CN107433856A - Pure electric automobile energy management method and system - Google Patents
Pure electric automobile energy management method and system Download PDFInfo
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- CN107433856A CN107433856A CN201610350150.4A CN201610350150A CN107433856A CN 107433856 A CN107433856 A CN 107433856A CN 201610350150 A CN201610350150 A CN 201610350150A CN 107433856 A CN107433856 A CN 107433856A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L1/00—Supplying electric power to auxiliary equipment of vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L58/00—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles
- B60L58/10—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- Mechanical Engineering (AREA)
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- Sustainable Energy (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Air-Conditioning For Vehicles (AREA)
Abstract
The invention provides a kind of pure electric automobile energy management method and system, this method to include：Judge the powered mode of Full Vehicle System；If energy is only provided by electrokinetic cell needed for Full Vehicle System, energy distribution is carried out to vehicle power consumption component according to the first energy consumption priority orders；If energy needed for Full Vehicle System is provided jointly by electrokinetic cell and motor, energy distribution is carried out to vehicle power consumption component according to the second energy consumption priority orders；If energy is only provided by motor needed for Full Vehicle System, energy distribution is carried out to vehicle power consumption component according to the 3rd energy consumption priority orders；If vehicle is in trickle charge pattern, the maximum charge power for controlling charger is the first predetermined power, and the consumption power for controlling air-conditioning is the second predetermined power；If vehicle is in fast charge pattern, the maximum charge power for controlling charger is the 3rd predetermined power.The present invention can save energy, improve vehicle continual mileage, while improve vehicle comfortableness.
Description
Technical field
The present invention relates to field of new energy technologies, more particularly to a kind of pure electric automobile energy management method and system.
Background technology
Pure electric automobile is the power resources using electrokinetic cell as whole, and preferable dynamic property and longer course continuation mileage are to weigh electricity
The leading indicator of electrical automobile performance, but the state of development of current driving force battery technology is constrained to, including cost, weight, capacity
Etc. each side the problem of, the rational research direction for having become one emphasis of pure electric automobile technology using energy, utilization is limited
The energy meet client maximum the needs of.Pure electric automobile is used as driven by energy dynamical system assembly by electrokinetic cell and worked, from
And driving vehicle to advance, at the same time other appliance components work on electrokinetic cell and low tension battery joint supply car is full
Sufficient vehicle security and the comfortableness of client.Energy supply device on pure electric vehicle is electrokinetic cell, power consumption component have motor,
Air-conditioning, various controllers and other comfortable annexes.
But be all to carry out energy distribution by simple energy management strategies come the component that consumed energy to vehicle at present, i.e., in supply energy
During power deficiency, some high pressure annexes are directly closed, this simple energy management strategies, although vehicle continual mileage can be increased,
But client's comfortableness can be directly affected, reduce the satisfaction of client.
The content of the invention
In view of this, the present invention is directed to propose a kind of pure electric automobile energy management method, this method can save energy, improve
Vehicle continual mileage, while improve vehicle comfortableness.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of pure electric automobile energy management method, comprises the following steps：Judge the powered mode of Full Vehicle System；It is if described whole
Energy needed for car system is only provided by electrokinetic cell, then is arranged the energy consumption of vehicle power consumption component successively from high to low according to priority
The first energy consumption priority orders are classified as, and energy is carried out to vehicle power consumption component according to the first energy consumption priority orders
Distribution, wherein, the first energy consumption priority orders are：Controller power consumption, electrokinetic cell cooling power consumption, defrosting/demister
Power consumption, motor driving power consumption, air-conditioning power consumption and comfortable annex power consumption；If energy is by the power electric needed for the Full Vehicle System
Pond and motor provide jointly, then by vehicle consume energy component energy consumption be arranged in order from high to low according to priority for the second energy consumption it is excellent
First level order, and energy distribution is carried out to vehicle power consumption component according to the second energy consumption priority orders, wherein, institute
Stating the second energy consumption priority orders is：Controller power consumption, electrokinetic cell cooling power consumption, defrosting/demister power consumption, air-conditioning power consumption
Consumed energy with comfortable annex；If energy is only provided by the motor needed for the Full Vehicle System, the energy for component that vehicle is consumed energy
Consumption is arranged in order for the 3rd energy consumption priority orders, and according to the 3rd energy consumption priority orders pair from high to low according to priority
The vehicle power consumption component carries out energy distribution, wherein, the 3rd energy consumption priority orders are：Controller power consumption, power
Battery cooling power consumption, defrosting/demister power consumption, air-conditioning power consumption, the power consumption of comfortable annex and power battery charging power consumption；If car
Trickle charge pattern is in, then the maximum charge power for controlling charger is the first predetermined power, controls the consumption power of air-conditioning as the
Two predetermined powers, and electrokinetic cell cooling consumption power is unrestricted；And if vehicle is in fast charge pattern, then described in control
The maximum charge power of charger is the 3rd predetermined power, and the consumption power of all vehicles power consumption component is unrestricted.
Further, it is described that energy distribution, bag are carried out to vehicle power consumption component according to the first energy consumption priority orders
Include：The consumption power of controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted；
Motor driving power limit value is：
Pmc=min { (Pbat-Pcontrol-Pfog),(PL/ηmc),
The consumption power limit of the air-conditioning is：
PAC=min { PACReq,Pbat-(Pmc+Pcontrol+Pcool),
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC,Pfog,
The consumption power of the comfortable annex is：
PAnnex=min { P 'Annex, Pbat-(Pmc+Pcontrol+Pcool)-PAC}
Wherein, PLThe power for needing to export for motor, ηmcFor energy conversion efficiency, PbatFor electrokinetic cell power output, Pmc
For motor driving power limit value, PACReqFor air conditioning requirements power, PACPower limit, P are consumed for air-conditioningcontrolDisappear for controller
Wasted work rate, PfogFor the consumption power of defrosting/demister, PcoolFor electrokinetic cell cooling requirement power, PAnnexTo be described comfortable
The consumption power of annex, P 'AnnexFor the request power of the comfortable annex.
Further, it is described that energy distribution, bag are carried out to vehicle power consumption component according to the second energy consumption priority orders
Include：The consumption power of the controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted；
The consumption power limit of air-conditioning is：
PAC=min { PACReq,(Pbat+P′mc-(Pcool+Pfog+Pcontrol),
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC,Pfog,
The consumption power of the comfortable annex is：
PAnnex=min { P 'Annex, (Pbat+P′mc-(Pcool+Pfog+Pcontrol+PAC)),
Wherein, PbatFor electrokinetic cell power output, PmcFor motor driving power limit value, PACReqFor air conditioning requirements power, PAC
Power limit, P are consumed for air-conditioningcontrolPower, P are consumed for controllerfogFor the consumption power of defrosting/demister, PcoolFor
Electrokinetic cell cooling requirement power, PAnnexFor the consumption power of the comfortable annex, P 'AnnexFor the request power of the comfortable annex,
P′mcFor motor power regenerative power.
Further, it is described that energy distribution, bag are carried out to vehicle power consumption component according to the 3rd energy consumption priority orders
Include：The consumption power of the controller and the consumption power of defrosting/demister are unrestricted；
The maximum charge power of electrokinetic cell is：
P′bat=(Ibat*Vbat)/η′bat,
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC_feedback,Pfog,
The ceiling capacity regenerative power of the motor is：
P′mc=P 'bat+PAC+PAnnex+Pcontrol,
Wherein, IbatFor power battery charging maximum allowed current；VbatFor cell voltage；η′bat：For rechargeable energy conversion efficiency,
PAC_feedbackFor the actual power consumption of air-conditioning feedback, P 'mcFor the ceiling capacity regenerative power of motor, P 'batFor electrokinetic cell
Maximum charge power, PfogFor the consumption power of defrosting/demister, PACPower limit, P are consumed for air-conditioningAnnexRelaxed to be described
The consumption power of suitable annex, PcontrolPower is consumed for controller.
Further, first predetermined power is 3.3 kilowatts, and the 3rd predetermined power is 30 kilowatts.
Relative to prior art, pure electric automobile energy management method of the present invention has the advantage that：
The pure electric automobile energy management method of the present invention, the powered mode that analysis vehicle is presently in, and according to different energy supplies
Pattern formulates corresponding control strategy and control flow to carry out energy distribution to vehicle power consumption component, can not only prevent motor
There is the failure of excessively stream with electrokinetic cell, improve vehicle security, energy can also be saved, improve the continual mileage of vehicle, together
When taken into account the comfort property of vehicle, improve vehicle comfortableness.
It is another object of the present invention to propose a kind of pure electric automobile EMS, the system can save energy, carry
High vehicle continual mileage, while improve vehicle comfortableness.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way：
A kind of pure electric automobile EMS, including：Judge module, the judge module are used for the work(for judging Full Vehicle System
Can pattern；Control module, the control module are used for when energy needed for the Full Vehicle System is only provided by electrokinetic cell, will be whole
The energy consumption of car power consumption component is arranged in order for the first energy consumption priority orders, and according to described first from high to low according to priority
Energy consumption priority orders carry out energy distribution to vehicle power consumption component, wherein, the first energy consumption priority orders are：
Controller power consumption, electrokinetic cell cooling power consumption, defrosting/demister power consumption, motor driving power consumption, air-conditioning power consumption and comfortable annex
Power consumption, and when energy is provided jointly by the electrokinetic cell and motor needed for the Full Vehicle System, vehicle is consumed energy component
Energy consumption be arranged in order from high to low according to priority as the second energy consumption priority orders, it is and suitable according to the second energy consumption priority
Vehicle power consumption component carries out energy distribution described in ordered pair, wherein, the second energy consumption priority orders are：Controller power consumption,
Electrokinetic cell cooling power consumption, defrosting/demister power consumption, air-conditioning power consumption and comfortable annex power consumption, and in the Full Vehicle System institute
When needing the energy only to be provided by the motor, the consume energy energy consumption of component of vehicle is arranged in order as the 3rd from high to low according to priority
Energy consumption priority orders, and energy distribution is carried out to vehicle power consumption component according to the 3rd energy consumption priority orders, its
In, the 3rd energy consumption priority orders are：Controller power consumption, electrokinetic cell cooling power consumption, defrosting/demister power consumption, sky
Power consumption, the power consumption of comfortable annex and power battery charging power consumption are adjusted, when the vehicle is in trickle charge pattern, controls charger most
Big charge power is the first predetermined power, and the consumption power for controlling air-conditioning is the second predetermined power, and electrokinetic cell cooling consumes work(
Rate is unrestricted, and when the vehicle is in fast charge pattern, controls the maximum charge power of the charger default for the 3rd
Power, and the consumption power of all vehicles power consumption component is unrestricted.
Further, the control module carries out energy according to the first energy consumption priority orders to vehicle power consumption component
Distribution, including：The consumption power of controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted；
Motor driving power limit value is：
Pmc=min { (Pbat-Pcontrol-Pfog),(PL/ηmc),
The consumption power limit of the air-conditioning is：
PAC=min { PACReq,Pbat-(Pmc+Pcontrol+Pcool),
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC,Pfog,
The consumption power of the comfortable annex is：
PAnnex=min { P 'Annex, Pbat-(Pmc+Pcontrol+Pcool)-PAC}
Wherein, PLThe power for needing to export for motor, ηmcFor energy conversion efficiency, PbatFor electrokinetic cell power output, Pmc
For motor driving power limit value, PACReqFor air conditioning requirements power, PACPower limit, P are consumed for air-conditioningcontrolDisappear for controller
Wasted work rate, PfogFor the consumption power of defrosting/demister, PcoolFor electrokinetic cell cooling requirement power, PAnnexTo be described comfortable
The consumption power of annex, P 'AnnexFor the request power of the comfortable annex.
Further, the control module carries out energy according to the second energy consumption priority orders to vehicle power consumption component
Distribution, including：The consumption power of the controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted
System；
The consumption power limit of air-conditioning is：
PAC=min { PACReq,(Pbat+P′mc-(Pcool+Pfog+Pcontrol),
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC,Pfog,
The consumption power of the comfortable annex is：
PAnnex=min { P 'Annex, (Pbat+P′mc-(Pcool+Pfog+Pcontrol+PAC)),
Wherein, PbatFor electrokinetic cell power output, PmcFor motor driving power limit value, PACReqFor air conditioning requirements power, PAC
Power limit, P are consumed for air-conditioningcontrolPower, P are consumed for controllerfogFor the consumption power of defrosting/demister, PcoolFor
Electrokinetic cell cooling requirement power, PAnnexFor the consumption power of the comfortable annex, P 'AnnexFor the request power of the comfortable annex,
P′mcFor motor power regenerative power.
Further, the control module carries out energy according to the 3rd energy consumption priority orders to vehicle power consumption component
Distribution, including：The consumption power of the controller and the consumption power of defrosting/demister are unrestricted；
The maximum charge power of electrokinetic cell is：
P′bat=(Ibat*Vbat)/η′bat,
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC_feedback,Pfog,
The ceiling capacity regenerative power of the motor is：
P′mc=P 'bat+PAC+PAnnex+Pcontrol,
Wherein, IbatFor power battery charging maximum allowed current；VbatFor cell voltage；η′bat：For rechargeable energy conversion efficiency,
PAC_feedbackFor the actual power consumption of air-conditioning feedback, P 'mcFor the ceiling capacity regenerative power of motor, P 'batFor electrokinetic cell
Maximum charge power, PfogFor the consumption power of defrosting/demister, PACPower limit, P are consumed for air-conditioningAnnexRelaxed to be described
The consumption power of suitable annex, PcontrolPower is consumed for controller.
Further, first predetermined power is 3.3 kilowatts, and the 3rd predetermined power is 30 kilowatts.
Described pure electric automobile EMS is with above-mentioned pure electric automobile energy management method relative to prior art institute
Have the advantage that identical, will not be repeated here.
Brief description of the drawings
The accompanying drawing for forming the part of the present invention is used for providing a further understanding of the present invention, illustrative examples of the invention and
It illustrates to be used to explain the present invention, does not form inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the flow chart of the pure electric automobile energy management method of the embodiment of the present invention；
Fig. 2 is the first energy consumption priority orders schematic diagram of one embodiment of the invention；
Fig. 3 is power distribution schematic diagram when only being energized by electrokinetic cell of one embodiment of the invention；
Fig. 4 is the second energy consumption priority orders schematic diagram of one embodiment of the invention；
Fig. 5 is power distribution schematic diagram when being energized jointly by electrokinetic cell and motor of one embodiment of the invention；
Fig. 6 is the 3rd energy consumption priority orders schematic diagram of one embodiment of the invention；
Fig. 7 is power distribution schematic diagram when only being energized by motor of one embodiment of the invention；And
Fig. 8 is the structured flowchart of the pure electric automobile EMS of the embodiment of the present invention.
Description of reference numerals：
100- pure electric automobiles EMS, 110- judge modules, 120- control modules.
Embodiment
It should be noted that in the case where not conflicting, the feature in embodiment and embodiment in the present invention can be mutually combined.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Fig. 1 is the flow chart of pure electric automobile energy management method according to an embodiment of the invention.
As shown in figure 1, the pure electric automobile energy management method of the embodiment of the present invention comprises the following steps：
Step S1：Judge the powered mode of Full Vehicle System.
Step S2：If energy is only provided by electrokinetic cell needed for Full Vehicle System, i.e., electrokinetic cell individually supplies Full Vehicle System
Energy expenditure, then by vehicle consume energy component energy consumption be arranged in order from high to low according to priority for the first energy consumption priority it is suitable
Sequence, and energy distribution is carried out to vehicle power consumption component according to the first energy consumption priority orders, wherein, the first energy consumption priority is suitable
Sequence is：Controller power consumption, electrokinetic cell cooling power consumption, defrosting/demister power consumption, motor drive power consumption, air-conditioning power consumption and relaxed
Suitable annex power consumption.In other words, when electrokinetic cell individually supplies the energy expenditure of Full Vehicle System, now it is related to energy expenditure
Vehicle power consumption component includes motor, air-conditioning, various controllers, comfortable annex etc..In energy distribution process, to above-mentioned whole
The energy consumption priority of car power consumption component is allocated, as shown in Fig. 2 i.e. the first energy consumption priority orders.In this mode
Energy flow to as shown in the black arrow in Fig. 3.Now, vehicle movement is driven by electrokinetic cell, and supplies energy to other
Consume energy component.
In one embodiment of the invention, it is above-mentioned that energy point is carried out to vehicle power consumption component according to the first energy consumption priority orders
Match somebody with somebody, including：First, according to the distribution of the first energy consumption priority orders, Pcontrol、Pfog、PcoolEnergy consumption highest priority,
Therefore demand power is unrestricted, that is, the consumption power of the consumption power of controller, defrosting/demister and battery cooling disappear
Wasted work rate is unrestricted.Need, PfogIt is only just effective when demisting/defrosting switch is opened.
Motor driving power limit value (Pmc) power (P that needs to export for current battery dump power and motorL) divided by energy
Efficiency etamcMinimum value, wherein, ηmcPower of=output power of motor/the battery supplied to motor, motor driving power limit
The calculation formula of value is as follows：
Pmc=min { (Pbat-Pcontrol-Pfog),(PL/ηmc),
The limitation power of air-conditioning is that the general power of battery output subtracts three above energy expenditure component consumption power (Pcontrol、
Pfog、Pcool) after the demand power of remaining power and air-conditioning take minimum value to determine air-conditioning power limit, specific formula for calculation is as follows：
PAC=min { PACReq,Pbat-(Pmc+Pcontrol+Pcool),
When defrosting/demister startup, i.e., taken most it is necessary to the power demand with defrosting-defogging when now defrosting/Defog-Switch is effective
Big value meets defrosting/defrosting function.Specifically, the consumption power of defrosting/demister is：
PAC=max { PAC,Pfog,
Wherein, the demand power P of air-conditioningACReqIt is now electrokinetic cell SOC electricity and current gear and client to air-conditioning
Serious hope degree is obtained by tabling look-up, wherein, the form of lookup is calibration value, can not done herein superfluous by subsequently needing to demarcate
State.
The consumption power for the comfortable annex for being used to comfortably act on the vehicles such as seat heating is：
PAnnex=min { P 'Annex, Pbat-(Pmc+Pcontrol+Pcool)-PAC,
Wherein, above-mentioned PLThe power for needing to export for motor, ηmcFor energy conversion efficiency, PbatFor electrokinetic cell output work
Rate, PmcFor motor driving power limit value, PACReqFor air conditioning requirements power, PACPower limit, P are consumed for air-conditioningcontrolFor
Controller consumes power, PfogFor the consumption power of defrosting/demister, PcoolFor electrokinetic cell cooling requirement power, PAnnexFor
The consumption power of the comfortable annex, P 'AnnexFor the request power of the comfortable annex.
Step S3：If energy needed for Full Vehicle System is provided jointly by electrokinetic cell and motor, by vehicle power consumption component
Energy consumption is arranged in order for the second energy consumption priority orders, and according to the second energy consumption priority orders to whole from high to low according to priority
Car power consumption component carries out energy distribution, wherein, the second energy consumption priority orders are：Controller power consumption, electrokinetic cell cooling consumption
Energy, defrosting/demister power consumption, air-conditioning power consumption and comfortable annex power consumption.Specifically, provided jointly in electrokinetic cell and motor
Under the pattern of energy, the vehicle power consumption component being related to includes air-conditioning, various controllers, comfortable annex etc., and energy supply part is
Electrokinetic cell and motor.In energy distribution process, the priority of above-mentioned power consumption component is allocated, as shown in figure 4,
That is the second energy consumption priority orders, energy now are moved towards as shown in the black arrow in Fig. 5.
In one embodiment of the invention, energy distribution is carried out to vehicle power consumption component according to the second energy consumption priority orders,
Including：First, under the pattern that electrokinetic cell and motor provide energy jointly, vehicle is in energy recovery state, and motor is carried out
Energy feedback, but the energy of feedback is not enough to the current energy expenditure of supply of vehicles, it is necessary to battery pack is also discharged, supply of vehicles
Energy expenditure.Now, electrokinetic cell does not charge, so energy conversion efficiency ηmc=1.
According to the distribution of the second energy consumption priority, Pcontrol、Pcool、PfogEnergy consumption highest priority, required power is unrestricted
System, namely the consumption power of controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted.
Now, motor is in energy feedback state, and the power of energy regenerating is all not enough to supply comfortable annex, to electrokinetic cell
Do not influence, so power is unrestricted, it is P ' by energy regenerating torque arithmetic energy regenerating powermc。
Now the consumption power limit of air-conditioning subtracts controller plus energy regenerating power for the power that electrokinetic cell can export and disappeared
Wasted work rate takes minimum value with power needed for air-conditioning.Specific formula for calculation is as follows：
PAC=min { PACReq,(Pbat+P′mc-(Pcool+Pfog+Pcontrol),
When defrosting/demister startup, i.e., take maximum when defrosting/Defog-Switch is effective it is necessary to the power demand with defrosting-defogging
To meet defrosting/defrosting function.Specifically, the consumption power of defrosting/demister is：
PAC=max { PAC,Pfog,
Further, the consumption power of comfortable annex is：
PAnnex=min { P 'Annex, (Pbat+P′mc-(Pcool+Pfog+Pcontrol+PAC)),
Wherein, PbatFor electrokinetic cell power output, PmcFor motor driving power limit value, PACReqFor air conditioning requirements power, PAC
Power limit, P are consumed for air-conditioningcontrolPower, P are consumed for controllerfogFor the consumption power of defrosting/demister, PcoolFor
Electrokinetic cell cooling requirement power, PAnnexFor the consumption power of comfortable annex, P 'AnnexFor the request power of comfortable annex, P 'mcFor
Motor power regenerative power.
Step S4：If energy is only provided by motor needed for Full Vehicle System, i.e. the energy of motor recovery can independent supply of vehicles
Energy expenditure, then by vehicle consume energy component energy consumption be arranged in order from high to low according to priority for the 3rd energy consumption priority it is suitable
Sequence, and energy distribution is carried out to vehicle power consumption component according to the 3rd energy consumption priority orders, wherein, the 3rd energy consumption priority is suitable
Sequence is：Controller power consumption, electrokinetic cell cool down power consumption, defrosting/demister power consumption, air-conditioning power consumption, the power consumption of comfortable annex and moved
The charging power consumption of power battery.
Specifically, for example, when vehicle deceleration or descent run, motor works in regenerative braking state, and now vehicle is at this
The power consumption component being related under kind mode of operation has air-conditioning, various controllers, comfortable annex etc., and energy supply part is motor.
In energy distribution process, the priority of above-mentioned power consumption component is allocated, as shown in fig. 6, i.e. the 3rd energy consumption priority number
Sequentially, energy now is moved towards as shown in the black arrow in Fig. 7.
In one embodiment of the invention, energy distribution is carried out to vehicle power consumption component according to the 3rd energy consumption priority orders,
Including：First, electrokinetic cell, comfortable annex, controller, air-conditioning belong to energy expenditure component, the consumption work(of controller
Rate PcontrolWith the consumption power P of defrosting/demisterfogPower is unrestricted.Electrokinetic cell is according to battery electric quantity shape now
State calculate electrokinetic cell maximum charge power be：
P′bat=(Ibat*Vbat)/η′bat,
Wherein, (η 'bat=P 'bat/(P′mc-PAC_feedback-Pcontrol–PAnnex-PAC)),
When defrosting/demister startup, i.e., take maximum when defrosting/Defog-Switch is effective it is necessary to the power demand with defrosting-defogging
To meet defrosting/defrosting function.Specifically, the consumption power of defrosting/demister is：
PAC=max { PAC_feedback,Pfog,
Further, according to the power required for all vehicles power consumption component, the ceiling capacity regenerative power for calculating motor is：
P′mc=P 'bat+PAC+PAnnex+Pcontrol,
Wherein, IbatFor power battery charging maximum allowed current；VbatFor cell voltage；η′bat：For rechargeable energy conversion efficiency,
PAC_feedbackFor the actual power consumption of air-conditioning feedback, P 'mcFor the ceiling capacity regenerative power of motor, P 'batFor electrokinetic cell
Maximum charge power, PfogFor the consumption power of defrosting/demister, PACPower limit, P are consumed for air-conditioningAnnexTo be comfortable attached
The consumption power of part, PcontrolPower is consumed for controller.
Step S5：If vehicle is in trickle charge pattern, the maximum charge power for controlling charger is the first predetermined power, control
The consumption power of air-conditioning processed is the second predetermined power, and electrokinetic cell cooling consumption power is unrestricted.Wherein, the present invention's
In one embodiment, for example, the first predetermined power is 3.3kw.In other words, i.e., charger is set most in vehicle trickle charge
High-power is 3.3kw, it is contemplated that charger power output is limited, while battery can be charged when also meeting to turn on the aircondition, institute
So that the power requirement of air-conditioning is limited, and limited degree is set as scalar quantity (the second predetermined power), electrokinetic cell cooling consumption work(
Energy is unrestricted used in rate.
Step S6：If vehicle is in fast charge pattern, the maximum charge power for controlling charger is the 3rd predetermined power, and
The consumption power of all vehicle power consumption components is unrestricted.Wherein, in one embodiment of the invention, for example, first
Predetermined power is 3.3kw.In other words, i.e., it is 30kw by the maximum charge power setting of charger in vehicle fast charge, because
Charge power now is bigger, so now all energy expenditures are all unrestricted, i.e. all vehicles power consumption components disappear
Wasted work rate is unrestricted.
To sum up, pure electric automobile energy management method according to embodiments of the present invention, the powered mode that analysis vehicle is presently in,
And corresponding control strategy and control flow are formulated to carry out energy distribution to vehicle power consumption component according to different powered modes,
It can not only prevent motor and electrokinetic cell from the failure of excessively stream occur, improve vehicle security, energy can also be saved, improve car
Continual mileage, while taken into account the comfort property of vehicle, improved vehicle comfortableness.
Further, as shown in figure 8, embodiment of the invention discloses that a kind of pure electric automobile EMS 100, bag
Include：Judge module 110 and control module 120.
Wherein, judge module 110 is used for the functional mode for judging Full Vehicle System.
Control module 120 is used for when energy is only provided by electrokinetic cell needed for Full Vehicle System, the energy consumption for component that vehicle is consumed energy
It is arranged in order according to priority as the first energy consumption priority orders, and vehicle is consumed from high to low according to the first energy consumption priority orders
Energy component carries out energy distribution, wherein, the first energy consumption priority orders are：Controller is consumed energy, electrokinetic cell cooling is consumed energy,
Defrosting/demister power consumption, motor driving power consumption, air-conditioning power consumption and comfortable annex power consumption.In other words, individually supplied in electrokinetic cell
When answering the energy expenditure of Full Vehicle System, being now related to the vehicle power consumption component of energy expenditure includes motor, air-conditioning, various controls
Device processed, comfortable annex etc..In energy distribution process, the energy consumption priority for the component that consumed energy to above-mentioned vehicle is allocated, i.e.,
First energy consumption priority orders.Now, vehicle movement is driven by electrokinetic cell, and supplies energy and give other power consumption components.
In one embodiment of the invention, control module 120 is entered according to the first energy consumption priority orders to vehicle power consumption component
Row energy distributes, including：First, according to the distribution of the first energy consumption priority orders, Pcontrol、Pfog、PcoolEnergy consumption it is preferential
Level highest, therefore demand power is unrestricted, that is, consumption power, the consumption power and electricity of defrosting/demister of controller
Pond cooling consumption power is unrestricted.Need, PfogIt is only just effective when demisting/defrosting switch is opened.
Motor driving power limit value (Pmc) power (P that needs to export for current battery dump power and motorL) divided by energy
Efficiency etamcMinimum value, wherein, ηmcPower of=output power of motor/the battery supplied to motor, motor driving power limit
The calculation formula of value is as follows：
Pmc=min { (Pbat-Pcontrol-Pfog),(PL/ηmc),
The limitation power of air-conditioning is that the general power of battery output subtracts three above energy expenditure component consumption power (Pcontrol、
Pfog、Pcool) after the demand power of remaining power and air-conditioning take minimum value to determine air-conditioning power limit, specific formula for calculation is as follows：
PAC=min { PACReq,Pbat-(Pmc+Pcontrol+Pcool),
When defrosting/demister startup, i.e., taken most it is necessary to the power demand with defrosting-defogging when now defrosting/Defog-Switch is effective
Big value meets defrosting/defrosting function.Specifically, the consumption power of defrosting/demister is：
PAC=max { PAC,Pfog,
Wherein, the demand power P of air-conditioningACReqIt is now electrokinetic cell SOC electricity and current gear and client to air-conditioning
Serious hope degree is obtained by tabling look-up, wherein, the form of lookup is calibration value, can not done herein superfluous by subsequently needing to demarcate
State.
The consumption power for the comfortable annex for being used to comfortably act on the vehicles such as seat heating is：
PAnnex=min { P 'Annex, Pbat-(Pmc+Pcontrol+Pcool)-PAC,
Wherein, above-mentioned PLThe power for needing to export for motor, ηmcFor energy conversion efficiency, PbatFor electrokinetic cell output work
Rate, PmcFor motor driving power limit value, PACReqFor air conditioning requirements power, PACPower limit, P are consumed for air-conditioningcontrolFor
Controller consumes power, PfogFor the consumption power of defrosting/demister, PcoolFor electrokinetic cell cooling requirement power, PAnnexFor
The consumption power of the comfortable annex, P 'AnnexFor the request power of the comfortable annex.
On the other hand, control module 120 is used for when energy needed for Full Vehicle System is provided jointly by electrokinetic cell and motor, will be whole
The energy consumption of car power consumption component is arranged in order for the second energy consumption priority orders, and according to the second energy consumption from high to low according to priority
Priority orders carry out energy distribution to vehicle power consumption component, wherein, the second energy consumption priority orders are：Controller power consumption,
Electrokinetic cell cooling power consumption, defrosting/demister power consumption, air-conditioning power consumption and comfortable annex power consumption.Specifically, in electrokinetic cell
Under the pattern for providing energy jointly with motor, the vehicle power consumption component being related to includes air-conditioning, various controllers, comfortable annex
Deng, energy supply part be electrokinetic cell and motor.In energy distribution process, the priority of above-mentioned power consumption component is allocated
That is the second energy consumption priority orders.
In one embodiment of the invention, control module 120 is entered according to the second energy consumption priority orders to vehicle power consumption component
Row energy distributes, including：First, under the pattern that electrokinetic cell and motor provide energy jointly, vehicle is in energy regenerating shape
State, motor carries out energy feedback, but the energy of feedback is not enough to the current energy expenditure of supply of vehicles, it is necessary to which battery pack is also put
Electricity, the energy expenditure of supply of vehicles.Now, electrokinetic cell does not charge, so energy conversion efficiency ηmc=1.
According to the distribution of the second energy consumption priority, Pcontrol、Pcool、PfogEnergy consumption highest priority, required power is unrestricted
System, namely the consumption power of controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted.
Now, motor is in energy feedback state, and the power of energy regenerating is all not enough to supply comfortable annex, to electrokinetic cell
Do not influence, so power is unrestricted, it is P ' by energy regenerating torque arithmetic energy regenerating powermc。
Now the consumption power limit of air-conditioning subtracts controller plus energy regenerating power for the power that electrokinetic cell can export and disappeared
Wasted work rate takes minimum value with power needed for air-conditioning.Specific formula for calculation is as follows：
PAC=min { PACReq,(Pbat+P′mc-(Pcool+Pfog+Pcontrol),
When defrosting/demister startup, i.e., take maximum when defrosting/Defog-Switch is effective it is necessary to the power demand with defrosting-defogging
To meet defrosting/defrosting function.Specifically, the consumption power of defrosting/demister is：
PAC=max { PAC,Pfog,
Further, the consumption power of comfortable annex is：
PAnnex=min { P 'Annex, (Pbat+P′mc-(Pcool+Pfog+Pcontrol+PAC)),
Wherein, PbatFor electrokinetic cell power output, PmcFor motor driving power limit value, PACReqFor air conditioning requirements power, PAC
Power limit, P are consumed for air-conditioningcontrolPower, P are consumed for controllerfogFor the consumption power of defrosting/demister, PcoolFor
Electrokinetic cell cooling requirement power, PAnnexFor the consumption power of comfortable annex, P 'AnnexFor the request power of comfortable annex, P 'mcFor
Motor power regenerative power.
On the other hand, control module 120 is used to only be provided by motor in energy needed for Full Vehicle System, i.e. the energy of motor recovery can
During with independent supply of vehicles energy expenditure, the energy consumption of vehicle power consumption component is arranged in order as the 3rd from high to low according to priority
Energy consumption priority orders, and energy distribution is carried out to vehicle power consumption component according to the 3rd energy consumption priority orders, wherein, the 3rd
Energy consumption priority orders are：Controller power consumption, electrokinetic cell cooling power consumption, defrosting/demister power consumption, air-conditioning consume energy, are comfortable
Annex consumes energy and power battery charging power consumption.
Specifically, for example, when vehicle deceleration or descent run, motor works in regenerative braking state, and now vehicle is at this
The power consumption component being related under kind mode of operation has air-conditioning, various controllers, comfortable annex etc., and energy supply part is motor.
In energy distribution process, the priority of above-mentioned power consumption component is allocated, i.e. the 3rd energy consumption priority number order.
In one embodiment of the invention, control code 120 is carried out according to the 3rd energy consumption priority orders to vehicle power consumption component
Energy distributes, including：First, electrokinetic cell, comfortable annex, controller, air-conditioning belong to energy expenditure component, control
The consumption power P of devicecontrolWith the consumption power P of defrosting/demisterfogPower is unrestricted.Electrokinetic cell is according to now
Battery electric quantity state calculate electrokinetic cell maximum charge power be：
P′bat=(Ibat*Vbat)/η′bat,
Wherein, (η 'bat=P 'bat/(P′mc-PAC_feedback-Pcontrol–PAnnex-PAC)),
When defrosting/demister startup, i.e., take maximum when defrosting/Defog-Switch is effective it is necessary to the power demand with defrosting-defogging
To meet defrosting/defrosting function.Specifically, the consumption power of defrosting/demister is：
PAC=max { PAC_feedback,Pfog,
Further, according to the power required for all vehicles power consumption component, the ceiling capacity regenerative power for calculating motor is：
P′mc=P 'bat+PAC+PAnnex+Pcontrol,
Wherein, IbatFor power battery charging maximum allowed current；VbatFor cell voltage；η′bat：For rechargeable energy conversion efficiency,
PAC_feedbackFor the actual power consumption of air-conditioning feedback, P 'mcFor the ceiling capacity regenerative power of motor, P 'batFor electrokinetic cell
Maximum charge power, PfogFor the consumption power of defrosting/demister, PACPower limit, P are consumed for air-conditioningAnnexTo be comfortable attached
The consumption power of part, PcontrolPower is consumed for controller.
On the other hand, control module 120 is used for when vehicle be in trickle charge pattern, and the maximum charge power for controlling charger is the
One predetermined power, the consumption power for controlling air-conditioning is the second predetermined power, and electrokinetic cell cooling consumption power is unrestricted.Its
In, in one embodiment of the invention, for example, the first predetermined power is 3.3kw.In other words, i.e., in vehicle trickle charge,
The peak power for setting charger is 3.3kw, it is contemplated that charger power output is limited, while can when also meeting to turn on the aircondition
Battery is charged, so, the power requirement of air-conditioning is limited, and limited degree is set as scalar quantity (the second predetermined power), power
Energy used in battery cooling consumption power is unrestricted.
On the other hand, control module 120 is used for when vehicle be in fast charge pattern, and the maximum charge power for controlling charger is the
Three predetermined powers, and the consumption power of all vehicles power consumption component is unrestricted.Wherein, in one embodiment of the present of invention
In, for example, the first predetermined power is 3.3kw.In other words, i.e., in vehicle fast charge, the maximum charge power of charger is set
30kw is set to, because charge power now is bigger, now all energy expenditures are all unrestricted, i.e., all whole
The consumption power of car power consumption component is unrestricted.
To sum up, pure electric automobile EMS according to embodiments of the present invention, the powered mode that analysis vehicle is presently in,
And corresponding control strategy and control flow are formulated to carry out energy distribution to vehicle power consumption component according to different powered modes,
It can not only prevent motor and electrokinetic cell from the failure of excessively stream occur, improve vehicle security, energy can also be saved, improve car
Continual mileage, while taken into account the comfort property of vehicle, improved vehicle comfortableness.
It should be noted that the specific implementation of the pure electric automobile EMS of the embodiment of the present invention is implemented with the present invention
The specific implementation of the pure electric automobile energy management method of example is similar, the description of method part is specifically referred to, in order to reduce
Redundancy, here is omitted.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in the spiritual and former of the present invention
Within then, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (10)
1. a kind of pure electric automobile energy management method, it is characterised in that comprise the following steps：
Judge the powered mode of Full Vehicle System；
If energy needed for the Full Vehicle System is only provided by electrokinetic cell, by the energy consumption of vehicle power consumption component according to priority
It is arranged in order as the first energy consumption priority orders, and the vehicle is consumed energy from high to low according to the first energy consumption priority orders
Component carries out energy distribution, wherein, the first energy consumption priority orders are：Controller is consumed energy, electrokinetic cell cooling is consumed energy,
Defrosting/demister power consumption, motor driving power consumption, air-conditioning power consumption and comfortable annex power consumption；
If energy is provided jointly by the electrokinetic cell and motor needed for the Full Vehicle System, the energy for component that vehicle is consumed energy
Consumption is arranged in order for the second energy consumption priority orders, and according to the second energy consumption priority orders pair from high to low according to priority
The vehicle power consumption component carries out energy distribution, wherein, the second energy consumption priority orders are：Controller power consumption, power
Battery cooling power consumption, defrosting/demister power consumption, air-conditioning power consumption and comfortable annex power consumption；
If energy is only provided by the motor needed for the Full Vehicle System, by the energy consumption of vehicle power consumption component according to priority
It is arranged in order as the 3rd energy consumption priority orders, and the vehicle is consumed energy from high to low according to the 3rd energy consumption priority orders
Component carries out energy distribution, wherein, the 3rd energy consumption priority orders are：Controller is consumed energy, electrokinetic cell cooling is consumed energy,
Defrosting/demister power consumption, air-conditioning power consumption, the power consumption of comfortable annex and power battery charging power consumption；
If vehicle is in trickle charge pattern, the maximum charge power for controlling charger is the first predetermined power, controls disappearing for air-conditioning
Wasted work rate is the second predetermined power, and electrokinetic cell cooling consumption power is unrestricted；And
If vehicle is in fast charge pattern, the maximum charge power for controlling the charger is the 3rd predetermined power, and all whole
The consumption power of car power consumption component is unrestricted.
2. pure electric automobile energy management method according to claim 1, it is characterised in that described according to described first
Energy consumption priority orders carry out energy distribution to vehicle power consumption component, including：
The consumption power of controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted；
Motor driving power limit value is：
Pmc=min { (Pbat-Pcontrol-Pfog),(PL/ηmc),
The consumption power limit of the air-conditioning is：
PAC=min { PACReq,Pbat-(Pmc+Pcontrol+Pcool),
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC,Pfog,
The consumption power of the comfortable annex is：
PAnnex=min { P 'Annex, Pbat-(Pmc+Pcontrol+Pcool)-PAC,
Wherein, PLThe power for needing to export for motor, ηmcFor energy conversion efficiency, PbatFor electrokinetic cell power output, Pmc
For motor driving power limit value, PACReqFor air conditioning requirements power, PACPower limit, P are consumed for air-conditioningcontrolDisappear for controller
Wasted work rate, PfogFor the consumption power of defrosting/demister, PcoolFor electrokinetic cell cooling requirement power, PAnnexTo be described comfortable
The consumption power of annex, P 'AnnexFor the request power of the comfortable annex.
3. pure electric automobile energy management method according to claim 1, it is characterised in that described according to described second
Energy consumption priority orders carry out energy distribution to vehicle power consumption component, including：
The consumption power of the controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted；
The consumption power limit of air-conditioning is：
PAC=min { PACReq,(Pbat+P′mc-(Pcool+Pfog+Pcontrol),
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC,Pfog,
The consumption power of the comfortable annex is：
PAnnex=min { P 'Annex, (Pbat+P′mc-(Pcool+Pfog+Pcontrol+PAC)),
Wherein, PbatFor electrokinetic cell power output, PmcFor motor driving power limit value, PACReqFor air conditioning requirements power, PAC
Power limit, P are consumed for air-conditioningcontrolPower, P are consumed for controllerfogFor the consumption power of defrosting/demister, PcoolFor
Electrokinetic cell cooling requirement power, PAnnexFor the consumption power of the comfortable annex, P 'AnnexFor the request power of the comfortable annex,
P′mcFor motor power regenerative power.
4. pure electric automobile energy management method according to claim 1, it is characterised in that described according to the described 3rd
Energy consumption priority orders carry out energy distribution to vehicle power consumption component, including：
The consumption power of the controller and the consumption power of defrosting/demister are unrestricted；
The maximum charge power of electrokinetic cell is：
P′bat=(Ibat*Vbat)/η′bat,
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC_feedback,Pfog,
The ceiling capacity regenerative power of the motor is：
P′mc=P 'bat+PAC+PAnnex+Pcontrol,
Wherein, IbatFor power battery charging maximum allowed current；VbatFor cell voltage；η′bat：For rechargeable energy conversion efficiency,
PAC_feedbackFor the actual power consumption of air-conditioning feedback, P 'mcFor the ceiling capacity regenerative power of motor, P 'batFor electrokinetic cell
Maximum charge power, PfogFor the consumption power of defrosting/demister, PACPower limit, P are consumed for air-conditioningAnnexRelaxed to be described
The consumption power of suitable annex, PcontrolPower is consumed for controller.
5. pure electric automobile energy management method according to claim 1, it is characterised in that first predetermined power
For 3.3 kilowatts, the 3rd predetermined power is 30 kilowatts.
A kind of 6. pure electric automobile EMS, it is characterised in that including：
Judge module, the judge module are used for the functional mode for judging Full Vehicle System；
Control module, the control module are used for when energy needed for the Full Vehicle System is only provided by electrokinetic cell, vehicle are consumed
Can the energy consumption of component be arranged in order from high to low according to priority for the first energy consumption priority orders, and according to first energy consumption
Priority orders carry out energy distribution to vehicle power consumption component, wherein, the first energy consumption priority orders are：Control
Device power consumption, electrokinetic cell cooling power consumption, defrosting/demister power consumption, motor driving power consumption, air-conditioning power consumption and comfortable annex power consumption,
And when energy is provided jointly by the electrokinetic cell and motor needed for the Full Vehicle System, the energy consumption for component that vehicle is consumed energy
It is arranged in order from high to low according to priority for the second energy consumption priority orders, and according to the second energy consumption priority orders to institute
State vehicle power consumption component and carry out energy distribution, wherein, the second energy consumption priority orders are：Controller power consumption, power electric
Pond cooling power consumption, defrosting/demister power consumption, air-conditioning power consumption and comfortable annex power consumption, and in energy needed for the Full Vehicle System
When only being provided by the motor, by vehicle consume energy component energy consumption be arranged in order from high to low according to priority for the 3rd energy consumption it is excellent
First level order, and energy distribution is carried out to vehicle power consumption component according to the 3rd energy consumption priority orders, wherein, institute
Stating the 3rd energy consumption priority orders is：Controller power consumption, electrokinetic cell cooling are consumed energy, defrosting/demister consumes energy, air-conditioning consumes energy,
Comfortable annex power consumption and power battery charging power consumption, and when the vehicle is in trickle charge pattern, control the maximum of charger to fill
Electrical power is the first predetermined power, and the consumption power for controlling air-conditioning is the second predetermined power, and electrokinetic cell cooling consumption power is not
It is restricted, and when the vehicle is in fast charge pattern, the maximum charge power for controlling the charger is the 3rd predetermined power,
And the consumption power of all vehicle power consumption components is unrestricted.
7. pure electric automobile EMS according to claim 6, it is characterised in that the control module according to
The first energy consumption priority orders carry out energy distribution to vehicle power consumption component, including：
The consumption power of controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted；
Motor driving power limit value is：
Pmc=min { (Pbat-Pcontrol-Pfog),(PL/ηmc),
The consumption power limit of the air-conditioning is：
PAC=min { PACReq,Pbat-(Pmc+Pcontrol+Pcool),
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC,Pfog,
The consumption power of the comfortable annex is：
PAnnex=min { P 'Annex, Pbat-(Pmc+Pcontrol+Pcool)-PAC,
Wherein, PLThe power for needing to export for motor, ηmcFor energy conversion efficiency, PbatFor electrokinetic cell power output, Pmc
For motor driving power limit value, PACReqFor air conditioning requirements power, PACPower limit, P are consumed for air-conditioningcontrolDisappear for controller
Wasted work rate, PfogFor the consumption power of defrosting/demister, PcoolFor electrokinetic cell cooling requirement power, PAnnexTo be described comfortable
The consumption power of annex, P 'AnnexFor the request power of the comfortable annex.
8. pure electric automobile EMS according to claim 6, it is characterised in that the control module according to
The second energy consumption priority orders carry out energy distribution to vehicle power consumption component, including：
The consumption power of the controller, the consumption power of defrosting/demister and battery cooling consumption power are unrestricted；
The consumption power limit of air-conditioning is：
PAC=min { PACReq,(Pbat+P′mc-(Pcool+Pfog+Pcontrol),
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC,Pfog,
The consumption power of the comfortable annex is：
PAnnex=min { P 'Annex, (Pbat+P′mc-(Pcool+Pfog+Pcontrol+PAC)),
Wherein, PbatFor electrokinetic cell power output, PmcFor motor driving power limit value, PACReqFor air conditioning requirements power, PAC
Power limit, P are consumed for air-conditioningcontrolPower, P are consumed for controllerfogFor the consumption power of defrosting/demister, PcoolFor
Electrokinetic cell cooling requirement power, PAnnexFor the consumption power of the comfortable annex, P 'AnnexFor the request power of the comfortable annex,
P′mcFor motor power regenerative power.
9. pure electric automobile EMS according to claim 6, it is characterised in that the control module according to
The 3rd energy consumption priority orders carry out energy distribution to vehicle power consumption component, including：
The consumption power of the controller and the consumption power of defrosting/demister are unrestricted；
The maximum charge power of electrokinetic cell is：
P′bat=(Ibat*Vbat)/η′bat,
When the defrosting/demister starts, the consumption power of the defrosting/demister is：
PAC=max { PAC_feedback,Pfog,
The ceiling capacity regenerative power of the motor is：
P′mc=P 'bat+PAC+PAnnex+Pcontrol,
Wherein, IbatFor power battery charging maximum allowed current；VbatFor cell voltage；η′bat：For rechargeable energy conversion efficiency,
PAC_feedbackFor the actual power consumption of air-conditioning feedback, P 'mcFor the ceiling capacity regenerative power of motor, P 'batFor electrokinetic cell
Maximum charge power, PfogFor the consumption power of defrosting/demister, PACPower limit, P are consumed for air-conditioningAnnexRelaxed to be described
The consumption power of suitable annex, PcontrolPower is consumed for controller.
10. pure electric automobile EMS according to claim 6, it is characterised in that first predetermined power
For 3.3 kilowatts, the 3rd predetermined power is 30 kilowatts.
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| CN111907371B (en) * | 2020-08-10 | 2021-09-14 | 宁波吉利汽车研究开发有限公司 | Vehicle high-voltage accessory energy control method and energy control system |
| CN112277618A (en) * | 2020-10-30 | 2021-01-29 | 东风商用车有限公司 | Method and device for controlling electric balance of 48V electric system of automobile |
| CN112277618B (en) * | 2020-10-30 | 2022-02-18 | 东风商用车有限公司 | Method and device for controlling electric balance of 48V electric system of automobile |
| CN113173105A (en) * | 2021-05-18 | 2021-07-27 | 恒大新能源汽车投资控股集团有限公司 | Energy control method and device of electric vehicle and electric vehicle |
| CN113276726A (en) * | 2021-05-18 | 2021-08-20 | 江铃汽车股份有限公司 | Electric truck energy management method and system |
| CN113492723A (en) * | 2021-07-22 | 2021-10-12 | 上汽通用五菱汽车股份有限公司 | Power battery power distribution method, vehicle and computer readable storage medium |
| CN113442859A (en) * | 2021-07-31 | 2021-09-28 | 重庆长安汽车股份有限公司 | Energy priority distribution method and system for pure electric vehicle and vehicle |
| CN113895378A (en) * | 2021-10-29 | 2022-01-07 | 珠海格力电器股份有限公司 | Thermal management control method and device, storage medium and thermal management system |
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