CN108340784A - 汽车 - Google Patents
汽车 Download PDFInfo
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- CN108340784A CN108340784A CN201810027046.0A CN201810027046A CN108340784A CN 108340784 A CN108340784 A CN 108340784A CN 201810027046 A CN201810027046 A CN 201810027046A CN 108340784 A CN108340784 A CN 108340784A
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- converter
- motor
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- fault diagnosis
- automobile
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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
- B60L3/00—Electric devices on electrically-propelled vehicles for safety purposes; Monitoring operating variables, e.g. speed, deceleration or energy consumption
- B60L3/0023—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train
- B60L3/003—Detecting, eliminating, remedying or compensating for drive train abnormalities, e.g. failures within the drive train relating to inverters
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- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/44—Series-parallel type
- B60K6/445—Differential gearing distribution type
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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
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/007—Physical arrangements or structures of drive train converters specially adapted for the propulsion motors of electric vehicles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L15/00—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles
- B60L15/20—Methods, circuits, or devices for controlling the traction-motor speed of electrically-propelled vehicles for control of the vehicle or its driving motor to achieve a desired performance, e.g. speed, torque, programmed variation of speed
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/15—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines with additional electric power supply
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60W—CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION; CONTROL SYSTEMS SPECIALLY ADAPTED FOR HYBRID VEHICLES; ROAD VEHICLE DRIVE CONTROL SYSTEMS FOR PURPOSES NOT RELATED TO THE CONTROL OF A PARTICULAR SUB-UNIT
- B60W20/00—Control systems specially adapted for hybrid vehicles
- B60W20/50—Control strategies for responding to system failures, e.g. for fault diagnosis, failsafe operation or limp mode
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P27/00—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage
- H02P27/04—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage
- H02P27/06—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters
- H02P27/08—Arrangements or methods for the control of AC motors characterised by the kind of supply voltage using variable-frequency supply voltage, e.g. inverter or converter supply voltage using DC to AC converters or inverters with pulse width modulation
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P29/00—Arrangements for regulating or controlling electric motors, appropriate for both AC and DC motors
- H02P29/02—Providing protection against overload without automatic interruption of supply
- H02P29/024—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load
- H02P29/0241—Detecting a fault condition, e.g. short circuit, locked rotor, open circuit or loss of load the fault being an overvoltage
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/04—Arrangements for controlling or regulating the speed or torque of more than one motor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P6/00—Arrangements for controlling synchronous motors or other dynamo-electric motors using electronic commutation dependent on the rotor position; Electronic commutators therefor
- H02P6/12—Monitoring commutation; Providing indication of commutation failure
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- 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
- B60K6/00—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines
- B60K6/20—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/42—Arrangement or mounting of plural diverse prime-movers for mutual or common propulsion, e.g. hybrid propulsion systems comprising electric motors and internal combustion engines the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by the architecture of the hybrid electric vehicle
- B60K6/46—Series type
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
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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
- B60L2210/00—Converter types
- B60L2210/10—DC to DC converters
- B60L2210/14—Boost converters
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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
- B60L2210/00—Converter types
- B60L2210/40—DC to AC converters
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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
- B60L2220/00—Electrical machine types; Structures or applications thereof
- B60L2220/40—Electrical machine applications
- B60L2220/42—Electrical machine applications with use of more than one motor
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/42—Drive Train control parameters related to electric machines
- B60L2240/423—Torque
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/40—Drive Train control parameters
- B60L2240/52—Drive Train control parameters related to converters
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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
- B60L2240/00—Control parameters of input or output; Target parameters
- B60L2240/80—Time limits
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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
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/10—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines
- B60L50/13—Electric propulsion with power supplied within the vehicle using propulsion power supplied by engine-driven generators, e.g. generators driven by combustion engines using AC generators and AC motors
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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
- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
- H02P2201/00—Indexing scheme relating to controlling arrangements characterised by the converter used
- H02P2201/09—Boost converter, i.e. DC-DC step up converter increasing the voltage between the supply and the inverter driving the motor
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
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- 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
- Y02T10/72—Electric energy management in electromobility
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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
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S903/00—Hybrid electric vehicles, HEVS
- Y10S903/902—Prime movers comprising electrical and internal combustion motors
- Y10S903/903—Prime movers comprising electrical and internal combustion motors having energy storing means, e.g. battery, capacitor
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- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Energy (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Automation & Control Theory (AREA)
- Biomedical Technology (AREA)
- Combustion & Propulsion (AREA)
- Chemical & Material Sciences (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
本发明提供一种汽车,具备:电动机,对行驶用的动力进行输入输出;变换器,对电动机进行驱动;蓄电装置,与电动机进行电力的授受;系统主继电器,进行蓄电装置向变换器侧的电力线的连接或连接的解除;以及控制装置,在系统接通时按照规定的步骤将系统主继电器接通而使车辆为可行驶状态。并且,从系统被接通之后到将系统主继电器接通以后的规定时刻为止产生了变换器的异常信号时,不实施变换器的故障诊断,在规定时刻以后产生了变换器的异常信号时,实施故障诊断。
Description
技术领域
本发明涉及汽车,详细而言,涉及具备变换器的汽车,该变换器用于驱动对行驶用的动力进行输入输出的电动机。
背景技术
以往,作为这种汽车,提出了如下结构:具备发动机、两个电动发电机和对两个电动发电机进行驱动的两个变换器,对构成变换器的开关元件的故障进行判定(例如,参照专利文献1)。电动机控制装置判断是否在多相臂中的1相中发生了上臂或下臂的短路故障,基于该判断来进行将多相臂的上臂或下臂同时控制为接通状态的多相同时接通控制。
现有技术文献
专利文献
专利文献1:日本特开2010-68689号公报
发明内容
发明要解决的课题
通常,变换器的故障诊断是为了在变换器中检测到某些异常信号(例如过电流信号、过电压信号等)时确定变换器的故障而进行的。在变换器的故障诊断中,进行是否3相的任一相中未发生短路故障,或者是否3相的任一相中未发生开路故障等,此时对电动机、发电机的驱动控制施加限制的情况较多。在刚将系统接通之后,有时因噪声等而检测到变换器的异常信号,但是若针对这样的变换器的异常信号实施故障诊断,则会因为系统未达到能够稳定地进行行驶的状态而产生无法恰当地进行故障诊断的情况。
并且,作为对行驶用的电动机进行驱动的变换器,提出了如下结构:通过为了使较大的电流流动而同时接通断开的并联连接的两个以上的开关元件来构成变换器,并且具备为了高效地驱动电动机而将来自蓄电池的电力升压并向变换器供给的升压转换器。在并联连接的两个以上的开关元件中的一个开关元件发生开路故障时,也会检测到由过电流等引起的异常信号,但是若在刚将系统接通之后通过发电机使发动机起动的模式时基于异常信号来实施故障诊断,则会产生因为对电动机或发电机的驱动控制施加限制而基于升压转换器进行的电压控制失败的情况。
本发明的汽车的主要目的在于更恰当地实施变换器的故障诊断。
用于解决课题的手段
本发明的汽车为了达成上述的主要目的而采用了以下的手段。
本发明的汽车具备:
电动机,对行驶用的动力进行输入输出;
变换器,对所述电动机进行驱动;
蓄电装置,与所述电动机进行电力的授受;
系统主继电器,进行所述蓄电装置向所述变换器侧的电力线的连接或连接的解除;以及
控制装置,在系统接通时按照规定的步骤将所述系统主继电器接通而使车辆成为可行驶状态,
所述汽车的特征在于,
从系统接通到将所述系统主继电器接通以后的规定时刻为止产生了所述变换器的异常信号时,所述控制装置不实施所述变换器的故障诊断,在所述规定时刻以后产生了所述变换器的异常信号时,所述控制装置实施所述故障诊断。
在该本发明的汽车中,在系统被接通时按照规定的步骤将系统主继电器接通而使车辆成为可行驶状态。从系统被接通到将系统主继电器接通以后的规定时刻为止产生了变换器的异常信号时,不实施变换器的故障诊断,在规定时刻以后产生了变换器的异常信号时,实施故障诊断。由此,能够抑制以由噪声等引起的异常信号为基础的故障诊断的实施。在此,规定的步骤包括例如与变换器的正极母线和负极母线连接的平滑电容器的预充电等。规定时刻可以是允许变换器的开关之时。这是因为允许变换器的开关为止的异常信号可认为由噪声等引起。其结果是,能够更恰当地进行变换器的故障诊断。
在本发明的汽车中,可以的是,在所述蓄电装置与所述变换器之间具备将来自所述蓄电装置的电力升压并向所述变换器供给的升压转换器,所述规定时刻是所述升压转换器的控制被允许之时。这是因为在无法允许升压转换器的控制时,大多情况下无法恰当地进行故障诊断。
在本发明的汽车中,可以的是,所述汽车具备:发动机;发电机,使用来自所述发动机的动力进行发电;以及发电机用变换器,对所述发电机进行驱动,所述变换器是使用同时接通断开的并联连接的两个以上的开关元件而构成的电动机用变换器,所述蓄电装置能够与所述发电机进行电力的授受,到所述规定时刻为止产生了所述电动机用变换器或所述发电机用变换器的异常信号时,所述控制装置不实施所述电动机用变换器及所述发电机用变换器的故障诊断,在所述规定时刻以后产生了所述电动机用变换器或所述发电机用变换器的异常信号时,所述控制装置实施所述故障诊断,所述故障诊断包括所述电动机用变换器的并联连接的两个以上的开关元件中的一个开关元件是否处于开路故障状态的诊断。如此,在电动机用变换器的任一相的一个开关元件处于发生开路故障时,也能够更恰当地进行故障诊断。
在该情况下,可以的是,所述控制装置在通过所述故障诊断而诊断为所述电动机用变换器和所述发电机用变换器中的任一方处于发生故障状态以后产生了所述电动机用变换器或所述发电机用变换器的异常信号时,不实施所述故障诊断。这是因为已经通过故障诊断确定了故障,所以不需要进一步的故障诊断。
附图说明
图1是表示作为本发明的一实施例的混合动力汽车20的结构的概略的结构图。
图2是表示包括电动机MG1、MG2的电气系统的结构的概略的结构图。
图3是表示由HVECU70执行的故障诊断处理例程的一例的流程图。
图4是表示执行实施例的异常诊断处理例程时的系统主继电器55和变换器41、42的开关的允许状态、基于升压转换器56进行的升压控制的允许状态、故障诊断的实施等的时间变化的一例的说明图。
图5是表示变形例的混合动力汽车120的结构的概略的结构图。
图6是表示变形例的混合动力汽车220的结构的概略的结构图。
具体实施方式
接着,使用实施例来说明用于实施本发明的方式。图1是表示作为本发明的一实施例的混合动力汽车20的结构的概略的结构图。实施例的混合动力汽车20如图示那样具备发动机22、发动机用电子控制单元(以下称为发动机ECU)24、行星齿轮30、电动机MG1、电动机MG2、变换器41、42、电动机用电子控制单元(以下称为电动机ECU)40、蓄电池50、蓄电池用电子控制单元(以下称为蓄电池ECU)52、升压转换器56以及混合动力用电子控制单元(以下称为HVECU)70。
发动机22构成为以通常的汽油、轻油等为燃料来输出动力的内燃机,通过发动机ECU24进行驱动控制。虽然未图示,但是发动机ECU24构成为以CPU为中心的微处理器,除了CPU以外,还具备存储处理程序的ROM、暂时存储数据的RAM、输入输出端口、通信端口。经由输入端口向发动机ECU24输入来自对发动机22的运转状态进行检测的各种传感器的信号,例如来自对曲轴26的旋转位置进行检测的曲轴位置传感器的曲轴位置θcr、来自对发动机22的冷却水的温度进行检测的水温传感器的冷却水温Twe、来自安装于进气管的空气流量计的吸入空气量Qa、来自安装于进气管的温度传感器的进气温度Ta等。从发动机ECU24经由输出端口输出用于对发动机22进行驱动的各种控制信号,例如向燃料喷射阀的驱动信号、向对节流阀的位置进行调节的节流阀电动机的驱动信号、向与点火器一体化的点火线圈的控制信号等。并且,发动机ECU24与HVECU70通信,根据来自HVECU70的控制信号来对发动机22进行运转控制,并且根据需要将与发动机22的运转状态有关的数据向HVECU70输出。需要说明的是,发动机ECU24基于来自安装于曲轴26的未图示的曲轴位置传感器的信号来运算曲轴26的转速即发动机22的转速Ne。
行星齿轮30构成为单小齿轮式的行星齿轮机构。在行星齿轮30的太阳轮、齿圈、行星轮架上分别连接有电动机MG1的转子、经由差动齿轮37与驱动轮38a、38b连结的驱动轴36、发动机22的曲轴26。
电动机MG1构成为具备埋入有永久磁铁的转子和供三相线圈卷绕的定子的众所周知的同步发电电动机,如上述那样转子与行星齿轮30的太阳轮连接。电动机MG2与电动机MG1一样构成为同步发电电动机,转子与驱动轴36连接。通过电动机ECU40对变换器41、42进行控制,由此对电动机MG1、MG2进行驱动。变换器41、42通过电力线(以下称为驱动电压系统电力线。)54a与升压转换器56连接,该升压转换器56连接于将蓄电池50和系统主继电器55连接的电力线(以下称为电池电压系统电力线。)54b。如图2所示,变换器41由六个晶体管T11~T16和沿反方向与晶体管T11~T16并联连接的六个二极管D11~D16构成。晶体管T11~T16以分别相对于驱动电压系统电力线54a的正极母线和负极母线处于源极侧和漏极侧的方式成对地各配置两个,在成对的晶体管彼此的连接点上分别连接有电动机MG1的三相线圈(U相、V相、W相)的各相。因此,通过调节在电压作用于变换器41的状态下成对的晶体管T11~T16的接通时间的比例,能够在三相线圈中形成旋转磁场,能够驱动电动机MG1旋转。如图2所示,变换器42由并联连接的六对晶体管T21a、T21b、T22a、T22b、T23a、T23b、T24a、T24b、T25a、T25b、T26a、T26b和沿反方向与晶体管T21a、T21b~T26a、T26b并联连接的12个二极管D21a、D21b~D26a、D26b构成。关于六对晶体管T21a、T21b~T26a、T26b,两对晶体管以分别相对于驱动电压系统电力线54a的正极母线和负极母线处于源极侧和漏极侧的方式串联地配置,在两对晶体管的连接点上分别连接有电动机MG2的三相线圈(U相、V相、W相)的各相。因此,通过调节在电压作用于变换器42的状态下源极侧的成对的晶体管(晶体管T21a、T21b~T23a、T23b)和漏极侧的成对的晶体管(晶体管T24a、T24b~T26a、T26b)的接通时间的比例,能够在三相线圈中形成旋转磁场,能够驱动电动机MG2旋转。需要说明的是,成对的晶体管T21a、T21b~T26a、T26b同时接通断开。变换器41、42共用驱动电压系统电力线54a的正极母线和负极母线,因此能够将由电动机MG1、MG2中的任一方发电的电力向其他电动机供给。
如图2所示,升压转换器56构成为包含两个晶体管T51、T52、沿反方向与晶体管T51、T52并联连接的两个二极管D51、D52、电抗器L的升压转换器。两个晶体管T51、T52分别与驱动电压系统电力线54a的正极母线、驱动电压系统电力线54a及电池电压系统电力线54b的负极母线连接,电抗器L与晶体管T51、T52的连接点和电池电压系统电力线54b的正极母线连接。因此,通过对晶体管T51、T52进行接通断开,能够将电池电压系统电力线54b的电力升压并向驱动电压系统电力线54a供给,或者将驱动电压系统电力线54a的电力降压并向电池电压系统电力线54b供给。
在驱动电压系统电力线54a上并联地连接有平滑用的平滑电容器57和放电用的放电电阻58。并且,在电池电压系统电力线54b的蓄电池50的输出端子侧安装有由正极侧继电器SB、负极侧继电器SG、预充电用继电器SP和预充电用电阻RP构成的系统主继电器55,而且在电池电压系统电力线54b的升压转换器56侧连接有平滑用的滤波电容器59。
虽然未图示,但是电动机ECU40构成为以CPU为中心的微处理器,除了CPU以外,还具备存储处理程序的ROM、暂时存储数据的RAM、输入输出端口、通信端口。经由输入端口向电动机ECU40输入为了对电动机MG1、MG2进行驱动控制而需要的信号,例如来自对电动机MG1、MG2的转子的旋转位置进行检测的旋转位置检测传感器43、44的旋转位置θm1、θm2、由未图示的电流传感器检测的向电动机MG1、MG2施加的相电流等。并且,还向电动机ECU40输入来自在平滑电容器57的端子间安装的电压传感器57a的平滑电容器57的电压(驱动电压系统电力线54a的电压。以下称为驱动电压系统电压。)VH、来自在滤波电容器59的端子间安装的电压传感器59a的滤波电容器59的电压(电池电压系统电力线54b的电压。以下称为电池电压系统电压)VL等。从电动机ECU40经由输出端口输出用于对变换器41、42、升压转换器56进行驱动的控制信号,例如向变换器41、42的晶体管T11~T16、T21~T26的开关控制信号、向升压转换器56的晶体管T51、T52的开关控制信号等。并且,电动机ECU40与HVECU70通信,根据来自HVECU70的控制信号来对电动机MG1、MG2进行驱动控制,并且根据需要将与电动机MG1、MG2的运转状态有关的数据向HVECU70输出。需要说明的是,电动机ECU40基于来自旋转位置检测传感器43、44的电动机MG1、MG2的转子的旋转位置θm1、θm2来运算电动机MG1、MG2的转速Nm1、Nm2。
蓄电池50构成为例如锂离子二次电池,经由变换器41、42与电动机MG1、MG2授受电力。虽然未图示,但是对蓄电池50进行管理的蓄电池ECU52构成为以CPU为中心的微处理器,除了CPU以外,还具备存储处理程序的ROM、暂时存储数据的RAM、输入输出端口、通信端口。经由输入端口向蓄电池ECU52输入对蓄电池50进行管理所需要的信号,例如来自在蓄电池50的端子间设置的电压传感器51a的电池电压Vb、来自在与蓄电池50的输出端子连接的电力线上安装的电流传感器51b的电池电流Ib、来自安装于蓄电池50的未图示的温度传感器的电池温度Tb等。并且,蓄电池ECU52与HVECU70通信,根据需要将与蓄电池50的状态有关的数据通过通信向HVECU70发送。为了对蓄电池50进行管理,蓄电池ECU52基于由电流传感器检测到的充放电电流Ib的累计值来运算从此时的蓄电池50能够放电的电力的容量相对于总容量的比例即蓄电比例SOC,或者基于运算出的蓄电比例SOC和电池温度Tb来运算可以对蓄电池50进行充放电的最大容许电力即输入输出限制Win、Wout。
虽然未图示,但是HVECU70构成为以CPU为中心的微处理器,除了CPU以外,还具备存储处理程序的ROM、暂时存储数据的RAM、输入输出端口、通信端口。经由输入端口向HVECU70输入驱动控制等所需要的各种信号,例如来自点火开关80的点火信号、来自车速传感器88的车速V等。并且,还向HVECU70输入来自对换档杆81的操作位置进行检测的档位传感器82的档位SP、来自对加速器踏板83的踏入量进行检测的加速器踏板位置传感器84的加速器开度Acc、来自对制动器踏板85的踏入量进行检测的制动器踏板位置传感器86的制动器踏板位置BP等。从HVECU70经由输出端口输出向系统主继电器55的驱动信号等控制信号。如前述那样,HVECU70经由通信端口与发动机ECU24、电动机ECU40、蓄电池ECU52连接,与发动机ECU24、电动机ECU40、蓄电池ECU52进行各种控制信号和数据的授受。
在这样构成的实施例的混合动力汽车20中,以混合动力行驶(HV行驶)模式、电动行驶(EV行驶)模式来行驶。在此,HV行驶模式是使发动机22运转并伴着发动机22的运转来行驶的模式,EV行驶模式是不伴着发动机22的运转而行驶的模式。
接着,说明实施例的混合动力汽车20的动作,尤其是基于变换器41、42的异常信号来进行故障诊断时的动作。图3是表示由HVECU70执行的故障诊断处理例程的一例的流程图。
执行故障诊断处理例程时,HVECU70首先判定是否由操作者将点火开关80接通(步骤S100)。在点火开关80未接通时,等待至接通为止。在判定为点火开关80接通时,判定是否变换器41、42的门切断被解除而允许晶体管T11~T16、T21a、T21b~T26a、T26b的开关(步骤S110)。变换器41、42的开关的允许通过如下方式来进行:点火开关80被接通,正极侧继电器SB和预充电用继电器SP被接通而对滤波电容器59、平滑电容器57进行预充电,负极侧继电器SG被接通并且将预充电用继电器SP断开,成为准备就绪状态(可行驶状态),变换器41、42的门切断被解除。在未允许变换器41、42的开关时,返回步骤S100。
在步骤S110中判定为允许变换器41、42的开关时,判定是否允许基于升压转换器56进行的升压控制(步骤S120)。在例如判定出对在电抗器L中流动的电流进行检测的未图示的电流传感器和电压传感器57a、59a等为正常以及在晶体管T51、T52中未发生故障时,基于升压转换器56进行的升压控制被允许。在判定为不允许基于升压转换器56进行的升压控制时,返回步骤S100。
在步骤S120中判定为允许基于升压转换器56进行的升压控制时,使在变换器41、42中可能产生的此后的失效信号(异常信号)有效(步骤S130)。因此,在将点火开关80接通之后直到变换器41、42的开关被允许且基于升压转换器56进行的升压控制被允许为止,即使检测到变换器41、42的失效信号(异常信号)也判断为无效。由此,能够有效地应对因噪声等而检测到变换器41、42的失效信号的情况。能够避免如下的不良情况:例如由于变换器42的晶体管T21a、T21b~T26a、T26b中的一个晶体管发生开路故障,在准备就绪的同时使发动机22起动的情况下,因该发动机22的起动和故障诊断同时进行而产生的不良情况、例如基于升压转换器56进行的驱动电压系统电力线54a的电压控制失败这样的不良情况、或误诊断为在变换器41中发生了故障的不良情况等。在此,作为变换器41、42的失效信号,在过电流在变换器41、42的任一相中流动、或者过电流在驱动电压系统电力线54a中流动、或者平滑电容器57成为过电压时输出。
接着,判定是否检测到变换器41、42的失效信号(步骤S140),在未检测到变换器41、42的失效信号时,等待至检测到失效信号为止。在检测到变换器41、42的失效信号时,进行变换器41、42的故障诊断(步骤S150)。在故障诊断中,判定在变换器41、42的任一方的晶体管T11~T16、T21a、T21b~T26a、T26b中的一个晶体管中是否发生接通故障、是否发生开路故障等。故障诊断根据故障的形式而施加电动机MG1、MG2的转矩限制、变换器41、42的开关的限制等来进行。在通过故障诊断未判定出故障时(步骤S160),返回步骤S140。在通过故障诊断而判定出故障时,使在变换器41、42中可能产生的此后的失效信号(异常信号)无效(步骤S170)。这是因为在发生故障时,根据故障部位来进行退避行驶控制,因此可认为此后的故障诊断不需要。
图4是表示执行实施例的异常诊断处理例程时的系统主继电器55和变换器41、42的开关的允许状态、基于升压转换器56进行的升压控制的允许状态、故障诊断的实施等的时间变化的一例的说明图。若在时间T1将点火开关80接通,在时间T2将系统主继电器55接通并允许变换器41、42的开关,在时间T3允许基于升压转换器56进行的升压控制,则使时间T3以后的变换器41、42的失效信号有效。因此,从时间T1至时间T3为止即使检测到变换器41、42的失效信号也设为有效,因此不实施故障诊断。在时间T4检测到变换器41、42的失效信号时,伴随于该失效信号的检测而执行变换器41、42的故障诊断。在故障诊断结束的时间T5,实施与故障对应的退避行驶控制,并且此后即使检测到变换器41、42的失效信号也设为无效。因此,即使在之后的时间T6检测到变换器41、42的失效信号也设为无效,不实施与该失效信号相伴的故障诊断。
在以上说明的实施例的混合动力汽车20中,在将点火开关80接通并允许变换器41、42的开关、进而允许基于升压转换器56进行的升压控制为止检测到变换器41、42的失效信号时,不实施变换器41、42的故障诊断。由此,能够避免进行以因噪声等而检测到变换器41、42的失效信号为起因的故障诊断的实施。并且,在允许基于升压转换器56进行的升压控制以后检测到变换器41、42的失效信号时,实施变换器41、42的故障诊断。由此,能够对变换器41、42的故障进行判定。其结果是,能够更恰当地进行变换器41、42的故障诊断。
在实施例的混合动力汽车20中,形成为在与驱动轮38a、38b连结的驱动轴36上经由行星齿轮30连接发动机22及电动机MG1并且在驱动轴36上连接电动机MG2的结构。但是,也可以如图5的变形例的混合动力汽车120所示的那样形成为在与驱动轮38a、38b连结的驱动轴36上经由变速器130连接电动机MG并且在电动机MG的旋转轴上经由离合器129连接发动机22的结构。并且,也可以如图6的变形例的混合动力汽车220所示的那样形成为在与驱动轮38a、38b连结的驱动轴36上连接行驶用的电动机MG2并且在发动机22的输出轴上连接发电用电动机MG1的所谓串联式混合动力汽车的结构。
在实施例的混合动力汽车20中,具备升压转换器56,但是也可以形成为不具备升压转换器56的结构。在该情况下,只要删除图3的故障诊断处理例程的步骤S120即可。并且,在实施例的混合动力汽车20中,在电池电压系统电力线54b上连接了蓄电池50,但是也可以用电容器取代蓄电池50。
实施例中,在混合动力汽车20中应用了本发明,但是只要是具备对行驶用的动力进行输入输出的电动机、对电动机进行驱动的变换器、与电动机进行电力的授受的蓄电装置、系统主继电器和在系统接通时按照规定的步骤将系统主继电器接通并使车辆为可行驶状态的控制装置的车辆即可,可以应用于任何结构的车辆,例如不具备发动机的电动汽车等。
说明实施例的主要的要素与用于解决课题的手段一栏中记载的发明的主要的要素之间的对应关系。实施例中,电动机MG1或电动机MG2相当于“电动机”,变换器41、42相当于“变换器”,蓄电池50相当于“蓄电装置”,系统主继电器55相当于“系统主继电器”,HVECU70、电动机ECU40、发动机ECU24和蓄电池ECU52中主要HVECU70相当于“控制装置”。
需要说明的是,实施例的主要的要素与用于解决课题的手段一栏中记载的发明的主要的要素之间的对应关系是具体地说明用于实施例实施用于解决课题的手段一栏中记载的发明的方式的一例,因此并不限定用于解决课题的手段一栏中记载的发明的要素。即,关于用于解决课题的手段一栏中记载的发明的解释应基于该栏的记载来进行,实施例只不过是用于解决课题的手段一栏中记载的发明的具体性的一例。
以上,使用实施例来说明了用于实施本发明的方式,但是本发明并不受这样的实施例任何限定,在不脱离本发明的主旨的范围内能够以各种方式实施,这是不言而喻的。
工业上的可利用性
本发明能够利用于汽车的制造产业等。
Claims (5)
1.一种汽车,具备:
电动机,对行驶用的动力进行输入输出;
变换器,对所述电动机进行驱动;
蓄电装置,与所述电动机进行电力的授受;
系统主继电器,进行所述蓄电装置向所述变换器侧的电力线的连接或连接的解除;以及
控制装置,在系统接通时按照规定的步骤将所述系统主继电器接通而使车辆成为可行驶状态,
所述汽车的特征在于,
从系统被接通到将所述系统主继电器接通以后的规定时刻为止产生了所述变换器的异常信号时,所述控制装置不实施所述变换器的故障诊断,所述控制装置在所述规定时刻以后产生了所述变换器的异常信号时,实施所述故障诊断。
2.根据权利要求1所述的汽车,其中,
所述规定时刻是允许所述变换器的开关之时。
3.根据权利要求1所述的汽车,其中,
在所述蓄电装置与所述变换器之间具备将来自所述蓄电装置的电力升压并向所述变换器供给的升压转换器,
所述规定时刻是所述升压转换器的控制被允许之时。
4.根据权利要求1~3中任一项所述的汽车,其中,
所述汽车具备:
发动机;
发电机,使用来自所述发动机的动力进行发电;以及
发电机用变换器,对所述发电机进行驱动,
所述变换器是使用同时接通断开的并联连接的两个以上的开关元件而构成的电动机用变换器,
所述蓄电装置能够与所述发电机进行电力的授受,
到所述规定时刻为止产生了所述电动机用变换器或所述发电机用变换器的异常信号时,所述控制装置不实施所述电动机用变换器及所述发电机用变换器的故障诊断,在所述规定时刻以后产生了所述电动机用变换器或所述发电机用变换器的异常信号时,所述控制装置实施所述故障诊断,
所述故障诊断包括所述电动机用变换器的并联连接的两个以上的开关元件中的一个开关元件是否处于开路故障状态的诊断。
5.根据权利要求4所述的汽车,其中,
所述控制装置在通过所述故障诊断而诊断为所述电动机用变换器和所述发电机用变换器中的任一方处于发生故障状态以后产生了所述电动机用变换器或所述发电机用变换器的异常信号时,不实施所述故障诊断。
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| JP6708562B2 (ja) | 2020-06-10 |
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