CN103187771B - Electric automobile and electric discharge device thereof - Google Patents
Electric automobile and electric discharge device thereof Download PDFInfo
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- CN103187771B CN103187771B CN201210592442.0A CN201210592442A CN103187771B CN 103187771 B CN103187771 B CN 103187771B CN 201210592442 A CN201210592442 A CN 201210592442A CN 103187771 B CN103187771 B CN 103187771B
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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Abstract
The invention discloses a kind of electric discharge device of electric automobile, comprising: AC charging mouth, charging connecting device, for the alternating current exported by AC charging mouth is delivered to external equipment; Instrument is used for receiving under triggering signal, sends electric discharge preparation instruction; Whether controller communicates with instrument, for after receiving electric discharge preparation instruction, detect charging connecting device and be connected with AC charging mouth, if it is switch to external discharge mode; And battery manager communicates with controller, after switching to external discharge mode at controller, control the external discharge loop in the high-tension distribution box of adhesive electric automobile; Electrokinetic cell is connected with high-tension distribution box, for providing direct current by the external discharge loop in high-tension distribution box.The electric discharge device of this electric automobile has expanded the scope of application of electric motor car, enables electric motor car momentarily to the domestic power supply that people provide convenience.The invention also discloses a kind of electric automobile.
Description
Technical field
The present invention relates to technical field of automobile control, particularly a kind of electric automobile and electric discharge device thereof.
Background technology
Along with the development of science and technology, the electric automobile of environmental protection and energy saving is play the role replacing fuel vehicle, but the universal of electric automobile is also faced with some problems, wherein high course continuation mileage and efficiently charging technique, has become a great problem that electric automobile is promoted.
At present, electric automobile adopts jumbo battery mostly, although can improve the flying power of electric automobile, same jumbo battery brings again charging interval long problem.Although the DC charging station of specialty can fast for battery charges, but the problems such as the cost of great number and larger floor space make the universal of this infrastructure also be faced with certain difficulty, simultaneously again due to the limited space of vehicle, onboard charger is subject to the restriction of volume and cannot meets charge power.
Now commercially taked charging scheme has following several:
Scheme (1): as depicted in figs. 1 and 2, vehicle-mounted charge and discharge device in this scheme mainly comprises three phase mains transformer 1 ', six Thyristor compositions three-phase bridge circuit 2 ', constant-pressure control device AUR and constant-current control device ACR, but program serious waste space and cost.
Scheme (2): as shown in Figure 3, the vehicle-mounted charge and discharge device in this scheme installs two charging sockets 15 ', 16 ' for adapting to list/three-phase charging, adds cost; Motor driving loop comprises the filtration module that inductance L 1 ' forms with electric capacity C1 ', and when motor drives, three-phase current after filtering module produces loss, is the waste to battery electric quantity; During program charge/discharge operation, inverter 13 ' carries out rectification/inversion to alternating current, and after rectification/inversion, voltage is unadjustable, is suitable for battery operating voltage narrow range.
In sum, AC charging technology taked in the market adopts individual event charging technique mostly, and this technology exists that charge power is little, the charging interval is long, hardware volume is comparatively large, function singleness, be limited to the shortcoming such as electric pressure restriction of different regions electrical network.
In addition, the electric energy stored by electrokinetic cell is only travelled use to motor-driven vehicle by original electric motor car.Under vehicle is in OK shelves, after vehicle collects gear signal and throttle signal, the DC inverter that battery provides by motor drive controller exports to motor after becoming alternating current, and drive motor rotates to drive vehicle to travel.Electric automobile is provided with the large and energy storage device that quality is really up to the mark of capacity: electrokinetic cell.Electrokinetic cell only provides the device of the energy to use as travelling to vehicle by original motor vehicle, and the use of the electric energy that electrokinetic cell is stored too is limited to.
Along with the continuous progress of science and technology, the life of people becomes more and more Energy and comfort, the development of all trades and professions also all more closeness to life.Electric energy stored by electrokinetic cell only travels to motor-driven vehicle by original electric motor car and uses.Under vehicle is in OK shelves, after vehicle collects gear signal and throttle signal, the DC inverter that battery provides by motor drive controller exports to motor after becoming alternating current, and drive motor rotates to drive vehicle to travel.
Summary of the invention
Object of the present invention is intended at least solve one of described technological deficiency.
For this reason, first object of the present invention is the electric discharge device proposing a kind of electric automobile, and the scope of application of electric motor car expanded by this electric automobile, enables electric motor car momentarily to the domestic power supply that people provide convenience.Second object of the present invention is to propose a kind of electric automobile.
To achieve these goals, the embodiment of first aspect present invention provides a kind of electric discharge device of electric automobile, comprise: AC charging mouth, charging connecting device, one end of described charging connecting device is connected with described AC charging mouth, the other end is connected with external equipment, for the alternating current exported by described AC charging mouth is delivered to described external equipment; Instrument, described instrument is used for receiving under triggering signal, sends electric discharge preparation instruction; Controller, whether described controller communicates with described instrument, for after receiving described electric discharge preparation instruction, detect described charging connecting device and be connected with described AC charging mouth, if it is switch to external discharge mode; And battery manager, described battery manager communicates with described controller, for after described controller switches to external discharge mode, controls the external discharge loop in the high-tension distribution box of electric automobile described in adhesive; Electrokinetic cell, electrokinetic cell is connected with described high-tension distribution box, for providing direct current by the external discharge loop in high-tension distribution box; Wherein, the direct current that described in described controller, external discharge loop provides is converted to alternating current, and exports described AC charging mouth to realize the electric discharge to described external equipment.
According to the electric discharge device of the electric automobile of the embodiment of the present invention, on electric automobile during OK shelves electricity, set and housed device is discharged, then electric automobile is connected to electric automobile to insert row electric discharge jockey, electric automobile detect connect normal and under not having out of order situation, externally exported the household electric of electric pressure identical with electrical network, same frequency by the AC charging mouth of electric automobile, just can normally use as long as housed device is connected on insert row.The electric discharge device of this electric automobile has expanded the scope of application of electric motor car, enables electric motor car momentarily to the domestic power supply that people provide convenience.
The embodiment of second aspect present invention proposes a kind of electric automobile, comprises the electric discharge device of a kind of electric automobile that first aspect present invention embodiment provides.
According to the electric automobile of the embodiment of the present invention, when electric automobile OK shelves electricity, set and housed device is discharged, then electric automobile is connected to electric automobile to insert row electric discharge jockey, electric automobile detect connect normal and under not having out of order situation, externally exported the household electric of electric pressure identical with electrical network, same frequency by the AC charging mouth of electric automobile, just can normally use as long as housed device is connected on insert row.The scope of application of electric motor car expanded by this electric automobile, enables electric motor car momentarily to the domestic power supply that people provide convenience.
Additional aspect of the present invention and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present invention.
Accompanying drawing explanation
Above-mentioned and/or additional aspect of the present invention and advantage will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the circuit diagram of existing a kind of vehicle-mounted charge and discharge device;
Fig. 2 is the control schematic diagram of existing a kind of vehicle-mounted charge and discharge device;
Fig. 3 is the circuit diagram of the vehicle-mounted charge and discharge device of existing another kind;
Fig. 4 is the electric discharge device structural representation of the electric automobile according to the embodiment of the present invention;
Fig. 5 is the electric discharge device structural representation of electric automobile according to another embodiment of the present invention;
To be electric automobile to discharge link topology to insert row Fig. 6;
Fig. 7 is the block diagram of the dynamical system for electric automobile;
Fig. 8 is the topological diagram of the dynamical system of electric automobile;
Fig. 9 is that the electric discharge device of electric automobile is to the connection diagram of housed device, industrial electricity apparatus electric discharge;
Figure 10 is that the electric discharge device of electric automobile is to insert row electric discharge jockey schematic diagram;
Figure 11 is that the electric discharge device of electric automobile is to housed device, industrial electricity apparatus discharge scheme system block diagram;
Figure 12 is that the electric discharge device of electric automobile is to the workflow diagram of housed device, industrial electricity apparatus electric discharge preparatory stage each module; And
Figure 13 is that the electric discharge device of electric automobile is to the workflow diagram of housed device, industrial electricity apparatus discharge regime, each module of electric discharge ending phase.
Embodiment
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", orientation or the position relationship of the instruction such as " counterclockwise " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise one or more these features.In describing the invention, the implication of " multiple " is two or more, unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature it " on " or D score can comprise the first and second features and directly contact, also can comprise the first and second features and not be directly contact but by the other characterisation contact between them.And, fisrt feature second feature " on ", " top " and " above " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " comprise fisrt feature directly over second feature and oblique upper, or only represent that fisrt feature level height is less than second feature.
Fig. 4 is the structural representation of the electric discharge device of electric automobile according to the embodiment of the present invention.
As shown in Figure 4, the electric discharge device 100 of the electric automobile of the embodiment of the present invention, comprising: AC charging mouth 110, charging connecting device 120, instrument 130, controller 140, battery manager 150 and electrokinetic cell 160.
One end of charging connecting device 120 is connected with AC charging mouth 110, and the other end is connected with external equipment, for the alternating current exported by AC charging mouth 110 is delivered to external equipment.
Particularly, as shown in Figure 5, the electric discharge device 100 of the electric automobile of another embodiment of the present invention, charging connecting device 120 also comprises: charging gun 1201 and insert row 1202.
Charging gun 1201 is positioned at one end of charging connecting device, is connected with AC charging mouth 110.
Insert row 1202 is positioned at the other end of charging connecting device, is connected with the plug of external equipment.
Whether controller 140 communicates with instrument 130, for receiving under triggering signal receiving instrument 130, after the electric discharge preparation instruction of transmission, detecting charging connecting device 120 and being connected with AC charging mouth 110, if it is switching to external discharge mode.In an embodiment of the present invention, external discharge mode can be single-phase discharge mode and also can be three-phase discharge mode.
Particularly, instrument 130 is communicated by controller local area network's CAN with controller 140, and controller 140 is communicated by CAN with battery manager 150.
Further, controller 140 is also for after detecting that charging connecting device 120 is connected with AC charging mouth 110, and whether the current gear detecting electric automobile is further P gear, if so, then switches to external discharge mode; Controller 140 also in discharge process, the internal circuit of real-time measure and control device 140 and external equipment whether fault; Controller 140, also for when internal circuit and/or external equipment fault being detected, stops output AC electricity, such as single-phase alternating current or three-phase alternating current; Controller 140, also for after the electric discharge END instruction receiving instrument 130, stops output AC electricity; Controller 140 is also for detecting present discharge electric current in real time, and wherein, alternating current is the alternating current of 220V/50Hz.Certainly in other embodiments of the invention, three-phase alternating current can be adopted, its discharge voltage adjustable, as long as the use standard that can meet housed device.
Battery manager 150 communicates with controller 140, for after controller 140 switches to external discharge mode, controls the external discharge loop in the high-tension distribution box of adhesive electric automobile.
Particularly, battery manager 150 also for detecting the current electric quantity of electrokinetic cell and electrokinetic cell 160 whether fault in real time, and upon failure detection, sends battery failures instruction to controller 140, controller 140, after receiving battery failures instruction, stops output AC electricity.
Electrokinetic cell 160 is connected with high-tension distribution box, for providing direct current by the external discharge loop in high-tension distribution box.
Wherein, controller 140 direct current that externally discharge loop provides is converted to alternating current, and exports AC charging mouth 110 to realize the electric discharge to external equipment.
According to the electric discharge device of the electric automobile of the embodiment of the present invention, when electric automobile OK shelves electricity, set and housed device is discharged, then electric automobile is connected to electric automobile to insert row electric discharge jockey, electric automobile detect connect normal and under not having out of order situation, externally exported the household electric of electric pressure identical with electrical network, same frequency by the AC charging mouth of electric automobile, just can normally use as long as housed device is connected on insert row.The electric discharge device of this electric automobile has expanded the scope of application of electric motor car, enables electric motor car momentarily to the domestic power supply that people provide convenience.
To be electric automobile to discharge link topology to insert row Fig. 6.
As shown in Figure 6, electric automobile comprises insert row electric discharge link topology: controller, insert row, controller of vehicle.
Particularly, because electric automobile only uses as power supply when supplying power for outside, external equipment and electric automobile do not control the mutual of confirmation signal (CP), so electric automobile to insert row electric discharge jockey charging gun on without the need for confirmation signal (CP) holding wire, only need to connect and confirm CC, European standard is called PP holding wire.Wherein, on CC holding wire, resistance value is decided to be 470 Ω to distinguish the situation of charging, allows controller secondary detection can confirm that electric automobile is the state for discharging to housed device.
Further, on electric automobile during OK shelves electricity, set and housed device is discharged, then electric automobile is connected to electric automobile to insert row electric discharge jockey, electric automobile is detected and connects normal and under not having out of order situation, externally exported the household electric of electric pressure identical with electrical network, same frequency by the AC charging mouth of electric automobile.Now, just can normally use as long as housed device is connected on insert row.
As shown in Figure 7, be the block diagram of the dynamical system for electric automobile.
The dynamical system for electric automobile that one embodiment of the invention proposes comprises electrokinetic cell 10, charging/discharging socket 20, two-way DC/DC module 30, drived control switch 40, two-way DC/AC module 50, motor control switch 60, charge and discharge control module 70 and controller module 80.In an embodiment of the present invention, the external discharge loop in high-tension distribution box refers to charge and discharge control module 70, two-way DC/DC module 30, two-way DC/AC module 50.When controlling described dynamical system and being in discharge condition, can externally discharge.
Wherein, first DC terminal a1 of two-way DC/DC module 30 is connected with the other end of electrokinetic cell 10, second DC terminal a2 of two-way DC/DC module 30 is connected with one end of electrokinetic cell 10, and the first DC terminal a1 is the common DC end that two-way DC/DC module 30 inputs and exports.One end of drived control switch 40 is connected with one end of electrokinetic cell 10, and the other end of drived control switch 40 is connected with the 3rd DC terminal a3 of two-way DC/DC module 30.First DC terminal b1 of two-way DC/AC module 50 is connected with the other end of drived control switch 40, second DC terminal b2 of two-way DC/AC module 50 is connected with the other end of electrokinetic cell 10, one end of motor control switch 60 is connected with the end c that exchanges of two-way DC/AC module 50, and the other end of motor control switch 60 is connected with motor M.One end of charge and discharge control module 70 is connected with the end c that exchanges of two-way DC/AC module 50, and the other end of charge and discharge control module 70 is connected with charging/discharging socket 20.Controller module 80 is connected with charge and discharge control module 70 with drived control switch 40, motor control switch 60, and controller module 80 is for controlling drived control switch 40, motor control switch 60 and charge and discharge control module 70 according to the current residing mode of operation of dynamical system.
Further, the current residing mode of operation of dynamical system can comprise drive pattern and charge and discharge mode.When the current residing mode of operation of dynamical system is drive pattern, it is closed to close two-way DC/DC module 30 that controller module 80 controls drived control switch 40, and it is closed with driven motor M to control motor control switch 60, and control charge and discharge control module 70 disconnects.When the current residing mode of operation of dynamical system is charge and discharge mode, controller module 80 controls drived control switch 40 and disconnects starting two-way DC/DC module 30, and control motor control switch 60 and disconnect motor M being shifted out, and it is closed to control charge and discharge control module 70, makes external power source normally charge for electrokinetic cell 10.First DC terminal a1 of two-way DC/DC module 30 is connected with the positive and negative terminal of DC bus with the 3rd DC terminal a3.
Fig. 8 is the topological diagram of the dynamical system of electric automobile.
As shown in Figure 8, dynamical system for electric automobile also comprises the first preliminary filling control module 101, one end of first preliminary filling control module 101 is connected with one end of electrokinetic cell 10, the other end of the first preliminary filling control module 101 is connected with the second DC terminal a2 of two-way DC/DC module 30, first preliminary filling control module 101 is for carrying out precharge for the electric capacity C1 in two-way DC/DC module 30 and bus capacitor C0, wherein, bus capacitor C0 is connected between the first DC terminal a1 of two-way DC/DC module 30 and the 3rd DC terminal a3 of two-way DC/DC module 30.Wherein, the first preliminary filling control module 101 comprises the first resistance R1, the first K switch 1 and second switch K2.One end of first resistance R1 is connected with one end of the first K switch 1, the other end of the first resistance R1 is connected with one end of electrokinetic cell 10, the other end of the first K switch 1 is connected with the second DC terminal a2 of two-way DC/DC module 30, first resistance R1 and the first K switch 1 are in parallel with second switch K2 after connecting, wherein, controller module 80 is closed to carry out precharge to the electric capacity C1 in two-way DC/DC module 30 and bus capacitor C0 in dynamical system startup control system first K switch 1, and when the voltage of bus capacitor C0 becomes preset multiple with the voltage of electrokinetic cell 10, control the first K switch 1 to disconnect and control second switch K2 simultaneously and close.
As shown in Figure 8, two-way DC/DC module 30 comprises the first switching tube Q1, second switch pipe Q2, the first diode D1, the second diode D2, the first inductance L 1 and the first electric capacity C1 further.Wherein, first switching tube Q1 and second switch pipe Q2 is connected in series mutually, first switching tube Q1 of mutual series connection and second switch pipe Q2 is connected between the first DC terminal a1 of two-way DC/DC module 30 and the 3rd DC terminal a3, the control of the controlled device module 80 of the first switching tube Q1 and second switch pipe Q2, and between the first switching tube Q1 and second switch pipe Q2, there is first node A.First diode D1 and the first switching tube Q1 reverse parallel connection, the second diode D2 and second switch pipe Q2 reverse parallel connection, one end of the first inductance L 1 is connected with first node A, and the other end of the first inductance L 1 is connected with one end of electrokinetic cell 10.One end of first electric capacity C1 is connected with the other end of the first inductance L 1, and the other end of the first electric capacity C1 is connected with the other end of electrokinetic cell 10.
In addition, as shown in Figure 8, this dynamical system being used for electric automobile also comprises leakage current and cuts down module 102, and leakage current is cut down module 102 and is connected between the first DC terminal a1 of two-way DC/DC module 30 and the 3rd DC terminal a3 of two-way DC/DC module 30.Specifically, leakage current is cut down module 102 and is comprised the second electric capacity C2 and the 3rd electric capacity C3, one end of second electric capacity C2 is connected with one end of the 3rd electric capacity C3, the other end of the second electric capacity C2 is connected with the first DC terminal a1 of two-way DC/DC module 30, the other end of the 3rd electric capacity C3 is connected with the 3rd DC terminal a3 of two-way DC/DC module 30, wherein, between the second electric capacity C2 and the 3rd electric capacity C3, there is Section Point B.
Usually due to inversion and the grid-connected system of transless isolation, the difficult point that ubiquity leakage current is large.Therefore, this dynamical system increases leakage current at DC bus positive and negative terminal and cuts down module 102, can effectively reduce leakage current.Leakage current is cut down module 102 and is comprised two electric capacity C2 and C3 of the same type, it is arranged between DC bus positive and negative terminal and three-phase alternating current midpoint potential, the high-frequency current of generation can be fed back to DC side when native system works, system high-frequency leakage current operationally can be effectively reduced.
Further, as shown in Figure 8, this dynamical system being used for electric automobile also comprises filtration module 103, filtering control module 104, EMI module 105 and the second preliminary filling control module 106.
Wherein, filtration module 103 is connected between two-way DC/AC module 50 and charge and discharge control module 70.Specifically, as shown in Figure 5, filtration module 103 comprises inductance L
a, L
b, L
cwith electric capacity C4, C5, C6, and two-way DC/AC module 50 can comprise six IGBT, and the tie point between upper and lower two IGBT is connected with motor control switch 60 with filtration module 103 respectively by electrical bus.
As shown in Figure 8, filtering control module 104 is connected between Section Point B and filtration module 103, and the controlled device module 80 of filtering control module 104 controls, controller module 80 controls filtering control module 104 when the current residing mode of operation of dynamical system is drive pattern and disconnects.Wherein, filtering control module 104 can be electric capacity transfer relay, is made up of contactor K10.EMI module 105 is connected between charging/discharging socket 20 and charge and discharge control module 70.It should be noted that, the position of contactor k10 is only schematic in the accompanying drawings.In other embodiments of the invention, contactor K10 also can be located at other positions, as long as can realize the shutoff to filtration module 103.Such as, in another embodiment of the present invention, this contactor K10 also can be connected between two-way DC/AC module 50 and filtration module 103.
Second preliminary filling module 106 is in parallel with charge and discharge control module 70, and the second preliminary filling control module 106 is for carrying out precharge to electric capacity C4, C5, the C6 in filtration module 103.Wherein, the second preliminary filling control module 106 comprises three resistance R of series connection mutually
a, R
b, R
cwith three-phase preliminary filling K switch 9.
As shown in Figure 8, charge and discharge control module 70 comprises threephase switch K8 and/or single-phase switch K7 further, for realizing three-phase discharge and recharge or single-phase discharge and recharge.
That is, when dynamical system starts, it is closed to carry out precharge to the first electric capacity C1 in two-way DC/DC module 30 and bus capacitor C0 that controller module 80 controls the first K switch 1, and when the voltage of bus capacitor C0 becomes preset multiple with the voltage of electrokinetic cell 10, control the first K switch 1 and disconnect and control second switch K2 simultaneously and close.Like this, the critical piece of battery low-temp activation technology is realized by two-way DC/DC module 30 and the Large Copacity bus capacitor C0 composition be connected directly between electrical bus and DC bus, for the electric energy of electrokinetic cell 10 is charged in Large Copacity bus capacitor C0 by two-way DC/DC module 30, when again the electric energy stored in Large Copacity bus capacitor C0 being filled back electrokinetic cell 10(namely to power battery charging by two-way DC/DC module 30), make the temperature of electrokinetic cell rise to optimum working temperature scope to electrokinetic cell 10 cycle charge-discharge.
When the current residing mode of operation of dynamical system is drive pattern, it is closed to close two-way DC/DC module 30 that controller module 80 controls drived control switch 40, and it is closed with driven motor M to control motor control switch 60, and control charge and discharge control module 70 disconnects.It should be noted that, in an embodiment of the present invention, although motor control switch 60 includes three switches be connected with the input of motor three-phase in accompanying drawing, two switches be connected with the input of motor two-phase also can be comprised in other embodiments of the invention, even a switch.As long as the control to motor can be realized at this.Therefore, other embodiments do not repeat them here.Like this, by two-way DC/AC module 50 DC inverter of electrokinetic cell 10 be alternating current and flow to motor M, can utilize and rotate transformation decoder technique and space vector pulse width modulation (SVPWM) control algolithm to control the operation of motor M.
When the current residing mode of operation of dynamical system is charge and discharge mode, controller module 80 controls drived control switch 40 and disconnects starting two-way DC/DC module 30, and control motor control switch 60 and disconnect motor M being shifted out, and it is closed to control charge and discharge control module 70, makes external power source such as three-phase electricity or single-phase electricity can normally be charged for electrokinetic cell 10 by charging/discharging socket 20.Namely say, by detecting the relevant information of charging connection signal, AC network electricity system and car load battery management, use two-way DC/AC module 50 and carry out controlled rectification function, and in conjunction with two-way DC/DC module 30, can realize single-phase electricity three-phase electricity to the charging of vehicle mounted dynamic battery 10.
According to the above-mentioned dynamical system for electric automobile, can realize using civilian or industrial AC network to carry out high power AC charging to electric automobile, user can efficiently, efficiently be charged whenever and wherever possible, save the charging interval, simultaneously without the need to constant-pressure control device and constant-current control device, save space and cost, and be suitable for battery operating voltage wide ranges.
Fig. 9 is the connection diagram of electric automobile to housed device, industrial electricity apparatus electric discharge.
Particularly, as shown in Figure 9, at electric automobile in electric automobile electric discharge connection diagram, comprising: electric automobile, vehicle to discharge jockey to insert row.
Electric automobile to discharge jockey to insert row, mainly plays connection.As shown in Figure 10, electric automobile is to insert row electric discharge jockey schematic diagram, and insert row electric discharge jockey is the jockey of connecting electric automobile and outside housed device.Wherein one end is AC charging rifle, and namely this end is connected with electric automobile, and one end is the family expenses insert row complied with the national standard requirements in addition, and namely this end is connected with the plug of housed device, and family expenses insert row end band automatically resets and insures and relay indicating light.
Figure 11 is that electric automobile is to housed device, industrial electricity apparatus discharge scheme system block diagram.
Particularly, electric automobile when discharging to housed device, whole system need participation work just like lower module: instrument is for gathering discharge switch signal, discharge mode signal, and display discharge information, fault message; Battery manager, for gathering electrokinetic cell state information, judges that can electrokinetic cell externally discharge, and controls to connect current supply circuit in high-tension distribution box; High-tension distribution box, for connecting electrokinetic cell and controller, enables electrokinetic cell to controller for direct current; Controller is by being provided DC inverter to become alternating current electrokinetic cell; Wherein, to carry out CAN message mutual for controller and instrument and battery manager; AC charging mouth is connection control device and external home power consumption equipment, and the alternating current that controller is provided externally exports in portion; Electrokinetic cell is store electrical energy, when needs externally discharge, is externally discharged by the electric energy of storage.
The function of motor drive controller is entered expansion and is extended by this electric automobile, utilizes it can the function of inverse of the DC into AC, makes motor vehicle realize to provide outside the function of standard household AC electrical to car load after changing.Further, in grid power blackout or the position leaving electrical network, electric motor car externally can provide household AC power as a kind of alternative energy storage device, to tackle some emergency case.This has widened the use field of electric motor car greatly, brings more convenience also can to the life of people simultaneously.
Electric automobile can be divided into preparatory stage and discharge regime and ending phase of discharging to the implementation procedure of housed device discharge scheme.
Figure 12 is the workflow diagram of electric automobile to housed device, industrial electricity apparatus electric discharge preparatory stage each module.Figure 13 is the workflow diagram of electric automobile to housed device, industrial electricity apparatus discharge regime, each module of electric discharge ending phase.
As shown in figure 12, for electric automobile discharges the preparatory stage to housed device, the workflow of each module of electric automobile.For the preparatory stage of electric automobile to the implementation procedure of housed device discharge scheme, particularly, when on electric automobile OK shelves electricity and under being in P shelves state, instrument is started working, press external discharge button on instrument board to activate " electric discharge arranges interface " of instrument, by arranging power consumption equipment by " selection " and " determination " button on steering wheel for " household equipment ", wherein power consumption equipment can also comprise " industrial equipment " and " chargeable vehicle ", when set discharge mode for " to household equipment electric discharge " after, instrument can send " discharge mode " message notifying electric vehicle controller and eject prompting and " please connect discharge equipment ", when judging that electric automobile can externally discharge, then eject prompting, wherein, information comprises: connection status, current electric quantity, discharging current and power consumption equipment.Such as: when judging that electric automobile can externally discharge, then eject and prompt for successful connection, discharge; Current electric quantity: 50%, discharging current: 10A; Power consumption equipment: household equipment; When judging that electric automobile can not externally discharge, then eject and prompt for connection failure, please check vehicles discharge system.
Further, under the state that controller enters work, first judged whether electric automobile gear signal, if there is electric automobile gear signal, then electric automobile enters drive pattern; If there is no electric automobile gear signal, then can continue to detect CC signal to judge whether charging gun is connected on vehicle after controller receives " discharge mode " message of instrument, particularly, controller needs to judge whether charge port CC signal connects, and whether resistance value is 470 Ω on CC, if CC signal do not detected, and on CC, resistance value is not 470 Ω, then " vehicle externally discharges and the do not allow " information that sends is to instrument; If after CC signal being detected, and resistance value is 470 Ω on CC, then continue to judge that whether electric automobile gear is at P shelves, motor is in non-drive pattern state, if electric automobile gear is not at P shelves, motor is not in non-drive pattern state, then " vehicle externally discharges and the do not allow " information that sends is to instrument; If electric automobile gear is at P shelves, motor is in non-drive pattern state, then controller switches internal circuit is externally electric discharge, does not respond gear-change operation, controller self-inspection fault-free during discharge mode, send " controller electric discharge is ready ", judge whether to receive " battery system is ready " state message, if receive " battery system is ready " state message, the ready message of transmit control device, and adhesive exchanges output switch, send " vehicle externally discharge beginning " information; If do not receive " battery system is ready " state message, " vehicle externally discharges and the do not allow " information that sends is to instrument.
And for battery manager, when battery manager works, first self-inspection judges whether externally to discharge, if self-inspection can not externally be discharged, then send " electric discharge does not allow ", wherein, do not allow external discharging condition be battery temperature too high or too low and or cell voltage or the too low arbitrary situation of SOC, after receiving the ready message of controller, control external discharge loop in adhesive distribution box, and send " battery system is ready " message.
Further, after controller receives " the ready message of battery system ", connect and externally export and start working, and externally export standard household AC electrical, concurrent veering away establishes beginning message by cable.
Figure 13 is the workflow diagram of electric automobile to housed device, industrial electricity apparatus discharge regime, each module of electric discharge ending phase.
For discharge regime, the electric discharge ending phase of electric automobile to the implementation procedure of housed device discharge scheme, particularly, in discharge process, instrument shows electric automobile discharge scenario always, and controller detects the electric discharge end message of whether instrument, controller whether fault, external equipment whether fault always; Battery whether fault, battery manager detects battery status, battery system whether fault always.
If when having following situation to occur, controller stops foreign exchanges exporting: at the end of controller receives instrument electric discharge, controller cuts off foreign exchanges and exports, the concurrent electric end message that veers away, battery manager receives rear switching distribution box home loop, makes vehicle again be in OK shelves state; When controller receives the battery system fault of battery manager transmission, controller cuts off foreign exchanges and exports, and instrument receives rear display fault; When controller receives external equipment fault, controller cuts off foreign exchanges and exports, and instrument receives rear display fault, and wherein, external equipment fault is overcurrent, short circuit, connects one or more compound modes of fault; After controller detects faults itself, controller cuts off foreign exchanges and exports, and sends controller failure message, and instrument receives rear display fault, and battery manager is switched to corresponding state according to failure condition.
Further, in external discharge process, also comprise following situation, controller stops foreign exchanges exporting: Vehicular battery SOC is too low; Press control of discharge button, close and externally discharge.
According to the electric discharge device of the electric automobile of the embodiment of the present invention, when electric automobile OK shelves electricity, set and housed device is discharged, then electric automobile is connected to electric automobile to insert row electric discharge jockey, electric automobile detect connect normal and under not having out of order situation, externally exported the household electric of electric pressure identical with electrical network, same frequency by the AC charging mouth of electric automobile, just can normally use as long as housed device is connected on insert row.The electric discharge device of this electric automobile has expanded the scope of application of electric motor car, enables electric motor car momentarily to the domestic power supply that people provide convenience.
The present invention also proposes a kind of electric automobile, comprises the electric discharge device 100 of the electric automobile of above-described embodiment.
According to the electric automobile of the embodiment of the present invention, when electric automobile OK shelves electricity, set and housed device is discharged, then electric automobile is connected to electric automobile to insert row electric discharge jockey, electric automobile detect connect normal and under not having out of order situation, externally exported the household electric of electric pressure identical with electrical network, same frequency by the AC charging mouth of electric automobile, just can normally use as long as housed device is connected on insert row.The scope of application of electric motor car expanded by this electric automobile, enables electric motor car momentarily to the domestic power supply that people provide convenience.
Describe and can be understood in flow chart or in this any process otherwise described or method, represent and comprise one or more for realizing the module of the code of the executable instruction of the step of specific logical function or process, fragment or part, and the scope of the preferred embodiment of the present invention comprises other realization, wherein can not according to order that is shown or that discuss, comprise according to involved function by the mode while of basic or by contrary order, carry out n-back test, this should understand by embodiments of the invention person of ordinary skill in the field.
In flow charts represent or in this logic otherwise described and/or step, such as, the sequencing list of the executable instruction for realizing logic function can be considered to, may be embodied in any computer-readable medium, for instruction execution system, device or equipment (as computer based system, comprise the system of processor or other can from instruction execution system, device or equipment instruction fetch and perform the system of instruction) use, or to use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can to comprise, store, communicate, propagate or transmission procedure for instruction execution system, device or equipment or the device that uses in conjunction with these instruction execution systems, device or equipment.The example more specifically (non-exhaustive list) of computer-readable medium comprises following: the electrical connection section (electronic installation) with one or more wiring, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), erasablely edit read-only memory (EPROM or flash memory), fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium can be even paper or other suitable media that can print described program thereon, because can such as by carrying out optical scanner to paper or other media, then carry out editing, decipher or carry out process with other suitable methods if desired and electronically obtain described program, be then stored in computer storage.
Should be appreciated that each several part of the present invention can realize with hardware, software, firmware or their combination.In the above-described embodiment, multiple step or method can with to store in memory and the software performed by suitable instruction execution system or firmware realize.Such as, if realized with hardware, the same in another embodiment, can realize by any one in following technology well known in the art or their combination: the discrete logic with the logic gates for realizing logic function to data-signal, there is the application-specific integrated circuit (ASIC) of suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that realizing all or part of step that above-described embodiment method carries is that the hardware that can carry out instruction relevant by program completes, described program can be stored in a kind of computer-readable recording medium, this program perform time, step comprising embodiment of the method one or a combination set of.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing module, also can be that the independent physics of unit exists, also can be integrated in a module by two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, and the form of software function module also can be adopted to realize.If described integrated module using the form of software function module realize and as independently production marketing or use time, also can be stored in a computer read/write memory medium.
The above-mentioned storage medium mentioned can be read-only memory, disk or CD etc.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, identical embodiment or example are not necessarily referred to the schematic representation of above-mentioned term.And the specific features of description, structure, material or feature can combine in an appropriate manner in any one or more embodiment or example.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, those of ordinary skill in the art can change above-described embodiment within the scope of the invention when not departing from principle of the present invention and aim, revising, replacing and modification.
Claims (10)
1. an electric discharge device for electric automobile, is characterized in that, comprising:
AC charging mouth,
Charging connecting device, one end of described charging connecting device is connected with described AC charging mouth, and the other end is connected with external equipment, for the alternating current exported by described AC charging mouth is delivered to described external equipment;
Instrument, described instrument is used for receiving under triggering signal, sends electric discharge preparation instruction;
Controller, whether described controller communicates with described instrument, for after receiving described electric discharge preparation instruction, detect described charging connecting device and be connected with described AC charging mouth, if it is switch to external discharge mode; And
Battery manager, described battery manager communicates with described controller, for after described controller switches to external discharge mode, controls the external discharge loop in the high-tension distribution box of electric automobile described in adhesive;
Electrokinetic cell, electrokinetic cell is connected with described high-tension distribution box, for providing direct current by the external discharge loop in high-tension distribution box;
Wherein, described controller is converted to alternating current to the direct current that described external discharge loop provides, and exports described AC charging mouth to realize the electric discharge to described external equipment.
2. the electric discharge device of electric automobile as claimed in claim 1, it is characterized in that, described instrument is communicated by controller local area network's CAN with described controller, and described controller is communicated by described CAN with described battery manager.
3. the electric discharge device of electric automobile as claimed in claim 1, it is characterized in that, described charging connecting device comprises:
Charging gun, described charging gun is positioned at one end of described charging connecting device, is connected with described AC charging mouth;
Insert row, described insert row is positioned at the other end of described charging connecting device, is connected with the plug of described external equipment.
4. the electric discharge device of electric automobile as claimed in claim 1, it is characterized in that, described controller is also for after detecting that described charging connecting device is connected with described AC charging mouth, whether the current gear of the described electric automobile of further detection is P shelves, if so, then external discharge mode is switched to.
5. the electric discharge device of electric automobile as claimed in claim 1, is characterized in that, described controller also in discharge process, the internal circuit of real-time measure and control device and described external equipment whether fault.
6. the electric discharge device of electric automobile as claimed in claim 5, is characterized in that, described controller, also for when described internal circuit and/or described external equipment fault being detected, stops exporting described alternating current.
7. the electric discharge device of electric automobile as claimed in claim 1, it is characterized in that, described battery manager is also for detecting the current electric quantity of described electrokinetic cell and described electrokinetic cell whether fault in real time, and upon failure detection, battery failures instruction is sent to described controller, described controller, after receiving described battery failures instruction, stops exporting described alternating current.
8. the electric discharge device of electric automobile as claimed in claim 1, is characterized in that, described controller, also for after the electric discharge END instruction receiving described instrument, stops exporting described alternating current.
9. the electric discharge device of electric automobile as claimed in claim 1, it is characterized in that, described controller is also for detecting present discharge electric current in real time.
10. an electric automobile, is characterized in that, comprises the electric discharge device of the electric automobile described in any one of claim 1-9.
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| CN201210592442.0A CN103187771B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and electric discharge device thereof |
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| CN201210592172.3A Active CN103187768B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and discharging device thereof |
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| CN201210591810.XA Active CN103187762B (en) | 2011-12-31 | 2012-12-31 | High-power charging system and control method thereof for electric automobile |
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| CN201210592172.3A Active CN103187768B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and discharging device thereof |
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| CN201210591810.XA Active CN103187762B (en) | 2011-12-31 | 2012-12-31 | High-power charging system and control method thereof for electric automobile |
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| CN201210591832.6A Active CN103182950B (en) | 2011-12-31 | 2012-12-31 | For the interlock method of Vehicular charging and traveling |
| CN201210591058.9A Active CN103187779B (en) | 2011-12-31 | 2012-12-31 | The charging method of electric automobile and charging device |
| CN201210593394.7A Active CN103182951B (en) | 2011-12-31 | 2012-12-31 | Electronlmobil and integrated control system thereof |
| CN201210590380.XA Active CN103187760B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and the active bleed-off system for electric automobile |
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