CN105098910A - Intelligent lithium battery and distributed management system thereof - Google Patents

Intelligent lithium battery and distributed management system thereof Download PDF

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CN105098910A
CN105098910A CN201510488424.1A CN201510488424A CN105098910A CN 105098910 A CN105098910 A CN 105098910A CN 201510488424 A CN201510488424 A CN 201510488424A CN 105098910 A CN105098910 A CN 105098910A
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lithium battery
battery
module
intelligent
original
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郑永春
周飞标
胡林
张祝军
孙莉
王燕
陈建苗
章立杨
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Abstract

The invention discloses an intelligent lithium battery and a distributed management system thereof, and belongs to a type of lithium batteries. The intelligent lithium battery comprises an original lithium battery and is characterized in that the original lithium battery is connected to a lithium battery unit manager, the lithium battery unit manager comprises a performance optimization module, and the performance optimization module is connected to a charging management module, a discharging management module and a voltage management module. According to the invention, a lithium battery unit in a battery pack is additionally provided with the battery unit manager, charging and discharging management is carried out according to characteristics of each battery, thereby enabling the performance of each battery to keep the optimal state, and thus being capable of connecting a plurality of lithium battery units in parallel according to capacity requirements. In addition, the lithium battery unit is removed from the battery pack because of production defect damages or service life termination and does not affect normal use of other lithium battery units in the battery pack, thereby effectively prolonging the service life of the battery pack. Furthermore, various types of monitoring carried out by a battery pack management module and the lithium battery unit manager in each lithium battery unit further improve the safety of the lithium battery pack in use.

Description

Intelligent lithium battery and distributed management system thereof
Technical field
The present invention relates to a kind of lithium battery, in particular, the present invention relates generally to a kind of Intelligent lithium battery and distributed management system thereof.
Background technology
There is two problems in existing lithium battery: use safety and long term life.Lithium battery has the very high advantage of electrical energy storage density, but also has blast and the safety issue such as on fire.In the past few years, once there is repeatedly the explosive incident on fire that lithium battery causes, caused huge economy and human loss.Cell production companies is often because indivedual defectiveness battery unit causes the accident and recalls millions of batteries.These safety issues are primarily of overcharge, and discharging current is too large, especially short circuit, and temperature is too high, or caused by production defect.Be added with the protector of machinery and electronics mixing in the high-end lithium battery of current part, but these protectors are too simple, usually can only play very limited protective effect.Because the voltage compare of lithium cells is low, usually only have about 3.6V, all need multiple battery unit to be connected in series in many applications, form battery pack, provide required voltage, specifically as shown in Figure 1.These battery units be cascaded have identical electric current to pass through when charging and discharging.But because each battery unit has different characteristics, under identical charging current, the charging interval of battery unit is completely different.Some battery units are full of, voltage rise, but some battery units also do not have, and this overcharges with regard to the battery unit caused, and some battery units can not be full of.When discharging, the identical current discharge of each battery unit, those battery units that can not be full of electricity are discharged very soon, cause battery voltage to decline, and internal resistance increases, thus stop other to be full of the battery discharge of electricity.When charging next time, those last time are full of electricity and do not have complete exhausted cell unit to be earlier full of electricity, and are not full of completely exhausted cell unit those last time and more can not be full of, and cause vicious circle.Especially, in Long-Time Service, the inconsistency of battery unit can be increasing, and cause battery performance sharply to decline, the life-span greatly shortens.Under many circumstances, the battery pack that the battery unit of 1 life termination can cause 15 to be connected in series lost efficacy, thus loss 14 also can continue the battery unit of use.The battery unit of those long-term overcharges is easy to thermal run away and causes explosion accident on fire, and the battery unit life-span of those long-term charge less electricity and deep discharge can shorten greatly, even causing internal short-circuit and reducing battery voltage makes charging current increase severely, cause whole battery pack premature deterioration, even burn.
Therefore these problems limit the range of application of lithium battery, and especially having highly reliable, the application scenario of long life requirement, as electric motor car and aircraft battery, the stand-by power supply etc. of data center and control centre, the application of lithium battery is very limited.Address these problems the range of application to expanding lithium battery, the market development of propulsion power lithium battery is significant.A lot of research institution is all from each angle, and as material, structure, technique, operation principle and electronic technology, solve these problems, but be not also obviously in progress.As existing lithium battery manager, the balanced to a certain extent charge-discharge performance of lithium cells, but such management carries out from the angle of battery pack, the battery unit of each lithium cells or original 3.6V, need, by 15 even more serial battery composition battery pack, fundamentally to solve the problem that this series system brings.Especially due to the inconsistency in production process, or the quality problems of product, the defect of single battery unit will cause multiple battery to be scrapped.
Summary of the invention
An object of the present invention is, for above-mentioned deficiency, to provide a kind of Intelligent lithium battery and distributed management system thereof, low with the useful life that the lithium battery group expecting to solve inherent structure in prior art exists, and there is the technical problems such as potential safety hazard.
For solving above-mentioned technical problem, the present invention by the following technical solutions:
One aspect of the present invention provides a kind of Intelligent lithium battery, comprise original lithium battery, described original lithium battery access lithium cells manager, described lithium cells manager access electrode, described lithium cells manager comprises performance optimization module, described performance optimization module accesses charge management module respectively, electric discharge administration module and voltage management module, wherein: described performance optimization module is used for adding up the properties that original lithium battery uses, and the parameters historical data of statistics is stored, control command is exported to charge management module and electric discharge administration module according to described parameters historical data, described charge management module for gathering the parameters of original lithium cell charging and transferring to performance optimization module, and controls the break-make of Intelligent lithium battery charge circuit, described electric discharge administration module for gathering the parameters of original lithium battery electric discharge and transferring to performance optimization module, and controls the break-make of Intelligent lithium battery discharge loop, DC/DC converter is provided with in described voltage management module, between the electrode that described DC/DC converter accesses original lithium battery and the electrode of Intelligent lithium battery, for the output voltage of Intelligent lithium battery is converted to setting voltage, the input voltage of Intelligent lithium battery is converted to the voltage matched with original lithium battery.
As preferably, further technical scheme is: charge management module and voltage management module also access super capacitor, for voltage management module, charging voltage is converted to the voltage matched with super capacitor, prestoring a part of electric energy by super capacitor when charging, after charge power supply disconnects, pouring original lithium battery again.
Further technical scheme is: described performance optimization module also access communications module, described communication module for receiving the control command of tension management module and being forwarded to performance optimization module, and by performance optimization module to add up and the original lithium battery parameters historical data stored is sent to tension management module.
Further technical scheme is: described performance optimization module also accesses short circuit and reverse connecting protection module and overheat protector module, described short circuit and reverse connecting protection module are used for the discharge loop disconnecting Intelligent lithium battery when Intelligent lithium battery output short-circuit, when the electrode of charge power supply connects the anti-charge circuit disconnecting Intelligent lithium battery; Described overheat protector module, for detecting the temperature of original lithium battery, disconnects charge circuit and the discharge loop of Intelligent lithium battery when temperature exceedes threshold range.
The present invention provides a kind of Intelligent lithium battery distributed management system on the other hand, and described system comprises intelligent battery fabric anomaly unit and at least two Intelligent lithium battery unit, the Intelligent lithium battery that described Intelligent lithium battery unit is above-mentioned, described at least two Intelligent lithium battery unit composition battery pack parallel with one another, and access intelligent battery fabric anomaly unit, battery pack communication module and battery set management module is provided with in described intelligent battery fabric anomaly unit, described battery set management module access battery pack communication module, wherein: described battery pack communication module is used for communicating with the communication module in each Intelligent lithium battery unit, receive the original lithium battery parameters historical data in each lithium cells, and transfer to battery set management module, and the control command of battery set management module is transferred to the communication module in Intelligent lithium battery unit, described battery set management module is used for according to the original lithium battery parameters historical data in external control instruction or each Intelligent lithium battery unit described, controls separately the running status in each Intelligent lithium battery unit and the charging and discharging state in battery pack.
As preferably; further technical scheme is: described battery pack communication module also accesses battery pack protection module, and described battery pack protection module is used for the break-make controlling batteries charging loop and discharge loop according to the original lithium battery parameters historical data in each lithium cells described.
Further technical scheme is: described battery pack communication module and the communication module in each Intelligent lithium battery unit are communicated with any one in the middle of Zigbee by CAN, SMBus bus.
Further technical scheme is: described battery pack communication module is also by data acquisition unit accessing Internet, for making battery pack communication module by being placed in same Internet of Things with applications equipment, the every control command in being networked by battery pack communication module receiver also transfers to battery set management module.
Compared with prior art, one of beneficial effect of the present invention is: set up battery cell management device in each lithium cells in battery pack, feature according to each lithium cells carries out personalized management of charging and discharging, make its property retention optimum state, and the voltage of its output voltage and final battery pack is matched, thus directly multiple lithium cells can be together in parallel according to capacity requirement, and do not affect the normal use of other lithium cells in battery pack in lithium cells because it being exited from battery pack when the damage of production defect or end-of-life, the useful life of effective prolongation battery pack, and by all kinds of monitorings that the using state parameter of the lithium cells manager in battery set management module and lithium cells to original lithium battery is carried out, improve the fail safe in use of lithium battery group further, avoid the security incident that the situations such as the too high and short circuit of Yin Wendu cause, simply, can directly utilize existing 3.6V lithium battery to reequip, be suitable for suitability for industrialized production, also can install and use in various kinds of equipment, range of application is wide for a kind of Intelligent lithium battery provided by the present invention and distributed management system structure thereof simultaneously.
Accompanying drawing explanation
Fig. 1 is the syndeton block diagram of lithium battery group in prior art;
Fig. 2 is the Intelligent lithium battery structured flowchart for illustration of one embodiment of the invention;
Fig. 3 is the structured flowchart for illustration of lithium cells manager in one embodiment of the invention;
Fig. 4 is the distributed management system structured flowchart for illustration of another embodiment of the present invention;
Fig. 5 is the structured flowchart for illustration of intelligent battery fabric anomaly unit in another embodiment of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention is further elaborated.
With reference to figure 2 with shown in Fig. 3; one embodiment of the present of invention are a kind of Intelligent lithium batteries; comprising original lithium battery; this original lithium battery can adopt the lithium battery of the 3.6V of prior art Plays; lithium battery can have different capacity; and so original lithium battery has had basic excess temperature, overcurrent protection function.By original lithium battery access lithium cells manager, again by lithium cells manager access electrode, namely between the lithium cells manager electrode that is placed in original lithium battery and the electrode of Intelligent lithium battery, performance optimization module is provided with in this lithium cells manager, performance optimization module is accessed respectively charge management module, electric discharge administration module and voltage management module, the concrete function of aforementioned modules in lithium cells manager is as follows:
Above-mentioned performance optimization module is used for adding up the various performance parameters that original lithium battery uses, and the parameters historical data of statistics stored, and export control command according to described parameters historical data to charge management module and electric discharge administration module; The original lithium battery of performance optimization module statistics uses various performance parameters to comprise storage, release, electric leakage, inside battery discharge and recharge loss, charge efficiency, the historical datas such as discharging efficiency and discharge and recharge temperature, according to the character control charge management module of this original lithium battery and electric discharge administration module, are optimized the performance of original lithium battery and life-span.Wherein main statistic algorithm comprises:
Energy storage: the charging current of original lithium battery deducts the integration in the loss of battery charge internal and charging interval.
Release: the discharging current of original lithium battery adds the discharge loss of inside battery and the integration of discharge time.
Electric leakage: the self discharge of original lithium battery interior adds the standby current of intelligent battery Single Component Management module and the integration of stand-by time.
Inside battery discharge and recharge loss: the physics of original lithium battery interior in charge and discharge process and chemical wear, as heating etc.
Charge efficiency: the charging current of original lithium battery and the product of original lithium battery voltage, divided by the product of the charging current of intelligent battery and the charging voltage of intelligent battery.
Discharging efficiency: the product of original lithium battery discharging current and intelligent battery cell voltage, divided by the product of the discharging current of original lithium battery and the voltage of original lithium battery.
In the Intelligent lithium battery battery pack of being furnished with original lithium battery for subsequent use, performance optimization module in lithium cells manager also can coordinate these original lithium batteries for subsequent use of intelligent battery fabric anomaly Single Component Management, determine which original lithium battery enters and exits use, to the performance of multiple original battery unit through row complex optimum, and the original lithium battery of defectiveness or end-of-life is isolated from battery pack, extend the useful life of Intelligent lithium battery unit.This module accepts tension management module simultaneously, as the instruction of battery set management unit, determines the charging current of this battery unit, discharging current, and charging/discharging function etc., fill/can fill as prohibited, firework control/can put and dormancy, or exit service.
Above-mentioned charge management module for gathering the parameters of original lithium cell charging and transferring to performance optimization module, and controls the break-make of Intelligent lithium battery charge circuit;
Above-mentioned electric discharge administration module for gathering the parameters of original lithium battery electric discharge and transferring to performance optimization module, and controls the break-make of Intelligent lithium battery discharge loop;
DC/DC converter is provided with in above-mentioned voltage management module, between the electrode that described DC/DC converter accesses original lithium battery and the electrode of Intelligent lithium battery, for the output voltage of Intelligent lithium battery is converted to setting voltage, the input voltage of Intelligent lithium battery is converted to the voltage matched with original lithium battery.
During charging, voltage management module is according to the requirement of original lithium cell charging feature, and useful life and accumulate state at that time, according to the algorithm preset, regulate charging current and voltage, realize the optimal charge effect of original lithium battery.During electric discharge, this module receives the instruction of upper strata battery set management module, regulates the output voltage of Intelligent lithium battery.When multiple Intelligent lithium battery and when being unified into battery pack, the minute differences due to voltage can cause the very big change of output current, even from other battery unit Absorption Current, reduce the power supply capacity of battery.This module in charge follows the tracks of the change in voltage situation of electrical network in parallel, real-time regulation output voltage, and according to the accumulate situation of original lithium battery, in certain output voltage range, the power output of Intelligent lithium battery unit in regulating cell group.Accept the scheduling of intelligent battery fabric anomaly unit, as requested regulation output voltage simultaneously, reach predetermined power output.
In the present embodiment, 36V, 48V is promoted to by the output voltage of independent original lithium battery even higher by above-mentioned DC/DC converter, without the need to using series connection to increase alive mode in battery pack uses, make the structure of each Intelligent lithium battery in battery pack composition all relatively independent, not by the impact of other lithium cells in battery pack.
Still with reference to shown in figure 3, in another embodiment of the invention, also above-mentioned charge management module and voltage management module also can be accessed super capacitor, for voltage management module, charging voltage is converted to the voltage matched with super capacitor, prestoring a part of electric energy by super capacitor when charging, after charge power supply disconnects, pouring original lithium battery again.The main purpose of setting up super capacitor in the present embodiment is the discharge capability improving charge efficiency and strengthen lithium battery.Because capacitor charging process is a physical process, its charging rate quickly, only by the restriction of charge power supply, thus can absorb electric energy very soon.And battery charging is a chemical process, need the time, energy can not be absorbed from power supply very soon.During electric discharge too, electric capacity can in the short time for load provides a large amount of electric energy, and battery then needs the time.Thus adding of super capacitor can the shortcoming of balancing battery, makes the battery pack be made up of Intelligent lithium battery unit can with higher speed discharge and recharge.This is even more important in power battery of electric vehicle.When braking, generator produces a large amount of electric energy, if battery can not absorb fast, unnecessary electric energy will be wasted, but also causes a large amount of heating, needs powerful cooling system.Upon start up, need a large amount of electric energy, and battery can not meet its requirement.These all greatly affect electric vehicle performance.Along with the development of super capacitor technology, capacitance energy storage density can improve constantly, and adding super capacitor in above-mentioned Intelligent lithium battery will greatly improve the performance of battery, shortens the charging interval.
Further, to go out as shown in Figure 3 and above-mentioned mentioned, data communication is carried out for ease of Intelligent lithium battery and tension management module, also can by above-mentioned performance optimization module access communications module again, described communication module for receiving the control command of tension management module and being forwarded to performance optimization module, and by performance optimization module to add up and the original lithium battery parameters historical data stored is sent to tension management module.
Still with reference to shown in figure 3, in the embodiment that the present invention is more preferably for technical solution problem, for reducing the risk existing for lithium battery use further, also by the access short circuit of above-mentioned performance optimization module and reverse connecting protection module and overheat protector module, described short circuit and reverse connecting protection module are used for the discharge loop disconnecting Intelligent lithium battery when Intelligent lithium battery output short-circuit, when the electrode of charge power supply connects the anti-charge circuit disconnecting Intelligent lithium battery; Described overheat protector module, for detecting the temperature of original lithium battery, disconnects charge circuit and the discharge loop of Intelligent lithium battery when temperature exceedes threshold range.
Once there is electric discharge pond short circuit phenomenon, short circuit and reverse connecting protection module cut off discharge loop immediately, forbid that Intelligent lithium battery is to load discharge, until load disconnects from battery, or recover electric discharge by upper strata battery set management unit controls.The electrode of charge power supply connects instead when charging, and short circuit and reverse connecting protection module will disconnect charge circuit, forbids charging, until charge power supply disconnects from battery.Short circuit and reverse connecting protection module also accept the control of upper strata battery set management unit simultaneously, realize taboo and fill, firework control, standby and sleep block.Under taboo fills state, even if battery two ends access charged electrical power supply, original lithium battery also can not be charged.Under firework control state, this Intelligent lithium battery unit is no longer to load discharge.In the standby state, Intelligent lithium battery maintains full state all the time, and not to load discharge, but this Intelligent lithium battery unit can be dropped into discharge condition by upper strata battery set management unit at any time, meets the power supply needs of load.As mentioned here above, in the dormant state, Intelligent lithium battery maintains the electricity of optimum life span, as stock, for standby battery unit.Upper strata battery set management unit in such battery pack can according to the performance of multiple Intelligent lithium battery unit, a part of battery unit is replaced in turn in stand-by state, especially those defectiveness, hydraulic performance decline is Intelligent lithium battery unit faster, its useful life can be extended, meanwhile, also can when dispatching from the factory with arranging several Intelligent lithium battery unit for subsequent use in battery pack, like this in long-time running, greatly can extend the service time of whole battery pack.
This Intelligent lithium battery can excise by overheat protector module in abnormal cases from battery pack, and protection Intelligent lithium battery, also prevents the generation of fire and explosion accident.To charge normal and electric discharge can cause the temperature of original lithium battery to raise within the specific limits, but due to the damage in the production defect of original lithium battery or use procedure, temperature during discharge and recharge, can be caused sharply to raise.Also or due to the fault of charge management module or voltage management module, cause original over-charge of lithium battery electricity, can temperature anomaly be caused.When these situations occur, this overheat protector module cuts off the charging and discharging circuit of original lithium battery, makes Intelligent lithium battery unit be in isolation in battery pack, does not charge and also do not discharge.Overheat protector module also transfers to performance optimization module using the variations in temperature of original lithium battery as parameters history statistics simultaneously, as the data basis of predicting useful life and the performance change of original lithium battery.
With reference to figure 4 with shown in Fig. 5, another kind of embodiment of the present invention is a kind of Intelligent lithium battery distributed management system, this system comprises intelligent battery fabric anomaly unit and at least two Intelligent lithium battery unit, and namely Intelligent lithium battery unit is the Intelligent lithium battery in above-described embodiment; By battery pack above-mentioned mentioned at least two Intelligent lithium battery unit compositions parallel with one another, and access intelligent battery fabric anomaly unit; Because Intelligent lithium battery unit is parallel with one another, therefore can according to the requirement of capacity in battery pack, the Intelligent lithium battery unit of access any amount in parallel, each Intelligent lithium battery unit parallel connection accesses the electrode of battery pack afterwards, and battery pack carries out discharge and recharge by electrode; Battery pack communication module and battery set management module is provided with, described battery set management module access battery pack communication module in aforementioned intelligent battery set management unit, wherein:
Above-mentioned battery pack communication module is used for communicating with the communication module in each Intelligent lithium battery unit, receive the original lithium battery parameters historical data in each lithium cells, and transfer to battery set management module, and the control command of battery set management module is transferred to the communication module in Intelligent lithium battery unit;
Above-mentioned battery set management module is used for according to the original lithium battery parameters historical data in external control instruction or each Intelligent lithium battery unit described, controls separately the running status in each Intelligent lithium battery unit and the charging and discharging state in battery pack.
On the other hand; for promoting the fail safe that battery pack uses further; on the basis of above-mentioned distributed management system; also the battery pack communication module in battery set management module can be accessed battery pack protection module again, described battery pack protection module is used for the break-make controlling batteries charging loop and discharge loop according to the original lithium battery parameters historical data in each lithium cells described.
Further, for ease of the standardized production of battery pack, above-mentioned battery pack communication module is communicated with any one the international wired communications standards in the middle of Zigbee or wireless communication standard by CAN, SMBus bus with the communication module in each Intelligent lithium battery unit.
On the basis of the above, distributed management system also can by means of technology of Internet of things, applications equipment is facilitated directly to control battery pack and Intelligent lithium battery unit, be specially above-mentioned battery pack communication module by data acquisition unit accessing Internet, for making battery pack communication module by being placed in same Internet of Things with applications equipment, the every control command in being networked by battery pack communication module receiver also transfers to battery set management module.
In addition, the present invention also has following features, the means with modern electronic technology that inventor proposes for use safety and this two problems of long term life, each original lithium battery is become can independently use, voltage is adjustable, directly can expand jumbo intelligent battery unit with multiple same Intelligent lithium battery unit parallel connection.Core of the present invention is each original lithium battery intelligent, and by the mode of DC/DC conversion, the voltage of original lithium battery is brought up to voltage needed for usual battery pack, as 12V, 48V etc. from about 3.6V.The lithium cells manager of the with good grounds original lithium battery unique characteristics design of each intelligent battery unit, makes each battery unit be in optimized running status.When there is outside or inside short circuit; protective circuit in lithium cells manager can according to settings such as the threshold values supporting with original lithium battery; make original lithium battery can from circuit group safety isolation; it is made to be in the safe condition not charging and also do not discharge; until the state of these short circuits changes; battery is in the loading range of safe-discharge, then under the control of intelligent battery fabric anomaly unit, is come into operation by battery unit in an orderly manner.When temperature exceedes the threshold value of setting; original lithium battery is isolated by the protective circuit in lithium cells manager from battery pack; then by intelligent battery fabric anomaly unit according to the energy storage state of original battery unit, the operational factor historical record of battery pack and battery unit determines whether this battery unit can come into operation safely.If parameters history record declaration temperature is too high is because this original lithium battery causes, so this original lithium battery will be regarded as defectiveness unit and isolate from battery pack, no longer come into operation the Intelligent lithium battery unit avoiding this battery unit to affect other, cause unsafe condition, or shorten the useful life of battery pack entirety.If the overheat protector crossing this battery unit is due to external factors; as ambient temperature is excessively high; so when temperature is reduced to after in safe range, this battery will be in can running status, but whether accept charging or externally electric discharge will be determined by intelligent battery fabric anomaly unit comprehensive.
And battery unit no longer needs series connection, only needs according to the requirement of battery capacity multiple intelligent lithium unit also together.The charging current of each like this battery lithium unit and discharging current are completely independent, no longer interact, carry out charging and discharging separately according to the characteristic of self.The battery unit being full of electricity stops charging, and the unit of underfill continues charging.During electric discharge, each doing his best, and battery unit capacious will be the larger electric current of load contribution, and the electric current that the little battery unit contribution of capacity is less, make discharge time balanced, the performance of whole like this battery pack is in the best.If some battery units degradation in Long-Time Service, or can not storage power be continued due to production defect, this battery unit, by automatically isolating from battery pack, becomes inertia unit, do not affect the voltage of whole battery pack, just the electricity of whole battery pack stores and slightly declines.For the battery pack of high performance and long service life, the standby battery unit of some can be set when dispatching from the factory.These battery units keep fully charged state at ordinary times, or participate in the charge/discharge cycles of battery pack, but are in shallow discharge state, thus keep the life-span longer than other battery unit.When there being the battery unit of end-of-life to exit service, such standby battery unit exits by replacing from the service of battery unit, keeps the performance of battery pack not reduce, thus greatly extends the life-span of battery pack.The voltage of these intelligent battery unit can set on request simultaneously, and like this, the voltage of battery pack can be arranged according to application requirement, thus can avoid the DC/DC conversion cost in application system and energy loss.If system input voltage is 36V, user directly can be set to 36V the output voltage of battery, and does not need the lithium battery buying 48V, the transducer of bamboo product 48V to 36V.Battery producer can produce unified intelligent battery group in enormous quantities, thus reduces costs.
Than that described above, also it should be noted that spoken of in this manual " embodiment ", " another embodiment ", " embodiment " etc., refer to the specific features, structure or the feature that describe in conjunction with this embodiment and be included at least one embodiment of the application's generality description.Multiple place occurs that statement of the same race is not necessarily refer to same embodiment in the description.Furthermore, when describing specific features, structure or a feature in conjunction with any embodiment, what advocate is also fall within the scope of the invention to realize this feature, structure or feature in conjunction with other embodiments.
Although with reference to multiple explanatory embodiment of the present invention, invention has been described here, but, should be appreciated that, those skilled in the art can design a lot of other amendment and execution mode, these amendments and execution mode will drop within spirit disclosed in the present application and spirit.More particularly, in the scope of, accompanying drawing open in the application and claim, multiple modification and improvement can be carried out to the building block of subject combination layout and/or layout.Except the modification of carrying out building block and/or layout is with except improvement, to those skilled in the art, other purposes also will be obvious.

Claims (8)

1. an Intelligent lithium battery, comprise original lithium battery, it is characterized in that: described original lithium battery access lithium cells manager, described lithium cells manager access electrode, described lithium cells manager comprises performance optimization module, described performance optimization module accesses charge management module, electric discharge administration module and voltage management module respectively, wherein:
Described performance optimization module is used for adding up the properties that original lithium battery uses, and the parameters historical data of statistics is stored, and exports control command according to described parameters historical data to charge management module and electric discharge administration module;
Described charge management module for gathering the parameters of original lithium cell charging and transferring to performance optimization module, and controls the break-make of Intelligent lithium battery charge circuit;
Described electric discharge administration module for gathering the parameters of original lithium battery electric discharge and transferring to performance optimization module, and controls the break-make of Intelligent lithium battery discharge loop;
DC/DC converter is provided with in described voltage management module, between the electrode that described DC/DC converter accesses original lithium battery and the electrode of Intelligent lithium battery, for the output voltage of Intelligent lithium battery is converted to setting voltage, the input voltage of Intelligent lithium battery is converted to the voltage matched with original lithium battery.
2. Intelligent lithium battery according to claim 1, it is characterized in that: described charge management module and voltage management module also access super capacitor, for voltage management module, charging voltage is converted to the voltage matched with super capacitor, prestoring a part of electric energy by super capacitor when charging, after charge power supply disconnects, pouring original lithium battery again.
3. Intelligent lithium battery according to claim 1 and 2, it is characterized in that: described performance optimization module also access communications module, described communication module for receiving the control command of tension management module and being forwarded to performance optimization module, and by performance optimization module to add up and the original lithium battery parameters historical data stored is sent to tension management module.
4. Intelligent lithium battery according to claim 3, it is characterized in that: described performance optimization module also accesses short circuit and reverse connecting protection module and overheat protector module, described short circuit and reverse connecting protection module are used for the discharge loop disconnecting Intelligent lithium battery when Intelligent lithium battery output short-circuit, when the electrode of charge power supply connects the anti-charge circuit disconnecting Intelligent lithium battery; Described overheat protector module, for detecting the temperature of original lithium battery, disconnects charge circuit and the discharge loop of Intelligent lithium battery when temperature exceedes threshold range.
5. an Intelligent lithium battery distributed management system, it is characterized in that: described system comprises intelligent battery fabric anomaly unit and at least two Intelligent lithium battery unit, and described Intelligent lithium battery unit is the Intelligent lithium battery described in Claims 1-4 any one; Described at least two Intelligent lithium battery unit composition battery pack parallel with one another, and access intelligent battery fabric anomaly unit, battery pack communication module and battery set management module is provided with, described battery set management module access battery pack communication module in described intelligent battery fabric anomaly unit, wherein:
Described battery pack communication module is used for communicating with the communication module in each Intelligent lithium battery unit, receive the original lithium battery parameters historical data in each lithium cells, and transfer to battery set management module, and the control command of battery set management module is transferred to the communication module in Intelligent lithium battery unit;
Described battery set management module is used for according to the original lithium battery parameters historical data in external control instruction or each Intelligent lithium battery unit described, controls separately the running status in each Intelligent lithium battery unit and the charging and discharging state in battery pack.
6. Intelligent lithium battery according to claim 5 and distributed management system thereof; it is characterized in that: described battery pack communication module also accesses battery pack protection module, described battery pack protection module is used for the break-make controlling batteries charging loop and discharge loop according to the original lithium battery parameters historical data in each lithium cells described.
7. the Intelligent lithium battery according to claim 5 or 6 and distributed management system thereof, is characterized in that: described battery pack communication module and the communication module in each Intelligent lithium battery unit are communicated with any one in the middle of Zigbee by CAN, SMBus bus.
8. Intelligent lithium battery according to claim 7 and distributed management system thereof, it is characterized in that: described battery pack communication module is also by data acquisition unit accessing Internet, for making battery pack communication module by being placed in same Internet of Things with applications equipment, the every control command in being networked by battery pack communication module receiver also transfers to battery set management module.
CN201510488424.1A 2015-08-11 2015-08-11 Intelligent lithium battery and distributed management system thereof Pending CN105098910A (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
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