CN205365586U - Range extender stop control system of range extender electric automobile - Google Patents
Range extender stop control system of range extender electric automobile Download PDFInfo
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- CN205365586U CN205365586U CN201521130206.2U CN201521130206U CN205365586U CN 205365586 U CN205365586 U CN 205365586U CN 201521130206 U CN201521130206 U CN 201521130206U CN 205365586 U CN205365586 U CN 205365586U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
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Abstract
The utility model discloses a range extender stop control system of range extender electric automobile, wherein the system includes whole vehicle control unit VCU, engine control unit EMS, generator control unit GCU, range extender control unit APU, generator and engine, wherein, APU obtains the current operating mode of range extender; the APU judges whether the highest fault level in the fed back faults of the VCU, the EMS and the GCU is less than the fault level of the allowable operation of the range extender; and if the fault level is less than the allowable operation fault level of the range extender, the APU controls the range extender according to the current working condition of the range extender. The system can ensure the safety of the whole vehicle, prolong the service life of a part system and improve the driving experience.
Description
Technical field
This utility model relates to automobile technical field, particularly relates to the distance increasing unit shutdown control system of a kind of stroke-increasing electric automobile.
Background technology
The shutdown of generating set can be divided into orderly closedown and disorderly closedown; it is at reasonable time that the shutdown of general generating set controls function; GCU (GeneratorControlUnit; generator control unit) control the processes such as generating set shutdown, unloading; but this shutdown controls not to be point-to-point control; namely do not judge that further shutting down control processes for concrete operating mode; also without setting forth that concrete uninstall process and the self-operating state for cluster engine judge whether it exists situation about can not shut down, particularly the shutdown of journey device controls.
Utility model content
The purpose of this utility model is intended to solve at least to a certain extent one of above-mentioned technical problem.
For this, first purpose of the present utility model is in that to propose the distance increasing unit shutdown control system of a kind of stroke-increasing electric automobile, and this system can improve the service life of parts system while ensureing car load safety and improve driving experience.
For reaching above-mentioned purpose, this utility model first aspect embodiment proposes the distance increasing unit shutdown control system of a kind of stroke-increasing electric automobile, including full-vehicle control unit VCU, control unit of engine EMS, generator control unit GCU, distance increasing unit control unit APU, electromotor and electromotor, wherein, described APU, for obtaining the current working of distance increasing unit, and at described VCU, when the highest fault rank in the fault fed back of described EMS and described GCU can allow, less than described distance increasing unit, the fault rank run, described distance increasing unit is controlled by the current working according to described distance increasing unit.
The distance increasing unit shutdown control system of the stroke-increasing electric automobile according to this utility model embodiment, APU judges VCU, whether the highest fault rank in the fault of EMS and GCU feedback can allow the fault rank run less than journey device, when allowing, less than journey device, the fault rank run, journey device is controlled by APU according to the current working obtaining journey device, the method is under the premise ensureing car load safety, consider electromotor and the current running status of electromotor, select suitable halt control method and the opportunity of shutdown, improve the service life of parts system, improve driving experience.
In an embodiment of the present utility model, described APU, it is additionally operable to be not less than the fault rank that described distance increasing unit can allow to run, and when described distance increasing unit is not at shutting down operating mode, lays down the moment of torsion of electromotor and control the shutdown of described engine misses.
nullIn an embodiment of the present utility model，The current working of described distance increasing unit is for shutting down operating mode，Described APU receives the startup distance increasing unit request of described VCU，And remain shut off state when receiving shutdown request or emergency shutdown request，And when not receiving shutdown request or emergency shutdown request，Judge that whether the current rotating speed of electromotor is less than first threshold，And whether electromotor current torque is less than Second Threshold，And at the current rotating speed of electromotor more than or equal to described first threshold，And/or，When electromotor current torque is more than or equal to described Second Threshold，Remain shut off state，And at the current rotating speed of electromotor less than first threshold，And electromotor current torque less than Second Threshold time，Determine whether whether described electromotor is in holding state，And when described electromotor is in holding state，And the described engine start frequency of failure less than three threshold values time control described distance increasing unit and start，And when the described engine start frequency of failure is more than or equal to described three threshold value，Distance increasing unit failure message is fed back to described VCU，And keep described electromotor and electromotor to be in stopped status.
nullIn an embodiment of the present utility model，The current working of described distance increasing unit is APU described in state of starting operating when judging that stopped status retention time of described distance increasing unit is less than or equal to described four threshold value，Remain shut off state，And when judging that stopped status retention time of described distance increasing unit is more than four threshold values，Whether the direction of rotation judging described electromotor is forward direction，And when the direction of rotation of described electromotor is not described forward direction，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And when the direction of rotation of described electromotor is forward direction，Judge whether to receive shutdown request or emergency shutdown request，And when receiving shutdown request or emergency shutdown request，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And when not receiving shutdown request or emergency shutdown request，Judge whether the starting time of described distance increasing unit allows threshold value less than the starting time，And when the starting time of described distance increasing unit allows threshold value more than or equal to the described starting time，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And described distance increasing unit starting time less than the starting time allow threshold value time described distance increasing unit start successfully，And control described distance increasing unit and carry out idling operation.
nullIn an embodiment of the present utility model，The current working of described distance increasing unit is idling operation，Described APU judges whether the direction of rotation of described electromotor is forward direction，And when not being described forward direction，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And when the direction of rotation of described electromotor is forward direction，Judge whether described VCU sends emergency shutdown request，And when described VCU sends the request of described emergency shutdown，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And do not send emergency shutdown request at described VCU，And judge when described VCU does not send shutdown request，Continue to control described distance increasing unit to run with idling operation，And send described shutdown request at described VCU，And described electromotor forbid shutting down flag bit invalid time，Described APU lays down the moment of torsion of electromotor and controls the shutdown of described engine misses，Or，Send described shutdown at described VCU to ask，And electromotor forbid shut down flag bit effective，And timing time more than five threshold values time，Described APU lays down the moment of torsion of electromotor and controls the shutdown of described engine misses.
nullIn an embodiment of the present utility model，The current working of described distance increasing unit is that APU described in generating operation mode judges whether the direction of rotation of described electromotor is forward direction，And whether the rotating speed of described electromotor is more than the 6th threshold value，And be not described forward direction in the direction of rotation of described electromotor，And/or，When the rotating speed of described electromotor is less than or equal to described six threshold value，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And be forward direction in the direction of rotation of described electromotor，And the rotating speed of described electromotor more than six threshold values time，Judge whether described VCU sends emergency shutdown request，And when described VCU sends the request of described emergency shutdown，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And do not send the request of described emergency shutdown at described VCU，And described APU generated output asks more than the 7th threshold value，And described VCU does not send described when shutting down request，Described APU continues to control described distance increasing unit and runs with generating operation mode.
In an embodiment of the present utility model, the distance increasing unit shutdown control system of described stroke-increasing electric automobile, ask less than or equal to described 7th threshold value at described generated output, and/or, when described VCU sends described shutdown request, described APU controls described electromotor and carries out moment of torsion unloading according to predetermined gradient, and send standby command when the moment of torsion of described electromotor is less than eight threshold values to described electromotor, and described electromotor is switched to holding state, and send idling instruction to described electromotor, and when the rotating speed of described electromotor is less than nine threshold values, described electromotor switches to the shutdown under idling operation control.
Aspect and advantage that this utility model is additional will part provide in the following description, and part will become apparent from the description below, or is recognized by the time of the present utility model.
Accompanying drawing explanation
This utility model above-mentioned and/or that add aspect and advantage will be apparent from easy to understand from the following description of the accompanying drawings of embodiments, wherein,
Fig. 1 is the flow chart of the journey device halt control method of the stroke-increasing electric automobile according to one embodiment of this utility model；
Fig. 2 is the current working of the journey device according to one embodiment of this utility model be shut down operating mode time, journey device halt control method flow chart；
Fig. 3 is the current working of the journey device according to one embodiment of this utility model when being state of starting operating, the flow chart of distance increasing unit halt control method；
Fig. 4 is the current working of the journey device according to one embodiment of this utility model when being idling operation, the flow chart of distance increasing unit halt control method；
Fig. 5 is the current working of the journey device according to one embodiment of this utility model when being generating operation mode, the flow chart of distance increasing unit halt control method；
Fig. 6 is the structural representation of the distance increasing unit shutdown control system of the stroke-increasing electric automobile according to one embodiment of this utility model.
Detailed description of the invention
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has the element of same or like function from start to finish.The embodiment described below with reference to accompanying drawing is illustrative of, it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.
Below with reference to the accompanying drawings journey device halt control method and the system of the stroke-increasing electric automobile of this utility model embodiment are described.
Fig. 1 is the flow chart of the journey device halt control method of the stroke-increasing electric automobile according to one embodiment of this utility model.It should be noted that the journey device halt control method of this utility model embodiment can be applicable to stroke-increasing electric automobile.This stroke-increasing electric automobile may include but be not limited to full-vehicle control unit VCU, control unit of engine EMS, generator control unit GCU, distance increasing unit control unit APU, electromotor and electromotor etc..
As it is shown in figure 1, the journey device halt control method of this stroke-increasing electric automobile may include that
S11, APU obtain the current working of distance increasing unit.Wherein, the current working of journey device includes but not limited to as shutting down operating mode, state of starting operating, idling operation and generating operation mode etc..
S12, APU judge that whether the highest fault rank in the fault fed back of VCU, EMS and GCU can allow the fault rank run less than distance increasing unit.
It should be noted that, in embodiment of the present utility model, full-vehicle control unit VCU can pass through CAN network (ControllerAreaNetwork, controller local area network) carry out that information is mutual with distance increasing unit control unit APU and feedback of status and control, such as, all faults except the fault message of generator control unit GCU and control unit of engine EMS can be integrated by VCU according to the fault diagnosis module of self, issue APU, and obtain journey device start-stop according to current whole vehicle state and operator demand, the demand of generating issues APU.
Distance increasing unit control unit APU can receive the control instruction from VCU, and judge through inherent logic and process, and is decomposed into the control signal issuing control unit of engine EMS and generator control unit GCU, and these control signals is sent by CAN network.
Generator control unit GCU can receive the control instruction of APU, this control instruction can include status command, rotary speed instruction, torque command and peak torque restriction instruction, electromotor can receive the instruction of generator control unit GCU and carry out corresponding actions, and engine block current state fed back by sensor, thus the running status of current generator can be fed back to APU by generator control unit GCU.
Control unit of engine EMS can receive the control instruction of APU; this control instruction can include status command, rotary speed instruction, torque command and starting and shut down control command; electromotor receives the instruction of control unit of engine EMS and carries out corresponding actions; and engine body current state fed back by sensor, thus the running status of present engine is fed back to APU by control unit of engine EMS.
It is to say, APU can receive the relevant information that VCU, EMS and GCU feed back, for instance, VCU feedback journey device start-stop, generating demand；The running status of the present engine of EMS feedback；The running status etc. of the current generator of GCU feedback.APU can carry out integration according to VCU, EMS and GCU institute feedack and judge to determine whether VCU, EMS and GCU have fault message, when there being fault, determine the rank of this fault, and judge that whether the highest fault rank in the fault fed back of VCU, EMS and GCU can allow the fault rank run less than distance increasing unit.
It should be noted that; in an embodiment of the present utility model; if APU judges that the highest fault rank in the fault fed back of VCU, EMS and GCU is not less than the fault rank that distance increasing unit can allow to run; and distance increasing unit be not at shut down operating mode time, then APU lay down electromotor moment of torsion and control engine misses shut down.That is; when VCU, EMS and GCU the fault fed back in the highest fault rank be not less than distance increasing unit can allow run fault rank; and distance increasing unit is when being not at shutting down operating mode, APU lays down the emergency shutdown action that generator torque and order engine misses are shut down at once.
S13, can allow the fault rank run if less than distance increasing unit, then distance increasing unit is controlled by APU according to the current working of distance increasing unit.
Specifically, when VCU, EMS and GCU the fault fed back in the highest fault rank can allow, less than distance increasing unit, the fault rank run time, distance increasing unit can be carried out corresponding different control according to the current working of distance increasing unit by APU.It is to say, when distance increasing unit is in different operating modes, APU also can be different to the control of distance increasing unit, and the concrete process that realizes controlled can refer to the description of subsequent embodiment.
The distance increasing unit halt control method of the stroke-increasing electric automobile according to this utility model embodiment, APU judges VCU, whether the highest fault rank in the fault of EMS and GCU feedback can allow the fault rank run less than journey device, when allowing, less than journey device, the fault rank run, journey device is controlled by APU according to the current working obtaining journey device, the method is under the premise ensureing car load safety, consider electromotor and the current running status of electromotor, select suitable halt control method and the opportunity of shutdown, improve the service life of parts system, improve driving experience.
So that those skilled in the art can clearly understand this utility model journey device halt control method implement process, below in conjunction with Fig. 2 to Fig. 5, the different operating modes for journey device are described respectively.
Fig. 2 is the current working of the journey device according to one embodiment of this utility model be shut down operating mode time, journey device halt control method flow chart; as shown in Figure 2; the current working of distance increasing unit is for shutting down operating mode, and the process that implements that distance increasing unit is controlled by APU according to the current working of distance increasing unit can comprise the steps:
S201, APU receive the startup distance increasing unit request of VCU.
S202, APU judge whether to receive shutdown request or emergency shutdown request.
It is appreciated that whether detection VCU has shutdown request and emergency shutdown request while receiving VCU startup journey device request, as such, it is possible to prevent the order of VCU from sending out by mistake, it is ensured that have start request when not having any shutdown to ask.
S203, if receiving shutdown request or emergency shutdown request, then remains shut off state.
S204, if not receiving shutdown request or emergency shutdown request, then APU judges that whether the current rotating speed of electromotor is less than first threshold, and whether electromotor current torque is less than Second Threshold.
S205, if the current rotating speed of electromotor is more than or equal to first threshold, and/or, electromotor current torque more than or equal to Second Threshold, then remains shut off state.
S206, if the current rotating speed of electromotor is less than first threshold, and electromotor current torque is less than Second Threshold, then APU determines whether whether electromotor is in holding state.
It is appreciated that; by receiving the signal feedback of EMS; and the current state according to electromotor is holding state; and the rotating speed of simultaneously electromotor is less than certain threshold value (such as first threshold); and the moment of torsion of simultaneously electromotor is less than certain threshold value (such as Second Threshold); comprehensively may determine that electromotor is under dead halt state; just can carry out next step to judge; otherwise remain shut off operating mode; this decision logic is to ensure that the complete original steady-state of electromotor; avoid the occurrence of electromotor also not come to a complete stop situation about once more starting, it is ensured that the safety and stability of electromotor starts.
When judging that electromotor is under dead halt state; can pass through to receive the signal feedback of GCU; and the current state according to electromotor is holding state; and the rotating speed of simultaneously electromotor is little and certain threshold value; and the moment of torsion of simultaneously electromotor is little and certain threshold value; comprehensive descision is that electromotor is under dead halt state; can be carried out next step judge; otherwise remain shut off operating mode; this decision logic is to ensure that the complete original steady-state of electromotor; avoid the occurrence of electromotor also not come to a complete stop situation about once more starting, it is ensured that the safety and stability of electromotor starts.
S207, if electromotor is in holding state, then APU judges that whether the engine start frequency of failure is less than the 3rd threshold value.
S208, if the engine start frequency of failure is less than the 3rd threshold value, then APU controls distance increasing unit startup.
S209, if the engine start frequency of failure is more than or equal to the 3rd threshold value, then APU feeds back distance increasing unit failure message to VCU, and keeps electromotor and electromotor to be in stopped status.
It is to say, when the engine start frequency of failure is more than or equal to three threshold values, APU feeds back journey device starting failure to VCU and keeps electromotor and generator outage state, forbids again carrying out journey device starting, until re-powering.
Method in sum, when the current working of distance increasing unit is for shutting down operating mode, distance increasing unit is controlled by APU according to the shutdown operating mode of distance increasing unit.Achieving the current working at distance increasing unit is shut down under operating mode; guarantee that electromotor and electromotor are under dead halt state; can be carried out next step judge; ensure the complete original steady-state of electromotor and electromotor; avoid and occur that electromotor and electromotor also do not come to a complete stop situation about once more starting, it is ensured that the safety and stability of electromotor and electromotor starts.
Fig. 3 is the current working of the journey device according to one embodiment of this utility model when being state of starting operating, the flow chart of distance increasing unit halt control method; as shown in Figure 3; the current working of distance increasing unit is state of starting operating, and the process that implements that distance increasing unit is controlled by APU according to the current working of distance increasing unit comprises the steps that
S301, APU judge that whether the stopped status retention time of distance increasing unit is more than the 4th threshold value.
Wherein, whether more than the judgement of fourth threshold value be to better ensure that electromotor and electromotor at prestart be completely in holding state, improve the service life of parts if carrying out the stopped status retention time.
S302, if less than or equal to the 4th threshold value, then remain shut off state.
S303, if greater than the 4th threshold value, then APU judges whether the direction of rotation of electromotor is forward direction.
Specifically, APU can receive the electromotor direction of rotation signal of GCU feedback, to judge that whether electromotor is for forward direction.Thus, can ensure that electromotor can not reverse when oil spout is lighted a fire operation, otherwise can damage electromotor by the judgement of the forward direction of electromotor.
S304, if the direction of rotation of electromotor is not forward direction, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
S305, if the direction of rotation of electromotor is forward direction, then APU judges whether to receive shutdown request or emergency shutdown request.
S306, if receiving shutdown request or emergency shutdown request, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
S307, if not receiving shutdown request or emergency shutdown request, then institute APU judges whether the starting time of distance increasing unit allows threshold value less than the starting time.
Specifically, when APU is not received by any shutdown request, APU can determine whether whether the starting time of distance increasing unit allows threshold value less than the starting time.In embodiment of the present utility model, when APU receives shutdown request, APU will lay down generator torque and the emergency shutdown action of order engine misses shutdown at once.
S308, if the starting time of distance increasing unit allows threshold value more than or equal to the starting time, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
S309, if the starting time of distance increasing unit allows threshold value less than the starting time, then judges that distance increasing unit starts successfully, and controls distance increasing unit and carry out idling operation.
In journey device starting process; starting time timing is set; timing start time is that electromotor starts dragging and starts; timing finish time is that EMS feeds back engine start Success Flag position; when the starting time of distance increasing unit allows threshold value less than the starting time; APU enters distance increasing unit and starts successfully, and controls distance increasing unit and carry out idling operation, and otherwise APU will lay down generator torque and the emergency shutdown action of order engine misses shutdown at once.
Method in sum, when the current working of distance increasing unit is state of starting operating, distance increasing unit is controlled by APU according to the state of starting operating of distance increasing unit.Achieving the current working at distance increasing unit is under state of starting operating; by assuring that the stopped status retention time of distance increasing unit is more than certain threshold value; can better ensure that electromotor and electromotor are completely in holding state at prestart; improve the service life of parts; and; by assuring that the direction of rotation of electromotor is forward direction, it is ensured that electromotor can not reverse when oil spout is lighted a fire operation, otherwise can damage electromotor.
Fig. 4 is the current working of the journey device according to one embodiment of this utility model when being idling operation, the flow chart of distance increasing unit halt control method; as shown in Figure 4; the current working of distance increasing unit is idling operation, and the process that implements that distance increasing unit is controlled by APU according to the current working of distance increasing unit comprises the steps that
S401, APU judge whether the direction of rotation of electromotor is forward direction.
It should be noted that in embodiment of the present utility model, when APU judges the direction of rotation of electromotor not as forward direction, APU will lay down generator torque and the emergency shutdown action of order engine misses shutdown at once.
S402, if the direction of rotation of electromotor is not forward direction, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
S403, if the direction of rotation of electromotor is forward direction, then APU judges whether VCU sends emergency shutdown request.
S404, if VCU sends emergency shutdown request, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
S405, if VCU does not send emergency shutdown request, then APU judges whether VCU sends shutdown request.
S406, if described VCU does not send described shutdown and asks, then APU continues to control distance increasing unit with idling operation operation.
It is to say, when APU judges that VCU does not send emergency shutdown request, APU can control distance increasing unit and run with the control strategy of current working.
S407, if VCU does not send emergency shutdown request, then APU judges that electromotor forbids that whether shutdown flag bit is effective.
Specifically, when APU receives the VCU emergency shutdown sent request, APU can EMS feedack at any time, when this information comprise electromotor forbid shutting down flag bit time, APU can start simultaneously at and carry out timing, and whether judge that electromotor forbids shutting down flag bit effective.It is appreciated that APU is when judging that electromotor forbids that shutdown flag bit is invalid, illustrates that EMS detects that electromotor current state allows to shut down；APU, when judging that electromotor forbids that shutdown flag bit is effective, illustrates that EMS detects that electromotor current state does not allow to shut down.
S408, if shutdown forbidden by electromotor, flag bit is invalid, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
S409, if electromotor is forbidden shutting down flag bit effectively, then judges that whether timing time is less than the 5th threshold value.
Specifically; when APU judges that electromotor forbids that shutdown flag bit is effective; can determine whether whether timing time exceedes certain threshold value (i.e. the 5th threshold value); without exceeding; then APU continues detection electromotor and forbids shutting down flag bit, until electromotor is forbidden shutting down, flag bit is invalid or time-out carries out shutdown action again
S410, if greater than the 5th threshold value, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
Method in sum, when the current working of distance increasing unit is idling operation, distance increasing unit is controlled by APU according to the idling operation of distance increasing unit.Achieving the current working at distance increasing unit is under idling operation; the control strategy keeping current working runs; and when detecting that electromotor forbids that shutdown flag bit is invalid or overtime; APU lays down the moment of torsion of electromotor at once and controls engine misses shutdown; consider electromotor and the current running status of electromotor; select suitable shutdown opportunity, improve the service life of parts system, improve driving experience.
Fig. 5 is the current working of the journey device according to one embodiment of this utility model when being generating operation mode, the flow chart of distance increasing unit halt control method; as shown in Figure 5; the current working of distance increasing unit is generating operation mode, and the process that implements that distance increasing unit is controlled by APU according to the current working of distance increasing unit comprises the steps that
S501, APU judge whether the direction of rotation of electromotor is forward direction, and whether the rotating speed of electromotor is more than the 6th threshold value.
S502, if the direction of rotation of electromotor is not forward direction, and/or, the rotating speed of electromotor is less than or equal to the 6th threshold value, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
In embodiment of the present utility model, when electromotor does not run for rotating forward, or when the rotating speed of electromotor is not more than six threshold values, APU will lay down generator torque and the emergency shutdown action of order engine misses shutdown at once.It is appreciated that the judgement by generator speed is to ensure that electromotor also has during torque command before having reversal trend and can shut down in time, it is ensured that electromotor can not reverse when oil spout is lighted a fire operation, otherwise can damage electromotor.
S503, if the direction of rotation of electromotor is forward direction, and the rotating speed of electromotor is more than the 6th threshold value, then APU judges whether VCU sends emergency shutdown request.
Specifically; receive electromotor direction of rotation signal and the current tach signal of electromotor of GCU feedback; carry out electromotor forward direction to judge and generator speed threshold decision; when electromotor is that rotating forward runs and the current rotating speed of electromotor is more than certain threshold value simultaneously, APU judges whether VCU sends emergency shutdown request.
S504, if VCU sends emergency shutdown request, then APU lays down the moment of torsion of electromotor and controls engine misses shutdown.
S505, if VCU does not send emergency shutdown request, then APU determines whether whether generated output request is more than whether the 7th threshold value and VCU send shutdown request.
It should be noted that in embodiment of the present utility model, when VCU sends emergency shutdown request, APU will lay down generator torque and the emergency shutdown action of order engine misses shutdown at once.
S506, if generated output request does not send shutdown request more than the 7th threshold value and VCU, then APU continuation control distance increasing unit runs with generating operation mode.
For example, when only not shutting down request and generated output request more than 0kW (i.e. the 7th threshold value), APU continues to control distance increasing unit and runs with generating operation mode.
S507, if generated output is asked less than or equal to the 7th threshold value, and/or, VCU sends the request of shutdown, then control electromotor and carry out moment of torsion unloading according to predetermined gradient.
When APU judges generated output request less than or equal to seven threshold values, illustrate that this moment has required that journey device is shut down, but owing to electromotor also has moment of torsion control, now first allow electromotor carry out moment of torsion Unloading Control according to certain gradient.While being appreciated that gradient is disposed to ensure electromotor and generator speed stability contorting, lay down load smoothly for electromotor.
S508, it is judged that whether the moment of torsion of electromotor is less than the 8th threshold value.
It should be noted that in embodiment of the present utility model, when judging that the moment of torsion of electromotor is more than or equal to eight threshold values, the sustainable action dropping moment of torsion according to gradient carrying out electromotor of APU.
S509, if less than the 8th threshold value, then sends standby command to electromotor, and electromotor is switched to holding state.
When judging that the moment of torsion of current generator is less than certain threshold value, it is believed that the moment of torsion of electromotor is steadily laid down, and namely electromotor is non-loaded, now can send standby command to electromotor, and electromotor is switched to holding state.Thus, it can be ensured that electromotor is completely standby.
S5010, sends idling instruction to electromotor.
Specifically, APU can send idling order to electromotor, carries out electromotor, the rotating speed of electromotor drops, it is ensured that the rotating speed of electromotor and electromotor is entered slow-speed of revolution running status by high rotating speed.
S5011, it is judged that whether the rotating speed of electromotor is less than the 9th threshold value.
S5012, if less than the 9th threshold value, then switches to electromotor the shutdown under idling operation and controls.
Specifically, when judging that the rotating speed of electromotor is less than nine threshold values, electromotor can be switched to the shutdown under idling operation and control, control under logical AND idling mode identical, and lay down generator torque at once, and order engine misses are shut down.
Thus, by the rotating speed of electromotor is controlled below the 9th threshold value, it can be ensured that now carry out electromotor and shut down the safest, efficiently.
Method in sum, when the current working of distance increasing unit is generating operation mode, distance increasing unit is controlled by APU according to the generating operation mode of distance increasing unit.Achieving the current working at distance increasing unit is under generating operation mode; emergency shutdown request is not sent at VCU; and APU judges when generated output is asked less than or equal to seven threshold values; control electromotor and carry out moment of torsion unloading according to predetermined gradient, it is ensured that electromotor and while generator speed stability contorting, lay down load for electromotor smoothly; and carry out shutting down in the process controlled to electromotor; the rotating speed of electromotor is controlled below certain threshold value, it is ensured that now carry out electromotor and shut down the safest, efficiently.
Corresponding with the distance increasing unit halt control method of the stroke-increasing electric automobile that above-mentioned several embodiments provide, a kind of embodiment of the present utility model also provides for the distance increasing unit shutdown control system of a kind of stroke-increasing electric automobile, owing to the distance increasing unit shutdown control system of the stroke-increasing electric automobile of this utility model embodiment offer is corresponding with the distance increasing unit halt control method of the stroke-increasing electric automobile that above-mentioned several embodiments provide, therefore the distance increasing unit shutdown control system of the stroke-increasing electric automobile that the present embodiment provides it is also applied at the embodiment of the distance increasing unit halt control method of aforementioned stroke-increasing electric automobile, it is not described in detail in the present embodiment.Fig. 6 is the structural representation of the distance increasing unit shutdown control system of the stroke-increasing electric automobile according to one embodiment of this utility model.As shown in Figure 6, this system can include stroke-increasing electric automobile and include full-vehicle control unit VCU10, control unit of engine EMS20, generator control unit GCU30, distance increasing unit control unit APU40, electromotor 50 and electromotor 60.
Wherein, distance increasing unit control unit APU40 is for obtaining the current working of distance increasing unit, and the highest fault rank in the fault fed back of full-vehicle control unit VCU10, control unit of engine EMS20 and generator control unit GCU30 less than distance increasing unit can allow run fault rank time, according to the current working of distance increasing unit, distance increasing unit is controlled.
Alternatively, in an embodiment of the present utility model, APU40 is additionally operable to be not less than the fault rank that distance increasing unit can allow to run, and when distance increasing unit is not at shutting down operating mode, lays down the moment of torsion of electromotor 50 and control the flame-out shutdown of electromotor 60.
nullIn an embodiment of the present utility model，The current working of distance increasing unit is for shutting down operating mode，APU40 receives the startup distance increasing unit request of VCU10，And remain shut off state when receiving shutdown request or emergency shutdown request，And judge that whether the current rotating speed of electromotor 60 is less than first threshold when not receiving shutdown request or emergency shutdown request，And whether electromotor 60 current torque is less than Second Threshold，And at the current rotating speed of electromotor 60 more than or equal to first threshold，And/or，When electromotor 60 current torque is more than or equal to Second Threshold，Remain shut off state，And，And the current rotating speed of electromotor 60 is less than first threshold，And electromotor 60 current torque less than Second Threshold time，Determine whether whether electromotor 50 is in holding state，And when electromotor 50 is in holding state，And electromotor 60 starting failure number of times less than three threshold values time control distance increasing unit start，And when electromotor 60 starting failure number of times is more than or equal to three threshold values，Distance increasing unit failure message is fed back to VCU10，And keep electromotor 60 and electromotor 50 to be in stopped status.
Thus; achieving the current working at distance increasing unit is shut down under operating mode; guarantee that electromotor and electromotor are under dead halt state; can be carried out next step judge; ensure the complete original steady-state of electromotor and electromotor; avoid and occur that electromotor and electromotor also do not come to a complete stop situation about once more starting, it is ensured that the safety and stability of electromotor and electromotor starts.
nullIn an embodiment of the present utility model，The current working of distance increasing unit is state of starting operating，APU40 is when judging that stopped status retention time of distance increasing unit is less than or equal to four threshold values，Remain shut off state，And when judging that stopped status retention time of distance increasing unit is more than four threshold values，Whether the direction of rotation judging electromotor 50 is forward direction，And when the direction of rotation of electromotor 50 is not forward direction，Lay down the moment of torsion of electromotor 50 and control the flame-out shutdown of electromotor 60，And when the direction of rotation of electromotor 50 is forward direction，Judge whether to receive shutdown request or emergency shutdown request，And when receiving shutdown request or emergency shutdown request，Lay down the moment of torsion of electromotor 50 and control the flame-out shutdown of electromotor 60，And when not receiving shutdown request or emergency shutdown request，Judge whether the starting time of distance increasing unit allows threshold value less than the starting time，And when the starting time of distance increasing unit allows threshold value more than or equal to the starting time，Lay down the moment of torsion of electromotor 50 and control the flame-out shutdown of electromotor 60，And when the starting time of distance increasing unit allows threshold value less than the starting time，APU40 judges that distance increasing unit starts successfully，And control distance increasing unit and carry out idling operation.
Thus; achieving the current working at distance increasing unit is under state of starting operating; by assuring that the stopped status retention time of distance increasing unit is more than certain threshold value; can better ensure that electromotor and electromotor are completely in holding state at prestart; improve the service life of parts, and, by assuring that the direction of rotation of electromotor is forward direction; ensure that electromotor can not reverse when oil spout is lighted a fire operation, otherwise can damage electromotor.
nullIn an embodiment of the present utility model，The current working of distance increasing unit is that idling operation APU40 judges whether the direction of rotation of electromotor 50 is forward direction，And when not being forward direction，Lay down the moment of torsion of electromotor 50 and control the flame-out shutdown of electromotor 60，And when the direction of rotation of electromotor 50 is forward direction，Judge whether VCU10 sends emergency shutdown request，And when VCU10 sends emergency shutdown request，Lay down the moment of torsion of electromotor 50 and control the flame-out shutdown of electromotor 60，And do not send emergency shutdown request at VCU10，And judge when described VCU does not send shutdown request，Continue to control described distance increasing unit to run with idling operation，And send described shutdown request at described VCU，And described electromotor forbid shutting down flag bit invalid time，Described APU lays down the moment of torsion of electromotor and controls the shutdown of described engine misses，Or，Send described shutdown at described VCU to ask，And electromotor 60 forbid shut down flag bit effective，And timing time more than five threshold values time，APU40 lays down the moment of torsion of electromotor 50 and controls the flame-out shutdown of electromotor 60.
Thus; achieving the current working at distance increasing unit is under idling operation; the control strategy keeping current working runs; and when detecting that electromotor forbids that shutdown flag bit is invalid or overtime; APU lays down the moment of torsion of electromotor at once and controls engine misses and shut down, it is contemplated that electromotor and the current running status of electromotor, selects suitable shutdown opportunity; improve the service life of parts system, improve driving experience.
nullIn an embodiment of the present utility model，The current working of distance increasing unit is that generating operation mode APU40 judges whether the direction of rotation of electromotor 50 is forward direction，And whether the rotating speed of electromotor 50 is more than the 6th threshold value，And be not forward direction in the direction of rotation of electromotor 50，And/or，When the rotating speed of electromotor is less than or equal to six threshold values，Lay down the moment of torsion of electromotor 50 and control the flame-out shutdown of electromotor 60，And the direction of rotation of electromotor 50 is forward direction，And the rotating speed of electromotor 50 more than six threshold values time，Judge whether VCU10 sends emergency shutdown request，And when VCU10 sends emergency shutdown request，Lay down the moment of torsion of electromotor 50 and control the flame-out shutdown of electromotor 60，And do not send emergency shutdown request and the request of APU40 generated output more than the 7th threshold value at VCU10，And VCU10 do not send described shut down request time，APU40 continues to control distance increasing unit and runs with generating operation mode.
In embodiment of the present utility model; ask less than or equal to the 7th threshold value at generated output; and/or; VCU10 sends when shutting down request; APU40 controls electromotor 50 and carries out moment of torsion unloading according to predetermined gradient; and send standby command when the moment of torsion of electromotor 50 is less than eight threshold values to electromotor 50; and electromotor 50 is switched to holding state; and send idling instruction to electromotor 60; and when the rotating speed of electromotor 60 is less than nine threshold values, electromotor 60 is switched to the shutdown under idling operation and controls.
Thus; achieving the current working at distance increasing unit is under generating operation mode; emergency shutdown request is not sent at VCU; and APU judges when generated output is asked less than or equal to seven threshold values; control electromotor and carry out moment of torsion unloading according to predetermined gradient; while ensureing electromotor and generator speed stability contorting; load is laid down smoothly for electromotor; and carry out shutting down in the process controlled to electromotor; the rotating speed of electromotor is controlled below certain threshold value; ensure that now carrying out electromotor shuts down the safest, efficiently.
The distance increasing unit shutdown control system of the stroke-increasing electric automobile according to this utility model embodiment, APU judges VCU, whether the highest fault rank in the fault of EMS and GCU feedback can allow the fault rank run less than journey device, when allowing, less than journey device, the fault rank run, journey device is controlled by APU according to the current working obtaining journey device, the method is under the premise ensureing car load safety, consider electromotor and the current running status of electromotor, select suitable halt control method and the opportunity of shutdown, improve the service life of parts system, improve driving experience.
In description of the present utility model, it is to be understood that term " first ", " second " only for descriptive purposes, and it is not intended that instruction or hint relative importance or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can express or implicitly include at least one this feature.
In the description of this specification, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means in conjunction with this embodiment or example describe are contained at least one embodiment of the present utility model or example.In this manual, the schematic representation of above-mentioned term is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature can combine in one or more embodiments in office or example in an appropriate manner.Additionally, when not conflicting, the feature of the different embodiments described in this specification or example and different embodiment or example can be carried out combining and combining by those skilled in the art.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is illustrative of, it is not intended that to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by those of ordinary skill in the art.
Claims (7)
1. the distance increasing unit shutdown control system of a stroke-increasing electric automobile, it is characterised in that include full-vehicle control unit VCU, control unit of engine EMS, generator control unit GCU, distance increasing unit control unit APU, electromotor and electromotor, wherein,
Described APU, for obtaining the current working of distance increasing unit, and the highest fault rank in the fault fed back of described VCU, described EMS and described GCU less than described distance increasing unit can allow run fault rank time, according to the current working of described distance increasing unit, described distance increasing unit is controlled.
2. the distance increasing unit shutdown control system of stroke-increasing electric automobile as claimed in claim 1; it is characterized in that; described APU; it is additionally operable to be not less than the fault rank that described distance increasing unit can allow to run; and described distance increasing unit is when being not at shutting down operating mode, lays down the moment of torsion of electromotor and control described engine misses and shut down.
null3. the distance increasing unit shutdown control system of stroke-increasing electric automobile as claimed in claim 1，It is characterized in that，The current working of described distance increasing unit is for shutting down operating mode，Described APU receives the startup distance increasing unit request of described VCU，And remain shut off state when receiving shutdown request or emergency shutdown request，And when not receiving shutdown request or emergency shutdown request，Judge that whether the current rotating speed of electromotor is less than first threshold，And whether electromotor current torque is less than Second Threshold，And at the current rotating speed of electromotor more than or equal to described first threshold，And/or，When electromotor current torque is more than or equal to described Second Threshold，Remain shut off state，And at the current rotating speed of electromotor less than first threshold，And electromotor current torque less than Second Threshold time，Determine whether whether described electromotor is in holding state，And when described electromotor is in holding state，And the described engine start frequency of failure less than three threshold values time control described distance increasing unit and start，And when the described engine start frequency of failure is more than or equal to described three threshold value，Distance increasing unit failure message is fed back to described VCU，And keep described electromotor and electromotor to be in stopped status.
null4. the distance increasing unit shutdown control system of stroke-increasing electric automobile as claimed in claim 1，It is characterized in that，The current working of described distance increasing unit is state of starting operating，Described APU is when judging that stopped status retention time of described distance increasing unit is less than or equal to described four threshold value，Remain shut off state，And when judging that stopped status retention time of described distance increasing unit is more than four threshold values，Whether the direction of rotation judging described electromotor is forward direction，And when the direction of rotation of described electromotor is not described forward direction，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And when the direction of rotation of described electromotor is forward direction，Judge whether to receive shutdown request or emergency shutdown request，And when receiving shutdown request or emergency shutdown request，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And when not receiving shutdown request or emergency shutdown request，Judge whether the starting time of described distance increasing unit allows threshold value less than the starting time，And when the starting time of described distance increasing unit allows threshold value more than or equal to the described starting time，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And described distance increasing unit starting time less than the starting time allow threshold value time described distance increasing unit start successfully，And control described distance increasing unit and carry out idling operation.
null5. the distance increasing unit shutdown control system of stroke-increasing electric automobile as claimed in claim 1，It is characterized in that，The current working of described distance increasing unit is idling operation，Described APU judges whether the direction of rotation of described electromotor is forward direction，And when not being described forward direction，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And when the direction of rotation of described electromotor is forward direction，Judge whether described VCU sends emergency shutdown request，And when described VCU sends the request of described emergency shutdown，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And do not send emergency shutdown request at described VCU，And judge when described VCU does not send shutdown request，Continue to control described distance increasing unit to run with idling operation，And send described shutdown request at described VCU，And described electromotor forbid shutting down flag bit invalid time，Described APU lays down the moment of torsion of electromotor and controls the shutdown of described engine misses，Or，Send described shutdown at described VCU to ask，And electromotor forbid shut down flag bit effective，And timing time more than five threshold values time，Described APU lays down the moment of torsion of electromotor and controls the shutdown of described engine misses.
null6. the distance increasing unit shutdown control system of stroke-increasing electric automobile as claimed in claim 1，It is characterized in that，The current working of described distance increasing unit is generating operation mode，Described APU judges whether the direction of rotation of described electromotor is forward direction，And whether the rotating speed of described electromotor is more than the 6th threshold value，And be not described forward direction in the direction of rotation of described electromotor，And/or，When the rotating speed of described electromotor is less than or equal to described six threshold value，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And be forward direction in the direction of rotation of described electromotor，And the rotating speed of described electromotor more than six threshold values time，Judge whether described VCU sends emergency shutdown request，And when described VCU sends the request of described emergency shutdown，Lay down the moment of torsion of electromotor and control the shutdown of described engine misses，And do not send the request of described emergency shutdown at described VCU，And described APU generated output asks more than the 7th threshold value，And described VCU does not send described when shutting down request，Continue to control described distance increasing unit to run with generating operation mode.
7. the distance increasing unit shutdown control system of stroke-increasing electric automobile as claimed in claim 6, it is characterized in that, ask less than or equal to described 7th threshold value at described generated output, and/or, when described VCU sends described shutdown request, described APU controls described electromotor and carries out moment of torsion unloading according to predetermined gradient, and send standby command when the moment of torsion of described electromotor is less than eight threshold values to described electromotor, and described electromotor is switched to holding state, and send idling instruction to described electromotor, and when the rotating speed of described electromotor is less than nine threshold values, described electromotor switches to the shutdown under idling operation control.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130206.2U CN205365586U (en) | 2015-12-30 | 2015-12-30 | Range extender stop control system of range extender electric automobile |
| PCT/CN2016/103622 WO2017113968A1 (en) | 2015-12-30 | 2016-10-27 | Range extender stop control method and system for extended-range electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521130206.2U CN205365586U (en) | 2015-12-30 | 2015-12-30 | Range extender stop control system of range extender electric automobile |
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| CN205365586U true CN205365586U (en) | 2016-07-06 |
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| CN201521130206.2U Withdrawn - After Issue CN205365586U (en) | 2015-12-30 | 2015-12-30 | Range extender stop control system of range extender electric automobile |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105539421A (en) * | 2015-12-30 | 2016-05-04 | 北京新能源汽车股份有限公司 | Range extender stop control method and system of range extender electric vehicle |
| WO2017113968A1 (en) * | 2015-12-30 | 2017-07-06 | 北京新能源汽车股份有限公司 | Range extender stop control method and system for extended-range electric vehicle |
| CN108153286A (en) * | 2017-12-28 | 2018-06-12 | 浙江吉利新能源商用车有限公司 | Method for diagnosing faults, device and follower diagnostic system |
| CN111765011A (en) * | 2020-06-10 | 2020-10-13 | 东风汽车集团有限公司 | A method of idle speed control after engine parts failure |
| CN112092798A (en) * | 2020-08-28 | 2020-12-18 | 广西玉柴机器股份有限公司 | Reverse protection control system and method for range extender |
| CN113581162A (en) * | 2021-08-23 | 2021-11-02 | 一汽解放汽车有限公司 | Rotating speed control method of range-extended electric automobile |
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2015
- 2015-12-30 CN CN201521130206.2U patent/CN205365586U/en not_active Withdrawn - After Issue
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105539421A (en) * | 2015-12-30 | 2016-05-04 | 北京新能源汽车股份有限公司 | Range extender stop control method and system of range extender electric vehicle |
| WO2017113968A1 (en) * | 2015-12-30 | 2017-07-06 | 北京新能源汽车股份有限公司 | Range extender stop control method and system for extended-range electric vehicle |
| CN108153286A (en) * | 2017-12-28 | 2018-06-12 | 浙江吉利新能源商用车有限公司 | Method for diagnosing faults, device and follower diagnostic system |
| CN111765011A (en) * | 2020-06-10 | 2020-10-13 | 东风汽车集团有限公司 | A method of idle speed control after engine parts failure |
| CN112092798A (en) * | 2020-08-28 | 2020-12-18 | 广西玉柴机器股份有限公司 | Reverse protection control system and method for range extender |
| WO2022041546A1 (en) * | 2020-08-28 | 2022-03-03 | 广西玉柴机器股份有限公司 | Range extender reverse rotation protection control system and method |
| CN112092798B (en) * | 2020-08-28 | 2023-08-08 | 广西玉柴机器股份有限公司 | Range extender reverse rotation protection control system and range extender reverse rotation protection control method |
| CN113581162A (en) * | 2021-08-23 | 2021-11-02 | 一汽解放汽车有限公司 | Rotating speed control method of range-extended electric automobile |
| CN113581162B (en) * | 2021-08-23 | 2023-10-17 | 一汽解放汽车有限公司 | Rotating speed control method of extended range electric automobile |
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