CN107276148A - High-efficient management and control system of electric automobile battery charge-discharge - Google Patents
High-efficient management and control system of electric automobile battery charge-discharge Download PDFInfo
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- CN107276148A CN107276148A CN201710403014.1A CN201710403014A CN107276148A CN 107276148 A CN107276148 A CN 107276148A CN 201710403014 A CN201710403014 A CN 201710403014A CN 107276148 A CN107276148 A CN 107276148A
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- 238000007599 discharging Methods 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000008569 process Effects 0.000 claims abstract description 7
- 238000012545 processing Methods 0.000 claims description 19
- 230000005611 electricity Effects 0.000 claims description 17
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical group [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 claims description 4
- 229910001416 lithium ion Inorganic materials 0.000 claims description 4
- 230000009467 reduction Effects 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 238000005259 measurement Methods 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims description 2
- 230000000153 supplemental effect Effects 0.000 claims description 2
- 241000208340 Araliaceae Species 0.000 claims 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 claims 1
- 235000003140 Panax quinquefolius Nutrition 0.000 claims 1
- 235000008434 ginseng Nutrition 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000035945 sensitivity Effects 0.000 abstract description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 6
- 229910052744 lithium Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 3
- 238000013480 data collection Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
Classifications
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- H02J7/0026—
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/48—Accumulators combined with arrangements for measuring, testing or indicating the condition of cells, e.g. the level or density of the electrolyte
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/0036—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits using connection detecting circuits
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
- H01M10/425—Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
- H01M2010/4271—Battery management systems including electronic circuits, e.g. control of current or voltage to keep battery in healthy state, cell balancing
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00304—Overcurrent protection
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
- H02J7/0029—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with safety or protection devices or circuits
- H02J7/00306—Overdischarge protection
-
- 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
- H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
- H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Secondary Cells (AREA)
- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The invention discloses a high-efficiency management and control system for charging and discharging of an electric vehicle battery, which comprises: the charging and discharging alarm system comprises a main control module, a battery module, a data acquisition module, a charging and discharging control module, a charging and discharging protection module, a safety protection module, a storage module and a display alarm module. The efficient management and control system for charging and discharging the batteries of the electric automobile, disclosed by the invention, can be used for performing charging and discharging management and control on each group of battery modules according to priority levels, reasonably controlling the discharging parameters of the batteries according to load conditions, prolonging the service life of the batteries to the maximum extent by using the charging and discharging protection modules, further having a power utilization safety protection function, effectively realizing monitoring of the parameters in the charging and discharging process of the electric automobile, providing a precondition guarantee for the operation safety of the electric automobile, and having the advantages of accuracy and high sensitivity in management and control, intelligent and flexible control, low energy consumption, higher use value and wider application prospect.
Description
Technical field
The present invention relates to battery charging and discharging technical field, and in particular to a kind of efficient management and control system of batteries of electric automobile discharge and recharge
System.
Background technology
Due to increasingly serious, the shortage of the fossil fuel such as oil of problem of environmental pollution, pure electric automobile technology is promoted to fly
Speed development.And lithium ion battery is due to good characteristics such as high energy force density, high monomer voltage and high performance price ratios,
So being used for the electrical source of power of pure electric automobile on a large scale.But for pure electric automobile, to battery charging and discharging
Process, the monitoring of all kinds of operational factors and all extremely important to the locating and tracking of electric automobile, while can also improve electronic
The security of automobilism.
Many electric automobiles are all to use lithium battery as reserve battery, the service life of lithium battery and filling for battery at present
Electric number of times has larger relation.However, most portable set is not controlled to the charging of lithium battery, such as when power supply is suitable
After orchestration access external communication electricity, lithium battery can then be charged automatically, and the electricity of lithium battery now is likely to also be enough
Maintain portable set running for quite a long time, so then may cause making for battery because of the increase of the charging times of lithium battery
Reduced with the life-span.
Batteries of electric automobile charge-discharge system of the prior art can not according to load or battery adjusting performance electricity
The charging and discharging parameter in pond, battery easily produces overshoot or the phenomenon of deep discharge, also not by each unit in battery
Classified, discharge and recharge in order, leverage the service life and discharge and recharge number of times of battery, abnormal conditions occur and also can not
Protected in time.
To sum up, it is badly in need of a kind of intelligence, effective batteries of electric automobile charge-discharge control system at this stage, it is above-mentioned to solve
Problem.
The content of the invention
In view of the shortcomings of the prior art, the present invention provides a kind of efficient managing and control system of batteries of electric automobile discharge and recharge, the electricity
Discharge and recharge efficient managing and control system in pond can carry out discharge and recharge management and control by priority level to each group battery module, can be according to load condition
The discharge parameter of battery is rationally controlled, charge and discharge protecting module can farthest extend the service life of battery, additionally have
Useful electricity security protection function, have effectively achieved the monitoring to electric automobile charge and discharge process parameter, be electric automobile operation
Premise guarantee is safely provided, flexibly power consumption is few for the accurate sensitive efficiency high of whole system management and control, control intelligence, makes with higher
With value and wide application prospect.
The present invention solves technical problem and adopted the following technical scheme that：
The invention provides a kind of efficient managing and control system of batteries of electric automobile discharge and recharge, including：
Main control module, battery module, data acquisition module, discharge and recharge management and control module, security protection module, memory module, display
Alarm module；
The main control module is used for the data that processing data acquisition module and load data acquisition module are collected, and locates by analysis
After reason, corresponding command signal is sent to discharge and recharge management and control module, security protection module, memory module, display alarm module；
The battery module includes several Battery pack modules, and each Battery pack module is by multiple monocells (battery unit point
The monocell group not constituted is connected in series and constituted；
The data acquisition module includes discharge and recharge data acquisition module, battery data acquisition module, load data acquisition module；
The discharge and recharge data acquisition module is used to gather battery charging and discharging number of times, charging interval, stand-by time and to load discharge
Run time；The battery data acquisition module is used for voltage, electric current, temperature, capacity and the electricity for gathering each group battery module
Supplemental characteristic feeding main control module carries out data processing or feeding memory module is stored；The load data acquisition module
Including car speed acquisition module, motor speed acquisition module, motor torsion acquisition module；The load data gathers mould
Block is used for the rotating speed and torque data for gathering automobile driving speed, motor, and feeding main control module carries out data processing and obtained
Load consuming power, sends command signal to discharge and recharge management and control module, obtains optimum output voltage and electric current；
The discharge and recharge management and control module includes charge and discharge control module and charge and discharge protecting module；The charge and discharge control module bag
Include discharge and recharge handover module, ac-dc conversion circuit, booster circuit, reduction voltage circuit；The charge and discharge control module is according to master control
The command signal that module is sent, on the one hand controls battery module reasonably to be switched between charging and discharging, on the other hand may be used
To control battery module output of externally discharging to meet the suitable voltage of load request or that alternating current is converted into suitable voltage is big
Small powered by direct current pond module charging is used；The charge-discharge protection circuit includes deep discharge protection module, constant current constant voltage
Module, pulse-width modulation circuit；Charge and discharge protecting module is used to prevent the over-pressed phenomenon of appearance in battery charging overshoot, in discharge process
In there is deep discharge, while effectively preventing infringement of the burr phenomena in circuit to battery；
When the security protection module is used for the instruction sent according to main control module or load data generation exception more than threshold value,
The electric current output of system is disconnected in time or is inputted, and has been reached that protection battery module and electric automobile are without prejudice, has been prevented the person
The generation of security incident；
The memory module is used for storing discharge and recharge data acquisition module, battery data acquisition module, load data acquisition module
The data collected and the control program or information that pre-set, for main control module calls；
The display alarm module is used for the data that display battery data acquisition module, load data acquisition module are collected in real time
Information, when data exceed threshold value, can according to circumstances be divided into different danger classes, and send corresponding alarm signal；
Preferably, the main control module is one kind in DSP, FPGA, ARM.
Preferably, the battery data acquisition module includes battery temperature sensor, cell output voltage measurement road, battery
Output current measuring circuit, charging voltage measuring circuit, charging current measuring circuit, battery capacity sample circuit, battery electric quantity
Detect circuit, discharge and recharge counting how many times circuit；The battery data acquisition module is used for voltage, the electricity for gathering each group battery module
Stream, temperature, capacity and electrical parameter data feeding main control module carry out data processing or feeding memory module is stored.
Preferably, the battery that the main control module is collected according to battery data acquisition module, load data acquisition module
Information about power and load consumption power information, processing obtain course continuation mileage feeding display alarm module and feed back to driver in time
Member.
Preferably, the discharge and recharge handover module is MUX circuit.
Preferably, the memory module includes ram module, SD card module, usb interface module, described to deposit at random
Memory modules are used for main control module with the use of to increase the speed of internal memory and data processing, and the SD card module is used to grow
The various data of time storage collection, the convenient export replicate data of the usb interface module.
Preferably, the display alarm module includes electronic display, voice broadcast module, alarm lamp and alarm calls
Device.
Preferably, the temperature for each group battery module that the main control module is fed back to according to data acquisition module, capacity, electricity
Amount etc. information, according to reference value set in advance carry out discharge and recharge priority ordering, according to the order of sequence send command signal to
Discharge and recharge management and control module, carries out charge and discharge electrically operated to each group battery module successively.
Preferably, the battery unit is lithium ion battery.
Compared with prior art, the present invention has following beneficial effect：
（1）A kind of main control module of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention employs DSP, FPGA, ARM
In a kind of microprocessor, its power consumption is smaller, reliability is higher, programming is simple, efficiency is higher, price is relatively low, data processing
Speed, can effectively improve sensitivity and the reliability of managing and control system, and the energy consumption of reduction has saved resource.
（2）A kind of charge and discharge protecting module of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention works as battery mould
When block voltage is relatively low, charged under the maximum current of setting, with being continuously increased for battery module voltages, charging current subtracts therewith
It is small, most at last battery module it is constant one setting magnitude of voltage on, carry out floating charge, it is to avoid beyond battery module capacity or go out
It is existing empty full, it is to avoid overcurrent and overvoltage phenomenon, on the one hand just allow to charge the battery in battery decline to predetermined value, allow electricity
Pond will not maintain full state for a long time, and on the other hand carrying out constant-current charge to battery avoids overcurrent and overvoltage phenomenon,
Effectively increase the service life of battery；Simultaneously because the height of depth of discharge and the charge lifetimes of rechargeable battery have very deep pass
System, when the depth of discharge of battery is deeper, its charge lifetimes is shorter, and the service life of battery can be caused to shorten, therefore depth is put
Electric protection module can be prevented effectively from this point.
（3）Security protection module in a kind of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention can be negative
Timely automated turn-off current output when occurring exception or artificially needing is carried, personal safety as well as the property safety is farthest protected.
（4）The load data acquisition module set in a kind of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention
Including electric device rotating speed acquisition module, electric device torsion acquisition module, load institute can be effectively collected in real time in time
Watt level is needed, controller module is fed back in time, on the one hand the size to control cell discharge voltage and electric current can have
Effect provides enough power and supplies electric automobile during traveling, and another aspect main control module can be according to load consuming power data and battery
Information about power, processing obtains course continuation mileage feeding display alarm module and feeds back to human pilot in time.
（5）The display alarm module that a kind of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention is used includes electricity
Sub- display screen, voice broadcast module, alarm lamp and acoustic alarm, can make human pilot intuitively grasp electric automobile
The relevant parameter of battery, warning system can be attracted much attention timely and effectively, and can carry out voice according to danger classes
Report and blow a whistle alarm, substantially increase the function and efficiency of whole system.
（6）Battery data acquisition module is gathered each by a kind of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention
Voltage, electric current, temperature, capacity and the electrical parameter data feeding main control module of Battery pack module, are carried on the back according to comprehensive analysis is called
Scape data, carry out priority ranking to each group battery module, send command signal according to the order of sequence and give discharge and recharge management and control mould
Block, it is electrically operated to the progress charge and discharge of each group battery module successively, battery is effectively made full use of within the shortest time, effect is improved
Rate.
（7）A kind of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention have effectively achieved to be filled to electric automobile
The monitoring of discharge process parameter, is that electric automobile operation has safely provided premise guarantee, the accurate sensitive efficiency of whole system management and control
Flexibly power consumption is few for high, control intelligence, with higher use value and wide application prospect.
Brief description of the drawings
By reading the detailed description made with reference to the following drawings to non-limiting example, further feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the efficient managing and control system schematic diagram of a kind of batteries of electric automobile discharge and recharge of the invention；
Fig. 2 is a kind of data acquisition module schematic diagram of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention；
Fig. 3 is a kind of battery data acquisition module diagram of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention；
Fig. 4 is that a kind of charge and discharge control module of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention and discharge and recharge are protected
Protect module diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
As Figure 1-4, a kind of efficient managing and control system of batteries of electric automobile discharge and recharge of the present embodiment, including：
Main control module 1, battery module 2, data acquisition module 3, discharge and recharge management and control module 4, security protection module 5, memory module
6th, display alarm module 7；
The main control module 1 is used for the data that processing data acquisition module 3 is collected, after handling by analysis, to charge and discharge fulgurite
Control module 4, security protection module 5, memory module 6, display alarm module 7 send corresponding command signal；
The battery module 2 includes several Battery pack modules, and each Battery pack module is by multiple monocells (battery unit point
The monocell group not constituted is connected in series and constituted；
The data acquisition module 3 includes discharge and recharge data acquisition module 31, battery data acquisition module 32, load data collection
Module 33；The discharge and recharge data acquisition module 31 is used to gather battery charging and discharging number of times, charging interval, stand-by time and right
Load discharge run time；The battery data acquisition module 32 be used to gathering the voltage of each group battery module, electric current, temperature,
Capacity and electrical parameter data feeding main control module carry out data processing or feeding memory module is stored；The load number
Include car speed acquisition module, motor speed acquisition module, motor torsion acquisition module according to acquisition module 33；It is described negative
Lotus data acquisition module is used for the rotating speed and torque data for gathering automobile driving speed, motor, and feeding main control module 1 is carried out
Data processing obtains load consuming power, sends command signal to discharge and recharge management and control module 4, obtains optimum output voltage and electricity
Stream；
The discharge and recharge management and control module 4 includes charge and discharge control module 41 and charge and discharge protecting module 42；The charge and discharge control
Module includes discharge and recharge handover module 411, ac-dc conversion circuit 412, booster circuit 413, reduction voltage circuit 414；The charge and discharge
The command signal that electric control module 4 is sent according to main control module 2, on the one hand controls being charged and discharged for the 2-in-1 reason of battery module
Between switch over, on the other hand can control battery module 2 externally electric discharge output meet load request suitable voltage or will
The charging of powered by direct current pond module 2 that alternating current is converted to suitable voltage size is used；The charge-discharge protection circuit 42 includes
Deep discharge protection module 421, constant current constant voltage module 422, pulse-width modulation circuit 423；Charge and discharge protecting module 42 is used to prevent
Occur over-pressed phenomenon in battery charging overshoot, occur deep discharge in discharge process, while effectively preventing the burr in circuit
Infringement of the phenomenon to battery；
The security protection module 5 is used for the instruction sent according to main control module 1 or load data occurs exception and exceedes threshold value
When, the electric current output of system is disconnected in time or is inputted, and has been reached that protection battery module 2 and electric automobile are without prejudice, has been prevented
The generation of personal safety accident；
The memory module 6 is used for storing discharge and recharge data acquisition module 31, battery data acquisition module 32, load data collection
Data that module 33 is collected and the control program or information pre-set, so that main control module 1 is called；
The display alarm module 7 is used for display battery data acquisition module 32, load data acquisition module 33 in real time and collected
Data message, when data exceed threshold value when, can according to circumstances be divided into different danger classes, and send corresponding alarm signal
Number；
Main control module 1 is ARM microprocessor in the present embodiment.
Battery data acquisition module 32 includes battery temperature sensor 321, cell output voltage measurement road in the present embodiment
322nd, cell output current measuring circuit 323, charging voltage measuring circuit 324, charging current measuring circuit 325, battery capacity
Sample circuit 326, battery power detection circuit 327, discharge and recharge counting how many times circuit 328；The battery data acquisition module 32
Voltage, electric current, temperature, capacity and electrical parameter data feeding main control module for gathering each group battery module are carried out at data
Reason or feeding memory module 6 are stored.
Main control module 1 is collected according to battery data acquisition module 32, load data acquisition module 33 in the present embodiment
Battery level information and load consumption power information, processing obtain timely feed back to of course continuation mileage feeding display alarm module 7 and driven
Sail personnel.
Discharge and recharge handover module 411 is MUX circuit in the present embodiment.
Memory module 6 includes ram module, SD card module, usb interface module in the present embodiment, described to deposit at random
Memory modules are used for main control module with the use of to increase the speed of internal memory and data processing, and the SD card module is used to grow
The various data of time storage collection, the convenient export replicate data of the usb interface module.
Display alarm module 7 includes electronic display, voice broadcast module, alarm lamp and alarm calls in the present embodiment
Device.
The temperature for each group battery module that main control module 1 is fed back to according to data acquisition module 3 in the present embodiment, capacity,
The information such as electricity, carry out discharge and recharge priority ordering according to reference value set in advance, command signal are sent according to the order of sequence
To discharge and recharge management and control module 4, charge and discharge is carried out to each group battery module successively electrically operated.
Battery unit is lithium ion battery in the present embodiment.
A kind of efficient managing and control system of batteries of electric automobile discharge and recharge of the present invention, is entered by priority level to each group battery module
Row discharge and recharge management and control, can rationally control the discharge parameter of battery according to load condition, and charge and discharge protecting module can be farthest
Extend the service life of battery, additionally with Electrical Safety defencive function, have effectively achieved to electric automobile discharge and recharge
The monitoring of journey parameter, is that electric automobile operation has safely provided premise guarantee, whole system management and control accurate sensitive efficiency high, control
Flexibly power consumption is few for intelligence, substantially increases the intelligent level of electric automobile, the system has open, modular feature, practical
Property high, with higher practical value and widely application prospect.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
It may be appreciated other embodiment.
Claims (9)
1. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge, it is characterised in that including：Main control module, battery module, number
According to acquisition module, discharge and recharge management and control module, security protection module, memory module, display alarm module；
The main control module is used for the data that processing data acquisition module and load data acquisition module are collected, and locates by analysis
After reason, corresponding command signal is sent to discharge and recharge management and control module, security protection module, memory module, display alarm module；
The battery module includes several Battery pack modules, and each Battery pack module is by multiple monocells (battery unit point
The monocell group not constituted is connected in series and constituted；
The data acquisition module includes discharge and recharge data acquisition module, battery data acquisition module, load data acquisition module；
The discharge and recharge data acquisition module is used to gather battery charging and discharging number of times, charging interval, stand-by time and to load discharge
Run time；The battery data acquisition module is used for voltage, electric current, temperature, capacity and the electricity for gathering each group battery module
Supplemental characteristic feeding main control module carries out data processing or feeding memory module is stored；The load data acquisition module
Including car speed acquisition module, motor speed acquisition module, motor torsion acquisition module；The load data gathers mould
Block is used for the rotating speed and torque data for gathering automobile driving speed, motor, and feeding main control module carries out data processing and obtained
Load consuming power, sends command signal to discharge and recharge management and control module, obtains optimum output voltage and electric current；
The discharge and recharge management and control module includes charge and discharge control module and charge and discharge protecting module；The charge and discharge control module bag
Include discharge and recharge handover module, ac-dc conversion circuit, booster circuit, reduction voltage circuit；The charge and discharge control module is according to master control
The command signal that module is sent, on the one hand controls battery module reasonably to be switched between charging and discharging, on the other hand may be used
To control battery module output of externally discharging to meet the suitable voltage of load request or that alternating current is converted into suitable voltage is big
Small powered by direct current pond module charging is used；The charge-discharge protection circuit includes deep discharge protection module, constant current constant voltage
Module, pulse-width modulation circuit；Charge and discharge protecting module is used to prevent the over-pressed phenomenon of appearance in battery charging overshoot, in discharge process
In there is deep discharge, while effectively preventing infringement of the burr phenomena in circuit to battery；
When the security protection module is used for the instruction sent according to main control module or load data generation exception more than threshold value,
The electric current output of system is disconnected in time or is inputted, and has been reached that protection battery module and electric automobile are without prejudice, has been prevented the person
The generation of security incident；
The memory module is used for storing discharge and recharge data acquisition module, battery data acquisition module, load data acquisition module
The data collected and the control program or information that pre-set, for main control module calls；
The display alarm module is used for the data that display battery data acquisition module, load data acquisition module are collected in real time
Information, when data exceed threshold value, can according to circumstances be divided into different danger classes, and send corresponding alarm signal.
2. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge according to claim 1, it is characterised in that the master
It is one kind in DSP, FPGA, ARM to control module.
3. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge according to claim 1, it is characterised in that the electricity
Pond data acquisition module includes battery temperature sensor, cell output voltage measurement road, cell output current measuring circuit, charging
Tension measuring circuit, charging current measuring circuit, battery capacity sample circuit, battery power detection circuit, discharge and recharge number of times meter
Number circuit；The battery data acquisition module is used to gather the voltage of each group battery module, electric current, temperature, capacity and electricity ginseng
Number data feeding main control module carries out data processing or feeding memory module is stored.
4. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge according to claim 1, it is characterised in that the master
Battery level information and load consumption power that control module is collected according to battery data acquisition module, load data acquisition module
Information, processing obtains course continuation mileage feeding display alarm module and feeds back to human pilot in time.
5. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge according to claim 1, it is characterised in that described to fill
Electric discharge handover module is MUX circuit.
6. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge according to claim 1, it is characterised in that described to deposit
Storing up module includes ram module, SD card module, usb interface module, and the ram module is used for and master control mould
Block uses cooperatively to increase the speed of internal memory and data processing, and the SD card module is used for the various numbers for storing collection for a long time
According to the convenient export replicate data of the usb interface module.
7. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge according to claim 1, it is characterised in that described aobvious
Show that alarm module includes electronic display, voice broadcast module, alarm lamp and acoustic alarm.
8. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge according to claim 1, it is characterised in that the master
The information such as control module temperature, capacity, the electricity of each group battery module that are fed back to according to data acquisition module, according to presetting
Reference value carry out discharge and recharge priority ordering, command signal is sent according to the order of sequence and gives discharge and recharge management and control module, it is right successively
It is electrically operated that each group battery module carries out charge and discharge.
9. a kind of efficient managing and control system of batteries of electric automobile discharge and recharge according to claim 1, it is characterised in that the electricity
Pool unit is lithium ion battery.
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| CN201710403014.1A CN107276148A (en) | 2017-06-01 | 2017-06-01 | High-efficient management and control system of electric automobile battery charge-discharge |
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| CN201710403014.1A CN107276148A (en) | 2017-06-01 | 2017-06-01 | High-efficient management and control system of electric automobile battery charge-discharge |
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| CN107323302A (en) * | 2017-07-29 | 2017-11-07 | 合肥赛度电子科技有限公司 | A kind of efficient managing and control system of batteries of electric automobile discharge and recharge |
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| CN114285095A (en) * | 2021-11-26 | 2022-04-05 | 华北电力大学（保定） | Frequency modulation control strategy for centralized battery energy storage power station based on secondary grouping |
| CN114285095B (en) * | 2021-11-26 | 2023-07-07 | 华北电力大学（保定） | Centralized battery energy storage power station frequency modulation control strategy based on secondary grouping |
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