CN103187771A - Electric automobile and discharging device thereof - Google Patents
Electric automobile and discharging device thereof Download PDFInfo
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- CN103187771A CN103187771A CN2012105924420A CN201210592442A CN103187771A CN 103187771 A CN103187771 A CN 103187771A CN 2012105924420 A CN2012105924420 A CN 2012105924420A CN 201210592442 A CN201210592442 A CN 201210592442A CN 103187771 A CN103187771 A CN 103187771A
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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
Abstract
The invention discloses a discharging device of an electric automobile. The discharging device comprises an alternating current charging port, a charging connection device, a meter, a controller, a battery manager and a power battery, wherein the charging connection device is used for delivering alternating current electricity output from the alternating current charging port to external equipment, the meter is used for sending out a discharge preparation command when a trigger signal is received, the controller is in communication with the meter, is used for detecting whether the charging connection device is connected with the alternating current charging port or not after the discharging preparation command is received, and is switched to be in an external discharging mode if the charging connection device is connected with the alternating current charging port; the battery manager is in communication with the controller, is used for controlling an external discharging loop in a high-voltage distribution cabinet which is used for actuating the electric automobile after the controller is switched to be in the external discharging mode; and the power battery is connected with the high-voltage distribution cabinet, and is used for providing direct current electricity through the external discharging loop in the high-voltage distribution cabinet. The discharging device of the electric automobile can be used for expanding the application range of electric automobiles, so that the electric automobiles can provide convenient civil power supply to people anytime. The invention also provides the electric automobile.
Description
Technical field
The present invention relates to automobile control technology field, particularly a kind of electric automobile and electric discharge device thereof.
Background technology
Along with development of science and technology, the electric automobile of environmental protection and energy saving is being played the part of the role who replaces fuel vehicle, yet popularizing of electric automobile also is faced with some problems, and wherein high continuation of the journey mileage and charging technique have efficiently become a great problem of electric automobile popularization.
At present, electric automobile adopts jumbo battery mostly, though can improve the flying power of electric automobile, same jumbo battery has brought long problem of charging interval again.Though can charge for battery fast in the DC charging station of specialty, but problems such as the cost of great number and big floor space make popularizing of this infrastructure also be faced with certain degree of difficulty, again because the space of vehicle is limited, onboard charger is subjected to the restriction of volume and can't satisfies charge power simultaneously.
The charging scheme of taking on the market has following several now:
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 elements compositions three-phase bridge circuit 2 ', constant voltage control device AUR and constant-current control device ACR, but this scheme serious waste space and cost.
Scheme (2): as shown in Figure 3, the vehicle-mounted charge and discharge device in this scheme is installed two charging sockets 15 ', 16 ', has been increased cost for adapting to list/three-phase charging; The motor-driven loop comprises the filtration module of inductance L 1 ' and capacitor C 1 ' composition, and when motor-driven, three-phase current produces loss through filtration module, is the waste to battery electric quantity; Inverter 13 ' carried out rectification/inversion to alternating current when this scheme discharged and recharged work, and voltage is unadjustable after rectification/inversion, and it is narrow to be suitable for battery operated voltage range.
In sum, the AC charging technology of taking in the market adopts the individual event charging technique mostly, and this technology exists that charge power is little, the charging interval is long, the hardware volume is big, function singleness, be subject to the shortcomings such as electric pressure restriction of different regions electrical network.
In addition, in original electric motor car only electric energy that electrokinetic cell is stored give the motor-driven vehicle usefulness of travelling.When vehicle is under the OK shelves, after vehicle collected gear signal and throttle signal, the dc inverter that motor drive controller provides battery became behind the alternating current to motor output, drove motor and rotated to drive vehicle and travel.Electric automobile is equipped with the energy storage device that capacity is big and quality is really up to the mark: electrokinetic cell.Original motor vehicle only provides electrokinetic cell the device of the energy to use as travelling to vehicle, make the use of the electric energy that electrokinetic cell stores too limit to.
Along with continuous progress in science and technology, people's the life more and more Energy and comfort that becomes, the development of all trades and professions is closeness to life more all also.In original electric motor car only electric energy that electrokinetic cell is stored give the motor-driven vehicle usefulness of travelling.When vehicle is under the OK shelves, after vehicle collected gear signal and throttle signal, the dc inverter that motor drive controller provides battery became behind the alternating current to motor output, drove motor and rotated to drive vehicle and travel.
Summary of the invention
Purpose of the present invention is intended to solve at least one of described technological deficiency.
For this reason, first purpose of the present invention is to propose a kind of electric discharge device of electric automobile, and this electric automobile has been expanded the scope of application of electric motor car, the domestic power supply that electric motor car can momentarily be provided convenience to people.Second purpose 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: the AC charging mouth, the charging jockey, one end of described charging jockey is connected with described AC charging mouth, the other end is connected with external equipment, is used for being delivered to described external equipment by the alternating current of described AC charging mouth output; Instrument, described instrument are used for receiving under the triggering signal, send the discharge preparation instruction; Controller, whether described controller and described instrument communicate, be used for detecting described charging jockey and being connected with described AC charging mouth, if then switch to external discharge mode after receiving described discharge preparation instruction; And battery manager, described battery manager and described controller communicate, and are used for after described controller switches to external discharge mode the external discharge loop in the high-tension distribution box of the described electric automobile of control adhesive; Electrokinetic cell, electrokinetic cell links to each other with described high-tension distribution box, and being used for provides direct current by the external discharge loop in the high-tension distribution box; Wherein, the direct current that the described external discharge loop of described controller provides is converted to alternating current, and exports described AC charging mouth to realize the discharge to described external equipment.
Electric discharge device according to the electric automobile of the embodiment of the invention, when the OK shelves are electric on electric automobile, set housed device is discharged, then electric automobile is connected to electric automobile to insert row discharge jockey, electric automobile detects connection normally and does not have under the situation of fault, AC charging mouth by electric automobile is the tame electricity consumption of the identical electric pressure with electrical network of output, same frequency externally, needs only housed device is connected on the insert row just can normally use.The electric discharge device of this electric automobile has been expanded the scope of application of electric motor car, the domestic power supply that electric motor car can momentarily be provided convenience to people.
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.
Electric automobile according to the embodiment of the invention, when electric automobile OK shelves electricity, set housed device is discharged, then electric automobile is connected to electric automobile to insert row discharge jockey, electric automobile detects connection normally and does not have under the situation of fault, AC charging mouth by electric automobile is the tame electricity consumption of the identical electric pressure with electrical network of output, same frequency externally, needs only housed device is connected on the insert row just can normally use.This electric automobile has been expanded the scope of application of electric motor car, the domestic power supply that electric motor car can momentarily be provided convenience to people.
Additional aspect of the present invention and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment in conjunction with following accompanying drawing, 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 according to the electric automobile of the embodiment of the invention;
Fig. 5 is the electric discharge device structural representation of electric automobile according to another embodiment of the present invention;
Fig. 6 is that discharge connects topological diagram to electric automobile to insert row;
Fig. 7 is for being used for the block diagram of Electric Vehicle power system;
Fig. 8 is the topological diagram of Electric Vehicle power system;
Fig. 9 is that the electric discharge device of electric automobile is to the connection diagram of housed device, industrial electricity apparatus discharge;
Figure 10 is that the electric discharge device of electric automobile is to insert row 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 discharge each module of preparatory stage; 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 discharge ending phase.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical or similar label is represented identical or similar elements or the element with identical or similar functions from start to finish.Be exemplary below by the embodiment that is described with reference to the drawings, be intended to for explaining the present invention, and can not be interpreted as limitation of the present invention.
In description of the invention, it will be appreciated that, term " " center "; " vertically "; " laterally "; " length "; " width "; " thickness ", " on ", D score, " preceding ", " back ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", close the orientation of indications such as " counterclockwise " or position is based on orientation shown in the drawings or position relation, only be that the present invention for convenience of description and simplification are described, rather than device or the element of indication or hint indication must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as limitation of the present invention.
In addition, term " first ", " second " only are used for describing purpose, and can not be interpreted as indication or hint relative importance or the implicit quantity that indicates indicated technical characterictic.Thus, one or more these features can be expressed or impliedly be comprised to the feature that is limited with " first ", " second ".In description of the invention, the implication of " a plurality of " is two or more, unless clear and definite concrete restriction is arranged in addition.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, broad understanding should be done in terms such as term " installation ", " linking to each other ", " connection ", " fixing ", for example, can be fixedly connected, also can be to removably connect, or connect integratedly; Can be mechanical connection, also can be to be electrically connected; Can be directly to link to each other, also can link to each other indirectly by intermediary, can be the connection of two element internals.For the ordinary skill in the art, can understand above-mentioned term concrete implication in the present invention as the case may be.
In the present invention, unless clear and definite regulation and restriction are arranged in addition, first feature second feature it " on " or D score can comprise that first and second features directly contact, can comprise that also first and second features are not directly contacts but by the contact of the additional features between them.And, first feature second feature " on ", " top " and " above " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is higher than second feature.First feature second feature " under ", " below " and " below " comprise first feature directly over second feature and oblique upper, or only represent that the first characteristic level height is less than second feature.
Fig. 4 is the structural representation according to the electric discharge device of the electric automobile of the embodiment of the invention.
As shown in Figure 4, the electric discharge device 100 of the electric automobile of the embodiment of the invention comprises: AC charging mouth 110, charging jockey 120, instrument 130, controller 140, battery manager 150 and electrokinetic cell 160.
One end of charging jockey 120 is connected with AC charging mouth 110, and the other end is connected with external equipment, is used for being delivered to external equipment by the alternating current of AC charging mouth 110 outputs.
Particularly, as shown in Figure 5, the electric discharge device 100 of the electric automobile of another embodiment of the present invention, charging jockey 120 also comprises: charging rifle 1201 and insert row 1202.
Charging rifle 1201 is positioned at an end of charging jockey, links to each other with AC charging mouth 110.
Insert row 1202 is positioned at the other end of charging jockey, is connected with the plug of external equipment.
Whether controller 140 communicates with instrument 130, is used for receiving under the triggering signal receiving instrument 130, behind the discharge preparation instruction of transmission, detect charging jockey 120 and be connected with AC charging mouth 110, if then switch to external discharge mode.In an embodiment of the present invention, externally discharge mode can be single-phase discharge mode and also can be the three-phase discharge mode.
Particularly, instrument 130 and controller 140 communicate by controller local area network's CAN bus, and controller 140 and battery manager 150 communicate by the CAN bus.
Further, controller 140 also is used for after detecting charging jockey 120 and AC charging mouth 110 is connected, and whether the current gear that further detects electric automobile is the P gear, if then switch to external discharge mode; Controller 140 also is used at discharge process, detects whether fault of the internal circuit of controller 140 and external equipment in real time; Controller 140 also is used for stopping the output AC electricity, for example single-phase alternating current or three-phase alternating current when detecting internal circuit and/or external equipment fault; Controller 140 also is used for stopping output AC after the discharge END instruction that receives instrument 130; Controller 140 also is used for detecting current discharging current in real time, and wherein, alternating current is the alternating current of 220V/50Hz.Certainly in other embodiments of the invention, can adopt three-phase alternating current, its discharge voltage can be adjusted, as long as can meet the use standard of housed device.
Battery manager 150 communicates with controller 140, is used for after controller 140 switches to external discharge mode the external discharge loop in the high-tension distribution box of control adhesive electric automobile.
Particularly, battery manager 150 also is used for detecting in real time whether fault of the current electric quantity of electrokinetic cell and electrokinetic cell 160, and after detecting fault, sends the battery failures instruction to controller 140, controller 140 stops output AC after receiving the battery failures instruction.
Electrokinetic cell 160 links to each other with high-tension distribution box, and being used for provides direct current by the external discharge loop in the high-tension distribution box.
Wherein, the direct current that controller 140 external discharge loops provide is converted to alternating current, and exports AC charging mouth 110 to realize the discharge to external equipment.
Electric discharge device according to the electric automobile of the embodiment of the invention, when electric automobile OK shelves electricity, set housed device is discharged, then electric automobile is connected to electric automobile to insert row discharge jockey, electric automobile detects connection normally and does not have under the situation of fault, AC charging mouth by electric automobile is the tame electricity consumption of the identical electric pressure with electrical network of output, same frequency externally, needs only housed device is connected on the insert row just can normally use.The electric discharge device of this electric automobile has been expanded the scope of application of electric motor car, the domestic power supply that electric motor car can momentarily be provided convenience to people.
Fig. 6 is that discharge connects topological diagram to electric automobile to insert row.
As shown in Figure 6, electric automobile is to comprising in the insert row discharge connection topological diagram: controller, insert row, controller of vehicle.
Particularly, because electric automobile only uses as power supply when externally powering, external equipment and electric automobile are not controlled the mutual of confirmation signal (CP), so electric automobile on the charging rifle of insert row discharge jockey without the need for confirmation signal (CP) holding wire, only need have to connect and confirm CC, European standard is called the PP holding wire.Wherein, resistance value is decided to be 470 Ω with the situation of difference charging on the CC holding wire, allows controller secondary detection confirm that electric automobile is for the state to the housed device discharge.
Further, when the OK shelves are electric on electric automobile, set housed device is discharged, then electric automobile is connected to electric automobile to insert row discharge jockey, electric automobile detects connection normally and does not have under the situation of fault, by the externally tame electricity consumption of the identical electric pressure with electrical network of output, same frequency of AC charging mouth of electric automobile.At this moment, just can normally use as long as housed device is connected on the insert row.
As shown in Figure 7, for being used for the block diagram of Electric Vehicle power system.
One embodiment of the invention proposes is used for that Electric Vehicle power system comprises electrokinetic cell 10, discharges and recharges socket 20, two-way DC/DC module 30, drive control switch 40, two-way DC/AC module 50, motor control switch 60, discharge and recharge control module 70 and controller module 80.In an embodiment of the present invention, the external discharge loop in the high-tension distribution box refers to discharge and recharge control module 70, two-way DC/DC module 30, two-way DC/AC module 50.When the described dynamical system of control is in discharge condition, can externally discharge.
Wherein, the first dc terminal a1 of two-way DC/DC module 30 links to each other with the other end of electrokinetic cell 10, the second dc terminal a2 of two-way DC/DC module 30 links to each other with an end of electrokinetic cell 10, and the first dc terminal a1 is the common DC end of two-way DC/DC module 30 inputs and output.An end that drives control switch 40 links to each other with an end of electrokinetic cell 10, and the other end that drives control switch 40 links to each other with the 3rd dc terminal a3 of two-way DC/DC module 30.The first dc terminal b1 of two-way DC/AC module 50 links to each other with the other end that drives control switch 40, the second dc terminal b2 of two-way DC/AC module 50 links to each other with the other end of electrokinetic cell 10, one end of motor control switch 60 links to each other with the end c that exchanges of two-way DC/AC module 50, and the other end of motor control switch 60 links to each other with motor M.An end that discharges and recharges control module 70 links to each other with the end c that exchanges of two-way DC/AC module 50, the other end that discharges and recharges control module 70 with discharge and recharge socket 20 and link to each other.Controller module 80 links to each other with driving control switch 40, motor control switch 60 and discharge and recharge control module 70, and controller module 80 is used for according to dynamical system present located mode of operation to driving control switch 40, motor control switch 60 with discharge and recharge control module 70 and control.
Further, dynamical system present located mode of operation can comprise drive pattern and charge and discharge mode.When dynamical system present located mode of operation is drive pattern, controller module 80 controls drive control switch 40 closures to close two-way DC/DC module 30, and control motor control switch 60 closures with the driven motor M, and control discharges and recharges control module 70 disconnections.When dynamical system present located mode of operation is charge and discharge mode, controller module 80 controls drive control switch 40 and disconnect starting two-way DC/DC module 30, and control motor control switch 60 disconnects so that motor M is shifted out, and control discharge and recharge control module 70 closures, external power source can normally be charged for electrokinetic cell 10.The first dc terminal a1 of two-way DC/DC module 30 links to each other with the positive and negative terminal of dc bus with the 3rd dc terminal a3.
Fig. 8 is the topological diagram of Electric Vehicle power system.
As shown in Figure 8, be used for Electric Vehicle power system and also comprise the first preliminary filling control module 101, one end of the first preliminary filling control module 101 links to each other with an end of electrokinetic cell 10, the other end of the first preliminary filling control module 101 links to each other with the second dc terminal a2 of two-way DC/DC module 30, the first preliminary filling control module 101 is used for carrying out precharge for the capacitor C 1 of two-way DC/DC module 30 and bus capacitor C0, wherein, bus capacitor C0 is connected between the 3rd dc terminal a3 of the first dc terminal a1 of two-way DC/DC module 30 and two-way DC/DC module 30.Wherein, the first preliminary filling control module 101 comprises first resistance R 1, first K switch 1 and second switch K2.One end of first resistance R 1 links to each other with an end of first K switch 1, the other end of first resistance R 1 links to each other with an end of electrokinetic cell 10, the other end of first K switch 1 links to each other with the second dc terminal a2 of two-way DC/DC module 30, in parallel with second switch K2 after first resistance R 1 and 1 series connection of first K switch, wherein, controller module 80 in dynamical system startup control system first K switch 1 closure so that the capacitor C 1 in the two-way DC/DC module 30 and bus capacitor C0 are carried out precharge, and when the voltage of bus capacitor C0 becomes preset multiple with the voltage of electrokinetic cell 10, control 1 disconnection of first K switch and control second switch K2 closure simultaneously.
As shown in Figure 8, two-way DC/DC module 30 further comprises the first switching tube Q1, second switch pipe Q2, the first diode D1, the second diode D2, first inductance L 1 and first capacitor C 1.Wherein, the first switching tube Q1 and second switch pipe Q2 are connected in series mutually, mutually between the first dc terminal a1 and the 3rd dc terminal a3 that the first switching tube Q1 of series connection and second switch pipe Q2 are connected two-way DC/DC module 30, the control of the first switching tube Q1 and the controlled device module 80 of second switch pipe Q2, and have first node A between the first switching tube Q1 and the second switch pipe Q2.The first diode D1 and the first switching tube Q1 reverse parallel connection, the second diode D2 and second switch pipe Q2 reverse parallel connection, an end of first inductance L 1 links to each other with first node A, and the other end of first inductance L 1 links to each other with an end of electrokinetic cell 10.One end of first capacitor C 1 links to each other with the other end of first inductance L 1, and the other end of first capacitor C 1 links to each other with the other end of electrokinetic cell 10.
In addition, as shown in Figure 8, should be used for Electric Vehicle power system and comprise also that leakage current cut down module 102, leakage current is cut down between the 3rd dc terminal a3 of the first dc terminal a1 that module 102 is connected two-way DC/DC module 30 and two-way DC/DC module 30.Particularly, leakage current is cut down module 102 and is comprised second capacitor C 2 and the 3rd capacitor C 3, one end of second capacitor C 2 links to each other with an end of the 3rd capacitor C 3, the other end of second capacitor C 2 links to each other with the first dc terminal a1 of two-way DC/DC module 30, the other end of the 3rd capacitor C 3 links to each other with the 3rd dc terminal a3 of two-way DC/DC module 30, wherein, has Section Point B between second capacitor C 2 and the 3rd capacitor C 3.
Common inversion and grid-connected system owing to the transless isolation, the difficult point that the ubiquity leakage current is big.Therefore, this dynamical system increases leakage current at the 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 capacitor C 2 of the same type and C3, it is installed between dc bus positive and negative terminal and the three-phase alternating current midpoint potential, when native system is worked, the high-frequency current that produces DC side can be fed back to, the high-frequency leakage current of system when work can be effectively reduced.
Further, as shown in Figure 8, should be used for Electric Vehicle power system and also comprise filtration module 103, filtering control module 104, EMI module 105 and the second preliminary filling control module 106.
Wherein, filtration module 103 is connected two-way DC/AC module 50 and discharges and recharges between the control module 70.Particularly, as shown in Figure 5, filtration module 103 comprises inductance L
A, L
B, L
CWith capacitor C 4, C5, C6, and two-way DC/AC module 50 can comprise six IGBT, and the tie point between two IGBT is connected with motor control switch 60 with filtration module 103 by electrical bus respectively up and down.
As shown in Figure 8, filtering control module 104 is connected between Section Point B and the filtration module 103, and controlled device modules 80 controls of filtering control module 104, controller module 80 dynamical system present located mode of operation during for drive pattern control filtering control module 104 disconnect.Wherein, filtering control module 104 can be the electric capacity transfer relay, and K10 forms by contactor.EMI module 105 is connected and discharges and recharges socket 20 and discharge and recharge between the control module 70.Need to prove that the position of contactor k10 only is 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.For example, in another embodiment of the present invention, this contactor K10 also can be connected between two-way DC/AC module 50 and the filtration module 103.
The second preliminary filling module 106 is with to discharge and recharge control module 70 in parallel, and the second preliminary filling control module 106 is used for capacitor C 4, C5, the C6 of filtration module 103 are carried out precharge.Wherein, the second preliminary filling control module 106 comprises three resistance R of mutual series connection
A, R
B, R
CWith three-phase preliminary filling K switch 9.
As shown in Figure 8, discharge and recharge control module 70 and further comprise threephase switch K8 and/or single-phase switch K7, be used for realizing that three-phase discharges and recharges or single-phase discharging and recharging.
That is to say, when dynamical system starts, controller module 80 controls first K switch 1 closure is to carry out precharge to first capacitor C 1 and bus capacitor C0 in the two-way DC/DC module 30, and when the voltage of bus capacitor C0 becomes preset multiple with the voltage of electrokinetic cell 10, control 1 disconnection of first K switch and control second switch K2 closure simultaneously.Like this, by two-way DC/DC module 30 with directly to be connected electrical bus be that big capacity bus capacitor C0 between the dc bus forms the critical piece of realizing battery low-temp activation technology, be used for the electric energy of electrokinetic cell 10 is charged to big capacity bus capacitor C0 by two-way DC/DC module 30, when again the electric energy that stores among the big capacity bus capacitor C0 being filled the power battery 10(that reverses namely to power battery charging by two-way DC/DC module 30), make the temperature of electrokinetic cell rise to the optimum working temperature scope to electrokinetic cell 10 cycle charge-discharges.
When dynamical system present located mode of operation is drive pattern, controller module 80 controls drive control switch 40 closures to close two-way DC/DC module 30, and control motor control switch 60 closures with the driven motor M, and control discharges and recharges control module 70 disconnections.Need to prove, in an embodiment of the present invention, though motor control switch 60 has comprised three switches that link to each other with the input of motor three-phase in the accompanying drawing, also can comprise two switches that link to each other with the input of motor two-phase in other embodiments of the invention, even a switch.Need only the control that can realize motor at this.Therefore, other embodiment do not repeat them here.Like this, be the dc inverter of electrokinetic cell 10 alternating current and flow to motor M by two-way DC/AC module 50, can utilize rotation transformation decoder technique and space vector pulse width modulation (SVPWM) control algolithm to control the operation of motor M.
When dynamical system present located mode of operation is charge and discharge mode, controller module 80 controls drive control switch 40 and disconnect starting two-way DC/DC module 30, and control motor control switch 60 disconnects so that motor M is shifted out, and control discharges and recharges control module 70 closures, and for example three-phase electricity or single-phase electricity can normally be charged for electrokinetic cell 10 by discharging and recharging socket 20 to make external power source.Namely say, by detecting the relevant information that charging connects signal, AC network electricity system and car load battery management, use two-way DC/AC module 50 and carry out the 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 Electric Vehicle power system that is used for, can realize using civilian or industrial AC network that electric automobile is carried out the high power AC charging, make the user can be whenever and wherever possible efficiently, charging efficiently, save the charging interval, need not constant voltage control device and constant-current control device simultaneously, save space and cost, and it is wide to be suitable for battery operated voltage range.
Fig. 9 is that electric automobile is to the connection diagram of housed device, industrial electricity apparatus discharge.
Particularly, as shown in Figure 9, electric automobile to electric automobile discharge connection diagram in, comprising: electric automobile, vehicle is to the insert row jockey that discharges.
Electric automobile mainly plays connection to the insert row jockey that discharges.As shown in figure 10, electric automobile is to insert row discharge jockey schematic diagram, and insert row discharge jockey is the jockey that connects electric automobile and outside housed device.Wherein an end is the AC charging rifle, and namely this end is connected with electric automobile, and an other end is the family expenses insert row that complies with the national standard requirements, and namely this end is connected with the plug of housed device, and family expenses insert row end has automatically reset insurance 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 housed device is discharged, whole system need participate in work just like lower module: instrument is for gathering discharge switch signal, discharge mode signal, and shows discharge information, fault message; Battery manager judge that can electrokinetic cell externally discharge, and current supply circuit in the high-tension distribution box is connected in control for gathering the electrokinetic cell state information; High-tension distribution box makes electrokinetic cell supply direct current to controller for connecting electrokinetic cell and controller; Controller is by being provided dc inverter to become alternating current electrokinetic cell; Wherein, controller and instrument and battery manager carry out the CAN message interaction; The AC charging mouth is for connecting controller and external home power consumption equipment, make alternating current that controller provides externally portion export; Electrokinetic cell is store electrical energy, when needs externally discharge, the electric energy that stores is externally discharged.
This electric automobile advances expansion with the function of motor drive controller and extends, and utilizes its function that dc inverter can be become alternating current, makes motor vehicle realize providing the outside function of family expenses alternating current after car load is changed.Further, at grid power blackout or leave the position of electrical network, electric motor car can be used as a kind of alternative energy storage device household AC power externally is provided, to tackle some emergency case.This has widened the use field of electric motor car greatly, brings more convenience also can for simultaneously people's life.
Electric automobile can be divided into preparatory stage and discharge regime and discharge ending phase to the implementation procedure of housed device discharge scheme.
Figure 12 is that electric automobile is to the workflow diagram of housed device, industrial electricity apparatus discharge each module of preparatory stage.Figure 13 is that electric automobile is to the workflow diagram of housed device, industrial electricity apparatus discharge regime, each module of 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 OK shelves electricity on the electric automobile and be under the P shelves state, instrument is started working, press external discharge button on the instrument board to activate " discharge arranges the interface " of instrument, by being set by " selection " on the steering wheel and " determining " button, power consumption equipment is " household equipment ", wherein power consumption equipment can also comprise " industrial equipment " and " chargeable vehicle ", when set discharge mode for " to household equipment discharge " after, instrument can send " discharge mode " message notifying electric vehicle controller and eject prompting " 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.For example: 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, discharge system please check vehicles.
Further, enter at controller under the state of work, at first judged whether the electric automobile gear signal, if the electric automobile gear signal is arranged, then electric automobile enters drive pattern; If there is not the electric automobile gear signal, then after receiving " discharge mode " message of instrument, can continue by controller to detect the CC signal to judge whether the charging rifle is connected on the vehicle, particularly, controller need judge whether charge port CC signal connects, and CC goes up whether resistance value is 470 Ω, if do not detect the CC signal, and resistance value is not 470 Ω on the CC, and " the external discharge of the vehicle does not allow " information that then sends is given instrument; If detect after the CC signal, and the last resistance value of CC is 470 Ω, then continue to judge that whether the electric automobile gear is at the P shelves, motor is in not drive pattern state, if the electric automobile gear is not at the P shelves, motor is not in not drive pattern state, and " the external discharge of the vehicle does not allow " information that then sends is given instrument; If the electric automobile gear is at the P shelves, motor is in not drive pattern state, then controller switching internal circuit is externally discharge, does not respond gear-change operation during discharge mode, controller self check fault-free, send " the controller 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 the output switch, sends " vehicle externally discharge beginning " information; If do not receive " battery system is ready " state message, " the external discharge of the vehicle does not allow " information that sends is given instrument.
And for battery manager, when battery manager is worked, at first self check judges whether and can externally discharge, if self check can not externally be discharged, then send " 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 low excessively arbitrary situation of SOC, after receiving the ready message of controller, external discharge loop in the control adhesive distribution box, and send " battery system is ready " message.
Further, after controller was received " the ready message of battery system ", connection was externally exported and is started working, and externally exports the family expenses alternating current, and concurrent veering away established the beginning message by cable.
Figure 13 is that electric automobile is to the workflow diagram of housed device, industrial electricity apparatus discharge regime, each module of discharge ending phase.
For discharge regime, the discharge ending phase of electric automobile to the implementation procedure of housed device discharge scheme, particularly, instrument shows the electric automobile discharge scenario always in the discharge process, and whether the discharge end message, controller that controller detects instrument whether always fault, external equipment fault whether; Whether battery fault, and battery manager detects whether fault of battery status, battery system always.
If when having following situation to take place, controller stops foreign exchanges output: when controller received that the instrument discharge finishes, controller cut off foreign exchanges output, the concurrent electric end message that veers away, battery manager is received back switching distribution box home loop, makes vehicle be in OK shelves state again; When controller was received the battery system fault of battery manager transmission, controller cut off foreign exchanges output, and instrument receives that the back shows fault; When controller was received the external equipment fault, controller cut off foreign exchanges output, and instrument receives that the back shows fault, and wherein, the external equipment fault is overcurrent, short circuit, one or more compound modes of connection fault; After controller detected faults itself, controller cut off foreign exchanges output, and sent the controller failure message, and instrument receives that the back shows fault, and battery manager switches to corresponding state according to failure condition.
Further, externally in the discharge process, also comprise following situation, controller stops foreign exchanges output: Vehicular battery SOC is low excessively; By the discharge control button, close external discharge.
Electric discharge device according to the electric automobile of the embodiment of the invention, when electric automobile OK shelves electricity, set housed device is discharged, then electric automobile is connected to electric automobile to insert row discharge jockey, electric automobile detects connection normally and does not have under the situation of fault, AC charging mouth by electric automobile is the tame electricity consumption of the identical electric pressure with electrical network of output, same frequency externally, needs only housed device is connected on the insert row just can normally use.The electric discharge device of this electric automobile has been expanded the scope of application of electric motor car, the domestic power supply that electric motor car can momentarily be provided convenience to people.
The present invention also proposes a kind of electric automobile, comprises the electric discharge device 100 of the electric automobile of above-described embodiment.
Electric automobile according to the embodiment of the invention, when electric automobile OK shelves electricity, set housed device is discharged, then electric automobile is connected to electric automobile to insert row discharge jockey, electric automobile detects connection normally and does not have under the situation of fault, AC charging mouth by electric automobile is the tame electricity consumption of the identical electric pressure with electrical network of output, same frequency externally, needs only housed device is connected on the insert row just can normally use.This electric automobile has been expanded the scope of application of electric motor car, the domestic power supply that electric motor car can momentarily be provided convenience to people.
Describe and to be understood that in the flow chart or in this any process of otherwise describing or method, expression comprises module, fragment or the part of code of the executable instruction of the step that one or more is used to realize specific logical function or process, and the scope of preferred implementation of the present invention comprises other realization, wherein can be not according to order shown or that discuss, comprise according to related function by the mode of basic while or by opposite order, carry out function, this should be understood by the embodiments of the invention person of ordinary skill in the field.
In flow chart the expression or in this logic of otherwise describing and/or step, for example, can be considered to the sequencing tabulation for the executable instruction that realizes logic function, may be embodied in any computer-readable medium, use for instruction execution system, device or equipment (as the computer based system, comprise that the system of processor or other can be from the systems of instruction execution system, device or equipment instruction fetch and execution command), or use in conjunction with these instruction execution systems, device or equipment.With regard to this specification, " computer-readable medium " can be anyly can comprise, storage, communication, propagation or transmission procedure be 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 of computer-readable medium (non-exhaustive list) comprises following: the electrical connection section (electronic installation) with one or more wirings, portable computer diskette box (magnetic device), random-access memory (ram), read-only memory (ROM), can wipe and to edit read-only memory (EPROM or flash memory), fiber device, and portable optic disk read-only memory (CDROM).In addition, computer-readable medium even can be paper or other the suitable media that to print described program thereon, because can be for example by paper or other media be carried out optical scanner, then edit, decipher or handle to obtain described program in the electronics mode with other suitable methods in case of necessity, then it is stored in the 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, a plurality of steps or method can realize with being stored in the memory and by software or firmware that suitable instruction execution system is carried out.For example, if realize with hardware, the same in another embodiment, in the available following technology well known in the art each or their combination realize: have for the discrete logic of data-signal being realized the logic gates of logic function, application-specific integrated circuit (ASIC) with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA) etc.
Those skilled in the art are appreciated that and realize that all or part of step that above-described embodiment method is carried is to instruct relevant hardware to finish by program, described program can be stored in a kind of computer-readable recording medium, this program comprises one of step or its combination of method embodiment when carrying out.
In addition, each functional unit in each embodiment of the present invention can be integrated in the processing module, also can be that the independent physics in each unit exists, and also can be integrated in the module two or more unit.Above-mentioned integrated module both can adopt the form of hardware to realize, also can adopt the form of software function module to realize.If described integrated module realizes with the form of software function module and during as independently production marketing or use, also can be stored in the computer read/write memory medium.
The above-mentioned storage medium of mentioning can be read-only memory, disk or CD etc.
In the description of this specification, concrete feature, structure, material or characteristics that the description of reference term " embodiment ", " some embodiment ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example description are contained at least one embodiment of the present invention or the example.In this manual, the schematic statement to above-mentioned term not necessarily refers to identical embodiment or example.And concrete feature, structure, material or the characteristics of description can be with the suitable manner combination in any one or more embodiment or example.
Although illustrated and described 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 under the situation that does not break away from principle of the present invention and aim within the scope of the invention, modification, replacement and modification.
Claims (10)
1. the electric discharge device of an electric automobile is characterized in that, comprising:
The AC charging mouth,
The charging jockey, an end of described charging jockey is connected with described AC charging mouth, and the other end is connected with external equipment, is used for being delivered to described external equipment by the alternating current of described AC charging mouth output;
Instrument, described instrument are used for receiving under the triggering signal, send the discharge preparation instruction;
Controller, whether described controller and described instrument communicate, be used for detecting described charging jockey and being connected with described AC charging mouth, if then switch to external discharge mode after receiving described discharge preparation instruction; And
Battery manager, described battery manager and described controller communicate, and are used for after described controller switches to external discharge mode the external discharge loop in the high-tension distribution box of the described electric automobile of control adhesive;
Electrokinetic cell, electrokinetic cell links to each other with described high-tension distribution box, and being used for provides direct current by the external discharge loop in the 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 discharge to described external equipment.
2. the electric discharge device of electric automobile as claimed in claim 1 is characterized in that, described instrument and described controller communicate by controller local area network's CAN bus, and described controller and described battery manager communicate by described CAN bus.
3. the electric discharge device of electric automobile as claimed in claim 1 is characterized in that, described charging jockey comprises:
The charging rifle, described charging rifle is positioned at an end of described charging jockey, links to each other with described AC charging mouth;
Insert row, described insert row is positioned at the other end of described charging jockey, 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 also is used for after detecting described charging jockey and described AC charging mouth is connected, whether the current gear that further detects described electric automobile is the P shelves, if then switch to external discharge mode.
5. the electric discharge device of electric automobile as claimed in claim 1 is characterized in that, described controller also is used at discharge process, detects whether fault of the internal circuit of controller and described external equipment in real time.
6. the electric discharge device of electric automobile as claimed in claim 5 is characterized in that, described controller also is used for stopping to export described alternating current when detecting described internal circuit and/or described external equipment fault.
7. the electric discharge device of electric automobile as claimed in claim 1, it is characterized in that, described battery manager also is used for detecting in real time whether fault of the current electric quantity of described electrokinetic cell and described electrokinetic cell, and after detecting fault, send the battery failures instruction to described controller, described controller stops to export described alternating current after receiving described battery failures instruction.
8. the electric discharge device of electric automobile as claimed in claim 1 is characterized in that, described controller also is used for stopping to export described alternating current after the discharge END instruction that receives described instrument.
9. the electric discharge device of electric automobile as claimed in claim 1 is characterized in that, described controller also is used for detecting in real time current discharging current.
10. an electric automobile is characterized in that, comprises the electric discharge device of each described electric automobile of claim 1-9.
Priority Applications (1)
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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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| CN201210592442.0A CN103187771B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and electric discharge device thereof |
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| CN201210592107.0A Active CN103187766B (en) | 2011-12-31 | 2012-12-31 | The recognition methods processed of the electricity of external power source and device when charging electric vehicle |
| CN2012105917639A Pending CN103338140A (en) | 2011-12-31 | 2012-12-31 | Carrier wave device and carrier wave communication method and system based on electric automobile charging and discharging |
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| CN201210591806.3A Active CN103187761B (en) | 2011-12-31 | 2012-12-31 | Discharge system for electric automobile |
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| CN201210591058.9A Active CN103187779B (en) | 2011-12-31 | 2012-12-31 | The charging method of electric automobile and charging device |
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| CN201210592172.3A Active CN103187768B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and discharging device thereof |
| CN201210590312.3A Active CN103187759B (en) | 2011-12-31 | 2012-12-31 | The system mutually charged between electric automobile and charge connector |
| CN201210591899.XA Active CN103187765B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and its AC charging means of communication and charging pile |
| CN201210592442.0A Active CN103187771B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and electric discharge device thereof |
| CN201210591824.1A Active CN103187763B (en) | 2011-12-31 | 2012-12-31 | Phase sequence identification method during charging electric vehicle and phase sequence recognition device |
| CN201210592162.XA Active CN103187767B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and charging system used for electric automobile |
| CN201210590380.XA Active CN103187760B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and the active bleed-off system for electric automobile |
| CN201210593270.9A Active CN103187772B (en) | 2011-12-31 | 2012-12-31 | The system that electric automobile and external electric automobile are powered |
| CN201210592183.1A Active CN103187769B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and electric discharge device thereof |
| CN201210592396.4A Active CN103182948B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and power system capable of being switched between charge-discharge function and drive function |
| CN2012207486375U Expired - Lifetime CN203205183U (en) | 2011-12-31 | 2012-12-31 | Inductor assembly |
| CN201210589854.9A Active CN103187758B (en) | 2011-12-31 | 2012-12-31 | Charging system for electric automobile and electric automobile with same |
| 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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| CN201210592107.0A Active CN103187766B (en) | 2011-12-31 | 2012-12-31 | The recognition methods processed of the electricity of external power source and device when charging electric vehicle |
| CN2012105917639A Pending CN103338140A (en) | 2011-12-31 | 2012-12-31 | Carrier wave device and carrier wave communication method and system based on electric automobile charging and discharging |
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| CN201210592262.2A Active CN103187770B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and charge control system |
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| CN201210591058.9A Active CN103187779B (en) | 2011-12-31 | 2012-12-31 | The charging method of electric automobile and charging device |
| CN201210591832.6A Active CN103182950B (en) | 2011-12-31 | 2012-12-31 | For the interlock method of Vehicular charging and traveling |
| CN201210592172.3A Active CN103187768B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and discharging device thereof |
| CN201210590312.3A Active CN103187759B (en) | 2011-12-31 | 2012-12-31 | The system mutually charged between electric automobile and charge connector |
| CN201210591899.XA Active CN103187765B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and its AC charging means of communication and charging pile |
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| CN201210592162.XA Active CN103187767B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and charging system used for electric automobile |
| CN201210590380.XA Active CN103187760B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and the active bleed-off system for electric automobile |
| CN201210593270.9A Active CN103187772B (en) | 2011-12-31 | 2012-12-31 | The system that electric automobile and external electric automobile are powered |
| CN201210592183.1A Active CN103187769B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and electric discharge device thereof |
| CN201210592396.4A Active CN103182948B (en) | 2011-12-31 | 2012-12-31 | Electric automobile and power system capable of being switched between charge-discharge function and drive function |
| CN2012207486375U Expired - Lifetime CN203205183U (en) | 2011-12-31 | 2012-12-31 | Inductor assembly |
| CN201210589854.9A Active CN103187758B (en) | 2011-12-31 | 2012-12-31 | Charging system for electric automobile and electric automobile with same |
| 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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