CN103419657B - For dynamical system and the electric vehicle of electric vehicle - Google Patents
For dynamical system and the electric vehicle of electric vehicle Download PDFInfo
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- CN103419657B CN103419657B CN201210160500.2A CN201210160500A CN103419657B CN 103419657 B CN103419657 B CN 103419657B CN 201210160500 A CN201210160500 A CN 201210160500A CN 103419657 B CN103419657 B CN 103419657B
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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Abstract
The invention discloses a kind of dynamical system for vehicle, comprising: battery pack; Cell heater; Battery manager, described battery manager is connected with described cell heater with described battery pack respectively, to control the heating of described cell heater to described battery pack; Motor, described motor is used for driving described electric vehicle to travel; Distributor; Motor controller, described motor controller is connected with described distributor with described motor, for controlling the operation of described motor; And isolation inductance, described isolation inductance and described distributor are connected in series. According to dynamical system of the present invention, can utilize the heat that battery pack self produces and realize the heating to battery, thereby greatly having reduced the particularly restriction of electric vehicle under low temperature environment of vehicle. The invention also discloses the vehicle with this dynamical system.
Description
Technical field
The present invention relates in general to electric vehicle technical field, in particular to the dynamical system for electric vehicle and electric motor car.
Background technology
It should be noted that, the elaboration of this part is only to provide the background information being associated with the disclosure and may or can not formsPrior art.
Under normal circumstances, the operating temperature of lithium ion battery is-20 DEG C to 55 DEG C, and battery does not allow charging at low temperatures. ?When environment temperature is too low, electric motor car internal cell there will be following problem: 1, lithium ion capacity deposits at negative pole, loses electricity and livesProperty, even may cause safety problem; Vehicle/power brick is often used at low temperatures, the greatly infringement power brick life-span, moreWhen serious, may have potential safety hazard. 2,, when lithium ion cell charging, lithium ion easily, in negative pole deposition, becomes dead lithium, electricityThe capacity that pond can be brought into play significantly declines; In continuous use procedure, these lithium deposition are more long larger, even may cause insideShort circuit, causes potential safety hazard. This is the reason that vehicle can not charge (comprising feedback) at low temperatures. 3, the electric discharge energy of batteryPower is limited, is unfavorable for driving.
At present, heating of battery has been a kind of very important technology in electric automobile field. The quality of heating of battery strategy,The quality of cell heater performance directly has influence on comfortableness, operational stability and the security of automobile. In electric motor car, heatingDevice is connected with electrokinetic cell. Along with social development, new forms of energy car, particularly pure electric vehicle are as a kind of walking-replacing tool, justEnter at leisure each family, user is also more and more higher to the performance requirement of automobile, the particularly requirement to comfortableness, and this is justRequire vehicle must adapt to different driving demands. But most electric motor car of present stage obviously cannot meet this requirement, spyNo matter be not that temperature is too low in cold winter, make the hydraulic performance decline of electrokinetic cell, be on discharge capability, or at batteryOn capacity, all can decline to some extent, even can not use.
Summary of the invention
The present invention is intended at least solve one of technical problem existing in prior art. For this reason, the present invention need to provide a kind of electronicThe dynamical system of vehicle, described dynamical system is without additional power source, and it is right that the energy that can utilize self power battery to provide is realizedThe heating of electrokinetic cell.
In addition, the present invention need to provide a kind of dynamical system for electric vehicle, and described dynamical system can greatly reduce electricityThe restriction that motor vehicle is used at low temperature environment reduces costs in improving the efficiency of heating surface.
According to an aspect of the present invention, provide a kind of dynamical system for electric vehicle, having comprised: battery pack; Heating of batteryDevice, described cell heater is connected with described battery pack, described cell heater be configured to be suitable for can described battery pack and described inBetween cell heater, discharge and recharge, with the heat by producing in described battery pack, described battery pack is heated; ElectricityPool manager, described battery manager is connected with described cell heater with described battery pack respectively, to control described heating of batteryThe heating of device to described battery pack; Motor, described motor is used for driving described electric vehicle to travel; Distributor, described in joinElectrical equipment is connected to described battery pack, and in parallel with described battery pack, for the voltage of described battery pack output is distributed; ElectricityMotivation controller, described motor controller is connected with described distributor with described motor, for controlling the behaviour of described motorDo; And isolation inductance, described isolation inductance and described distributor are connected in series, and described isolation inductance is arranged on described batteryThe outside of heater.
Dynamical system according to the present invention, by the structure of cell heater at described battery pack and described cell heaterBetween discharge and recharge, utilize the energy of described battery pack self to realize the heating to battery pack thereby realized, efficiency is higher.Owing to not needing special external power source, thereby reduce manufacturing cost, easily realized industrial extensive manufacture. In addition, byThe outside that is arranged on cell heater in isolation inductance, distributor is in parallel with cell heater, thus this distributor and other carLive device is reduced by the impact of cell heater effectively. In addition, due to not moving between distributor and cell heaterThe line of force connects, and battery pack goes out four power lines, and wherein two are connected with distributor, and all the other two are connected with cell heater.Distributor is reduced by the impact of cell heater, because be relation in parallel between cell heater and high-tension distribution box, in motor workWhen work and heater are idle, can be by switch control, can not make electric current pass through cell heater.
The embodiment of second aspect present invention discloses a kind of electric vehicle, comprises the dynamical system of above-mentioned electric vehicle.This electric automobile can normally travel in cold area, and can drive a vehicle on one side, on one side battery pack is heated,Thereby ensure safety driving smoothly.
Additional aspect of the present invention and advantage in the following description part provide, and part will become bright from the following descriptionAobvious, or recognize by practice of the present invention.
Brief description of the drawings
Above-mentioned and/or additional aspect of the present invention and advantage from conjunction with below accompanying drawing to the description of embodiment, will become obviously withEasily understand, wherein:
Fig. 1 is the structural representation for the dynamical system for electric vehicle according to an embodiment of the invention;
Fig. 2 be according to an embodiment of the invention, for the electrical structure schematic diagram of the dynamical system of electric vehicle;
Fig. 3 be according to an embodiment of the invention, for the electrical connection schematic diagram of the dynamical system of electric vehicle;
Fig. 4 be according to an embodiment of the invention, for the electrical connection schematic diagram of the dynamical system of electric vehicle; And
Fig. 5 be according to an embodiment of the invention, for the structural representation of the distributor of the dynamical system of electric vehicleFigure.
Detailed description of the invention
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, wherein from start to finish identical orSimilar label represents same or similar element or has the element of identical or similar functions. Below by what be described with reference to the drawingsEmbodiment is exemplary, only for explaining the present invention, and can not be interpreted as limitation of the present invention.
In following illustrative in nature, be exemplary, instead of limit by any way the disclosure, application of the present disclosure or makeWith. For simplicity, will use in the accompanying drawings identical reference number to identify similar element. As used herein, term extremelyAt least one in few A, B and C it must be understood that as referring to logic (A or B or C), uses nonexcludability logic ORPerson. It must be understood that, in the situation that not changing principle of the present disclosure, the step in method can different orders be carried out.
In description of the invention, it should be noted that, unless otherwise prescribed and limit term " installations ", " being connected ", " companyConnect " should be interpreted broadly, for example, can be mechanical connection or electrical connection, can be also the connection of two element internals, canBe to be directly connected, also can be indirectly connected by intermediary, for the ordinary skill in the art, can be according to toolBody situation is understood the concrete meaning of above-mentioned term.
With reference to description and accompanying drawing below, these and other aspects of embodiments of the invention will be known. At these descriptions and accompanying drawingIn, should be appreciated that the scope of embodiments of the invention is not subject to the restriction of disclosed example in description. On the contrary, of the present inventionEmbodiment comprises all changes, amendment and the equivalent within the scope of spirit and the intension that falls into appended claims. For example, existThe description of the dynamical system for electric vehicle below, will be described as example using electric motor car. But, common skillArt personnel obviously know, the present invention is not limited only to electric motor car, also dynamical system of the present invention can be applied to the electricity of other typesPower-actuated vehicle, such as hybrid electric vehicle etc.
According to one embodiment of present invention, provide a kind of dynamical system for electric vehicle. As shown in fig. 1, this is movingPower system can comprise: battery pack 101, cell heater 102, battery manager 103, distributor 104, motor 105,Motor controller 106 and isolation inductance L 2. Battery pack 101 is suitable for electric vehicle that power is provided, alternatively, and this batteryGroup 101 can be power battery pack, also can be formed by electric vehicle provides the battery of power for any. Heating of batteryDevice 102 is connected with battery pack 101, and described cell heater 102 be configured to be suitable for can be at described battery pack 101 and described electricityBetween pond heater 102, discharge and recharge, with the heat by described battery pack 101 interior generations, described battery pack 101 is enteredRow heating.
Battery manager 103 is connected with described cell heater 102 with battery pack 101 respectively, to control cell heater 102To the heating of battery pack 101. Alternatively, battery manager 103 is connected with cell heater 102 by CAN line 107, withIn time, is also connected with battery pack 101 by sample line 108, with the battery in battery pack 101 carry out temperature sampling, voltage sample,To battery pack 101 output current samplings etc. In addition, battery manager 103 also has the function of calculating battery dump energy, andCan control signal be sent to relevant electric device by CAN line 107, to realize the management to battery functi on. Particularly,Battery manager 103 for the temperature in battery pack 101 lower than the first predetermined temperature threshold and battery pack 101 dump energies higher thanWhen predetermined power threshold, control cell heater 102 battery pack 101 is heated.
According to one embodiment of present invention, distributor 104 can be the high tension apparatus of a large electric current of break-make, as institute in Fig. 4Show, distributor 104 is in parallel with cell heater 102, and battery manager 103 is by transmitting control signal to distributor 104Reaching the voltage that battery pack 101 is exported distributes.
According to one embodiment of present invention, motor controller 106 is connected with distributor 104 with motor 105 respectively, andMotor controller 106 there is first input end, the second input and be connected to first input end and the second input between pre-C2 is held in charging, and motor controller 106 is for the voltage for motor controller distribution according to control instruction and distributor 104For motor 105 is powered. Particularly, motor controller 106 can be by its inner drive circuit battery pack 101The DC inverter providing becomes the required three-phase alternating current of motor 105 to power to motor 105.
In one embodiment of the invention, described battery manager 103 is controlled to described dynamical system is operated in to driving heatingIn pattern or parking heating mode. In described driving heating mode, described motor controller 106 is according to described cell tubeDescribed in the signal controlling that reason device 103 sends, motor 105 moves under limit power. Described cell heater 102 carries out faultAfter self-inspection, testing result is sent to described battery manager 103, and in the described cell heater 102 time institute of breaking downState battery manager 103 and send the prompting of forbidding that described electric automobile heats, travels or charge.
Driving heating specifically refers to that other high pressure electricity consumption of electric vehicle is established except cell heater is to battery pack heatingFor also can work simultaneously, such as motor, air-conditioning etc., but motor and air-conditioning can be by limit Power operations. Accordingly, parking addsHeat refers to that other high pressure consumer of electric vehicle is not worked, for example except cell heater is to battery pack heatingWhen cell heater work, the high pressure consumers such as motor, air-conditioning are not worked. Correspondingly, driving power threshold refers to fairPermitted the dump energy that electric vehicle enters battery pack while driving a vehicle heating mode, and parking electric weight refers to that permission electric vehicle entersThe dump energy of battery pack when parking heating mode.
According to one embodiment of present invention, isolation inductance L 2 can be connected between battery pack 101 and distributor 104, andThe isolation inductance value of inductance L 2 and the pre-charging capacitor C2 of motor controller match. In one embodiment of the invention, everyInductance value L from inductance L 2 determines according to following formula:The equivalent load work week that wherein T is motorPhase, C is the capacitance of pre-charging capacitor C2.
Below in conjunction with Fig. 2, the detailed structure of the cell heater in described dynamical system is described. As shown in Figure 2,Cell heater comprises: the first switch module 301, the first capacitor C 1, the first inductance L 1 and second switch module 302. TheOne end of one switch module 301 is connected with isolation inductance L 2 with the first electrode of battery pack 101. One end of the first capacitor C 1 withThe other end of the first switch module 301 is connected, and the other end of the first capacitor C 1 is connected with the second electrode of battery pack 101.One end of the first inductance L 1 is connected with the node between the first switch module 301 and the first capacitor C 1. Second switch module 302One end be connected with the other end of the first inductance L 1, and the second electricity of the other end of second switch module 302 and battery pack 101Extremely connected. The control end of the first switch module 301 and second switch module 302 is connected with battery manager 103 respectively, rightWhen battery pack 101 heats, battery manager 103 sends a signal to cell heater 102, and cell heater 102 controls firstSwitch module 301 and second switch module 302 conducting successively, and in the time of the first switch module 301 conducting second switch module302 close, and in the time of 302 conducting of second switch module, the first switch module 301 is closed.
Further, as shown in Figure 2, in battery pack 101, ESR is battery pack equivalent internal resistance, and ESL is battery pack equivalent inductance,E is battery pack. L2 is isolation inductance, for representing the Part2 of cell heater 102 and the equivalent load of motor 105Circuit Part5 is isolated, and the counter voltage of battery pack 101 is just isolated inductance L 2 and absorbs like this, can not be added to rear class load.C2 is the dc-link capacitance of motor controller 106, i.e. pre-charging capacitor, and R represents the equivalent load of motor 105. BatteryWhen heater 102 is worked, its internal switch module is closed and shutoff according to certain sequential.
In an example of the present invention, as shown in Figure 2, switch module can be IGBT(InsulatedGateBipolarTransistor, insulated gate bipolar transistor). It should be noted that, this switch module can adopt other can realize circuitThe device of break-make, within it also falls into protection scope of the present invention. When heating start time, internal component as inductance, electric capacity allIn original state, not storage power, the workflow of cell heater 102 comprises: (1) IGBT1 conducting, IGBT2When shutoff, power brick E charges to the first capacitor C 1 by loop " C1-D1-ESL-ESR-E-C1 ", when charge intoRow is after a period of time, and the voltage at the first capacitor C 1 two ends equates with the voltage of power brick E, but owing to existing in circuitInductive element, makes the first capacitor C 1 continue charging, and the first capacitor C 1 both end voltage is higher than power brick E voltage, works as chargingElectric current is 1 o'clock, and the first capacitor C 1 starts electric discharge, and now discharge loop is C1-D1-ESL-ESR-E-C1 ", until electric dischargeElectric current is zero. (2) IGBT1 turn-offs, and in the time of IGBT2 conducting, the first capacitor C 1 continues electric discharge. Wherein exist and discharge backRoad is " C1-D2-L1-IGBT2-C1 ". Due to the existence of the first inductance L 1, the first capacitor C 1 continues electric discharge, makes firstCapacitor C 1 both end voltage is lower than power brick E voltage. So repeat said process, thereby realized by battery pack 101Charging and discharging repeatedly, and having realized battery pack 101 conducting self-heatings, by the structure of cell heater 102 in battery pack101 and cell heater 102 between discharge and recharge, utilize the energy of battery pack 101 self to realize electricity thereby realizedThe heating of pond group 101, efficiency is higher. Owing to not needing special external power source, thereby reduce manufacturing cost, easily realizedIndustrial extensive manufacture.
In the time of the first switch module 301 conducting, if do not add isolation inductance L 2, pre-charging capacitor C2 is by the first switch module301 pairs of the first capacitor C 1 are charged, and charging current, by total anti-decision in loop, causes the first capacitor C 1 current waveformUncontrollable, heater circuit characteristic is changed, circuit cisco unity malfunction. Therefore, according to one embodiment of present invention, work as electricityWhen motivation 105 is worked with cell heater 102 simultaneously, need add isolation inductance L 2.
With reference to Fig. 3, in one embodiment of the invention, isolation inductance L 2 is placed on the outside of cell heater 102. ByThe outside that is arranged on cell heater in isolation inductance, distributor is in parallel with cell heater, thus this distributor and other carLive device is reduced by the impact of cell heater effectively. Alternatively, isolation inductance L 2 can be arranged on distributor 104Within, be construed as: isolation inductance L 2 is connected with distributor 104 by circuit, is arranged in the housing of distributor 104.According to one embodiment of present invention, cell heater 102 can comprise a low pressure connector, for carrying out with external systemConnect and communication, comprising the CAN line 107 for connecting battery manager 103 and self-test signal line and fault-signal line.
According to one embodiment of present invention, battery pack 101 can be respectively by for example 4 power lines and cell heater 102Be connected with distributor 104. Described power line is respectively by being arranged on cell heater 102, distributor 104 and batteryPower connector in group 101 is fixed and connects. According to one embodiment of present invention, battery pack 101 also comprises for example fourPower connector, wherein two are connected with cell heater 102 by power line 109, and two other power connector is by movingThe line of force 109 is connected with distributor 104. Power connector is for top and the end of high-voltage wiring harness, cell heater 102 with joinBetween electrical equipment 104, be to be connected in parallel. Thus, in motor 105 courses of work, distributor 104 is subject to cell heater 102Impact reduce because be relation in parallel between cell heater 102 and distributor 104, work and battery at motor 105When heater 102 quits work, can not allow electric current pass through cell heater 102 by switch control, thereby reduce batteryThe impact of heater 102 on distributor 104.
With reference to Fig. 1 and Fig. 5, in another embodiment of the present invention, isolation inductance L 2 is placed on distributor 104 inside.As shown in Figure 4, between distributor 104 and cell heater 102, do not have power line to connect, and cell heater 102 and distributionIt between device 104, is relation in parallel. In addition, insurance 401 is arranged on battery pack 101 inside.
According to the embodiment of the present invention embodiment, this dynamical system also comprises relay 501, and relay 501 is connected to electricityBetween pond group 101 and distributor 104, and when being arranged in battery pack 101 and heating by described isolation inductance L 2 places in circuit andIn the time that described battery pack 101 does not heat, described isolation inductance L 2 is shifted out to circuit. Isolation inductance L 2 is arranged in distributor 104Portion, its outstanding advantages is that the impact of the suffered cell heater 102 of distributor 104 greatly reduces.
In one embodiment of the invention, with reference to Fig. 1-Fig. 3, cell heater 102 also comprises cooling package 110, forCarry out cooling to the first switch module 301 in cell heater 102 and second switch module 302.
In one embodiment of the invention, cooling package 110 may further include the wind being arranged in cell heater 102Road and the fan that is arranged on one end, air channel. The cell heater that adopts fan to dispel the heat.
In another embodiment of the present invention, cooling package 110 may further include and is arranged in cell heater 102Cooling passage and be arranged on cooling liquid inlet and the cooling liquid outlet (not shown) on cell heater 102. Adopt coolingThe cell heater that liquid dispels the heat, good heat dissipation effect, and sealing property is good.
In one embodiment of the invention, as shown in Figure 5, the distributor 104 in the dynamical system of electric automobile can enter oneStep comprises: main contactor 601 and preliminary filling contactor 602. Main contactor 601 is for inciting somebody to action under the control at battery manager 103The output voltage of distributor 104 is dispensed to the consumer of electric automobile, as motor 105 etc. Preliminary filling contactor 602 and electricityOne of them is connected the first input end 603 of motivation controller 106 and the second input 604, in the present embodiment, described pre-Filling contactor 602 is connected with first input end 603. Preliminary filling contactor 602 is under the control at battery manager 103,Before motor controller 106 is controlled motor 105 startups, it is pre-charging capacitor C2 charging.
To the operating process of the dynamical system for vehicle of the present invention simply be described below. After electric motor car is activated, batteryManager 103 is started working, and detects the break-make situation of the main contactor in mean temperature and the distributor 104 of battery pack 101.The temperature of described battery pack is the mean temperature of battery pack 101, and battery manager 103 is to the each battery mould in battery pack 101The temperature of group is sampled, and gathers the temperature value of battery pack 101 interior every batteries, and calculates the flat of the interior all batteries of battery packAll temperature. If the mean temperature of battery pack 101 is less than the dump energy of the first predetermined temperature threshold and battery pack 101 and is greater than in advanceWhile determining power threshold, user presses heat button and keeps predetermined time simultaneously, and battery manager 103 is by CAN line107 send heating of battery control instruction to cell heater 102, allow car load heating and travel. In an example of the present inventionIn, the first predetermined temperature threshold can be-10 DEG C, 30% of total electric weight that this predetermined power threshold can be battery pack 101.Before driving heating starts, namely, before machine operation, battery manager 103 transmits control signal to distributor 104,Control preliminary filling contactor and carry out adhesive, thereby make battery pack 101 to pre-charging capacitor C2 charging, when pre-charging capacitor voltage approaches electricityAfter the group voltage of pond, just allow motor 105 to carry out work. The state that battery manager 103 travels according to electric motor car will makeDescribed dynamical system is operated in driving heating mode or parking heating mode. When in driving, 106 of motor controllersThe battery-charge signal control motor 105 sending according to battery manager 103 moves under power limitation. When heating of battery is to instituteWhile needing temperature, battery manager 103 can be ended the heating of cell heater 102 to battery pack 101.
To sum up, according to the embodiment of the present invention embodiment, utilize battery pack 101 heavy-current discharges on car, power brick E certainlyBody internal resistance heating, reaches the object heating to battery pack 101. This dynamical system, without additional power source, heats required electric weight completeProvided by battery pack 101 own, by battery manager 103 and cell heater 102, battery pack 101 heated to management,Greatly reduce the restriction that electric vehicle uses at low temperature environment, and can realize the heating of driving limit, electric automobile limit, can be at electricityPond can meet electric automobile limit Power operation when heating, meet client and drive a vehicle and charging requirement in the time of low temperature. In addition, this is movingPower system directly heats battery, and the efficiency of heating surface is higher, and cost is lower, practical, easily carries out industrialization.
The embodiment of second aspect present invention discloses a kind of electric vehicle, comprises the dynamical system of above-mentioned electric vehicle.This electric automobile can normally travel in cold area, and can drive a vehicle on one side, on one side battery pack is heated,Thereby ensure safety driving smoothly.
In the description of this description, reference term " embodiment ", " some embodiment ", " example ", " concrete example ",Or the description of " some examples " etc. means specific features, structure, material or the feature bag described in conjunction with this embodiment or exampleBe contained at least one embodiment of the present invention or example. In this manual, to the schematic statement of the above-mentioned term definiteness that differsBe identical embodiment or example. And specific features, structure, material or the feature of description can be any oneOr in multiple embodiment or example with suitable mode combination.
Although illustrated and described embodiments of the invention, those having ordinary skill in the art will appreciate that: do not departing from thisIn the principle of invention and the situation of aim, can carry out multiple variation, amendment, replacement and modification to these embodiment, of the present inventionScope is limited by claim and equivalent thereof.
Claims (13)
1. for a dynamical system for electric vehicle, comprising:
Battery pack;
Cell heater, described cell heater is connected with described battery pack, and described cell heater is configured to be suitable for can be in instituteState between battery pack and described cell heater and discharge and recharge, with the heat by producing in described battery pack to described electricityPond group heats;
Battery manager, described battery manager is connected with described cell heater with described battery pack respectively, described cell tubeReason device is suitable in the temperature of described battery pack electric higher than being scheduled to lower than the dump energy of the first predetermined temperature threshold and described battery packWhen amount threshold value, control described cell heater described battery pack is heated;
Distributor, described distributor is connected to described battery pack, and in parallel with described cell heater, for to described batteryThe voltage of group output distributes;
Motor and motor controller, described motor controller is connected with described distributor with described motor, for controlMake the operation of described motor; And
Isolation inductance, described isolation inductance and described distributor are connected in series, and described isolation inductance is arranged on described battery and addsThe outside of hot device.
2. dynamical system according to claim 1, is characterized in that, described cell heater further comprises:
The first switch module, one end of described the first switch module is connected with the first electrode of described battery pack;
The first electric capacity, one end of described the first electric capacity is connected with the other end of described the first switch module, and described the first electric capacityThe other end be connected with the second electrode of described battery pack;
The first inductance, one end of described the first inductance is connected with the node between described the first switch module and described the first electric capacity;And
Second switch module, one end of described second switch module is connected with the other end of described the first inductance, and described secondThe other end of switch module is connected with the second electrode of described battery pack, the control of described the first switch module and second switch moduleSystem end is connected with described battery manager respectively.
3. dynamical system according to claim 2, is characterized in that, described battery manager sends a signal to battery and addsHot device, described cell heater is controlled to and when to described battery pack heating, controls described the first switch module and second switch mouldPiece is conducting successively, and described in the time of described the first switch module conducting, second switch module is closed, in described second switch moduleDescribed in when conducting, the first switch module is closed.
4. dynamical system according to claim 1, is characterized in that, described motor controller have first input end,The second input and be connected to described first input end and the second input between pre-charging capacitor, and described isolation inductance and instituteThe pre-charging capacitor of stating motor controller matches.
5. dynamical system according to claim 4, is characterized in that, below the inductance value L basis of described isolation inductanceFormula is determined:
The equivalent load work period that wherein T is described motor, the capacitance that C is described pre-charging capacitor.
6. dynamical system according to claim 1, is characterized in that, described battery manager is controlled to described powerSystem works is in driving heating mode or parking heating mode.
7. dynamical system according to claim 6, is characterized in that, in described driving heating mode, described electronicDescribed in the signal controlling that machine controller sends according to described battery manager, motor moves under limit power.
8. dynamical system according to claim 1, is characterized in that, further comprises: cooling package, and for to instituteStating cell heater carries out cooling.
9. dynamical system as claimed in claim 1, is characterized in that, further comprises:
Relay, described relay is connected between described battery pack and described distributor, and is arranged in battery pack when heatingBy described isolation inductance place in circuit and in the time that described battery pack does not heat, described isolation inductance is shifted out to circuit.
10. dynamical system as claimed in claim 1, is characterized in that, described battery pack respectively by power line with described inCell heater is connected with described distributor.
11. dynamical systems as claimed in claim 10, is characterized in that, described power line is respectively by being arranged on described electricityPower connector in pond heater, described distributor and described battery pack is fixed and connects.
12. dynamical systems according to claim 1, is characterized in that, described electric vehicle be pure electric automobile orHybrid electric vehicle.
13. 1 kinds of electric vehicles, comprise the dynamical system of the electric vehicle as described in claim 1-12 any one.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210160500.2A CN103419657B (en) | 2012-05-22 | 2012-05-22 | For dynamical system and the electric vehicle of electric vehicle |
| PCT/CN2013/076109 WO2013174276A1 (en) | 2012-05-22 | 2013-05-22 | Power system of electric vehicle and electric vehicle comprising the same |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210160500.2A CN103419657B (en) | 2012-05-22 | 2012-05-22 | For dynamical system and the electric vehicle of electric vehicle |
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| CN103419657B true CN103419657B (en) | 2016-05-11 |
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| CN111361457B (en) * | 2018-12-26 | 2021-12-21 | 郑州宇通客车股份有限公司 | Vehicle and heating control method of power battery of vehicle |
| DE102019207193B3 (en) * | 2019-05-16 | 2020-06-25 | Volkswagen Aktiengesellschaft | Device for heating a battery, battery management control device and method for heating a battery |
| CN112740893B (en) * | 2019-10-29 | 2023-09-08 | 南京泉峰科技有限公司 | Riding mower |
| CN111200174B (en) * | 2020-01-09 | 2021-08-24 | 湖南行必达网联科技有限公司 | Vehicle and lithium ion battery starting power supply system thereof |
| CN113746152B (en) * | 2020-05-29 | 2024-09-10 | 比亚迪股份有限公司 | Battery energy processing device and vehicle |
| CN113752913A (en) * | 2020-06-04 | 2021-12-07 | 比亚迪股份有限公司 | Energy conversion method and device and vehicle |
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| CN202641415U (en) * | 2012-05-22 | 2013-01-02 | 比亚迪股份有限公司 | Power system used for electric vehicle and electric vehicle |
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| CN1630129A (en) * | 2003-12-18 | 2005-06-22 | 明基电通股份有限公司 | Equipment for heating and charging chargeable battery under low-temperature |
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