CN107681739A - A kind of warehouse style circuit of battery bag and its online equalization methods - Google Patents
A kind of warehouse style circuit of battery bag and its online equalization methods Download PDFInfo
- Publication number
- CN107681739A CN107681739A CN201711061330.1A CN201711061330A CN107681739A CN 107681739 A CN107681739 A CN 107681739A CN 201711061330 A CN201711061330 A CN 201711061330A CN 107681739 A CN107681739 A CN 107681739A
- Authority
- CN
- China
- Prior art keywords
- battery
- team
- msub
- battery pack
- mrow
- 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.)
- Granted
Links
Classifications
-
- 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
- H02J7/0016—Circuits for equalisation of charge between batteries using shunting, discharge or bypass circuits
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
- Secondary Cells (AREA)
Abstract
The invention discloses a kind of warehouse style circuit of battery bag and its online equalization methods, including multiple battery packs, multiple battery teams are divided into two teams, respectively the first battery team and the second battery team, and the first battery team is identical with the number of battery pack in the second battery team；Each battery pack in first battery team is sequentially connected in series；The each battery pack being directed in the second battery team, its one end is by one end of each battery pack in the first battery team of the corresponding connection of multiple first switch pipes, the other end that its other end passes through each battery pack in the first battery team of the corresponding connection of multiple second switch pipes；The break-make control terminal of each first switch pipe and each second switch pipe connects controller respectively, and the break-make of each first switch pipe and each second switch pipe is controlled by controller.The present invention realizes the reconstruct to each battery pack in the first battery team and each battery pack parallel relationship of the second battery team by controller, so as to fast and accurately realize the balancing energy of each battery bag.
Description
Technical field
The present invention relates to the technical field of energy-storage battery group management, the warehouse style circuit of more particularly to a kind of battery bag and its
Line equalization methods.
Background technology
Lithium battery group energy storage technology is an important branch in energy storage technology, and Li-ion batteries piles have energy density
Greatly, self discharge it is small, without memory effect, operating temperature range it is wide, can fast charging and discharging, service life it is long, without environmental pollution
The advantages that, it is referred to as green battery group.But how lithium battery group is managed, and if the battery bag that is made up of dry cell batteries of management
As it is new the problem of, for extensive retired power battery pack, the equilibrium of battery bag internal resistance is for series electrical
Chi Bao operating efficiency and safety plays very important effect, unbalanced for a long time that the whole battery bag life-span can be caused to contract
It is short, have a strong impact on that energy during composition large-scale energy storage device uses.Existing battery pack equilibrium method has resistance consumption balanced
Method, switching capacity method, switched inductors method etc., but the above method has the shortcomings that obvious, and resistance consumption equalization energy expenditure is big,
Electric discharge, which can only be carried out, to monomer to charge, and other batteries monomers will could be realized by standard of minimum monomer
Weighing apparatus, efficiency are low；Switching capacity method is because energy transmits one by one, therefore time for balance is longer；Switched inductors method is with batteries monomer
Equilibrium could be realized for standard, and efficiency is low.
The content of the invention
The shortcomings that the first object of the present invention is to overcome prior art and deficiency, there is provided one kind is simple in construction, cost is low
The warehouse style circuit of battery bag, the circuit can realize the balancing energy of each battery pack in battery team.
The second object of the present invention is to provide a kind of online equalization methods of the warehouse style circuit of above-mentioned battery bag, this method
The balancing energy of each battery pack in battery team is realized by the control to the warehouse style circuit of battery bag.
The first object of the present invention is achieved through the following technical solutions：A kind of warehouse style circuit of battery bag, including multiple electricity
Pond group, the multiple battery team are divided into two teams, respectively the first battery team and the second battery team, wherein the first battery team and
The number of battery pack is identical in two battery teams；Each battery pack in the first battery team is sequentially connected in series；
The each battery pack being wherein directed in the second battery team, its one end connect multiple first switch pipes, passed through respectively
One end of each battery pack, its other end connect multiple second switches respectively in the first battery team of the corresponding connection of multiple first switch pipes
Pipe, pass through the other end of each battery pack in the first battery team of the corresponding connection of multiple second switch pipes；
The break-make control terminal of each first switch pipe and each second switch pipe connects controller respectively, is controlled by controller
The break-make of each first switch pipe and each second switch pipe, so as to control each of each battery pack and the second battery team in the first battery team
The corresponding parallel relationship of battery pack.
Preferably, each battery pack being directed in the second battery team, its other end are connected more respectively by first resistor
Individual second switch pipe；The first resistor both ends are parallel with the 3rd switching tube.
Further, the first switch pipe, second switch pipe and the 3rd switching tube are metal-oxide-semiconductor；Wherein second electricity
Each battery pack in the team of pond, its one end connect the source electrode of multiple first switch pipes respectively, pass through the leakage of multiple first switch pipes
Pole is connected to one end of each battery pack in the first battery team, and its other end connects multiple second switch pipes by first resistor respectively
Source electrode, the other end of each battery pack in the first battery team is connected to by the drain electrode of multiple second switch pipes；
3rd switching tube is connected respectively the both ends of first resistor by its drain electrode and source electrode, is specially：First
One end that resistance is connected with multiple second switch pipes connects the source electrode of the 3rd switching tube, and the other end connects the leakage of the 3rd switching tube
Pole；
The grid of the first switch pipe, second switch pipe and the 3rd switching tube connects controller respectively, by controller control
The break-make of first switch pipe processed, second switch pipe and the 3rd switching tube.
Preferably, each battery pack other end is connected to fuse in the first battery team, each in the first battery team
Battery pack passes through other battery packs in the first battery team of fuse series connection；The each battery being wherein directed in the second battery team
Group, its one end connect multiple first switch pipes respectively, pass through each battery in the first battery team of the corresponding connection of multiple first switch pipes
One end of group, its other end connect multiple second switch pipes respectively, pass through the first battery team of the corresponding connection of multiple second switch pipes
In the fuse that is connected of each battery pack other end, the other end of each battery pack in the first battery team is connected to by fuse.
Further, in addition to constant-current supply and battery information sampler, the both ends of the constant-current supply are right respectively
The both ends of the circuit formed after should being sequentially connected in series with each battery pack in the first battery team are connected；Each battery pack of first battery team
Batteries in parallel connection intelligence sample device after being connected with fuse, by each battery pack in the first battery of battery information samplers sample team and
Voltage on its fuse connected；The battery information sampler connects controller, controls it to carry out electricity by controller
Press the time of sampling work.
Preferably, including 6 battery packs, wherein including 3 battery packs in the first battery team and the second battery team respectively, its
In be directed to each battery pack in the second battery team, its one end connects 3 first switch pipes, passes through 3 first switches respectively
One end of 3 battery packs, its other end connect 3 second switch pipes respectively in the first battery team of the corresponding connection of pipe, pass through 3 the
The other end of 3 battery packs in the second battery team of the corresponding connection of two switching tubes.
The second object of the present invention is achieved through the following technical solutions：A kind of warehouse style circuit of battery bag described above
Online equalization methods, it is characterised in that step is as follows：
Step S1, the internal resistance distribution situation of each battery pack in the first battery team and the second battery team is calculated respectively；
Step S2, it is distributed according to the internal resistance of each battery pack in the first battery team and the second battery team calculated in step S1
Situation, each battery pack and each battery pack institute's shape under every kind of parallel relationship in the second battery team in the first battery team are calculated respectively
Into each battery bag internal resistance, then calculate the deviation square of each battery bag internal resistance, finally compare each electricity in the first battery team
The sum of square of deviations for each battery bag internal resistance that pond group obtains with each battery pack in the second battery team under every kind of parallel relationship, choose
Go out minimum value；A battery is obtained after a battery pack is in parallel with a battery pack in the second battery team in wherein the first battery team
Bag；
Step S3, by first corresponding to the sum of square of deviations for each battery bag internal resistance of minimum value obtained in step S2
Each battery pack internal resistance strategy balanced with the parallel relationship conduct minimum of each battery pack in the second battery team in battery team；
Step S4, controller controls each battery pack and the second electricity in the first battery team according to balanced internal resistance strategy is minimized
Parallel relationship corresponding to each battery pack realization in the team of pond.
Preferably, each battery pack one end is connected to fuse in the first battery team, each battery pack in the first battery team
Pass through other battery packs in the first battery team of fuse series connection；The each battery pack being wherein directed in the second battery team, its
One end connects multiple first switch pipes respectively, passes through one of each battery pack in the first battery team of the corresponding connection of multiple first switch pipes
End, its other end connect multiple second switch pipes respectively, pass through each electricity in the first battery team of the corresponding connection of multiple second switch pipes
The fuse that the other end of pond group is connected, the other end of each battery pack in the first battery team is connected to by fuse；
The each battery pack being directed in the second battery team, its other end are connected multiple second by first resistor and opened respectively
Guan Guan；The first resistor both ends are parallel with the 3rd switching tube；
In the step S1, the tool of the internal resistance distribution situation of each battery pack in the first battery team and the second battery team is calculated
Body step is as follows：
Step S11, the internal resistance of each battery pack in the first battery team is calculated：First controller control each first switch pipe and
Each second switch pipe disconnects；Then the circuit both ends that each battery pack in the first battery team is formed after being sequentially connected in series correspond to respectively
Connect the both ends of constant-current supply；The electricity in each battery pack and its fuse connected in the first battery team is finally gathered respectively
Pressure, the constant electricity exported according to the voltage in each battery pack in the first battery team and its fuse connected and constant-current supply
Stream, the internal resistance of each battery pack in the first battery team is calculated by Ohm's law：
ri1=Ui/Iset-cur-Rifu；I=1,2,3 ..., N；
Wherein ri1For the internal resistance of i-th of battery pack in the first battery team；UiFor i-th of electricity in the first battery team for collecting
Voltage in pond group and its fuse connected；RifuThe resistance of the fuse connected by i-th of battery pack in the first battery team
Value, N are the sum of battery pack in the first battery team；Iset-curFor the constant current of constant-current supply output；
Step S12, the internal resistance of each battery pack in the second battery team is calculated：Controller is by controlling each first switch first
The break-make situation of pipe and each second switch pipe so that each battery pack in its second battery team respectively with it is each in the first battery team
Battery pack is in parallel one by one；Then each battery pack being directed in the first battery team, the battery pack and its guarantor connected are gathered
Voltage on dangerous silk, the constant electricity exported according to the voltage in the battery pack and its fuse connected and constant-current supply
Stream, total electricity of the corresponding battery pack parallel connection institute built-up circuit in the battery pack and the second battery team is calculated by Ohm's law
Resistance；The fuse resistance and the circuit finally connected according to the all-in resistance of the circuit, the internal resistance of the battery pack, the battery pack
The ohmer of middle switching tube calculates the internal resistance of the corresponding battery pack of the second battery team in parallel with the battery pack in the circuit；
The all-in resistance of corresponding battery pack parallel connection institute built-up circuit wherein in the battery pack and the second battery team is：
Rik=Ui/Iset-cur；I=1,2,3 ..., N, k=1,2,3 ..., M；
RikBy k-th of battery pack circuit in parallel formed in i-th of battery pack in the second battery team and the second battery team
All-in resistance；M be the second battery team in battery pack sum, wherein M=N；
The internal resistance of the corresponding battery pack of the second battery team in parallel with the battery pack is wherein in the circuit：
rk2=(ri1+Rifu)*Rik/((ri1+Rifu)-Rik)-3Rkmos；I=1,2,3 ..., N, k=1,2,3 ..., M；
Wherein rk2For the internal resistance of k-th of battery pack in the second battery team, RkmosFor k-th of battery pack two in the second battery team
The resistance of the connected first switch pipe in end, second switch pipe and the 3rd switching tube；Wherein when i-th of battery in the first battery team
In group and the second battery team during k-th of battery pack parallel connection, one end of k-th of battery pack passes through first switch pipe in the second battery team
Connect one end of i-th of battery pack in the first battery team, the other end of k-th of battery pack passes sequentially through the 3rd in the second battery team
The other end of i-th of battery pack in the first battery team is connected after switching tube and second switch pipe.
Preferably, in the step S2, in the first battery team each battery pack with each battery pack in the second battery team every kind of
Under parallel relationship, the internal resistance of each battery bag formed is：
…
k1≠k2≠k3,...,≠kN；
Wherein X1k1What is represented is the 1st battery pack and kth in the second battery team in the first battery team1Individual battery pack is in parallel
When the internal resistance of battery bag that is formed；r11For the internal resistance of the 1st battery pack in the first battery team；For kth in the second battery team1
The internal resistance of individual battery pack；
Wherein X2k2What is represented is the 2nd battery pack and kth in the second battery team in the first battery team2Individual battery pack is in parallel
When the internal resistance of battery bag that is formed；r21For the internal resistance of the 2nd battery pack in the first battery team；For kth in the second battery team2
The internal resistance of individual battery pack；
Wherein X3k3What is represented is the 3rd battery pack and kth in the second battery team in the first battery team3Individual battery pack is in parallel
When the internal resistance of battery bag that is formed；r31For the internal resistance of the 3rd battery pack in the first battery team；For kth in the second battery team3
The internal resistance of individual battery pack；
By that analogy, wherein XNkMWhat is represented is n-th battery pack and kth in the second battery team in the first battery teamMIndividual electricity
The internal resistance of the battery bag formed during the group parallel connection of pond；rN1For the internal resistance of n-th battery pack in the first battery team；For the second battery
Kth in teamMThe internal resistance of individual battery pack；
Wherein N be the first battery team in battery pack sum, M be the second battery team in battery pack sum, wherein M=N；
In the step S2, be directed in the first battery team in each battery pack and the second battery team each battery pack it is every kind of simultaneously
Under connection relation, the sum of square of deviations of each battery bag internal resistance formed calculatedFor：
Wherein k1≠k2≠k3,...,≠kN；k1=1,2,3 ..., M；k2=1,2,3 ..., M；k3=1,2,3 ...,
M ..., kM=1,2,3 ..., M.
Further, the sum of square of deviations minimum value of each battery bag internal resistance is in the step S2：
k1≠k2≠k3,...,≠kN；
k1=1,2,3 ..., M；
k2=1,2,3 ..., M；
k3=1,2,3 ..., M；
…
kM=1,2,3 ..., M.
The present invention is had the following advantages relative to prior art and effect：
(1) the warehouse style circuit of battery bag of the present invention, including multiple battery packs, plurality of battery pack are divided into battery pack quantity
Identical two teams, respectively the first battery team and the second battery team；Each battery pack in first battery team is sequentially connected in series；It is directed to
Each battery pack in second battery team, its one end connect multiple first switch pipes respectively, corresponding by multiple first switch pipes
One end of each battery pack in the first battery team is connected, its other end connects multiple second switch pipes respectively, is opened by multiple second
Close the other end of each battery pack in the first battery team of the corresponding connection of pipe；The break-make of each first switch pipe and each second switch pipe controls
End connects controller respectively.The warehouse style circuit of battery bag of the present invention can be realized to each first switch pipe and each the by controller
The break-make of two switching tubes is controlled, so as to get each battery pack and each battery pack phase of the second battery team in the first battery team
The parallel relationship answered, realize the balancing energy of each battery bag.The warehouse style circuit of the battery bag has simple in construction and cost low
The advantages of.
(2) in the online equalization methods of the warehouse style circuit of battery bag of the present invention, calculate respectively first the first battery team and
The internal resistance distribution situation of each battery pack in second battery team；Then each battery pack and the second battery team in the first battery team are calculated
In the internal resistance of each battery bag that is formed under every kind of parallel relationship of each battery pack, and calculate the deviation of each battery bag internal resistance
Square, compare each battery pack and each battery bag of each battery pack under every kind of parallel relationship in the second battery team in the first battery team
The sum of square of deviations of internal resistance, wherein minimum one is selected, by the sum of square of deviations of one of the minimum each battery bag internal resistance
In the first corresponding battery team each battery pack with the second battery team each battery pack parallel relationship as minimum it is balanced in
Resistance strategy；Controller according to balanced internal resistance strategy is minimized, control in the first battery team each battery pack with it is each in the second battery team
Parallel relationship corresponding to battery pack realization.From the foregoing, the inventive method is according to each in the first battery team and the second battery team
The internal resistance distribution situation of battery pack, which can finally be got, minimizes balanced internal resistance strategy, and balanced internal resistance plan is minimized getting
After slightly, annexation of the controller according to the balanced internal resistance strategy of minimum to each battery pack in the first battery team and the second battery team
It is reconstructed, obtains minimizing each battery pack and each electricity in the second battery team in the first battery team corresponding to balanced internal resistance strategy
The parallel relationship of pond group, so as to realize the equilibrium of battery bag internal resistance, therefore the inventive method can fast and accurately realize electricity
Chi Bao online equilibrium, solve each battery bag and there may be the unequal problem of internal resistance, be easy to control energy-storage battery group discharge and recharge
When state and parameter.
Brief description of the drawings
Fig. 1 is the circuit diagram of the warehouse style circuit of battery bag of the present invention.
Fig. 2 is the inventive method flow chart.
Embodiment
With reference to embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are unlimited
In this.
Embodiment
Present embodiment discloses a kind of warehouse style circuit of battery bag, including multiple battery packs, multiple battery packs are divided into battery
Two groups of group quantity identical, respectively the first battery team and the second battery team；Each battery pack in first battery team is sequentially connected in series；
It is made up of in wherein each battery pack one or more cells.
The each battery pack being wherein directed in the second battery team, its one end connect multiple first switch pipes, passed through respectively
One end of each battery pack, its other end connect multiple second switches respectively in the first battery team of the corresponding connection of multiple first switch pipes
Pipe, pass through the other end of each battery pack in the first battery team of the corresponding connection of multiple second switch pipes；Each first switch pipe and each
The break-make control terminal of two switching tubes connects controller respectively, and the logical of each first switch pipe and each second switch pipe is controlled by controller
It is disconnected, so as to control the corresponding parallel relationship of each battery pack and each battery pack of the second battery team in the first battery team, wherein first
A battery bag is formed after a battery pack is in parallel with a battery pack in the second battery team in battery team.In the present embodiment,
Controller can be single-chip microcomputer.
In the present embodiment, each battery pack being directed in the second battery team, its other end are distinguished by first resistor
Connect multiple second switch pipes；The first resistor both ends are parallel with the 3rd switching tube, by first resistor and the 3rd switching tube structure
Into preventing rush of current circuit.
In the present embodiment, first switch pipe, second switch pipe and the 3rd switching tube are metal-oxide-semiconductor, wherein can be
PMOS, or NMOS tube；Each battery pack in wherein the second battery team, its one end connect multiple first switches respectively
The source electrode of pipe, one end of each battery pack in the first battery team is connected to by the drain electrode of multiple first switch pipes, its other end leads to
The source electrode that first resistor connects multiple second switch pipes respectively is crossed, the first battery is connected to by the drain electrode of multiple second switch pipes
The other end of each battery pack in team；
3rd switching tube is connected respectively the both ends of first resistor by its drain electrode and source electrode；Specially：First resistor
The one end being connected with multiple second switch pipes connects the source electrode of the 3rd switching tube, and the other end connects the drain electrode of the 3rd switching tube；
In the present embodiment, the grid of first switch pipe, second switch pipe and the 3rd switching tube connects controller respectively, by controlling
Device processed controls the break-make of first switch pipe, second switch pipe and the 3rd switching tube.
In the present embodiment, connected between each battery pack and other battery packs in the first battery team by fuse；
Under the above situation, each battery pack for being directed in the second battery team, its one end connects multiple first switch pipes respectively, by more
One end of each battery pack, its other end connect multiple second switches respectively in the first battery team of the corresponding connection of individual first switch pipe
Pipe, the fuse connected by each battery pack other end in the first battery team of the corresponding connection of multiple second switch pipes, passes through guarantor
Dangerous silk is connected to the other end of each battery pack in the first battery team.
In the present embodiment, the warehouse style circuit of battery bag also includes constant-current supply and battery information sampler, Constant Electric Current
The both ends in source correspond to respectively be sequentially connected in series with each battery pack in the first battery team after the circuit both ends that are formed be connected；First battery
Batteries in parallel connection intelligence sample device after each battery pack of team is connected with fuse, controller is connected by electric battery information sampler,
Control it to carry out the time of voltage sample work by controller, i.e., give battery information sampler when controller sends sampling instruction
When, the voltage in battery information sampler samples battery pack and its fuse connected, and obtained voltage will be sampled and passed
Give controller.
It is as shown in Figure 1 the circuit diagram when the warehouse style circuit of battery bag includes 6 battery packs, wherein in the first battery team
Including three battery packs D11, D21 and D31；Battery pack D11, D21 and D31 are sequentially connected in series, and in battery pack D11, D21 and
D31 one end has been connected respectively fuse FU1, FU2 and FU13, i.e. battery pack D11 passes through fuse FU1 connection battery packs
D21, battery pack D21 pass through fuse FU2 connection battery packs D31.Wherein the second battery team includes three battery packs D12, D22
And D32.As shown in figure 1, the both ends for defining battery pack D11 are respectively a ends and a1 ends, battery pack D21 both ends be respectively b ends and
B1 ends, battery pack D31 both ends are respectively c ends and c1 ends；Wherein battery pack D11 a1 ends pass through fuse FU1 connection batteries
Group D21 b ends；The c ends that battery pack D21 b1 ends pass through fuse FU2 connection electronics D31；Battery pack D31 c1 ends connection is protected
Dangerous silk FU3 one end, the fuse FU3 other end are defined as d ends.
As shown in figure 1, being directed to the battery pack D12 in the second battery team, its one end connects 3 first switch pipes respectively
K11, k12 and k13, by 3 battery pack D11 in the first battery teams of the corresponding connection of 3 first switch pipes k11, k12 and k13,
D21 and D31 one end, i.e. a ends, b ends and c ends, its other end connect 3 second by a 3rd switching tube K1 and opened respectively
Pipe k11*, k12* and k13* are closed, passes through 3 electricity in the second battery team of the corresponding connection of 3 second switch pipes k11*, k12* and k13*
Pond group D11, D21 and D31 other end fuse FU1, FU2 and FU3, i.e. b ends, c ends and d ends, to pass through fuse FU1, FU2
The other end of 3 battery packs D11, D21 and D31 in the second battery team, i.e. a1 ends, b1 ends and c1 ends are connected to FU3, wherein the
Second resistance R1 is connected between three switching tube K1 drain electrode and source electrode.
As shown in figure 1, being directed to the battery pack D22 in the second battery team, its one end connects 3 first switch pipes respectively
K21, k22 and k23, by 3 battery pack D11 in the first battery teams of the corresponding connection of 3 first switch pipes k21, k22 and k23,
D21 and D31 one end, i.e. a ends, b ends and c ends, its other end connect 3 second switches respectively by a low three switches K2
Pipe k21*, k22* and k23*, pass through 3 batteries in the second battery team of the corresponding connection of 3 second switch pipes k21*, k22* and k21*
Group D11, D21 and D31 other end fuse FU1, FU2 and FU3, i.e. b ends, c ends and d ends, with by fuse FU1, FU2 and
FU3 is connected to the other end of 3 battery packs D11, D21 and D31 in the second battery team, i.e. a1 ends, b1 ends and c1 ends, wherein the 3rd
Second resistance R2 is connected between switching tube K2 drain electrode and source electrode.
As shown in figure 1, being directed to the battery pack D32 in the second battery team, its one end connects 3 first switch pipes respectively
K31, k32 and k33, by 3 battery pack D11 in the first battery teams of the corresponding connection of 3 first switch pipes k31, k32 and k33,
D21 and D31 one end, i.e. a ends, b ends and c ends, its other end connect 3 second by a 3rd switching tube K3 and opened respectively
Pipe k31*, k32* and k33* are closed, passes through 3 electricity in the second battery team of the corresponding connection of 3 second switch pipes k31*, k32* and k33*
Pond group D11, D21 and D31 other end fuse FU1, FU2 and FU3, i.e. b ends, c ends and d ends, to pass through fuse FU1, FU2
The other end of 3 battery packs D11, D21 and D31 in the second battery team, i.e. a1 ends, b1 ends and c1 ends are connected to FU3, wherein the
Second resistance R3 is connected between three switching tube K3 drain electrode and source electrode.
The warehouse style circuit of the present embodiment battery bag as shown in Figure 1 is directed to, the is neutralized when needing to detect the first battery team
In two battery teams during the internal resistance of each battery pack, the both ends of constant-current supply connect the electricity after each battery pack series connection of the first battery team respectively
Road both ends, i.e. a ends and d ends, when needing to gather in the first battery team the voltage on battery pack D11 and its fuse of connection,
Battery information sampler both ends are connected into a ends and b ends respectively；Controller will sample instruction and send to battery every preset time to be believed
Sampler is ceased, battery information sampler receives battery pack D11 and its guarantor of connection in sampling instruction the first battery of post-sampling team
Voltage on dangerous silk.
The present embodiment also discloses a kind of online equalization methods of the warehouse style circuit of above-mentioned battery bag, as shown in Fig. 2 step
It is as follows：
Step S1, the internal resistance distribution situation of each battery pack in the first battery team and the second battery team is calculated respectively；Wherein
In this step of the present embodiment, the tool of the internal resistance distribution situation of each battery pack in the first battery team and the second battery team is calculated
Body step is as follows：
Step S11, the internal resistance of each battery pack in the first battery team is calculated：First controller control each first switch pipe and
Each second switch pipe disconnects；Then the circuit both ends that each battery pack in the first battery team is formed after being sequentially connected in series are right respectively
The both ends of constant-current supply should be connected；The electricity in each battery pack and its fuse connected in the first battery team is finally gathered respectively
Pressure, the constant electricity exported according to the voltage in each battery pack in the first battery team and its fuse connected and constant-current supply
Stream, the internal resistance of each battery pack in the first battery team is calculated by Ohm's law：
ri1=Ui/Iset-cur-Rifu；I=1,2,3 ..., N；
Wherein ri1For the internal resistance of i-th of battery pack in the first battery team；UiFor i-th of electricity in the first battery team for collecting
Voltage in pond group and its fuse connected；RifuThe resistance of the fuse connected by i-th of battery pack in the first battery team
Value, N are the sum of battery pack in the first battery team；Iset-curFor the constant current of constant-current supply output；
Step S12, the internal resistance of each battery pack in the second battery team is calculated：Controller is by controlling each first switch first
The break-make situation of pipe and each second switch pipe so that each battery pack in its second battery team respectively with it is each in the first battery team
Battery pack is in parallel one by one；Then each battery pack being directed in the first battery team, the battery pack and its guarantor connected are gathered
Voltage on dangerous silk, the constant electricity exported according to the voltage in the battery pack and its fuse connected and constant-current supply
Stream, total electricity of the corresponding battery pack parallel connection institute built-up circuit in the battery pack and the second battery team is calculated by Ohm's law
Resistance；The fuse resistance and the circuit finally connected according to the all-in resistance of the circuit, the internal resistance of the battery pack, the battery pack
The ohmer of middle switching tube calculates the internal resistance of the corresponding battery pack of the second battery team in parallel with the battery pack in the circuit；
The all-in resistance of corresponding battery pack parallel connection institute built-up circuit wherein in the battery pack and the second battery team is：
Rik=Ui/Iset-cur；I=1,2,3 ..., N, k=1,2,3 ..., M；
RikBy k-th of battery pack circuit in parallel formed in i-th of battery pack in the second battery team and the second battery team
All-in resistance；M is the sum of battery pack in the second battery team, wherein M=N, is stored in a warehouse in the present embodiment battery bag as shown in Figure 1
In formula circuit, M=N=3；
The internal resistance of the corresponding battery pack of the second battery team in parallel with the battery pack is wherein in the circuit：
rk2=(ri1+Rifu)*Rik/((ri1+Rifu)-Rik)-3Rkmos；I=1,2,3 ..., N, k=1,2,3 ..., M；
Wherein rk2For the internal resistance of k-th of battery pack in the second battery team, RkmosFor k-th of battery pack two in the second battery team
The resistance of the connected first switch pipe in end, second switch pipe and the 3rd switching tube；Wherein when i-th of battery in the first battery team
In group and the second battery team during k-th of battery pack parallel connection, one end of k-th of battery pack passes through first switch pipe in the second battery team
Connect one end of i-th of battery pack in the first battery team, the other end of k-th of battery pack passes sequentially through the 3rd in the second battery team
The other end of i-th of battery pack in the first battery team is connected after switching tube and second switch pipe.
Step S2, it is distributed according to the internal resistance of each battery pack in the first battery team and the second battery team calculated in step S1
Situation, each battery pack and each battery pack institute's shape under every kind of parallel relationship in the second battery team in the first battery team are calculated respectively
Into each battery bag internal resistance, then calculate the deviation square of each battery bag internal resistance, finally compare each electricity in the first battery team
The sum of square of deviations for each battery bag internal resistance that pond group obtains with each battery pack in the second battery team under every kind of parallel relationship, choose
Go out minimum value.A battery is obtained after a battery pack is in parallel with a battery pack in the second battery team in wherein the first battery team
Bag, the first battery team and the second battery team include N number of battery pack in the present embodiment, thus in the first battery team each battery pack and
Each battery pack forms N number of battery bag altogether under every kind of parallel relationship in second battery team.Each battery in wherein the first battery team
Organize with each battery pack in the second battery team and be under every kind of parallel relationship：Each battery pack and the second battery team in first battery team
In each battery pack be in parallel one by one.
In this step of the present embodiment, in the first battery team each battery pack with each battery pack in the second battery team every kind of
Under parallel relationship, the internal resistance of each battery bag formed is：
…
k1≠k2≠k3,...,≠kN；
Wherein X1k1What is represented is the 1st battery pack and kth in the second battery team in the first battery team1Individual battery pack is in parallel
When the internal resistance of battery bag that is formed；r11For the internal resistance of the 1st battery pack in the first battery team；For kth in the second battery team1
The internal resistance of individual battery pack；
Wherein X2k2What is represented is the 2nd battery pack and kth in the second battery team in the first battery team2Individual battery pack is in parallel
When the internal resistance of battery bag that is formed；r21For the internal resistance of the 2nd battery pack in the first battery team；For kth in the second battery team2
The internal resistance of individual battery pack；
Wherein X3k3What is represented is the 3rd battery pack and kth in the second battery team in the first battery team3Individual battery pack is in parallel
When the internal resistance of battery bag that is formed；r31For the internal resistance of the 3rd battery pack in the first battery team；For kth in the second battery team3
The internal resistance of individual battery pack；
By that analogy, wherein XNkMWhat is represented is n-th battery pack and kth in the second battery team in the first battery teamMIndividual electricity
The internal resistance of the battery bag formed during the group parallel connection of pond；rN1For the internal resistance of n-th battery pack in the first battery team；For the second battery
Kth in teamMThe internal resistance of individual battery pack；
Wherein N be the first battery team in battery pack sum, M be the second battery team in battery pack sum, wherein M=N；
k1≠k2≠k3,...,≠kNRepresent the battery pack of the second battery centering that each battery pack is in parallel in the first battery team not
It is identical, i.e. each battery pack position parallel relationship one by one in each battery pack and the second battery team in the first battery team.
In this step, it is directed in the first battery team each battery pack and each battery pack in the second battery team and in parallel is closed every kind of
Under system, the sum of square of deviations of each battery bag internal resistance formed calculatedFor：
Wherein k1≠k2≠k3,...,≠kN；k1=1,2,3 ..., M；k2=1,2,3 ..., M；k3=1,2,3 ...,
M ..., kM=1,2,3 ..., M.
The present embodiment, in this step, the sum of square of deviations minimum value of each battery bag internal resistance is：
k1≠k2≠k3,...,≠kN；
k1=1,2,3 ..., M；
k2=1,2,3 ..., M；
k3=1,2,3 ..., M；
…
kM=1,2,3 ..., M.
Step S3, by first corresponding to the sum of square of deviations for each battery bag internal resistance of minimum value obtained in step S2
Each battery pack internal resistance strategy balanced with the parallel relationship conduct minimum of each battery pack in the second battery team in battery team；
Step S4, controller switchs according to balanced internal resistance strategy is minimized to first switch pipe, second switch pipe and the 3rd
The break-make of pipe is controlled so that each battery pack is corresponding with each battery pack realization in the second battery team in parallel in the first battery team
Relation.
In the present embodiment, when get minimize balanced internal resistance strategy when, disconnect each the by single-chip microcomputer control first
Three switching tubes, it then will minimize balanced internal resistance strategy and downloaded to by corresponding program on single-chip microcomputer, single-chip microcomputer is according to minimum equal
The on off operating mode of weighing apparatus each first switch pipe of internal resistance policy control and each second switch pipe, with to the first battery team and the second battery team
Each battery pack connected mode be reconstructed, make each new battery bag internal resistance of substantially equal, eventually through single-chip microcomputer control close
Each 3rd switching tube, realize that each battery bag internal resistance is balanced online.
When the online equalization methods using the present embodiment are directed to as the warehouse style circuit progress of Fig. 1 battery bag is online balanced
When, if the internal resistance that battery pack D11, D21 and D31 in the first battery team are got by step S1 corresponds to r respectively11=1 Ω,
r21=2 Ω, r31=3 Ω, while the internal resistance for getting battery pack D12, D22 and D32 in the second battery team corresponds to r respectively12=
4Ω、r22=5 Ω, r32=6 Ω, due to including 3 battery packs in the first battery team and the second battery team, therefore exist in 6
Parallel relationship, three battery bags are formed under every kind of parallel relationship, it is specific as follows：
(1) k is worked as1=1, k2=2, k3When=3, i.e. battery pack D11 and D12 are in parallel, and battery pack D21 and D22 are in parallel, battery
Group D31 and battery pack D32 is in parallel, is respectively by the internal resistance for three battery bags being calculated in step S2 now：X11=
0.8 Ω, X22=10/7 Ω, X33=2 Ω；The sum of square of deviations Y of battery bag internal resistance is calculated by step S21,2,3=
2.16。
(2) k is worked as1=1, k2=3, k3When=2, i.e. battery pack D11 and D12 are in parallel, and battery pack D21 and D32 are in parallel, battery
Group D31 and battery pack D22 is in parallel, is respectively by the internal resistance for three battery bags being calculated in step S2 now：X11=
0.8 Ω, X23=1.5 Ω, X32=2 Ω；By step S2 calculate each battery bag internal resistance sum of square of deviations Y1,3,2=1.79.
(3) k is worked as1=2, k2=1, k3When=3, i.e. battery pack D11 and D22 are in parallel, and battery pack D21 and D12 are in parallel, battery
Group D31 and battery pack D32 is in parallel, is respectively by the internal resistance for three battery bags being calculated in step S2 now：X12=5/
6 Ω, X21=4/3 Ω, X33=2 Ω；By step S2 calculate each battery bag internal resistance sum of square of deviations Y2,1,3=2.06.
(4) k is worked as1=2, k2=3, k3When=1, i.e. battery pack D11 and D22 are in parallel, and battery pack D21 and D32 are in parallel, battery
Group D31 and battery pack D12 is in parallel, is respectively by the internal resistance for three battery bags being calculated in step S2 now：X12=5/
6 Ω, X23=1.5 Ω, X31=12/7 Ω；By step S2 calculate each battery bag internal resistance sum of square of deviations Y2,3,1=
1.27。
(5) k is worked as1=3, k2=1, k3When=2, i.e. battery pack D11 and D32 are in parallel, and battery pack D21 and D12 are in parallel, battery
Group D31 and battery pack D22 is in parallel, is respectively by the internal resistance for three battery bags being calculated in step S2 now：X13=6/
7 Ω, X21=4/3 Ω, X32=15/8 Ω；By step S2 calculate each battery bag internal resistance sum of square of deviations Y3,1,2=
1.56。
(6) k is worked as1=3, k2=2, k3When=1, i.e. battery pack D11 and D32 are in parallel, and battery pack D21 and D22 are in parallel, battery
Group D31 and battery pack D12 is in parallel, is respectively by the internal resistance for three battery bags being calculated in step S2 now：X13=6/
7 Ω, X22=10/7 Ω, X31=12/7 Ω；By step S2 calculate each battery bag internal resistance sum of square of deviations Y3,2,1=
1.14。
The sum of square of deviations of each battery bag internal resistance got in the case of above-mentioned 6 kinds of parallel connections is contrasted, it is in parallel to obtain (6) kind
In the case of the sum of square of deviations of each battery bag internal resistance that gets be minimum value, therefore will the first electricity in the case of corresponding (6) kind
Each battery pack internal resistance strategy balanced with the parallel relationship conduct minimum of each battery pack in the second battery team in the team of pond, as control
The single-chip microcomputer of device is after the balanced internal resistance strategy of minimum is got, by controlling first switch pipe, second switch pipe and the 3rd to open
Close pipe on off operating mode cause in the first battery team each battery pack D12 in each battery pack D11, D21 and D31 and the second battery team,
D22 and D32 realizes the parallel relationship of (6) kind situation, i.e. battery pack D11 and D32 are in parallel, and battery pack D21 and D22 are in parallel, electricity
Pond group D31 and battery pack D12 are in parallel.
Above-described embodiment is the preferable embodiment of the present invention, but embodiments of the present invention are not by above-described embodiment
Limitation, other any Spirit Essences without departing from the present invention with made under principle change, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (10)
1. a kind of warehouse style circuit of battery bag, including multiple battery packs, it is characterised in that the multiple battery team is divided into two
Team, respectively the first battery team and the second battery team, wherein the first battery team is identical with the number of battery pack in the second battery team；
Each battery pack in the first battery team is sequentially connected in series；
The each battery pack being wherein directed in the second battery team, its one end connects multiple first switch pipes respectively, by multiple
One end of each battery pack, its other end connect multiple second switch pipes respectively in the first battery team of the corresponding connection of first switch pipe,
Pass through the other end of each battery pack in the first battery team of the corresponding connection of multiple second switch pipes；
The break-make control terminal of each first switch pipe and each second switch pipe connects controller respectively, and each is controlled by controller
The break-make of one switching tube and each second switch pipe, so as to control each battery pack and each battery of the second battery team in the first battery team
The corresponding parallel relationship of group.
2. the warehouse style circuit of battery bag according to claim 1, it is characterised in that be directed to each in the second battery team
Battery pack, its other end connect multiple second switch pipes by first resistor respectively；The first resistor both ends are parallel with the 3rd
Switching tube.
3. the warehouse style circuit of battery bag according to claim 2, it is characterised in that the first switch pipe, second switch
Pipe and the 3rd switching tube are metal-oxide-semiconductor；Each battery pack in wherein the second battery team, its one end connect multiple first and opened respectively
The source electrode of pipe is closed, one end of each battery pack in the first battery team, its other end are connected to by the drain electrode of multiple first switch pipes
Connect the source electrode of multiple second switch pipes respectively by first resistor, the first electricity is connected to by the drain electrode of multiple second switch pipes
The other end of each battery pack in the team of pond；
3rd switching tube is connected respectively the both ends of first resistor by its drain electrode and source electrode, is specially：First resistor
The one end being connected with multiple second switch pipes connects the source electrode of the 3rd switching tube, and the other end connects the drain electrode of the 3rd switching tube；
The grid of the first switch pipe, second switch pipe and the 3rd switching tube connects controller respectively, by controller control the
The break-make of one switching tube, second switch pipe and the 3rd switching tube.
4. the warehouse style circuit of battery bag according to claim 1, it is characterised in that each battery pack in the first battery team
The other end is connected to fuse, and each battery pack passes through other electricity in the first battery team of fuse series connection in the first battery team
Pond group；The each battery pack being wherein directed in the second battery team, its one end connects multiple first switch pipes respectively, by multiple
One end of each battery pack, its other end connect multiple second switch pipes respectively in the first battery team of the corresponding connection of first switch pipe,
The fuse connected by each battery pack other end in the first battery team of the corresponding connection of multiple second switch pipes, passes through fuse
It is connected to the other end of each battery pack in the first battery team.
5. the warehouse style circuit of battery bag according to claim 4, it is characterised in that also believe including constant-current supply and battery
Cease sampler, the both ends of the constant-current supply correspond to respectively be sequentially connected in series with each battery pack in the first battery team after the electricity that is formed
The both ends on road are connected；Batteries in parallel connection intelligence sample device, is believed by battery after each battery pack of first battery team is connected with fuse
Voltage in breath the first battery of samplers sample team on each battery pack and its fuse connected；The battery information sampler
Controller is connected, controls it to carry out the time of voltage sample work by controller.
6. the warehouse style circuit of battery bag according to any one of claim 1 to 5, it is characterised in that including 6 batteries
Group, wherein including 3 battery packs in the first battery team and the second battery team respectively, wherein being directed to each in the second battery team
Battery pack, its one end connect 3 first switch pipes respectively, pass through 3 electricity in the first battery team of the corresponding connection of 3 first switch pipes
One end of pond group, its other end connect 3 second switch pipes respectively, pass through the second battery team of the corresponding connection of 3 second switch pipes
In 3 battery packs the other end.
7. the online equalization methods of the warehouse style circuit of battery bag described in a kind of claim 1, it is characterised in that step is as follows：
Step S1, the internal resistance distribution situation of each battery pack in the first battery team and the second battery team is calculated respectively；
Step S2, feelings are distributed according to the internal resistance of each battery pack in the first battery team and the second battery team calculated in step S1
Condition, each battery pack in the first battery team is calculated respectively and is formed with each battery pack in the second battery team under every kind of parallel relationship
Each battery bag internal resistance, then calculate the deviation square of each battery bag internal resistance, finally compare each battery in the first battery team
The sum of square of deviations for each battery bag internal resistance that group obtains with each battery pack in the second battery team under every kind of parallel relationship, is selected
Minimum value；A battery is obtained after a battery pack is in parallel with a battery pack in the second battery team in wherein the first battery team
Bag；
Step S3, the first battery corresponding to by the sum of square of deviations for each battery bag internal resistance of minimum value obtained in step S2
Each battery pack internal resistance strategy balanced with the parallel relationship conduct minimum of each battery pack in the second battery team in team；
Step S4, controller controls each battery pack and the second battery team in the first battery team according to balanced internal resistance strategy is minimized
In each battery pack realize corresponding to parallel relationship.
8. the online equalization methods of the warehouse style circuit of battery bag according to claim 7, it is characterised in that the first battery team
In each battery pack one end be connected to fuse, each battery pack passes through fuse and connected in the first battery team in the first battery team
Other battery packs；The each battery pack being wherein directed in the second battery team, its one end connect multiple first switch pipes respectively,
By one end of each battery pack in the first battery team of the corresponding connection of multiple first switch pipes, its other end connects multiple second respectively
Switching tube, the fuse connected by the other end of each battery pack in the first battery team of the corresponding connection of multiple second switch pipes,
The other end of each battery pack in the first battery team is connected to by fuse；
The each battery pack being directed in the second battery team, its other end connect multiple second switches by first resistor respectively
Pipe；The first resistor both ends are parallel with the 3rd switching tube；
In the step S1, the specific step of the internal resistance distribution situation of each battery pack in the first battery team and the second battery team is calculated
It is rapid as follows：
Step S11, the internal resistance of each battery pack in the first battery team is calculated：Controller controls each first switch pipe and each the first
Two switching tubes disconnect；Then the circuit both ends that each battery pack in the first battery team is formed after being sequentially connected in series are connected respectively
The both ends of constant-current supply；The voltage in each battery pack and its fuse connected, root in the first battery team are finally gathered respectively
According to the voltage in each battery pack in the first battery team and its fuse connected and the constant current of constant-current supply output, lead to
Cross the internal resistance that Ohm's law calculates each battery pack in the first battery team：
ri1=Ui/Iset-cur-Rifu；I=1,2,3 ..., N；
Wherein ri1For the internal resistance of i-th of battery pack in the first battery team；UiFor i-th of battery pack in the first battery team for collecting
The voltage on fuse connected with it；RifuThe resistance of the fuse connected by i-th of battery pack in the first battery team, N
For the sum of battery pack in the first battery team；Iset-curFor the constant current of constant-current supply output；
Step S12, the internal resistance of each battery pack in the second battery team is calculated：First controller by control each first switch pipe and
The break-make situation of each second switch pipe so that each battery pack in its second battery team respectively with each battery in the first battery team
Group is in parallel one by one；Then each battery pack being directed in the first battery team, the battery pack and its fuse connected are gathered
On voltage, the constant current exported according to the voltage in the battery pack and its fuse for being connected and constant-current supply, lead to
Cross the all-in resistance that Ohm's law calculates the corresponding battery pack parallel connection institute built-up circuit in the battery pack and the second battery team；Finally
Switched in the fuse resistance and the circuit that are connected according to the all-in resistance of the circuit, the internal resistance of the battery pack, the battery pack
The ohmer of pipe calculates the internal resistance of the corresponding battery pack of the second battery team in parallel with the battery pack in the circuit；
The all-in resistance of corresponding battery pack parallel connection institute built-up circuit wherein in the battery pack and the second battery team is：
Rik=Ui/Iset-cur；I=1,2,3 ..., N, k=1,2,3 ..., M；
RikBy the total of the circuit in parallel formed of k-th battery pack in i-th of battery pack in the second battery team and the second battery team
Resistance；M be the second battery team in battery pack sum, wherein M=N；
The internal resistance of the corresponding battery pack of the second battery team in parallel with the battery pack is wherein in the circuit：
rk2=(ri1+Rifu)*Rik/((ri1+Rifu)-Rik)-3Rkmos；I=1,2,3 ..., N, k=1,2,3 ..., M；
Wherein rk2For the internal resistance of k-th of battery pack in the second battery team, RkmosFor k-th of battery pack both ends institute in the second battery team
The resistance of the first switch pipe of connection, second switch pipe and the 3rd switching tube；Wherein when i-th battery pack in the first battery team and
In second battery team during k-th of battery pack parallel connection, one end of k-th of battery pack is connected by first switch pipe in the second battery team
One end of i-th of battery pack in first battery team, the other end of k-th of battery pack passes sequentially through the 3rd switch in the second battery team
The other end of i-th of battery pack in the first battery team is connected after pipe and second switch pipe.
9. the online equalization methods of the warehouse style circuit of battery bag according to claim 7, it is characterised in that the step S2
In, each battery pack is under every kind of parallel relationship in each battery pack and the second battery team in the first battery team, each battery for being formed
The internal resistance of bag is：
<mrow>
<mi>X</mi>
<mn>1</mn>
<msub>
<mi>k</mi>
<mn>1</mn>
</msub>
<mo>=</mo>
<msub>
<mi>r</mi>
<mn>11</mn>
</msub>
<mo>*</mo>
<msub>
<mi>r</mi>
<mrow>
<msub>
<mi>k</mi>
<mn>1</mn>
</msub>
<mn>2</mn>
</mrow>
</msub>
<mo>/</mo>
<mrow>
<mo>(</mo>
<msub>
<mi>r</mi>
<mn>11</mn>
</msub>
<mo>+</mo>
<msub>
<mi>r</mi>
<mrow>
<msub>
<mi>k</mi>
<mn>1</mn>
</msub>
<mn>2</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mo>;</mo>
<msub>
<mi>k</mi>
<mn>1</mn>
</msub>
<mo>=</mo>
<mn>1</mn>
<mo>,</mo>
<mn>2</mn>
<mo>,</mo>
<mn>3</mn>
<mo>,</mo>
<mo>...</mo>
<mo>,</mo>
<mi>M</mi>
<mo>;</mo>
</mrow>
<mrow>
<mi>X</mi>
<mn>2</mn>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>=</mo>
<msub>
<mi>r</mi>
<mn>21</mn>
</msub>
<mo>*</mo>
<msub>
<mi>r</mi>
<mrow>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mn>2</mn>
</mrow>
</msub>
<mo>/</mo>
<mrow>
<mo>(</mo>
<msub>
<mi>r</mi>
<mn>21</mn>
</msub>
<mo>+</mo>
<msub>
<mi>r</mi>
<mrow>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mn>2</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mo>;</mo>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>=</mo>
<mn>1</mn>
<mo>,</mo>
<mn>2</mn>
<mo>,</mo>
<mn>3</mn>
<mo>,</mo>
<mo>...</mo>
<mo>,</mo>
<mi>M</mi>
<mo>;</mo>
</mrow>
<mrow>
<mi>X</mi>
<mn>3</mn>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mo>=</mo>
<msub>
<mi>r</mi>
<mn>31</mn>
</msub>
<mo>*</mo>
<msub>
<mi>r</mi>
<mrow>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mn>2</mn>
</mrow>
</msub>
<mo>/</mo>
<mrow>
<mo>(</mo>
<msub>
<mi>r</mi>
<mn>31</mn>
</msub>
<mo>+</mo>
<msub>
<mi>r</mi>
<mrow>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mn>2</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mo>;</mo>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mo>=</mo>
<mn>1</mn>
<mo>,</mo>
<mn>2</mn>
<mo>,</mo>
<mn>3</mn>
<mo>,</mo>
<mo>...</mo>
<mo>,</mo>
<mi>M</mi>
<mo>;</mo>
</mrow>
…
<mrow>
<msub>
<mi>XNk</mi>
<mi>M</mi>
</msub>
<mo>=</mo>
<msub>
<mi>r</mi>
<mrow>
<mi>N</mi>
<mn>1</mn>
</mrow>
</msub>
<mo>*</mo>
<msub>
<mi>r</mi>
<mrow>
<msub>
<mi>k</mi>
<mi>M</mi>
</msub>
<mn>2</mn>
</mrow>
</msub>
<mo>/</mo>
<mrow>
<mo>(</mo>
<msub>
<mi>r</mi>
<mn>31</mn>
</msub>
<mo>+</mo>
<msub>
<mi>r</mi>
<mrow>
<msub>
<mi>k</mi>
<mi>M</mi>
</msub>
<mn>2</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mo>;</mo>
<msub>
<mi>k</mi>
<mi>M</mi>
</msub>
<mo>=</mo>
<mn>1</mn>
<mo>,</mo>
<mn>2</mn>
<mo>,</mo>
<mn>3</mn>
<mo>,</mo>
<mo>...</mo>
<mo>,</mo>
<mi>M</mi>
<mo>;</mo>
</mrow>
k1≠k2≠k3,...,≠kN；
Wherein X1k1What is represented is the 1st battery pack and kth in the second battery team in the first battery team1Shape during individual battery pack parallel connection
Into battery bag internal resistance；r11For the internal resistance of the 1st battery pack in the first battery team；For kth in the second battery team1Individual electricity
The internal resistance of pond group；
Wherein X2k2What is represented is the 2nd battery pack and kth in the second battery team in the first battery team2Shape during individual battery pack parallel connection
Into battery bag internal resistance；r21For the internal resistance of the 2nd battery pack in the first battery team；For kth in the second battery team2Individual electricity
The internal resistance of pond group；
Wherein X3k3What is represented is the 3rd battery pack and kth in the second battery team in the first battery team3Shape during individual battery pack parallel connection
Into battery bag internal resistance；r31For the internal resistance of the 3rd battery pack in the first battery team；For kth in the second battery team3Individual electricity
The internal resistance of pond group；
By that analogy, wherein XNkMWhat is represented is n-th battery pack and kth in the second battery team in the first battery teamMIndividual battery pack
The internal resistance of the battery bag formed when in parallel；rN1For the internal resistance of n-th battery pack in the first battery team；For in the second battery team
KthMThe internal resistance of individual battery pack；
Wherein N be the first battery team in battery pack sum, M be the second battery team in battery pack sum, wherein M=N；
In the step S2, it is directed in the first battery team each battery pack and each battery pack in the second battery team and in parallel is closed every kind of
Under system, the sum of square of deviations of each battery bag internal resistance formed calculatedFor：
<mfenced open = "" close = "">
<mtable>
<mtr>
<mtd>
<mrow>
<msub>
<mi>Y</mi>
<mrow>
<msub>
<mi>k</mi>
<mn>1</mn>
</msub>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mo>,</mo>
<mn>...</mn>
<mo>,</mo>
<msub>
<mi>k</mi>
<mi>M</mi>
</msub>
</mrow>
</msub>
<mo>=</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>1</mn>
<msub>
<mi>k</mi>
<mn>1</mn>
</msub>
<mo>-</mo>
<mi>X</mi>
<mn>2</mn>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>1</mn>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>-</mo>
<mi>X</mi>
<mn>3</mn>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
<mo>,</mo>
<mn>...</mn>
<mo>,</mo>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>1</mn>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>-</mo>
<msub>
<mi>XNk</mi>
<mrow>
<mi>M</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>2</mn>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>-</mo>
<mi>X</mi>
<mn>3</mn>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>2</mn>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>-</mo>
<mi>X</mi>
<mn>4</mn>
<msub>
<mi>k</mi>
<mn>4</mn>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
<mo>,</mo>
<mn>...</mn>
<mo>,</mo>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>2</mn>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>-</mo>
<msub>
<mi>XNk</mi>
<mrow>
<mi>M</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>3</mn>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mo>-</mo>
<mi>X</mi>
<mn>4</mn>
<msub>
<mi>k</mi>
<mn>4</mn>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>3</mn>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mo>-</mo>
<mi>X</mi>
<mn>5</mn>
<msub>
<mi>k</mi>
<mn>5</mn>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
<mo>,</mo>
<mn>...</mn>
<mo>,</mo>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mn>3</mn>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<mo>-</mo>
<msub>
<mi>XNk</mi>
<mrow>
<mi>M</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>+</mo>
</mrow>
</mtd>
</mtr>
<mtr>
<mtd>
<mrow>
<mo>,</mo>
<mn>...</mn>
<mo>,</mo>
<mo>+</mo>
<msup>
<mrow>
<mo>(</mo>
<mi>X</mi>
<mo>(</mo>
<mrow>
<mi>N</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
<mo>)</mo>
<msub>
<mi>k</mi>
<mrow>
<mi>M</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
</msub>
<mo>-</mo>
<msub>
<mi>XNk</mi>
<mrow>
<mi>M</mi>
<mo>-</mo>
<mn>1</mn>
</mrow>
</msub>
<mo>)</mo>
</mrow>
<mn>2</mn>
</msup>
<mo>;</mo>
</mrow>
</mtd>
</mtr>
</mtable>
</mfenced>
Wherein k1≠k2≠k3,...,≠kN；k1=1,2,3 ..., M；k2=1,2,3 ..., M；k3=1,2,3 ..., M ...,
kM=1,2,3 ..., M.
10. the online equalization methods of the warehouse style circuit of battery bag according to claim 9, it is characterised in that the step
The sum of square of deviations minimum value of each battery bag internal resistance is in S2：
<mrow>
<mi>min</mi>
<mi> </mi>
<msub>
<mi>Y</mi>
<mrow>
<msub>
<mi>k</mi>
<mn>1</mn>
</msub>
<msub>
<mi>k</mi>
<mn>2</mn>
</msub>
<msub>
<mi>k</mi>
<mn>3</mn>
</msub>
<mo>,</mo>
<mo>...</mo>
<mo>,</mo>
<msub>
<mi>k</mi>
<mi>M</mi>
</msub>
</mrow>
</msub>
<mo>;</mo>
</mrow>
k1≠k2≠k3,...,≠kN；
k1=1,2,3 ..., M；
k2=1,2,3 ..., M；
k3=1,2,3 ..., M；
…
kM=1,2,3 ..., M.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711061330.1A CN107681739B (en) | 2017-10-31 | 2017-10-31 | Battery pack storage type circuit and online equalization method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711061330.1A CN107681739B (en) | 2017-10-31 | 2017-10-31 | Battery pack storage type circuit and online equalization method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107681739A true CN107681739A (en) | 2018-02-09 |
| CN107681739B CN107681739B (en) | 2020-06-16 |
Family
ID=61144762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711061330.1A Expired - Fee Related CN107681739B (en) | 2017-10-31 | 2017-10-31 | Battery pack storage type circuit and online equalization method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107681739B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450029A (en) * | 2018-11-26 | 2019-03-08 | 暨南大学 | A kind of retired power battery energy storage method and accumulator |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202474923U (en) * | 2012-02-09 | 2012-10-03 | 奇瑞汽车股份有限公司 | Battery voltage equalization circuit |
| CN203707855U (en) * | 2014-03-11 | 2014-07-09 | 重庆大学 | Lithium battery pack equalization charger |
| CN205818967U (en) * | 2016-05-10 | 2016-12-21 | 深圳市安和威电力科技股份有限公司 | A kind of mobile container battery compartment equalizing charge system |
| CN206015096U (en) * | 2016-09-19 | 2017-03-15 | 北京中腐防蚀工程技术有限公司 | The cathodic protection test pile how battery balanced redundant power supply apparatus of remote Acquisition Instrument |
-
2017
- 2017-10-31 CN CN201711061330.1A patent/CN107681739B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202474923U (en) * | 2012-02-09 | 2012-10-03 | 奇瑞汽车股份有限公司 | Battery voltage equalization circuit |
| CN203707855U (en) * | 2014-03-11 | 2014-07-09 | 重庆大学 | Lithium battery pack equalization charger |
| CN205818967U (en) * | 2016-05-10 | 2016-12-21 | 深圳市安和威电力科技股份有限公司 | A kind of mobile container battery compartment equalizing charge system |
| CN206015096U (en) * | 2016-09-19 | 2017-03-15 | 北京中腐防蚀工程技术有限公司 | The cathodic protection test pile how battery balanced redundant power supply apparatus of remote Acquisition Instrument |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109450029A (en) * | 2018-11-26 | 2019-03-08 | 暨南大学 | A kind of retired power battery energy storage method and accumulator |
| CN109450029B (en) * | 2018-11-26 | 2022-04-08 | 暨南大学 | Energy storage method and energy storage circuit for retired power battery |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107681739B (en) | 2020-06-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106471699B (en) | A kind of the dynamic equalization circuit and its method for dynamically balancing of battery management system | |
| WO2021104190A1 (en) | Parallel charging and discharging management system for multiple batteries | |
| CN108511817A (en) | A kind of lithium-ion-power cell group active equalization circuit | |
| CN104852423B (en) | A kind of charge balancing control circuit, battery pack charging management system and method | |
| TW201103220A (en) | Apparatus and method for managing plural secondary batteries | |
| CN201478865U (en) | Improved charging balanced circuit | |
| CN107658936A (en) | A kind of battery detection and equalizing system and its control method | |
| CN107732331B (en) | A kind of serial lithium battery group SOC balance control method of global optimization control | |
| CN104953659B (en) | A kind of battery set charge/discharge equalizing circuit and charging/discharging thereof | |
| CN206742907U (en) | A kind of complete intelligent lithium titanate battery group management system | |
| CN107658935A (en) | A kind of battery detection and equalizing system and its control method | |
| CN107134599A (en) | The voltage balance circuit and its method of work of a kind of series battery | |
| CN102376979B (en) | The lithium-ion-power cell series battery of charging-discharging automatic balancing | |
| CN108879833A (en) | A kind of active equalizer circuit of cell pack and equalization methods | |
| RU2011124556A (en) | METHOD FOR CHARGING A LITHIUM-ION BATTERY BATTERY FROM n SEQUENTLY CONNECTED BATTERIES WITH CONNECTORS TO THEM THROUGH BALANCING RESISTORS SWITCHES | |
| CN105826969B (en) | A kind of space high-voltage lithium-ions battery group management system and management method | |
| CN107681739A (en) | A kind of warehouse style circuit of battery bag and its online equalization methods | |
| CN113009370B (en) | Low-energy-consumption power battery cycle life testing system and method | |
| CN104300640B (en) | A kind of novel storage battery group charging control circuit and its method | |
| CN206673610U (en) | Intelligent battery management system | |
| CN202737514U (en) | Circuit guaranteeing equalization charge of each battery based on multi-section series-connection batteries | |
| CN104935057A (en) | Equalization method and equalization system for lithium ion battery pack | |
| CN103138314B (en) | A kind of battery power balance circuit and battery system | |
| CN104734263B (en) | A kind of sharing control system and method | |
| CN105449771B (en) | A kind of battery equalizer and its application |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200616 Termination date: 20211031 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |