CN103182951B

CN103182951B - Electronlmobil and integrated control system thereof

Info

Publication number: CN103182951B
Application number: CN201210593394.7A
Authority: CN
Inventors: 魏维; 王洪军; 周伟
Original assignee: BYD Co Ltd
Current assignee: Nanjing BYD Automobile Co Ltd
Priority date: 2011-12-31
Filing date: 2012-12-31
Publication date: 2015-11-25
Anticipated expiration: 2032-12-31
Also published as: CN103187761A; CN203205183U; CN103182948A; CN103187767A; CN103187761B; CN103187762A; CN103187779B; CN103187766B; CN103187759A; CN103187762B; CN203120353U; CN103338140A; CN103187767B; CN103186109B; CN103187763A; CN103187758B; CN103187764A; CN103182948B; CN103187771A; CN103182951A

Abstract

The present invention proposes a kind of integrated control system of electronlmobil, comprising: electrokinetic cell; High-tension distribution box is connected with electrokinetic cell; Drive and discharge and recharge integrated manipulator to be connected with electrokinetic cell by high-tension distribution box and to drive and discharge and recharge integrated manipulator is connected with charging/discharging socket with motor respectively, driving and discharge and recharge integrated manipulator are for the drive motor when electronlmobil is in drive pattern; Additional high pressure device, is connected with electrokinetic cell by high-tension distribution box; One DC/DC module, is connected with electrokinetic cell by high-tension distribution box; Controller is connected with high-tension distribution box, carries out precharge for controlling high-tension distribution box before powering in driving and discharge and recharge integrated manipulator, additional high pressure device and a DC/DC module by high-tension distribution box.The present invention also proposes a kind of electronlmobil.The present invention, according to the difference of mode of operation, can realize the unified of each working state of system and switch, each discrete part of cooperation control vehicle, compatible strong.

Description

Electronlmobil and integrated control system thereof

Technical field

The present invention relates to electric vehicle engineering field, particularly a kind of electronlmobil and integrated control system thereof.

Background technology

Along with the development of science and technology, the electronlmobil of environmental protection and energy saving is play the role replacing fuel vehicle, but the universal of electronlmobil is also faced with some problems, wherein high course continuation mileage and efficiently charging technique, has become a great problem that electronlmobil is promoted.

At present, electronlmobil adopts high-capacity battery mostly, although can improve the flying power of electronlmobil, same high-capacity battery brings again the long problem of charging duration.Although the DC charging station of specialty can fast speed be that battery charges, but the problems such as the cost of great number and larger floor area 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 voltage 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, charging duration is long, hardware volume is comparatively large, function singleness, be limited to the shortcoming such as voltage class restriction of different regions electrical network.

The aspect technological advance such as motor driven systems, power battery charging system as electronlmobil core component also makes rapid progress, in traditional electronlmobil, motor driven systems is as an independently system, have independently power conversion modules, control module etc., only need ensure that motor when vehicle travels drives requirement and part car load to require.Power battery charging system is generally divided into vehicle-mounted AC charging system and fast-speed direct current charge system, and vehicle-mounted AC charging system has power conversion modules, control module etc., can smaller power to power battery charging; Fast-speed direct current charge system only needs vehicle side to have corresponding power distribution circuit, power battery management system to carry out assistance control, but electrically-charging equipment needs the equipment such as huge power conversion modules.For the electronlmobil loaded compared with macro-energy electrokinetic cell, in order to take into account convenience, the rapidity of charging, all need this two kinds of charge systems are installed.The current continuous progress along with technology and the active demand reduced costs, motor driven systems, the charge system, the even external inversion system discharged etc. of electronlmobil are also progressively developing to integrated, unitized, from shared control module to comprising the integrated of power conversion modules, form unified entirety.

But, this system is owing to being integrated with a large amount of functions, system complexity significantly increases, coordinate with vehicle other system and face a severe challenge, the problems such as the thing followed interferes with each other, function handover security, radiating requirements also have a great difference, and the pattern of traditional each system independent processing can not meet the demands.

Summary of the invention

Object of the present invention is intended at least solve one of above-mentioned technological deficiency.

For this reason, first object of the present invention is the integrated control system providing a kind of electronlmobil, this system obviates interference, and safety is higher.Second object of the present invention is to provide a kind of electronlmobil.

For achieving the above object, the embodiment of first aspect present invention provides a kind of integrated control system of electronlmobil, comprising: electrokinetic cell, high-tension distribution box, described high-tension distribution box is connected with described electrokinetic cell, drive and discharge and recharge integrated manipulator, described driving and discharge and recharge integrated manipulator are connected with described electrokinetic cell by described high-tension distribution box, and described driving and discharge and recharge integrated manipulator are connected with charging/discharging socket with motor respectively, described driving and discharge and recharge integrated manipulator are used for driving described motor when described electronlmobil is in drive pattern, and carry out discharge and recharge by described charging/discharging socket to described electrokinetic cell when described electronlmobil is in charge and discharge mode, additional high pressure device, described additional high pressure device is connected with described electrokinetic cell by described high-tension distribution box, one DC/DC module, a described DC/DC module is connected with described electrokinetic cell by described high-tension distribution box, controller, described controller is connected with described high-tension distribution box, for controlling described high-tension distribution box with at described driving and discharge and recharge integrated manipulator, precharge is carried out by described high-tension distribution box before described additional high pressure device and a described DC/DC module power on, wherein, described high-tension distribution box comprises: the first preliminary filling control module and first switch in parallel with described first preliminary filling control module, described first preliminary filling control module is connected with one end of described electrokinetic cell with one end of described first switch, described first preliminary filling control module is connected with the first end of described driving and discharge and recharge integrated manipulator with the other end of described first switch, second preliminary filling control module and the second switch in parallel with described second preliminary filling control module, described second preliminary filling control module is connected with one end of described electrokinetic cell with one end of described second switch, and described second preliminary filling control module is connected with the first end of a described DC/DC module with the other end of described second switch, 3rd preliminary filling control module and three switch in parallel with described 3rd preliminary filling control module, described 3rd preliminary filling control module is connected with one end of described electrokinetic cell with one end of described 3rd switch, and described 3rd preliminary filling control module is connected with the first end of described additional high pressure device with the other end of described 3rd switch, 4th switch, one end of described 4th switch is connected with the other end of described electrokinetic cell, and described 4th switch is connected with the second end of shown additional high pressure device with described driving and discharge and recharge integrated manipulator, a described DC/DC module respectively, and the 5th switch, one end of described 5th switch is connected with one end of described electrokinetic cell, and described 5th switch is connected with the 3rd end of described driving and discharge and recharge integrated manipulator.

According to the integrated control system of the electronlmobil of the embodiment of the present invention, according to the difference of mode of operation, the unified of each working state of system can be realized switch, each discrete part of cooperation control vehicle, compatible strong, and owing to having cooling system, meet cooling requirements during high power work, electronlmobil difference in functionality demand and expansion can be met, there is good comformability.This system realizes the compatibility driven electronlmobil, charging, externally discharging function require, and can meet the requirement of high-power output.

The embodiment of second aspect present invention provides a kind of electronlmobil, comprises the integrated control system of first aspect present invention embodiment.

According to the electronlmobil of the embodiment of the present invention, according to the difference of mode of operation, the unified of each working state of system can be realized switch, each discrete part of cooperation control vehicle, compatible strong, and owing to having cooling system, meet cooling requirements during high power work, electronlmobil difference in functionality demand and expansion can be met, there is good comformability.This system realizes the compatibility driven electronlmobil, charging, externally discharging function require, and can meet the requirement of high-power output.

The aspect that the present invention adds 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

The present invention above-mentioned and/or additional aspect and advantage will become obvious and easy understand from the following description of the accompanying drawings of embodiments, 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 driving according to the embodiment of the present invention and discharge and recharge integrated control system schematic diagram;

Fig. 5 is integrated control system high tension distribution system schematic diagram;

Fig. 6 is integrated control system principle of work schematic diagram;

Fig. 7 is according to an embodiment of the invention for the block diagram of the power system of electronlmobil;

Fig. 8 is according to an embodiment of the invention for the topological diagram of the power system of electronlmobil;

Fig. 9 is the block diagram of controller module according to an embodiment of the invention;

Figure 10 is according to the DSP in the controller module of the present invention's example and peripheral hardware circuit interface schematic diagram;

Figure 11 is according to an embodiment of the invention for the function decision flow chart of the power system of electronlmobil;

Figure 12 is the block diagram carrying out drive and control of electric machine function according to an embodiment of the invention for the power system of electronlmobil;

Figure 13 starts decision flow chart for the power system charging/discharging function of electronlmobil according to an embodiment of the invention;

Figure 14 is according to an embodiment of the invention for the control flow chart of power system under charge mode of electronlmobil;

Figure 15 is according to an embodiment of the invention for the control flow chart of power system at the end of charging electric vehicle of electronlmobil;

Figure 16 is junction circuit figure between electronlmobil and power equipment supply according to an embodiment of the invention;

Figure 17 is the schematic diagram adopting two power system parallel connections to charge to electronlmobil in accordance with another embodiment of the present invention;

Figure 18 is the schematic diagram of the charging/discharging socket according to the present invention's example;

Figure 19 is the schematic diagram from guipure placing plug according to another example of the present invention;

Detailed description of the invention

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.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the present invention, and can not limitation of the present invention being interpreted as.

Disclosing hereafter provides many different embodiments or example is used for realizing different structure of the present invention.Of the present invention open in order to simplify, hereinafter the parts of specific examples and setting are described.Certainly, they are only example, and object does not lie in restriction the present invention.In addition, the present invention can in different example repeat reference numerals and/or letter.This repetition is to simplify and clearly object, itself does not indicate the relation between discussed various embodiment and/or setting.In addition, the various specific technique that the invention provides and the example of material, but those of ordinary skill in the art can recognize the property of can be applicable to of other techniques and/or the use of other materials.In addition, fisrt feature described below second feature it " on " structure can comprise the embodiment that the first and second features are formed as directly contact, also can comprise other feature and be formed in embodiment between the first and second features, such first and second features may not be direct contacts.

In describing the invention, it should be noted that, unless otherwise prescribed and limit, term " installation ", " being connected ", " connection " should be interpreted broadly, such as, can be mechanical connection or electrical connection, also can be the connection of two element internals, can be directly be connected, also indirectly can be connected by intermediary, for the ordinary skill in the art, the concrete meaning of above-mentioned term can be understood as the case may be.

With reference to description below and accompanying drawing, these and other aspects of embodiments of the invention will be known.Describe at these and in accompanying drawing, specifically disclose some particular implementation in embodiments of the invention, representing some modes of the principle implementing embodiments of the invention, but should be appreciated that the scope of embodiments of the invention is not limited.On the contrary, embodiments of the invention comprise fall into attached claims spirit and intension within the scope of all changes, amendment and equivalent.

As Fig. 4 to Fig. 6, the integrated control system of the electronlmobil of the embodiment of the present invention comprises electrokinetic cell 10, high-tension distribution box 90, additional high pressure device, a DC/DC module 300, controller.High-tension distribution box 90 is connected with electrokinetic cell 10; Drive and discharge and recharge integrated manipulator 170, driving and discharge and recharge integrated manipulator 170 are connected with electrokinetic cell 10 by high-tension distribution box 90, and driving and discharge and recharge integrated manipulator 170 are connected with charging/discharging socket with motor respectively.Driving and discharge and recharge integrated manipulator 170 for the drive motor when electronlmobil is in drive pattern, and carry out discharge and recharge by charging/discharging socket to electrokinetic cell when electronlmobil is in charge and discharge mode.

Additional high pressure device, additional high pressure device is connected with electrokinetic cell 10 by high-tension distribution box 90.One DC/DC module 300 is connected with electrokinetic cell 10 by high-tension distribution box 90.Controller is connected with high-tension distribution box 90, carries out precharge for controlling high-tension distribution box 90 before powering in driving and discharge and recharge integrated manipulator 170, additional high pressure device and a DC/DC module by high-tension distribution box.

High-tension distribution box 90 comprises: the first preliminary filling control module and first switch in parallel with the first preliminary filling control module, first preliminary filling control module is connected with one end of electrokinetic cell with one end of the first K switch 1, and the first preliminary filling control module is connected with the first end of driving and discharge and recharge integrated manipulator with the other end of the first switch; Second preliminary filling control module and the second switch K2 in parallel with the second preliminary filling control module, second preliminary filling control module is connected with one end of electrokinetic cell with one end of second switch K2, and the second preliminary filling control module is connected with the first end of a DC/DC module 300 with the other end of second switch K2; 3rd preliminary filling control module and three K switch 3 in parallel with the 3rd preliminary filling control module; 3rd preliminary filling control module is connected with one end of electrokinetic cell with one end of the 3rd K switch 3, and the 3rd preliminary filling control module is connected with the first end of additional high pressure device with the other end of the 3rd K switch 3; One end of 5th K switch the 5, five K switch 5 is connected with the other end of electrokinetic cell, and the other end of the 5th K switch 5 is connected with the second end of described additional high pressure device with driving and discharge and recharge integrated manipulator, a DC/DC module respectively.One end of 4th K switch the 4, four K switch 4 is connected with one end of electrokinetic cell, and the other end of the 4th switch is connected with the 3rd end of driving and discharge and recharge integrated manipulator.

Three preliminary filling resistance are employed respectively in K11, K21, K31 preliminary filling loop in Fig. 5, can according to actual conditions, if require lower to pre-charging time, and to cost and structural requirement higher, can merge into a preliminary filling resistance, the pre-charging time different by power battery management system software design patterns and Dead Time realize identical function.

When electronlmobil is in drive pattern or charge and discharge mode, controller carries out precharge closed 4th K switch 4 simultaneously by the first preliminary filling control module to driving and discharge and recharge integrated manipulator, when driving and the bus voltage of discharge and recharge integrated manipulator become preset multiple with the voltage of electrokinetic cell, control the first preliminary filling control module and turn off and close the first switch.

After closed first K switch 1, controller also carries out precharge by the 3rd preliminary filling control module to additional high pressure device, when the bus voltage of additional high pressure device becomes preset multiple with the voltage of electrokinetic cell, control the 3rd preliminary filling control module and turn off and close the 3rd K switch 3.

When electronlmobil is in drive pattern, after closed 3rd switch, controller also carries out precharge by the second preliminary filling control module to a DC/DC module 300, when the bus voltage of a DC/DC module 300 becomes preset multiple with the voltage of electrokinetic cell 10, control the second preliminary filling control module and turn off and closed second switch K2.

Below in conjunction with Fig. 5, the principle of work of high-tension distribution box is described in detail.

Drive pattern: vehicle starting system sends startup command, power battery management system 10 detects electrokinetic cell rear control high tension distribution system corresponding actions in good condition, first adhesive power battery cathode contactless switch K5, adhesive main preliminary filling contactless switch K11 again, preliminary filling is carried out to driving and charging-discharging controller, driving and charging-discharging controller detect and feed back power bus voltage to power battery management system, complete when time within power battery management system judges 90% (voltage available difference 50V replaces) that driving and charging-discharging controller bus voltage reach electrokinetic cell voltage is defined as preliminary filling, control main contactor K1 adhesive, then main preliminary filling contactless switch K11 is disconnected, and send corresponding contact device state and preliminary filling and complete and allow to drive order, drive and charging-discharging controller receive above-mentioned state and order and detect bus voltage in normal working voltage after vehicle can be driven to travel according to signals such as the throttle degree of depth, subsequently, power battery management system controls auxiliary preliminary filling contactless switch K31 adhesive, preliminary filling is carried out to EPS controller, air compressor controller etc., EPS controller etc. detects and feeds back bus voltage value to power battery management system, be defined as preliminary filling when judging when power battery management system within 90% (voltage available difference 50V replaces) that its bus voltage reaches electrokinetic cell voltage to complete, control auxiliary contactor K3 adhesive, then auxiliary preliminary filling contactless switch K31 is disconnected, and send corresponding contact device state and preliminary filling and complete and allow order, auxiliary power loop preliminary filling completes, the DC of power battery management system control subsequently preliminary filling contactless switch K21 adhesive, preliminary filling is carried out to DC-DC converter, DC-DC converter detects and feeds back bus voltage to power battery management system, complete when time within power battery management system judges 90% (voltage available difference 50V replaces) that DC-DC converter bus voltage reaches electrokinetic cell voltage is defined as preliminary filling, control DC contactless switch K2 adhesive, then disconnect DC preliminary filling contactless switch K21, and send corresponding contact device state and preliminary filling and complete and allow order, whole high tension distribution system distribution completes.

Charge and discharge mode: first, driving and charging-discharging controller are arranged according to corresponding vehicle or charging gun connection triggering enters charge and discharge mode, send electric discharge or ready state of charging, power battery management system detects electrokinetic cell state and meets charge or discharge requirement and namely start to carry out preliminary filling after receiving this state, first adhesive power battery cathode contactless switch K5, adhesive main preliminary filling contactless switch K11 again, preliminary filling is carried out to driving and charging-discharging controller, driving and charging-discharging controller detect and feed back power bus voltage to power battery management system, complete when time within power battery management system judges 90% (voltage available difference 50V replaces) that driving and charging-discharging controller bus voltage reach electrokinetic cell voltage is defined as preliminary filling, control main contactor K1 adhesive, then main preliminary filling contactless switch K11 is disconnected, and send corresponding contact device state and preliminary filling and complete and allow discharge and recharge order, the DC of power battery management system control subsequently preliminary filling contactless switch K21 adhesive, preliminary filling is carried out to DC-DC converter, DC-DC converter detects and feeds back bus voltage to power battery management system, complete when time within power battery management system judges 90% (voltage available difference 50V replaces) that DC-DC converter bus voltage reaches electrokinetic cell voltage is defined as preliminary filling, control DC contactless switch K2 adhesive, then disconnect DC preliminary filling contactless switch K21, and send corresponding contact device state and preliminary filling and complete and allow order, whole high tension distribution system distribution completes.

The integrated control system of the electronlmobil of the embodiment of the present invention, also comprises: refrigerating module, and refrigerating module is used for cooling integrated control system.

Below the integrated control system of the electronlmobil of the embodiment of the present invention is described.

During driving, controlled to be responsible for the antitheft of car load and to start the start up system transmission moving low-pressure system starting related command to power battery management system by BCM, the correlation modules such as driving and discharge and recharge integrated manipulator 170, power battery management system enters drive pattern after receiving startup command and is detecting K11 in electrokinetic cell i.e. adhesive Fig. 5 in good condition, K21, the preliminary filling contactless switchs such as K31 and K5 cathode contact device, each high voltage electric device (drives and charging-discharging controller 170, DC-DC30, air-conditioning, EPS etc.) start preliminary filling and send corresponding high tension loop magnitude of voltage, judge that each high voltage electric device magnitude of voltage reaches after preliminary filling completes condition until power battery management system and control corresponding contact device adhesive connection high voltage power loop.DC-DC30 is converted to car load low tension supply car load low-voltage electrical apparatus and storage battery electrokinetic cell high voltage direct current, simultaneously, subcontrol gathers car load signal, Controlled cooling system works, driving and charging-discharging controller calculate corresponding Motor torque requirements according to the car load signal synthesis process such as acceleration pedal, brake pedal, gear of the subcontrol detection received thus by being that alternating current controls motor operation driving vehicle traveling DC inverter, the display systems such as combination instrument show car load operation conditions.

During charging, when charging gun is connected to Vehicular charging mouth, driving and discharge and recharge integrated manipulator 170 detect that charging gun connects, export corresponding connection signal to BCM, BCM controls low pressure charge system and starts, and sending corresponding state, power battery management system enters charge mode according to the coomand mode of BCM.Corresponding actions is carried out in the detection electrokinetic cell rear state according to driving and charging-discharging controller in good condition, whether driving and charging-discharging controller detection judge to charge to be connected by charging gun and the interaction scenario of charging equipment completes, judging to send corresponding state signal to power battery management system after connection completes, power battery management system starts K11 in adhesive Fig. 5 after receiving corresponding state, K21 preliminary filling contactless switch and K5 cathode contact device carry out preliminary filling, corresponding driving and discharge and recharge integrated manipulator 170, DC-DC30 starts to send power loop magnitude of voltage, judge that each high voltage electric device magnitude of voltage reaches after preliminary filling completes condition until power battery management system and control corresponding contact device adhesive connection high voltage power loop, and send corresponding state information.Electrokinetic cell high voltage direct current is converted to car load low tension supply car load low-voltage electrical apparatus and storage battery by DC-DC30; Driving and charging-discharging controller are detecting that high voltage power loop has connected the normal rear starting power module work of voltage, subcontrol detects charge port state and Controlled cooling system work, simultaneously the various charge informations of the combination instrument display car load of display system.

During external electric discharge, after BCM controls the startup of car load low-pressure system, arrange startup by combination instrument or other energizing signal externally to discharge order, power battery management system enters external discharge mode according to coomand mode, K11 in detection electrokinetic cell rear beginning adhesive Fig. 5 in good condition, K21 preliminary filling contactless switch and K5 cathode contact device carry out preliminary filling, corresponding driving and charging-discharging controller, DC-DC starts to send power loop magnitude of voltage, judge that each high voltage electric device magnitude of voltage reaches after preliminary filling completes condition until power battery management system and control corresponding contact device adhesive connection high voltage power loop, and send corresponding state information.Electrokinetic cell high voltage direct current is converted to car load low tension supply car load low-voltage electrical apparatus and storage battery by DC-DC30; To drive and charging-discharging controller detects discharge port and externally to discharge rifle connection state, judging to start to start external electric discharge according to the external electric discharge requirement arranged after power loop and discharge equipment have connected, combination instrument shows the external discharge information of corresponding car load simultaneously.

As shown in Figure 7, the power system for electronlmobil 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.

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.In one embodiment of the invention, drived control switch 40 is identical with the K switch 4 in Fig. 5.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 the power system of electronlmobil.

Further, in an embodiment of the present invention, the current residing mode of operation of power system can comprise drive pattern and charge and discharge mode.When the current residing mode of operation of power 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 Fig. 5, 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.When the current residing mode of operation of power 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 supply 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.

In one embodiment of the invention, as shown in Figure 8, power system for electronlmobil 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.In one embodiment of the invention, the first K switch 1 is identical with the K switch 11 shown in Fig. 5, and the K switch 1 shown in second switch K2 and Fig. 5 is identical.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 power 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 valve 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 valve Q1 and second switch pipe Q2 is connected in series mutually, first switching valve 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 valve Q1 and second switch pipe Q2, and between the first switching valve Q1 and second switch pipe Q2, there is first node A.First diode D1 and the first switching valve 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, in an embodiment of the present invention, as shown in Figure 8, this power system being used for electronlmobil also comprises drain current and cuts down module 102, and drain 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, drain 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 drain current is large.Therefore, this power system increases drain current at DC bus positive and negative terminal and cuts down module 102, can effectively reduce drain current.Drain 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 currents of generation can be fed back to DC side when native system works, system high-frequency leakage current operationally can be effectively reduced.

In one embodiment of the invention, as shown in Figure 8, this power system being used for electronlmobil 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 point of connection 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 power system is drive pattern and disconnects.Wherein, filtering control module 104 can be electric capacity transfer relay, is made up of contactless switch 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 contactless switch k10 is only schematic in fig. 8.In other embodiments of the invention, contactless switch 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 contactless switch 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.

In one embodiment of the invention, as shown in Figure 8, charge and discharge control module 70 comprises three phase switch K8 and/or single-phase switch K7 further, for realizing three-phase discharge and recharge and/or single-phase discharge and recharge.

That is, in an embodiment of the present invention, when power 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 major part 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, again the electric energy stored in Large Copacity bus capacitor C0 is filled back electrokinetic cell 10 (time 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 power 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.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 algorithm to control the operation of motor M.

When the current residing mode of operation of power 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 supply 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 three-phase electricity to the charging of vehicle mounted dynamic battery 10.

According to the power system for electronlmobil of the embodiment of the present invention, can realize using civilian or industrial AC network to carry out high power AC charging to electronlmobil, user can efficiently, efficiently be charged whenever and wherever possible, save charging duration, 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.

In one embodiment of the invention, as shown in Figure 9, controller module 80 comprises control desk 201 and drive plate 202.Wherein, the control module on control desk 201 adopts two high-speed digital video camera chips (DSP1 and DSP2) to control.Control module on control desk 201 is connected with whole vehicle information interface 203, and mutually carries out information interaction.Control module on control desk 201 receives bus voltage sampled signal, IPM guard signal and the IGBT temperature sampled signal etc. that the driver module on drive plate 202 exports, and output pulse width modulation (PWM) signal is to driver module simultaneously.

Wherein, as shown in Figure 10, DSP1 is mainly used in controlling, and DSP2 is used for information acquisition.Sampling unit in DSP1 exports throttle signal, bus voltage sampled signal, brake signal, DC voltage sampled signal, current of electric Hall V phase signals, current of electric Hall W phase signals, charging controls current Hall U phase signals, charging controls current Hall V phase signals, charging controls current Hall W phase signals, DC current hall signal, inverter voltage U phase signals, inverter voltage V phase signals, inverter voltage W phase signals, line voltage U phase signals, line voltage V phase signals, line voltage W phase signals, inversion U phase lock-on signal, the sampled signals such as electrical network U phase lock-on signal, the switch control unit output motor A phase switching signal in DSP1, motor B phase switching signal, electrical network A phase switching signal, electrical network B phase switching signal, electrical network C phase switching signal, three-phase preliminary filling on-off signal and electric capacity transfer relay signal etc., the driver element in DSP1 exports A phase PWM1 signal, A phase PWM2 signal, B phase PWM1 signal, B phase PWM2 signal, C phase PWM1 signal, C phase PWM2 signal, DC phase PWM1 signal, DC phase PWM2 signal and IPM guard signal etc., DSP1 also have revolve varying signal export control, serial communication, hardware protection, the functions such as CAN communication and gear control.Sampling unit in DSP2 exports power supply monitor signal, power supply monitoring signal, throttle 1 signal, brake 2 signals, throttle 2 signal, brake 1 signal, motor simulation temperature signal, electricity leakage sensor signal, heat-sink temperature signal, DC side inductor temperature sampled signal, V phase inductance temperature sampling signal, U phase inductance temperature sampling signal, W phase inductance temperature sampling signal, electric discharge PWM voltage sampling signal, obliquity sensor read signal, obliquity sensor chip selection signal, IGBT temperature sampling W phase signals, IGBT temperature sampling U phase signals, IGBT temperature sampling buck phase signals, IGBT temperature sampling V phase signals, motor temperature on-off signal, list/three-phase change-over switch signal etc., charge-discharge control unit in DSP2 exports charge and discharge key signal, sleep signal, electric discharge pwm signal, battery manager BMS signal, discharge and recharge exports control signal, CP signal and CC signal etc., and DSP2 also has CAN communication, Serial Communication Function.

In sum, the power system current collection machine for electronlmobil proposed in the embodiment of the present invention drives function, wagon control function, AC charging function, grid-connected function of supplying power, to carry function from guipure, vehicle to Vehicular charging function in one.Further, this power system is not by simple for various functional module physical combination is integrated, but on the basis of driving control system for electric machine, by adding some peripheral components, realize the functional diversities of system, maximize and save space and cost, improve power density.

Specifically, the function for the power system of electronlmobil is simply described below:

1, motor drives function: 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 algorithm to control the operation of motor M.

That is, when this power system obtains electric work, as shown in figure 11, this systemic-function judges that flow process comprises the following steps:

S901, power system obtains electric.

S902, judges charging connection signal.If there is charging connection signal, then go to step S903, if not, go to step 904.

S903, enters charge and discharge control flow process.In one embodiment of the invention, also need to judge throttle, gear and brake signal.When throttle be 0, gear be N shelves, parking brake, charging connection and CC signal effective time (charging/discharging socket 20 is connected with charging connecting device), then enter charge and discharge control flow process.S904, enters wagon control flow process.

After step S904 enters wagon control flow process, controller module 80 controls motor control switch 60 and closes, by CAN communication notice battery manager 108, battery manager 108 controls high-tension distribution box 90 couples of C1 and C0 and carries out preliminary filling, controller module 80 detects bus voltage 187, judge that whether preliminary filling is successful, after success, notice battery manager 108 closes drived control switch 40, this system enters drive pattern, controller module 80 pairs of whole vehicle information gather simultaneously, are driven motor M by comprehensive descision process.

Carry out drive and control of electric machine function: as shown in figure 12, controller module 80 sends pwm signal, two-way DC/AC module 50 is controlled, the DC inverter of electrokinetic cell 10 is alternating current and flows to motor M, controller module 80 resolves rotor-position by magslip, and gathers bus voltage and motor BC phase current makes motor M run accurately.Namely say, the feedback information of the motor BC phase current signal that controller module 80 is sampled according to current sensor and magslip regulates pwm signal, finally makes motor M run accurately.

Like this, by communication module to car load throttle, brake and gear information, judge current operating condition, realize the acceleration of vehicle, deceleration and energy feedback function, make car load lower safe and reliable operation under various operating mode, ensure the safety of vehicle, dynamic property and ride comfort.

2, charging/discharging function

(1) charging/discharging function connects confirmation and starts: as shown in figure 13, and the startup of this power system charging/discharging function judges that flow process comprises the steps:

S1101, charge-discharge connecting device and charging/discharging socket physical connection complete, and power supply is normal.

S1102, whether power equipment supply detects charging signals CC and connects normal.If so, then step S1103 is entered; If not, then return step S1102, continue to detect.

S1103, whether the voltage that power equipment supply detects CP check point is 9V.If so, then step S1106 is entered; If not, return step S1102, continue to detect.Wherein, 9V is a default example value.

S1104, whether controller module detects charging signals CC and connects normal.If so, then step S1105 is entered; If not, then return step S1104, continue to detect.

S1105, drags down and exports charging connection signal, charging indicator light signal.

S1106, enters charging/discharging function.

As shown in figure 14, the control flow of this power system under charge mode comprises the steps:

S1201, judge system obtain electric after whether start work completely.If so, then step S1202 is entered; If not, then return step S1201, continue to judge.

S1202, detects CC check point resistance value, determines charging connecting device capacity.

S1203, judges whether CP check point detects the pwm signal of fixed duty cycle.If so, then step S1204 is entered; If not, then step S1205 is entered.

S1204, sends charging connection and charges normal ready message, receives BMS charging permission, charging contactor adhesive message, enters step S1206.

S1205, fills electrical connection fault.

S1206, controller module adhesive internal switch.

S1207, judges that Preset Time detects whether outer fill device sends without PWM ripple in such as 1.5 seconds.If so, then step S1208 is entered; If not, then step S1209 is entered.

S1208, is judged as outside GB charging pile, does not send PWM ripple in process of charging.

S1209, sends PWM ripple to power equipment supply.

S1210, judges to detect in Preset Time such as 3 seconds whether exchange input normal.If so, then step S1213 is entered; If not, then step S1211 is entered.

S1211, exchanges outer fill device fault.

S1212, carries out exception handling.

S1213, enters the charging stage.

That is, as shown in Figure 13 and Figure 14, after power equipment supply and controller module 80 self-inspection trouble free, according to detection CC signal voltage value determination charging connecting device capacity, detect CP signal to determine whether to connect completely, after charge-discharge connecting device connects confirmation completely, send charging and connect the normal and ready message of charging, battery manager 108 controls closed first K switch 1 of high-tension distribution box 90 and carries out preliminary filling, K1 is disconnected after preliminary filling completes, adhesive second switch K2, controller module 80 receives BMS charging and allows, second switch K2 adhesive message, discharge and recharge is ready, namely function is set by instrument, as follows: AC charging function (GtoV, electrical network is to electronlmobil), function (VtoL is carried from guipure, electronlmobil is to load), grid-connected function (VtoG, electronlmobil is to electrical network) and vehicle to Vehicular charging function (VtoV, electronlmobil is to electronlmobil).

(2) AC charging function (GtoV): this power system receives instrument charging instruction, battery manager 108 allows the rated current of the maximum supply current of maximum charging current, power equipment supply and charge-discharge connecting device and charging/discharging socket 20, controller module 80 judges charging current minimum in three, automatically selects charging correlation parameter.And, this power system is sampled by the sample alternating current of 183 pairs of power equipment supply conveying of line voltage, controller module 80 calculates alternating current voltage effective value by sampled value, ac frequency is determined by catching, judge alternating current electricity system according to magnitude of voltage and frequency, choose controling parameters according to electrical network electricity system.After determining controling parameters, controller module 80 controls the K9 in the second preliminary filling module 106 and the contactless switch K10 adhesive in filtering control module 104, PWM DC side bus capacitor C0 is charged, controller module 80 is sampled by the voltage of 187 pairs of bus capacitors, such as become with the voltage of electrokinetic cell after preset multiple to control adhesive three phase switch K8 again when capacitance voltage reaches selected controling parameters, disconnect K9 simultaneously.Now this power system is according to chosen in advance parameter, controller module 80 sends pwm signal, control two-way DC/AC module 50 pairs of alternating current and carry out rectification, again according to electrokinetic cell voltage, control two-way DC/DC module 30 pairs of voltages to regulate, finally direct current (DC) is flowed to electrokinetic cell 10, in the process, the phase current that controller module 80 feeds back according to chosen in advance target charge current and current sample 184, the electric current loop whole power system being carried out to closed loop regulates, and final realization is charged to vehicle mounted dynamic battery 10.Thus, 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, in conjunction with two-way DC/DC module 30, can realize single-phase three-phase electricity to the charging of vehicle mounted dynamic battery 10.

(3) function (VtoL) is carried from guipure: this power system receives instrument VtoL instruction, first judge that whether power battery charged state SOC is in dischargeable range, if allow electric discharge, output electrical system is selected again according to instruction, according to the rated current of charge-discharge connecting device, intelligent selection exports maximum output power and given controling parameters, and system enters control flow.First controller module 80 controls adhesive three phase switch K8, contactless switch K10, according to cell pressure and given output voltage, transmission pwm signal controls two-way DC/DC module 30 pairs of voltages and regulates, flowing to two-way DC/AC module 50 after reaching expected value DC inverter is alternating current, can directly for consumer is powered by special charging socket.In the process, controller module 80 regulates according to voltage sample 183 feedback, the work that proof load is safe and reliable.

Namely say, system electrification, when receiving VtoL control command and the output electrical system requirement of instrument, detect the relevant information of charging connection signal and car load battery management, voltage according to battery carries out DC/DC voltage transitions, use two-way DC/AC module 50 and carry out ac converter function, stable output single-phase three-phase alternating voltage.

(4) grid-connected function of supplying power (VtoG): this power system receives instrument VtoG instruction, first judge that whether electrokinetic cell SOC is in dischargeable range, if allow electric discharge, output electrical system is selected again according to instruction, according to the rated current of charge-discharge connecting device, intelligent selection exports maximum output power and given controling parameters, and power system enters control flow.First controller module 80 controls adhesive three phase switch K8, contactless switch K10, according to cell pressure and given output voltage, transmission pwm signal controls two-way DC/DC module 30 pairs of voltages and regulates, be alternating current through two-way DC/AC module 50 DC inverter, according to the phase current that chosen in advance discharge current expected value and current sample 184 are fed back, the electric current loop whole power system being carried out to closed loop regulates, and realizes generating electricity by way of merging two or more grid systems.

That is, power system powers on, when receiving the VtoG control command of instrument, detect the relevant information of charging connection signal, AC network electricity system and car load battery management, voltage according to battery carries out DC/DC voltage transitions, use two-way DC/AC module 50 and carry out ac converter, realize single-phase three-phase vehicle to electrical network discharging function.

(5) vehicle is to Vehicular charging function (VtoV): VtoV function needs to use special connection plug, when power system detects that charging connection signal CC is effective, and detect that its level confirms as VTOV special charging plug, wait for instrument order.Such as, suppose that vehicle A charges to vehicle B, then vehicle A is set to discharge regime and is namely set to carry function from guipure, vehicle B is set to AC charging state, the controller module transmission charging connection of vehicle A charges normal ready message to battery manager, and battery manager controls charging and discharging circuit preliminary filling, sends charging permission, charging contactor adhesive message to controller module after completing, this power system carries out discharging function, and sends pwm signal.After vehicle B receives charging instruction, its systems axiol-ogy is to CP signal, be judged as that powered vehicle A is ready, controller module 80 sends and connects normal message to battery manager, battery manager completes preliminary filling flow process after receiving instruction, notification controller module, and whole power system charging is ready, starting charge function (GtoV), finally realizing vehicle to filling function.

That is, system electrification, when receiving the VtoV control command of instrument, detect the relevant information of charging connection signal and car load battery management, arrange vehicle for exchanging out-put supply state, analog charge box exports CP semiotic function simultaneously, realizes and needs the vehicle of charging to carry out alternately.This vehicle carries out DC/DC voltage transitions according to the voltage of battery, uses two-way DC/AC module 50 and carries out ac converter, realize single-phase three-phase vehicle to vehicle to filling function.

In one embodiment of the invention, as shown in figure 15, the control flow of this power system at the end of charging electric vehicle comprises the steps:

S1301, power equipment supply disconnects power switch, stops exchanging exporting, and enters step S1305.

S1302, controller module controls to stop charging, unloads, enters next step S1303.

S1303, has unloaded rear breaking inner switch, sends charging end message.

S1304, sends power down request.

S1305, charging terminates.

Wherein, as shown in figure 16, power equipment supply 301 by being connected with the vehicle plug 303 of electronlmobil 1000 for plug 302, thus realizes charging to electronlmobil 1000.Wherein, the power system of electronlmobil detects CP signal by check point 3 and detects CC signal by check point 4, and power equipment supply detects CP signal by check point 1 and detects CC signal by check point 2.Further, after charging complete, all control to disconnect the internal switch S2 in plug 302 and vehicle plug 303.

In another embodiment of the present invention, electronlmobil can also adopt the parallel connection of multiple power system to charge to electrokinetic cell, and such as, to power battery charging after employing two power system parallel connections, wherein two power systems share controller modules.

In the present embodiment, as shown in figure 17, this charging system for electric automobile comprises electrokinetic cell 10, first charging paths 401, second charging paths 402 and controller module 80.Wherein, the first charging paths 401 and the second charging paths 402 include charging/discharging socket 20, two-way DC/DC module 30, bus capacitor C0, two-way DC/AC module 50, filtration module 103, charge and discharge control module 70 and the second preliminary filling module 106.Further, the first charging paths 401 and the second charging paths 402 also comprise fuse FU.Electrokinetic cell 10 is connected with the first charging paths by the first preliminary filling control module 101, electrokinetic cell 10 is also connected with the second charging paths by the first preliminary filling control module 101, controller module 80 is connected with the second charging paths 402 with the first charging paths 401 respectively, when wherein controller module 80 is for receiving charging signals, controls electrical network and charging respectively by the first charging paths 401 and the second charging paths 402 pairs of electrokinetic cells 10.

In addition, another embodiment of the present invention also proposed a kind of charge control method of elec. vehicle, and this charge control method comprises the following steps:

Step S1, controller module detects that the first charging paths is connected with power equipment supply by charging/discharging socket, and when the second charging paths is connected with power equipment supply by charging/discharging socket, sends charging connection signal to battery manager.

Step S2, battery manager detects and judges that electrokinetic cell is the need of charging after receiving the charging connection signal of controller module transmission, when electrokinetic cell needs charging, performs next step.

Step S3, battery manager sends charging signals to controller module.

Step S4, when controller module receives charging signals, controls electrical network and charges to electrokinetic cell respectively by the first charging paths and the second charging paths.

Adopt charging system for electric automobile and the charge control method thereof of technique scheme, controller module charges to electrokinetic cell respectively by the first charging paths and the second charging paths by controlling electrical network, the charge power of battery-driven car is increased, thus greatly shorten charging duration, realize fast charge, save time cost.

In an embodiment of the present invention, the above-mentioned power system compatibility for electronlmobil is in extensive range, has single-phase three-phase handoff functionality, and adapts to country variant electrical network electricity standard processed.

Particularly, as shown in figure 18, charging/discharging socket 20 has the function that two charging sockets (such as American Standard and Europe superscript) switch.This charging/discharging socket 20 comprises single-phase charging socket 501 such as American Standard, three-phase charging socket 502 such as Europe superscript, two high voltage connector K503, K504 compositions.Single-phase charging socket 501 shares with CC, CP and PE of three-phase charging socket 502, and L, N phase line of single-phase charging socket 501 is connected with A, B of three-phase charging socket 503 by contactless switch K503, K504.When controller module 80 receives single-phase discharge and recharge instruction, control contactor K503, K504 are closed, make A, B phase of three-phase charging socket 502 and L, N phase line conducting of single-phase charging socket 501, three-phase charging socket 502 does not use, replace L, N phase line of single-phase charging socket 501 to be connected with charging plug by A, B phase of three-phase charging socket 502, controller module 80 can normally realize single-phase charge function.

Or, utilize standard 7 core socket, single-phase switch K7 is increased between N line and B phase line, controller module 80 receives single-phase discharge and recharge instruction, control single-phase switch K7 adhesive, B phase line is connected with N line, is used as L, N phase line by A, B phase, connection plug need use special connection plug, or its B, C phase does not do the connection plug used.

That is, in an embodiment of the present invention, power system is by the voltage according to controller module 80 detection of grid, by calculating the frequency and the single-phase/three-phase that judge electrical network, according to computing information with after drawing electricity system, controller module 80 is according to the type of charge-discharge plug 20 and electrical network electricity system, select different controling parameters, control two-way DC/AC module 50 pairs of alternating-current voltage/AC voltages and carry out controlled rectification, two-way DC/DC module 30 carries out pressure regulation according to cell pressure to direct current (DC), finally flows to electrokinetic cell 10.

In another example of the present invention, as shown in figure 19, be the socket of two cores, three cores and four-core from guipure placing plug, be connected with charging plug, can output single-phase, three-phase, the electric electricity made of four phases.

According to the integrated control system of the electronlmobil of the embodiment of the present invention according to the difference of mode of operation, the unified of each working state of system can be realized switch, each discrete part of cooperation control vehicle, compatible strong, and owing to having cooling system, meet cooling requirements during high power work, electronlmobil difference in functionality demand and expansion can be met, there is good comformability.This system realizes the compatibility driven electronlmobil, charging, externally discharging function require, and can meet the requirement of high-power output.

Describe and can be understood in diagram of circuit 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 treater or other can from instruction execution system, device or equipment fetch instruction 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 sheets, " 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 (electronics package) with one or more wiring, portable computer diskette box (magnetic device), random access memory (RAM), read-only memory (ROM) (ROM), erasablely edit read-only memory (ROM) (EPROM or flash memory), fiber device, and portable optic disk read-only memory (ROM) (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 scanning 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 special IC of suitable combinatory 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 (ROM), disk or CD etc.

In the description of this specification sheets, 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, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments without departing from the principles and spirit of the present invention, scope of the present invention is by claims and equivalency thereof.

Claims

1. an integrated control system for electronlmobil, is characterized in that, comprising:

Electrokinetic cell;

High-tension distribution box, described high-tension distribution box is connected with described electrokinetic cell;

Drive and discharge and recharge integrated manipulator, described driving and discharge and recharge integrated manipulator are connected with described electrokinetic cell by described high-tension distribution box, and described driving and discharge and recharge integrated manipulator are connected with charging/discharging socket with motor respectively, described driving and discharge and recharge integrated manipulator are used for driving described motor when described electronlmobil is in drive pattern, and carry out discharge and recharge by described charging/discharging socket to described electrokinetic cell when described electronlmobil is in charge and discharge mode;

Additional high pressure device, described additional high pressure device is connected with described electrokinetic cell by described high-tension distribution box;

One DC/DC module, a described DC/DC module is connected with described electrokinetic cell by described high-tension distribution box; And

Controller, described controller is connected with described high-tension distribution box, before powering in described driving and discharge and recharge integrated manipulator, described additional high pressure device and a described DC/DC module, precharge is carried out by described high-tension distribution box for controlling described high-tension distribution box, wherein, described high-tension distribution box comprises:

First preliminary filling control module and first switch in parallel with described first preliminary filling control module, described first preliminary filling control module is connected with one end of described electrokinetic cell with one end of described first switch, and described first preliminary filling control module is connected with the first end of described driving and discharge and recharge integrated manipulator with the other end of described first switch;

Second preliminary filling control module and the second switch in parallel with described second preliminary filling control module, described second preliminary filling control module is connected with one end of described electrokinetic cell with one end of described second switch, and described second preliminary filling control module is connected with the first end of a described DC/DC module with the other end of described second switch;

3rd preliminary filling control module and three switch in parallel with described 3rd preliminary filling control module, described 3rd preliminary filling control module is connected with one end of described electrokinetic cell with one end of described 3rd switch, and described 3rd preliminary filling control module is connected with the first end of described additional high pressure device with the other end of described 3rd switch;

5th switch, one end of described 5th switch is connected with the other end of described electrokinetic cell, and the other end of described 5th switch is connected with the second end of described additional high pressure device with described driving and discharge and recharge integrated manipulator, a described DC/DC module respectively; And

4th switch, one end of described 4th switch is connected with one end of described electrokinetic cell, and the other end of described 4th switch is connected with the 3rd end of described driving and discharge and recharge integrated manipulator.

2. the integrated control system of electronlmobil as claimed in claim 1, is characterized in that,

When described electronlmobil is in drive pattern or charge and discharge mode, described controller carries out precharge closed described 4th switch simultaneously by described first preliminary filling control module to described driving and discharge and recharge integrated manipulator, when the bus voltage of described driving and discharge and recharge integrated manipulator becomes preset multiple with the voltage of described electrokinetic cell, control described first preliminary filling control module and turn off and close described first switch.

3. the integrated control system of electronlmobil as claimed in claim 2, it is characterized in that, after closed described first switch, described controller also carries out precharge by described 3rd preliminary filling control module to described additional high pressure device, when the bus voltage of described additional high pressure device becomes preset multiple with the voltage of described electrokinetic cell, control described 3rd preliminary filling control module and turn off and close described 3rd switch.

4. the integrated control system of electronlmobil as claimed in claim 3, it is characterized in that, when described electronlmobil is in drive pattern, after closed described 3rd switch, described controller also carries out precharge by described second preliminary filling control module to a described DC/DC module, when the bus voltage of a described DC/DC module becomes preset multiple with the voltage of described electrokinetic cell, control described second preliminary filling control module and turn off and close described second switch.

5. the integrated control system of electronlmobil as claimed in claim 1, is characterized in that, also comprise:

Refrigerating module, described refrigerating module is used for cooling described integrated control system.

6. the integrated control system of electronlmobil as claimed in claim 1, it is characterized in that, described driving and discharge and recharge integrated manipulator comprise further:

Two-way DC/DC module, first DC terminal of described two-way DC/DC module is connected with the other end of described 4th switch, second DC terminal of described two-way DC/DC module is connected with the other end of described first switch with described first preliminary filling control module, wherein, described first DC terminal is the common DC end of described two-way DC/DC module input and output;

Two-way DC/AC module, the first DC terminal of described two-way DC/AC module is connected with the other end of drived control switch, and the second DC terminal of described two-way DC/AC module is connected with the other end of described 4th switch;

Motor control switch, one end of described motor control switch is connected with the end that exchanges of described two-way DC/AC module, and the other end of described motor control switch is connected with motor;

Charge and discharge control module, one end of described charge and discharge control module is connected with the end that exchanges of described two-way DC/AC module, and the other end of described charge and discharge control module is connected with described charging/discharging socket; And

Controller module, described controller module is connected with charge and discharge control module with described drived control switch, motor control switch, and described controller module is used for controlling described drived control switch, motor control switch and charge and discharge control module according to the current residing mode of operation of the power system of described electronlmobil.

7. the integrated control system of electronlmobil as claimed in claim 6, is characterized in that,

When the current residing mode of operation of described power system is drive pattern, it is closed to close described two-way DC/DC module that described controller module controls described 5th switch, and it is closed to control described motor control switch, and control the disconnection of described charge and discharge control module.

8. the integrated control system of electronlmobil as claimed in claim 7, is characterized in that,

When the current residing mode of operation of described power system is charge and discharge mode, described controller module controls described 5th switch and disconnects to start described two-way DC/DC module, and control the disconnection of described motor control switch, and it is closed to control described charge and discharge control module.

9. the integrated control system of electronlmobil as claimed in claim 6, it is characterized in that, described two-way DC/DC module comprises further:

First switching valve of mutual series connection and second switch pipe, between the first DC terminal that first switching valve of described mutual series connection and second switch pipe are connected to described two-way DC/DC module and the 3rd DC terminal, described first switching valve and second switch pipe are subject to the control of described controller module, wherein, between described first switching valve and second switch pipe, there is first node;

First diode, described first diode and described first switching valve reverse parallel connection;

Second diode, described second diode and described second switch pipe reverse parallel connection;

First inductance, one end of described first inductance is connected with described first node, and the other end of described first inductance is connected with one end of described electrokinetic cell; And

First electric capacity, one end of described first electric capacity is connected with the other end of described first inductance, and the other end of described first electric capacity is connected with the other end of described electrokinetic cell.

10. the integrated control system of electronlmobil as claimed in claim 6, it is characterized in that, described driving and discharge and recharge integrated manipulator also comprise:

Drain current cuts down module, and described drain current cuts down model calling between first DC terminal and the 3rd DC terminal of described two-way DC/DC module of described two-way DC/DC module.

The integrated control system of 11. electronlmobils as claimed in claim 10, is characterized in that, described drain current is cut down module and comprised further:

Second electric capacity and the 3rd electric capacity, one end of described second electric capacity is connected with one end of described 3rd electric capacity, the other end of described second electric capacity is connected with the first DC terminal of described two-way DC/DC module, the other end of described 3rd electric capacity is connected with the 3rd DC terminal of described two-way DC/DC module, wherein, between described second electric capacity and the 3rd electric capacity, there is Section Point.

The integrated control system of 12. electronlmobils as claimed in claim 11, it is characterized in that, described driving and discharge and recharge integrated manipulator also comprise:

Filtration module, described filtration module is connected between described two-way DC/AC module and described charge and discharge control module.

The integrated control system of 13. electronlmobils as claimed in claim 12, it is characterized in that, described driving and discharge and recharge integrated manipulator also comprise:

Filtering control module, described filtering control module is connected between described Section Point and described filtration module, described filtering control module controls by described controller module, and described controller module controls described filtering control module when the current residing mode of operation of described power system is drive pattern and disconnects.

The integrated control system of 14. electronlmobils as claimed in claim 12, is characterized in that, also comprise:

Second preliminary filling control module, described second preliminary filling module and described charge and discharge control wired in parallel, described second preliminary filling control module is used for carrying out precharge to the electric capacity in described filtration module.

The integrated control system of 15. electronlmobils as claimed in claim 6, it is characterized in that, described charge and discharge control module comprises further:

Three phase switch and/or single-phase switch, for realizing three-phase discharge and recharge and/or single-phase discharge and recharge.

16. 1 kinds of electronlmobils, is characterized in that, comprise the integrated control system as described in any one of claim 1-15.