) * | 2017-02-10 | 2018-08-17 | 深圳市理邦精密仪器股份有限公司 | More battery detection circuit for access and electronic equipment |
| CN109245218A (en) * | 2018-09-30 | 2019-01-18 | 温良桂 | A kind of new energy central control system |
| CN110071554A (en) * | 2019-06-01 | 2019-07-30 | 深圳市永航新能源技术有限公司 | A kind of parallel extended structure of battery BMS |
| CN110120680A (en) * | 2019-06-24 | 2019-08-13 | 合肥阳光新能源科技有限公司 | A kind of power distribution method and device of energy-storage system |
| CN110970952A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN110970950A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| WO2023184439A1 (en) * | 2022-03-31 | 2023-10-05 | 北京小米移动软件有限公司 | Battery connector snap-fit detection system, method and electronic device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108242848A (en) * | 2016-12-27 | 2018-07-03 | 中国船舶重工集团公司七五〇试验场 | A kind of uninterrupted power supply device |
| CN108414870A (en) * | 2017-02-10 | 2018-08-17 | 深圳市理邦精密仪器股份有限公司 | More battery detection circuit for access and electronic equipment |
| CN110970952A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN110970950A (en) * | 2018-09-29 | 2020-04-07 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN110970950B (en) * | 2018-09-29 | 2021-06-15 | Oppo广东移动通信有限公司 | Charging control method and device, storage medium and split type electronic equipment |
| CN109245218A (en) * | 2018-09-30 | 2019-01-18 | 温良桂 | A kind of new energy central control system |
| CN110071554A (en) * | 2019-06-01 | 2019-07-30 | 深圳市永航新能源技术有限公司 | A kind of parallel extended structure of battery BMS |
| CN110120680A (en) * | 2019-06-24 | 2019-08-13 | 合肥阳光新能源科技有限公司 | A kind of power distribution method and device of energy-storage system |
| WO2023184439A1 (en) * | 2022-03-31 | 2023-10-05 | 北京小米移动软件有限公司 | Battery connector snap-fit detection system, method and electronic device |
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