CN106476637A - Deep mixed hybrid vehicle, power supply, driving control system and control method - Google Patents
Deep mixed hybrid vehicle, power supply, driving control system and control method Download PDFInfo
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Abstract
Deep mixed hybrid vehicle, power supply, driving control system and control method, including electromotor or electrisity generator of engine and its start stop apparatus, the double dynamical power supply with charge-discharge power electric power generating composition；Vehicle management system；BMS management system；Drive system；Aid system；Electricity isolation device；Unsteady flow coupling device；Described double dynamical power supply can need to provide single supply electric power output or the superposition output of dual power supply electric power according to operating mode, uses for drive system and aid system, the conversion of driving power supply or dual power supply are superimposed output driving electric power, are realized by unsteady flow coupling device.The strategy such as the start and stop working strategies of electromotor or electrisity generator of engine include under-voltage or overvoltage startup-shutdown, vehicle lay-off is shut down, accelerate startups, engine motor oil temperature, water temperature to control after braking reset, on-position is shut down, reversing controls, accumulator electric-quantity manages.
Description
Technical field
The present invention relates to the power supply of deep mixed hybrid vehicle, deep mixed hybrid vehicle, the driving control system of deep mixed hybrid vehicle power supply and its control method.
Background technology
Country supports the popularization and application of pure electric automobile always energetically, but, in the evolution of new-energy automobile, in the market mainly based on hybrid vehicle, the market share shared by pure electric automobile is less, and reason is that power battery technology is difficult to break through, and along with charging, supporting infrastructure construction is delayed, it is limited by the restriction of continual mileage and charging infrastructure, temporarily hardly possible has larger breakthrough to pure electric automobile., with respect to orthodox car, energy-saving effect is obvious for hybrid vehicle.But existing hybrid vehicle is not abandoned adopting mechanical drive mode to connect traction drive system in electromotor, baroque gear shift and clutch system, make existing hybrid power system control strategy become complicated various, complete vehicle quality increases, fault rate is higher, maintenance cost is high, and the raising further of efficiency is restricted.
Publication No. CN101032921A, Application No. CN200710014164.X, entitled《Different velocity motor drive system for electric car》Patent of invention disclose a kind of Electric differential speed motor rear bridge driven system, for the present application relates to different velocity motor drive system prior art.
Content of the invention
In order to overcome the defect of prior art, the present invention provides one kind to drive using pure power motor, the rationally offer of control and regulation input power and power combination coupling, electromotor is made to be in the steady-working state of greater efficiency upon actuation all the time, the depth that can significantly reduce car load energy consumption mixes hybrid vehicle, power supply, power driving control system and control method.
In order to solve above-mentioned technical problem, on the one hand, the present invention provides a kind of deep mixed hybrid vehicle power supply, and it includes electromotor or electrisity generator of engine, the double dynamical power supply constituting with super capacitor group, quick charging battery group or battery-super capacitance group；Described double dynamical power supply can need to provide single supply electric power output or the superposition output of dual power supply electric power according to operating mode, and drive system and aid system for deep mixed hybrid vehicle use.
As optimal technical scheme, the depth that the present invention provides mixes hybrid vehicle power supply, described electromotor or electrisity generator of engine are Contiuum type common rail electromotor, rotary engine or other electromotor, combine with electromotor, cooling system, control system and output device；Or combined by electric generator using fuel battery and output device.Electromotor or electric generator using fuel battery can use oil, gas, biomass fuel, hydrogen fuel equal energy source.
As optimal technical scheme, the depth that the present invention provides mixes hybrid vehicle power supply, described super capacitor group, quick charging battery group or battery-super capacitance group are high-specific-power, the ultracapacitor group of high-energy-density or quick charging battery group or battery-super capacitance group, its electric flux is equipped with, and reaches and electric power is provided separately so that deep mixed hybrid vehicle is continued a journey more than 3 kilometers under standard condition.
As further improved technology scheme, the depth that the present invention provides mixes hybrid vehicle power supply, and it is that pure power motor drives that described depth mixes hybrid vehicle, and electromotor or electrisity generator of engine are not passed through mechanical drive mode and be connected with drive system.
In order to solve above-mentioned technical problem, a second aspect of the present invention, the present invention provides a kind of deep mixed hybrid vehicle driving control system, and it includes electromotor or electrisity generator of engine, the double dynamical power supply constituting with super capacitor group, quick charging battery group or battery-super capacitance group；It is responsible for running entire vehicle control software, the data message of collection sensor is controlled logic discrimination and sends control instruction, the vehicle management system of data message；The BMS management system of the electric parameter of collection super capacitor group, quick charging battery group or battery-super capacitance group and accumulator；Drive system and aid system；Prevent the electric energy in Brake energy recovery and the electric energy voltage reversal surge generator of super capacitor group, quick charging battery group or battery-super capacitance group or the electricity isolation device of electrisity generator of engine；Immediately obtain the unsteady flow coupling device of super capacitor group, quick charging battery group or battery-super capacitance group electric energy；Described double dynamical power supply can need to provide single supply electric power output or the superposition output of dual power supply electric power according to operating mode, uses for drive system and aid system；Described electromotor or electrisity generator of engine have and can execute vehicle management system and/or the start stop apparatus of start and stop instruction that BMS management system sends, and described electromotor or electrisity generator of engine possess automatic start-stop function；Described aid system includes the start stop apparatus of DC/DC supply convertor, power-assisted steering pump, electric compressor, electromotor or electrisity generator of engine.
As optimal technical scheme, the depth that the present invention provides mixes hybrid vehicle driving control system, described electromotor or electrisity generator of engine are Contiuum type common rail electromotor, rotary engine or other electromotor, combine with electromotor, cooling system, control system and output device；Or combined by electric generator using fuel battery and output device.Electromotor or electric generator using fuel battery can use oil, gas, biomass fuel, hydrogen fuel equal energy source.
As optimal technical scheme, the depth that the present invention provides mixes hybrid vehicle driving control system, described double dynamical power supply includes high-specific-power, the ultracapacitor group of high-energy-density or quick charging battery group or battery-super capacitance group, its electric flux is equipped with, and reaches and electric power is provided separately so that hybrid vehicle is continued a journey more than 3 kilometers under standard condition to drive system.
As further improved technology scheme, the depth that the present invention provides mixes hybrid vehicle driving control system, and it is that pure power motor drives that described depth mixes hybrid vehicle, and electromotor or electrisity generator of engine are not passed through mechanical drive mode and be connected with drive system；Described drive system is mixed hybrid vehicle for described depth and is provided pull strength, including motor and its controller or different velocity motor drive system；There is provided under the operating mode of driving electric output in single supply, based on electromotor or electrisity generator of engine offer driven by power, account for the 50%～90% of driving time, supplemented by ultracapacitor, quick charging battery group or battery-super capacitor group offer driven by power, account for the 10%～50% of driving time；When the power that the output power of motor of drive system exports more than electromotor or electrisity generator of engine, electromotor or electrisity generator of engine keep rated output operating mode, are superimposed output driving electric power by electromotor or electrisity generator of engine with ultracapacitor, quick charging battery group or battery-super capacitor group.
As further improved technology scheme, the depth that the present invention provides mixes hybrid vehicle driving control system, and described ultracapacitor group, quick charging battery group or battery-super capacitance group are also the energy storage device of Brake energy recovery.Brake energy recovery efficiency 30%～90%.
As further improved technology scheme, the depth that the present invention provides mixes hybrid vehicle driving control system, the drive system that described depth mixes hybrid vehicle is the motor driven systems using torque Closed-loop Control Strategy or using vector control strategy, or the drive system using differential speed motor.
In order to solve above-mentioned technical problem, a third aspect of the present invention, the present invention provides a kind of deep mixed hybrid vehicle, has the depth described in the mixed hybrid vehicle power supply of the depth described in aforementioned any one and/or any one and mixes hybrid vehicle driving control system；Described super capacitor group, quick charging battery group or battery-super capacitance group may be selected in-car recharging or select extrapolation power source charges.
In order to solve above-mentioned technical problem, a fourth aspect of the present invention, the present invention provides a kind of depth to mix the control method of hybrid vehicle power supply, and for being applied to the control method of deep mixed hybrid vehicle driving control system, described depth is mixed hybrid vehicle driving control system and possessed：Including electromotor or electrisity generator of engine, the double dynamical power supply constituting with super capacitor group, quick charging battery group or battery-super capacitance group；It is responsible for running entire vehicle control software, the data message of collection sensor is controlled logic discrimination and sends control instruction, the vehicle management system of data message；The BMS management system of the electric parameter of collection super capacitor group, quick charging battery group or battery-super capacitance group and accumulator；Drive system and aid system；Prevent the electric energy in Brake energy recovery and the electric energy voltage reversal surge generator of super capacitor group, quick charging battery group or battery-super capacitance group or the electricity isolation device of electrisity generator of engine；Immediately obtain the unsteady flow coupling device of super capacitor group, quick charging battery group or battery-super capacitance group electric energy；Described double dynamical power supply can need to provide single supply electric power output or the superposition output of dual power supply electric power according to operating mode, uses for drive system and aid system, the conversion of driving power supply or dual power supply are superimposed output driving electric power, are realized by unsteady flow coupling device；Described electromotor or electrisity generator of engine have and can execute vehicle management system and/or the start stop apparatus of start and stop instruction that BMS management system sends, and described electromotor or electrisity generator of engine possess automatic start-stop function；Described aid system includes the start stop apparatus of DC/DC supply convertor, power-assisted steering pump, electric compressor, electromotor or electrisity generator of engine, and the start and stop working strategies of electromotor or electrisity generator of engine at least include one of following strategies：
When BMS management system detects super capacitor group, quick charging battery group or battery-super capacitance group terminal voltage and is in under-voltage, BMS management system sends enabling signal to start stop apparatus, start stop apparatus sends enabling signal to electromotor or electrisity generator of engine, and electromotor or electrisity generator of engine start；When BMS management system detects super capacitor group, quick charging battery group or battery-super capacitance group terminal voltage and is in overvoltage, BMS management system sends stopping signal to start stop apparatus, and electromotor or electrisity generator of engine are shut down；
The motor revolution that vehicle management system detects drive system is zero; after steering wheel angle is less than setting value and remains to setting time; deep mixed hybrid vehicle is in traction gear; and when being in on-position; vehicle management system sends stopping signal to start stop apparatus; start stop apparatus sends stopping signal to electromotor or electrisity generator of engine, and electromotor or electrisity generator of engine are shut down；
After braking reset, stepping on accelerator pedal and BMS management system detect the dump energy of super capacitor group, quick charging battery group or battery-super capacitance group（SOC）During less than setting value, vehicle management system sends enabling signal to start stop apparatus, and electromotor or electrisity generator of engine start；
When vehicle management system detects the engine motor oil temperature of electromotor or electrisity generator of engine and is less than setting value, vehicle management system does not send stopping signal to start stop apparatus or sends enabling signal, makes electromotor or electrisity generator of engine be in starting state；When oil temperature reaches setting value, start stop apparatus normal work, electromotor or electrisity generator of engine press start stop apparatus instruction works；
When vehicle management system detects the engine water temperature of electromotor or electrisity generator of engine and reaches setting value, start stop apparatus sends shutdown or does not send enabling signal, makes electromotor or electrisity generator of engine be in stopped status all the time；When water temperature is less than setting value, start stop apparatus normal work, electromotor or electrisity generator of engine press start stop apparatus instruction works；
Vehicle management system detects deep mixed hybrid vehicle and is in after neutral gear reaches setting time and when deep mixed hybrid vehicle is in on-position, and vehicle management system sends stopping signal to start stop apparatus, and electromotor or electrisity generator of engine are shut down；
When vehicle management system detects deep mixed hybrid vehicle and is in reverse gear, vehicle management system sends startup to start stop apparatus or does not send stopping signal, makes electromotor or electrisity generator of engine be in starting state all the time；
In aforementioned strategic process, when BMS management system detect accumulator have enough energy for next time startup when, after start stop apparatus receives stopping signal, electromotor or electrisity generator of engine are just shut down, and otherwise, electromotor or electrisity generator of engine are not shut down.
In the case of not conflicting, above-mentioned improvement or optimal technical scheme can be implemented alone or in combination.
In the present invention, torque Closed-loop Control Strategy refers to：By being incorporated in the closed loop control of torque angle beta the variable quantity of electromagnetic torque as integral term, form closed-loop control system with torque angle beta as target, thus the dependence to parameter of electric machine when avoiding that in MTPA control, torque angle beta is asked for.Experiment shows there is more preferable feasibility, and algorithm is simple, implements reliable.
The beneficial effect that the present invention brings：The technical scheme that the present invention provides, car load adopts motor pure driven by power pattern；Electromotor or electrisity generator of engine only provide power supply, individually or with super capacitor group, quick charging battery group or battery-super capacitance group output driving electric power simultaneously, electromotor or electrisity generator of engine do not drive car load to travel by being mechanically connected drive system；When generating set or electrisity generator of engine quit work, there is provided electric energy by super capacitor group, quick charging battery group or battery-super capacitance group, when generating set or electrisity generator of engine output are less than drive system power, jointly provide electric energy by generating set or electrisity generator of engine and super capacitor group, quick charging battery group or battery-super capacitance group.Car load using small-power, efficient electromotor or electrisity generator of engine as main energy source, and can make electromotor or the operating condition of electrisity generator of engine stablize, energy efficient；Outside plug type power source charges may also be employed, with more motility；Automatic generator or the start and stop of electrisity generator of engine, it is possible to decrease fuel consumption；It is no longer necessary to build substantial amounts of charging pile in society, product is easier to realize the marketization technical scheme providing, and the depth being most possible popularization in future mixes Technology of Hybrid Electric Vehicle.
The technical scheme providing can be according to the change demand of drive system output, using the high power of super capacitor group, quick charging battery group or battery-super capacitance group, Large Copacity, high efficiency performance advantage, automatically control coupling conversion input power, make electromotor or electrisity generator of engine be in the steady-working state of greater efficiency all the time, so that car load energy consumption is reduced.
Depth in the present invention is mixed hybrid vehicle and adopts pure power motor to drive, and the work efficiency of drive motor easily reaches more than 92%, and the engine operating efficiency of conventional fuel oil car is generally 20%～30%；Using technical scheme, convenient select efficiency is high, rated power is relatively small electromotor or electrisity generator of engine it is easier to reduce integral vehicle cost, such as the work efficiency of permanent-magnet electric power generation all-in-one machine is up to more than 93%；In certain current range, the efficiency of fuel battery engines is higher, the technical scheme that the present invention provides, if selecting fuel battery engines, the high-efficiency operation closer to 55% for the fuel battery engines can be made, far above the efficiency of prior art I. C. engine, energy-saving effect is obvious.
BMS management system detects the electric parameter of ultracapacitor group, quick charging battery group or battery-super capacitance group and low tension battery; effective protection ultracapacitor group, quick charging battery group or battery-super capacitance group; increase the service life, provide control instruction for electromotor start stop apparatus simultaneously.
Station in City service radius mostly is 0.9～1.2 km, the electric flux of super capacitor group, quick charging battery group or battery-super capacitance group is equipped with, reach and electric power is provided separately so that deep mixed hybrid vehicle is continued a journey more than 3 kilometers under standard condition, in the case that electric generator of vehicle or electrisity generator of engine break down or do not have fuel, can be easily obtained logistics service guarantee, so that vehicle is exempted or reduce barrier impact urban highway traffic for some reason；When road gradient is relatively steep, long climbing driving cycle, when generating set or electrisity generator of engine output are inadequate, the electric energy of super capacitor group, quick charging battery group or battery-super capacitance group makes vehicle complete enough, and city is relatively steep, relatively long distance climbing travels, and do not affect the operating condition of electromotor or electrisity generator of engine.
Through tests below working condition measurement：Experimental condition：A test roads：Properties test cleaning, dry, flat, with carrying out on the linear road of Colophonium or concrete pavement.Road length 2～3km, wide not less than 8m, head fall is within 0.1%；B preheating travels：Before test, test vehicle carries out preheating and travels, and makes automobile engine or drive motor, controller, power train and other parts be preheating to the state of temperature of regulation；C environmental condition：Outside atmosphere temperature is 5 DEG C～32 DEG C, and laboratory test temperature is 20 DEG C～30 DEG C, and atmospheric pressure is 91KPa～104KPa, it is less than 3m/S higher than the mean wind speed at the 0.7M of road surface, gustiness is less than 5m/S, and relative humidity is less than 95%, and test must not be carried out in rainy day and greasy weather；D energy consumption calculation：Semi-load vehicle is accelerated to 40km/h by testing track and keeps this speed to travel 1km, the energy that it consumes is energy consumption of vehicles.
Test result shows：The depth that the present invention provides mixes hybrid vehicle compared with traditional combustion engine vehicle energy saving more than 40%.
Brief description
Accompanying drawing is used for providing a further understanding of the present invention, constitutes the part of the application, and the schematic description and description of the present invention is used for explaining the present invention, does not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the control principle schematic diagram of embodiment hybrid vehicle power supply；
Fig. 2 is embodiment engine power generation unit performance plot；
Fig. 3 is the graph of relation between fuel battery engines efficiency and electric current.
Specific embodiment
Below in conjunction with the accompanying drawings the specific embodiment of the present invention is described in further detail.
The depth that the present invention provides mixes hybrid vehicle, possesses power supply, its power supply includes electromotor or electrisity generator of engine, the double dynamical power supply constituting with high-specific-power, the ultracapacitor group of high-energy-density or quick charging battery group or battery-super capacitance group；Described double dynamical power supply can need to provide single supply electric power output or the superposition output of dual power supply electric power according to operating mode, drive system and aid system for deep mixed hybrid vehicle use, and electromotor or electrisity generator of engine are not passed through mechanical drive mode and be connected with drive system.Electromotor or electrisity generator of engine, preferably by Contiuum type common rail electromotor, rotary engine or other electromotor, are combined with electromotor, cooling system, control system and output device；Or combined by electric generator using fuel battery and output device.Electromotor or electric generator using fuel battery can use oil, gas, biomass fuel, hydrogen fuel equal energy source.The electric flux of high-specific-power, the ultracapacitor group of high-energy-density or quick charging battery group or battery-super capacitance group is equipped with, and reaches and electric power is provided separately so that deep mixed hybrid vehicle is continued a journey more than 3 kilometers under standard condition.
Depth as shown in Figure 1 mixes the driving control system of hybrid vehicle, including electromotor or electrisity generator of engine and the double dynamical power supply of charge-discharge power power supply；It is responsible for running entire vehicle control software, the data message of collection sensor is controlled logic discrimination and sends control instruction, the vehicle management system of data message（ECU）；The BMS management system of the electric parameter of collection charge-discharge power power supply and accumulator；Drive system；Aid system；Prevent the electric energy in Brake energy recovery and the electric energy voltage reversal surge generator of super capacitor group, quick charging battery group or battery-super capacitance group or the electricity isolation device of electrisity generator of engine；Immediately obtain the unsteady flow coupling device of super capacitor group, quick charging battery group or battery-super capacitance group electric energy；Double dynamical power supply can need to provide single supply or dual power supply electric power output for car load according to operating mode, uses for drive system and aid system, under different operating modes, the conversion of driving power supply or dual power supply output driving electric power simultaneously, and realized by unsteady flow coupling device；Drive system is mixed hybrid vehicle for described depth and is provided pull strength, including motor and its controller or different velocity motor drive system；Aid system includes the equipment such as DC/DC supply convertor, power-assisted steering pump, electric compressor, electromotor start stop apparatus, frost removal, air-conditioning, vehicle audio.
The preferred high-specific-power of charge-discharge power power supply, the ultracapacitor group of high-energy-density or quick charging battery group or battery-super capacitance group, charge-discharge power power supply is also the energy storage device of Brake energy recovery, under standard condition, its electric flux be equipped with reach be provided separately electric power to drive system make vehicle continue a journey more than 3 kilometers.
Car load is that pure power motor drives, and electromotor or electrisity generator of engine are not passed through mechanical connection manner and be connected with drive system.There is provided under the operating mode of driving electric output in single supply, based on electromotor or electrisity generator of engine offer driven by power, account for the 50%～90% of driving time, supplemented by charge-discharge power power supply offer driven by power, account for the 10%～50% of driving time；When the output power of motor of drive system is more than the power of electromotor or electrisity generator of engine output, electromotor or electrisity generator of engine and charge-discharge power power supply output driving electric power simultaneously.
Electromotor or electrisity generator of engine possess automatic start-stop function, and electromotor or electrisity generator of engine have and can execute vehicle management system and/or the start stop apparatus of automatic start-stop instruction that BMS management system sends.
BMS management system real-time detection charge-discharge power power supply and the electric parameter of low tension battery, effective protection ultracapacitor group, quick charging battery group or battery-super capacitance group, increase the service life, and provide control instruction for electromotor start stop apparatus simultaneously.
Car load drive system is using the motor driven systems using torque Closed-loop Control Strategy or using vector control strategy, or drive system, the preferred magneto of motor of drive system or the differential speed motor using differential speed motor.
Electromotor or electrisity generator of engine output voltage are rated value, rated output power is stationary value, electromotor or electrisity generator of engine out-put supply carry out distribution through electric cabinet to drive system and aid system, drive system mainly includes permanent magnet motor and motor speed adjusting controller or the drive system using differential speed motor, and aid system mainly includes the equipment such as DC/DC supply convertor, power-assisted steering pump, electric compressor, frost removal, air-conditioning, electromotor start stop apparatus, vehicle audio；The operating voltage range of charge-discharge power power supply is a certain numerical value；When drive system output power of motor is more than electromotor or electrisity generator of engine rated output power（Or output-current rating）When, charge-discharge power power supply is drive system powering electric motors, and release is stored in the energy of charge-discharge power power supply, and when automobile brake, drive system motor is converted into power storage in charge-discharge power power supply kinetic energy, for using when needing；When electromotor or electrisity generator of engine output are more than drive system output power of motor, also charge-discharge power power supply can be charged.In addition, when running into special operation condition, charge-discharge power power supply may be led to exist and to overcharge phenomenon, if BMS management system detects ultracapacitor group, when quick charging battery group or battery-super capacitance group terminal voltage are higher than a certain numerical value, BMS management system sends vehicle management system to overvoltage signal, vehicle management system sends to start stop apparatus and overcharges signal, electromotor or electrisity generator of engine quit work, at this moment car load is powered is provided by charge-discharge power power supply, by the electric energy supply drive system of storage and aid system work, enter ultracapacitor group, quick charging battery group or battery-super capacitance group pure electric traction mode of operation；If BMS management system detects charge-discharge power power supply terminal voltage less than a certain numerical value, belong to under-voltage condition, BMS management system transmits under-voltage signal to vehicle management system, vehicle management system sends starting-up signal to start stop apparatus, electromotor or electrisity generator of engine start, output electric energy, is drive system and aid system and ultracapacitor group, quick charging battery group or battery-super capacitance group are powered；The data message of vehicle management system Real-time Collection sensor is controlled logic discrimination and sends control instruction, sends to start stop apparatus in real time and opens, stops signal, the start and stop of real-time control electromotor or electrisity generator of engine；The premise of each subnormal start and stop is that accumulator has enough energy; if no enough energy start stop apparatuses do not execute halt instruction; the long-life of super capacitor, quick charging battery group or battery-super capacitance group so can be extended; play the advantage of its high-power and electromotor or electrisity generator of engine efficiency high; reduce use cost; prominent energy-saving effect, expands course continuation mileage.
Vehicle management system sends control instruction and at least includes one of following strategies：
When BMS management system detects super capacitor group, quick charging battery group or battery-super capacitance group terminal voltage and is in under-voltage, BMS management system sends enabling signal to start stop apparatus, start stop apparatus sends enabling signal to electromotor or electrisity generator of engine, and electromotor or electrisity generator of engine start；When BMS management system detects super capacitor group, quick charging battery group or battery-super capacitance group terminal voltage and is in overvoltage, BMS management system sends stopping signal to start stop apparatus, and electromotor or electrisity generator of engine are shut down.The technical problem solving is protection super capacitor group, quick charging battery group or battery-super capacitance group, is unlikely to deep discharge or voltage overcharges, increase the service life.
The motor revolution that vehicle management system detects drive system is zero; after steering wheel angle is less than setting value and remains to setting time; for example after steering wheel angle is less than 3 degree of holding 2S; deep mixed hybrid vehicle is in traction gear; and when being in on-position; vehicle management system sends stopping signal to start stop apparatus, and start stop apparatus sends stopping signal to electromotor or electrisity generator of engine, and electromotor or electrisity generator of engine are shut down.The technical problem solving is how to reduce the energy consumption of generating set or electrisity generator of engine under suspended state, the state that vehicle management system detects stops transport condition for vehicle, in a state in which when vehicle be not used as running under power, car load is powered can be provided by super capacitor group, quick charging battery group or battery-super capacitance group, quit work and can reduce the energy consumption of generating set or electrisity generator of engine.
After braking reset, when stepping on accelerator pedal and BMS management system detect the dump energy of super capacitor group, quick charging battery group or battery-super capacitance group and are less than setting value, for example dump energy is less than the 80% of rated capacity, vehicle management system sends enabling signal to start stop apparatus, and electromotor or electrisity generator of engine start.Can ensure that super capacitor group, quick charging battery group or battery-super capacitance group have enough energy, prevent that electric energy deficiency occurs under special operation condition.
Vehicle management system detects electromotor or the engine motor oil temperature of electrisity generator of engine is less than setting value（Such as 80 DEG C）When, vehicle management system does not send stopping signal to start stop apparatus or sends enabling signal, makes electromotor or electrisity generator of engine be in starting state；When oil temperature reaches setting value（Such as 80 DEG C）When, start stop apparatus normal work, electromotor or electrisity generator of engine press start stop apparatus instruction works.Can prevent engine oil from emulsion occurring.
In order to solve the technical problem of the cooling system protecting deep mixed hybrid vehicle.Vehicle management system detects electromotor or the engine water temperature of electrisity generator of engine reaches setting value（Such as 85 DEG C）When, start stop apparatus sends shutdown or does not send enabling signal, makes electromotor or electrisity generator of engine be in stopped status all the time；When water temperature is less than setting value（Such as 85 DEG C）When, start stop apparatus normal work, electromotor or electrisity generator of engine press start stop apparatus instruction works.
Vehicle management system detects deep mixed hybrid vehicle and is in after neutral gear reaches setting time（Such as 2S）, and when deep mixed hybrid vehicle is in on-position, vehicle management system sends stopping signal to start stop apparatus, and electromotor or electrisity generator of engine are shut down.
When vehicle management system detects deep mixed hybrid vehicle and is in reverse gear, vehicle management system sends startup to start stop apparatus or does not send stopping signal, makes electromotor or electrisity generator of engine be in starting state all the time.The technical problem solving is to make enough outputs link up to complete reversing process.
In aforementioned strategic process, when BMS management system detect accumulator have enough energy for next time startup when, after start stop apparatus receives stopping signal, electromotor or electrisity generator of engine are just shut down, and otherwise, electromotor or electrisity generator of engine are not shut down.Solve technical problem be, it is ensured that automatic start-stop device can be according to the normal start and stop of control strategy in aforementioned each strategic process.
In embodiment, charge-discharge power power supply is ultracapacitor group, quick charging battery group or battery-super capacitance group.
As shown in Figure 2, curve 1 is torque curve, curve 2 is output power curve, curve 3 is fuel consumption curve, from by Contiuum type common rail electromotor, rotary engine and electromotor, cooling system, the 36kw electromotor of control system and output device combination or electrisity generator of engine, under 2500～3000 revs/min of rotating speeds, rotating speed can be obtained, energy consumption, output, moment of torsion optimum, realize obtaining higher output and moment of torsion under low energy consumption, make unit be in long service life simultaneously again, less pollutant emission, compared with low noise, the preferable rotating speed of less vibration.
As shown in Figure 3, in certain current range, the efficiency of fuel battery engines is higher, the technical scheme that the present invention provides, if selecting fuel battery engines, the high-efficiency operation closer to 55% for the fuel battery engines can be made, far above the efficiency of prior art I. C. engine, energy-saving effect substantially, reduces caloric value.
The invention is not restricted to above preferred implementation, also can carry out conversion and the improvement of various ways, same technical problem can be solved, and obtain expected technique effect, therefore not repeat in the spirit that the claims in the present invention and description limit.Those of ordinary skill in the art can from present disclosure directly or all schemes of associating, as long as within the spirit that claim limits, falling within protection scope of the present invention.
Claims (12)
1. a kind of deep mixed hybrid vehicle power supply it is characterised in that：Including electromotor or electrisity generator of engine, the double dynamical power supply constituting with super capacitor group, quick charging battery group or battery-super capacitance group；Described double dynamical power supply can need to provide single supply electric power output or the superposition output of dual power supply electric power according to operating mode, and drive system and aid system for deep mixed hybrid vehicle use.
2. depth according to claim 1 mix hybrid vehicle power supply it is characterised in that：Described electromotor or electrisity generator of engine are Contiuum type common rail electromotor, rotary engine or other electromotor, combine with electromotor, cooling system, control system and output device；Or combined by electric generator using fuel battery and output device.
3. depth according to claim 1 mix hybrid vehicle power supply it is characterised in that：Described super capacitor group, quick charging battery group or battery-super capacitance group are high-specific-power, the ultracapacitor group of high-energy-density or quick charging battery group or battery-super capacitance group, its electric flux is equipped with, and reaches and electric power is provided separately so that deep mixed hybrid vehicle is continued a journey more than 3 kilometers under standard condition.
4. depth according to claim 1 mix hybrid vehicle power supply it is characterised in that：It is that pure power motor drives that described depth mixes hybrid vehicle, and electromotor or electrisity generator of engine are not passed through mechanical drive mode and be connected with drive system.
5. a kind of deep mixed hybrid vehicle driving control system it is characterised in that：Including electromotor or electrisity generator of engine, the double dynamical power supply constituting with super capacitor group, quick charging battery group or battery-super capacitance group；It is responsible for running entire vehicle control software, the data message of collection sensor is controlled logic discrimination and sends control instruction, the vehicle management system of data message；The BMS management system of the electric parameter of collection super capacitor group, quick charging battery group or battery-super capacitance group and accumulator；Drive system and aid system；Prevent the electric energy in Brake energy recovery and the electric energy voltage reversal surge generator of super capacitor group, quick charging battery group or battery-super capacitance group or the electricity isolation device of electrisity generator of engine；Immediately obtain the unsteady flow coupling device of super capacitor group, quick charging battery group or battery-super capacitance group electric energy；Described double dynamical power supply can need to provide single supply electric power output or the superposition output of dual power supply electric power according to operating mode, uses for drive system and aid system, the conversion of driving power supply or dual power supply are superimposed output driving electric power, are realized by unsteady flow coupling device；Described electromotor or electrisity generator of engine have and can execute vehicle management system and/or the start stop apparatus of start and stop instruction that BMS management system sends, and described electromotor or electrisity generator of engine possess automatic start-stop function；Described aid system includes the start stop apparatus of DC/DC supply convertor, power-assisted steering pump, electric compressor, electromotor or electrisity generator of engine.
6. depth according to claim 5 mix hybrid vehicle driving control system it is characterised in that：Described electromotor or electrisity generator of engine are Contiuum type common rail electromotor, rotary engine or other electromotor, combine with electromotor, cooling system, control system and output device；Or combined by electric generator using fuel battery and output device.
7. depth according to claim 5 mix hybrid vehicle driving control system it is characterised in that：Described double dynamical power supply includes high-specific-power, the ultracapacitor group of high-energy-density or quick charging battery group or battery-super capacitance group, and its electric flux is equipped with, and reaches and electric power is provided separately so that hybrid vehicle is continued a journey more than 3 kilometers under standard condition to drive system.
8. depth according to claim 5 mix hybrid vehicle driving control system it is characterised in that：It is that pure power motor drives that described depth mixes hybrid vehicle, and electromotor or electrisity generator of engine are not passed through mechanical drive mode and be connected with drive system；Described drive system is mixed hybrid vehicle for described depth and is provided pull strength, including motor and its controller or different velocity motor drive system；There is provided under the operating mode of driving electric output in single supply, based on electromotor or electrisity generator of engine offer driven by power, account for the 50%～90% of driving time, supplemented by ultracapacitor, quick charging battery group or battery-super capacitor group offer driven by power, account for the 10%～50% of driving time；When the power that the output power of motor of drive system exports more than electromotor or electrisity generator of engine, electromotor or electrisity generator of engine keep rated output operating mode, are superimposed output driving electric power by electromotor or electrisity generator of engine with ultracapacitor, quick charging battery group or battery-super capacitor group.
9. depth according to claim 5 mix hybrid vehicle driving control system it is characterised in that：Described ultracapacitor group, quick charging battery group or battery-super capacitance group are also the energy storage device of Brake energy recovery.
10. depth according to claim 5 mix hybrid vehicle driving control system it is characterised in that：The drive system that described depth mixes hybrid vehicle is the motor driven systems using torque Closed-loop Control Strategy or using vector control strategy, or the drive system using differential speed motor.
A kind of deep mixed 11. hybrid vehicles it is characterised in that：There is the depth described in any one of Claims 1 to 4 and mix hybrid vehicle power supply, and/or there are the mixed hybrid vehicle driving control system of depth, described super capacitor group, quick charging battery group or battery-super capacitance group optional in-car recharging or selection extrapolation power source charges described in any one of claim 5～10.
A kind of 12. depths mix the control method of hybrid vehicle power supply, for being applied to the control method of deep mixed hybrid vehicle driving control system it is characterised in that the mixed hybrid vehicle driving control system of described depth possesses：Including electromotor or electrisity generator of engine, the double dynamical power supply constituting with super capacitor group, quick charging battery group or battery-super capacitance group；It is responsible for running entire vehicle control software, the data message of collection sensor is controlled logic discrimination and sends control instruction, the vehicle management system of data message；The BMS management system of the electric parameter of collection super capacitor group, quick charging battery group or battery-super capacitance group and accumulator；Drive system and aid system；Prevent the electric energy in Brake energy recovery and the electric energy voltage reversal surge generator of super capacitor group, quick charging battery group or battery-super capacitance group or the electricity isolation device of electrisity generator of engine；Immediately obtain the unsteady flow coupling device of super capacitor group, quick charging battery group or battery-super capacitance group electric energy；Described double dynamical power supply can need to provide single supply electric power output or the superposition output of dual power supply electric power according to operating mode, uses for drive system and aid system, the conversion of driving power supply or dual power supply are superimposed output driving electric power, are realized by unsteady flow coupling device；Described electromotor or electrisity generator of engine have and can execute vehicle management system and/or the start stop apparatus of start and stop instruction that BMS management system sends, and described electromotor or electrisity generator of engine possess automatic start-stop function；Described aid system includes the start stop apparatus of DC/DC supply convertor, power-assisted steering pump, electric compressor, electromotor or electrisity generator of engine, and the start and stop working strategies of electromotor or electrisity generator of engine at least include one of following strategies：
When BMS management system detects super capacitor group, quick charging battery group or battery-super capacitance group terminal voltage and is in under-voltage, BMS management system sends enabling signal to start stop apparatus, start stop apparatus sends enabling signal to electromotor or electrisity generator of engine, and electromotor or electrisity generator of engine start；When BMS management system detects super capacitor group, quick charging battery group or battery-super capacitance group terminal voltage and is in overvoltage, BMS management system sends stopping signal to start stop apparatus, and electromotor or electrisity generator of engine are shut down；
The motor revolution that vehicle management system detects drive system is zero; after steering wheel angle is less than setting value and remains to setting time; deep mixed hybrid vehicle is in traction gear; and when being in on-position; vehicle management system sends stopping signal to start stop apparatus; start stop apparatus sends stopping signal to electromotor or electrisity generator of engine, and electromotor or electrisity generator of engine are shut down；
After braking reset, when stepping on accelerator pedal and BMS management system detect the dump energy of super capacitor group, quick charging battery group or battery-super capacitance group and are less than setting value, vehicle management system sends enabling signal to start stop apparatus, and electromotor or electrisity generator of engine start；
When vehicle management system detects the engine motor oil temperature of electromotor or electrisity generator of engine and is less than setting value, vehicle management system does not send stopping signal to start stop apparatus or sends enabling signal, makes electromotor or electrisity generator of engine be in starting state；When oil temperature reaches setting value, start stop apparatus normal work, electromotor or electrisity generator of engine press start stop apparatus instruction works；
When vehicle management system detects the engine water temperature of electromotor or electrisity generator of engine and reaches setting value, start stop apparatus sends shutdown or does not send enabling signal, makes electromotor or electrisity generator of engine be in stopped status all the time；When water temperature is less than setting value, start stop apparatus normal work, electromotor or electrisity generator of engine press start stop apparatus instruction works；
Vehicle management system detects deep mixed hybrid vehicle and is in after neutral gear reaches setting time and when deep mixed hybrid vehicle is in on-position, and vehicle management system sends stopping signal to start stop apparatus, and electromotor or electrisity generator of engine are shut down；
When vehicle management system detects deep mixed hybrid vehicle and is in reverse gear, vehicle management system sends startup to start stop apparatus or does not send stopping signal, makes electromotor or electrisity generator of engine be in starting state all the time；
In aforementioned strategic process, when BMS management system detect accumulator have enough energy for next time startup when, after start stop apparatus receives stopping signal, electromotor or electrisity generator of engine are just shut down, and otherwise, electromotor or electrisity generator of engine are not shut down.
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