CN108248397A - Electricity-generating control method, device, range extender system and electric vehicle - Google Patents

Electricity-generating control method, device, range extender system and electric vehicle Download PDF

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Publication number
CN108248397A
CN108248397A CN201611249735.3A CN201611249735A CN108248397A CN 108248397 A CN108248397 A CN 108248397A CN 201611249735 A CN201611249735 A CN 201611249735A CN 108248397 A CN108248397 A CN 108248397A
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CN
China
Prior art keywords
target
power generation
generated output
engine
generation mode
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CN201611249735.3A
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Chinese (zh)
Inventor
钟松
刘星星
万骞
梅海舟
杨博
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BYD Co Ltd
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BYD Co Ltd
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Priority to CN201611249735.3A priority Critical patent/CN108248397A/en
Publication of CN108248397A publication Critical patent/CN108248397A/en
Pending legal-status Critical Current

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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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K11/00—Arrangement in connection with cooling of propulsion units
    • B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
    • 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
    • B60L50/00—Electric propulsion with power supplied within the vehicle
    • B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
    • B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
    • B60L50/61—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries by batteries charged by engine-driven generators, e.g. series hybrid electric vehicles
    • 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
    • B60L58/12—Methods or circuit arrangements for monitoring or controlling batteries or fuel cells, specially adapted for electric vehicles for monitoring or controlling batteries responding to state of charge [SoC]
    • B60L58/14—Preventing excessive discharging
    • 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
    • Y02T10/62—Hybrid vehicles
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
    • Y02T10/00—Road transport of goods or passengers
    • Y02T10/60—Other road transportation technologies with climate change mitigation effect
    • Y02T10/70—Energy storage systems for electromobility, e.g. batteries

Abstract

This disclosure relates to a kind of electricity-generating control method, device, range extender system and electric vehicle.This method includes：The target power generation mode of electric vehicle is obtained, the target power generation mode is one in following pattern：Electric-only mode, mileage pattern and economic model；The target power generation mode is sent to the engine controller；Receive the target generated output that the engine controller is sent, the target generated output be the engine controller according to the remaining capacity of target power generation mode and power battery come determining；When the target generated output meets preset power generation conditions, control is connected on preliminary filling contactor between the distribution box and the power battery and is attracted so that the distribution box to the power battery into line precharge.It thus, it is possible to reduce the occupancy of engine controller, more can steadily charge in electric vehicle operational process to power battery, promote the service life of power battery, extend course continuation mileage.

Description

Electricity-generating control method, device, range extender system and electric vehicle
Technical field
This disclosure relates to electric vehicle field, and in particular, to a kind of electricity-generating control method, device, range extender system and Electric vehicle.
Background technology
Environmental problem has been to be concerned by more and more people at present, and Green Travel is favourably welcome, the popularization of electric vehicle also gesture It must go.For electric vehicle, cruising ability is the major reason that it is hindered to promote, and electric vehicle can only be docked in Charging station charges, and has seriously affected the operation arrangement of electric vehicle in this way.Increase range extender system in electric vehicle, it can To realize that it charges in the process of running, the continuation of the journey of electric vehicle can be effectively solved the problems, such as.
Existing range extender system is made of engine with starting power generation all-in-one machine, and the heat dissipation of range extender system, system are low Generator three-phase current is converted into direct current to power battery by the electrical stability of die block, the formulation of Generation Control strategy It carries out the process of charging etc. and is required to engine controller to participate in.In addition, engine controller will also be used to control driving motor Operating with ensure vehicle run.That is, to simultaneously participate in range extender system related to drive system for engine controller Work, the occupancy of such engine controller are very high, it will and the control performance of engine controller is caused to decline, so as to cause The stability of range extender system reduces, power battery reduced service life.
Invention content
The purpose of the disclosure is directed in the prior art since engine controller simultaneously participates in range extender system and driving The problem of stability of range extender system caused by the related work of system lowers, battery shortens, provides a kind of hair Electric control method, device, range extender system and electric vehicle.
To achieve these goals, the disclosure provides a kind of Generation Control side of range extender system for electric vehicle Method, the range extender system include power generation pilot controller, generator, engine controller, engine and engine controller, It is connected between the engine controller and power battery by distribution box, the method is applied to power generation pilot controller, institute The method of stating includes：The target power generation mode of electric vehicle is obtained, the target power generation mode is one in following pattern：Pure electricity Dynamic model formula, mileage pattern and economic model；The target power generation mode is sent to the engine controller；Receive the hair The target generated output that electric machine controller is sent, the target generated output are the engine controllers according to target power generation mould The remaining capacity of formula and power battery comes determining；When the target generated output meets preset power generation conditions, control string The preliminary filling contactor being associated between the distribution box and the power battery is attracted, so that the distribution box is to the power electric Pond is into line precharge.
Optionally, the target power generation mode for obtaining electric vehicle, including：Receiving power generation mode switching signal When, according to the power generation mode switching signal, determine the target power generation mode, wherein, the power generation mode switching signal is used In the instruction target power generation mode；When not receiving the power generation mode switching signal, specified power generation mode is determined For the target power generation mode.
Optionally, the preset power generation conditions are：The target generated output is more than zero.
Optionally, the method further includes：Receive what the engine controller was sent at engine start-up conditions First coolant temperature signal, wherein, the first coolant temperature signal is used to indicate the engine controller water outlet First coolant temperature at place；According to the first coolant temperature signal, generator driven water pump startup and control power generation are controlled The start and stop of machine radiator fan and rotating speed, wherein, the generator water pump, the generator, the engine controller and institute It states generator heat-radiation device and is connected by being full of the first coolant pipeline of the first coolant to form the first generator cooling circuit, The generator heat-radiation device fan is set adjacent to the generator heat-radiation device, to be cooled down to the generator heat-radiation device.
Optionally, the method further includes：Receive what the engine controller was sent at engine start-up conditions Oil temperature signal；According to the oil temperature signal, generator pump start is controlled, wherein, the power generation lubricating oil pump and the generator It connects to form the second generator cooling circuit, the power generation lubricating oil pump by the second coolant pipeline for being full of the second coolant The neighbouring generator is set, to provide power for the second coolant flow in the second generator cooling circuit.
Optionally, the method further includes：Receive what the engine controller was sent at engine start-up conditions Engine intake temperature signal；According to the engine intake temperature signal, the start and stop of cooling fan in control, wherein, institute Engine and the first engine radiator is stated to connect to form the first engine cooling circuit, the middle cold wind by air-cooled pipeline Neighbouring first engine radiator of fan is set, to be cooled down to first engine radiator.
The disclosure also provides a kind of electricity-generating control method of the range extender system for electric vehicle, the range extender system Including power generation pilot controller, generator, engine controller, engine and engine controller, the engine controller It being connect between power battery by distribution box, the method is applied to engine controller, the method includes：Receive power generation The target power generation mode for the electric vehicle that pilot controller is sent, the target power generation mode are one in following pattern：It is pure Electric model, mileage pattern and economic model；Receive the electric power detection signal that battery management system is sent, the electric power detection letter Number for representing the remaining capacity of power battery；According to the target power generation mode and the remaining capacity of the power battery, really Set the goal generated output；The target generated output is sent to the power generation pilot controller；Be connected on the distribution box with It is the power battery into line precharge by the distribution box after preliminary filling contactor between the power battery is attracted； After the completion of the precharge of the power battery, the generator is controlled to drag the engine to starting state；According to the mesh Generated output is marked, determines the rotating speed of target of corresponding engine；Send the rotating speed of target to the engine controller, with by The engine controller controls the engine to operate according to the rotating speed of target.
Optionally, it is described according to the target power generation mode and the remaining capacity of the power battery, determine that target generates electricity Power, including one of following：In the case where the target power generation mode is economic model or mileage pattern, when described surplus When remaining electricity is greater than or equal to the first predetermined threshold value, determine that the target generated output is zero, wherein, in target power generation work( When rate is zero, the range extender system is stopped；In the case where the target power generation mode is economic model, described surplus When remaining electricity is less than the first predetermined threshold value and is greater than or equal to the second predetermined threshold value, using the first generated output as the target Generated output；In the target power generation mode in the case of mileage pattern, the remaining capacity be less than the first predetermined threshold value, And during more than or equal to the second predetermined threshold value, using the second generated output as the target generated output；It generates electricity in the target Pattern is in the case of economic model, is less than the second predetermined threshold value and more than or equal to third predetermined threshold value in the remaining capacity When, using third generated output as the target generated output, wherein, the third generated output is more than the described first power generation work( Rate；In the target power generation mode under mileage mode situation, the remaining capacity be less than the second predetermined threshold value and be more than or During equal to third predetermined threshold value, using the 4th generated output as the target generated output, wherein, the 4th generated output is big In second generated output；In the target power generation mode in the case of economic model, it is less than the in the remaining capacity During three predetermined threshold values, using the 5th generated output as the target generated output, wherein, the 5th generated output is more than described Third generated output；In the case where the target power generation mode is mileage pattern, preset in the remaining capacity less than third During threshold value, using the 6th generated output as the target generated output, wherein, the 6th generated output is more than the described 4th hair Electrical power.
Optionally, it is described according to the target power generation mode and the remaining capacity of the power battery, determine that target generates electricity Power further includes at least one of following：In the case where the target power generation mode is economic model, in the engine According to the corresponding rotating speed of target of first generated output operated and the remaining capacity become greater than or equal to first in Between threshold value when, determine that the target generated output is zero, wherein, first intermediate threshold be more than first predetermined threshold value； In the case where the target power generation mode is mileage pattern, in the engine according to the corresponding mesh of second generated output Mark rotating speed is operated and the remaining capacity becomes greater than or during equal to the first intermediate threshold, determines the target power generation work( Rate is zero；In the case where the target power generation mode is economic model, in the engine according to the third generated output Corresponding rotating speed of target is operated and the remaining capacity becomes greater than or during equal to the second intermediate threshold, by described first Generated output as the target generated output, wherein, second intermediate threshold is more than and second predetermined threshold value and is less than First intermediate threshold；In the target power generation mode in the case of mileage pattern, in the engine according to described the The corresponding rotating speed of target of four generated outputs is operated and the remaining capacity becomes greater than or during equal to the second intermediate threshold, Using second generated output as the target generated output；In the case where the target power generation mode is economic model, It is operated in the engine according to the corresponding rotating speed of target of the 5th generated output and the remaining capacity becomes greater than Or during equal to third intermediate threshold, using the third generated output as the target generated output, wherein, among the third Threshold value is more than the third predetermined threshold value and less than second intermediate threshold；It is mileage pattern in the target power generation mode In the case of, it is operated in the engine according to the corresponding rotating speed of target of the 6th generated output and the residue is electric When quantitative change is more than or equal to third intermediate threshold, using the 4th generated output as the target generated output.
Optionally, it is described according to the target power generation mode and the remaining capacity of the power battery, determine that target generates electricity Power further includes：In the case where the target power generation mode is electric-only mode, it is greater than or equal to institute in the remaining capacity When stating third predetermined threshold value, determine that the target generated output is zero；In the feelings that the target power generation mode is electric-only mode Under condition, when the remaining capacity is less than the third predetermined threshold value, the target power generation mode is switched into the economic mould Formula, and using the 5th generated output as the target generated output.
Optionally, it is described according to the target power generation mode and the remaining capacity of the power battery, determine that target generates electricity Power further includes：In the target power generation mode after electric-only mode switches to economic model, when the remaining capacity becomes During more than the third intermediate threshold, the power generation mode is switched into the electric-only mode.
The disclosure also provides a kind of power generation control of the range extender system for electric vehicle, the range extender system Including power generation pilot controller, generator, engine controller, engine and engine controller, the engine controller It is connect between power battery by distribution box, described device is applied to power generation pilot controller, and described device includes：Obtain mould Block, for obtaining the target power generation mode of electric vehicle, the target power generation mode is one in following pattern：Pure electric vehicle mould Formula, mileage pattern and economic model；First sending module, for the target power generation mode to be sent to the generator control Device；First receiving module, for receiving the target generated output that the engine controller is sent, the target generated output is The engine controller is according to the remaining capacity of target power generation mode and power battery come determining；First control module is used In when the target generated output meets preset power generation conditions, control be connected on the distribution box and the power battery it Between preliminary filling contactor be attracted so that the distribution box to the power battery into line precharge.
Optionally, the acquisition module includes：First determination sub-module, for receiving power generation mode switching signal When, according to the power generation mode switching signal, determine the target power generation mode, wherein, the power generation mode switching signal is used In the instruction target power generation mode；Second determination sub-module, for when not receiving the power generation mode switching signal, inciting somebody to action The power generation mode specified is determined as the target power generation mode.
Optionally, the preset power generation conditions are：The target generated output is more than zero.
Optionally, described device further includes：Second receiving module opens for receiving the engine controller in engine The the first coolant temperature signal sent in the case of dynamic, wherein, the first coolant temperature signal is used to indicate the hair First coolant temperature of electric machine controller water outlet；First control module is additionally operable to according to the first coolant temperature Signal is spent, control generator driven water pump startup and controls start and stop and the rotating speed of generator heat-radiation device fan, wherein, the power generation Machine water pump, the generator, the engine controller and the generator heat-radiation device are by being full of the first of the first coolant Coolant pipeline is connected to form the first generator cooling circuit, and the generator heat-radiation device fan is adjacent to the generator heat-radiation Device is set, to be cooled down to the generator heat-radiation device.
Optionally, described device further includes：Third receiving module opens for receiving the engine controller in engine The oil temperature signal sent in the case of dynamic；First control module is additionally operable to according to the oil temperature signal, control power generation machine oil Pump startup, wherein, the power generation lubricating oil pump and the generator are connected by being full of the second coolant pipeline of the second coolant To form the second generator cooling circuit, the power generation lubricating oil pump is set adjacent to the generator, with for second generator The second coolant flow in cooling circuit provides power.
Optionally, described device further includes：4th receiving module opens for receiving the engine controller in engine The engine intake temperature signal sent in the case of dynamic；First control module is additionally operable to according to the engine charge Mouth temperature signal, the start and stop of cooling fan in control, wherein, the engine and the first engine radiator pass through air-cooled pipeline string Connection is to form the first engine cooling circuit, and the middle cooling fan is set adjacent to first engine radiator, with to described First engine radiator is cooled down.
The disclosure also provides a kind of power generation control of the range extender system for electric vehicle, the range extender system Including power generation pilot controller, generator, engine controller, engine and engine controller, the engine controller It is connect between power battery by distribution box, described device is applied to engine controller, and described device includes：5th receives Module, for receive power generation pilot controller send electric vehicle target power generation mode, the target power generation mode be with One in lower pattern：Electric-only mode, mileage pattern and economic model；6th receiving module, for receiving battery management system The electric power detection signal that system is sent, the electric power detection signal are used to represent the remaining capacity of power battery；First determining module, For the remaining capacity according to the target power generation mode and the power battery, target generated output is determined；Second sends mould Block, for sending the target generated output to the power generation pilot controller；Pre-charge module, for being connected on described match After preliminary filling contactor between electronic box and the power battery is attracted, preliminary filling is carried out for the power battery by the distribution box Electricity；Second control module, for the generator after the completion of the precharge of the power battery, to be controlled to drag the engine To starting state；Second determining module, for according to the target generated output, determining the rotating speed of target of corresponding engine； Third sending module, for sending the rotating speed of target to the engine controller, with by the engine controller according to The rotating speed of target controls the engine operating.
Optionally, first determining module includes one of following：Third determination sub-module, in the target In the case that power generation mode is economic model or mileage pattern, when the remaining capacity is greater than or equal to the first predetermined threshold value, Determine that the target generated output is zero, wherein, when the target generated output is zero, the range extender system stops work Make；4th determination sub-module in the case of in the target power generation mode for economic model, is less than in the remaining capacity First predetermined threshold value and more than or equal to the second predetermined threshold value when, using the first generated output as the target generated output；The Five determination sub-modules in the case of in the target power generation mode for mileage pattern, are less than first in the remaining capacity Predetermined threshold value and more than or equal to the second predetermined threshold value when, using the second generated output as the target generated output；6th really Stator modules for being economic model in the target power generation mode, are less than the second default threshold in the remaining capacity Value and during more than or equal to third predetermined threshold value, using third generated output as the target generated output, wherein, described the Three generated outputs are more than first generated output；7th determination sub-module, for being mileage mould in the target power generation mode In the case of formula, when the remaining capacity is less than the second predetermined threshold value and is greater than or equal to third predetermined threshold value, by the 4th power generation Power as the target generated output, wherein, the 4th generated output be more than second generated output；8th determines son Module in the case of in the target power generation mode for economic model, is less than third predetermined threshold value in the remaining capacity When, using the 5th generated output as the target generated output, wherein, the 5th generated output is more than third power generation work( Rate；9th determination sub-module in the case of in the target power generation mode for mileage pattern, is less than in the remaining capacity During third predetermined threshold value, using the 6th generated output as the target generated output, wherein, the 6th generated output is more than institute State the 4th generated output.
Optionally, first determining module further includes at least one of following：Tenth determination sub-module, in institute Target power generation mode is stated in the case of economic model, to turn in the engine according to the corresponding target of first generated output Speed is operated and the remaining capacity becomes greater than or during equal to the first intermediate threshold, determines that the target generated output is Zero, wherein, first intermediate threshold is more than first predetermined threshold value；11st determination sub-module, in the target In the case that power generation mode is mileage pattern, carried out in the engine according to the corresponding rotating speed of target of second generated output Operating and the remaining capacity become greater than or during equal to the first intermediate thresholds, determine that the target generated output is zero；Tenth Two determination sub-modules, in the target power generation mode in the case of economic model, in the engine according to described the The corresponding rotating speed of target of three generated outputs is operated and the remaining capacity becomes greater than or during equal to the second intermediate threshold, Using first generated output as the target generated output, wherein, it is default that second intermediate threshold is more than described second Threshold value and less than first intermediate threshold；13rd determination sub-module, for being mileage pattern in the target power generation mode In the case of, it is operated in the engine according to the corresponding rotating speed of target of the 4th generated output and the residue is electric When quantitative change is more than or equal to the second intermediate threshold, using second generated output as the target generated output；14th Determination sub-module, in the case of in the target power generation mode for economic model, in the engine according to the described 5th The corresponding rotating speed of target of generated output is operated and the remaining capacity becomes greater than or during equal to third intermediate threshold, will The third generated output as the target generated output, wherein, the third intermediate threshold presets threshold more than the third It is worth and less than second intermediate threshold；15th determination sub-module, for being mileage pattern in the target power generation mode In the case of, it is operated in the engine according to the corresponding rotating speed of target of the 6th generated output and the remaining capacity It becomes greater than or during equal to third intermediate threshold, using the 4th generated output as the target generated output.
Optionally, first determining module further includes：16th determination sub-module, in the target power generation mode In the case of for electric-only mode, when the remaining capacity is greater than or equal to the third predetermined threshold value, the target is determined Generated output is zero；17th determination sub-module, in the case of in the target power generation mode for electric-only mode, in institute When stating remaining capacity less than the third predetermined threshold value, the target power generation mode is switched into the economic model, and by institute The 5th generated output is stated as the target generated output.
Optionally, first determining module further includes：Switching submodule, in the target power generation mode from pure electricity After dynamic model formula switches to economic model, when the remaining capacity becomes greater than the third intermediate threshold, by the power generation mould Formula switches to the electric-only mode.
The disclosure also provides a kind of range extender system for electric vehicle, and the range extender system includes：Power generation auxiliary Controller, the power generation pilot controller include the power generation control for the range extender system for electric vehicle that the disclosure provides Device processed；Engine controller is electrically connected with the power generation pilot controller, and the engine controller is provided including the disclosure The range extender system for electric vehicle power generation control；Engine controller starts mechatronics with described, And it is electrically connected with the power generation pilot controller；Engine is electrically connected with the engine controller, in the engine It works under the control of controller；Generator is connect with the engine controller, and is rigidly connected with the engine, is used for It operates to complete the charging to power battery under the drive of the engine.
The disclosure also provides a kind of electric vehicle, including range extender system and drive system, wherein, the range extender system For the range extender system that the disclosure provides, the drive system is used to drive the electric automobile during traveling.
Through the above technical solutions, range extender system can include power generation pilot controller, generator, generator control Device, engine and engine controller, power generation pilot controller can be when target generated output meets preset power generation conditions Preliminary filling contactor is controlled to be attracted, to prepare for power battery precharge, engine controller can be attracted in preliminary filling contactor Afterwards, it is that control generator drags engine to starting state to power battery after the completion into line precharge, and in precharge, that is, starts The startup of machine does not need to that starter motor additionally is configured, and structure which not only simplifies range extender system reduces cost, Er Qieke To eliminate the failure problems that can not start due to the engine that starter motor problem is brought.In addition, the engine controller is not involved in The driving motor control of electric vehicle, can reduce the occupancy of engine controller, can be run in electric vehicle in this way It more steadily charges in journey to power battery, promotes the service life of power battery, extend course continuation mileage.
Other feature and advantage of the disclosure will be described in detail in subsequent specific embodiment part.
Description of the drawings
Attached drawing is for providing further understanding of the disclosure, and a part for constitution instruction, with following tool Body embodiment is used to explain the disclosure, but do not form the limitation to the disclosure together.In the accompanying drawings：
Fig. 1 is the structure diagram according to a kind of electric vehicle shown in an exemplary embodiment.
Fig. 2 is the Generation Control side according to a kind of range extender system for electric vehicle shown in an exemplary embodiment The flow chart of method.
Fig. 3 A to Fig. 3 C are to determine target generated output according to a kind of engine controller shown in an exemplary embodiment Flow chart.
Fig. 4 is the structure diagram of a kind of electric vehicle shown according to another exemplary embodiment.
Fig. 5 is the Generation Control side according to a kind of range extender system for electric vehicle shown in an exemplary embodiment The flow chart of method.
Fig. 6 is filled according to a kind of Generation Control of range extender system for electric vehicle shown in an exemplary embodiment The block diagram put.
Fig. 7 is filled according to a kind of Generation Control of range extender system for electric vehicle shown in an exemplary embodiment The block diagram put.
Specific embodiment
The specific embodiment of the disclosure is described in detail below in conjunction with attached drawing.It should be understood that this place is retouched The specific embodiment stated is only used for describing and explaining the disclosure, is not limited to the disclosure.
Fig. 1 is the structure diagram according to a kind of electric vehicle shown in an exemplary embodiment.It is as shown in Figure 1, electronic Automobile can include range extender system and drive system.The range extender system can include：Generate electricity pilot controller 10, generator 20th, engine controller 30, engine 40, engine controller 50.The range extender system is used to charge for power battery, The drive system is used to drive the electric automobile during traveling.
As shown in Figure 1, the electric vehicle can also include power generation mode switch 60, distribution box 70, preliminary filling contactor 80, electricity Pond manages system 90 and power battery 100.
In the disclosure, pass through distribution box 70 and preliminary filling contactor 80 between engine controller 30 and power battery 100 Connection；Engine controller 50 is electrically connected with engine 40, and is electrically connected with power generation pilot controller 10；Engine 40 is with starting Machine controller 50 is electrically connected, for working under the control of engine controller 50；Generator is connect with engine controller 30, And be rigidly connected with engine 40, for operating to complete the charging to power battery 100 under the drive of 40 engines；Power generation Mode switch 60 is connect with power generation pilot controller 10, has electric-only mode gear, mileage pattern gear and economic model gear Position, wherein, electric-only mode gear enters electric-only mode for triggering electric vehicle, and mileage pattern gear is described for triggering Electric vehicle enters mileage pattern, and economic model gear enters economic model for triggering electric vehicle, for the ease of driver The power generation mode can be switched 60 and be set to around steering wheel, for example, instrument desk on the left of steering wheel can be set to by operation On the left of upper, steering wheel on driving lever, steering wheel it is first-class；Preliminary filling contactor 80, one end are connect with distribution box 70, the other end and power electric Pond 100 connects；Battery management system 90, one end are connect with power battery 100, and the other end is connect with engine controller 30, are used In the remaining capacity of acquisition power battery 100, and will be for representing that the electric power detection signal of the remaining capacity is sent to generator Controller 30；Power battery 100, one end are connect by preliminary filling contactor 80 with distribution box 70, the other end and battery management system 90 connections, for charging under the action of generator.
Fig. 2 is the Generation Control side according to a kind of range extender system for electric vehicle shown in an exemplary embodiment The flow chart of method, wherein, this method can be applied to power generation pilot controller, for example, power generation pilot controller shown in FIG. 1 10.As shown in Fig. 2, this method may comprise steps of.
In step 201, power generation pilot controller obtains the target power generation mode of electric vehicle.
In the disclosure, which can be one in following pattern：Electric-only mode, mileage pattern and Economic model.
In one embodiment, when receiving power generation mode switching signal, it can be switched and believed according to the power generation mode Number, determine target power generation mode, wherein, which is used to indicate target power generation mode.The power generation mode is opened OFF signal can with power generation mode switch shifting state it is corresponding, power generation mode switch can have electric-only mode gear, Mileage pattern gear and economic model gear.In the case of driver evaluation's mileage travelled pattern, driver can pass through hand It is dynamic to operate power generation mode switch to realize the switching of gear.Illustratively, when drive according to assessment mileage need electric vehicle into When entering electric-only mode, can by by power generation mode switch be set to electric-only mode gear trigger electric vehicle enter it is pure Electric model.Power generation mode switch can be electrically connected with power generation pilot controller, after power generation mode is switched set by driver, Power generation mode switching signal can be sent to power generation pilot controller, the power generation mode is then received by power generation pilot controller and is opened OFF signal.
Illustratively, when assessing mileage in below 200km, power generation mode can be switched and be set to economic model by driver Gear.In the economy mode, electric vehicle preferentially consumes vehicle electricity, can save gasoline in this way, reduce cost.
Again illustratively, when assessing mileage in more than 200km, power generation mode can be switched and be set to mileage mould by driver Formula gear.Under mileage pattern, electric vehicle keeps coulomb balance, extends course continuation mileage as possible.
Again illustratively, when electric vehicle, when driving, power generation mode can be switched and put short-distance and medium-distance by driver in city Electric-only mode gear is arrived in position.Under electric-only mode, electric vehicle mainly with electric drive, passes through in the case where electricity is very low Range extender system supplements electric power, so as to meeting the actual motion demand of vehicle.
It in another embodiment, can be by specified power generation mode when not receiving power generation mode switching signal It is determined as target power generation mode.That is, in the case where driver does not assess mileage travelled pattern, power generation mode switch letter Number non-set, the pilot controller that generates electricity in this way will be unable to receive power generation mode signal, at this point it is possible to determine target power generation mode For specified power generation mode, for example, economic model.
In addition, after the pilot controller that generates electricity gets the target power generation mode of electric vehicle, the target can be exported Power generation mode, in this way, driver is apparent that the current electricity generation situation of electric vehicle.It illustratively, can be in power generation mould Indicator light is provided on formula switch, after target power generation mode is acquired, power generation pilot controller can control power generation mode to open Light corresponding target power generation mode indicator light in pass.For example, corresponding power generation mode can be shown by the color of indicator light. Again illustratively, display screen can be provided on power generation mode switch, after target power generation mode determines, which can be sent out Power mode is output to the display screen.
In step 202, target power generation mode is sent to engine controller by power generation pilot controller.
In step 203, power generation pilot controller receives the target generated output that engine controller is sent.
In the disclosure, which is engine controller according to the surplus of target power generation mode and power battery Remaining electricity comes determining.
As shown in Figure 3A and Figure 3B, engine controller can determine target generated output in the following manner：In mesh In the case of power generation mode is marked as economic model or mileage pattern, when remaining capacity is greater than or equal to the first predetermined threshold value, really The generated output that sets the goal is zero, wherein, when the target generated output is zero, the range extender system is stopped；In mesh Power generation mode is marked in the case of economic model, to be less than the first predetermined threshold value in remaining capacity and being preset more than or equal to second During threshold value, using the first generated output as the target generated output；In the case where target power generation mode is mileage pattern, When remaining capacity is less than the first predetermined threshold value and is greater than or equal to the second predetermined threshold value, using the first generated output as the mesh Mark generated output；In the case that target power generation mode be economic model, remaining capacity be less than the second predetermined threshold value and be more than or During equal to third predetermined threshold value, using third generated output as the target generated output；It is mileage mould in target power generation mode In the case of formula, when remaining capacity is less than the second predetermined threshold value and is greater than or equal to third predetermined threshold value, by the 4th generated output As the target generated output；In the case where target power generation mode is economic model, preset in remaining capacity less than third During threshold value, using the 5th generated output as the target generated output；In the case where target power generation mode is mileage pattern, When remaining capacity is less than third predetermined threshold value, using the 6th generated output as the target generated output.
In the disclosure, remaining capacity can represent the residual power percentage of power battery.Illustratively, the first default threshold To be worth for the 85%, second predetermined threshold value be 65%, third predetermined threshold value 20%.In addition, third generated output is more than the first power generation Power, the 4th generated output are more than the second generated output, and the 5th generated output is more than third generated output, and the 6th generated output is big In the 4th generated output.Illustratively, the first generated output is 30KW, the second generated output is 50KW, third generated output is 50KW, the 4th generated output are 80KW, the 5th generated output is 110KW, the 6th generated output is 110KW.Additionally need explanation , the first generated output and the second generated output can be equal, can not also be equal.Similarly, third generated output and Four generated outputs can be equal, can not also be equal；5th generated output and the 6th generated output can be equal, can not also phase Deng.In addition, it is necessary to explanation, when target generated output is zero, range extender system is stopped.That is, in target In the case that power generation mode is economic model or mileage pattern, when remaining capacity is greater than or equal to the first predetermined threshold value, increase journey Device system stalls.
In addition, in the case where the target power generation mode is economic model, in engine according to the first generated output pair The rotating speed of target answered is operated and remaining capacity becomes greater than or during equal to the first intermediate threshold, determines target generated output It is zero；In the case where the target power generation mode is mileage pattern, in engine according to the corresponding target of the second generated output Rotating speed is operated and remaining capacity becomes greater than or during equal to the first intermediate threshold, it is zero to determine target generated output；Institute Target power generation mode is stated in the case of economic model, to be transported in engine according to the corresponding rotating speed of target of third generated output Turn and remaining capacity becomes greater than or during equal to the second intermediate threshold, using the first generated output as the target generated output； In the target power generation mode in the case of mileage pattern, engine according to the corresponding rotating speed of target of the 4th generated output into Row operating and remaining capacity becomes greater than or during equal to the second intermediate threshold, generates electricity the second generated output as the target Power；In the case where the target power generation mode is economic model, in engine according to the corresponding target of the 5th generated output Rotating speed is operated and remaining capacity becomes greater than or during equal to third intermediate threshold, using third generated output as the mesh Mark generated output；In the case where the target power generation mode is mileage pattern, corresponded in engine according to the 6th generated output Rotating speed of target operated and remaining capacity becomes greater than or during equal to third intermediate threshold, using the 4th generated output as The target generated output.
In the disclosure, the first intermediate threshold be more than the first predetermined threshold value, the second intermediate threshold be more than the second predetermined threshold value, And less than the first intermediate threshold, third intermediate threshold is more than third predetermined threshold value and less than the second intermediate threshold.Illustratively, One intermediate threshold be the 90%, second intermediate threshold be 70%, third intermediate threshold is 25%.
As shown in Figure 3 C, engine controller can also determine target generated output in the following manner：It is sent out in target In the case that power mode is electric-only mode, when remaining capacity is greater than or equal to third predetermined threshold value, target power generation work(is determined Rate is zero；In the case where target power generation mode is electric-only mode, when remaining capacity is less than third predetermined threshold value, by target Power generation mode switches to economic model, and using the 5th generated output as the target generated output.
In addition, in target power generation mode after electric-only mode switches to economic model, when remaining capacity becomes greater than During three intermediate thresholds, power generation mode is switched into electric-only mode.
After target generated output determines, range extender system can according to target power generation mode and battery dump energy into Enter the generating state of corresponding power, it can be under the premise of course continuation mileage, power performance demand and battery performance be ensured, into one Step preferentially uses the electricity of power battery, in this way, oil consumption can be reduced, it is cost-effective, improve the service life of power battery.
In step 204, when target generated output meets preset power generation conditions, power generation pilot controller control series connection Preliminary filling contactor between distribution box and power battery is attracted so that distribution box to power battery into line precharge.
In the disclosure, which can be that target generated output is more than zero.When target generated output is big When zero, represent that power battery needs to charge, at this point, power generation pilot controller can control preliminary filling contactor to be attracted, it is follow-up The precharge of power battery be ready.
Through the above technical solutions, range extender system can include power generation pilot controller, generator, generator control Device, engine and engine controller, power generation pilot controller can be when target generated output meets preset power generation conditions Preliminary filling contactor is controlled to be attracted, to prepare for power battery precharge, engine controller can be attracted in preliminary filling contactor Afterwards, it is that control generator drags engine to starting state to power battery after the completion into line precharge, and in precharge, that is, starts The startup of machine does not need to that starter motor additionally is configured, and structure which not only simplifies range extender system reduces cost, Er Qieke To eliminate the failure problems that can not start due to the engine that starter motor problem is brought.In addition, the engine controller is not involved in The driving motor control of electric vehicle, can reduce the occupancy of engine controller, can be run in electric vehicle in this way It more steadily charges in journey to power battery, promotes the service life of power battery, extend course continuation mileage.
Fig. 4 is the structure diagram of a kind of electric vehicle shown according to another exemplary embodiment.It as shown in figure 4, should Electric vehicle can also include：First temperature sensor, for obtaining the first of the water outlet of the engine controller 30 Coolant temperature；Generator water pump 130 is electrically connected with the power generation pilot controller 10, in the power generation auxiliary control Start under the control of device 10；Generator heat-radiation device is electrically connected with the power generation pilot controller 10；Generator heat-radiation device fan 120, the neighbouring generator heat-radiation device is set, and is electrically connected with the power generation pilot controller 10, for auxiliary in the power generation It helps under the control of controller 10 and the generator heat-radiation device is cooled down；Oil temperature sensor, with the power generation pilot controller 10 electrical connections, for the oil temperature signal detected to be sent to the power generation pilot controller 10；Generate electricity lubricating oil pump 110, It is electrically connected with the power generation pilot controller 10, for working under the control of the power generation pilot controller 10；Second temperature Sensor, for obtaining the engine intake temperature signal；First engine radiator is electrically connected with the engine 40 It connects；Middle cooling fan 140 is electrically connected with the power generation pilot controller 10 and neighbouring first engine radiator is set, uses The start and stop under the control in the power generation pilot controller 10, to be cooled down to first engine radiator；Third temperature Sensor is spent, for obtaining the third coolant temperature of the water outlet of the engine 40；Engine water pump 160, with starting 40 machinery of machine is direct-connected, for providing power for the third coolant flow in the second engine cooling circuit；Second engine dissipates Hot device is electrically connected with the engine 40；Engine radiator fan 150, neighbouring second engine radiator are set, and It is electrically connected with the engine controller 50, for being dissipated under the control of the engine controller 50 to second engine Hot device is cooled down.
In addition, as shown in figure 4, the range extender system can also include low-voltage power supply system.Wherein, 24V accumulators are to 24V Low-pressure system is powered, and 24 turns of 12VDC-DC are connected with 24V accumulators, and 24V voltages supply after DC-DC is converted to 12V low-pressure systems Electricity.Turn low voltage DC-DC with the high pressure that power battery is connected through distribution box transfer to charge to 24V accumulators.
Illustratively, as shown in figure 4, power generation pilot controller 10, engine controller 30, engine controller 50, start Machine radiator fan 120, middle cooling fan 140, power generation lubricating oil pump 110, generator water pump 130 low-voltage power supply be to be stored by 24V Battery and DC-DC cooperated power supplies.Also, 24V accumulators can be charged by DC after the power is turned in vehicle, can effectively avoid electric power storage The problem of pond is fed and low-pressure system power supply is unstable.
Electric vehicle based on shown in Fig. 4, above application can also be wrapped in the electricity-generating control method of power generation pilot controller It includes：
Receive the first coolant temperature signal that engine controller is sent at engine start-up conditions.
According to the first coolant temperature signal, control generator driven water pump startup and control generator heat-radiation device fan Start and stop and rotating speed.
In the disclosure, which is used to indicate the first cooling of engine controller water outlet Liquid temperature, first coolant temperature can be detected by being set to the first temperature sensor inside engine controller. For example, first temperature sensor can be water temperature sensor.Generator water pump, generator, engine controller and generator Radiator connects to form the first generator cooling circuit by being full of the first coolant pipeline of the first coolant.Generator dissipates Hot device fan is set adjacent to generator heat-radiation device, to be cooled down to generator heat-radiation device.In addition, generator water pump can be electricity Dynamic water pump can be electrically connected with power generation pilot controller, for starting under the control of power generation pilot controller, with for the first hair The first coolant flow in motor cooling circuit provides power.
Optionally, above application can also include in the electricity-generating control method of power generation pilot controller：
Receive the oil temperature signal that engine controller is sent at engine start-up conditions.
According to oil temperature signal, generator pump start is controlled.
In the disclosure, generate electricity lubricating oil pump and generator by be full of the second coolant pipeline of the second coolant connect with Form the second generator cooling circuit.The lubricating oil pump that generates electricity is set adjacent to generator, with for the in the second generator cooling circuit Two coolant flows provide power.Illustratively, power generation lubricating oil pump can be electric water pump, be electrically connected with power generation pilot controller.
Optionally, above application can also include in the electricity-generating control method of power generation pilot controller：
Receive the engine intake temperature signal that engine controller is sent at engine start-up conditions.
According to engine intake temperature signal, the start and stop of cooling fan in control.
In the disclosure, engine and the first engine radiator are connected cold to form the first engine by air-cooled pipeline But circuit, middle cooling fan are set adjacent to the first engine radiator, to be cooled down to the first engine radiator.
In conclusion to the cooling down operation of each component in range extender system controlled by power generation pilot controller, That is, power generation pilot controller has shared the operation of some engine controllers, in this way, engine controller is only involved in In charge control, it is ensured that the control performance of engine controller.It is thus possible to ensure the cooling circuit of range extender system Operation is more good, and heat dissipation performance improves, it is possible to prevente effectively from each component of range extender system is due to the excessively high caused stopping of temperature The problem of work, improves the stability of range extender system.
Fig. 5 is the Generation Control side according to a kind of range extender system for electric vehicle shown in an exemplary embodiment The flow chart of method, wherein, this method can be applied to engine controller, for example, the generator control shown in Fig. 1 and Fig. 4 Device 20.As shown in figure 5, this method may comprise steps of.
In step 501, engine controller receives the target of the electric vehicle power generation mould that power generation pilot controller is sent Formula.
In step 502, engine controller receives the electric power detection signal that battery management system is sent.
In step 503, engine controller determines target according to target power generation mode and the remaining capacity of power battery Generated output.
In step 504, engine controller sends target generated output to power generation pilot controller.
In step 505, after the preliminary filling contactor being connected between distribution box and power battery is attracted, generator control Device is power battery into line precharge by distribution box.
In the disclosure, which is used to represent the remaining capacity of power battery.In addition, battery management system It can detect the electric current of the current battery level of power battery, the remaining capacity of power battery and power battery.Precharge Voltage will be determined according to the current battery level of power battery, for example, the present battery of the voltage of precharge and power battery Difference between voltage is in a preset range.
In step 506, after the completion of the precharge of power battery, engine controller control generator dragging engine To starting state.
In step 507, engine controller determines the rotating speed of target of corresponding engine according to target generated output.
In step 508, engine controller sends rotating speed of target to engine controller, with by engine controller root According to rotating speed of target control engine operating.
In the disclosure, generator and engine are rigidly direct-connected, and after the completion of power battery precharge, power battery can be with Power is provided for generator operation, such generator can drag engine start.After engine start, power generation can be dragged Machine generates electricity, and is charged after three-phase electric rectification is direct current by engine controller by distribution box to power battery, with electricity Other dynamic property modules of electrical automobile do not interact, and avoid the interference of other modules.
The execution sequence of above-mentioned steps 507 is not limited to sequence as shown in Figure 5, which can be in step 503 to step It performs after either step in rapid 506, is not especially limited here.
Electric vehicle based on shown in Fig. 4, above application can also include in the electricity-generating control method of engine controller：
Engine controller obtains the first coolant temperature signal at engine start-up conditions, and this first is cooled down Liquid temperature signal is sent to power generation pilot controller.
Optionally, above application can also include in the electricity-generating control method of engine controller：
Engine controller obtains oil temperature signal at engine start-up conditions, and oil temperature signal is sent to the hair Electric pilot controller.
The disclosure also provides a kind of electricity-generating control method of the range extender system for electric vehicle, and this method is applied to hair Motivation controller, the method includes：
Engine controller receives the rotating speed of target that engine controller is sent；
Engine controller controls the engine to be operated according to the rotating speed of target, with band according to the rotating speed of target The generator operation is moved to generate electricity.
Electric vehicle based on shown in Fig. 4, above application can also include in the electricity-generating control method of engine controller：
Engine controller obtains the engine intake temperature signal at engine start-up conditions, and by described in Engine intake temperature signal is sent to power generation pilot controller.
Optionally, above application can also include in the electricity-generating control method of engine controller：
Engine controller obtains third coolant temperature signal, wherein, the third coolant temperature signal is used to refer to Show the third coolant temperature at the engine water outlet；
According to the third coolant temperature signal, the height gear switching of control engine radiator fan.
In the disclosure, engine, engine water pump, the second engine radiator are by being full of the third of third coolant Coolant pipeline is connected to form the second engine cooling circuit, and the engine radiator fan is adjacent to second engine Radiator is set, to be cooled down to second engine radiator.In addition, engine water pump and engine machinery are direct-connected, For providing power for the third coolant flow in the second engine cooling circuit.Illustratively, engine water pump can be machine Tool water pump, it is direct-connected with engine by belt.
In addition, in power generation process, engine controller can be by engine speed Real-time Feedback to engine controller.
Fig. 6 is filled according to a kind of Generation Control of range extender system for electric vehicle shown in an exemplary embodiment The block diagram put, wherein, the power generation control can be applied to power generation pilot controller.As shown in fig. 6, the Generation Control fills Putting 600 can include：Acquisition module 601, for obtaining the target power generation mode of electric vehicle, the target power generation mode be with One in lower pattern：Electric-only mode, mileage pattern and economic model；First sending module 602, for by the acquisition mould The target power generation mode that block 601 is got is sent to the engine controller；First receiving module 603, for receiving The target generated output that the engine controller is sent, the target generated output is the engine controller according to target The remaining capacity of power generation mode and power battery comes determining；First control module 604, for working as first receiving module When the 603 target generated outputs received meet preset power generation conditions, control is connected on the distribution box and is moved with described Preliminary filling contactor between power battery is attracted so that the distribution box to the power battery into line precharge.
Optionally, the acquisition module 601 can include：First determination sub-module, for opening receiving power generation mode During OFF signal, according to the power generation mode switching signal, the target power generation mode is determined, wherein, the power generation mode switch Signal is used to indicate the target power generation mode；Second determination sub-module, for not receiving the power generation mode switch letter Number when, specified power generation mode is determined as the target power generation mode.
Optionally, the preset power generation conditions are：The target generated output is more than zero.
Optionally, described device further includes：Second receiving module opens for receiving the engine controller in engine The the first coolant temperature signal sent in the case of dynamic, wherein, the first coolant temperature signal is used to indicate the hair First coolant temperature of electric machine controller water outlet；First control module 604 is additionally operable to according to the first coolant temperature Signal is spent, control generator driven water pump startup and controls start and stop and the rotating speed of generator heat-radiation device fan, wherein, the power generation Machine water pump, the generator, the engine controller and the generator heat-radiation device are by being full of the first of the first coolant Coolant pipeline is connected to form the first generator cooling circuit, and the generator heat-radiation device fan is adjacent to the generator heat-radiation Device is set, to be cooled down to the generator heat-radiation device.
Optionally, described device further includes：Third receiving module opens for receiving the engine controller in engine The oil temperature signal sent in the case of dynamic；First control module 604 is additionally operable to according to the oil temperature signal, control power generation lubricating oil pump Start, wherein, it is described power generation lubricating oil pump and the generator by be full of the second coolant the second coolant pipeline connect with The second generator cooling circuit is formed, the power generation lubricating oil pump is set adjacent to the generator, with cold for second generator But the second coolant flow in circuit provides power.
Optionally, described device further includes：4th receiving module opens for receiving the engine controller in engine The engine intake temperature signal sent in the case of dynamic；First control module 604 is additionally operable to according to the engine charge Mouth temperature signal, the start and stop of cooling fan in control, wherein, the engine and the first engine radiator pass through air-cooled pipeline string Connection is to form the first engine cooling circuit, and the middle cooling fan is set adjacent to first engine radiator, with to described First engine radiator is cooled down.
Fig. 7 is filled according to a kind of Generation Control of range extender system for electric vehicle shown in an exemplary embodiment The block diagram put, wherein, the power generation control can be applied to engine controller.As shown in fig. 7, the power generation control 700 can include：5th receiving module 701, for receiving the target of the electric vehicle power generation mould that power generation pilot controller is sent Formula, the target power generation mode are one in following pattern：Electric-only mode, mileage pattern and economic model；6th receives Module 702, for receiving the electric power detection signal of battery management system transmission, the electric power detection signal is used to represent power electric The remaining capacity in pond；First determining module 703, for the target power generation received according to the 5th receiving module 702 The remaining capacity of the power battery that pattern and the 6th receiving module 702 receive, determines target generated output；Second Sending module 704, the target for being determined to the power generation pilot controller transmission first determining module 703 are sent out Electrical power；Pre-charge module 705, for being attracted in the preliminary filling contactor being connected between the distribution box and the power battery Afterwards, it is the power battery into line precharge by the distribution box；Second control module 706, in the power battery Precharge after the completion of, the generator is controlled to drag the engine to starting state；Second determining module 707, for root The target generated output determined according to first determining module 703 determines the rotating speed of target of corresponding engine；Third Sending module 708, the target for being determined to engine controller transmission second determining module 707 turn Speed, the engine to be controlled to operate according to the rotating speed of target by the engine controller.
Optionally, first determining module 703 can include one of following：Third determination sub-module, for In the case that the target power generation mode is economic model or mileage pattern, preset when the remaining capacity is greater than or equal to first During threshold value, determine that the target generated output is zero, wherein, when the target generated output is zero, the range extender system It is stopped；4th determination sub-module, in the case of in the target power generation mode for economic model, in the remaining electricity When amount is less than the first predetermined threshold value and is greater than or equal to the second predetermined threshold value, generate electricity the first generated output as the target Power；5th determination sub-module is small in the remaining capacity in the case of in the target power generation mode for mileage pattern In the first predetermined threshold value and more than or equal to the second predetermined threshold value when, using the second generated output as the target generated output； 6th determination sub-module for being economic model in the target power generation mode, is less than second in the remaining capacity Predetermined threshold value and more than or equal to third predetermined threshold value when, using third generated output as the target generated output, wherein, The third generated output is more than first generated output；7th determination sub-module, for being in the target power generation mode Under mileage mode situation, it is less than the second predetermined threshold value in the remaining capacity and during more than or equal to third predetermined threshold value, by the Four generated outputs as the target generated output, wherein, the 4th generated output be more than second generated output；8th In the case of in the target power generation mode for economic model, it is pre- to be less than third in the remaining capacity for determination sub-module If during threshold value, using the 5th generated output as the target generated output, wherein, the 5th generated output is more than the third Generated output；9th determination sub-module, in the case of in the target power generation mode for mileage pattern, in the remaining electricity When amount is less than third predetermined threshold value, using the 6th generated output as the target generated output, wherein, the 6th generated output More than the 4th generated output.
Optionally, first determining module 703 can also include at least one of following：Tenth determination sub-module, In the case of in the target power generation mode for economic model, corresponded in the engine according to first generated output Rotating speed of target operated and the remaining capacity becomes greater than or during equal to the first intermediate threshold, determine the target hair Electrical power is zero, wherein, first intermediate threshold is more than first predetermined threshold value；11st determination sub-module, for In the case that the target power generation mode is mileage pattern, in the engine according to the corresponding target of second generated output Rotating speed is operated and the remaining capacity becomes greater than or during equal to the first intermediate threshold, determines the target generated output It is zero；12nd determination sub-module in the case of in the target power generation mode for economic model, is pressed in the engine According to the corresponding rotating speed of target of the third generated output operated and the remaining capacity become greater than or equal to second among During threshold value, using first generated output as the target generated output, wherein, second intermediate threshold is more than described the Two predetermined threshold values and less than first intermediate threshold；13rd determination sub-module, for being inner in the target power generation mode In the case of journey pattern, operated in the engine according to the corresponding rotating speed of target of the 4th generated output and described Remaining capacity becomes greater than or during equal to the second intermediate threshold, using second generated output as the target generated output； 14th determination sub-module, in the case of in the target power generation mode for economic model, in the engine according to institute State that the corresponding rotating speed of target of the 5th generated output is operated and the remaining capacity becomes greater than or equal to third intermediate threshold When, using the third generated output as the target generated output, wherein, it is pre- that the third intermediate threshold is more than the third If threshold value and less than second intermediate threshold；15th determination sub-module, for being mileage mould in the target power generation mode In the case of formula, operated in the engine according to the corresponding rotating speed of target of the 6th generated output and the residue Electricity becomes greater than or during equal to third intermediate threshold, using the 4th generated output as the target generated output.
Optionally, first determining module 703 can also further include：16th determination sub-module, in the mesh In the case that mark power generation mode is electric-only mode, when the remaining capacity is greater than or equal to the third predetermined threshold value, really The fixed target generated output is zero；17th determination sub-module, for being electric-only mode in the target power generation mode In the case of, when the remaining capacity is less than the third predetermined threshold value, the target power generation mode is switched into the economy Pattern, and using the 5th generated output as the target generated output.
Optionally, first determining module 703 can also include：Switching submodule, in target power generation mould Formula is after electric-only mode switches to economic model, when the remaining capacity becomes greater than the third intermediate threshold, by institute It states power generation mode and switches to the electric-only mode.
The preferred embodiment of the disclosure is described in detail above in association with attached drawing, still, the disclosure is not limited to above-mentioned reality The detail in mode is applied, in the range of the technology design of the disclosure, a variety of letters can be carried out to the technical solution of the disclosure Monotropic type, these simple variants belong to the protection domain of the disclosure.
It is further to note that specific technical features described in the above specific embodiments, in not lance In the case of shield, it can be combined by any suitable means.In order to avoid unnecessary repetition, the disclosure to it is various can The combination of energy no longer separately illustrates.
In addition, arbitrary combination can also be carried out between a variety of different embodiments of the disclosure, as long as it is without prejudice to originally Disclosed thought should equally be considered as disclosure disclosure of that.

Claims (24)

  1. A kind of 1. electricity-generating control method of range extender system for electric vehicle, which is characterized in that the range extender system packet Include power generation pilot controller, generator, engine controller, engine and engine controller, the engine controller with It being connected between power battery by distribution box, the method is applied to power generation pilot controller, the method includes：
    The target power generation mode of electric vehicle is obtained, the target power generation mode is one in following pattern：Electric-only mode, Mileage pattern and economic model；
    The target power generation mode is sent to the engine controller；
    The target generated output that the engine controller is sent is received, the target generated output is the engine controller According to the remaining capacity of target power generation mode and power battery come determining；
    When the target generated output meets preset power generation conditions, control is connected on the distribution box and the power battery Between preliminary filling contactor be attracted so that the distribution box to the power battery into line precharge.
  2. 2. electricity-generating control method according to claim 1, which is characterized in that the target power generation mould for obtaining electric vehicle Formula, including：
    When receiving power generation mode switching signal, according to the power generation mode switching signal, the target power generation mode is determined, Wherein, the power generation mode switching signal is used to indicate the target power generation mode；
    When not receiving the power generation mode switching signal, specified power generation mode is determined as the target power generation mode.
  3. 3. according to the method described in claim 1, it is characterized in that, the preset power generation conditions are：
    The target generated output is more than zero.
  4. 4. according to the method described in claim 1, it is characterized in that, the method further includes：
    The first coolant temperature signal that the engine controller is sent at engine start-up conditions is received, wherein, institute State the first coolant temperature that the first coolant temperature signal is used to indicate the engine controller water outlet；
    According to the first coolant temperature signal, control generator driven water pump startup and control generator heat-radiation device fan Start and stop and rotating speed, wherein, the generator water pump, the generator, the engine controller and the generator heat-radiation device It connects to form the first generator cooling circuit, the generator heat-radiation by the first coolant pipeline for being full of the first coolant Device fan is set adjacent to the generator heat-radiation device, to be cooled down to the generator heat-radiation device.
  5. 5. according to the method described in claim 4, it is characterized in that, the method further includes：
    Receive the oil temperature signal that the engine controller is sent at engine start-up conditions；
    According to the oil temperature signal, generator pump start is controlled, wherein, the power generation lubricating oil pump and the generator are by filling Second coolant pipeline of full second coolant is connected to form the second generator cooling circuit, and the power generation lubricating oil pump is adjacent to institute Generator setting is stated, to provide power for the second coolant flow in the second generator cooling circuit.
  6. 6. according to the method described in claim 4, it is characterized in that, the method further includes：
    Receive the engine intake temperature signal that the engine controller is sent at engine start-up conditions；
    According to the engine intake temperature signal, the start and stop of cooling fan in control, wherein, the engine and first starts Machine radiator is connected by air-cooled pipeline to form the first engine cooling circuit, and the middle cooling fan starts adjacent to described first Machine radiator is set, to be cooled down to first engine radiator.
  7. A kind of 7. electricity-generating control method of range extender system for electric vehicle, which is characterized in that the range extender system packet Include power generation pilot controller, generator, engine controller, engine and engine controller, the engine controller with It being connected between power battery by distribution box, the method is applied to engine controller, the method includes：
    The target power generation mode of electric vehicle that power generation pilot controller is sent is received, the target power generation mode is following pattern In one：Electric-only mode, mileage pattern and economic model；
    The electric power detection signal that battery management system is sent is received, the electric power detection signal is used to represent the residue of power battery Electricity；
    According to the target power generation mode and the remaining capacity of the power battery, target generated output is determined；
    The target generated output is sent to the power generation pilot controller；
    It is institute by the distribution box after the preliminary filling contactor being connected between the distribution box and the power battery is attracted Power battery is stated into line precharge；
    After the completion of the precharge of the power battery, the generator is controlled to drag the engine to starting state；
    According to the target generated output, the rotating speed of target of corresponding engine is determined；
    Send the rotating speed of target to the engine controller, with by the engine controller according to the rotating speed of target control Make the engine operating.
  8. It is 8. the method according to the description of claim 7 is characterized in that described according to the target power generation mode and the power electric The remaining capacity in pond determines target generated output, including one of following：
    In the case where the target power generation mode is economic model or mileage pattern, when the remaining capacity is greater than or equal to the During one predetermined threshold value, determine that the target generated output is zero, wherein, when the target generated output is zero, the increasing journey Device system stalls；
    In the target power generation mode in the case of economic model, it is less than the first predetermined threshold value and big in the remaining capacity When the second predetermined threshold value, using the first generated output as the target generated output；
    In the target power generation mode in the case of mileage pattern, it is less than the first predetermined threshold value and big in the remaining capacity When the second predetermined threshold value, using the second generated output as the target generated output；
    It is economic model in the target power generation mode, is less than the second predetermined threshold value in the remaining capacity and is more than Or during equal to third predetermined threshold value, using third generated output as the target generated output, wherein, the third generated output More than first generated output；
    In the case where the target power generation mode is mileage mode situation, it is less than the second predetermined threshold value in the remaining capacity and is more than Or during equal to third predetermined threshold value, using the 4th generated output as the target generated output, wherein, the 4th generated output More than second generated output；
    It, will when the remaining capacity is less than third predetermined threshold value in the case where the target power generation mode is economic model 5th generated output as the target generated output, wherein, the 5th generated output be more than the third generated output；
    It, will when the remaining capacity is less than third predetermined threshold value in the case where the target power generation mode is mileage pattern 6th generated output as the target generated output, wherein, the 6th generated output be more than the 4th generated output.
  9. It is 9. according to the method described in claim 8, it is characterized in that, described according to the target power generation mode and the power electric The remaining capacity in pond determines target generated output, further includes at least one of following：
    In the case where the target power generation mode is economic model, corresponded in the engine according to first generated output Rotating speed of target operated and the remaining capacity becomes greater than or during equal to the first intermediate threshold, determine the target hair Electrical power is zero, wherein, first intermediate threshold is more than first predetermined threshold value；
    In the case where the target power generation mode is mileage pattern, corresponded in the engine according to second generated output Rotating speed of target operated and the remaining capacity becomes greater than or during equal to the first intermediate threshold, determine the target hair Electrical power is zero；
    In the case where the target power generation mode is economic model, corresponded in the engine according to the third generated output Rotating speed of target operated and the remaining capacity becomes greater than or during equal to the second intermediate threshold, described first is generated electricity Power as the target generated output, wherein, second intermediate threshold is more than second predetermined threshold value and less than described First intermediate threshold；
    In the case where the target power generation mode is mileage pattern, corresponded in the engine according to the 4th generated output Rotating speed of target operated and the remaining capacity becomes greater than or during equal to the second intermediate threshold, described second is generated electricity Power is as the target generated output；
    In the case where the target power generation mode is economic model, corresponded in the engine according to the 5th generated output Rotating speed of target operated and the remaining capacity becomes greater than or during equal to third intermediate threshold, the third is generated electricity Power as the target generated output, wherein, the third intermediate threshold is more than the third predetermined threshold value and less than described Second intermediate threshold；
    In the case where the target power generation mode is mileage pattern, corresponded in the engine according to the 6th generated output Rotating speed of target operated and the remaining capacity becomes greater than or during equal to third intermediate threshold, by the described 4th power generation Power is as the target generated output.
  10. It is 10. according to the method described in claim 9, it is characterized in that, described according to the target power generation mode and the power The remaining capacity of battery determines target generated output, further includes：
    In the case where the target power generation mode is electric-only mode, it is pre- to be greater than or equal to the third in the remaining capacity If during threshold value, determine that the target generated output is zero；
    In the case where the target power generation mode is electric-only mode, it is less than the third predetermined threshold value in the remaining capacity When, the target power generation mode is switched into the economic model, and the 5th generated output is generated electricity as the target Power.
  11. It is 11. according to the method described in claim 10, it is characterized in that, described according to the target power generation mode and the power The remaining capacity of battery determines target generated output, further includes：
    In the target power generation mode after electric-only mode switches to economic model, when the remaining capacity become greater than it is described During third intermediate threshold, the power generation mode is switched into the electric-only mode.
  12. A kind of 12. power generation control of range extender system for electric vehicle, which is characterized in that the range extender system packet Include power generation pilot controller, generator, engine controller, engine and engine controller, the engine controller with It is connected between power battery by distribution box, described device is applied to power generation pilot controller, and described device includes：
    Acquisition module, for obtaining the target power generation mode of electric vehicle, the target power generation mode is one in following pattern ：Electric-only mode, mileage pattern and economic model；
    First sending module, for the target power generation mode to be sent to the engine controller；
    First receiving module, for receiving the target generated output that the engine controller is sent, the target generated output Be the engine controller according to the remaining capacity of target power generation mode and power battery come determining；
    First control module, for when the target generated output meets preset power generation conditions, control to be connected on described match Preliminary filling contactor between electronic box and the power battery is attracted, so that the distribution box carries out preliminary filling to the power battery Electricity.
  13. 13. power generation control according to claim 12, which is characterized in that the acquisition module includes：
    First determination sub-module, for when receiving power generation mode switching signal, according to the power generation mode switching signal, really The fixed target power generation mode, wherein, the power generation mode switching signal is used to indicate the target power generation mode；
    Second determination sub-module, for when not receiving the power generation mode switching signal, specified power generation mode to be determined For the target power generation mode.
  14. 14. device according to claim 12, which is characterized in that the preset power generation conditions are：
    The target generated output is more than zero.
  15. 15. device according to claim 12, which is characterized in that described device further includes：
    Second receiving module, for receiving the first coolant that the engine controller is sent at engine start-up conditions Temperature signal, wherein, it is first cold to be used to indicate the engine controller water outlet for the first coolant temperature signal But liquid temperature；
    First control module is additionally operable to according to the first coolant temperature signal, control generator driven water pump startup and Start and stop and the rotating speed of generator heat-radiation device fan are controlled, wherein, the generator water pump, the generator, the generator control Device processed and the generator heat-radiation device connect to form the first generator by being full of the first coolant pipeline of the first coolant Cooling circuit, the generator heat-radiation device fan are set adjacent to the generator heat-radiation device, with to the generator heat-radiation device into Row cooling.
  16. 16. device according to claim 15, which is characterized in that described device further includes：
    Third receiving module, for receiving the oil temperature signal that the engine controller is sent at engine start-up conditions；
    First control module is additionally operable to, according to the oil temperature signal, control generator pump start, wherein, the generator Oil pump and the generator are cooled back by being full of the second coolant pipeline series connection of the second coolant with forming the second generator Road, the power generation lubricating oil pump is set adjacent to the generator, with for the second coolant in the second generator cooling circuit Flowing provides power.
  17. 17. device according to claim 15, which is characterized in that described device further includes：
    4th receiving module, for receiving the engine charge that the engine controller is sent at engine start-up conditions Mouth temperature signal；
    First control module is additionally operable to according to the engine intake temperature signal, the start and stop of cooling fan in control, In, the engine and the first engine radiator are connected by air-cooled pipeline to form the first engine cooling circuit, described Middle cooling fan is set adjacent to first engine radiator, to be cooled down to first engine radiator.
  18. A kind of 18. power generation control of range extender system for electric vehicle, which is characterized in that the range extender system packet Include power generation pilot controller, generator, engine controller, engine and engine controller, the engine controller with It is connected between power battery by distribution box, described device is applied to engine controller, and described device includes：
    5th receiving module, for receiving the target power generation mode of electric vehicle that power generation pilot controller is sent, the target Power generation mode is one in following pattern：Electric-only mode, mileage pattern and economic model；
    6th receiving module, for receiving the electric power detection signal of battery management system transmission, the electric power detection signal is used for Represent the remaining capacity of power battery；
    First determining module for the remaining capacity according to the target power generation mode and the power battery, determines that target is sent out Electrical power；
    Second sending module, for sending the target generated output to the power generation pilot controller；
    Pre-charge module, for after the preliminary filling contactor being connected between the distribution box and the power battery is attracted, leading to It is the power battery into line precharge to cross the distribution box；
    Second control module is started for after the completion of the precharge of the power battery, controlling described in the generator dragging Machine is to starting state；
    Second determining module, for according to the target generated output, determining the rotating speed of target of corresponding engine；
    Third sending module, for sending the rotating speed of target to the engine controller, with by the engine controller The engine operating is controlled according to the rotating speed of target.
  19. 19. device according to claim 18, which is characterized in that first determining module includes one of following：
    Third determination sub-module, in the case of in the target power generation mode for economic model or mileage pattern, when described When remaining capacity is greater than or equal to the first predetermined threshold value, determine that the target generated output is zero, wherein, it generates electricity in the target When power is zero, the range extender system is stopped；
    4th determination sub-module is small in the remaining capacity in the case of in the target power generation mode for economic model In the first predetermined threshold value and more than or equal to the second predetermined threshold value when, using the first generated output as the target generated output；
    5th determination sub-module is small in the remaining capacity in the case of in the target power generation mode for mileage pattern In the first predetermined threshold value and more than or equal to the second predetermined threshold value when, using the second generated output as the target generated output；
    6th determination sub-module for being economic model in the target power generation mode, is less than in the remaining capacity Second predetermined threshold value and during more than or equal to third predetermined threshold value, using third generated output as the target generated output, In, the third generated output is more than first generated output；
    7th determination sub-module under in the target power generation mode for mileage mode situation, is less than in the remaining capacity Second predetermined threshold value and during more than or equal to third predetermined threshold value, using the 4th generated output as the target generated output, In, the 4th generated output is more than second generated output；
    8th determination sub-module is small in the remaining capacity in the case of in the target power generation mode for economic model When third predetermined threshold value, using the 5th generated output as the target generated output, wherein, the 5th generated output is more than The third generated output；
    9th determination sub-module is small in the remaining capacity in the case of in the target power generation mode for mileage pattern When third predetermined threshold value, using the 6th generated output as the target generated output, wherein, the 6th generated output is more than 4th generated output.
  20. 20. device according to claim 19, which is characterized in that first determining module further include it is following at least One：
    Tenth determination sub-module, in the target power generation mode in the case of economic model, the engine according to The corresponding rotating speed of target of first generated output is operated and the remaining capacity becomes greater than or equal to the first intermediate threshold During value, determine that the target generated output is zero, wherein, first intermediate threshold is more than first predetermined threshold value；
    11st determination sub-module in the case of in the target power generation mode for mileage pattern, is pressed in the engine According to the corresponding rotating speed of target of second generated output operated and the remaining capacity become greater than or equal to first among During threshold value, determine that the target generated output is zero；
    12nd determination sub-module in the case of in the target power generation mode for economic model, is pressed in the engine According to the corresponding rotating speed of target of the third generated output operated and the remaining capacity become greater than or equal to second among During threshold value, using first generated output as the target generated output, wherein, second intermediate threshold is more than described the Two predetermined threshold values and less than first intermediate threshold；
    13rd determination sub-module in the case of in the target power generation mode for mileage pattern, is pressed in the engine According to the corresponding rotating speed of target of the 4th generated output operated and the remaining capacity become greater than or equal to second among During threshold value, using second generated output as the target generated output；
    14th determination sub-module in the case of in the target power generation mode for economic model, is pressed in the engine According to the corresponding rotating speed of target of the 5th generated output operated and the remaining capacity become greater than or equal to third among During threshold value, using the third generated output as the target generated output, wherein, the third intermediate threshold is more than described the Three predetermined threshold values and less than second intermediate threshold；
    15th determination sub-module in the case of in the target power generation mode for mileage pattern, is pressed in the engine According to the corresponding rotating speed of target of the 6th generated output operated and the remaining capacity become greater than or equal to third among During threshold value, using the 4th generated output as the target generated output.
  21. 21. device according to claim 20, which is characterized in that first determining module further includes：
    16th determination sub-module, in the case of in the target power generation mode for electric-only mode, in the remaining electricity When amount is greater than or equal to the third predetermined threshold value, determine that the target generated output is zero；
    17th determination sub-module, in the case of in the target power generation mode for electric-only mode, in the remaining electricity When amount is less than the third predetermined threshold value, the target power generation mode is switched into the economic model, and the described 5th is sent out Electrical power is as the target generated output.
  22. 22. device according to claim 21, which is characterized in that first determining module further includes：
    Switching submodule, in the target power generation mode after electric-only mode switches to economic model, when the residue When electricity becomes greater than the third intermediate threshold, the power generation mode is switched into the electric-only mode.
  23. 23. a kind of range extender system for electric vehicle, which is characterized in that the range extender system includes：
    Generate electricity pilot controller, and the power generation pilot controller includes being used for according to any one of claim 12-17 The power generation control of the range extender system of electric vehicle；
    Engine controller is electrically connected with the power generation pilot controller, and the engine controller is included according to claim The power generation control of the range extender system for electric vehicle described in any one of 18-22；
    Engine controller starts mechatronics, and be electrically connected with the power generation pilot controller with described；
    Engine is electrically connected with the engine controller, for working under the control of the engine controller；
    Generator is connect with the engine controller, and is rigidly connected with the engine, in the band of the engine It operates to complete the charging to power battery under dynamic.
  24. 24. a kind of electric vehicle, which is characterized in that including range extender system and drive system, wherein, the range extender system is The range extender system stated according to claim 23, the drive system are used to drive the electric automobile during traveling.
CN201611249735.3A 2016-12-29 2016-12-29 Electricity-generating control method, device, range extender system and electric vehicle Pending CN108248397A (en)

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