CN103863129B - A kind of reminding method of charging electric vehicle and system - Google Patents
A kind of reminding method of charging electric vehicle and system Download PDFInfo
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- CN103863129B CN103863129B CN201210537770.0A CN201210537770A CN103863129B CN 103863129 B CN103863129 B CN 103863129B CN 201210537770 A CN201210537770 A CN 201210537770A CN 103863129 B CN103863129 B CN 103863129B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The present invention proposes a kind of reminding method of charging electric vehicle, comprises the following steps: after charging plug inserts electric automobile, battery management system BMS activates the instrument module in electric automobile, and instrument module starts; And BMS points out user by instrument module according to the charged state of electric automobile. The reminding method of the charging electric vehicle of the embodiment of the present invention can make driver can be directly perceived in the time of electric automobile stopping for charging the charged state of electrolytic cell, and in the time there is charge fault, can remind in time driver, and then avoid not finding in time the loss causing, the security that has improved stopping for charging because of charge fault driver. The invention allows for a kind of prompt system of charging electric vehicle.
Description
Technical field
The present invention relates to electric vehicle engineering field, particularly a kind of prompting side of charging electric vehicleThe prompt system of method and a kind of charging electric vehicle.
Background technology
Along with new-energy automobile technology is growing, the recoverable amount of electric automobile on market is more and more,But due to the maturity problem of the shortage of the infrastructure such as charging station, charging pile and charging technique, at presentElectric automobile major part on sale is the automobile of non-plug-in hybrid, or the operation of a certain regionPublic good vehicle.
At present, existing electric automobile is in the time of charging, and driver need leave crew module, and operation chargingMachine charges, and due to the limitation of battery technology, often the charging interval long, driver withoutMethod is paid close attention to charge condition for a long time.
Therefore, the shortcoming that prior art exists is, electric automobile is in when charging, and driver need to leaveCrew module, and cannot judge charged state intuitively, can not intuitively understand battery SOC(StateOfCharge, state-of-charge). In addition, in the time there is charge fault, can not carry in time,Awake driver, thus may occur not find in time because of charge fault driver the loss causing.
Summary of the invention
The present invention is intended to one of solve the problems of the technologies described above at least to a certain extent.
For this reason, first object of the present invention is to propose a kind of reminding method of charging electric vehicle,The method can relatively get information about driver in the time that parking of automobile charges in instrument demonstration informationThe charged state of battery and the situation of fault message, the security that has improved stopping for charging.
Second object of the present invention is to propose a kind of prompt system of charging electric vehicle.
For achieving the above object, a kind of charging electric vehicle that the embodiment of first aspect present invention proposesReminding method, comprise the following steps:
After charging plug inserts described electric automobile, battery management system BMS activates described electronicInstrument module in automobile, and described instrument module starts; And
Described BMS enters user by described instrument module according to the charged state of described electric automobileRow prompting.
According to the reminding method of the charging electric vehicle of the embodiment of the present invention, electric automobile is at stopping for chargingTime driver can be directly perceived the state-of-charge SOC of electrolytic cell, and occurring when charge fault, energyEnough prompting drivers in time, thus the loss causing because of charge fault avoided, and having improved stops fillsThe security of electricity. In addition, this reminding method is simple and reliable.
In one embodiment of the invention, after described instrument module starts, described electronic vapourThe reminding method of car charging also comprises: judge whether described electric automobile is closed; If judgementBe closed, enter first mode, among described first mode, if described BMS self-inspection is illogicalCross, when charger fault or battery failures, described BMS by described instrument module to described userPoint out; And if judgement be not closed, enter the second pattern, described the second pattern itIn, if when described charger fault or battery failures, described BMS by described instrument module to instituteStating user points out.
Further, in one embodiment of the invention, in described first mode, to describedAfter user points out, the reminding method of described charging electric vehicle also comprises: predetermined in processAfter time, described BMS turn-offs high tension loop, controls electricity under described electric automobile. Of the present inventionIn an embodiment, the reminding method of described charging electric vehicle also comprises: if described BMS sentencesDisconnected charging is normal, and described BMS lights charging indicator light by described instrument module.
In one embodiment of the invention, when transferring to from closing at electric automobile described in charging processWhen startup, the interlocking of charging.
Thus, in the time that electric automobile in charging process transfers startup to from cutting out, entire car controller VMSCharging connection status detected, now, can not send anodal relay adhesive instruction, will chargeInterlocking, thereby the security that has improved electric automobile stopping for charging.
In one embodiment of the invention, described BMS is by CAN bus and described instrument moduleIntercommunication mutually.
For achieving the above object, a kind of charging electric vehicle that a second aspect of the present invention embodiment proposesPrompt system, comprise instrument module and battery management module, wherein, described battery management module withDescribed instrument module is connected, and described battery management module is for detecting that charging plug inserts described electricityWhen electrical automobile, generate detection signal, and activate described instrument module, described instrument according to described detection signalTable module starts, and described battery management module is passed through institute according to the charged state of described electric automobileStating instrument module points out user.
According to the prompt system of the electric automobile of the embodiment of the present invention, in the mistake of charging batteries of electric automobileCheng Zhong, battery management module activates the instrument module in electric automobile, and the startup of instrument module, andShow by instrument module according to charging electric vehicle state, and in the time that charging is abnormal, pass throughReport to the police and remind in time driver. Thus, by the change to control strategy and a small amount of low voltage wiring harness moreChange, make driver observe more intuitively charged state on meter information shows, comprise charging eventAlarm condition when barrier, thus avoid because charge fault driver does not find the loss causing in time,Improved the security of stopping for charging, changed cost low simultaneously, reliability is high.
In one embodiment of the invention, judge described electricity at the entire car controller of described electric automobileAfter electrical automobile is closed, described electric automobile enters first mode, when described battery management module self-inspectionDuring not by, charger fault or battery failures, instrument mould described in described battery management module controlPiece is pointed out described user.
In one embodiment of the invention, in described first mode, described user is being carriedAfter showing, described battery management module is also for turn-off high tension loop after Preset Time, described in controlElectricity under electric automobile.
Thus, extend Preset Time and ensured that battery management module can record trouble data and warningPrompting driver, turn-offs high tension loop and has ensured that DC/DC does not continue electrokinetic cell to carry out power consumption, withThis has improved the security of stopping for charging, avoids not finding in time to cause because of charge fault driverLoss.
In another embodiment of the present invention, described in the entire car controller judgement of described electric automobileWhen electric automobile is not closed, described electric automobile enters the second pattern, when charger fault or batteryWhen fault, described battery management module is pointed out described user by described instrument module.
In an embodiment, described battery management module also for passing through described instrument in the time that judgement charging is normalTable module is lighted charging indicator light.
Thus, charge normally by the prompting user battery of lighting of charging indicator light, and complete in chargingTime, charging indicator light becomes green.
In one embodiment of the invention, when transferring to from closing at electric automobile described in charging processWhen startup, the interlocking of charging.
Thus, in the time that electric automobile in charging process transfers startup to from cutting out, entire car controller VMSCharging connection status detected, now, can not send anodal relay adhesive instruction, will chargeInterlocking, thereby the security that has improved electric automobile stopping for charging.
In one embodiment of the invention, described battery management module is by CAN bus and described instrumentTable module intercoms mutually.
The aspect that the present invention is additional and advantage in the following description part provide, and part will be from belowDescription in become obviously, or recognize by practice of the present invention.
Brief description of the drawings
The present invention above-mentioned and/or additional aspect and advantage below in conjunction with accompanying drawing retouching embodimentState middle becoming obviously and easily and understand, wherein:
Fig. 1 is the flow chart of the reminding method of charging electric vehicle according to an embodiment of the invention;
Fig. 2 is the flow process of the reminding method of the charging electric vehicle of a concrete example according to the present inventionFigure; With
Fig. 3 is the square frame signal of the prompt system of charging electric vehicle according to an embodiment of the inventionFigure.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, itsIn from start to finish same or similar label represent same or similar element or there is identical or similar meritThe element of energy. Exemplary below by the embodiment being described with reference to the drawings, only for explaining thisBright, and can not be interpreted as limitation of the present invention.
Disclosing below provides many different embodiment or example to be used for realizing different knot of the present inventionStructure. Of the present invention open in order to simplify, hereinafter the parts to specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention. In addition, the present invention canRepeat reference numerals and/or letter in different examples. This repetition is in order to simplify and order clearly, itself do not indicate the relation between discussed various embodiment and/or setting. In addition the present invention,The various specific technique providing and the example of material, but those of ordinary skill in the art can anticipateKnow to the property of can be applicable to of other techniques and/or the use of other materials. In addition, described below firstFeature Second Characteristic it " on " structure can comprise that the first and second Characteristics creations are direct contactEmbodiment, also can comprise the embodiment of other Characteristics creation between the first and second features, thisSample the first and second features may not be direct contacts.
In description of the invention, it should be noted that, unless otherwise prescribed and limit, term " installation "," be connected ", " connection " should be interpreted broadly, and for example, can be mechanical connection or electrical connection, also canBeing the connection of two element internals, can be to be directly connected, also can indirectly be connected by intermediary,For the ordinary skill in the art, can understand as the case may be the concrete of above-mentioned termImplication.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known.In these descriptions and accompanying drawing, specifically disclose some specific implementations in embodiments of the invention,Represent some modes of the principle of implementing embodiments of the invention, but should be appreciated that of the present inventionThe scope of embodiment is not limited. On the contrary, embodiments of the invention comprise that falling into additional right wantsAsk all changes, amendment and equivalent within the scope of spirit and the intension of book.
Describe below with reference to Fig. 1 and Fig. 2 propose according to first aspect present invention embodiment electronic in detailThe reminding method of vehicle charging.
As shown in Figure 1, the reminding method of the charging electric vehicle proposing according to the embodiment of the present invention, bagDraw together following steps:
Step S101, after charging plug inserts electric automobile, BMS(BatteryManagementSystem, battery management system) activate the instrument module in electric automobile, and instrument module starts.
Particularly, in the time that electric automobile need to charge, electric automobile is driven to charging place by driver,Insert charging plug, charger 12V power supply, battery management system BMS activates in electric automobileInstrument module, and the startup of instrument module, to show the charged state of electric automobile.
Step S102, BMS carries user by instrument module according to the charged state of electric automobileShow. Wherein, BMS intercoms mutually by CAN bus and instrument module, and charged state is logicalCrossing instrument module shows.
Further, in one embodiment of the invention, after instrument module starts, first VMS(VehicleManagementSystem, entire car controller) judges whether electric automobile is closed,Be whether electric automobile is in keyoff shelves. If judge that electric automobile cuts out, enter the first mouldFormula, if judge that electric automobile is not closed, enters the second pattern.
Particularly, in first mode, VMS does not participate in work, and BMS starts working. I.e. speech,BMS can carry out self-inspection, in the time that BMS self-inspection is not broken down by, charger fault or battery,BMS points out user by instrument module, for example, glimmer or buzzer warning by indicator lamp.After user is pointed out, and after the process scheduled time, BMS turn-offs high tension loop, controlElectricity under electric automobile processed, thus make DC/DC not continue electrokinetic cell to carry out power consumption. In the present inventionAn example in, the scheduled time is predefined. Wherein the scheduled time can be 10-40 minute,Preferably, the scheduled time is 30 minutes. It should be noted that, the value of this scheduled time is just as oneIndividual example, can be but be not limited to this value.
In the second pattern, if when charger fault or battery break down, BMS passes through instrumentModule is pointed out user, for example, glimmer or buzzer warning by indicator lamp.
In a concrete example of the present invention, in first mode, driver by vehicle drive to fillingElectricity place, stops when also keyoff starts to charge, and VMS does not participate in work, inserts charging plug,Charger 12V power supply, BMS starts working. BMS and Vehicular charger detect that vehicle-mounted charge connectsAfter connecing, send CAN message to instrument module, activate instrument module, enter duty BMS simultaneouslyCarry out self-inspection. Wherein, process of self-test comprises detection both positive and negative polarity relay status, if both positive and negative polarity relayDevice abnormal state, fail self-test, can not charge normal. Further, if normally do not filledIt (is that BMS detects the problem of battery own not that electricity (being charger fault) or battery system break downAllow charging) time, BMS can directly send order and stop charger charging, simultaneously by instrument moduleLight charging indicator light flickerAnd it is pre-to report to the police by the buzzing of instrument module controls instrument buzzerIf for example 1 minute time (this time can be demarcated according to actual conditions). After 1 minute, stop honeybeeRing, charging indicator light continue flicker, and time delay within 30 minutes, (this time can enter according to actual conditions equallyRower is fixed) rear BMS shutoff high tension loop, and enter lower electric process processing, after finishing dealing with, enter and stopDormancy state.
Extend Preset Time and ensured that battery management module BMS can record trouble data and warningPrompting driver, turn-offs high tension loop and has ensured that DC/DC does not continue electrokinetic cell to carry out power consumption, withThis has improved the security of stopping for charging, avoids not finding in time to cause because of charge fault driverLoss.
In this example, if in first mode or the second pattern, BMS self-inspection is passed through, chargerSelf-inspection is normal and battery detecting is normal, and BMS judgement charging is normal, and BMS is by instrument module pointBright charging indicator light. That is to say, if charging is normal, BMS sends CAN message equally to instrumentTable module, activates instrument module, and Vehicular charger and BMS carry out self-inspection, lights charging instruction simultaneouslyLampAfter charging completes, charging indicator light becomes green. Finally, BMS delay predetermined time exampleAfter 30 minutes, disconnect high tension loop, enter lower electric treatment process, after finishing dealing with, enter resting state.
In another concrete example of the present invention, in the second pattern, after vehicle stop but electronic vapourCar is not closed, and driver does not get to key keyoff shelves, and vehicle is in wheeled state. ThisTime, BMS, entire car controller VMS, instrument etc. are all in running order.
After charging plug inserts, charge protection relay can be by power battery anode relay and preliminary fillingElectrical relay forces to disconnect (wherein, BMS need to judge whether anodal relay is failure state, vacationAs anodal relay lost efficacy, carry out fault alarm, prompting driver). Now continue without disconnecting negative poleElectrical equipment, then enters charged state. Vehicular charger carries out self-inspection, if fail self-test, BMSJudge charger fault, BMS detects battery and whether has fault simultaneously. When charger fault or batteryWhen fault, BMS sends malfunction to instrument module, lights charging indicator light by instrument moduleDodgeBright, buzzer buzzing is simultaneously reported to the police, and the buzzing time can be that (this time can be according to actual feelings in 1 minuteCondition is demarcated). After Vehicular charger self-inspection success, enter the process of charging normal, BMS passes through instrumentTable module is lighted charging indicator light, and the rear charging indicator light that charged becomes green. When driver needsWhen driving, charging plug is pulled up, BMS judgement charging plug is extracted, and enters the processing procedure that powers on,After having powered on, car load is in can starting state.
In an embodiment of the present invention, when electric automobile charges normal in process, if driver's operationKey is got to keyon shelves from keyoff shelves, and operation key is while carrying out start, due to BMSThrough powering on, now no longer self-inspection of BMS, VMS decision-making system is normal, and now driver continues behaviourMake key to start, VMS detects charging connection status, can not send anodal relay adhesive instruction,Thereby will charge interlocking. That is to say, when electric automobile in charging process is converted into from cutting outWhen starting state, the interlocking of charging.
In above-mentioned example, in the process of charging batteries of electric automobile, BMS activates in electric automobileInstrument module, and instrument module starts, BMS according to charging electric vehicle state by instrument mouldPiece shows, and in the time that charging is abnormal, by the timely reminding user of reporting to the police, thereby avoids because of chargingFault driver does not find and the loss that causes in time, the security that has improved stopping for charging.
As a concrete example, as shown in Figure 2, the reminding method bag of above-mentioned charging electric vehicleDraw together following steps:
Step S201, charging plug inserts.
Particularly, in the time stopping, when needs are during to charging electric vehicle, first charging plug to be insertedEnter electric automobile, obtain power supply.
Step S202, judges whether 12V connects.
Particularly, judge whether battery is connected to the power supply of 12V, if so, perform step S203With step S204, otherwise return to step S201.
Step S203, Vehicular charger self-inspection.
Step S204, BMS self-inspection.
Particularly, be connected to after 12V power supply at electric automobile, BMS carries out self-inspection. Wherein, self-inspectionProcess comprises detection both positive and negative polarity relay status, if abnormal state, fail self-test, can not carry outCharge normal. In BMS self-inspection, execution step S213, activates instrument CAN module.
Step S205, whether self-inspection is successful for Vehicular charger.
Particularly, whether self-inspection is successful to judge Vehicular charger, if it is performs step S206 and stepRapid S207, otherwise execution step S208.
Step S206, charging connects to be confirmed.
Particularly, after Vehicular charger self-inspection is passed through, confirm whether charging connects normal, if it isExecution step S209, otherwise execution step S208.
Step S207, controls and confirms.
Particularly, after Vehicular charger self-inspection is passed through, confirm whether normal charging is controlled. If it isExecution step S209, otherwise execution step S208.
Step S208, it is abnormal that BMS detects charging. That is to say, detect after charging extremely at BMS,Execution step S212.
Step S209, starts CAN communication.
Whether step S210, normally enter charged state.
Particularly, judge whether charger normally enters charged state, if it is performs step S211,Otherwise execution step S212.
Step S211, instrument shows current charged state.
Particularly, in the time that charger normally enters charged state, instrument shows current charged stateGive user.
Step S212, sends a signal to instrument warning BMS dormancy after 30 minutes.
Particularly, occur when abnormal in the charged state of charger, BMS sends a signal to instrument module,Thereby control buzzer warning prompting user, and BMS turn-offs high tension loop after 30 minutes, andEnter lower electric process processing, after finishing dealing with, enter resting state. Time delay 30 minutes is in order to ensureBMS can record trouble data and alarm driver, and turn-offing high tension loop is in order to ensureDC/DC does not continue electrokinetic cell to carry out power consumption.
Step S213, activates instrument CAN module.
Particularly, detect after vehicle-mounted charge connection at BMS and Vehicular charger, total by CANLine sends CAN message to instrument, activates instrument module.
Step S214, whether BMS self-inspection is passed through.
Particularly, judge that whether BMS self-inspection is passed through, and if it is performs step S209, otherwise holdsRow step S212.
According to the reminding method of the charging electric vehicle of the embodiment of the present invention, at charging batteries of electric automobileProcess in, BMS activates the instrument module in electric automobile, and instrument module starts, BMSShow by instrument module according to charging electric vehicle state, and in the time that charging is abnormal, by reportAlert prompting driver in time. Thus, electric automobile driver in the time of stopping for charging can intuitively understand electricityThe state-of-charge SOC in pond, and in the time there is charge fault, can remind in time driver, therebyAvoid the loss causing because of charge fault, improved the security of stopping for charging. In addition, this is carriedShow that method is simple and reliable.
Describing below with reference to Fig. 3 the electric automobile proposing according to second aspect present invention embodiment in detail fillsThe prompt system of electricity.
The prompt system 300 of the charging electric vehicle that as shown in Figure 3, the embodiment of the present invention proposes comprises:Battery management module 310 and instrument module 320. Wherein, battery management module 320 is cell tubeReason system BMS.
Battery management module 310 is connected with instrument module 320, and battery management module 310 is for examiningWhile measuring charging plug insertion electric automobile, generate detection signal, and activate instrument mould according to detection signalPiece 320, instrument module 320 starts, and battery management module 310 is according to the charging of electric automobileState is pointed out user by instrument module 320. Wherein, battery management module 310 is passed through CANBus intercoms mutually with instrument module 320.
In one embodiment of the invention, judge that at the entire car controller of electric automobile electric automobile closesAfter closing, electric automobile enters first mode. After electric automobile cuts out, work as battery management module310 self-inspections are not during by, charger fault or battery failures, and battery management module 310 is passed through instrumentTable module 320 is pointed out user. And after user is pointed out, battery management module 310After Preset Time, turn-off high tension loop, control electricity under electric automobile. Wherein, as an example,The scheduled time can be 10-40 minute, and preferably, the scheduled time is 30 minutes. Delay predetermined timeWithin 30 minutes, be for example in order to ensure that battery management module 310 can record trouble data and alarmDriver, turn-offing high tension loop is in order to ensure that DC/DC does not continue electrokinetic cell to carry out power consumption.
Particularly, in an example of the present invention, when vehicle drive is to charging place, stop and keyWhen off starts to charge, VMS does not participate in work, inserts charging plug, charger 12V power supply, electricityPond administration module 310 is started working. After detecting that vehicle-mounted charge connects, send detection signal to electricityPond administration module 310, battery management module 310 sends CAN message to instrument module 320, activatesInstrument module 320, enters duty while battery management module 310 and carries out self-inspection. If not justNormal charging (charger fault) or battery system break down, and (battery management module 310 detects electricityThe problem in pond own does not allow charging), battery management module 310 can directly send order and stop chargerCharging indicator light flicker are lighted in charging simultaneouslyInstrument buzzer buzzing is simultaneously reported to the police 1 minute (shouldTime can be demarcated according to actual conditions). After 1 minute, stop buzzing, charging indicator light continues to dodgeBright, 30 minutes (this time can be demarcated according to actual conditions equally) rear battery management module of time delay320 turn-off high tension loop, and enter lower electric process processing, after finishing dealing with, enter resting state. AsWhen the self-inspection of fruit Vehicular charger is passed through and battery system is normal, battery management module 320 judgement chargings justOften, now, the same CAN message that sends of battery management module 310 is to instrument module 320, activating instrumentTable module 320, Vehicular charger and battery management module 310 are carried out self-inspection, light charging simultaneously and refer toShow lampWhen charging completes, charging indicator light becomes green. 30 points of battery management module 310 time delaysAfter clock, disconnect high tension loop, enter lower electric treatment process, after finishing dealing with, enter resting state.
In another embodiment of the present invention, judge electric automobile at the entire car controller of electric automobileWhile not being closed, electric automobile enters the second pattern. In the time that electric automobile is not closed, work as chargerWhen fault or battery failures, battery management module 310 is pointed out user by instrument module 320.
Particularly, in another example of the present invention, in the second pattern, after vehicle stop but electricityElectrical automobile is not closed, and driver does not get to key keyoff shelves, and vehicle is in wheeled state.Now, battery management module 310, entire car controller VMS, instrument module 320 etc. are all in workState. I.e. speech, after charging plug inserts, charge protection relay can be by power battery anode relayDevice and pre-charge-relay force to disconnect (whether battery management module 310 need to judge anodal relayBe failure state, if anodal relay lost efficacy, carry out fault alarm, prompting driver), nowWithout disconnecting negative pole relay, then enter charged state. Vehicular charger carries out self-inspection, if fromExamine unsuccessfully, battery management module 310 is judged charger fault, and battery management module 310 is examined simultaneouslySurvey battery and whether have fault. In the time of charger fault or battery failures, 310 of battery management moduleSend malfunction to instrument module 320, light charging indicator light by instrument module 320Flicker simultaneouslyBuzzer buzzing is reported to the police, 1 minute buzzing time. Wherein, this time can mark according to actual conditionsFixed. If self-inspection success, enters the process of charging normal, battery management module 310 is by instrument module320 light charging indicator light, and the rear charging indicator light that charged becomes green. Driver needs to driveTime, charging plug to be pulled up, battery management module 310 judges that charging plug extracts, and enters and powers onProcessing procedure, after having powered on, car load is in can starting state.
In one embodiment of the present of invention, in the time that electric automobile in charging process transfers startup to from cutting out,The interlocking of charging.
Particularly, when charging normal in process, if driver's operation key is got to key from keyoff shelvesOn shelves, and operation key carries out start. Because battery management module 310 has powered on, now electricityPond administration module 310 no longer carries out self-inspection, and entire car controller VMS decision-making system is normal, if nowDriver continues to operate key to start, because VMS detects charging connection status, now can not send outSend anodal relay adhesive instruction, the interlocking of charging.
According to the prompt system 300 of the electric automobile of the embodiment of the present invention, at charging batteries of electric automobileProcess in, battery management module 310 activates the instrument module 320 in electric automobile, and instrumentModule 320 starts, and battery management module 310 is passed through instrument module 320 according to charging electric vehicle stateShow, and in the time that charging is abnormal, remind in time driver by reporting to the police. Thus, by controlMake the change of tactful change and a small amount of low voltage wiring harness, make driver more straight on meter information showsThat sees observes charged state, the alarm condition while comprising charge fault, thereby avoided because charging thereforeBarrier driver does not find and the loss that causes in time, the security that has improved stopping for charging.
Any process of otherwise describing in flow chart or at this or method are described and can be understoodFor, represent to comprise that one or more is for realizing the carrying out of step of specific logical function or processModule, fragment or the part of the code of instruction, and the scope of the preferred embodiment of the present invention comprisesRealization in addition, wherein can, not according to order shown or that discuss, comprise according to related functionBy the mode of basic while or by contrary order, carry out function, these should be by embodiments of the inventionPerson of ordinary skill in the field understands.
The logic and/or the step that in flow chart, represent or otherwise describe at this, for example, canBe considered to the sequencing list of the executable instruction for realizing logic function, may be embodied in and appointIn what computer-readable medium, for instruction execution system, device or equipment (as computer basedSystem, comprise that the system of processor or other can be from instruction execution system, device or equipment instruction fetchAnd carry out the system of instruction) use, or use in conjunction with these instruction execution systems, device or equipment.With regard to this description, " computer-readable medium " can be anyly can comprise, store, communicate by letter,Propagate or transmission procedure for instruction execution system, device or equipment or in conjunction with these instruction execution systems,Device or equipment and the device that uses. (the non-exhaustive row of example more specifically of computer-readable mediumTable) comprise following: there is the electrical connection section (electronic installation) of one or more wirings, portable meterCalculation machine tray salver (magnetic device), random-access memory (ram), read-only storage (ROM),The erasable read-only storage (EPROM or flash memory) of editing, fiber device, and portableFormula compact disc read-only memory (CDROM). In addition, computer-readable medium can be even can be at itThe paper of the described program of upper printing or other suitable media, because can for example pass through paper or other JieMatter is carried out optical scanner, then edits, decipher or process with other suitable methods if desiredObtain described program in electronics mode, be then stored in computer storage.
Should be appreciated that each several part of the present invention can use hardware, software, firmware or their combination comeRealize. In the above-described embodiment, multiple steps or method can be with being stored in memory and by closingSoftware or firmware that suitable instruction execution system is carried out are realized. For example, if realized with hardware,The same in another embodiment, any one in available following technology well known in the art or theyCombination realize: the discrete of logic gates having for data-signal being realized to logic function patrolledCollect circuit, there is the special IC of suitable combinational logic gate circuit, programmable gate array(PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that and realize whole that above-described embodiment method carriesOr part steps is can carry out the hardware that instruction is relevant by program to complete, described program can be storedIn a kind of computer-readable recording medium, this program, in the time carrying out, comprises the step of embodiment of the methodOne or a combination set of.
In addition, the each functional unit in each embodiment of the present invention can be integrated in a processing moduleIn, can be also that the independent physics of unit exists, also can be integrated in two or more unitIn a module. Above-mentioned integrated module both can adopt the form of hardware to realize, and also can adopt softThe form of part functional module realizes. If described integrated module realizes with the form of software function moduleAnd as production marketing independently or while using, also can be stored in embodied on computer readable storage JieIn matter.
The above-mentioned storage medium of mentioning can be read-only storage, disk or CD etc.
In the description of this description, reference term " embodiment ", " some embodiment ", " example ",It is concrete that the description of " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or exampleFeature, structure, material or feature are contained at least one embodiment of the present invention or example. ?In this description, the schematic statement of above-mentioned term is not necessarily referred to identical embodiment or example.And specific features, structure, material or the feature of description can be in any one or more realitiesExecute in example or example with suitable mode combination.
Although illustrated and described embodiments of the invention, for those of ordinary skill in the art, being appreciated that without departing from the principles and spirit of the present invention can be to these embodimentCarry out multiple variation, amendment, replacement and modification, scope of the present invention by claims and etc.With limiting.
Claims (10)
1. a reminding method for charging electric vehicle, is characterized in that, comprises the following steps:
After charging plug inserts described electric automobile, battery management system BMS activates described electronicInstrument module in automobile, and described instrument module starts; And
Described battery management system BMS according to the charged state of described electric automobile by described instrumentModule is pointed out user;
Wherein, after described instrument module starts, also judge whether described electric automobile is closed;
If judgement is closed, enter first mode, among described first mode, if instituteWhile stating battery management system BMS self-inspection not by, charger fault or battery failures, described batteryManagement system BMS points out described user by described instrument module.
2. the reminding method of charging electric vehicle as claimed in claim 1, is characterized in that, in instituteAfter stating the startup of instrument module, if judgement is not closed, enter the second pattern, described secondAmong pattern, if when described charger fault or battery failures, described battery management system BMS is logicalCrossing described instrument module points out described user.
3. the reminding method of charging electric vehicle as claimed in claim 2, is characterized in that, in instituteState in first mode, after described user is pointed out, also comprise:
After the process scheduled time, described battery management system BMS turn-offs high tension loop, controls instituteState electric automobile power-off.
4. the reminding method of charging electric vehicle as claimed in claim 2, is characterized in that, also bagDraw together:
If described battery management system BMS judgement charging is normal, described battery management system BMSLight charging indicator light by described instrument module.
5. the reminding method of charging electric vehicle as claimed in claim 2, is characterized in that, whenWhen electric automobile described in charging process transfers startup to from cutting out, the interlocking of charging.
6. the reminding method of charging electric vehicle as claimed in claim 1, is characterized in that, described inBattery management system BMS intercoms mutually by CAN bus and described instrument module.
7. a prompt system for charging electric vehicle, is characterized in that, comprises instrument module and batteryAdministration module, wherein,
Described battery management module is connected with described instrument module, and described battery management module is for examiningMeasure and when charging plug inserts described electric automobile, generate detection signal, and swash according to described detection signalDescribed instrument module alive, described instrument module starts, and described battery management module is according to described electricityThe charged state of electrical automobile is pointed out user by described instrument module, wherein,
After the entire car controller of described electric automobile judges that described electric automobile cuts out, described electronicAutomobile enters first mode, when described battery management module self-inspection is not by, charger fault or electricityWhen pond fault, described battery management module is pointed out described user by described instrument module.
8. the prompt system of charging electric vehicle as claimed in claim 7, is characterized in that, in instituteThe entire car controller of stating electric automobile judges that, when described electric automobile is not closed, described electric automobile entersEnter the second pattern, in the time of charger fault or battery failures, described battery management module is by described instrumentTable module is pointed out described user.
9. the prompt system of charging electric vehicle as claimed in claim 7, is characterized in that, in instituteState in first mode, after described user is pointed out, described battery management module also forAfter Preset Time, turn-off high tension loop, control described electric automobile power-off.
10. the prompt system of charging electric vehicle as claimed in claim 7 or 8, is characterized in that,Described battery management module also refers to for light charging by described instrument module in the time that judgement charging is normalShow lamp.
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