CN104158259B - Based on the vehicle-mounted charge/discharge control method of V2G technology - Google Patents

Based on the vehicle-mounted charge/discharge control method of V2G technology Download PDF

Info

Publication number
CN104158259B
CN104158259B CN201410436442.0A CN201410436442A CN104158259B CN 104158259 B CN104158259 B CN 104158259B CN 201410436442 A CN201410436442 A CN 201410436442A CN 104158259 B CN104158259 B CN 104158259B
Authority
CN
China
Prior art keywords
discharge
charge
management system
battery management
way exchange
Prior art date
Application number
CN201410436442.0A
Other languages
Chinese (zh)
Other versions
CN104158259A (en
Inventor
冯超
李远方
Original Assignee
重庆长安汽车股份有限公司
重庆长安新能源汽车有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 重庆长安汽车股份有限公司, 重庆长安新能源汽车有限公司 filed Critical 重庆长安汽车股份有限公司
Priority to CN201410436442.0A priority Critical patent/CN104158259B/en
Publication of CN104158259A publication Critical patent/CN104158259A/en
Application granted granted Critical
Publication of CN104158259B publication Critical patent/CN104158259B/en

Links

Abstract

The invention discloses a kind of vehicle-mounted charge-discharge system based on V2G technology and control method, comprise vehicle end and charging pile end; Described vehicle end comprises: entire car controller, battery management system, integrated audio-video system, power brick and two-way exchange charge-discharge machine, described entire car controller is connected with battery management system, integrated audio-video system respectively, described battery management system is connected with power brick and two-way exchange charge-discharge machine respectively, and described power brick is connected with two-way exchange charge-discharge machine; Described charging pile end comprises two-way exchange discharge and recharge stake, transformer and electrical network, and this two-way exchange discharge and recharge stake is connected with two-way exchange charge-discharge machine, transformer respectively, and transformer is connected with electrical network.The present invention can realize the charge and discharge transmission of electricity between power brick and electrical network, and fail safe is good.

Description

Based on the vehicle-mounted charge/discharge control method of V2G technology

Technical field

The invention belongs to electric motor car and adopt plug-in hybrid-power automobile control technology, being specifically related to a kind of vehicle-mounted charge/discharge control method based on V2G technology.

Background technology

In recent years, the frequent generation of energy crisis and bulk power grid catastrophic failure, caused the attention of world wide power grid enterprises, and various countries' electric power enterprise is just being actively pushed forward technological innovation and changed with management.In order to tackle energy crisis and improve operation power level, propose the concept of intelligent grid.

At present, State Grid Corporation of China of China establishes the development strategy of building strong intelligent grid, namely based on physics electrical network, by modern advanced sensing measurement technology, mechanics of communication, information technology, computer technology and control technology and physics grid height integrated and form novel power grid.Intelligent grid fully can meet user to the demand of electric power and the fail safe of supply of electric power of optimizing allocation of resources, guarantee, reliability and economy, meet environment constraint, ensure the quality of power supply, and adapt to electricity marketization development, realize reliable to user, economic, clean, interactive supply of electric power and value-added service.Intelligent grid turns to the basic technical features of intelligent grid with informationization, automation, interaction, construction content comprises generating link, line link, power transformation link, distribution link, power supply service link, scheduling link, communication information platform etc., to the exploitation of regenerative resource and distributed power source access, concentrate/and the application etc. of distributed energy storage, electric automobile charging station, intelligent scheduling etc. the planning of being all correlated with.

Publication number is that CN102163856A discloses " a kind of V2G charge and discharge device and control method ", it relates generally to hardware circuit principle and the control method thereof of components and parts rank, but not car load level sex control method and flow process, relate to the communication modes with charging pile more.And for example publication number is: CN103182948A open " a kind of electric automobile and the dynamical system switched between discharge and recharge and driving function ", it utilizes drive motors system to carry out charging to control, its charging control end and vehicle body are isolated without electrical equipment, when 220V source-drain, directly and power turn-on, fail safe is poor for vehicle body.

Summary of the invention

The object of this invention is to provide a kind of vehicle-mounted charge/discharge control method based on V2G technology, to realize the charge and discharge transmission of electricity between power brick and electrical network, and fail safe is good.

A kind of vehicle-mounted charge/discharge control method based on V2G technology of the present invention, adopts the vehicle-mounted charge-discharge system based on V2G technology, and the described vehicle-mounted charge-discharge system based on V2G technology comprises vehicle end and charging pile end;

Described vehicle end comprises: entire car controller, battery management system, integrated audio-video system, power brick and two-way exchange charge-discharge machine, described entire car controller is connected with battery management system, integrated audio-video system respectively, described battery management system is connected with power brick and two-way exchange charge-discharge machine respectively, and described power brick is connected with two-way exchange charge-discharge machine;

The transformer that described charging pile end comprises two-way exchange discharge and recharge stake and is connected with electrical network, this two-way exchange discharge and recharge stake is connected with two-way exchange charge-discharge machine, transformer respectively;

Described entire car controller is responsible for work, the power-on and power-off control on coordination car load between each controller and is monitored the state of car load and carry out troubleshooting; The whole vehicle state that described battery management system judges according to entire car controller, the state of battery carries out charge and discharge control; Described integrated audio-video system is for showing charging and discharging state information and arranging the discharge and recharge time and send car status information; Described two-way exchange charge-discharge machine is used for the 330V direct current of power brick and 220V alternating current to change, then by two-way exchange discharge and recharge stake, realizes the trickle charge of electricity between power brick and electrical network and put transmission;

Vehicle end is connected by vehicle interface and power supply interface with charging pile end, vehicle interface comprises vehicle plug and vehicle socket, power supply interface comprises power supply base and supplies plug, the control pilot circuit used is the charge mode 3 in GB/T20234.2-2011, this control pilot circuit comprises power supply control apparatus, contactor K1, contactor K2, resistance R1, resistance R2, resistance R3, resistance Rc, switch S 1, switch S 2, switch S 3, diode D1, two-way exchange charge-discharge machine 5 and battery management system 9, resistance Rc and switch S 3 are arranged on vehicle plug, contactor K1, contactor K2, resistance R1 and switch S 1 are arranged on charging pile end, diode D1, resistance R2, resistance R3 and switch S 2 are arranged on vehicle end, wherein, power supply control apparatus is test point 4 with the tie point of the CC1 for plug, one end of resistance R1 is through the 12V state of switch S 1 and power supply control apparatus or PWM stateful connection, and the other end of resistance R1 is connected with the CP1 of power supply interface, and this tie point is test point 1, one end of switch S 3 is connected with the PE2 of vehicle plug, and the other end of switch S 3 is connected with the CC2 of vehicle plug through resistance Rc, and the CC2 of vehicle socket is connected with battery management system, and this tie point is test point 3, the CP2 of vehicle socket is connected with battery management system through diode D1, and this tie point is test point 2, one end ground connection of resistance R3, the other end of resistance R3 is connected with test point 2, and one end of resistance R2 is connected with test point 2, and the other end of resistance R2 is connected with two-way exchange charge-discharge machine through switch S 2, it is characterized in that, comprise the following steps:

Step 1, car load low pressure power on

Two-way exchange charge-discharge machine, entire car controller, battery management system and integrated power system low pressure power on, and initialization respectively;

Step 2, car load high pressure power on

Entire car controller high pressure powers on, and enters charge and discharge mode;

Step 3, charge and discharge mode are selected

Battery management system detects the resistance value between the magnitude of voltage of the CC2 at vehicle interface place and CC2 and the PE2 at vehicle interface place, and select to enter charge and discharge mode 1 according to the resistance value between the magnitude of voltage of CC2 and CC2 and PE2, or charge and discharge mode 3, or direct current charge-discharge flow process, or lower electric current journey;

Step 4, discharge and recharge optimum configurations

Enter charge and discharge mode 3 if select, then carry out discharge and recharge optimum configurations after carrying out discharge and recharge condition judgment:

The load current value that battery management system bears according to the resistance value determination charging cable between CC2 and PE2, the lowest high-current value that the PWM duty ratio determination charging pile end that battery management system detects according to vehicle interface place CP2 can provide;

Its maximum permission I/O electric current, the highest permission input/output voltage and maximum permission I/O electric current are sent to battery management system by two-way exchange charge-discharge machine;

Entire car controller Real-Time Monitoring high-voltage system load power demand also to send to battery management system in real time, battery management system calculates the current value of battery management system request two-way exchange charge-discharge machine I/O, the magnitude of voltage of battery management system request two-way exchange charge-discharge machine I/O and the power of battery management system maximum permission two-way exchange charge-discharge machine I/O according to battery status and car load relevant parameter, sends it to two-way exchange charge-discharge machine; Battery management system sends to entire car controller and starts discharge and recharge signal;

Enter charge and discharge mode 1 if select, then carry out discharge and recharge optimum configurations after carrying out discharge and recharge condition judgment:

The load current value that battery management system bears according to the resistance value determination charging cable between CC2 and PE2;

Its maximum permission I/O electric current, the highest permission input/output voltage and maximum permission I/O electric current are sent to battery management system by two-way exchange charge-discharge machine;

Entire car controller Real-Time Monitoring high-voltage system load power demand also to send to battery management system in real time, battery management system calculates the current value of battery management system request two-way exchange charge-discharge machine I/O, the magnitude of voltage of battery management system request two-way exchange charge-discharge machine I/O and the power of battery management system maximum permission two-way exchange charge-discharge machine I/O according to battery status and car load relevant parameter, sends it to two-way exchange charge-discharge machine; Battery management system sends to entire car controller and starts discharge and recharge signal;

Step 5, charge and discharge process control

When carrying out discharge and recharge by charge and discharge mode 3, battery management system judges whether the resistance value between CC2 and PE2 equals the first preset value successively, whether the pwm signal detecting CP2 does not interrupt, detecting whether battery be in can charging and discharging state, if be all yes, continue discharge and recharge, if there is any one to be not, then discharge and recharge terminates, and battery management system enters lower electric current journey;

When carrying out discharge and recharge by charge and discharge mode 1, battery management system judges whether the resistance value between CC2 and PE2 equals the second preset value successively, detecting whether battery be in can charging and discharging state, if be all yes, continue discharge and recharge, if there is any one to be not, then discharge and recharge terminates, and battery management system enters lower electric current journey;

Electricity under step 6, car load high pressure

Under entire car controller high pressure, electricity completes, and entire car controller sends instruction to two-way exchange charge-discharge machine, and two-way exchange charge-discharge machine is closed 12V and exported and dormancy;

Electricity under step 7, car load low pressure

Pull out charging plug.

In described step 3:

If the magnitude of voltage of CC2 is 6V and for unsettled between CC2 and PE2, then enter direct current charge-discharge flow process;

If the magnitude of voltage of CC2 is 6V and is non-vacant state between CC2 and PE2, then enter lower electric current journey;

If the magnitude of voltage that the battery management system resistance value recognized between CC2 and PE2 is 220 Ω, CC2 is not equal to 6V, and CP2 detects pwm signal, then enter charge and discharge mode 3;

If the magnitude of voltage that the battery management system resistance value recognized between CC2 and PE2 is 680 Ω, CC2 is not equal to 6V, and CP2 detects pwm signal, then enter charge and discharge mode 1;

If battery management system recognizes for unsettled between CC2 and PE2, and the magnitude of voltage of CC2 is not equal to 6V, then battery management system enters lower electric current journey.

In described step 5: described first preset value is 220 Ω; Described second preset value is 680 Ω.

Also comprise mobile phone, described mobile phone and integrated audio-video system wireless coupling, the car status information that this mobile phone sends for receiving and show described integrated audio-video system, and control car load discharge and recharge.

The power of described two-way exchange charge-discharge machine is 6kW; The power of described two-way exchange discharge and recharge stake is 6kW.The present invention

The described vehicle-mounted charge/discharge control method based on V2G technology has the following advantages:

(1) based on existing pure electric vehicle, system architecture design is divided into trickle charge and fills soon, the electrical network charge-discharge power demand of different power level can be adapted to;

(2) can compatible existing matured product, undertaken, by the V2G charging operations of vehicle to electrical network, realizing the function to grid charging by two-way exchange charge-discharge machine;

(3) adopt independent charge-discharge machine system, properties of product and reliability high; Battery management system controls two-way exchange charge-discharge machine and carries out charge and discharge control; Entire car controller is responsible for monitoring whole discharge and recharge flow process, is responsible for coordinating high pressure power up, monitors high pressure power-on time and the step that powers in official hour; Monitor whole charging process and whole vehicle state; If once break down, entire car controller can stop charge and discharge process immediately, fault message is sent to integrated audio-video system simultaneously and is transmitted to user mobile phone by note, farthest ensure that product safety.

Accompanying drawing explanation

Fig. 1 is structured flowchart of the present invention (comprising electrical network);

Fig. 2 is the control pilot circuit figure in the present invention;

Fig. 3 is the flow chart of step 1 ~ 3 in the present invention;

Fig. 4 is the flow chart of step 4 in the present invention;

Fig. 5 is the flow chart of step 5 ~ 7 in the present invention.

Embodiment

Below in conjunction with accompanying drawing, the invention will be further described.

A kind of vehicle-mounted charge-discharge system based on V2G technology as shown in Figure 1, comprises vehicle end and charging pile end; Described vehicle end comprises: entire car controller 1, battery management system 9, integrated audio-video system 2, power brick 4, two-way exchange charge-discharge machine 5 and mobile phone 3, described entire car controller 1 is connected with battery management system 9, integrated audio-video system 2 respectively by CAN line, described mobile phone 3 and integrated audio-video system 2 wireless coupling, described battery management system 9 is connected with power brick 4 and two-way exchange charge-discharge machine 5 respectively by CAN line, and described power brick 4 is connected with two-way exchange charge-discharge machine 5; The transformer 7 that described charging pile end comprises two-way exchange discharge and recharge stake 6 and is connected with electrical network 8, this two-way exchange discharge and recharge stake 6 is connected with two-way exchange charge-discharge machine 5, transformer 7 respectively.Described entire car controller 1 for coordinating work on car load between each controller, power-on and power-off control and monitoring car load state and carry out troubleshooting; The whole vehicle state that described battery management system 9 judges according to entire car controller 1, the state of battery carries out charge and discharge control; Described integrated audio-video system 2 is for showing charging and discharging state information, arranging the discharge and recharge time and sending car status information to mobile phone 3; Described mobile phone 3 for showing car status information, and controls car load discharge and recharge; Described two-way exchange charge-discharge machine 5 for the 330V direct current of power brick 4 and 220V alternating current being changed, then by two-way exchange discharge and recharge stake 6, realizes the trickle charge of electricity between power brick 4 and electrical network 8 and puts transmission.Intelligent electric meter can be set up between two-way exchange discharge and recharge stake 6 and transformer 7.

Table 1 is parameter and the basic function of entire car controller 1, battery management system 9, integrated audio-video system 2, power brick 4, two-way exchange charge-discharge machine 5 and mobile phone 3.

Table 1

By coupling, the power of two-way exchange charge-discharge machine 5 is 6kW; The power of two-way exchange discharge and recharge stake 6 is 6kW, can ensure the maximization of systematic function.

As shown in Figure 2, vehicle end is connected by vehicle interface 11 and power supply interface 10 with charging pile end, vehicle interface 11 comprises vehicle plug and vehicle socket, power supply interface 10 comprises power supply base and supplies plug, the control pilot circuit used is with reference to the charge mode 3 in GB/T20234.2-2011, this control pilot circuit comprises power supply control apparatus (being the control section of two-way exchange charging pile), contactor K1, contactor K2, resistance R1, resistance R2, resistance R3, resistance Rc, switch S 1, switch S 2, switch S 3, diode D1, two-way exchange charge-discharge machine 5 and battery management system 9, resistance Rc and switch S 3 are arranged on vehicle plug, contactor K1, contactor K2, resistance R1 and switch S 1 are arranged on charging pile end, diode D1, resistance R2, resistance R3 and switch S 2 are arranged on vehicle end.Wherein, power supply control apparatus is test point 4 with the tie point of the CC1 (namely charge with being connected and confirm) for plug; One end of resistance R1 is through the 12V state of switch S 1 and power supply control apparatus or PWM stateful connection, and the other end of resistance R1 is connected with the CP1 (namely controlling to confirm) of power supply interface 10, and this tie point is test point 1; One end of switch S 3 is connected with the PE2 (namely controlling to confirm) of vehicle plug, the other end of switch S 3 connects with the CC2 (namely charge with being connected and confirm) of vehicle plug through resistance Rc, the CC2 of vehicle socket is connected with battery management system 9, and this tie point is test point 3; The CP2 of vehicle socket is connected with battery management system 9 through diode D1, and this tie point is test point 2, one end ground connection of resistance R3, the other end of resistance R3 is connected with test point 2, one end of resistance R2 is connected with test point 2, and the other end of resistance R2 is connected with two-way exchange charge-discharge machine 5 through switch S 2.This control guidance circuit has following basic function:

Connect and confirm

By the resistance value measured between test point 3 place CC2 and PE2, battery management system 9 (BCU) judges whether vehicle plug is connected completely with vehicle socket, when detecting that resistance value is Rc, representing that vehicle plug connects correct, otherwise being detected as open circuit.Two-way exchange discharge and recharge stake 6 judges whether be connected completely with power supply base for plug by the magnitude of voltage measuring test point 1 or test point 4.

To complete after discharge and recharge starts and arrange to power supply unit operating personnel, as power supply unit fault-free, and power supply interface 10 connects completely, then switch S 1 switches to PWM connection status from connection 12V+ state.

The identification of charge-discharge connecting device current capacity and power supply unit mode of operation

Battery management system 9 determines the rated capacitance of current charge-discharge connecting device (i.e. cable) by the resistance value measured between test point 3 place CC2 and PE2; Maximum supply current and the mode of operation of current power supply unit is determined by the pwm signal duty ratio measuring test point 2.

Vehicle is ready

Under two-way exchange charge-discharge machine 5 self-inspection completes and does not have out of order situation, and power brick 4 be in can charging and discharging state time, battery management system 9 Closing Switch S2, the pwm signal of the charging pile ends to be detected such as vehicle end.When detecting that two-way exchange discharge and recharge stake 6 sends the pwm signal of 0 ~ Vcc, explanation carries out electric power transfer can to electrical network 8.When detecting that two-way exchange discharge and recharge stake 6 sends the pwm signal of-Vcc ~ Vcc, explanation carries out electric power transfer can to power brick 4.

Power supply unit is ready

When two-way exchange discharge and recharge stake 6 is by measuring the magnitude of voltage of test point 1, after judging that vehicle is ready, then control, by closed contactor K1 and contactor K2, to make ac power supply circuit conducting.

Charge-discharge system starts

After electrical connection is set up in electric automobile and discharge and recharge stake, battery management system 9 by the electric discharge of the pwm signal duty ratio confirmation discharge and recharge stake judging test point 2 is maximum can power supply capacity.

Discharge and recharge terminates or stops

In charge and discharge process, when the termination condition or driver that reach vehicle set implement to vehicle the instruction stopping discharge and recharge, battery management system 9 cut-off switch S2, and make vehicle-mounted discharge and recharge stake be in stopping charging and discharging state.Now, two-way exchange discharge and recharge stake 6 control switch S1 is switched to+12V connection status, and cuts off ac power supply circuit by disconnecting contactor K1 and contactor K2.

In the process, entire car controller 1 is responsible for the whole discharge and recharge flow process of monitoring, is responsible for coordinating high pressure power up, monitors high pressure power-on time and the step that powers in official hour.In charging process, monitor whole charging process and whole vehicle state.If once break down, entire car controller 1 can stop the process of discharge and recharge immediately, fault message is sent to DVD simultaneously and is transmitted to user mobile phone 3 by note.Farthest ensure that product safety.

As shown in Figures 3 to 5, the vehicle-mounted charge/discharge control method based on V2G technology of the present invention, wherein, discharge flow path comprises the following steps:

Step 1, car load low pressure power on

Low pressure powers on for two-way exchange charge-discharge machine 5, entire car controller 1, battery management system 9 and integrated power system (IPU is responsible for the control of power motor unit), and initialization respectively.

Step 2, car load high pressure power on

Entire car controller 1 high pressure powers on, and enters discharge mode.

Step 3, discharge mode are selected

Resistance value between the magnitude of voltage of the CC2 at battery management system 9 pairs of test point 3 places and CC2 and the PE2 at test point 3 place detects, thus carries out the selection of discharge mode;

If the magnitude of voltage of CC2 is 6V and for unsettled between CC2 and PE2, then enter direct-current discharge flow process;

If the magnitude of voltage of CC2 is 6V and is non-vacant state between CC2 and PE2, then enter lower electric current journey;

If the magnitude of voltage that battery management system 9 resistance value recognized between CC2 and PE2 is 220 Ω, CC2 is not equal to 6V, and CP2 detects pwm signal, then enter discharge mode 3;

If the magnitude of voltage that battery management system 9 resistance value recognized between CC2 and PE2 is 680 Ω, CC2 is not equal to 6V, and CP2 detects pwm signal, then enter discharge mode 1;

If battery management system 9 recognizes for unsettled between CC2 and PE2, and the magnitude of voltage of CC2 is not equal to 6V, then battery management system 9 enters lower electric current journey.

Step 4, discharge parameter are arranged

Enter after discharge mode 3 carries out discharging condition judgement and carry out discharge parameter setting:

The load current value that battery management system 9 bears according to the resistance value determination charging cable between CC2 and PE2, the lowest high-current value that the PWM duty ratio determination charging pile end that battery management system 9 detects according to CP2 can provide.

Two-way exchange charge-discharge machine 5 sends two-way exchange charge-discharge machine 5 maximum permission output current, the highest permission output voltage of two-way exchange charge-discharge machine 5 and the maximum permission input current of two-way exchange charge-discharge machine 5 to battery management system 9.

Entire car controller 1 Real-Time Monitoring high-voltage system load power demand also to send to battery management system 9 in real time, battery management system 9 calculates according to battery status and car load relevant parameter that battery management system 9 asks two-way exchange charge-discharge machine 5 output current value, battery management system 9 asks two-way exchange charge-discharge machine 5 output voltage values and battery management system 9 maximum permission two-way exchange charge-discharge machine 5 power output, sends it to two-way exchange charge-discharge machine 5; Battery management system 9 sends to entire car controller 1 and starts discharge signal.

Enter after discharge mode 1 carries out discharging condition judgement and carry out discharge parameter setting:

The load current value that battery management system 9 bears according to the resistance value determination charging cable between CC2 and PE2.

Two-way exchange charge-discharge machine 5 sends two-way exchange charge-discharge machine 5 maximum permission output current, the highest permission output voltage of two-way exchange charge-discharge machine 5 and the maximum permission input current of two-way exchange charge-discharge machine 5 to battery management system 9.

Entire car controller 1 Real-Time Monitoring high-voltage system load power demand also to send to battery management system 9 in real time, battery management system 9 calculates the power of current value that battery management system 9 asks two-way exchange charge-discharge machine 5 to export, magnitude of voltage that battery management system 9 asks two-way exchange charge-discharge machine 5 to export and the output of battery management system 9 maximum permission two-way exchange charge-discharge machine 5 according to battery status and car load relevant parameter, sends it to two-way exchange charge-discharge machine 5; Battery management system 9 sends to entire car controller 1 and starts discharge signal.

Step 5, discharge process control

Discharge mode 3 discharges, battery management system 9 judges whether the resistance value between CC2 and PE2 is 220 Ω (namely the first preset value is 220 Ω) successively, whether the pwm signal detecting CP2 does not interrupt, detecting whether battery be in can discharge condition, if be all yes, continue electric discharge, if there is any one to be not, then discharge end, battery management system 9 enters lower electric current journey.

Discharge mode 1 discharges, battery management system 9 judges whether the resistance value between CC2 and PE2 is 680 Ω (namely the second preset value is 680 Ω) successively, detecting whether battery be in can discharge condition, if be all yes, continue electric discharge, if have any one to be not, then end of discharging, battery management system 9 enters lower electric current journey.

Electricity under step 6, car load high pressure

Under entire car controller 1 high pressure, electricity completes, and sends entire car controller 1CHMWakeUp=0 to two-way exchange charge-discharge machine 5, and two-way exchange charge-discharge machine 5 is closed 12V and exported and dormancy.

Electricity under step 7, car load low pressure

Pull out charging plug, charging wire connects indicator light and extinguishes.

Charging flow comprises the following steps:

Comprise the following steps:

Step 1, car load low pressure power on

Low pressure powers on for two-way exchange charge-discharge machine 5, entire car controller 1, battery management system 9 and integrated power system (IPU is responsible for the control of power motor unit), and initialization respectively.

Step 2, car load high pressure power on

Entire car controller 1 high pressure powers on, and enters charge mode.

Step 3, charge mode are selected

Resistance value between the magnitude of voltage of the CC2 at battery management system 9 pairs of test point 3 places and CC2 and the PE2 at test point 3 place detects, thus carries out the selection of charge mode;

If the magnitude of voltage of CC2 is 6V and for unsettled between CC2 and PE2, then enter DC charging flow process;

If the magnitude of voltage of CC2 is 6V and is non-vacant state between CC2 and PE2, then enter lower electric current journey;

If the magnitude of voltage that battery management system 9 resistance value recognized between CC2 and PE2 is 220 Ω, CC2 is not equal to 6V, and CP2 detects pwm signal, then enter charge mode 3;

If the magnitude of voltage that battery management system 9 resistance value recognized between CC2 and PE2 is 680 Ω, CC2 is not equal to 6V, and CP2 detects pwm signal, then enter charge mode 1;

If battery management system 9 recognizes for unsettled between CC2 and PE2, and the magnitude of voltage of CC2 is not equal to 6V, then battery management system 9 enters lower electric current journey.

Step 4, charge parameter are arranged

Enter after charge mode 3 carries out charge condition judgement and carry out charge parameter setting:

The load current value that battery management system 9 bears according to the resistance value determination charging cable between CC2 and PE2, the lowest high-current value that the PWM duty ratio determination charging pile end that battery management system 9 detects according to CP2 can provide.

Two-way exchange charge-discharge machine 5 sends two-way exchange charge-discharge machine 5 maximum permission input current, the highest permission input voltage of two-way exchange charge-discharge machine 5 and the maximum permission output current of two-way exchange charge-discharge machine 5 to battery management system 9.

Entire car controller 1 Real-Time Monitoring high-voltage system load power demand also to send to battery management system 9 in real time, the magnitude of voltage that battery management system 9 calculates according to battery status and car load relevant parameter current value that battery management system 9 asks two-way exchange charge-discharge machine 5 input, battery management system 9 asks two-way exchange charge-discharge machine 5 to input and the power that battery management system 9 maximum permission two-way exchange charge-discharge machine 5 inputs, send it to two-way exchange charge-discharge machine 5; Battery management system 9 sends to entire car controller 1 and starts charging signals.

Enter after charge mode 1 carries out charge condition judgement and carry out charge parameter setting:

The load current value that battery management system 9 bears according to the resistance value determination charging cable between CC2 and PE2.

Two-way exchange charge-discharge machine 5 sends two-way exchange charge-discharge machine 5 maximum permission input current, the highest permission input voltage of two-way exchange charge-discharge machine 5 and the maximum permission output current of two-way exchange charge-discharge machine 5 to battery management system 9.

Entire car controller 1 Real-Time Monitoring high-voltage system load power demand also to send to battery management system 9 in real time, the magnitude of voltage that battery management system 9 calculates according to battery status and car load relevant parameter current value that battery management system 9 asks two-way exchange charge-discharge machine 5 input, battery management system 9 asks two-way exchange charge-discharge machine 5 to input and the power that battery management system 9 maximum permission two-way exchange charge-discharge machine 5 inputs, send it to two-way exchange charge-discharge machine 5; Battery management system 9 sends to entire car controller 1 and starts charging signals.

Step 5, charging process control

Charge mode 3 charges, battery management system 9 judges whether the resistance value between CC2 and PE2 is 220 Ω (namely the first preset value is 220 Ω) successively, whether the pwm signal detecting CP2 does not interrupt, detect battery and whether be in chargeable state, if be all yes, continue charging, if there is any one to be not, then charge end, battery management system 9 enters lower electric current journey.

Charge mode 1 charges, battery management system 9 judges whether the resistance value between CC2 and PE2 is 680 Ω (namely the second preset value is 680 Ω) successively, detect battery and whether be in chargeable state, if be all yes, continue charging, if have any one to be not, then end of charging, battery management system 9 enters lower electric current journey.

Electricity under step 6, car load high pressure

Under entire car controller 1 high pressure, electricity completes, and sends entire car controller 1CHMWakeUp=0 to two-way exchange charge-discharge machine 5, and two-way exchange charge-discharge machine 5 is closed 12V and exported and dormancy.

Electricity under step 7, car load low pressure

Pull out charging plug, charging wire connects indicator light and extinguishes.

Claims (5)

1. based on a vehicle-mounted charge/discharge control method for V2G technology, adopt the vehicle-mounted charge-discharge system based on V2G technology, the described vehicle-mounted charge-discharge system based on V2G technology comprises vehicle end and charging pile end;
Described vehicle end comprises: entire car controller (1), battery management system (9), integrated audio-video system (2), power brick (4) and two-way exchange charge-discharge machine (5), described entire car controller (1) is connected with battery management system (9), integrated audio-video system (2) respectively, described battery management system (9) is connected with power brick (4) and two-way exchange charge-discharge machine (5) respectively, and described power brick (4) is connected with two-way exchange charge-discharge machine (5);
The transformer (7) that described charging pile end comprises two-way exchange discharge and recharge stake (6) and is connected with electrical network (8), this two-way exchange discharge and recharge stake (6) is connected with two-way exchange charge-discharge machine (5), transformer (7) respectively;
Described entire car controller (1) is responsible for work, the power-on and power-off control on coordination car load between each controller and is monitored the state of car load and carry out troubleshooting; The whole vehicle state that described battery management system (9) judges according to entire car controller (1), the state of battery carries out charge and discharge control; Described integrated audio-video system (2) is for showing charging and discharging state information and arranging the discharge and recharge time and send car status information; Described two-way exchange charge-discharge machine (5) is for changing the 330V direct current of power brick (4) and 220V alternating current, again by two-way exchange discharge and recharge stake (6), realize the trickle charge of electricity between power brick (4) and electrical network (8) and put transmission;
Vehicle end is connected by vehicle interface (11) and power supply interface (10) with charging pile end, vehicle interface (11) comprises vehicle plug and vehicle socket, power supply interface (10) comprises power supply base and supplies plug, the control pilot circuit used is the charge mode 3 in GB/T20234.2-2011, this control pilot circuit comprises power supply control apparatus, contactor K1, contactor K2, resistance R1, resistance R2, resistance R3, resistance Rc, switch S 1, switch S 2, switch S 3, diode D1, two-way exchange charge-discharge machine 5 and battery management system 9, resistance Rc and switch S 3 are arranged on vehicle plug, contactor K1, contactor K2, resistance R1 and switch S 1 are arranged on charging pile end, diode D1, resistance R2, resistance R3 and switch S 2 are arranged on vehicle end, wherein, power supply control apparatus is test point 4 with the tie point of the CC1 for plug, one end of resistance R1 is through the 12V state of switch S 1 and power supply control apparatus or PWM stateful connection, and the other end of resistance R1 is connected with the CP1 of power supply interface (10), and this tie point is test point 1, one end of switch S 3 is connected with the PE2 of vehicle plug, and the other end of switch S 3 is connected with the CC2 of vehicle plug through resistance Rc, and the CC2 of vehicle socket is connected with battery management system (9), and this tie point is test point 3, the CP2 of vehicle socket is connected with battery management system (9) through diode D1, and this tie point is test point 2, one end ground connection of resistance R3, the other end of resistance R3 is connected with test point 2, and one end of resistance R2 is connected with test point 2, and the other end of resistance R2 is connected with two-way exchange charge-discharge machine (5) through switch S 2, it is characterized in that, comprise the following steps:
Step 1, car load low pressure power on
Two-way exchange charge-discharge machine (5), entire car controller (1), battery management system (9) and integrated power system low pressure power on, and initialization respectively;
Step 2, car load high pressure power on
Entire car controller (1) high pressure powers on, and enters charge and discharge mode;
Step 3, charge and discharge mode are selected
Battery management system (9) detects the resistance value between the magnitude of voltage of the CC2 at vehicle interface place and CC2 and the PE2 at vehicle interface place, and select to enter charge and discharge mode 1 according to the resistance value between the magnitude of voltage of CC2 and CC2 and PE2, or charge and discharge mode 3, or direct current charge-discharge flow process, or lower electric current journey;
Step 4, discharge and recharge optimum configurations
Enter charge and discharge mode 3 if select, then carry out discharge and recharge optimum configurations after carrying out discharge and recharge condition judgment:
The load current value that battery management system (9) bears according to the resistance value determination charging cable between CC2 and PE2, the lowest high-current value that the PWM duty ratio determination charging pile end that battery management system (9) detects according to vehicle interface place CP2 can provide; Its maximum permission I/O electric current, the highest permission input/output voltage and maximum permission I/O electric current are sent to battery management system (9) by two-way exchange charge-discharge machine (5);
Entire car controller (1) Real-Time Monitoring high-voltage system load power demand also to send to battery management system (9) in real time, battery management system (9) calculates the current value of battery management system (9) request two-way exchange charge-discharge machine (5) I/O according to battery status and car load relevant parameter, the magnitude of voltage of battery management system (9) request two-way exchange charge-discharge machine (5) I/O and the power of battery management system (9) maximum permission two-way exchange charge-discharge machine (5) I/O, send it to two-way exchange charge-discharge machine (5), battery management system (9) sends to entire car controller (1) and starts discharge and recharge signal,
Enter charge and discharge mode 1 if select, then carry out discharge and recharge optimum configurations after carrying out discharge and recharge condition judgment:
The load current value that battery management system (9) bears according to the resistance value determination charging cable between CC2 and PE2;
Its maximum permission I/O electric current, the highest permission input/output voltage and maximum permission I/O electric current are sent to battery management system (9) by two-way exchange charge-discharge machine (5);
Entire car controller (1) Real-Time Monitoring high-voltage system load power demand also to send to battery management system (9) in real time, battery management system (9) calculates the current value of battery management system (9) request two-way exchange charge-discharge machine (5) I/O according to battery status and car load relevant parameter, the magnitude of voltage of battery management system (9) request two-way exchange charge-discharge machine (5) I/O and the power of battery management system (9) maximum permission two-way exchange charge-discharge machine (5) I/O, send it to two-way exchange charge-discharge machine (5), battery management system (9) sends to entire car controller (1) and starts discharge and recharge signal,
Step 5, charge and discharge process control
When carrying out discharge and recharge by charge and discharge mode 3, battery management system (9) judges whether the resistance value between CC2 and PE2 equals the first preset value successively, whether the pwm signal detecting CP2 does not interrupt, detecting whether battery be in can charging and discharging state, if be all yes, continue discharge and recharge, if there is any one to be not, then discharge and recharge terminates, and battery management system (9) enters lower electric current journey;
When carrying out discharge and recharge by charge and discharge mode 1, battery management system (9) judges whether the resistance value between CC2 and PE2 equals the second preset value successively, detecting whether battery be in can charging and discharging state, if be all yes, continue discharge and recharge, if there is any one to be not, then discharge and recharge terminates, and battery management system (9) enters lower electric current journey;
Electricity under step 6, car load high pressure
Under entire car controller (1) high pressure, electricity completes, and entire car controller (1) sends instruction to two-way exchange charge-discharge machine, and two-way exchange charge-discharge machine (5) is closed 12V and exported and dormancy;
Electricity under step 7, car load low pressure
Pull out charging plug.
2. the vehicle-mounted charge/discharge control method based on V2G technology according to claim 1, is characterized in that: in described step 3:
If the magnitude of voltage of CC2 is 6V and for unsettled between CC2 and PE2, then enter direct current charge-discharge flow process;
If the magnitude of voltage of CC2 is 6V and is non-vacant state between CC2 and PE2, then enter lower electric current journey;
If the magnitude of voltage that battery management system (9) resistance value recognized between CC2 and PE2 is 220 Ω, CC2 is not equal to 6V, and CP2 detects pwm signal, then enter charge and discharge mode 3;
If the magnitude of voltage that battery management system (9) resistance value recognized between CC2 and PE2 is 680 Ω, CC2 is not equal to 6V, and CP2 detects pwm signal, then enter charge and discharge mode 1;
If battery management system (9) recognizes for unsettled between CC2 and PE2, and the magnitude of voltage of CC2 is not equal to 6V, then battery management system (9) enters lower electric current journey.
3. the vehicle-mounted charge/discharge control method based on V2G technology according to claim 1, is characterized in that: in described step 5: described first preset value is 220 Ω; Described second preset value is 680 Ω.
4. according to the arbitrary described vehicle-mounted charge/discharge control method based on V2G technology of claims 1 to 3, it is characterized in that: also comprise mobile phone (3), described mobile phone (3) and integrated audio-video system (2) wireless coupling, the car status information that this mobile phone sends for receiving and show described integrated audio-video system (2), and control car load discharge and recharge.
5., according to the arbitrary described vehicle-mounted charge/discharge control method based on V2G technology of claims 1 to 3, it is characterized in that: the power of described two-way exchange charge-discharge machine (5) is 6kW; The power of described two-way exchange discharge and recharge stake (6) is 6kW.
CN201410436442.0A 2014-08-29 2014-08-29 Based on the vehicle-mounted charge/discharge control method of V2G technology CN104158259B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410436442.0A CN104158259B (en) 2014-08-29 2014-08-29 Based on the vehicle-mounted charge/discharge control method of V2G technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410436442.0A CN104158259B (en) 2014-08-29 2014-08-29 Based on the vehicle-mounted charge/discharge control method of V2G technology

Publications (2)

Publication Number Publication Date
CN104158259A CN104158259A (en) 2014-11-19
CN104158259B true CN104158259B (en) 2016-03-30

Family

ID=51883700

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410436442.0A CN104158259B (en) 2014-08-29 2014-08-29 Based on the vehicle-mounted charge/discharge control method of V2G technology

Country Status (1)

Country Link
CN (1) CN104158259B (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104410138B (en) * 2014-11-24 2017-02-22 重庆长安汽车股份有限公司 Automobile charging and discharging control system and method
CN104882947B (en) * 2014-12-02 2017-07-14 重庆小康工业集团股份有限公司 The control device of electric vehicle alternating-current charging pattern one and control method
CN104659888A (en) * 2015-02-08 2015-05-27 安徽进隆电动车有限公司 Control device capable of selecting time to charge for electric special vehicle
CN104698895A (en) * 2015-03-18 2015-06-10 西平立至电控科技有限公司 Compatible integrated circuit control method and control device for electric vehicle controller
CN105515140B (en) * 2015-12-25 2017-07-28 福建省汽车工业集团云度新能源汽车股份有限公司 A kind of vehicle-mounted ac power supply system of electric automobile
CN105680517B (en) * 2016-03-11 2018-09-04 福建省汽车工业集团云度新能源汽车股份有限公司 A kind of electric vehicle car AC power
CN105799515B (en) * 2016-03-11 2018-06-19 福建省汽车工业集团云度新能源汽车股份有限公司 A kind of vehicle-mounted AC power of electric vehicle
CN105774589B (en) * 2016-03-15 2017-12-19 吉林大学 Electric car integrated form high pressure power-on and power-off control method
CN105939023A (en) * 2016-04-22 2016-09-14 深圳英飞源技术有限公司 Complete machine testing and energy feedback system for electric vehicle charger
CN106809043B (en) * 2017-02-17 2019-11-15 苏州协鑫集成科技工业应用研究院有限公司 Charging system for electric automobile and charging method
CN107264309B (en) * 2017-05-31 2019-11-05 北京新能源汽车股份有限公司 A kind of control method of charging and discharging vehicle, device and automobile
CN107757401B (en) * 2017-09-25 2019-11-05 北京新能源汽车股份有限公司 Control method, device and the electric car of vehicle-mounted bidirectional charger operating mode

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102280903B (en) * 2010-06-10 2014-07-30 上海市电力公司 V2G intelligent charging and discharging system
CN102163856A (en) * 2011-03-01 2011-08-24 东南大学 Vehicle-to-grid (V2G)-technology-based vehicle-mounted charging and discharging device and control method thereof
CN102361342B (en) * 2011-10-25 2013-10-30 重庆长安汽车股份有限公司 Electric automobile charging system and method
JP6083121B2 (en) * 2012-03-22 2017-02-22 株式会社豊田自動織機 Power feeding device and charging device, power feeding method and power feeding program
CN103457318A (en) * 2013-08-20 2013-12-18 重庆长安汽车股份有限公司 Power cell charging and heating system and method of pure electric vehicle
CN103580250B (en) * 2013-10-31 2016-04-27 奇瑞汽车股份有限公司 A kind of charge-discharge system, charge-discharge control system and pure electric automobile and electrical network charge/discharge control method

Also Published As

Publication number Publication date
CN104158259A (en) 2014-11-19

Similar Documents

Publication Publication Date Title
EP2800231B1 (en) Electric automobile and discharging device thereof
CN103187758B (en) Charging system for electric automobile and electric automobile with same
JP2013216318A (en) Control system with reconfigurable multi-function power converter and hybrid vehicle
RU2420849C1 (en) Charging control device for transport facility and transport facility
US9457791B2 (en) Charging cable with controller
KR20120107969A (en) Power feed system for electric vehicle
US20120074901A1 (en) Centralized charging station
EP2453512A1 (en) Systems, methods, and apparatus for demand response of battery-powered devices
CN102005817B (en) Uninterruptible power supply device based on microgrid and dispatching control method thereof
JP2013059250A (en) Controller and method of controlling power system
US9493086B2 (en) Charging system and charging reservation method
CN104816642A (en) Portable electrified vehicle energy transfer apparatus and method
KR20120106457A (en) Inverter-charger conversed device for electric vehicles and method for controlling thereof
CN104249629A (en) Electric vehicle, power system of the same, and charging method of said power system
CN102361342B (en) Electric automobile charging system and method
US20130088198A1 (en) Electric charging system and electric charging method
CN105207304A (en) Battery charger with active protection function and charging method
KR20140084369A (en) An all in one onboard battery charger for electric vehicle, electric vehicle having the function of the charge, and the system and method for controlling a battery charger for electric vehicle including the on board battery charger
CN104249630A (en) Electric automobile and system of electric automobile for outwards supplying power
CN102480164A (en) Hybrid energy power supply system and hybrid energy power supply method
US20140253036A1 (en) Charging system and charging scheduling method
CN105196888A (en) Charge management system and method for electric vehicle charger
CN104442406A (en) Method for judging adhesion of high-voltage relay
CN104009519A (en) Battery management system of micro-electric vehicle
DE102013203253A1 (en) Method for charging a socket electric vehicle

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract
EE01 Entry into force of recordation of patent licensing contract

Application publication date: 20141119

Assignee: Chongqing Changan New Energy Automotive Technology Co., Ltd.

Assignor: Chongqing Changan Automobile Co., Ltd.|Chongqing Chang'an New Energy Automobile Co., Ltd.

Contract record no.: 2018500000018

Denomination of invention: Vehicle-mounted charging and discharging control method based on V2G technology

Granted publication date: 20160330

License type: Exclusive License

Record date: 20181121

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20190102

Address after: 401133 room 208, 2 house, 39 Yonghe Road, Yu Zui Town, Jiangbei District, Chongqing

Patentee after: Chongqing Changan New Energy Automotive Technology Co., Ltd.

Address before: 400023, No. 260, Jianxin East Road, Jiangbei District, Chongqing

Co-patentee before: Chongqing Chang'an New Energy Automobile Co., Ltd.

Patentee before: Chongqing Changan Automobile Co., Ltd.