CN104410138B - Automobile charging and discharging control system and method - Google Patents

Automobile charging and discharging control system and method Download PDF

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Publication number
CN104410138B
CN104410138B CN201410679623.6A CN201410679623A CN104410138B CN 104410138 B CN104410138 B CN 104410138B CN 201410679623 A CN201410679623 A CN 201410679623A CN 104410138 B CN104410138 B CN 104410138B
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China
Prior art keywords
discharge
bidirectional
charge
battery management
battery
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CN104410138A (en
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李远方
吴丹丹
冯超
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Chongqing Changan New Energy Automobile Technology Co Ltd
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Chongqing Changan Automobile Co Ltd
Chongqing Changan New Energy Automobile Co Ltd
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Abstract

The invention discloses an automobile charging and discharging control system and method. A controller of the integral automobile controls a battery management system according to a charging or discharging mode, and the battery management system controls a battery pack to interact with a bidirectional direct-current charging and discharging pile according to the specific charging or discharging mode; under the charging mode, the battery management system controls the bidirectional direct-current charging and discharging pile to charge the battery pack and the bidirectional direct-current charging and discharging pile is powered by the power grid through voltage transformation via a transformer; under the discharging mode, the battery management system controls the battery pack to discharge to the bidirectional direct-current charging and discharging pile, and the bidirectional direct-current charging and discharging pile supplies power to the power grid via transformation by the transformer. By the automobile charging and discharging control method, direct charging and discharging between the automobile and the power grid are realized, and bidirectional interaction control of the power quantity of the power grid and the battery of the electric automobile is realized according to demands of users. In addition, charging and discharging process is simple and quick charging and discharging of the automobile and the power grid can be realized.

Description

A kind of automobile charge-discharge control system and method
Technical field
The present invention relates to electric control field, more particularly to a kind of automobile charge-discharge control system and method.
Background technology
With expanding economy, automobile is increasingly popularized in daily life, and automobile engine is that the electricity consumption in automobile sets Available electricity, such as room light lamp, be have also appeared substantial amounts of mobile unit and are used in the car by the power supply of automobile, mobile unit refers to The product that can use on automobile or similar tool movement, such as common vehicle mounted MP 3, MP4, GPS and vehicle-carrying DVD etc., also Vehicle-mounted hard disks machine, vehicle power, car refrigerator, vehicle-mounted massager, vehicle-mounted computer, in-car TV, vehicle-mounted hard disks machine, vehicle-mounted U-disk Videocorder etc..
Mobile unit, through particular design, typically gives power supply by vehicle-mounted cigarette lighter, and the electricity of needs is less, general Electrical equipment power consumption larger, and automobile is charged by electromotor, and charge capacity is inadequate, deposit electricity less it is impossible to be General electrical equipment is powered.
Content of the invention
In view of this, present invention is primarily targeted at providing a kind of automobile charge-discharge control system and method, Ke Yishi Existing direct discharge and recharge between automobile and electrical network.
For achieving the above object, the invention provides a kind of automobile charge-discharge control system, including:
Vehicle terminal system and charging pile terminal system;
Described vehicle terminal system includes:Entire car controller, battery management system and battery bag;
Described charging pile terminal system includes:Bidirectional, dc discharge and recharge stake and transformator;
Described entire car controller is used for controlling described battery management system when sending charging signals to described battery management system System execution charging operations, control described battery management system execution electric discharge behaviour when sending discharge signal to described battery management system Make;
Described battery management system is connected with described entire car controller, for receiving described entire car controller transmission Charging signals after connect with described bidirectional, dc discharge and recharge stake, control described bidirectional, dc discharge and recharge stake fill to described battery bag Electricity, is connected with described bidirectional, dc discharge and recharge stake in the discharge signal receiving described entire car controller transmission, controls described electricity Chi Bao discharges to described bidirectional, dc discharge and recharge stake;
Described battery bag is connected with described battery management system, under charge mode from described bidirectional, dc charge and discharge Electric stake is charged, and discharges to described bidirectional, dc discharge and recharge stake under discharge mode;
Described bidirectional, dc discharge and recharge stake is connected with described battery management system and described battery bag, in charging mould Configure charge parameter under formula, charge to described battery manager transmission charge request and for described battery bag, under discharge mode Configuration discharge parameter, sends, to described battery manager, the electric discharge that described battery bag was asked and received in electric discharge;
Described transformator is connected with described bidirectional, dc discharge and recharge stake, for the alternating current of electrical network is changed into unidirectional current Supply described bidirectional, dc discharge and recharge stake and/or the unidirectional current of bidirectional, dc discharge and recharge stake is changed into alternating current supply electrical network.
Preferably, described vehicle terminal system also includes:
Integrated audio-video system and mobile terminal;
Described integrated audio-video system is connected with described entire car controller, and the charge or discharge for receiving mobile terminal refer to Order, shows charging and discharging state information, arranges charge and discharge electrical operating parameter and sends car status information to mobile terminal;
Described mobile terminal is connected with described integrated audio-video system, refers to for sending charging to described integrated audio-video system Order or electric discharge instruct, show the car status information receiving and control car load discharge and recharge.
Present invention also offers a kind of automobile charge/discharge control method, for automobile charge-discharge control system,
Methods described includes:
Start entire car controller, judge the signal type that described entire car controller sends to battery management system, if described Signal type is the signal that request is charged, then execute charging operations, if described signal type is the signal of request electric discharge, execute Discharge operation;
Described charging operations include:
Described battery management system is attached with bidirectional, dc discharge and recharge stake after receiving the signal that request is charged;
After successful connection, described bidirectional, dc discharge and recharge stake configures charge parameter, and sends institute to described battery management system State charge parameter;
Described battery management system judges described bidirectional, dc discharge and recharge stake whether shape according to the described charge parameter receiving State is normal, if normally, sends to described bidirectional, dc charge-discharge system and receives successful information, described bidirectional, dc discharge and recharge system System sends charge request to described battery management system after receiving described reception successful information;
It is that described battery bag charges that described battery management system controls described bidirectional, dc discharge and recharge stake;
Described discharge operation includes:
Described battery management system is attached with bidirectional, dc discharge and recharge stake after receiving the signal that request is discharged;
After successful connection, described bidirectional, dc discharge and recharge stake configures discharge parameter, and sends institute to described battery management system State discharge parameter;
Described battery management system judges described bidirectional, dc discharge and recharge stake whether shape according to receiving charge parameter described in Russia State is normal, if normally, sends to described bidirectional, dc charge-discharge system and receives successful information, described bidirectional, dc discharge and recharge system System sends electric discharge request to described battery management system after receiving described reception successful information;
Described battery management system controls described battery bag to discharge to described bidirectional, dc discharge and recharge stake.
Preferably, described entire car controller also includes before starting:
Charge or discharge instruction is sent to described integrated audio-video system by mobile terminal, and described integrated audio-video system is according to connecing The charge or discharge receiving instruct and send corresponding charge or discharge operational parameter signals to described entire car controller.
Preferably, described entire car controller also includes after starting:
Electricity in described entire car controller low pressure first, electricity on high pressure again after electricity in low pressure.
Preferably, described bidirectional, dc discharge and recharge stake is also to include after described battery bag charges:
Described battery management system receive disconnect after described bidirectional, dc discharge and recharge stake stops the signal charging with described The connection of battery bag, and send, to described entire car controller, the signal terminating that charges;
Described entire car controller receives electricity under first high pressure after the described signal charging and terminating, then electricity under low pressure.
Preferably, described battery bag also includes after discharging to described bidirectional, dc discharge and recharge stake:
Described battery management system receive disconnect after described bidirectional, dc discharge and recharge stake stops the signal of electric discharge with described The connection of battery bag, and send, to described entire car controller, the signal that electric discharge terminates;
Described entire car controller receives electricity under first high pressure after the signal that described electric discharge terminates, then electricity under low pressure.
Preferably, methods described also includes:
Described bidirectional, dc discharge and recharge stake is battery management system described in described battery bag charging process to described car load Controller sends battery status information;
Described entire car controller judges whether to break down according to the battery status information receiving, if breaking down, will Fault stores.
Preferably, methods described also includes:
Described battery bag is to battery management system described in described bidirectional, dc discharge and recharge stake discharge process to described car load Controller sends battery status information;
Described entire car controller judges whether to break down according to the battery status information receiving, if breaking down, will Fault stores.
Preferably, methods described also includes:
Described integrated audio-video system shows to the state of discharge and recharge, battery status information and fault message, and by institute The information of stating sends to mobile terminal.
Automobile charge-discharge control system and method that the present invention provides, entire car controller is according to charge or discharge Schema control Battery management system, described battery management system is according to specific charge or discharge mode control battery bag and bidirectional, dc charge and discharge Interaction between electric stake, under charge mode, described battery management system controls described bidirectional, dc discharge and recharge stake to described battery Bag charges, and bidirectional, dc discharge and recharge stake is powered through the transformation of transformator by electrical network, under discharge mode, described battery management system Described battery bag is controlled to discharge to described bidirectional, dc discharge and recharge stake, bidirectional, dc discharge and recharge stake supplies to electrical network transformation through transformator Electricity, the automobile charge/discharge control method that the application present invention provides is it is achieved that direct discharge and recharge, Ke Yigen between automobile and electrical network Realize power grid electric according to the demand of user to control with the two-way interactive of battery of electric vehicle electricity, and discharge and recharge flow process is simple, permissible Realize the fast charging and discharging between automobile and electrical network.
Brief description
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing Have technology description in required use accompanying drawing be briefly described it should be apparent that, drawings in the following description be only this Inventive embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis The accompanying drawing providing obtains other accompanying drawings.
Fig. 1 is a kind of structural representation of present invention automobile charge-discharge control system;
Fig. 2 is a kind of structural representation of present invention automobile charge-discharge control system one specific embodiment;
Fig. 3 is the parameter list of automobile charge-discharge control system of the present invention;
Fig. 4 is a kind of circuit diagram of present invention automobile charge-discharge control system one specific embodiment;
Fig. 5 is a kind of flow chart of present invention automobile charge/discharge control method;
Fig. 6 is a kind of flow chart of present invention automobile charge/discharge control method one specific embodiment.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work Embodiment, broadly falls into the scope of protection of the invention.
As shown in figure 1, a kind of structural representation of the automobile charge-discharge control system providing for the present invention, its feature exists In, including:
Vehicle terminal system and charging pile terminal system;
Described vehicle terminal system includes:Entire car controller 101, battery management system 102 and battery bag 103;
Described charging pile terminal system includes:Bidirectional, dc discharge and recharge stake 104 and transformator 105;
Described entire car controller 101 is used for controlling described battery when sending charging signals to described battery management system 102 Management system 102 executes charging operations, controls described battery management system when sending discharge signal to described battery management system 102 System 102 execution discharge operation;
Described battery management system 102 is connected with described entire car controller 101, for receiving described full-vehicle control Connect with described bidirectional, dc discharge and recharge stake 104 after the charging signals that device 101 sends, control described bidirectional, dc discharge and recharge stake 104 charge to described battery bag 103, are receiving discharge signal and the described bidirectional, dc that described entire car controller 101 sends Discharge and recharge stake 104 connects, and controls described battery bag 103 to discharge to described bidirectional, dc discharge and recharge stake 104;
Described battery bag 103 is connected with described battery management system 102, under charge mode from described two-way straight Stream discharge and recharge stake 104 is charged, and discharges to described bidirectional, dc discharge and recharge stake 104 under discharge mode;
Described bidirectional, dc discharge and recharge stake 104 is connected with described battery management system 102 and described battery bag 103, uses In configuring charge parameter under charge mode, charge to described battery manager transmission charge request and for described battery bag 103, Configure discharge parameter under discharge mode, send electric discharge to described battery manager and ask and receive putting of described battery bag 103 Electricity;
Described transformator 105 is connected with described bidirectional, dc discharge and recharge stake 104, for being changed into the alternating current of electrical network Unidirectional current supplies described bidirectional, dc discharge and recharge stake 104.
Described transformator 105 is connected with described bidirectional, dc discharge and recharge stake 104, for being changed into the alternating current of electrical network Unidirectional current supplies described bidirectional, dc discharge and recharge stake 104 and/or the unidirectional current of bidirectional, dc discharge and recharge stake 104 is changed into exchange Electricity supply electrical network.
The automobile charge-discharge control system that the present invention provides, the connected mode between each several part can be:Described car load control Device processed is connected with battery management system, integrated audio-video system respectively by CAN line, described battery management system pass through CAN line with Battery bag connects.Select charge mode for automobile when user needs to charge, when user needs to use for other using automobile power Discharge mode is selected, entire car controller is according to charge or discharge Schema control battery management system, described electricity when electric equipment is powered Pond management system, according to interacting between specific charge or discharge mode control battery bag and bidirectional, dc discharge and recharge stake, charges Under pattern, described battery management system controls described bidirectional, dc discharge and recharge stake to charge to described battery bag, is automobile storage storing up electricity Amount;Under discharge mode, described battery management system controls described battery bag to discharge to described bidirectional, dc discharge and recharge stake, then passes through Bidirectional, dc discharge and recharge stake is powered for other electrical equipments, realizes the power supply to other electrical equipments for the automobile.Bidirectional, dc charge and discharge Carry out electricity through transformator transformation between electric stake and electrical network to interact it is achieved that direct discharge and recharge between automobile and electrical network, make The electrical equipment that the electricity that automobile can store abundance is general is powered.
As shown in Fig. 2 being the structural representation of automobile charge-discharge control system one specific embodiment of the present invention, corresponding to figure 1, also include:
Integrated audio-video system 106 and mobile terminal 1 07;
Described integrated audio-video system 106 is connected with described entire car controller 101, for receiving filling of mobile terminal 1 07 Electricity or electric discharge instruction, show charging and discharging state information, arrange charge and discharge electrical operating parameter and send vehicle-state to mobile terminal 1 07 Information;
Described mobile terminal 1 07 is connected with described integrated audio-video system 106, for described integrated audio-video system 106 Send charging instruction or electric discharge instruction, show the car status information receiving and control car load discharge and recharge.
The embodiment of the present invention is based on V2G technology, i.e. Vehicle to Grid technology, that is, makes electric automobile controlled Realization and the direct two-way interaction of electrical network and exchange, described mobile terminal and integrated audio-video system wireless coupling, client under state Can be sent by mobile terminal such as mobile phone remote and automobile charge or discharge are instructed to integrated audio-video system it is also possible to lead in the car Cross and integrated audio-video system is configured, charge and discharge electrical information is sent to entire car controller.
Also intelligent electric meter can be set up between described bidirectional, dc discharge and recharge stake and transformator, voltage status right can be shown Voltage is adjusted.
As shown in figure 3, being entire car controller, battery management system, integrated audio-video system, battery bag, bidirectional, dc charge and discharge The parameter of electric stake and mobile terminal and basic function, bidirectional, dc discharge and recharge stake can be real taking user mobile phone as a example for mobile terminal Now quickly convey more than the electric power of 60kW power.
As shown in figure 4, specific embodiment circuit diagram, vehicle end and the charging pile for automobile charge-discharge control system of the present invention End is connected by vehicle interface, and vehicle interface includes vehicle plug and vehicle socket, and this embodiment control pilot circuit is GB/ DC charging control pilot circuit in T20234.3-2011, this control pilot circuit includes off-board charger control device (i.e. bidirectional, dc discharge and recharge stake control section), catalyst K1, catalyst K2, low pressure subsidiary loop relay K3 and K4, direct current Current supply circuit catalyst K5 and K6, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, switch S, electronic lock, battery bag with And battery management system.Resistance R2 and R3 is arranged on vehicle plug, and resistance R4 is arranged on vehicle socket.Wherein, off-board Charger control device is test point 1 with the junction point of the CC1 (charge and discharge electrically connects confirmation) of vehicle plug;Battery management system 8 It is test point 2 with the junction point of the CC2 (charge and discharge electrically connects confirmation) of vehicle socket;Switch S is that the inside of vehicle plug normally closed is opened Close, after vehicle plug is fully connected with vehicle socket, switch S closure.In whole charge and discharge process, off-board charger control Device processed should be able to detect catalyst K1, K2, relay K3, K4 and electronics lock status and control it to be switched on and off.Battery management System should be able to detect catalyst K5 and K6 state and control it to be switched on and off.This control guidance circuit has following basic training Energy:
1) vehicle plug and vehicle socket plug together
Vehicle plug is plugged together with vehicle socket, vehicle plug is detected by entire car controller and plugged together, pass through Control algolithm makes vehicle be in can not transport condition.
2) discharge and recharge man-machine interaction setting
The magnitude of voltage that operator measure test point 1 to off-board charger control device judges that vehicle plug is inserted with vehicle Whether seat is fully connected, and such as test point 1 magnitude of voltage is 4V, then judge that vehicle interface is fully connected.When operator are to charge and discharge After electric stake man-machine interaction is provided with and after bidirectional, dc discharge and recharge stake judges that vehicle interface is fully connected, bidirectional, dc charge and discharge Electric stake controls electronic lock locking.Whole charge and discharge process is only having operator to arrange discharge and recharge to bidirectional, dc discharge and recharge stake Just electronic lock can be unlocked after instruction.
3) bidirectional, dc discharge and recharge stake self-inspection
After vehicle interface is fully connected, such as bidirectional, dc discharge and recharge stake completes self-inspection, then close catalyst K3 and K4, make Low pressure auxiliary power supply loop turns on, and the cycle that starts simultaneously at sends " discharge and recharge stake recognizes message ".
4) discharge and recharge prepares
After battery management system and bidirectional, dc discharge and recharge stake control device complete to shake hands and configure by communication, cell tube Reason system closes catalyst K5 and K6, so that charging and discharging circuit is turned on, off-board charger control device closes catalyst K1 and K2, Direct current power supply loop is made to turn on.
5) execute discharge and recharge
In the whole discharge and recharge stage, battery management system is filled by sending battery in real time to off-board charging pile control device Electric discharge level demand is controlling whole charge and discharge process.Bidirectional, dc discharge and recharge stake adjusts according to battery charging and discharging level demand Charging/discharging voltage and charging and discharging currents are normally carried out with guaranteeing charge and discharge process, additionally, battery management system and off-board charging Stake control device mutually sends respective status information.
6) discharge and recharge terminates
Battery management system according to whether battery system receives " discharge and recharge stake stops discharge and recharge message " judges whether to tie Bundle discharge and recharge.When discharge and recharge reaches termination condition, battery management system starts cycle transmission, and " battery management system stops charge and discharge Telegram literary composition ", disconnects catalyst K5 and K6 after 1s.When reach operator setting discharge and recharge termination condition or receive " battery Management system stops discharge and recharge message " after, off-board charger control device starts cycle transmission, and " discharge and recharge stake stops discharge and recharge Message ", and control bidirectional, dc discharge and recharge stake to stop discharge and recharge, disconnect catalyst K1 and K2 afterwards.When operator implement When stopping discharge and recharge instruction, off-board charging pile control device starts cycle transmission " discharge and recharge stake stops discharge and recharge message ", and Control bidirectional, dc discharge and recharge stake to stop discharge and recharge, disconnect catalyst K1~K4 afterwards, then electronic lock unblock.
As shown in figure 5, being the flow chart of automobile charge/discharge control method of the present invention, including:
Step S101:Start entire car controller;
Step S102:Whether judge that entire car controller sends to battery management system is the signal that request is charged, if It is to execute charging operations, if no, execution step S103 of fruit;
Battery management system judges the signal type that entire car controller sends, if charge request signal, then executes charging Operation.
Step S103:Judge entire car controller to battery management system send be whether request electric discharge signal, if It is to execute discharge operation;
Battery management system judges the signal type that entire car controller sends, if electric discharge request signal, then executes electric discharge Operation.
Described charging operations include:
Step S104:Battery management system is attached with bidirectional, dc discharge and recharge stake;
Described battery management system is attached with bidirectional, dc discharge and recharge stake after receiving the signal that request is charged.
Step S105:Bidirectional, dc discharge and recharge stake configures charge parameter, and sends the described ginseng that charges to battery management system Number;
After successful connection, described bidirectional, dc discharge and recharge stake configures charge parameter, such as time synchronized parameter and bidirectional, dc Discharge and recharge stake maximum output ability parameter, and send described charge parameter to described battery management system.
Step S106:Judge that battery management system judges whether state normally, if normally, enters for bidirectional, dc discharge and recharge stake Step S107;
Described battery management system judges described bidirectional, dc discharge and recharge stake whether shape according to the described charge parameter receiving State is normal, thus deciding whether to be charged by described bidirectional, dc discharge and recharge stake.
Step S107:Battery management system sends to bidirectional, dc charge-discharge system and receives successful information;
Step S108:Bidirectional, dc charge-discharge system sends charge request to battery management system;
Described bidirectional, dc charge-discharge system sends to described battery management system after receiving described reception successful information and fills Electricity request.
Step S109:Battery management system controls bidirectional, dc discharge and recharge stake to charge for battery bag;
Charge relay closes, and battery management system controls bidirectional, dc discharge and recharge stake to charge for battery bag.
Described discharge operation includes:
Step S110:Battery management system is attached with bidirectional, dc discharge and recharge stake;
Described battery management system is attached with bidirectional, dc discharge and recharge stake after receiving the signal that request is charged.
Step S111:Bidirectional, dc discharge and recharge stake configures discharge parameter, and sends described electric discharge ginseng to battery management system Number;
After successful connection, described bidirectional, dc discharge and recharge stake configures discharge parameter, such as time synchronized parameter and bidirectional, dc Discharge and recharge stake maximum output ability parameter, and send described charge parameter to described battery management system.
Step S112:Battery management system judges bidirectional, dc discharge and recharge stake, and whether state is normal, if normally, enters step S113;
Described battery management system judges described bidirectional, dc discharge and recharge stake whether shape according to the described charge parameter receiving State is normal, thus deciding whether to be discharged by described bidirectional, dc discharge and recharge stake.
Step S113:Battery management system sends to bidirectional, dc charge-discharge system and receives successful information;
Step S114:Bidirectional, dc charge-discharge system sends electric discharge request to battery management system;
Described bidirectional, dc charge-discharge system sends to described battery management system after receiving described reception successful information and puts Electricity request.
Step S115:Battery management system controls battery bag to discharge to bidirectional, dc discharge and recharge stake.
Electric discharge relay closure, battery management system controls battery bag to discharge to bidirectional, dc discharge and recharge stake.
The automobile charge/discharge control method that application the present embodiment provides, selects when user needs for automobile storing electricity to fill Power mode, when user need to power for other electrical equipments using automobile power be select discharge mode, entire car controller according to Charge or discharge Schema control battery management system, described battery management system is according to specific charge or discharge mode control electricity Interacting between Chi Bao and bidirectional, dc discharge and recharge stake, under charge mode, described battery management system controls described bidirectional, dc Discharge and recharge stake is charged to described battery bag, is automobile storing electricity;Under discharge mode, described battery management system controls described electricity Chi Bao discharges to described bidirectional, dc discharge and recharge stake, then is powered for electrical network by bidirectional, dc discharge and recharge stake, and electrical equipment is from electricity Net obtains electricity, realizes the power supply to other electrical equipments for the automobile.Through transformator between bidirectional, dc discharge and recharge stake and electrical network Transformation carries out electricity interaction it is achieved that direct discharge and recharge between automobile and electrical network, makes automobile can store sufficient electricity and is General electrical equipment is powered.
As shown in fig. 6, being the still another embodiment flow chart of automobile charge/discharge control method of the present invention, DC charging bag Include following steps:
A1. charge/discharge operation mode select and car load high pressure on electricity
Configure the charge mode of charge or discharge by mobile terminal or integrated audio-video system, user needs for automobile Charge mode is selected during storing electricity.After selecting good model, direct current charge-discharge rifle inserts, and detection charge and discharge is electrically connected with effect, operation Personnel are provided with, closed low output switch.Rigid line wakes up entire car controller, electric current journey in entrance;Entire car controller is to electricity Pond management system sends and allows charge mode request signal, completes electricity on high pressure;
A2. DC charging parameter setting
Battery management system starts to be communicated with bidirectional, dc discharge and recharge stake.
First step battery management system judges whether to shake hands successfully with bidirectional, dc discharge and recharge stake, enters second step after success Judge;
Second step bidirectional, dc discharge and recharge stake configures charge parameter, and sends time synchronized and charge and discharge to battery management system Electric stake maximum output ability parameter, battery management system judges whether time of receipt (T of R) synchronization and discharge and recharge stake maximum output energy Radix Talini Paniculati Number signal, if receive entrance the 3rd step judge;
3rd step bidirectional, dc discharge and recharge stake sends charge requirement to battery management system, and battery management system judges whether Meet charged state, judge whether charge relay closes, if closure, enter DC charging process;
A3. start DC charging
Battery management system controls closure charge and discharge electrical relay, and sends charge and discharge electrical relay pass to other entire car controller 1 Closed state;
Carry out normal DC charging work, battery management system is simultaneously sent out to entire car controller 1 and bidirectional, dc discharge and recharge stake The battery status informations such as power transmission cell voltage, temperature, SOC information;
Entire car controller judges whether to close charge and discharge electrical relay according to the information above that battery management system sends successively Time-out, whether there is forbidding the fault that charges, and by failed storage;
Battery management system receives discharge and recharge stake and terminates charging message, charges and terminates and disconnect charge and discharge electrical relay, to Entire car controller sends charging and terminates, terminates or failure information;
Entire car controller judges to terminate DC charging;
A4. descend electric current journey
Electricity under entire car controller high pressure, electricity under low pressure.
Direct-current discharge comprises the following steps:
B1. charge/discharge operation mode select and car load high pressure on electricity
Configure the charge mode of charge or discharge by mobile terminal or integrated audio-video system, when needing to utilize automobile Discharge mode is selected for electrical equipment when powering.Direct current charge-discharge rifle inserts, and detection charge and discharge is electrically connected with effect, and operator are arranged Complete, closed low output switch.Rigid line wakes up entire car controller, electric current journey in entrance;Entire car controller is to battery management system System sends and allows discharge mode request signal, completes electricity on high pressure;
B2. direct-current discharge parameter setting
Battery management system starts to be communicated with bidirectional, dc discharge and recharge stake.
First step battery management system judges whether to shake hands successfully with bidirectional, dc discharge and recharge stake, enters second step after success Judge;
Second step bidirectional, dc discharge and recharge stake configures discharge parameter, and sends time synchronized and charge and discharge to battery management system Electric stake maximum output ability parameter, battery management system judges whether time of receipt (T of R) synchronization and discharge and recharge stake maximum output energy Radix Talini Paniculati Number signal, if receive entrance the 3rd step judge;
3rd step bidirectional, dc discharge and recharge stake sends electric discharge demand to battery management system, and battery management system judges whether Meet discharge condition, judge whether electric discharge relay closes, if closure, enter direct-current discharge process;
B3. start direct-current discharge
Battery management system controls closure charge and discharge electrical relay, and sends discharge and recharge cut-off to other entire car controller State;
Carry out normal DC electric discharge work, battery management system simultaneously sends to entire car controller and bidirectional, dc discharge and recharge stake The battery status informations such as cell voltage, temperature, SOC information;
Entire car controller judges whether to close charge and discharge electrical relay according to the information above that battery management system sends successively Time-out, whether there is forbidding the fault discharged, and by failed storage;
Battery management system receives discharge and recharge stake and terminates electric discharge message, and electric discharge terminates and disconnects charge and discharge electrical relay, to Entire car controller sends electric discharge and terminates, terminates or failure information;
Entire car controller judges to terminate direct-current discharge;
B4. descend electric current journey
Electricity under entire car controller high pressure, electricity under low pressure.
It should be noted that each specific embodiment in this specification is all described by the way of going forward one by one, each enforcement What example stressed is all difference with other embodiment, between each embodiment identical similar partly mutually referring to i.e. Can.
Finally in addition it is also necessary to explanation, term " inclusion ", "comprising" or its any other variant are intended to non-exclusive Property comprise so that including a series of process of key elements, method, article or equipment not only include those key elements, and Also include other key elements being not expressly set out, or also include intrinsic for this process, method, article or equipment Key element.In the absence of more restrictions, the key element that limited by sentence "including a ..." it is not excluded that include described Also there is other identical element in the process of key element, method, article or equipment.
Above system and method provided by the present invention is described in detail, specific case used herein is to this The principle of invention and embodiment are set forth, the explanation of above example be only intended to help understand the method for the present invention and Its core concept;Simultaneously for one of ordinary skill in the art, according to the thought of the present invention, in specific embodiment and should With all will change in scope, in sum, this specification content should not be construed as limitation of the present invention.

Claims (10)

1. a kind of automobile charge-discharge control system is it is characterised in that include:
Vehicle terminal system and charging pile terminal system;
Described vehicle terminal system includes:Entire car controller, battery management system and battery bag;
Described charging pile terminal system includes:Bidirectional, dc discharge and recharge stake and transformator;
Described entire car controller is used for controlling described battery management system to hold when sending charging signals to described battery management system Row charging operations, control described battery management system execution discharge operation when sending discharge signal to described battery management system;
Described battery management system is connected with described entire car controller, for receiving filling of described entire car controller transmission Connect with described bidirectional, dc discharge and recharge stake after the signal of telecommunication, control described bidirectional, dc discharge and recharge stake to charge to described battery bag, Connect with described bidirectional, dc discharge and recharge stake in the discharge signal receiving described entire car controller transmission, control described battery bag To described bidirectional, dc discharge and recharge stake electric discharge;
Described battery bag is connected with described battery management system, under charge mode from described bidirectional, dc discharge and recharge stake Charge, discharge to described bidirectional, dc discharge and recharge stake under discharge mode;
Described bidirectional, dc discharge and recharge stake is connected with described battery management system and described battery bag, under charge mode Configuration charge parameter, and send described charge parameter to described battery management system, described battery management system is according to receiving Described charge parameter judge described bidirectional, dc discharge and recharge stake state be normal, if normally, fill to described bidirectional, dc Discharge system sends and receives successful information, and described bidirectional, dc charge-discharge system receives described reception successful information described electricity backward Pond management system sends charge request and charges for described battery bag, configures discharge parameter under discharge mode, and to described electricity Pond management system sends described discharge parameter, and described battery management system judges described two-way according to the described charge parameter receiving Whether state is normal for direct current charge-discharge stake, if normally, sends to described bidirectional, dc charge-discharge system and receives successful information, institute State after bidirectional, dc charge-discharge system receives described reception successful information and ask and connect to the transmission electric discharge of described battery management system Receive the electric discharge of described battery bag;
Described transformator is connected with described bidirectional, dc discharge and recharge stake, for the alternating current of electrical network is changed into unidirectional current supply Described bidirectional, dc discharge and recharge stake and/or by the unidirectional current of bidirectional, dc discharge and recharge stake be changed into alternating current supply electrical network.
2. system according to claim 1 is it is characterised in that described vehicle terminal system also includes:
Integrated audio-video system and mobile terminal;
Described integrated audio-video system is connected with described entire car controller, and the charge or discharge for receiving mobile terminal instruct, Display charging and discharging state information, arranges charge and discharge electrical operating parameter and sends car status information to mobile terminal;
Described mobile terminal is connected with described integrated audio-video system, for described integrated audio-video system send charging instruction or Car status information and control car load discharge and recharge that electric discharge instruction, display receive.
3. a kind of automobile charge/discharge control method it is characterised in that be used for automobile charge-discharge control system,
Methods described includes:
Start entire car controller, judge the signal type that described entire car controller sends to battery management system, if described signal Type is the signal that request is charged, then execute charging operations, if described signal type is the signal of request electric discharge, execute electric discharge Operation;
Described charging operations include:
Described battery management system is attached with bidirectional, dc discharge and recharge stake after receiving the signal that request is charged;
After successful connection, described bidirectional, dc discharge and recharge stake configures charge parameter, and fills to described in the transmission of described battery management system Electrical quantity;
Described battery management system judges described bidirectional, dc discharge and recharge stake according to the described charge parameter receiving, and state is being just Often, if normally, send to described bidirectional, dc charge-discharge system and receive successful information, described bidirectional, dc charge-discharge system is received Send charge request to described battery management system to after described reception successful information;
It is that described battery bag charges that described battery management system controls described bidirectional, dc discharge and recharge stake;
Described discharge operation includes:
Described battery management system is attached with bidirectional, dc discharge and recharge stake after receiving the signal that request is discharged;
After successful connection, described bidirectional, dc discharge and recharge stake configures discharge parameter, and puts to described in the transmission of described battery management system Electrical quantity;
Described battery management system judges described bidirectional, dc discharge and recharge stake according to the described charge parameter receiving, and state is being just Often, if normally, send to described bidirectional, dc charge-discharge system and receive successful information, described bidirectional, dc charge-discharge system is received Send electric discharge request to described battery management system to after described reception successful information;
Described battery management system controls described battery bag to discharge to described bidirectional, dc discharge and recharge stake.
4. method according to claim 3 is it is characterised in that described entire car controller also includes before starting:
Charge or discharge instruction is sent to integrated audio-video system by mobile terminal, and described integrated audio-video system is according to filling of receiving Electricity or electric discharge instruction send corresponding charge or discharge operational parameter signals to described entire car controller.
5. method according to claim 3 is it is characterised in that described entire car controller also includes after starting:
Electricity in described entire car controller low pressure first, electricity on high pressure again after electricity in low pressure.
6. method according to claim 3 is it is characterised in that described bidirectional, dc discharge and recharge stake is described battery bag charging Also include afterwards:
Described battery management system receives after described bidirectional, dc discharge and recharge stake stops the signal charging and disconnects and described battery The connection of bag, and send, to described entire car controller, the signal terminating that charges;
Described entire car controller receives electricity under first high pressure after the described signal charging and terminating, then electricity under low pressure.
7. method according to claim 3 is it is characterised in that described battery bag is discharged to described bidirectional, dc discharge and recharge stake Also include afterwards:
Described battery management system receives after described bidirectional, dc discharge and recharge stake stops the signal discharging and disconnects and described battery The connection of bag, and send, to described entire car controller, the signal that electric discharge terminates;
Described entire car controller receives electricity under first high pressure after the signal that described electric discharge terminates, then electricity under low pressure.
8. method according to claim 3 is it is characterised in that also include:
Described bidirectional, dc discharge and recharge stake is battery management system described in described battery bag charging process to described full-vehicle control Device sends battery status information;
Described entire car controller judges whether to break down according to the battery status information receiving, if breaking down, by fault Storage.
9. method according to claim 3 is it is characterised in that also include:
Described battery bag is to battery management system described in described bidirectional, dc discharge and recharge stake discharge process to described full-vehicle control Device sends battery status information;
Described entire car controller judges whether to break down according to the battery status information receiving, if breaking down, by fault Storage.
10. method according to claim 3 is it is characterised in that also include:
Integrated audio-video system shows to the state of discharge and recharge, battery status information and fault message, and described information is sent out Deliver to mobile terminal.
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