CN106655412A - Battery system - Google Patents
Battery system Download PDFInfo
- Publication number
- CN106655412A CN106655412A CN201710107906.7A CN201710107906A CN106655412A CN 106655412 A CN106655412 A CN 106655412A CN 201710107906 A CN201710107906 A CN 201710107906A CN 106655412 A CN106655412 A CN 106655412A
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- Prior art keywords
- resistance
- electric capacity
- module
- battery
- battery protection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Links
- 230000001012 protector Effects 0.000 claims abstract description 17
- 230000005611 electricity Effects 0.000 claims description 10
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 5
- 229910052744 lithium Inorganic materials 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000004065 semiconductor Substances 0.000 claims description 2
- 230000035935 pregnancy Effects 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 2
- 239000003990 capacitor Substances 0.000 description 2
- 229910001416 lithium ion Inorganic materials 0.000 description 2
- 208000031639 Chromosome Deletion Diseases 0.000 description 1
- 241000750042 Vini Species 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Classifications
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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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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/18—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for batteries; for accumulators
-
- H02J7/0026—
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00302—Overcharge protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention belongs to the field of a storage battery, and provides a battery system. The battery system comprise a battery pack and a plurality of charging modules, wherein a plurality of single battery cells are arranged in the battery pack, each charging module is used for balanced charging on each single battery cell in one-in-one correspondence, the battery system also comprises a battery protection module, a switch control module, an overcurrent protector and a universal interface module, the battery protection module is used for generating a corresponding control signal according to a voltage of the single battery core, the switch control module is used for executing on-off operation according to the control signal, the overcurrent protector is used for disconnecting when a circuit where the overcurrent protector is located is in overcurrent, and the universal interface module is used for connecting an external charger so as to charge the battery pack. The battery system has functions of ordinary charging and balanced charging, and the problem that an ordinary charger and a balance charger cannot be compatible to charge the battery pack in the prior art is solved.
Description
Technical field
The invention belongs to battery technology field, more particularly to a kind of battery system.
Background technology
Lithium battery is generally in series by multiple lithium ion single batteries.At present conventional group charger is typically adopted
Charger carries out serial connection charge to set of cells.The method that also there are various lithium battery equalizaing charges in prior art is general to adopt
Mode in a balanced way is grouped, all cells that will be connected are grouped, has an equalizer to be responsible in group per Battery pack
Balancing energy between each cell.
Although the method for equalizing charge of battery can improve the overall charging saturation of set of cells, its interface sets for special
Meter, it is not general.And the battery charger of routine is relatively conventional, versatility is good.However, due to regular charger charging inlet with
The interface of equalizing charger is different, incompatible between the two, thus exist in prior art cannot compatible conventional charger and
The problem that equalizing charger is charged to set of cells.
The content of the invention
In view of this, it is an object of the invention to provide a kind of battery system, it is intended to solve in prior art exist cannot
The problem that compatible conventional charger and equalizing charger are charged to set of cells.
The invention provides a kind of battery system, including set of cells and multiple charging modules, include in the set of cells many
Individual single battery core, the charging module is identical with the quantity of the single battery core, and each described charging module is right correspondingly
Each described single battery core carries out equalizaing charge, and the battery system also includes：
Battery protection module, each voltage connection of the battery protection module connects respectively each described single battery core
Positive pole, the battery protection module generates corresponding control signal according to the voltage of the single battery core；
Switch control module, the switch control module connects the battery protection module, the switch control module root
Make-break operation is performed according to the control signal；
Overcurrent protector, is connected between the set of cells and the switch control module, and the overcurrent protector is used for
Disconnect during the circuit-line excessively stream that it is located；
Common interface module, the first end of the common interface module connects the switch control module, described general to connect
Second end of mouth mold block connects the battery protection module, the 3rd end ground connection of the common interface module, the general-purpose interface
Module is used to connect external charger to be charged the set of cells.
Equalizaing charge by realizing set of cells in the integrated multiple charging modules in set of cells periphery of the invention, integrated battery is protected
Shield module, switch control module, overcurrent protector and common interface module realize the normal charge of set of cells, and the present invention has both
Can normal charge again can equalizaing charge function, solve that exist in prior art cannot compatible conventional charger and equalizaing charge
The problem that device is charged to set of cells.
Description of the drawings
Fig. 1 is a kind of function structure chart of battery system provided in an embodiment of the present invention；
Fig. 2 is a kind of circuit structure diagram of battery system provided in an embodiment of the present invention.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, and
It is not used in the restriction present invention.
The embodiment of the present invention is integrated by realizing the equalizaing charge of set of cells in the integrated multiple charging modules in set of cells periphery
Battery protection module, switch control module, overcurrent protector and common interface module realize the normal charge of set of cells, the present invention
Embodiment have not only can normal charge again can equalizaing charge function, solve that exist in prior art cannot compatible conventional charging
The problem that device and equalizing charger are charged to set of cells.
Fig. 1 shows a kind of modular structure of battery system that the embodiment of the present invention is provided, and for convenience of description, only shows
The part related to the embodiment of the present invention is gone out, details are as follows：
Include in a kind of battery system, including set of cells 500 and multiple charging modules (C1～Cn), set of cells 500 multiple
Single battery core (B1～Bn), charging module is identical with the quantity of single battery core, and each charging module is correspondingly to each list
Body battery core carries out equalizaing charge.
The battery system also includes：
Battery protection module 100, each voltage connection of battery protection module 100 connects respectively each single battery core
Positive pole, battery protection module 100 generates corresponding control signal according to the voltage of single battery core；
Switch control module 300, the connection battery protection module 100 of switch control module 300, switch control module 300
Make-break operation is performed according to above-mentioned control signal；
Overcurrent protector 200, is connected between set of cells 500 and switch control module 300, and overcurrent protector 200 is used for
Disconnect during the circuit-line excessively stream that it is located；
Common interface module 400, the first end connecting valve control module 300 of common interface module 400, general-purpose interface mould
The second end connection battery protection module 100 of block 400, the 3rd end ground connection of common interface module 400, common interface module 400
For connecting external charger to be charged set of cells 500.
Specifically, set of cells 500 is lithium battery.
Specifically, single battery core includes a battery core or multiple same types and the battery core being sequentially connected in series.
Specifically, overcurrent protector 200 is fuse F1.Fuse F1 can adopt the protector of SFJ series.
Each single battery core in set of cells 500 is cascaded structure, because many factors such as raw material, production technology are caused respectively
The performance of single battery core will not be identical, therefore when set of cells 500 charges, if the charged state between each single battery core is lost
With or capacity, energy mismatch can affect the capacity of whole set of cells 500.For example during charging, due to partial monosomy battery core
Internal resistance increases, and the voltage of single battery core quickly reaches charging and limits voltage and continue to rise, and causes overcharge simultaneously with temperature
Rapid increase, and other most of single battery cores be although not reaching to charge limit voltage, but regular charger can because electricity
The total voltage of pond group 500 has reached charging and has limited voltage and complete charge.Especially, when the serious overcharge of certain single battery core, can
The danger such as blast can occur because of overheated.Based on this, these danger are avoided to occur using the method for equalizaing charge.Equilibrium is filled
The method of electricity can in balancing battery group 500 each single battery core voltage, make all single battery cores that there is same or like electricity
Pressure, all single battery cores when realizing that set of cells 500 charges limit voltage while reaching charging.The present invention is adopted and set of cells 500
Interior single battery core quantity identical charging module realizes the equalizaing charge of set of cells 500, is charged with improving the overall of set of cells 500
Saturation.
Battery protection module 100 detects the voltage of each single battery core, according to voltage data output control signal to rear class
Circuit, realizes battery protection, and it has additives for overcharge protection, over, overcurrent protection and short-circuit protection function.
Switch control module 300 is used for when set of cells 500 occurs overcharge or over-discharge situation, disconnects the battery being located
500 charge and discharge electric line of group, the connection of set of cells 500 and power supply or load is disconnected.
Overcurrent protector 200 disconnects the connection of set of cells 500 and power supply or load when line current is excessive, realizes short circuit
Protection.
Common interface module 400 provides the connecting interface of the embodiment of the present invention and regular charger.
Specifically, the positive pole of set of cells 500 connects the first end of overcurrent protector 200, the second end of overcurrent protector 200
The first end of connecting valve control module 300, the first of the second end connection universal interface module 400 of switch control module 300
End, the minus earth of set of cells 500.
Specifically, first control end of battery protection module 100, second control end and the 3rd control end difference connecting valve
3rd end of control module 300, the 4th end and the 5th end, the 4th control end connection universal interface mould of battery protection module 100
Second end of block 400.
Further, Fig. 2 shows a kind of circuit structure of battery system that the specific embodiment of the invention is provided, in order to
It is easy to explanation, illustrate only the part related to the specific embodiment of the invention, details are as follows：
The embodiment of the present invention is illustrated by taking the lithium battery of 4 economize on electricity core series connection as an example.
Specifically, the quantity of charging module is 4, and the quantity of single battery core is 4.
Specifically, battery protection module 100 includes：Battery protection chip U1, resistance R1, resistance R2, resistance R3, resistance
R4, resistance R5, resistance R6, resistance R11, electric capacity C1, electric capacity C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6 and electric capacity C19.
The charge control connection terminal COP of battery protection chip U1 is the second control end of battery protection module 100；Battery
The first voltage detection terminal VMP of protection chip U1 is the 3rd control end of battery protection module 100；Battery protection chip U1's
Control of discharge connection terminal DOP is first control end of battery protection module 100；The second voltage detection of battery protection chip U1
Terminal VINI is the 4th control end of battery protection module 100；The first capacitance connection terminal CDT of battery protection chip U1 and
Two capacitance connection terminal CCT connect respectively the first end of electric capacity C4 and the first end of electric capacity C5；The negative electricity of battery protection chip U1
Second end, the first end at second end, the first end of electric capacity C6 and resistance R11 of electric capacity C5 of pressure connection terminal VSS and electric capacity C4
Short circuit, the second end ground connection of resistance R11；The first hanging terminal NC and the second hanging terminal NC ' of battery protection chip U1 is hanging；
The first end of the switched terminal SEL connecting resistance R5 of battery protection chip U1；The control terminal CTL connecting resistances of battery protection chip U1
The first end of R4, the first end of the second terminating resistor R11 of resistance R4；The first positive voltage connection terminal of battery protection chip U1
VC4 connects the first end of electric capacity C19 and the first end of resistance R6 simultaneously, and second end of resistance R6 is battery protection module 100
First voltage connection end；The second positive voltage connection terminal VC3 of battery protection chip U1 connect simultaneously the first end of electric capacity C1 and
The first end of resistance R3, second end of resistance R3 is the second voltage connection end of battery protection module 100；Battery protection chip U1
The 3rd positive voltage connection terminal VC2 connect the first end of electric capacity C2 and the first end of resistance R2, second end of resistance R2 simultaneously
For the tertiary voltage connection end of battery protection module 100；The 4th positive voltage connection terminal VC1 of battery protection chip U1 connects simultaneously
The first end of electric capacity C3 and the first end of resistance R1 are connect, second end of resistance R1 connects for the 4th voltage of battery protection module 100
Connect end；The 5th positive voltage connection terminal VDD of battery protection chip U1 connect with second end of resistance R5, second end of electric capacity C6,
Second end of electric capacity C1, second end of electric capacity C2, second end of electric capacity C3, second end of electric capacity C19 connect resistance R1's jointly
Second end.
Further, battery protection chip U1 can be the lithium ion charge and discharge electrical chip of model S-8254.
Specifically, switch control module 300 includes：Diode Q1, diode Q2, first switch pipe Q8, second switch pipe
Q9, resistance R8, resistance R9, resistance R10, resistance R12, electric capacity C7 and electric capacity C8.
The source electrode of the first end, the negative electrode of diode Q1 and first switch pipe Q8 of electric capacity C7 is connected to altogether switch control module
300 first end, the first end of second termination capacitor C8 of electric capacity C7, the anode of diode Q1, the drain electrode of first switch pipe Q8,
The anode of diode Q2 and the drain electrode short circuit of second switch pipe Q9, second end of electric capacity C8, the negative electrode of diode Q2 and second open
The source electrode for closing pipe Q9 is connected to altogether the second end of switch control module 300, the first end of the grid connecting resistance R8 of first switch pipe Q8,
Second end of resistance R8 for switch control module 300 the 3rd end, the grid of second switch pipe Q9, the first end of resistance R10 and
The first end short circuit of resistance R12, second end of resistance R10 for switch control module 300 the 4th end, second end of resistance R12
The negative electrode of diode Q2 is connected to altogether with the first end of resistance R9, and second end of resistance R9 is the 5th end of switch control module 300.
Specifically, first switch pipe Q8 and second switch pipe Q9 are metal-oxide-semiconductor.
Specifically, common interface module 400 includes：Temperature sensor RT, resistance R7, resistance R13, electric capacity C9, electric capacity
C10, the first external interface P+, the second external interface T and the 3rd external interface P-.
The first end of electric capacity C9 and the first external interface P+ are connected to altogether the first end of common interface module 400, resistance R7's
First end connects the second end of common interface module 400, and the first end of resistance R13 connects the 3rd end of common interface module 400, electric capacity
The first end of second termination capacitor C10 of C9, second end at second end of electric capacity C10, second end of resistance R7 and resistance R13 is total to
The 3rd external interface P- is connected to, temperature sensor RT is connected between the second external interface T and the 3rd external interface P-.
Specifically, temperature sensor RT is critesistor.
Above-mentioned battery system is described further below in conjunction with operation principle：
As shown in Fig. 2 charging module C1～C4 and single battery core B1～B4 connect one to one, so as to realize set of cells
500 equalizaing charge.Battery protection chip U1 plays protective effect when set of cells 500 carries out normal charge or electric discharge.Battery
Group 500 carries out connecting external charger or load by common interface module 400 when normal charge or electric discharge.Battery protection chip
U1 detects the voltage and output control signal of each single battery core B1～B4 to switch control module 300 to control charge or discharge
The break-make of circuit.When the overtension of set of cells 500, the charge control connection terminal COP output letters of battery protection chip U1
Disconnect number second switch pipe Q9, that is, disconnect the connection of set of cells 500 and external charger.When the brownout of set of cells 500
When, the control of discharge connection terminal DOP output signals of battery protection chip U1 disconnect first switch pipe Q8, that is, disconnect set of cells
500 with the connection of external loading.
The embodiment of the present invention is by the circuit of integration realization equalizaing charge in battery system and the electricity for realizing normal charge
Road, with not only can normal charge but also can equalizaing charge function, solve in prior art exist cannot compatible conventional charger
Set of cells is charged problem with equalizing charger.Battery protection module 100 and switch control are set in the embodiment of the present invention
Molding block 300 ensure that the safety and reliability of battery system.
Presently preferred embodiments of the present invention is the foregoing is only, not to limit the present invention, all essences in the present invention
Any modification, equivalent and improvement made within god and principle etc., should be included within the scope of the present invention.
Claims (10)
1. multiple single battery cores are included in a kind of battery system, including set of cells and multiple charging modules, the set of cells, it is described
Charging module is identical with the quantity of the single battery core, and each described charging module is correspondingly to single battery core each described
Carry out equalizaing charge, it is characterised in that the battery system also includes：
Battery protection module, each voltage connection of the battery protection module is connecting respectively each described single battery core just
Pole, the battery protection module generates corresponding control signal according to the voltage of the single battery core；
Switch control module, the switch control module connects the battery protection module, and the switch control module is according to institute
State control signal and perform make-break operation；
Overcurrent protector, is connected between the set of cells and the switch control module, and the overcurrent protector is used for its institute
Circuit-line excessively stream when disconnect；
Common interface module, the first end of the common interface module connects the switch control module, the general-purpose interface mould
Second end of block connects the battery protection module, the 3rd end ground connection of the common interface module, the common interface module
For connecting external charger to be charged the set of cells.
2. a kind of battery system according to claim 1, it is characterised in that the set of cells is lithium battery group.
3. a kind of battery system according to claim 1, it is characterised in that the single battery core includes a battery core or many
Individual same type and the battery core being sequentially connected in series.
4. a kind of battery system according to claim 1, it is characterised in that the overcurrent protector is fuse.
5. a kind of battery system according to claim 1, it is characterised in that the quantity of the charging module is 4, described
The quantity of single battery core is 4.
6. a kind of battery system according to claim 5, it is characterised in that the battery protection module includes：
Battery protection chip, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, resistance R6, resistance R11, electric capacity C1, electricity
Hold C2, electric capacity C3, electric capacity C4, electric capacity C5, electric capacity C6 and electric capacity C19；
The charge control connection terminal of the battery protection chip is the second control end of battery protection module；The battery protection
The first voltage detection terminal of chip is the 3rd control end of battery protection module；The control of discharge of the battery protection chip connects
Connecting terminal is first control end of battery protection module；The second voltage detection terminal of the battery protection chip is battery protection
4th control end of module；The first capacitance connection terminal and the second capacitance connection terminal of the battery protection chip connects respectively
The first end of the first end of the electric capacity C4 and the electric capacity C5；The negative voltage connection terminal of the battery protection chip with it is described
The first end of second end of electric capacity C4, second end of the electric capacity C5, the first end of the electric capacity C6 and the resistance R11 is short
Connect, the second end ground connection of the resistance R11；First hanging terminal of the battery protection chip and the second free end fullness over the chest during pregnancy are empty；
The switched terminal of the battery protection chip connects the first end of the resistance R5；The control terminal of the battery protection chip meets institute
State the first end of resistance R4, the first end of the second termination resistance R11 of the resistance R4；The of the battery protection chip
One positive voltage connection terminal connects the first end of the electric capacity C19 and the first end of the resistance R6 simultaneously, the resistance R6's
Second end is the first voltage connection end of the battery protection module；Second positive voltage connection terminal of the battery protection chip
Connect the first end of the electric capacity C1 and the first end of the resistance R3 simultaneously, second end of the resistance R3 is battery guarantor
The second voltage connection end of shield module；3rd positive voltage connection terminal of the battery protection chip connects the electric capacity C2 simultaneously
First end and the resistance R2 first end, second end of the resistance R2 is that the tertiary voltage of the battery protection module connects
Connect end；4th positive voltage connection terminal of the battery protection chip connects the first end and the resistance of the electric capacity C3 simultaneously
The first end of R1, second end of the resistance R1 is the 4th voltage connection of the battery protection module；The battery protection
5th positive voltage connection terminal of chip connect with second end of resistance R5, second end of the electric capacity C6, the electric capacity C1
Two ends, second end of the electric capacity C2, second end of the electric capacity C3, second end of the electric capacity C19 connect the electricity jointly
Second end of resistance R1.
7. a kind of battery system according to claim 1, it is characterised in that the switch control module includes：
Diode Q1, diode Q2, first switch pipe, second switch pipe, resistance R8, resistance R9, resistance R10, resistance R12, electricity
Hold C7 and electric capacity C8；
The source electrode of the first end of the electric capacity C7, the negative electrode of the diode Q1 and the first switch pipe is connected to altogether on-off control
The first end of module, the first end of the second termination electric capacity C8 of the electric capacity C7, the anode of the diode Q1, described the
The drain electrode short circuit of the drain electrode of one switching tube, the anode of the diode Q2 and the second switch pipe, the second of the electric capacity C8
End, the source electrode of the negative electrode of the diode Q2 and the second switch pipe are connected to altogether the second end of switch control module, and described the
The grid of one switching tube connects the first end of the resistance R8, and second end of the resistance R8 is the 3rd end of switch control module,
The first end short circuit of the grid of the second switch pipe, the first end of the resistance R10 and the resistance R12, the resistance R10
The second end for switch control module the 4th end, the first end of second end of the resistance R12 and the resistance R9 is connected to altogether
The negative electrode of the diode Q2, second end of the resistance R9 is the 5th end of switch control module.
8. a kind of battery system according to claim 7, it is characterised in that the first switch pipe and the second switch
Pipe is metal-oxide-semiconductor.
9. a kind of battery system according to any one of claim 1 to 8, it is characterised in that the common interface module bag
Include：
Temperature sensor, resistance R7, resistance R13, electric capacity C9, electric capacity C10, the first external interface, the second external interface and the 3rd
External interface；
The first end of the electric capacity C9 and first external interface are connected to altogether the first end of the common interface module, the electricity
Second end of the first termination common interface module of resistance R7, the first termination common interface module of the resistance R13
The 3rd end, the first end of the second termination electric capacity C10 of the electric capacity C9, second end of the electric capacity C10, the resistance
Second end of second end of R7 and the resistance R13 is connected to altogether the 3rd external interface, and the temperature sensor is connected to institute
State between the second external interface and the 3rd external interface.
10. a kind of battery system according to claim 1, it is characterised in that the temperature sensor is critesistor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107906.7A CN106655412A (en) | 2017-02-27 | 2017-02-27 | Battery system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710107906.7A CN106655412A (en) | 2017-02-27 | 2017-02-27 | Battery system |
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| Publication Number | Publication Date |
|---|---|
| CN106655412A true CN106655412A (en) | 2017-05-10 |
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ID=58847764
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|---|---|---|---|
| CN201710107906.7A Pending CN106655412A (en) | 2017-02-27 | 2017-02-27 | Battery system |
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| CN (1) | CN106655412A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110058166A (en) * | 2018-01-19 | 2019-07-26 | 江苏兴云新能源有限公司 | Battery test system |
| CN112421716A (en) * | 2020-11-09 | 2021-02-26 | 西南交通大学 | Battery pack balance control circuit and method based on wireless charger |
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| CN112421716A (en) * | 2020-11-09 | 2021-02-26 | 西南交通大学 | Battery pack balance control circuit and method based on wireless charger |
| CN112421716B (en) * | 2020-11-09 | 2022-08-19 | 西南交通大学 | Battery pack equalization control circuit and method based on wireless charger |
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