CN104410138A - Automobile charging and discharging control system and method - Google Patents
Automobile charging and discharging control system and method Download PDFInfo
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- CN104410138A CN104410138A CN201410679623.6A CN201410679623A CN104410138A CN 104410138 A CN104410138 A CN 104410138A CN 201410679623 A CN201410679623 A CN 201410679623A CN 104410138 A CN104410138 A CN 104410138A
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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
Technical field
The present invention relates to electric control field, particularly relate to a kind of automobile charge-discharge control system and method.
Background technology
Along with expanding economy, automobile is more and more universal in daily life, automobile engine is that the power consumption equipment in automobile is powered, as room light lamp, have also appeared a large amount of mobile units to be used in car by the power supply of automobile, mobile unit refers to the product that can use on automobile or similar tool movement, as common vehicle mounted MP 3, MP4, GPS and vehicle-carrying DVD etc., also have 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 video recording machine etc.
Mobile unit through particular design, generally by vehicle-mounted cigarette lighter come to power supply, the electricity of needs is less, general power consumption equipment power consumption is comparatively large, and automobile is charged by engine, and charge capacity is inadequate, deposit electricity less, can not power for general power consumption equipment.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of automobile charge-discharge control system and method, can realize the 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, comprising:
Vehicle terminal system and charging pile terminal system;
Described vehicle terminal system comprises: entire car controller, battery management system and power brick;
Described charging pile terminal system comprises: bidirectional, dc discharge and recharge stake and transformer;
Described entire car controller is used for controlling described battery management system when described battery management system sends charging signals and performs charging operations, controls described battery management system and perform discharge operation when described battery management system sends discharge signal;
Described battery management system is connected with described entire car controller, for being communicated with described bidirectional, dc discharge and recharge stake after the charging signals receiving the transmission of described entire car controller, control described bidirectional, dc discharge and recharge stake to charge to described power brick, be communicated with described bidirectional, dc discharge and recharge stake at the discharge signal receiving the transmission of described entire car controller, control described power brick and discharge to described bidirectional, dc discharge and recharge stake;
Described power brick is connected with described battery management system, for charging from described bidirectional, dc discharge and recharge stake under charge mode, to described bidirectional, dc discharge and recharge stake electric discharge under discharge mode;
Described bidirectional, dc discharge and recharge stake is connected with described power brick with described battery management system, for configuring charge parameter under charge mode, sending charge request to described battery manager is also the charging of described power brick, under discharge mode, configure discharge parameter, send electric discharge to described battery manager and ask and the electric discharge receiving described power brick;
Described transformer is connected with described bidirectional, dc discharge and recharge stake, supplies described bidirectional, dc discharge and recharge stake for the alternating current of electrical network being changed into direct current and/or the direct current of bidirectional, dc discharge and recharge stake is changed into alternating current supply electrical network.
Preferably, described vehicle terminal system also comprises:
Integrated audio-video system and mobile terminal;
Described integrated audio-video system is connected with described entire car controller, and for the charge or discharge instruction of mobile terminal receive, display charging and discharging state information, arranges discharge and recharge operating parameter and send car status information to mobile terminal;
Described mobile terminal is connected with described integrated audio-video system, for sending charging instruction or electric discharge instruction to described integrated audio-video system, showing the car status information and the discharge and recharge of control car load that receive.
Present invention also offers a kind of automobile charge/discharge control method, for automobile charge-discharge control system,
Described method comprises:
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 of request charging, then perform charging operations, if described signal type is the signal of request electric discharge, then perform discharge operation;
Described charging operations comprises:
Described battery management system is connected with bidirectional, dc discharge and recharge stake after receiving the signal of request charging;
Described bidirectional, dc discharge and recharge stake configuration charge parameter after successful connection, and send described charge parameter to described battery management system;
Described battery management system judges described bidirectional, dc discharge and recharge stake according to the described charge parameter received, and whether state is normal, if normal, then to described bidirectional, dc charge-discharge system transmission and reception successful information, described bidirectional, dc charge-discharge system sends charge request to described battery management system after receiving described reception successful information;
It is the charging of described power brick that described battery management system controls described bidirectional, dc discharge and recharge stake;
Described discharge operation comprises:
Described battery management system is connected with bidirectional, dc discharge and recharge stake after receiving the signal of request electric discharge;
Described bidirectional, dc discharge and recharge stake configuration discharge parameter after successful connection, and send described discharge parameter to described battery management system;
Described battery management system judges described bidirectional, dc discharge and recharge stake according to receiving charge parameter described in Russia whether state is normal, if normal, then to described bidirectional, dc charge-discharge system transmission and reception successful information, after described bidirectional, dc charge-discharge system receives described reception successful information, send electric discharge request to described battery management system;
Described battery management system controls described power brick and discharges to described bidirectional, dc discharge and recharge stake.
Preferably, described entire car controller also comprises before starting:
Charge or discharge instruction is sent to described integrated audio-video system by mobile terminal, and described integrated audio-video system sends corresponding charge or discharge operational parameter signals according to the charge or discharge instruction received to described entire car controller.
Preferably, described entire car controller also comprises after starting:
Described entire car controller first low pressure powers on, and after low pressure powers on, high pressure powers on again.
Preferably, described bidirectional, dc discharge and recharge stake is also comprise after the charging of described power brick:
Described battery management system receives after described bidirectional, dc discharge and recharge stake stops the signal of charging and disconnects the connection with described power brick, and to the signal that described entire car controller transmission charging terminates;
Described entire car controller to receive after the signal that described charging terminates electricity under first high pressure, then electricity under low pressure.
Preferably, described power brick also comprises after described bidirectional, dc discharge and recharge stake electric discharge:
Described battery management system receives after described bidirectional, dc discharge and recharge stake stops the signal of electric discharge and disconnects the connection with described power brick, and to the signal that described entire car controller transmission electric discharge terminates;
Described entire car controller to receive after the signal that described electric discharge terminates electricity under first high pressure, then electricity under low pressure.
Preferably, described method also comprises:
Described bidirectional, dc discharge and recharge stake is for battery management system described in described power brick charging process is to described entire car controller transmission battery status information;
Described entire car controller judges whether to break down according to the battery status information received, if break down, fault is stored.
Preferably, described method also comprises:
Described power brick sends battery status information to battery management system described in described bidirectional, dc discharge and recharge stake discharge process to described entire car controller;
Described entire car controller judges whether to break down according to the battery status information received, if break down, fault is stored.
Preferably, described method also comprises:
Described integrated audio-video system shows the state of discharge and recharge, battery status information and fault message, and described information is sent to mobile terminal.
Automobile charge-discharge control system provided by the invention and method, entire car controller is according to charge or discharge Schema control battery management system, mutual according between concrete charge or discharge mode control power brick and bidirectional, dc discharge and recharge stake of described battery management system, under charge mode, described battery management system controls described bidirectional, dc discharge and recharge stake and charges to described power brick, bidirectional, dc discharge and recharge stake is powered by the transformation of electrical network through transformer, under discharge mode, described battery management system controls described power brick and discharges to described bidirectional, dc discharge and recharge stake, bidirectional, dc discharge and recharge stake is powered to electrical network transformation through transformer, apply automobile charge/discharge control method provided by the invention, achieve direct discharge and recharge between automobile and electrical network, the two-way interactive that can realize power grid electric and battery of electric vehicle electricity according to the demand of user controls, and discharge and recharge flow process is simple, the fast charging and discharging between automobile and electrical network can be realized.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of a kind of automobile charge-discharge control system of the present invention;
Fig. 2 is the structural representation of a kind of automobile charge-discharge control system one of the present invention specific embodiment;
Fig. 3 is the parameter list of automobile charge-discharge control system of the present invention;
Fig. 4 is the circuit diagram of a kind of automobile charge-discharge control system one of the present invention specific embodiment;
Fig. 5 is the flow chart of a kind of automobile charge/discharge control method of the present invention;
Fig. 6 is the flow chart of a kind of automobile charge/discharge control method one of the present invention specific embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, be the structural representation of a kind of automobile charge-discharge control system provided by the invention, it is characterized in that, comprising:
Vehicle terminal system and charging pile terminal system;
Described vehicle terminal system comprises: entire car controller 101, battery management system 102 and power brick 103;
Described charging pile terminal system comprises: bidirectional, dc discharge and recharge stake 104 and transformer 105;
Described entire car controller 101 performs charging operations for controlling described battery management system 102 when described battery management system 102 sends charging signals, controls described battery management system 102 and perform discharge operation when described battery management system 102 sends discharge signal;
Described battery management system 102 is connected with described entire car controller 101, for being communicated with described bidirectional, dc discharge and recharge stake 104 after the charging signals receiving the transmission of described entire car controller 101, control described bidirectional, dc discharge and recharge stake 104 to charge to described power brick 103, be communicated with described bidirectional, dc discharge and recharge stake 104 at the discharge signal receiving the transmission of described entire car controller 101, control described power brick 103 and discharge to described bidirectional, dc discharge and recharge stake 104;
Described power brick 103 is connected with described battery management system 102, for charging from described bidirectional, dc discharge and recharge stake 104 under charge mode, discharges under discharge mode to described bidirectional, dc discharge and recharge stake 104;
Described bidirectional, dc discharge and recharge stake 104 is connected with described power brick 103 with described battery management system 102, for configuring charge parameter under charge mode, send charge request to described battery manager and charge for described power brick 103, under discharge mode, configure discharge parameter, send electric discharge to described battery manager and ask and the electric discharge receiving described power brick 103;
Described transformer 105 is connected with described bidirectional, dc discharge and recharge stake 104, supplies described bidirectional, dc discharge and recharge stake 104 for the alternating current of electrical network being changed into direct current.
Described transformer 105 is connected with described bidirectional, dc discharge and recharge stake 104, supplies described bidirectional, dc discharge and recharge stake 104 for the alternating current of electrical network being changed into direct current and/or the direct current of bidirectional, dc discharge and recharge stake 104 is changed into alternating current supply electrical network.
Automobile charge-discharge control system provided by the invention, the connected mode between each several part can be: described entire car controller is connected with battery management system, integrated audio-video system respectively by CAN line, and described battery management system is connected with power brick by CAN line.When user needs for selecting charge mode during vehicle charging, when user need to utilize automobile power be other power consumption equipments power time select discharge mode, entire car controller is according to charge or discharge Schema control battery management system, mutual according between concrete charge or discharge mode control power brick and bidirectional, dc discharge and recharge stake of described battery management system, under charge mode, described battery management system controls described bidirectional, dc discharge and recharge stake and charges to described power brick, is automobile storage reserve of electricity; Under discharge mode, described battery management system controls described power brick and discharges to described bidirectional, dc discharge and recharge stake, then by bidirectional, dc discharge and recharge stake for other power consumption equipments are powered, realizes the power supply of automobile to other power consumption equipments.Carry out electricity alternately through transformer transformation between bidirectional, dc discharge and recharge stake and electrical network, achieve direct discharge and recharge between automobile and electrical network, making automobile can store sufficient electricity is that general power consumption equipment is powered.
As shown in Figure 2, be the structural representation of automobile charge-discharge control system one specific embodiment of the present invention, corresponding to Fig. 1, also comprise:
Integrated audio-video system 106 and mobile terminal 107;
Described integrated audio-video system 106 is connected with described entire car controller 101, and for the charge or discharge instruction of mobile terminal receive 107, display charging and discharging state information, arranges discharge and recharge operating parameter and send car status information to mobile terminal 107;
Described mobile terminal 107 is connected with described integrated audio-video system 106, for sending charging instruction or electric discharge instruction to described integrated audio-video system 106, showing the car status information and the discharge and recharge of control car load that receive.
The embodiment of the present invention is based on V2G technology, i.e. Vehicle to Grid technology, electric automobile is namely made to realize under slave mode and the direct two-way interaction of electrical network and exchange, described mobile terminal and integrated audio-video system wireless coupling, client by mobile terminal as mobile phone remote send to vehicle charging or electric discharge instruction to integrated audio-video system, also by arranging integrated audio-video system in car, discharge and recharge information can be sent to entire car controller.
Also can set up intelligent electric meter between described bidirectional, dc discharge and recharge stake and transformer, can voltage status be shown and voltage is regulated.
As shown in Figure 3, for parameter and the basic function of entire car controller, battery management system, integrated audio-video system, power brick, bidirectional, dc discharge and recharge stake and mobile terminal, mobile terminal is for user mobile phone, and bidirectional, dc discharge and recharge stake can realize carrying fast more than the electric power of 60kW power.
As shown in Figure 4, for the specific embodiment circuit diagram of automobile charge-discharge control system of the present invention, vehicle end is connected by vehicle interface with charging pile end, vehicle interface comprises vehicle plug and vehicle socket, this embodiment control pilot circuit is the DC charging control pilot circuit in GB/T20234.3-2011, this control pilot circuit comprises non-Vehicular charger control device (i.e. bidirectional, dc discharge and recharge stake control section), contactor K1, contactor K2, low pressure subsidiary loop relay K 3 and K4, direct current power supply loop contactor K5 and K6, resistance R1, resistance R2, resistance R3, resistance R4, resistance R5, switch S, electronic lock, power brick and battery management system.Resistance R2 and R3 is arranged on vehicle plug, and resistance R4 is arranged on vehicle socket.Wherein, the tie point of the CC1 (discharge and recharge be connected confirm) of non-Vehicular charger control device and vehicle plug is test point 1; The tie point of the CC2 of battery management system 8 and vehicle socket (discharge and recharge be connected confirm) is test point 2; Switch S is the inside normally closed switch of vehicle plug, and after vehicle plug is connected completely with vehicle socket, switch S closes.In whole charge and discharge process, non-Vehicular charger control device should be able to detect contactor K1, K2, and relay K 3, K4 and electronic lock state also control its connection and turn off.Battery management system should be able to detect contactor K5 and K6 state and control it and connect and turn off.This control guidance circuit has following basic function:
1) vehicle plug and vehicle socket plug together
Vehicle plug and vehicle socket are plugged together, detect that vehicle plug plugs together by entire car controller, by control algolithm, vehicle being in can not transport condition.
2) discharge and recharge man-machine interaction is arranged
To the magnitude of voltage that test point 1 measured by non-Vehicular charger control device, operating personnel judge whether vehicle plug is connected completely with vehicle socket, if test point 1 magnitude of voltage is 4V, then judge that vehicle interface connects completely.When after operating personnel are provided with discharge and recharge stake man-machine interaction and after bidirectional, dc discharge and recharge stake judges that vehicle interface connects completely, bidirectional, dc discharge and recharge stake controls electronic lock locking.Whole charge and discharge process only just can unlock electronic lock after having operating personnel to arrange discharge and recharge instruction to bidirectional, dc discharge and recharge stake.
3) bidirectional, dc discharge and recharge stake self-inspection
After vehicle interface connects completely, as bidirectional, dc discharge and recharge stake completes self-inspection, then closed contactor K3 and K4, makes the loop conducting of low pressure auxiliary power supply, and the cycle that simultaneously starts sends " discharge and recharge stake identification message ".
4) discharge and recharge prepares
After battery management system and bidirectional, dc discharge and recharge stake control device are completed and are shaken hands by communication and configure, battery management system closes contactor K5 and K6, make charging and discharging circuit conducting, non-Vehicular charger control device closes contactor K1 and K2, makes direct current power supply loop conducting.
5) discharge and recharge is performed
In the whole discharge and recharge stage, battery management system controls whole charge and discharge process by sending battery charging and discharging level demand in real time to non-vehicle-mounted charge stake control device.Bidirectional, dc discharge and recharge stake adjusts charging/discharging voltage and charging and discharging currents to guarantee that charge and discharge process normally carries out according to battery charging and discharging level demand, and in addition, battery management system and non-vehicle-mounted charge stake control device send respective state information mutually.
6) discharge and recharge terminates
Whether battery management system receives " discharge and recharge stake stops discharge and recharge message " according to battery system judges whether to terminate discharge and recharge.When discharge and recharge reaches termination condition, the battery management system cycle that starts sends " battery management system stops discharge and recharge message ", disconnects contactor K5 and K6 after 1s.After reaching the discharge and recharge termination condition of operating personnel's setting or receiving " battery management system termination discharge and recharge message ", the non-Vehicular charger control device cycle that starts sends " discharge and recharge stake stops discharge and recharge message ", and control bidirectional, dc discharge and recharge stake stopping discharge and recharge, disconnect contactor K1 and K2 afterwards.When operating personnel implement stopping discharge and recharge instruction, the non-vehicle-mounted charge stake control device cycle that starts sends " discharge and recharge stake stops discharge and recharge message ", and control bidirectional, dc discharge and recharge stake stopping discharge and recharge, disconnect contactor K1 ~ K4 afterwards, then electronic lock unlocks.
As shown in Figure 5, be the flow chart of automobile charge/discharge control method of the present invention, comprise:
Step S101: start entire car controller;
Step S102: whether what judge that entire car controller sends to battery management system is the signal of request charging, if so, performs charging operations, if fruit is no, performs step S103;
If battery management system judges charge request signal, then to perform charging operations by the signal type that entire car controller sends.
Step S103: whether what judge that entire car controller sends to battery management system is the signal of request electric discharge, if so, performs discharge operation;
Battery management system judges the signal type that entire car controller sends, if electric discharge request signal, then performs discharge operation.
Described charging operations comprises:
Step S104: battery management system is connected with bidirectional, dc discharge and recharge stake;
Described battery management system is connected with bidirectional, dc discharge and recharge stake after receiving the signal of request charging.
Step S105: bidirectional, dc discharge and recharge stake configuration charge parameter, and send described charge parameter to battery management system;
Described bidirectional, dc discharge and recharge stake configuration charge parameter after successful connection, the maximum fan-out capability parameter of such as time synchronized parameter and bidirectional, dc discharge and recharge stake, and send described charge parameter to described battery management system.
Step S106: whether state is normal to judge to judge bidirectional, dc discharge and recharge stake by battery management system, if normally, enters step S107;
Described battery management system judges described bidirectional, dc discharge and recharge stake according to the described charge parameter received, and whether state is normal, thus determines whether charged by described bidirectional, dc discharge and recharge stake.
Step S107: battery management system is to bidirectional, dc charge-discharge system transmission and reception successful information;
Step S108: bidirectional, dc charge-discharge system sends charge request to battery management system;
Described bidirectional, dc charge-discharge system sends charge request to described battery management system after receiving described reception successful information.
Step S109: it is power brick charging that battery management system controls bidirectional, dc discharge and recharge stake;
Charge relay closes, and it is power brick charging that battery management system controls bidirectional, dc discharge and recharge stake.
Described discharge operation comprises:
Step S110: battery management system is connected with bidirectional, dc discharge and recharge stake;
Described battery management system is connected with bidirectional, dc discharge and recharge stake after receiving the signal of request charging.
Step S111: bidirectional, dc discharge and recharge stake configuration discharge parameter, and send described discharge parameter to battery management system;
Described bidirectional, dc discharge and recharge stake configuration discharge parameter after successful connection, the maximum fan-out capability parameter of such as time synchronized parameter and bidirectional, dc discharge and recharge stake, 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 according to the described charge parameter received, and whether state is normal, thus determines whether discharged by described bidirectional, dc discharge and recharge stake.
Step S113: battery management system is to bidirectional, dc charge-discharge system transmission and reception successful information;
Step S114: bidirectional, dc charge-discharge system sends electric discharge request to battery management system;
Electric discharge request is sent to described battery management system after described bidirectional, dc charge-discharge system receives described reception successful information.
Step S115: battery management system controls power brick and discharges to bidirectional, dc discharge and recharge stake.
Electric discharge relay closes, battery management system controls power brick and discharges to bidirectional, dc discharge and recharge stake.
The automobile charge/discharge control method that application the present embodiment provides, when user needs for selecting charge mode during automobile storage reserve of electricity, select discharge mode when user needs to utilize automobile power to be that other power consumption equipments power, entire car controller is according to charge or discharge Schema control battery management system, mutual according between concrete charge or discharge mode control power brick and bidirectional, dc discharge and recharge stake of described battery management system, under charge mode, described battery management system controls described bidirectional, dc discharge and recharge stake and charges to described power brick, is automobile storage reserve of electricity; Under discharge mode, described battery management system controls described power brick and discharges to described bidirectional, dc discharge and recharge stake, then is mains supply by bidirectional, dc discharge and recharge stake, and power consumption equipment obtains electricity from electrical network, realizes the power supply of automobile to other power consumption equipments.Carry out electricity alternately through transformer transformation between bidirectional, dc discharge and recharge stake and electrical network, achieve direct discharge and recharge between automobile and electrical network, making automobile can store sufficient electricity is that general power consumption equipment is powered.
As shown in Figure 6, be the another specific embodiment flow chart of automobile charge/discharge control method of the present invention, DC charging comprises the following steps:
A1. charge/discharge operation mode selection and car load high pressure power on
By the charge mode that mobile terminal or the configuration of integrated audio-video system are charged or discharged, user needs for selecting charge mode during automobile storage reserve of electricity.After choosing pattern, direct current charge-discharge rifle inserts, and detect discharge and recharge and connect effectively, operating personnel are provided with, closed low output switch.Rigid line wakes entire car controller up, enters the flow process that powers on; Entire car controller sends to battery management system and allows charge mode request signal, completes high pressure and powers on;
A2. DC charging optimum configurations
Battery management system starts to carry out communication 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 and judge after success;
Second step bidirectional, dc discharge and recharge stake configuration charge parameter, and to battery management system transmitting time the synchronous and maximum fan-out capability parameter of discharge and recharge stake, battery management system judges whether the time of receipt (T of R) synchronous and maximum fan-out capability parameter signal of discharge and recharge stake, enters the 3rd step judgement if receive;
3rd step bidirectional, dc discharge and recharge stake sends charge requirement to battery management system, and battery management system judges whether to meet charged state, judges whether charge relay closes, if closed, enters DC charging process;
A3. DC charging is started
Battery management system controls closed discharge and recharge relay, and sends discharge and recharge cut-off state to other entire car controller 1;
Carry out normal DC charging work, battery management system also sends the battery status informations such as cell voltage, temperature, SOC information to entire car controller 1 and bidirectional, dc discharge and recharge stake;
Entire car controller judges whether closed discharge and recharge relay time-out successively according to the above information that battery management system sends, whether occurs forbidding the fault of charging, and by failed storage;
Battery management system receives discharge and recharge stake and stops charging message, and charging terminates and disconnects discharge and recharge relay, sends charging terminate, stop or failure information to entire car controller;
Entire car controller judges to terminate DC charging;
A4. electric current journey is descended
Electricity under entire car controller high pressure, electricity under low pressure.
Direct-current discharge comprises the following steps:
B1. charge/discharge operation mode selection and car load high pressure power on
By the charge mode that mobile terminal or the configuration of integrated audio-video system are charged or discharged, when needs utilize automobile for selecting discharge mode when power consumption equipment is powered.Direct current charge-discharge rifle inserts, and detect discharge and recharge and connect effectively, operating personnel are provided with, closed low output switch.Rigid line wakes entire car controller up, enters the flow process that powers on; Entire car controller sends to battery management system and allows discharge mode request signal, completes high pressure and powers on;
B2. direct-current discharge optimum configurations
Battery management system starts to carry out communication 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 and judge after success;
Second step bidirectional, dc discharge and recharge stake configuration discharge parameter, and to battery management system transmitting time the synchronous and maximum fan-out capability parameter of discharge and recharge stake, battery management system judges whether the time of receipt (T of R) synchronous and maximum fan-out capability parameter signal of discharge and recharge stake, enters the 3rd step judgement if receive;
3rd step bidirectional, dc discharge and recharge stake sends electric discharge demand to battery management system, and battery management system judges whether to meet discharge condition, judges whether electric discharge relay closes, if closed, enters direct-current discharge process;
B3. direct-current discharge is started
Battery management system controls closed discharge and recharge relay, and sends discharge and recharge cut-off state to other entire car controller;
Carry out normal DC electric discharge work, battery management system also sends the battery status informations such as cell voltage, temperature, SOC information to entire car controller and bidirectional, dc discharge and recharge stake;
Entire car controller judges whether closed discharge and recharge relay time-out successively according to the above information that battery management system sends, whether occurs forbidding the fault of electric discharge, and by failed storage;
Battery management system receives discharge and recharge stake and stops electric discharge message, and electric discharge terminates and disconnects discharge and recharge relay, sends electric discharge terminate, stop or failure information to entire car controller;
Entire car controller judges to terminate direct-current discharge;
B4. electric current journey is descended
Electricity under entire car controller high pressure, electricity under low pressure.
It should be noted that, each specific embodiment in this specification all adopts the mode of going forward one by one to describe, and what each embodiment stressed is the difference with other embodiments, between each embodiment identical similar part mutually see.
Finally, also it should be noted that, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Be described in detail system and method provided by the present invention above, apply specific case herein and set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (10)
1. an automobile charge-discharge control system, is characterized in that, comprising:
Vehicle terminal system and charging pile terminal system;
Described vehicle terminal system comprises: entire car controller, battery management system and power brick;
Described charging pile terminal system comprises: bidirectional, dc discharge and recharge stake and transformer;
Described entire car controller is used for controlling described battery management system when described battery management system sends charging signals and performs charging operations, controls described battery management system and perform discharge operation when described battery management system sends discharge signal;
Described battery management system is connected with described entire car controller, for being communicated with described bidirectional, dc discharge and recharge stake after the charging signals receiving the transmission of described entire car controller, control described bidirectional, dc discharge and recharge stake to charge to described power brick, be communicated with described bidirectional, dc discharge and recharge stake at the discharge signal receiving the transmission of described entire car controller, control described power brick and discharge to described bidirectional, dc discharge and recharge stake;
Described power brick is connected with described battery management system, for charging from described bidirectional, dc discharge and recharge stake under charge mode, to described bidirectional, dc discharge and recharge stake electric discharge under discharge mode;
Described bidirectional, dc discharge and recharge stake is connected with described power brick with described battery management system, for configuring charge parameter under charge mode, sending charge request to described battery manager is also the charging of described power brick, under discharge mode, configure discharge parameter, send electric discharge to described battery manager and ask and the electric discharge receiving described power brick;
Described transformer is connected with described bidirectional, dc discharge and recharge stake, supplies described bidirectional, dc discharge and recharge stake for the alternating current of electrical network being changed into direct current and/or the direct current of bidirectional, dc discharge and recharge stake is changed into alternating current supply electrical network.
2. system according to claim 1, is characterized in that, described vehicle terminal system also comprises:
Integrated audio-video system and mobile terminal;
Described integrated audio-video system is connected with described entire car controller, and for the charge or discharge instruction of mobile terminal receive, display charging and discharging state information, arranges discharge and recharge operating parameter and send car status information to mobile terminal;
Described mobile terminal is connected with described integrated audio-video system, for sending charging instruction or electric discharge instruction to described integrated audio-video system, showing the car status information and the discharge and recharge of control car load that receive.
3. an automobile charge/discharge control method, is characterized in that, for automobile charge-discharge control system,
Described method comprises:
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 of request charging, then perform charging operations, if described signal type is the signal of request electric discharge, then perform discharge operation;
Described charging operations comprises:
Described battery management system is connected with bidirectional, dc discharge and recharge stake after receiving the signal of request charging;
Described bidirectional, dc discharge and recharge stake configuration charge parameter after successful connection, and send described charge parameter to described battery management system;
Described battery management system judges described bidirectional, dc discharge and recharge stake according to the described charge parameter received, and whether state is normal, if normal, then to described bidirectional, dc charge-discharge system transmission and reception successful information, described bidirectional, dc charge-discharge system sends charge request to described battery management system after receiving described reception successful information;
It is the charging of described power brick that described battery management system controls described bidirectional, dc discharge and recharge stake;
Described discharge operation comprises:
Described battery management system is connected with bidirectional, dc discharge and recharge stake after receiving the signal of request electric discharge;
Described bidirectional, dc discharge and recharge stake configuration discharge parameter after successful connection, and send described discharge parameter to described battery management system;
Described battery management system judges described bidirectional, dc discharge and recharge stake according to receiving charge parameter described in Russia whether state is normal, if normal, then to described bidirectional, dc charge-discharge system transmission and reception successful information, after described bidirectional, dc charge-discharge system receives described reception successful information, send electric discharge request to described battery management system;
Described battery management system controls described power brick and discharges to described bidirectional, dc discharge and recharge stake.
4. method according to claim 3, is characterized in that, described entire car controller also comprises before starting:
Charge or discharge instruction is sent to described integrated audio-video system by mobile terminal, and described integrated audio-video system sends corresponding charge or discharge operational parameter signals according to the charge or discharge instruction received to described entire car controller.
5. method according to claim 3, is characterized in that, described entire car controller also comprises after starting:
Described entire car controller first low pressure powers on, and after low pressure powers on, high pressure powers on again.
6. method according to claim 3, is characterized in that, described bidirectional, dc discharge and recharge stake is also comprise after the charging of described power brick:
Described battery management system receives after described bidirectional, dc discharge and recharge stake stops the signal of charging and disconnects the connection with described power brick, and to the signal that described entire car controller transmission charging terminates;
Described entire car controller to receive after the signal that described charging terminates electricity under first high pressure, then electricity under low pressure.
7. method according to claim 3, is characterized in that, described power brick also comprises after described bidirectional, dc discharge and recharge stake electric discharge:
Described battery management system receives after described bidirectional, dc discharge and recharge stake stops the signal of electric discharge and disconnects the connection with described power brick, and to the signal that described entire car controller transmission electric discharge terminates;
Described entire car controller to receive after the signal that described electric discharge terminates electricity under first high pressure, then electricity under low pressure.
8. method according to claim 3, is characterized in that, also comprises:
Described bidirectional, dc discharge and recharge stake is for battery management system described in described power brick charging process is to described entire car controller transmission battery status information;
Described entire car controller judges whether to break down according to the battery status information received, if break down, fault is stored.
9. method according to claim 3, is characterized in that, also comprises:
Described power brick sends battery status information to battery management system described in described bidirectional, dc discharge and recharge stake discharge process to described entire car controller;
Described entire car controller judges whether to break down according to the battery status information received, if break down, fault is stored.
10. method according to claim 3, is characterized in that, also comprises:
Described integrated audio-video system shows the state of discharge and recharge, battery status information and fault message, and described information is sent to mobile terminal.
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