CN104167780B - A kind of continuous controlled isolating active active equalization charging module and charge system thereof - Google Patents
A kind of continuous controlled isolating active active equalization charging module and charge system thereof Download PDFInfo
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- CN104167780B CN104167780B CN201410369426.4A CN201410369426A CN104167780B CN 104167780 B CN104167780 B CN 104167780B CN 201410369426 A CN201410369426 A CN 201410369426A CN 104167780 B CN104167780 B CN 104167780B
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Abstract
The present invention discloses a kind of continuous controlled isolating active active equalization charging module and charge system thereof, and described active equalization charging module comprises the inlet circuit module connected successively, electrical isolation module and circuit of output terminal module; Described charge system comprises above-mentioned multiple active equalization charging modules, charging machine, battery management system, and comprise the series of cells being composed in series by multiple monomer rechargeable battery, the output terminal of described charging machine is connected with the positive and negative electrode of described series of cells, each monomer rechargeable battery in described series of cells is all connected with described battery management system by being connected in parallel active equalization charging module described in, and described battery management system is connected with charging machine by communication bus. Continuous controlled isolating active active equalization charging module provided by the invention and charge system, have thermal value little in process of charging, and energy consumption is low, and the duration of charging is few, efficiency height, and reliability is strong, the advantages such as portfolio effect is good.
Description
Technical field
The present invention relates to a kind of equalizing charge module, it is specifically related to a kind of continuous controlled isolating active equalizing charge module and its application system.
Background technology
Power battery module used for electric vehicle is in series by monomer lithium ion battery, owing to monomer lithium ion battery performance exists discordance, there will be monomer voltage when discharge and recharge inconsistent, thus affects and govern the charging and discharging capabilities of whole battery module. As long as there being a cell to reach the charging/discharging voltage limit at work, whole battery module will stop discharge and recharge, otherwise cell can overcharge or excessively puts, and seriously affects its life-span. The efficient balance of cell can better be played battery performance, extend work-ing life. Existing equilibrium is divided into two kinds: one is passive equilibrium, balanced also referred to as energy consumption type; Another kind is active equalization, and also namely non-energy consumption is balanced. Existing when charging to electric automobile power battery module, there is heating problem serious, energy consumption height, the shortcomings such as efficiency is low, and whole circuit is comparatively complicated, and reliability is poor.
Summary of the invention
In order to overcome deficiency of the prior art, the present invention provides a kind of continuous controlled isolating active active equalization charging module, it is little that this continuous controlled isolating active active equalization charging module has thermal value in process of charging, energy consumption is low, efficiency height, reliability is strong, the advantages such as equalizing charge effect is good.
The present invention is achieved by the following technical solutions:
A kind of continuous controlled isolating active active equalization charging module, comprises the inlet circuit module connected successively, electrical isolation module and circuit of output terminal module,
Described inlet circuit module comprises the first input terminal, the 2nd input terminal, fusible cut-out, resonator, filter coupling capacity, half-bridge resonance circuit module and full bridge rectifier, described first input terminal, fusible cut-out, half-bridge resonance circuit module and full bridge rectifier connect successively, described 2nd input terminal is all connected with one end and the half-bridge resonance circuit module of described filtering coupling capacity, and the other end of described filtering coupling capacity is connected with described fusible cut-out;
Described electrical isolation module comprises optical coupling module, current sample/detection circuit and transformer, the output terminal of described optical coupling module is connected with full bridge rectifier, the input terminus of optical coupling module passes through described current sample/detection circuit and half-bridge resonance circuit model calling, the input terminus of described transformer and described half-bridge resonance circuit model calling;
Described circuit of output terminal module comprises the first output terminal, 2nd output terminal, first filter capacitor, controlling circuit of voltage regulation, on-off control circuit, full-wave rectification circuit and filtering circuit, described controlling circuit of voltage regulation, on-off control circuit and the first output terminal connect successively, the input terminus of described full-wave rectification circuit is connected with the output terminal of described transformer, the output terminal of described full-wave rectification circuit also with described controlling circuit of voltage regulation, the input terminus of optical coupling module, one end of 2nd output terminal and described filtering circuit all connects, the other end of described filtering circuit be connected to controlling circuit of voltage regulation be connected with on-off control circuit between node J on, the output terminal of described transformer is also connected with described node J, described on-off control circuit is also connected with the output terminal of transformer by described first filter capacitor, described controlling circuit of voltage regulation is also connected with the input terminus of optical coupling module.
Goodly, described half-bridge resonance circuit module comprises startup resistance, resonant capacitance, half-bridge drive circuit and feed circuit, one end of described startup resistance is connected with described fusible cut-out, the other end starting resistance is connected with described half-bridge drive circuit and feed circuit, one end of described resonant capacitance is connected with the input terminus of described transformer, the other end of resonant capacitance is connected with described half-bridge drive circuit and fusible cut-out, described feed circuit are also connected with half-bridge drive circuit and the 2nd output terminal, described half-bridge drive circuit is also connected with described full bridge rectifier and described current sample/detection circuit.
Goodly, described optical coupling module comprises the first optocoupler, the 2nd optocoupler, current limliting resistance and the 2nd filter capacitor, and described current sample/detection circuit comprises peak current detection circuit and current sampling resistor; The output terminal of described first optocoupler, the 2nd optocoupler is all connected with described full bridge rectifier by the 2nd filter capacitor, the input terminus of described first optocoupler is connected with described controlling circuit of voltage regulation by current limliting resistance, the input terminus of described 2nd optocoupler is connected with half-bridge drive circuit by described peak current detection circuit, described current sampling resistor one end is connected with described 2nd output terminal, the other end of current sampling resistor and described peak current detection circuit and be all connected with half-bridge drive circuit.
Further, described continuous controlled isolating active active equalization charging module also comprises condition indication circuit, and described condition indication circuit is connected with the output terminal of described controlling circuit of voltage regulation, described node J and full-wave rectification circuit.
Conceive based on foregoing invention, the present invention also provides a kind of charge system, described charge system comprises multiple active equalization charging module, charging machine, battery management system, and comprise the series of cells being composed in series by multiple monomer rechargeable battery, the output terminal of described charging machine is connected with the positive and negative electrode of described series of cells, each monomer rechargeable battery in described series of cells is all connected with described battery management system by being connected in parallel active equalization charging module described in, described battery management system is connected with charging machine by communication bus, described active equalization charging module is continuous controlled isolating active active equalization charging module as above.
Preferably; Described communication bus is CAN or RS485 bus; Described charging machine has CAN interface or the total line interface of RS485, and described battery management system has CAN interface or the total line interface of RS485; Described continuous controlled isolating active active equalization charging module is modular design.
Continuous controlled isolating active active equalization charging module provided by the invention and charge system, have thermal value little in process of charging, and energy consumption is low, and the duration of charging is few, efficiency height, and reliability is strong, the advantages such as portfolio effect is good.
Accompanying drawing explanation
Accompanying drawing 1 is the structure schematic block diagram of continuous controlled isolating active active equalization charging module in the embodiment of the present invention 1;
Accompanying drawing 2 is the schematic circuit diagram of continuous controlled isolating active active equalization charging module in the embodiment of the present invention 1;
Accompanying drawing 3 is continuous controlled isolating active active equalization charging module charging efficiency test curve figure in the embodiment of the present invention 1;
Accompanying drawing 4 is the structure schematic block diagram of charge system in the embodiment of the present invention 2.
Embodiment
For the ease of the understanding of those skilled in the art, below in conjunction with accompanying drawing, the invention will be further described.
Embodiment 1
As shown in Figure 1, a kind of continuous controlled isolating active active equalization charging module, comprise the inlet circuit module connected successively, electrical isolation module and circuit of output terminal module, described inlet circuit module bag first input terminal P1, 2nd input terminal P2, fusible cut-out, resonator, filter coupling capacity, half-bridge resonance circuit module and full bridge rectifier, described electrical isolation module comprises optical coupling module, current sample/detection circuit and transformer, described circuit of output terminal module comprises the first output terminal P3, 2nd output terminal P4, first filter capacitor, controlling circuit of voltage regulation, condition indication circuit, on-off control circuit, full-wave rectification circuit and filtering circuit.
First output terminal P3 of described first input terminal P1, fusible cut-out, half-bridge resonance circuit module, full bridge rectifier, optical coupling module, controlling circuit of voltage regulation, on-off control circuit and output terminal connects successively, and described 2nd output terminal P4, full-wave rectification circuit, transformer, half-bridge resonance circuit module, the 2nd input terminal P2 connect successively; One end of coupling filter capacitor is connected with fusible cut-out, and its other end is connected with the 2nd input terminal P2, and the input terminus of be namely coupled filter capacitor and half-bridge resonance circuit module is connected in parallel; One end of described filtering circuit is connected with the output terminal of full-wave rectification circuit, its other end be connected to controlling circuit of voltage regulation be connected with on-off control circuit between node J on; On-off control circuit is also connected with the output terminal of transformer by the first filter capacitor, the input terminus of optical coupling module also by described current sample/detection circuit and half-bridge resonance circuit model calling, the output terminal of condition indication circuit and full-wave rectification circuit, controlling circuit of voltage regulation and controlling circuit of voltage regulation be connected with on-off control circuit between node J all connect; The output terminal of described full-wave rectification circuit is also connected with the input terminus of optical coupling module, and the output terminal of transformer is also connected with described node J.
As shown in Figure 2, accompanying drawing 2 is the physical circuit schematic diagram of accompanying drawing 1. In the present embodiment, half-bridge resonance circuit module comprises startup resistance 15, resonant capacitance 18, half-bridge drive circuit 10 and feed circuit 14, the one end starting resistance 15 is connected with fusible cut-out 16, its the other end is connected with half-bridge drive circuit 10, feed circuit 14, feed circuit 14 also with half-bridge drive circuit and the 2nd input terminal P2 are connected, for powering for half-bridge drive circuit; One end of resonant capacitance 18 is connected with the input terminus of transformer 20, and its other end is connected with fusible cut-out 16, half-bridge drive circuit 10; Wherein half-bridge drive circuit 10 comprises half-bridge driven chip 11, chip periphery circuit 12(by two MOS pipe U2, U3, and diode D1, electric capacity C5 are formed), peripheral concussion RC network 13(resistance R2 and electric capacity C2 in series); The concrete mode of connection of each integral part of half-bridge resonance circuit module can consult accompanying drawing 2, no longer describes in detail here.
In the present embodiment, optical coupling module comprises the first optocoupler 21, the 2nd optocoupler 22, current limliting resistance 26 and the 2nd filter capacitor 25, current sample/detection circuit comprises peak current detection circuit 23(and is made up of diode D8 and electric capacity C8) with current sampling resistor 24(by resistance R3, R4 composes in parallel), the anode pin of diode in the negative pole of diode D8 and the 2nd optocoupler 22 input terminus, one end of electric capacity C8 connects simultaneously, the other end of electric capacity C8 is then connected with the negative electrode pin of diode in the 2nd optocoupler 22 input terminus, two current sampling resistor R3, R4 be connected in parallel after one end S pole with the MOS pipe U3 in the positive pole of diode D8 and half-bridge drive circuit be connected simultaneously, two current sampling resistor R3, R4 be connected in parallel after the other end be then connected with the 2nd input terminal, the output terminal of the first optocoupler 21, the 2nd optocoupler 22 is all connected with the output terminal of full bridge rectifier 19 by the 2nd filter capacitor 25, and namely the output terminal of the first optocoupler 21, the 2nd optocoupler 22 is connected with the output terminal of full bridge rectifier 19 by the 2nd filter capacitor 25 after being connected in parallel, the anode pin of the diode in the input terminus of the first optocoupler 21 is connected with the first output terminal of output terminal, and the negative electrode pin of the diode in the input terminus of the first optocoupler 21 is then connected with controlling circuit of voltage regulation 28, status indicator lamp circuit by current limliting resistance 26, the input terminus of described 2nd optocoupler is connected with the MOS pipe U3 of the chip periphery circuit 12 in half-bridge drive circuit 10 by peak current detection circuit 23, one end of current sampling resistor 24 is connected with the MOS pipe U3 of described chip periphery circuit 12, and its other end is then connected with the 2nd input terminal P2.
One input pin of the input terminus of transformer 20 is connected with the MOS pipe U2 with the chip periphery circuit 12 in half-bridge drive circuit 10 by resonant capacitance 18, and another input pin is connected with the half-bridge driven chip 11 in half-bridge drive circuit 10; Two output pins of the output terminal of transformer are connected with full-wave rectification circuit 30,3rd output pin is connected with on-off control circuit 29 and controlling circuit of voltage regulation 28 etc., and the pin in two output pins of the transformer 20 being wherein connected with full-wave rectification circuit is also connected with on-off control circuit 29 by the first filter capacitor 32.
On-off control circuit 29 comprises a MOS pipe U4, two diode D9, D10, an one electric capacity C12 and resistance R12, for as electronic switch, with the output of control output end, the D pole of described MOS pipe U4 be connected to described filtering circuit be connected with controlling circuit of voltage regulation between circuit on, the S pole of MOS pipe U4 simultaneously with one end of resistance R12, the positive pole of diode D9 connects, the other end of resistance R12 is then connected with the negative pole of diode D10 and the G pole of MOS pipe U4 simultaneously, the positive pole of diode D10 simultaneously with the negative pole of diode D9, one end of first filter capacitor connects, electric capacity C12 and resistance R12 is connected in parallel. the connection relation of each hardware components of on-off control circuit 29 refers to accompanying drawing 2, no longer describes in detail here.
Controlling circuit of voltage regulation 28 is by three-terminal voltage-stabilizing pipe ZD1, resistance R9, R10, R11, and electric capacity C9 forms, wherein resistance R9, R10 is connected in series composition voltage detecting network, the reference end of three-terminal voltage-stabilizing pipe ZD1 is then connected to resistance R9, common node between R10 connects, the two ends of electric capacity C9 are then connected respectively to the negative pole end of three-terminal voltage-stabilizing pipe ZD1 with reference to end, one end of resistance R11 be connected with the negative pole end of three-terminal voltage-stabilizing pipe ZD1 the other end then anode pin with the diode in the input terminus of the first optocoupler 21 be connected, the positive terminal of three-terminal voltage-stabilizing pipe ZD1 then simultaneously with resistance R10, the output terminal of voltage device 30, MOS pipe U4 in on-off control circuit 29, filtering circuit 31 connects, in the present embodiment, filtering circuit 31 is electric capacity C10. in controlling circuit of voltage regulation 28, the connection relation of each element refers to accompanying drawing 2.
Condition indication circuit 27 is by triode T1, resistance R6, R7, R8, pilot lamp LED1, LED2 form, this condition indication circuit, the light on and off of pilot lamp LED1, LED2 are controlled by the break-make of triode, thus the working order of continuous controlled isolating active active equalization charging module is indicated, in condition indication circuit, the connection relation of each element refers to accompanying drawing 2, no longer describes in detail here.
The principle of work of continuous controlled isolating active active equalization charging module or the working process that are thered is provided by the present embodiment below are briefly described. This active equalization charging module adopts asymmetrical half-bridge LLC resonance topological, and regulative mode is PFM pattern, and it has, and efficiency of conversion height, switch MOS pipe stress are little, reliability advantages of higher. During work, outside power supply signal is entered by the first input terminal P1 the 2nd input terminal P2 of input terminus, half-bridge resonance circuit module is entered after fusible cut-out 16 and filtering coupling capacity 17, after full bridge rectifier 19 processes, circuit output module end is exported to through transformer 20, optical coupling module, this electrical signal output procedure can be divided into two stages, the MOS pipe conducting in chip periphery circuit 12 of first stage, then transformer 20 transfers energy to secondary by armature winding, form a half cycle and stored energy on the filter capacitor 31 of output terminal; Another MOS pipe conducting in chip periphery circuit 12 of 2nd stage, the same transmission ofenergy forming a half cycle is to secondary, and two semi-period energy define a complete cycle, thus form stable transmission ofenergy. The electric current of inlet circuit module is sampled by current sampling resistor 24, voltage is produced when electric current flows through current sampling resistor 24, this voltage is by peak current detection circuit 23(diode D8 and electric capacity C8) carry out peak value rectification sampling, frequency modulation is carried out again by the 2nd optocoupler 22, if the peak point current sampled is excessive, then the frequency of half-bridge driver chip 11 rises, the overall power decline of active equalization charging module, thus realizing circuit current limliting. Controlling circuit of voltage regulation 28 in circuit of output terminal module adopts high precision constant voltage constant current device three-terminal voltage-stabilizing pipe ZD1, and is sampled by output voltage by resistance R9 and R10; When overtension, three-terminal voltage-stabilizing pipe ZD1 starts working, and the first optocoupler 21 conducting makes half-bridge driver chip 11 frequency rise, the overall power decline of active equalization charging module, thus output voltage decline; On the contrary, when output voltage declines, the first optocoupler 21 turns off, half-bridge driver chip 11 frequency decrease, and the overall power of active equalization charging module rises, thus output voltage rises, and so forth circulation formative dynamics balance. When active equalization charging module works, the conductings such as MOS pipe U4 and D10 in on-off control circuit 29, dynamic equalizing charge module can normal outward current; When active equalization charging module stopping work,, MOS pipe U4 and D10 etc. in on-off control circuit 29 cannot obtain forward voltage from transformer 20, thus ends, such that it is able to the loss guaranteeing circuit of output terminal module is minimum, effectively reduce the energy waste of active equalization charging module.
As shown in Figure 3, Fig. 3 is the efficiency test graphic representation of the continuous controlled isolating active active equalization charging module shown in Fig. 2, wherein, ordinate zou is the efficiency of active equalization charging module, unit was per-cent, and X-coordinate is the time, carried out a secondary data sampling every 5 minutes. In figure, solid line is time sharing sampling point curve, the efficiency situation of reaction active equalization charging module in whole balancing procedure, can see in the beginning of equalizing charge process and the efficiency of ending phase equalizing charge lower, when efficiency is minimum about about 80%, in the pilot process of equalizing charge process, equalization efficiency is higher, can reach dotted line in about 95%, figure when most effective is average efficiency curve, it can be seen that the average efficiency of equalizing charge process about 87% level. The efficiency of the equalizing charge that test result shows this active equalization charging module is higher, and effect is good in actual applications.
Embodiment 2
As shown in Figure 4, the present embodiment provides a kind of charge system, this charge system comprises multiple active equalization charging module 2, charging machine 3, battery management system 4, and comprise the series of cells 1 being composed in series by multiple monomer rechargeable battery, the output terminal of charging machine 3 is connected with the positive and negative electrode of series of cells 1, each monomer rechargeable battery in series of cells 1 is all connected with described battery management system 4 by being connected in parallel an active equalization charging module 2, battery management system 4 is connected with charging machine 3 by communication bus, described active equalization charging module 2 is continuous controlled isolating active active equalization charging module as described in example 1 above.
Wherein, described communication bus is preferably CAN or RS485 bus; Described charging machine has CAN interface or the total line interface of RS485, and described battery management system has CAN interface or the total line interface of RS485. In addition, the continuous controlled isolating active active equalization charging module in this enforcement is modular design, has that one-piece construction is simple, size is less, and energy consumption is low, thermal value is low, the advantages such as charging efficiency height, dependable performance.
In actual applications, when charging as this charge system being used for the power battery pack of pure electric coach, the rated capacity assuming its power battery pack is 300Ah, then charging machine 3 can adopt intelligent charge motor EVC-600-300 that Guangzhou Yi Wei electromobile company limited develops, or Beijing jade is newly unified into the intelligent charge motor used for electric vehicle of Electron Technology Co., Ltd's exploitation; Battery management system 4 is selected and can be set the parameter such as charging voltage, electric current according to battery types, and the matured product of the total line interface of CAN or RS485 providing open, such as the EVB-600 lithium-ion-power cell management system that Guangzhou Yi Wei electromobile company limited produces, the lithium ion lithium battery management system used for electric vehicle that Hunan Tian Heng new forms of energy company limited produces, the MC17 type lithium dynamical battery management system of HarBin Guantuo Power equipment Co., Ltd's exploitation.
The working process of charge system in following brief description accompanying drawing 4: series of cells 1 process of charging is divided into the overall large current charge of series of cells and equalizing charge two processes: when starting to charge, owing to series of cells 1 state-of-charge is lower, the charging current of charging machine 3 can be set to 0.2C(here C be the rated capacity of series of cells); Along with improving constantly of series of cells 1 state-of-charge, can suitably reduce charging current. When battery management system in process of charging 4 detect series of cells 1 has monomer rechargeable battery fully charged time, battery management system 4 sends steering order automatically, enter equalizing charge process, start each active equalization charging module 2 by battery management system 4 and not yet fully charged monomer rechargeable battery is continued charging. In equalizing charge process, battery management system 4 detects the charging state of each monomer rechargeable battery, when there being cell fully charged, the active equalization charging module that namely battery management system 4 controls its correspondence stops charging, continues to charge the cell being not yet full of until all monomer rechargeable batteries are all fully charged.
Relative to prior art, the charge system that the present embodiment provides has the following advantages:
(1) less energy-consumption: in equalizing charge process, fully charged monomer rechargeable battery can directly cut off its charging loop, and not yet fully charged monomer rechargeable battery is then proceeded charging, and in equalizing charge process, power loss is low;
(2) duration of charging is short: in the overall process of charging of series of cells, adopt large current charge when starting to charge, when monomer rechargeable battery a certain in series of cells is close to, when being full of, adopting the active equalization charging module described in embodiment 1 to carry out equalizing charge; When monomer rechargeable battery is full of, it is possible to cut off the charging loop of this monomer rechargeable battery by battery management system, continuing to be charged by other monomer rechargeable batteries with relatively large electric current, thus its duration of charging will shorten greatly;
(3) efficiency height: adopting the active equalization charging module described in embodiment 1 that monomer rechargeable battery is carried out equalizing charge in equalizing charge process, have power loss low in equalizing charge process, the equalizing charge time is shorter, charging efficiency advantages of higher;
(4) simple and practical; Each active equalization charging module in charge system all adopts modular design, has that size is little, thermal value is low, an advantage such as charging efficiency height and dependable performance.
The content mentioned in above-described embodiment is that the present invention preferably implements mode, is not limitation of the invention, and without departing from the inventive concept of the premise, any apparent replacement is all within protection scope of the present invention.
Claims (10)
1. a continuous controlled isolating active active equalization charging module, comprises the inlet circuit module connected successively, electrical isolation module and circuit of output terminal module, it is characterised in that:
Described inlet circuit module comprises the first input terminal, the 2nd input terminal, fusible cut-out, resonator, filter coupling capacity, half-bridge resonance circuit module and full bridge rectifier, described first input terminal, fusible cut-out, half-bridge resonance circuit module and full bridge rectifier connect successively, described 2nd input terminal is all connected with one end and the half-bridge resonance circuit module of described filtering coupling capacity, and the other end of described filtering coupling capacity is connected with described fusible cut-out;
Described electrical isolation module comprises optical coupling module, current sample/detection circuit and transformer, the output terminal of described optical coupling module is connected with full bridge rectifier, the input terminus of optical coupling module is by described current sample/detection circuit and half-bridge resonance circuit model calling, and the input terminus of described transformer and described half bridge shake circuit model calling;
Described circuit of output terminal module comprises the first output terminal, 2nd output terminal, first filter capacitor, controlling circuit of voltage regulation, on-off control circuit, full-wave rectification circuit and filtering circuit, described controlling circuit of voltage regulation, on-off control circuit and the first output terminal connect successively, the input terminus of described full-wave rectification circuit is connected with the output terminal of described transformer, the output terminal of described full-wave rectification circuit also with described controlling circuit of voltage regulation, the input terminus of optical coupling module, one end of 2nd output terminal and described filtering circuit all connects, the other end of described filtering circuit be connected to controlling circuit of voltage regulation be connected with on-off control circuit between node J on, the output terminal of described transformer is also connected with described node J, described on-off control circuit is also connected with the output terminal of transformer by described first filter capacitor, described controlling circuit of voltage regulation is also connected with the input terminus of optical coupling module.
2. continuous controlled isolating active active equalization charging module according to claim 1, it is characterised in that: described half-bridge resonance circuit module comprises startup resistance, resonant capacitance, half-bridge drive circuit and feed circuit,
One end of described startup resistance is connected with described fusible cut-out, the other end starting resistance is connected with described half-bridge drive circuit and feed circuit, one end of described resonant capacitance is connected with the input terminus of described transformer, the other end of resonant capacitance is connected with described half-bridge drive circuit and fusible cut-out, described feed circuit are also connected with half-bridge drive circuit and the 2nd output terminal, and described half-bridge drive circuit is also connected with described full bridge rectifier and described current sample/detection circuit.
3. continuous controlled isolating active active equalization charging module according to claim 2, it is characterized in that: described optical coupling module comprises the first optocoupler, the 2nd optocoupler, current limliting resistance and the 2nd filter capacitor, and described current sample/detection circuit comprises peak current detection circuit and current sampling resistor;
The defeated place end of described first optocoupler, the 2nd optocoupler is all connected with described full bridge rectifier by the 2nd filter capacitor, the input terminus of described first optocoupler is connected with described controlling circuit of voltage regulation by current limliting resistance, the input terminus of described 2nd optocoupler is connected with half-bridge drive circuit by described peak current detection circuit, described current sampling resistor one end is connected with described 2nd output terminal, the other end of current sampling resistor and described peak current detection circuit and be all connected with half-bridge drive circuit.
4. continuous controlled isolating active active equalization charging module according to any one of claims 1 to 3, it is characterized in that: described continuous controlled isolating active active equalization charging module also comprises condition indication circuit, and described condition indication circuit is connected with the output terminal of described controlling circuit of voltage regulation, described node J and full-wave rectification circuit.
5. continuous controlled isolating active active equalization charging module according to claim 4, it is characterized in that: described current sample/detection circuit comprises a diode D8, the current sampling resistor R3 that one electric capacity C8 and two is connected in parallel, R4, the anode pin of diode in the negative pole of diode D8 and the 2nd optocoupler input terminus, one end of electric capacity C8 connects simultaneously, the other end of electric capacity C8 is then connected with the negative electrode pin of diode in the 2nd optocoupler input terminus, two current sampling resistor R3, R4 be connected in parallel after one end be connected with positive pole and the half-bridge drive circuit of diode D8 simultaneously, two current sampling resistor R3, R4 be connected in parallel after the other end be then connected with the 2nd input terminal.
6. continuous controlled isolating active active equalization charging module according to claim 5, it is characterized in that: described on-off control circuit comprises a MOS pipe U4, two diode D9, D10, an one electric capacity C12 and resistance R12, the D pole of described MOS pipe U4 be connected to described filtering circuit be connected with controlling circuit of voltage regulation between circuit on, the S pole of MOS pipe U4 simultaneously with one end of resistance R12, the positive pole of diode D9 connects, the other end of resistance R12 is then connected with the negative pole of diode D10 and the G pole of MOS pipe U4 simultaneously, the positive pole of diode D10 simultaneously with the negative pole of diode D9, one end of first filter capacitor connects, electric capacity C12 and resistance R12 is connected in parallel.
7. a charge system, comprise multiple active equalization charging module, charging machine, battery management system, and comprise the series of cells being composed in series by multiple monomer rechargeable battery, it is characterized in that: the output terminal of described charging machine is connected with the positive and negative electrode of described series of cells, each monomer rechargeable battery in described series of cells is all connected in parallel to active equalization charging module described in, and each described active equalization charging module is connected with described battery management system, described battery management system is connected with charging machine by communication bus, described active equalization charging module is the continuous controlled isolating active active equalization charging module as described in item as arbitrary in claim 1��6.
8. charge system according to claim 7, it is characterised in that: described communication bus is CAN or RS485 bus.
9. charge system according to claim 8, it is characterised in that: described charging machine has CAN interface or the total line interface of RS485, and described battery management system has CAN interface or the total line interface of RS485.
10. charge system according to any one of claim 7��9, it is characterised in that: described continuous controlled isolating active active equalization charging module is modular design.
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| SG11201700428UA (en) | 2016-02-05 | 2017-09-28 | Guangdong Oppo Mobile Telecommunications Corp Ltd | Charge method, adapter and mobile terminal |
| CN209488195U (en) | 2016-10-12 | 2019-10-11 | Oppo广东移动通信有限公司 | Mobile terminal |
| CN113489094B (en) * | 2021-07-02 | 2025-09-23 | 珠海格力电器股份有限公司 | Method, circuit and system for driving and balancing a battery pack in a BMS |
| CN115313580A (en) * | 2022-08-26 | 2022-11-08 | 珠海西默电气股份有限公司 | Battery charging equalization system |
| CN116207828B (en) * | 2023-04-25 | 2023-10-03 | 荣耀终端有限公司 | Charging methods and electronic equipment |
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| CN202503437U (en) * | 2012-03-14 | 2012-10-24 | 聂明平 | A low-power standby circuit for industrial frequency power transformers |
| CN203289341U (en) * | 2013-01-07 | 2013-11-13 | 昂宝电子（上海）有限公司 | Flyback switch power supply circuit |
| CN204012842U (en) * | 2014-07-30 | 2014-12-10 | 广州益维电动汽车有限公司 | A kind of continuous controlled isolating active active equalization charging module and charging system thereof |
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| KR101101473B1 (en) * | 2010-04-22 | 2012-01-03 | 삼성전기주식회사 | Multiple power supplies for driving LEDs |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202503437U (en) * | 2012-03-14 | 2012-10-24 | 聂明平 | A low-power standby circuit for industrial frequency power transformers |
| CN203289341U (en) * | 2013-01-07 | 2013-11-13 | 昂宝电子（上海）有限公司 | Flyback switch power supply circuit |
| CN204012842U (en) * | 2014-07-30 | 2014-12-10 | 广州益维电动汽车有限公司 | A kind of continuous controlled isolating active active equalization charging module and charging system thereof |
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