CN106505694B - A kind of management system and control method of intelligent battery group - Google Patents

A kind of management system and control method of intelligent battery group Download PDF

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Publication number
CN106505694B
CN106505694B CN201611262130.8A CN201611262130A CN106505694B CN 106505694 B CN106505694 B CN 106505694B CN 201611262130 A CN201611262130 A CN 201611262130A CN 106505694 B CN106505694 B CN 106505694B
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battery
intelligent
intelligent battery
battery core
core
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CN106505694A (en
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卢文浩
何宇能
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卢文浩
何宇能
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    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/48Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte
    • H01M10/482Accumulators combined with arrangements for measuring, testing or indicating condition, e.g. level or density of the electrolyte for several batteries or cells simultaneously or sequentially
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0022Management of charging with batteries permanently connected to charge circuit
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0013Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially
    • H02J7/0026Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries acting upon several batteries simultaneously or sequentially using safety or protection circuits, e.g. overcharge/discharge disconnection
    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/425Structural combination with electronic components, e.g. electronic circuits integrated to the outside of the casing
    • H01M10/4257Smart batteries, e.g. electronic circuits inside the housing of the cells or batteries
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0063Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • H02J2007/0067Discharge management, i.e. discharge current reduction at low state of charge, sequential battery discharge in systems with a plurality of battery
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries

Abstract

The present invention discloses the management system and control method of a kind of intelligent battery group, the management system includes: intelligent battery group, the intelligent battery group is composed in parallel by multiple intelligent battery cores, and each intelligent battery core is connected with single battery core by an intelligent battery management power module and formed;Multiple respective first output ends of intelligent battery core link together, second output terminal is joined together to form ac bus perhaps the DC bus output end ac bus or DC bus output end connection power distribution unit;The power distribution unit is connected to load and is powered.The present invention is in real time electrically removed fail battery core by online from system, battery pack can not powered off in real time to continue to run, change the high string and building form of battery pack, each battery is changed to individually to operate, improve battery set charge/discharge reliability of operation, the accident having a power failure will not be occurred suddenly by realizing when electrical equipment is energized by battery pack, improve the safety in operation of electrical equipment.

Description

A kind of management system and control method of intelligent battery group
Technical field
The present invention relates to intelligent battery technical field more particularly to a kind of management systems and control of intelligent battery group Method.
Background technique
With the development of the times with science and technology rapid advances, people to electrical equipment (such as all-electric automobile, it is all-electric fly Machine, all-electric ship etc.) it is higher and higher by the reliability requirement of large-capacity battery pack powered operation, once power-off will lead to sternly suddenly The economic loss or even personal safety accident of weight.
Battery pack in currently available technology is formed in parallel and serial with multiple monocell cores, (such as Fig. 1 It is shown), multiple battery parallel connections are to be able to the output of large capacity electric current and (such as compose in parallel one by battery A1, A2, A3 ... AN A battery unit A composes in parallel a battery unit B ... by battery N1, N2, N3 ... NN simultaneously by battery B1, B2, B3 ... BN One battery unit N of connection composition), series connection is to obtain high-voltage direct-current output (battery unit A, battery unit B ... battery list First N connects), battery pack can only use same class uniform specification battery, in actual use to battery in battery pack core The electric parameters such as internal resistance, battery capacity require consistency very high.
Current battery type includes lithium Fe battery (belonging to one kind of lithium battery, such as iron lithium phosphate, lithium titanate etc.), plumbic acid electricity Pond (being made of a kind of electrode mainly by lead and its oxide, electrolyte is the battery of sulfuric acid solution) and metal fuel battery Deng.
Battery pack is in parallel by many batteries, then connects, and high string and characteristic (such as the phosphorus for electric vehicle of battery pack Sour lithium iron power battery pack is up to the series connection of 100 multiple groups batteries) lead to electric property coherence request pole to single battery core Height, internal resistance, power capacity, nominal voltage, self discharge comprising battery etc., battery screens concordance rate pole in production process Low, cost is high, is also required to be matched with the battery of identical parameters as far as possible when forming battery pack.
The electrical structure mode of height string simultaneously may bring a fatal drawback at runtime, and battery pack often contains into hundred The identical battery of thousands of a characteristics, power battery pack installation environment is such as touched if there is extremely uncontrollable failure in operation It hits and certain batteries is caused damage occur when squeezing and also result in the stopping output of whole group battery pack, the unexpected power loss of electrical equipment is made At personal safety accident and property loss;In addition if after battery pack such as operation a period of time, wherein each battery is due to electricity Compression ring border is inconsistent to cause electric property inconsistent, it is easy to some single battery core failure phenomenons be caused (to overcharge, is over-discharge, short Phenomena such as road, broken string, overheat), then battery pack, which also will appear failure, stops output.
As shown in Figure 1 be existing battery pack composed structure schematic diagram, in fact it could happen that failure:
1. A2, A3 to AN also can be short-circuit when A1 failure short circuit, them are caused to damage because of short circuit, at this time cell tube Reason system is bound to that whole group battery is allowed to stop output;
2. battery pack principal current all flows through A2, A3 to AN when A1 failure open circuit, if the fully loaded output of battery pack Or overload output, A2, A3 to AN be easy to lead to cell damage because of over-discharge, and battery management system is also bound to allow whole group battery Stop output;
3. if Arbitrary Fault battery unit (any one of A-N battery unit) open circuit, whole group battery pack vertical in series connection It is i.e. also breaking without output;
4. the electric parameter of certain batteries can change in numerous batteries because battery is used for a long time, lead to battery The consistency of core changes, such as the internal resistance of A1 becomes smaller, then the electric current for flowing through it becomes larger, fever is more, be easy failure and Damage, and if A1 damage whole group battery is not out of service will lead to chain reaction more batteries is allowed to damage, ultimately cause Heavy losses.
When existing batteries management system (BMS) reports certain battery failures to need repairing, it is necessary to which entire battery pack is stopped It only works, then repairs replacement fail battery core, lead control equipment shutdown, can not work online maintenance, when in all-electric automobile Way power-off can bring great inconvenience to car owner.
In addition, maintenance removes fail battery core and when replacing, often lead to meet the battery pack electrical performance demands consistent The battery of property can not be matched to, and whole group battery is caused to remove, and breaking each useful battery in battery pack can only recycle, Customer using cost is high, wastes huge.
Battery pack can not add battery online at runtime and increase battery capacity, equally can not also pull out battery online Core is to reduce battery capacity.
Therefore, in view of the foregoing drawbacks, the existing technology needs to be improved and developed.
Summary of the invention
The technical problem to be solved in the present invention is that in view of the above drawbacks of the prior art, providing a kind of intelligent battery group Management system and control method, it is intended to fail battery core is electrically removed in real time from system by online, allows battery pack Battery set charge/discharge reliability of operation can be greatly improved with the continuous electricity operation of real-time continuous, reduce battery pack operation Maintenance cost, the accident having a power failure will not be occurred suddenly by realizing when electrical equipment is energized by battery pack, improve electrical equipment Safety in operation, changing power mode to electrical equipment (all-electric automobile, all-electric aircraft, all-electric ship etc.) implementation can low cost Efficient operation.
The technical proposal for solving the technical problem of the invention is as follows:
A kind of management system of intelligent battery group, wherein the management system includes:
Intelligent battery group, the intelligent battery group are composed in parallel by multiple intelligent battery cores, each intelligent battery core by One intelligent battery management power module connects composition with single battery core;
Multiple respective first output ends of intelligent battery core link together, second output terminal is joined together to form exchange Perhaps the DC bus output end ac bus or DC bus output end connect power distribution unit to bus;The distribution list Member is connected to load and is powered;
The intelligent battery management power module connect for individually control with intelligent battery management power module single Battery, and the failure that real-time management single battery core occurs, when single battery core breaks down, intelligent battery manages power Module carries out respective handling according to single battery core fault level, and intelligent battery core when for highest level failure externally stops Power supply, while notifying host or host computer, the entire still continuous electricity operation of intelligent battery group.
The management system of the intelligent battery group, wherein the intelligent battery manages power module and includes:
For presetting battery electric parameter, judging battery types, electric parameter is compensated and corrected, acquires event Barrier abnormal data simultaneously marks, and issues the battery intelligent recognition unit that interrupt processing requires;
For monitor connection battery real-time residual electric energy capacity, and in real time record by the real-time voltage of battery, The cell electrical performance intelligent monitoring unit of electric current and temperature;
Set the input and output electric current numerical value of intelligent battery core in real time for the type and electric parameter according to battery, with And the battery current that the interrupt processing of the sending of battery intelligent recognition unit described in real-time response requires distributes control unit in real time;
For being managed according to the type of battery and the specific data of electric parameter to the charge and discharge of battery and right The failure of appearance makes the battery operation protection control unit of protection management action in real time;
It is single that the battery intelligent recognition unit, cell electrical performance intelligent monitoring unit, battery current distribute control in real time Member and battery operation protection control unit form main control unit;
It is connect with the main control unit, for acquiring the battery data acquisition unit of battery core electric parameter data;
It is connect with the main control unit and battery data acquisition unit, the auxiliary of accessory power supply is served as obtaining voltage Power supply unit;
It is connect with the Auxiliary Power Units and main control unit, bus when preventing the cell failure using isolating transformer Voltage is added to the power cell on battery;
It is connect with the power cell, the EMC protection list for preventing electrical Interference, adapting to different electromagnetic compatible environments Member;
It is connect with the power cell, for identification when intelligent battery group is run on demand in wire insertion intelligent battery core Hot-plug interface unit;
It is connect with the hot-plug interface unit, main control unit, for receiving host computer or as the intelligence electricity of host Principal and subordinate's CAN bus communication unit of Chi Xin control.
The management system of the intelligent battery group, wherein intelligent battery group output choose to install as alternating voltage or Choose to install as DC voltage, the power cell include: for realizing each battery simultaneously on demand individually charging/discharging function, carry out Exchange the two-way AC/DC power cell of output or the two-way DC/DC power list for customizing voltage class, carrying out direct current output Member;
When the power cell is two-way AC/DC power cell, the intelligent battery group is exported with ac bus;
When the power cell is two-way DC/DC power cell, the intelligent battery group is exported with DC bus.
The management system of the intelligent battery group, wherein each intelligent battery core in the intelligent battery group passes through CAN bus mode is communicated;All intelligent battery cores are by CAN bus mode for receiving host computer or as host The control of intelligent battery core, the intelligent battery core as host are set as host after the selection of any one intelligent battery core, As the intelligent battery core failure for host, the intelligent battery core that management system random selection works normally is as host.
The management system of the intelligent battery group, wherein each intelligent battery core in the intelligent battery group passes through CAN bus mode is communicated, and when the quantity of intelligent battery core is greater than preset quantity, each intelligent battery core additionally connects one A monitoring management unit for individually being managed to each intelligent battery core.
The management system of the intelligent battery group, wherein the single battery core and intelligent battery manage power module Mounting means is close to installation;The positive and negative anodes of the single battery core are correspondingly connected with intelligent battery management power module input terminal Positive and negative anodes on;Intelligent battery core is connected with single battery core by an intelligent battery management power module and is formed, or by one A intelligent battery management power module and multiple battery strings and made of battery core pack connect composition.
The management system of the intelligent battery group, wherein each intelligent battery core physical connection in the intelligent battery group Mode be hot plug mode, the intelligent battery group operation when, by output power capacity requirement wire insertion increase or The quantity for reducing intelligent battery core is waited and is had ready conditions after intelligent battery core failure online processing a certain in intelligent battery group When alternate maintenance, hot plug is carried out according still further to intelligent battery core of the malfunction indicator lamp to failure, uses the battery of same type Core replaces fail battery core or replacement intelligent battery manages power module.
A kind of management system control method of intelligent battery group, wherein include:
Step A connects composition intelligent battery core by the way that single battery core is managed power module with intelligent battery, will be multiple Intelligent battery core composes in parallel the intelligent battery group for exporting direct current or exchange;
Step B, the intelligent battery group connects power distribution unit by ac bus or DC bus output end, described to match Electric unit is connected to load and is powered;
Step C, each intelligent battery core in the intelligent battery group is communicated by CAN bus mode, and is passed through CAN bus mode is used to receive host computer or the intelligent battery core as host controls;
Step D, it is online real-time when any one intelligent battery core breaks down in intelligent battery group operation use process Intelligent fault battery is handled by fault type, by the intelligent battery core of highest level failure in real time from intelligent battery group Middle electrically to be removed, the intelligent battery group, which does not power off, continues to run power supply.
The management system control method of the intelligent battery group, which is characterized in that the single battery core type includes Iron lithium phosphate battery core, lithium phosphate manganese battery core, lighium polymer battery core, metatitanic acid lithium cell, plumbic acid battery core, metal fuel battery core, ni-mh Battery core, colloid battery core;The type of single battery core is arbitrarily selected from the single battery core type in the intelligent battery group, The intelligent battery core connects intelligent battery management by the single battery core of identical type or different types of single battery core Power module composition;Same intelligent battery group can be mixed by different types of battery and be formed.
The management system control method of the intelligent battery group, wherein described online in real time by highest level failure Intelligent battery core is electrically removed from intelligent battery group, and the intelligent fault battery stops working;
Maintenance mode when intelligent battery group is run is hot plug mode.
The management system control method of the intelligent battery group, wherein each intelligent battery core connects a failure Indicator light, indicating to break down when the malfunction indicator lamp connecting with intelligent battery core lights needs repairing, the intelligent battery It is out of service and notify host computer or host that itself output is closed after core perception failure, is waited to have ready conditions and is referred to when repairing according to failure Show that lamp carries out hot plug physical removal to the intelligent battery core of failure, then using the battery replacement failure electricity of same type Pond core or replacement intelligent battery manage power module, and the intelligent battery core repaired turns back to intelligent battery group, entirely repaired Journey intelligent battery group can not stop powering or charge.
The present invention discloses the management system and control method of a kind of intelligent battery group, and the management system includes: intelligent electricity Pond group, the intelligent battery group are composed in parallel by multiple intelligent battery cores, and each intelligent battery core is by an intelligent battery pipe It manages power module and connects composition with single battery core;Multiple respective first output ends of intelligent battery core link together, second Output end is joined together to form ac bus perhaps the DC bus output end ac bus or DC bus output end Connect power distribution unit;The power distribution unit is connected to load and is powered;The intelligent battery management power module is for independent The single battery core connecting with intelligent battery management power module, and the failure that real-time management single battery core occurs are managed, when When single battery core breaks down, intelligent battery manages power module and carries out respective handling according to single battery core fault level, Intelligent battery core when for highest level failure externally stops powering, while notifying host or host computer, entire intelligent battery The still continuous electricity operation of group.
The present invention is in real time electrically removed fail battery core by online from system, allows battery pack can in real time constantly Electricity continues to run, and greatly improves battery set charge/discharge reliability of operation, reduces battery pack operating maintenance cost, realizes Electrical equipment the accident having a power failure will not occur when being energized by battery pack suddenly, improve the safety in operation of electrical equipment.Separately Outside, the present invention can be compatible with variety classes (such as: plumbic acid, ni-mh, lighium polymer, lithium Fe battery etc.), different electric parameter (examples Battery such as: internal resistance, battery residual capacity), and form intelligent battery group and be powered.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of present invention mode battery-powered in the prior art.
Fig. 2 is the composed structure schematic diagram of intelligent battery core in the management system of intelligent battery group of the present invention.
Fig. 3 is that single battery core and intelligent battery management power module mounting means structure are shown in intelligent battery core of the present invention It is intended to.
Fig. 4 is the management system overall structure schematic diagram of intelligent battery group of the present invention.
Fig. 5 is that intelligent battery manages each component units structural schematic diagram of power module in intelligent battery core of the present invention.
Fig. 6 is the flow chart of the preferred embodiment of the management system control method of intelligent battery group of the present invention.
Fig. 7 is processing stream when intelligent battery core breaks down in the management system operational process of intelligent battery group of the present invention Journey schematic diagram.
Fig. 8 is specific implementation when intelligent battery core breaks down in the management system operational process of intelligent battery group of the present invention It illustrates and is intended to.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer and more explicit, right as follows in conjunction with drawings and embodiments The present invention is further described.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and do not have to It is of the invention in limiting.
As shown in figure 4, the present invention provides a kind of management system of intelligent battery group, the management system includes an intelligence electricity Pond group 4, the intelligent battery group 4 are composed in parallel by multiple intelligent battery cores 1.
As shown in Fig. 2, each intelligent battery core 1 is connected by an intelligent battery management power module 3 and single battery core 2 Connect composition (or intelligent battery core 1 as intelligent battery management power module 3 and multiple battery strings and made of battery Group connection composition), the operating status of each single battery core 2 is managed by intelligent battery management power module 3.
The positive and negative anodes of the single battery core 2 are correspondingly connected with the positive and negative anodes of intelligent battery management 3 input terminal of power module On, 2 type of single battery core include iron lithium phosphate battery core, lithium phosphate manganese battery core, lighium polymer battery core, metatitanic acid lithium cell, Plumbic acid battery core, metal fuel battery core, ni-mh battery core, colloid battery core;The single electricity of intelligent battery core 1 in the intelligent battery group 4 The type of pond core 2 is arbitrarily selected from the single battery core type, that is to say, that intelligent battery group 4 is not by single battery core Type limits, and can use different types of battery in the same intelligent battery group 4.
As shown in figure 3, the mounting means of the single battery core 2 and intelligent battery management power module 3 be close to installation, When the volume of single battery core 2 is less than the volume of intelligent battery management power module 3, by single battery core 2 close to being mounted on intelligence An intelligent battery core 1(mounting means can be formed without limiting on battery management power module 3, mounting means can basis Actual demand is changed).
Referring to fig. 4 it is found that respective first output end of multiple intelligent battery cores 1 links together, second output terminal connects Together, i.e. physical connection using low inductance busbar method reduces electrical Interference mode (after bus L1 and bus L2 electric insulation Physics is superimposed) ac bus or DC bus output end 5(are formed by the intelligent battery management power of intelligent battery core The type selecting of power module determines in module, reaches the demand that output high-power power drives high power load), the ac bus Or DC bus output end 5 connects power distribution unit 6, the power distribution unit 6 is connected to load 7 and is powered.
In actual use, the capacity of 4 rated output electric energy of intelligent battery group is greater than the electricity of the actual needs of electrical equipment Energy capacity, that is, the working method of warm back-up, the quantity of intelligent battery core 1 is added by corresponding power consumption equipment capacity needs heat Standby redundancy capacity summation determines, if the type of the battery of multiple intelligent battery cores 1 and capacity are inconsistent, it is only necessary to multiple Total output capacity of intelligent battery core 1 reaches power consumption equipment capacity and adds redundancy capacity summation.
Each intelligent battery core 1 in the intelligent battery group 4 is communicated by CAN bus mode;All intelligence electricity Intelligent battery core of the pond core 1 by CAN bus mode for receiving host computer 8 or as host controls, described to be used as host Intelligent battery core be set as host after the selection of any one intelligent battery core, occur as the intelligent battery core for host former Barrier, the intelligent battery core that management system random selection works normally is as host.That is intelligent battery core 1 can be by host computer 8 controls, can also be set to host-guest architecture, any one intelligent battery core 1 is host, other intelligent battery cores are slave, if Host breaks down, and management system selects one of intelligent battery core hosted again automatically.
When intelligent battery group 4 operates normally, when wherein some intelligent battery core 1 failure, certainly such as intelligent battery core 1 Body perception failure can close itself output and out of service, then notify host or host computer 8, such as intelligent battery core 1 Hardware damage crashes without output, and host or host computer make corresponding control processing after finding out;Intelligent battery group 4 can accomplish It continues to run and is powered.
Each intelligent battery core 1 in the intelligent battery group 4 is communicated by CAN bus mode, anti-interference ability By force, when the quantity of intelligent battery core 1 is greater than preset quantity, the preset quantity is preferably 100, i.e., when intelligent battery core 1 When quantity is greater than 100, additionally connection one monitoring for individually being managed to each intelligent battery core of each intelligent battery 1 Administrative unit achievees the purpose that each intelligent battery core 1 is managed in grouping.
Each 1 physical connection mode of intelligent battery core is hot plug mode in the intelligent battery group 4, in the intelligent battery When 4 operation of group, increases by the requirement of output power capacity in wire insertion or reduce the quantity of intelligent battery core 1, when intelligent electricity In the group of pond after a certain intelligent battery core failure online processing, wait when having ready conditions alternate maintenance, according still further to malfunction indicator lamp pair The intelligent battery core of failure carries out hot plug, replaces fail battery core or replacement intelligence electricity using the battery of same type Pond manages power module 3, single battery core 2 and intelligent battery management power module 3 is integrated and machine together when repair demolition Tool movement.
The intelligent battery management power module 3 is for individually managing the list connecting with intelligent battery management power module 3 A battery 2, and the failure that real-time management single battery core 2 occurs, when single battery core 2 breaks down, intelligent battery pipe Reason power module 3 is handled according to 2 fault level of single battery core, when for highest level failure (highest level failure: for not Reversible failure, such as the physical damages such as dead short or open circuit, extrusion and collision) when intelligent battery core 1 externally stop supply Electricity, while notifying host or host computer 8, when entire intelligent battery group 4 still continuous electricity operation, i.e. single battery core failure, can be real-time It is out of service, intelligent battery group 4 is not influenced and operates normally work, battery pack reliability of operation is greatly improved, while without more Whole group battery is changed, fail battery core is replaced with same type battery, greatly saves user's economic cost.
As shown in figure 5, Fig. 5 is that intelligent battery manages each component units structure of power module in intelligent battery core of the present invention Schematic diagram.The intelligent battery manages power module 3
For presetting battery electric parameter, judging battery types, electric parameter is compensated and corrected, acquires event Barrier abnormal data simultaneously marks, and issues the battery intelligent recognition unit 31 that interrupt processing requires;The battery intelligent identification is single Member 31 can preset the cell electricals parameter such as battery variety, the DC voltage of the battery of connection can also be acquired, according to tool Body numerical value prejudges battery variety, then algorithmically carries out charge-discharge test to battery and obtains the residual electric energy capacity of battery, internal resistance Equal electrical parameters such as acquire data appearance exception and judge that battery occurs to do compensating approach to battery variety and electric parameter Failure, makes a mark and interrupt processing requirement;
For monitor connection battery real-time residual electric energy capacity, and in real time record by the real-time voltage of battery, The cell electrical performance intelligent monitoring unit 32 of electric current and temperature;The cell electrical performance intelligent monitoring unit 32 is according to right The real-time sampling for connecting the charging and discharging currents of battery can calculate the real-time internal resistance of the battery plus the real-time DC voltage of battery, By battery identification data comparison actual acquired data by the real-time residual electric energy capacity of the battery known to compensating approach, and in fact Shi Jilu passes through the real-time voltage and current of battery and real-time temperature;
Set the input and output electric current numerical value of intelligent battery core in real time for the type and electric parameter according to battery, with And the battery current that the interrupt processing of the sending of battery intelligent recognition unit described in real-time response requires distributes control unit 33 in real time; Due to having obtained the type and associated electrical parameters of battery, maximum current and minimum current to battery charging and discharging, root can be set According to host or the communication need of host computer 8, the input and output of intelligent battery core 1 are set in real time by algorithm to the electric current of bus Numerical value, and current values are set perhaps host computer 8 is reported and uploads corresponding host or 8 requirement of host computer and can do respectively to host Kind backoff algorithm confirms real-time current, and another each interrupt processing of real-time response requires final realization defeated to the input of intelligent battery core 1 The electric current for arriving bus out is managed in real time;
For being managed according to the type of battery and the specific data of electric parameter to the charge and discharge of battery and right The failure of appearance makes the battery operation protection control unit 34 of protection management action in real time;Corresponding battery operation is battery Charge and discharge compare real time data according to the battery operation figure of internal battery type, such as exceed the normal battery operation reasonable data Range, which can make adjusting and communicating in real time, informs host or host computer 8, is such as broken down according to data judgement and makes guarantor in real time Management action is protected with fail-safe further expansion;
The battery intelligent recognition unit 31, cell electrical performance intelligent monitoring unit 32, the real-time distribution pipe of battery current It controls unit 33 and battery operation protection control unit 34 forms main control unit 30.
The intelligent battery manages power module 3 further include: connect with the main control unit 30, for acquiring battery The battery data acquisition unit 35 of core electric parameter data;
It is connect with the main control unit 30 and battery data acquisition unit 35, serves as accessory power supply for obtaining voltage Auxiliary Power Units 36;Accessory power supply energy harvesting can be obtained by the battery that connects, can also be obtained from output bus or Built-in button baby battery obtains;
It is connect with the Auxiliary Power Units 36 and main control unit 30, handle when preventing the cell failure using isolating transformer Busbar voltage is added to the power cell 37 on battery;Female when the power cell 37 has isolating transformer to prevent the cell failure Line voltage is added on battery, avoids the safety accidents such as explosion;
It is connect with the power cell 37, the EMC protection list for preventing electrical Interference, adapting to different electromagnetic compatible environments Member 38;Multiple intelligent battery cores 1 have various electrical Interferences when working together exists, and it is anti-that each intelligent battery core 1 installs EMC additional It protects unit and reduces interference, adapt to complicated electromagnetic compatible environment;
It is connect with the power cell 37, for identification when intelligent battery group is run on demand in wire insertion intelligent battery core Hot-plug interface unit 39;Each 1 physical connection mode of intelligent battery core is hot plug mode in intelligent battery group 4, in whole group , can be on demand in wire insertion intelligent battery core when battery pack is run, it is anti-that the hot-plug interface unit 39 can add hot plug Unit is protected to adapt in the various interference of wire insertion;
It is connect with the hot-plug interface unit 39, main control unit 30, for receiving host computer or as the intelligence of host Principal and subordinate's CAN bus communication unit 40 of energy battery control;Each intelligent battery core 1 is subjected to the control of host computer 8 as slave, When can also be without host computer 8, certain intelligent battery core be randomly choosed as host, other are clump machine, again when host breaks down The intelligent battery core of a normal work is randomly choosed as host, communication modes CAN, strong antijamming capability.
Further, the management system of the intelligent battery group, wherein the output of intelligent battery group 4 chooses to install to hand over Galvanic electricity is pressed or chooses to install as DC voltage, and the power cell 37 includes: individually to fill on demand simultaneously for realizing each battery Discharging function, carry out exchange output two-way AC/DC power cell 371 or for customize voltage class, carry out direct current output Two-way DC/DC power cell 372.
When the power cell 37 is two-way AC/DC power cell 371, the intelligent battery group is defeated with ac bus Out;When the power cell 37 is two-way DC/DC power cell 372, the intelligent battery group is exported with DC bus.
It is added to that voltage on battery is minimum to be arrived when the 371 battery interface end of two-way AC/DC power cell is to battery discharge 1V to adapt to various types of battery, when charging be added to voltage on battery it is minimum to 0V to detect battery failures;Bus interface end When not connecing extraneous power grid, it is ups mode output voltage stabilization AC380V, AC220V, AC110V etc., such as connects extraneous alternating current Net, intelligent battery group is synchronous with extraneous AC network (such as to receive the external world AC voltage range 90V- when AV220V grade 264V), with realize each battery can simultaneously on demand independent charging/discharging function.
The on-demand customized grade from 48V to 800V in direct current voltage bus end, extraneous AC network access must add when charging Handing over straight converting unit to be adjusted to the two-way DC/DC power cell 372 needs voltage class with fail-safe.
Referring to Fig. 6, Fig. 6 is the process of the preferred embodiment of the management system control method of intelligent battery group of the present invention Figure.
As shown in fig. 6, a kind of management system control method of intelligent battery group provided in an embodiment of the present invention, including it is following Step:
Step S100 connects composition intelligent battery core by the way that single battery core is managed power module with intelligent battery, will Multiple intelligent battery cores compose in parallel the intelligent battery group for exporting direct current or exchange;
Step S200, the intelligent battery group connect power distribution unit, institute by ac bus or DC bus output end It states power distribution unit and is connected to load and be powered;
Step S300, each intelligent battery core in the intelligent battery group is communicated by CAN bus mode, and is led to Intelligent battery core of the CAN bus mode for receiving host computer or as host is crossed to control;
Step S400, when any one intelligent battery core breaks down in intelligent battery group operation use process, online Intelligent fault battery is handled by fault type in real time, by the intelligent battery core of highest level failure in real time from intelligent electricity Chi Zuzhong is electrically removed, and the intelligent battery group, which does not power off, continues to run power supply.
In the present invention, single battery core individually manages electric discharge by intelligent battery management power module, and range of operation can be from 0% Charge capacity run to 100% charge capacity, greatly improve the actual use battery charge capacity of battery pack, improve use Electric equipment uses the time, and the discharge current of each battery can determine that electric property is different according to the battery electrical characteristic Battery core it is mixed can also, save user's economic cost.
The management system control method of the intelligent battery group, wherein the intelligent battery core by identical type list A battery or different types of single battery core connection intelligent battery management power module composition;It is described online in real time by event Barrier intelligent battery core carries out electrically removing mode from intelligent battery group being hot plug mode;Each intelligent battery core connection one A malfunction indicator lamp, indicating to break down when the malfunction indicator lamp connecting with intelligent battery core lights needs repairing, the intelligence It is out of service and notify host computer or host that itself output can be closed after battery perception failure, wait have ready conditions when repairing according to Malfunction indicator lamp carries out hot plug to the intelligent battery core of failure, replaces failure in real time online using the battery of same type Battery or replacement intelligent battery manage power module, and maintenance process does not influence the power supply of entire intelligent battery group.
Single battery core is individually managed by intelligent battery management power module, and any micro- failure of battery has countermeasure, Electric property damage is not will lead to, such as battery is squeezed the unforeseeable property physical damage of collision can allow fail battery at once The operation of core quitting electric, therefore battery service life is high.
As shown in fig. 7, process flow when intelligent battery group emerged in operation intelligent battery core failure, the processing stream Journey is as follows:
Whether S1 manages power module monitoring slave (the intelligent battery core as slave) in normal by intelligent battery Working condition;
S2, when monitor slave do not work perhaps crash when host (or host computer) control intelligent fault battery close It closes itself to export (S5) out of service or compensate intelligent fault battery by intelligent battery management power module and repair Positive (S4);
S3, when monitoring slave and being in normal operating conditions, slave continues to perceive battery failures;
S4 manages power module to intelligent fault battery by intelligent battery when micro- failure occurs in slave perception battery Core compensates and corrects;
S5, when catastrophe failure occurs in slave perception battery, (fault level is highest level, and management system can be preset Fault level) when, it is out of service that host (or host computer) control intelligent fault battery closes itself output.
The working principle of single battery core, intelligence electricity are individually managed to intelligent battery management power module in the present invention below Treatment process when pond group breaks down is illustrated (illustration).
As shown in figure 8, the quantity of the intelligent battery core (quantity in actual use that is 3 in the intelligent battery group of the invention It is not limited, the quantity of intelligent battery core can be increased and decreased according to actual demand), 3 intelligent battery cores are respectively with A, B, C come table Show, the intelligent battery of the present embodiment 3 cores (charge or discharge) constant voltage output AC220 in parallel, naturally it is also possible to export AC110V, AC380V or output DC voltage, the type of single battery core is identical (when all iron lithium phosphate battery cores), but battery holds Amount is different, when the battery capacity that the battery capacity that the battery capacity of A is 10AH, B is 30AH, C is 60AH.
When intelligent battery group work normally when, A output 10% total current, B output 30% total current, C output 60% it is total Electric current, respective single battery core is all connected with an intelligent battery management power module in A, B, C, for individually managing and intelligence The single battery core of battery management power module connection, when there is highest level failure in the B in 3 intelligent battery cores, then The intelligent battery management power module control B of intelligent battery core B externally stops powering, while host or host computer being notified to report B The fault condition of appearance;Following host or PC control intelligent battery group are powered by A and C, the capacity ratio of A and C Relationship is 10:60=1:6, undertakes the 1/7 of the total current 30% of B capacity namely according to the capacity ratio relationship 1:6 of A and C, A 30%*1/7=4.3%, that is to say, that next A exports the total current of 10%+4.3%=14.3%, C undertakes the total current 30% of B capacity 6/7 namely 30%*6/7=25.7%, that is to say, that next C exports the total current of 60%+25.7%=85.7%, reach entire Intelligent battery group still is able to the purpose of continuous electricity operation, allow intelligent battery group can not power off in real time continue to run to load supply Electricity.That is some intelligent battery core has highest level failure in intelligent battery group, does not influence whole group intelligent battery group Power supply, when the fault level of appearance is lower, intelligent battery management power module can be compensated and corrected for corresponding failure, The intelligent battery core that can not be compensated and corrected can also be replaced online in a manner of hot plug simultaneously.
The battery remaining capacity of above-mentioned A, B, C are although inconsistent, but can be according to electricity as defined in host or host computer Stream carries out charge and discharge, when the electricity that the A of A, B, C are stored is minimum, discharges less then can control A, by more than electricity B and C put more Electricity, same charging current can also be set for quick charge by host or host computer according to the difference of remaining capacity, thus Save the charging time.
In addition, the type of the single battery core of A, B, C can also be inconsistent, when wherein there are two types of batteries, such as phosphoric acid Lithium ferroelectricity core and plumbic acid battery core, iron lithium phosphate battery core end voltage is DC3.3V when intelligent battery manages power module control charge and discharge Grade, bus output are AC220V, and plumbic acid battery core end voltage is DC12V grade, and bus output is AC220V;Bus exports electric current It can short time big multiplying power discharging, large current charge according to the characteristic of iron lithium phosphate battery core battery core;Bus exports electric current according to plumbic acid Battery core characteristic can small multiplying power discharging, low current charge.I.e. the present invention can be compatible with variety classes (such as: plumbic acid, ni-mh, lithium are poly- Close object, lithium Fe battery etc.), the batteries of different electric parameters (such as: internal resistance, battery residual capacity etc.), and form intelligent battery Group is powered.
When in intelligent battery group operation use process if when there are various failures due to various reasons in certain batteries, can These fail battery cores are electrically removed in real time from system with online, battery pack can not powered off in real time and continues to transport Row powering load greatly improves battery set charge/discharge reliability of operation, can be greatly reduced battery pack operating maintenance at This, the serious accident having a power failure will not be occurred suddenly by being truly realized when electrical equipment is energized by battery pack, improve electrical equipment Safety in operation, in addition can allow battery pack battery in energy it is available to greatest extent using be charged and discharged, And the consistency for considering the electric properties such as internal resistance and the capacity of monocell core can not had to when power battery pack composition finished product, even The different types of battery of different manufacturers different voltages grade also constitutes qualified battery pack by this method, really realizes electricity Pond set product will not be limited by producer, is not used in mixed way by what the various electric properties of monocell core were limited, and providing height to client can By property electric energy service ability.
Single battery core is individually managed charging by intelligent object, and battery pack charges without traditional specialty charging pile, charging valve Reason mode changes, and when implementation need to only be connected to external ac power source the ac bus of intelligent battery group, saves sea The society of amount lays out pile cost;Each battery charging current and charging voltage can be more according to battery electrical characteristic decision, each batteries The charging time of core can allow charging current to determine by respective, therefore battery pack is filled with same electricity ratio in the past with tradition Charging pile saves the plenty of time with the method that same electric current charges, and improves charge efficiency.
The production of battery production line is screened after producing without size by measure, can be straight by the battery of different capabilities Battery pack is matched in tipping.Electrical equipment no longer needs to install additional the battery management system (BMS) of whole group battery with intelligent battery group when being powered.
Electrical equipment can carry the battery pack operation of corresponding capacity according to demand, and add and subtract (hot plug side at any time on demand Formula), be thus not in carry the heavy weight battery pack of large capacity and make the phenomenon that short time operation uses, greatly improve The service efficiency of battery.In the case where can not also powering off in battery pack real time execution, intelligent battery core is added, it is whole to increase The power supply capacity of group battery pack.
In addition, the present invention to numerous batteries without electric parameter coherence request, such as can have the electricity of 10.2AH capacity Chi Xin and 102AH capacity batteries core shares, or allows 10% battery of battery residual capacity and 100% battery total when charging With, that is to say, that the battery of different capabilities can be used with;Entire battery pack can have iron lithium phosphate battery and lead-acid battery core It shares, that is to say, that variety classes battery can also be used with.
In conclusion the present invention discloses the management system and control method of a kind of intelligent battery group, the management system packet Include: intelligent battery group, the intelligent battery group are composed in parallel by multiple intelligent battery cores, and each intelligent battery core is by an intelligence Energy battery management power module connects composition with single battery core;Multiple respective first output ends of intelligent battery core are connected to one It rises, second output terminal is joined together to form ac bus or DC bus output end, the intelligent battery management power mould Block is for individually managing the single battery core connecting with intelligent battery management power module, and real-time management single battery core occurs Failure, when single battery core break down when, intelligent battery manage power module according to single battery core fault level carry out Respective handling, intelligent battery core when for highest level failure externally stops powering, while notifying host or host computer, entirely The still continuous electricity operation of intelligent battery group.
The present invention is in real time electrically removed fail battery core by online from system, allows battery pack can in real time constantly Electricity continues to run, and greatly improves battery set charge/discharge reliability of operation, reduces battery pack operating maintenance cost, realizes Electrical equipment the accident having a power failure will not occur when being energized by battery pack suddenly, improve the safety in operation of electrical equipment.
Certainly, those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, It is that related hardware (such as processor, controller etc.) can be instructed to complete by computer program, the program can store In a computer-readable storage medium, which may include the process such as above-mentioned each method embodiment when being executed.Its Described in storage medium can be for memory, magnetic disk, CD etc..
It should be understood that the application of the present invention is not limited to the above for those of ordinary skills can With improvement or transformation based on the above description, all these modifications and variations all should belong to the guarantor of appended claims of the present invention Protect range.

Claims (9)

1. a kind of management system of intelligent battery group, which is characterized in that the management system includes:
Intelligent battery group, the intelligent battery group are composed in parallel by multiple intelligent battery cores, and each intelligent battery core is by one Intelligent battery manages power module and connects composition with single battery core;
Multiple respective first output ends of intelligent battery core link together, second output terminal is joined together to form ac bus Perhaps the DC bus output end ac bus or DC bus output end connect power distribution unit;The power distribution unit connects Load is connected to be powered;
The intelligent battery management power module is for individually managing the single battery connecting with intelligent battery management power module Core, and the failure that real-time management single battery core occurs, when single battery core breaks down, intelligent battery manages power module Respective handling is carried out according to single battery core fault level, intelligent battery core when for highest level failure externally stops supplying Electricity, while notifying host or host computer, the entire still continuous electricity operation of intelligent battery group;
The intelligent battery manages power module
For presetting battery electric parameter, judge battery types, electric parameter is compensated and corrected, to acquire failure different Regular data simultaneously marks, and issues the battery intelligent recognition unit that interrupt processing requires;
For monitoring the real-time residual electric energy capacity of connection battery, and in real time, record passes through the real-time voltage of battery, electric current And the cell electrical performance intelligent monitoring unit of temperature;
Set the input and output electric current numerical value of intelligent battery core, Yi Jishi in real time for the type and electric parameter according to battery When respond the battery current of the interrupt processing requirement that the battery intelligent recognition unit issues and distribute control unit in real time;
For being managed according to the type of battery and the specific data of electric parameter to the charge and discharge of battery, and to appearance Failure make in real time protection management action battery operation protection control unit;
The battery intelligent recognition unit, cell electrical performance intelligent monitoring unit, battery current distribute in real time control unit with And battery operation protection control unit forms main control unit;
It is connect with the main control unit, for acquiring the battery data acquisition unit of battery core electric parameter data;
It is connect with the main control unit and battery data acquisition unit, the accessory power supply of accessory power supply is served as obtaining voltage Unit;
It is connect with the Auxiliary Power Units and main control unit, busbar voltage when preventing the cell failure using isolating transformer The power cell being added on battery;
It is connect with the power cell, the EMC protective unit for preventing electrical Interference, adapting to different electromagnetic compatible environments;
It connect with the power cell, is inserted on demand in the heat of wire insertion intelligent battery core when intelligent battery group is run for identification Pull out interface unit;
It is connect with the hot-plug interface unit, main control unit, for receiving host computer or as the intelligent battery core of host Principal and subordinate's CAN bus communication unit of control.
2. the management system of intelligent battery group according to claim 1, which is characterized in that the intelligent battery group output choosing Dress be alternating voltage or chooses to install as DC voltage, the power cell include: for realizing each battery simultaneously on demand singly Only charging/discharging function, the two-way AC/DC power cell for carrying out exchange output or for customizing voltage class, carrying out direct current output Two-way DC/DC power cell;
When the power cell is two-way AC/DC power cell, the intelligent battery group is exported with ac bus;
When the power cell is two-way DC/DC power cell, the intelligent battery group is exported with DC bus.
3. the management system of intelligent battery group according to claim 1, which is characterized in that each in the intelligent battery group A intelligent battery core is communicated by CAN bus mode;All intelligent battery cores are upper for receiving by CAN bus mode Machine or as host intelligent battery core control, the intelligent battery core as host from any one intelligent battery core select Host is set as after selecting, as the intelligent battery core failure for host, the intelligence that management system random selection works normally Battery is as host.
4. the management system of intelligent battery group according to claim 1, which is characterized in that the single battery core and intelligence Battery management power module mounting means is close to installation;The positive and negative anodes of the single battery core are correspondingly connected with intelligent battery pipe On the positive and negative anodes for managing power module input terminal;Intelligent battery core is connected by an intelligent battery management power module and single battery core Connect composition, or by an intelligent battery management power module and multiple battery strings and made of battery core pack connect and form.
5. the management system of intelligent battery group according to claim 4, which is characterized in that each intelligence in the intelligent battery group Energy battery physical connection mode is hot plug mode, in intelligent battery group operation, by the requirement of output power capacity Increase or reduce the quantity of intelligent battery core in wire insertion, when intelligent battery core a certain in intelligent battery group breaks down online It after processing, waits when having ready conditions alternate maintenance, carries out hot plug according still further to intelligent battery core of the malfunction indicator lamp to failure, make Fail battery core is replaced with the battery of same type or replacement intelligent battery manages power module.
6. a kind of management system control method of intelligent battery group characterized by comprising
Step A connects composition intelligent battery core by the way that single battery core is managed power module with intelligent battery, by multiple intelligence Battery composes in parallel the intelligent battery group for exporting direct current or exchange;
Step B, the intelligent battery group connect power distribution unit, the distribution list by ac bus or DC bus output end Member is connected to load and is powered;
Step C, each intelligent battery core in the intelligent battery group are communicated by CAN bus mode, and total by CAN Ray mode is used to receive host computer or the intelligent battery core as host controls;
Step D, when any one intelligent battery core breaks down in intelligent battery group operation use process, online in real time by event Barrier intelligent battery core handled by fault type, by the intelligent battery core of highest level failure in real time from intelligent battery group into Row is electrical to be removed, and the intelligent battery group, which does not power off, continues to run power supply;
The intelligent battery manages power module
For presetting battery electric parameter, judge battery types, electric parameter is compensated and corrected, to acquire failure different Regular data simultaneously marks, and issues the battery intelligent recognition unit that interrupt processing requires;
For monitoring the real-time residual electric energy capacity of connection battery, and in real time, record passes through the real-time voltage of battery, electric current And the cell electrical performance intelligent monitoring unit of temperature;
Set the input and output electric current numerical value of intelligent battery core, Yi Jishi in real time for the type and electric parameter according to battery When respond the battery current of the interrupt processing requirement that the battery intelligent recognition unit issues and distribute control unit in real time;
For being managed according to the type of battery and the specific data of electric parameter to the charge and discharge of battery, and to appearance Failure make in real time protection management action battery operation protection control unit;
The battery intelligent recognition unit, cell electrical performance intelligent monitoring unit, battery current distribute in real time control unit with And battery operation protection control unit forms main control unit;
It is connect with the main control unit, for acquiring the battery data acquisition unit of battery core electric parameter data;
It is connect with the main control unit and battery data acquisition unit, the accessory power supply of accessory power supply is served as obtaining voltage Unit;
It is connect with the Auxiliary Power Units and main control unit, busbar voltage when preventing the cell failure using isolating transformer The power cell being added on battery;
It is connect with the power cell, the EMC protective unit for preventing electrical Interference, adapting to different electromagnetic compatible environments;
It connect with the power cell, is inserted on demand in the heat of wire insertion intelligent battery core when intelligent battery group is run for identification Pull out interface unit;
It is connect with the hot-plug interface unit, main control unit, for receiving host computer or as the intelligent battery core of host Principal and subordinate's CAN bus communication unit of control.
7. the management system control method of intelligent battery group according to claim 6, which is characterized in that the single battery Core type includes iron lithium phosphate battery core, lithium phosphate manganese battery core, lighium polymer battery core, metatitanic acid lithium cell, plumbic acid battery core, metal fuel Battery core, ni-mh battery core, colloid battery core;The type of single battery core is from the single battery core type in the intelligent battery group Any selection, the intelligent battery core connect intelligence by the single battery core of identical type or different types of single battery core Battery management power module composition.
8. the management system control method of intelligent battery group according to claim 6, which is characterized in that described online real-time The intelligent battery core of highest level failure is electrically removed from intelligent battery group, the intelligent fault battery stops work Make;
Maintenance mode when intelligent battery group is run is hot plug mode.
9. the management system control method of intelligent battery group according to claim 8, which is characterized in that each intelligence electricity One malfunction indicator lamp of Chi Xin connection, indicating to break down when the malfunction indicator lamp connecting with intelligent battery core lights needs to tie up It repairs, is closed after the intelligent battery core perception failure and itself export out of service and notify host computer or host, waited and have ready conditions Hot plug physical removal is carried out according to intelligent battery core of the malfunction indicator lamp to failure when maintenance, then using same type Battery replaces fail battery core or replacement intelligent battery manages power module, and the intelligent battery core repaired turns back to intelligent electricity Pond group, entire maintenance process do not stop the power supply of entire intelligent battery group.
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