CN106786491A - A kind of intelligent dispatching system and its dispatching method towards parallel power battery pack - Google Patents
A kind of intelligent dispatching system and its dispatching method towards parallel power battery pack Download PDFInfo
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- CN106786491A CN106786491A CN201710050146.0A CN201710050146A CN106786491A CN 106786491 A CN106786491 A CN 106786491A CN 201710050146 A CN201710050146 A CN 201710050146A CN 106786491 A CN106786491 A CN 106786491A
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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
- H02J1/00—Circuit arrangements for dc mains or dc distribution networks
- H02J1/10—Parallel operation of dc sources
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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
- H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
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- H02J2007/0067—
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Abstract
Present invention relates particularly to a kind of intelligent dispatching system and its dispatching method towards parallel power battery pack.Intelligent dispatching system, is connected between parallel power battery pack and outer load, including control system, data acquisition module, electrical isolation module, switch module and circuit protection module.The dispatching method of intelligent dispatching system, comprises the following steps：S100, gathered data, calculating parameter；S101, safety state analysis；S102, mode decision；S103, call associative mode optimize program；S104, switch module perform optimum results.The present invention can be according to each power battery pack battery status parameter of current time, the load condition parameter of coupling system, the ambient condition parameter of battery pack, optimal power battery pack scheduling scheme is drawn by the related algorithm in control system, and circuit structure is controlled by switch module, realize the intelligent scheduling of power battery pack, operability is stronger, the characteristics of with high efficiency, control simple, balanced quick and high opening.
Description
Technical field
The present invention relates to battery group scheduling field, and in particular to a kind of intelligent dispatching system towards parallel power battery pack
And its dispatching method.
Background technology
In existing power battery pack power supply mode, there are series, parallel and series-parallel connection, and in some powerful power applications
In scene, in order to provide bigger capacity, generally require to reach the purpose of Large Copacity into cell parallel is about to.Actual production
In, between each battery can there is certain difference in performance, especially for the battery pack of some " first go here and there after simultaneously ", battery pack it
Between difference can increase as the number of series-connected cell in each battery pack increases, cause each in parallel electric in use
There is unbalanced phenomena in electricity between the group of pond, the problem for causing power battery pack hydraulic performance decline, life-span to reduce.
The content of the invention
It is an object of the invention to provide a kind of intelligent dispatching system and its dispatching method towards parallel power battery pack,
It is unbalanced to solve the electricity between prior art each parallel power battery pack, cause power battery pack hydraulic performance decline, life-span
The problem of reduction.
In order to realize above-mentioned purpose, adopt the following technical scheme that.A kind of intelligence towards parallel power battery pack is adjusted
Degree system, is connected between parallel power battery pack and outer load, including control system, data acquisition module, electrical isolation mould
Block, switch module and circuit protection module, the parallel power battery pack include two or more electrokinetic cells in parallel
Group, the switch module, the quantity of circuit protection module are identical with the quantity of the power battery pack, each power battery pack with
One switch module, a circuit protection module series connection, electric loop, the control system and data acquisition are formed with outer load
Module is connected to form control loop, and the electrical isolation module is arranged between the electric loop and the control loop, institute
State control system to be connected with the switch module by the electrical isolation module, the data acquisition module is by described electric
Isolation module is connected with the electric loop.
The present invention simultaneously calculates battery status parameter, load condition parameter and environment by data acquisition module, Real-time Collection
State parameter, in incoming control system, by the related algorithm in control system to carrying out intelligent decision, draws one group of subsequent time
Optimal on off state, then circuit structure is controlled by switch module.Electrical isolation module is by each electrokinetic cell
Electric loop and the control loop isolation of group.Data acquisition module is electrically connected with electrical isolation module, gathers each power electric
The parameter of pond group electric loop.Control system connects data acquisition module, at the same by electrical isolation module and switch module with
Electric loop circuit is connected.Switch module and circuit protection module series connection are accessed in each electric loop.When the parameter of electric loop
When abnormal, circuit protection module can cut off the safety of the connection of power battery pack and load, protection power battery pack and load.
The control system is microprocessor, and the control system includes data processing module, data storage module, logic
Judge module, algorithm optimization module and communication module, it is possible to achieve data processing, balanced electricity, data sharing, self-optimization
Function.The state parameter of the real-time power battery pack that data processing module is collected to data acquisition module, system it is negative
State parameter, the ambient condition parameter of power battery pack are carried, is judged in logic judgment module in the controls, so that
Related algorithm is called to draw the data encoding of next moment on off state.Data storage module preserves the electrokinetic cell at certain moment
Group state parameter, the load condition parameter of system, the ambient condition parameter of power battery pack.Communication module realize whole system with
Peripheral hardware（Such as host computer）Data sharing, more New function, for example can be by the data transfer that will store to host computer, host computer
Algorithm is optimized with system data, then algorithm optimization module is write by communication module.The algorithm optimization of control system
Module also can directly utilize data in addition to the algorithm of algorithm optimization module is updated by communication module in algorithm optimization module
Data in storage module are modified to algorithm, and such as the electricity algorithm for estimating in data processing module is modified, and are made more
Accurately estimate the electricity of the N group power battery packs being currently in use；Switch on and off algorithm in Logic control module is repaiied
Just, the logic control algorithm of load characteristic is more met.
The communication module is provided with COM1, and control system can be by COM1 and host computer or other equipment
Real-time Communication for Power is carried out, data syn-chronization is shared.COM1 is RS232, RS485 or CANBUS.
The parallel power battery pack is connected by output bus with outer load, and being provided with control on the output bus opens
Close.Under dangerous situation, the connection of outer load and system is forcibly cut off by the shut-off of controlling switch.
A kind of dispatching method of intelligent dispatching system towards parallel power battery pack, is considering present battery status ginseng
Under the multi input parameter of number, load condition parameter and working environment state parameter, intelligent scheduling is carried out to parallel power battery pack.
Comprise the following steps：
S100, gathered data, calculating parameter
By the vibration of data collecting module collected real-time voltage, real-time current, real time temperature, on off state and battery, deformation,
The parameter of humidity, and calculate analysis battery status parameter, load condition parameter and working environment state parameter；The battery status
Parameter includes remaining capacity SOC and health status SOH, and the load condition parameter includes the gross output P in electric loop
With the variable quantity △ P of parallel power battery pack gross output, the working environment state parameter include temperature, vibration, deformation
And humidity；
S101, safety state analysis
Working environment state parameter is analyzed by the logic judgment module in control system, assesses the peace of each power battery pack
Total state；
S102, mode decision
The intelligent scheduling pattern that judgement is currently needed for, i.e. electric quantity balancing pattern or repid discharge pattern；
S103, call associative mode optimize program
Logic judgment module in the controls calls corresponding model-based optimization program, to present battery status and load condition
Parameter analysis draw the NextState amount of switch module；
S104, switch module perform optimum results
Intelligent scheduling output result is transmitted to switch module by control system, and switch module performs optimum results.
Step S101 concrete modes are as follows：
Drawn with deformation limit, humidity extremes, maximum safe current, maximum safe voltage, minimum safe voltage, temperature limit parameter
Separate multidimensional closing space, referred to as battery status place of safety；As long as when the deformation limit or humidity of some power battery pack
Absolute rating carries out whole cutoff process beyond battery status place of safety to whole intelligent dispatching system, sends alarm；When complete
The deformation limit and humidity extremes parameter of portion's power battery pack all within battery status place of safety, and in some electrokinetic cell
In the maximum safe current parameter of group, maximum safe voltage parameter, minimum safe voltage parameter, temperature limit parameter any one
Parameter carries out cut-out shutdown treatment to the power battery pack, and send alarm not when within battery status place of safety.
In step S102,
The electric quantity balancing pattern is：Balanced mode is opened when each power battery pack dump energy difference is excessive, it is negative meeting
Carry the switch of as few as possible unlatching switch module on the premise of power and circuit safety, and it is preferential open current residual electricity compared with
The contactor of many power battery packs；
The repid discharge pattern is：As few as possible unlatching switch module on the premise of bearing power and circuit safety is met
Switch, and the preferential contactor for opening the less power battery pack of current residual electricity.
Step S103 concrete modes are as follows：
Under electric quantity balancing pattern, when whole power battery packs are operated within battery status place of safety, to present battery shape
State parameter and load condition Parameter analysis draw the NextState amount of switch module, specific as follows：S103a1, first by N number of dynamic
The dump energy of power battery pack（SOC）With the electric discharge top grade that temperature T determines N number of power battery pack, wherein, K=f1（SOC, T）, K
Bigger, priority is higher, functional relation f1By engineering experience gained；S103a2, by load general power and N number of power battery pack
Maximum Safety output electric current determine at least need this moment M (1≤M≤N) organize power battery pack be powered；S103a3, full
On the premise of sufficient load request and safe-discharge, principle of first being discharged according to high priority power battery pack electric discharge is adjusted
Degree；
Under repid discharge module, when whole power battery packs are operated within battery status place of safety, to present battery shape
State parameter and load condition Parameter analysis draw the NextState amount of switch module, specific as follows：S103b1, first by N number of dynamic
The dump energy of power battery pack（SOC）With the electric discharge priority that temperature T determines N number of power battery pack, wherein, K=f2（SOC, T）,
K is bigger, and priority is higher, functional relation f2By engineering experience gained；S103b2, by load general power and N number of electrokinetic cell
The maximum Safety output electric current of group determines that at least needing M (1≤M≤N) to organize power battery pack this moment is powered；S103b3,
On the premise of meeting load request and safe-discharge, principle of first being discharged according to high priority power battery pack electric discharge is carried out
Scheduling.
Compared with prior art, the present invention can according to each power battery pack battery status parameter of current time, with reference to
The load condition parameter of system, the ambient condition parameter of power battery pack, are drawn optimal by the related algorithm in control system
Power battery pack scheduling scheme, and circuit structure is controlled by switch module, realize the intelligence tune of power battery pack
Degree, so as to ensure the performance of parallel power battery pack, extends the service life of power battery pack.Operability of the present invention is stronger,
The characteristics of with high efficiency, simple control, balanced quick and high opening.
Brief description of the drawings
Fig. 1 is electrical block diagram of the invention；
Fig. 2 is module relationship schematic diagram of the invention；
Fig. 3 is control system inner module relation schematic diagram of the invention；
Fig. 4 is flow chart of the method for the present invention；
Fig. 5 is the safe schematic diagram of battery status in the method for the present invention.
Specific embodiment
The invention will be further described below in conjunction with the accompanying drawings.
As shown in Figure 1 and Figure 2, intelligent dispatching system 2 is connected to parallel power battery pack with outer load 3 to structure of the invention
Between, including control system 5, data acquisition module 4, electrical isolation module 6, switch module 7 and circuit protection module 8.It is in parallel
Power battery pack include two or more power battery packs 1 in parallel, switch module 7, the quantity of circuit protection module 8 with
The quantity of power battery pack 1 is identical, and 7, circuit protection module 8 of each power battery pack 1 and a switch module is connected, with
Outer load 3 forms electric loop.Control system 5 is connected to form control loop with data acquisition module 4, and electrical isolation module 6 sets
Put between electric loop and control loop, control system 5 is connected by electrical isolation module 6 with switch module 7, data acquisition
Module 4 is connected by electrical isolation module 6 with electric loop.
Electric loop is specially：Intelligent dispatching system 2 is electrically connected with N groups power battery pack 1, electrically connects with outer load 3
Connect.The positive ends of each of which group power battery pack 1 are connected with a switch module 7, then are gone here and there with a circuit protection module 8
Connection, then positive pole output bus 11 is accessed, positive pole output bus 11 is electrically connected with the positive ends of outer load 3.Each group of power
The negative polarity end of battery pack 1 is connected with negative pole output bus 12, and negative pole output bus 12 electrically connects with the negative polarity end of outer load 3
Connect.Controlling switch of having been connected on positive pole output bus 11 10.In intelligent dispatching system 2, will electrically be returned by electrical isolation module 6
Road and control loop are isolated.Control loop is specially：Data acquisition module 4 is connected with electrical isolation module 6,5 points of control system
It is not connected with data acquisition module 4, electrical isolation module 6, while the expansible some COM1s 9 of control system 5, electrical isolation
Module 6 is also connected with switch module 7.
Data acquisition module 4 is connected by the circuit of electrical isolation module 6, the number of the power supply branch road of collection N bars power battery pack 1
According to while the data of collection are transferred into control system 5 by data wire.The Real-time Collection of data acquisition module 4 is respectively powered branch road
Voltage, the temperature inside electric current relevant parameter and each power battery pack 1, intelligent dispatching system 2, switch module 7 switch
Off state, the temperature of power battery pack 1, vibration, deformation, moisture condition, data are transferred to control system 5.
Control system 5 can attach several COM1s 9, realize and other equipment real-time Communication for Power.Control system 5 is by data
Acquisition module 4 transmission come data processed, logic judgment, draw subsequent time switch state encoding, by electrically every
Switch module 7 is transferred to from module 6.Control system 5 gathers temperature, vibration, deformation, the humidity of power battery pack 1 by analyzing
State, corresponding decision-making is made under some dangerous situations.
The series connection of switch module 7 is accessed in electric loop, while control end is by electrical isolation module 6 and the phase of control system 5
Even.Switch module 7 mainly includes switch and its drive circuit.
Circuit protection module 8 is connected with switch module 7, and the other end accesses positive pole output bus 11.When the ginseng of electric loop
When number is abnormal, circuit protection module 8 can cut off the connection of power battery pack 1 and outer load 3, play the outer load of protection and electrokinetic cell
Group 1 is acted on, while having reduction because outer load change is to the influence of power battery pack 1.
After controlling switch 10 is opened, intelligent dispatching system 2 is by real-time in the collection electric loop of data acquisition module 4
Data, in incoming control system 5, by the related algorithm of logic judgment module in control system 5 to power battery pack 1, outer load 3
State judged, draw the optimal on off state of one group of subsequent time, then circuit structure is controlled by switch module 7
System, so as to the electricity of the power battery pack 1 in parallel to N groups carries out intelligent scheduling.At the same time, the monitor in real time of control system 5 is each
The temperature of individual power battery pack 1, vibration, deformation, moisture condition, when abnormal parameters, circuit protection module 8 can cut off power electric
Pond group 1 and the connection of outer load 3, protect the safety of power battery pack 1 and outer load 3.The control system 5 of intelligent dispatching system 2
Real-time Communication for Power is carried out by COM1 9 and other equipment, data syn-chronization is shared.Under dangerous situation, by controlling switch
The opening of intelligent dispatching system 2 is forcibly cut off in 10 shut-off.
Control system 5 uses microprocessor（MCU）Be controlled, mainly comprising data processing module, data storage module,
Logic judgment module, algorithm optimization module, communication module, it is possible to achieve data processing, balanced discharge or repid discharge, data are common
Enjoy, the function of self-optimization.
As shown in figure 3, in control system 5, data collecting module collected real-time voltage, real-time current, real time temperature, switch
The vibration of state and battery, deformation, the parameter of humidity, incoming data processing module are processed, and are obtained by corresponding algorithm
The battery status parameter at each moment of power battery pack 1（Including remaining capacity SOC and health status SOH）, load condition ginseng
Number（The variable quantity △ P of gross output P, parallel power battery pack gross output in electric loop）With working environment state
Parameter（Temperature, vibration, deformation, humidity）, then sentence these three quantity of states as the logic in the incoming control system 5 of |input paramete
In disconnected module, corresponding pattern is called, selected（Balanced discharge pattern or repid discharge pattern）When related algorithm draws next
The related data coding of on off state is carved, while making corresponding protection decision-making under some dangerous situations.Data storage mould
Block preserves dump energy, voltage, electric current, current change rate, temperature, the on off state at certain moment, and next after calculating
Moment on off state data.The communication module of control system 5 realizes data sharing of the whole intelligent dispatching system 2 with peripheral hardware, renewal
Function, for example can be by the data transfer that will store to host computer, and host computer is optimized with system data to algorithm, then
Algorithm optimization module is write by communication module.The algorithm optimization module of control system 5 is except by communication module more new algorithm
Outside the algorithm of optimization module, also directly algorithm can be repaiied using the data in data storage module in algorithm optimization module
Just, such as the electricity algorithm for estimating in data processing module is modified, makes more accurately to estimate the N group power electrics being currently in use
The electricity of pond group 1；Switch on and off algorithm in Logic control module is modified, is more met the logic control of load characteristic
Algorithm processed.
The dispatching method of intelligent dispatching system 2 is as shown in Figure 4.
Step S100 gathered datas, calculating parameter
Vibration, the shape of real-time voltage, real-time current, real time temperature, on off state and battery are gathered by data acquisition module 4
Change, the parameter of humidity, and calculate analysis battery status parameter（Including remaining capacity SOC and health status SOH）, load condition ginseng
Number（The variable quantity △ P of gross output P, parallel power battery pack gross output in electric loop）With working environment state
Parameter（Temperature, vibration, deformation）Three big parameters.
Step S101 safety state analysis
Current operating environment state parameter is analyzed by the logic module in control system 5, assesses each power battery pack 1
Safe condition.As shown in figure 5, concrete mode is as follows：With deformation limit, humidity extremes, maximum safe current, maximum safety electricity
Pressure, minimum safe voltage, temperature limit parameter mark off multidimensional closing space, referred to as battery status place of safety；As long as working as certain
One deformation limit or humidity extremes parameter of power battery pack 1 beyond battery status place of safety, to whole intelligent scheduling system
System 2 carries out whole cutoff process, sends alarm；When the deformation limit and humidity extremes parameter of whole power battery packs 1 are all in electricity
Within the status safety area of pond, and maximum safe current parameter in some power battery pack 1, maximum safe voltage parameter, most
Any one parameter is when within battery status place of safety in small safe voltage parameter, temperature limit parameter, to the power electric
Pond group 1 carries out cut-out shutdown treatment, and sends alarm.
Step S102 mode decisions
The intelligent scheduling pattern that judgement is currently needed for, i.e. electric quantity balancing pattern or repid discharge module.Electric quantity balancing pattern is：
The dump energy difference of each power battery pack 1 opens balanced mode when excessive, on the premise of bearing power and circuit safety is met
The switch of unlatching switch module 7 as few as possible, and preferentially the circuit of the more power battery pack 1 of unlatching current residual electricity is opened
Close；Repid discharge pattern is：Unlatching switch module 7 as few as possible opens on the premise of bearing power and circuit safety is met
Close, and the preferential contactor for opening the less power battery pack 1 of current residual electricity.
Step S103a calls electric quantity balancing model-based optimization program
Logic module in control system 5 calls electric quantity balancing model-based optimization program.Under electric quantity balancing pattern, when all dynamic
When power battery pack 1 is operated within battery status place of safety, present battery status parameter and load condition Parameter analysis are drawn
The NextState amount of switch module, it is specific as follows：S103a1, first by the dump energy of N number of power battery pack 1（SOC）And temperature
Degree T determines the electric discharge top grade of N number of power battery pack 1, wherein, K=f1（SOC, T）, K is bigger, and priority is higher, functional relation f1
By engineering experience gained；S103a2, determined this moment by the maximum Safety output electric current of load general power and N number of power battery pack 1
At least need M (1≤M≤N) to organize power battery pack 1 to be powered；S103a3, meeting the premise of load request and safe-discharge
Under, principle of first being discharged according to high priority the electric discharge of power battery pack 1 is scheduled.
Step S103b calls repid discharge model-based optimization program
Logic module in control system 5 calls repid discharge model-based optimization program.Under repid discharge module, when all dynamic
When power battery pack 1 is operated within battery status place of safety, present battery status parameter and load condition Parameter analysis are drawn
The NextState amount of switch module, it is specific as follows：S103b1, first by the dump energy of N number of power battery pack 1（SOC）And temperature
Degree T determines the electric discharge priority of N number of power battery pack 1, wherein, K=f2（SOC, T）, K is bigger, and priority is higher, functional relation
Formula f2By engineering experience gained；S103b2, determined by the maximum Safety output electric current of load general power and N number of power battery pack 1
At least need M (1≤M≤N) to organize power battery pack 1 this moment to be powered；S103b3, meeting load request and safe-discharge
Under the premise of, principle of first being discharged according to high priority the electric discharge of power battery pack 1 is scheduled.
Step S104 switch modules perform optimum results
Intelligent scheduling output result is transmitted to switch module 7 by control system 5, and switch module 7 performs optimum results, realizes linkage
The intelligent scheduling of power battery pack.
Claims (10)
1. a kind of intelligent dispatching system towards parallel power battery pack, is connected between parallel power battery pack and outer load,
It is characterised in that it includes control system, data acquisition module, electrical isolation module, switch module and circuit protection module, described
Parallel power battery pack includes two or more power battery packs in parallel, the switch module, circuit protection module
Quantity is identical with the quantity of the power battery pack, each power battery pack and switch module, a circuit protection module
Series connection, electric loop is formed with outer load, and the control system is connected to form control loop with data acquisition module, described electric
Isolation module is arranged between the electric loop and the control loop, and the control system is by the electrical isolation module
It is connected with the switch module, the data acquisition module is connected by the electrical isolation module with the electric loop.
2. the intelligent dispatching system towards parallel power battery pack according to claim 1, it is characterised in that the control
System is microprocessor, and the control system includes that data processing module, data storage module, logic judgment module, algorithm are excellent
Change module and communication module.
3. the intelligent dispatching system towards parallel power battery pack according to claim 2, it is characterised in that the communication
Module is provided with COM1.
4. the intelligent dispatching system towards parallel power battery pack according to claim 3, it is characterised in that the communication
Port is RS232, RS485 or CANBUS.
5. the intelligent dispatching system towards parallel power battery pack according to claim 1, it is characterised in that the parallel connection
Power battery pack is connected by output bus with outer load, and controlling switch is provided with the output bus.
6. the dispatching method of a kind of intelligent dispatching system towards parallel power battery pack, it is characterised in that considering current electricity
Under the multi input parameter of pond state parameter, load condition parameter and working environment state parameter, parallel power battery pack is carried out
Intelligent scheduling.
7. the dispatching method of the intelligent dispatching system towards parallel power battery pack according to claim 6, its feature exists
In comprising the following steps：
S100, gathered data, calculating parameter
By the vibration of data collecting module collected real-time voltage, real-time current, real time temperature, on off state and battery, deformation,
The parameter of humidity, and calculate analysis battery status parameter, load condition parameter and working environment state parameter；The battery status
Parameter includes remaining capacity SOC and health status SOH, and the load condition parameter includes the gross output P in electric loop
With the variable quantity △ P of parallel power battery pack gross output, the working environment state parameter include temperature, vibration, deformation
And humidity；
S101, safety state analysis
Working environment state parameter is analyzed by the logic judgment module in control system, assesses the peace of each power battery pack
Total state；
S102, mode decision
The intelligent scheduling pattern that judgement is currently needed for, i.e. electric quantity balancing pattern or repid discharge pattern；
S103, call associative mode optimize program
Logic judgment module in the controls calls corresponding model-based optimization program, to present battery status and load condition
Parameter analysis draw the NextState amount of switch module；
S104, switch module perform optimum results
Intelligent scheduling output result is transmitted to switch module by control system, and switch module performs optimum results.
8. the dispatching method of the intelligent dispatching system towards parallel power battery pack according to claim 7, its feature exists
In step S101 concrete modes are as follows：
Drawn with deformation limit, humidity extremes, maximum safe current, maximum safe voltage, minimum safe voltage, temperature limit parameter
Separate multidimensional closing space, referred to as battery status place of safety；As long as when the deformation limit or humidity of some power battery pack
Absolute rating carries out whole cutoff process beyond battery status place of safety to whole intelligent dispatching system, sends alarm；When complete
The deformation limit and humidity extremes parameter of portion's power battery pack all within battery status place of safety, and in some electrokinetic cell
In the maximum safe current parameter of group, maximum safe voltage parameter, minimum safe voltage parameter, temperature limit parameter any one
Parameter carries out cut-out shutdown treatment to the power battery pack, and send alarm not when within battery status place of safety.
9. the dispatching method of the intelligent dispatching system towards parallel power battery pack according to claim 7, its feature exists
In, in step S102,
The electric quantity balancing pattern is：Balanced mode is opened when each power battery pack dump energy difference is excessive, it is negative meeting
Carry the switch of as few as possible unlatching switch module on the premise of power and circuit safety, and it is preferential open current residual electricity compared with
The contactor of many power battery packs；
The repid discharge pattern is：As few as possible unlatching switch module on the premise of bearing power and circuit safety is met
Switch, and the preferential contactor for opening the less power battery pack of current residual electricity.
10. the dispatching method of the intelligent dispatching system towards parallel power battery pack according to claim 7, its feature exists
In step S103 concrete modes are as follows：
Under electric quantity balancing pattern, when whole power battery packs are operated within battery status place of safety, to present battery shape
State parameter and load condition Parameter analysis draw the NextState amount of switch module, specific as follows：S103a1, first by N number of dynamic
The dump energy of power battery pack（SOC）With the electric discharge top grade that temperature T determines N number of power battery pack, wherein, K=f1（SOC, T）, K
Bigger, priority is higher, functional relation f1By engineering experience gained；S103a2, by load general power and N number of power battery pack
Maximum Safety output electric current determine at least need this moment M (1≤M≤N) organize power battery pack be powered；S103a3, full
On the premise of sufficient load request and safe-discharge, principle of first being discharged according to high priority power battery pack electric discharge is adjusted
Degree；
Under repid discharge module, when whole power battery packs are operated within battery status place of safety, to present battery shape
State parameter and load condition Parameter analysis draw the NextState amount of switch module, specific as follows：S103b1, first by N number of dynamic
The dump energy of power battery pack（SOC）With the electric discharge priority that temperature T determines N number of power battery pack, wherein, K=f2（SOC, T）,
K is bigger, and priority is higher, functional relation f2By engineering experience gained；S103b2, by load general power and N number of electrokinetic cell
The maximum Safety output electric current of group determines that at least needing M (1≤M≤N) to organize power battery pack this moment is powered；S103b3,
On the premise of meeting load request and safe-discharge, principle of first being discharged according to high priority power battery pack electric discharge is carried out
Scheduling.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710050146.0A CN106786491A (en) | 2017-01-23 | 2017-01-23 | A kind of intelligent dispatching system and its dispatching method towards parallel power battery pack |
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