CN102171425B - 冷却系统 - Google Patents
冷却系统 Download PDFInfo
- Publication number
- CN102171425B CN102171425B CN201080003627.2A CN201080003627A CN102171425B CN 102171425 B CN102171425 B CN 102171425B CN 201080003627 A CN201080003627 A CN 201080003627A CN 102171425 B CN102171425 B CN 102171425B
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- CN
- China
- Prior art keywords
- motor
- cooling unit
- cooling
- temperature
- cooling system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title claims abstract description 203
- 239000000659 freezing mixture Substances 0.000 claims description 56
- 238000002485 combustion reaction Methods 0.000 claims description 20
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 3
- 239000000446 fuel Substances 0.000 description 9
- 239000002826 coolant Substances 0.000 description 7
- 230000003068 static effect Effects 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 239000004215 Carbon black (E152) Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 229930195733 hydrocarbon Natural products 0.000 description 2
- 150000002430 hydrocarbons Chemical class 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 239000004411 aluminium Substances 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002372 labelling Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Classifications
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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
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
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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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 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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- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/06—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of combustion engines
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- B60W10/04—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units
- B60W10/08—Conjoint control of vehicle sub-units of different type or different function including control of propulsion units including control of electric propulsion units, e.g. motors or generators
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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
- B60W10/00—Conjoint control of vehicle sub-units of different type or different function
- B60W10/30—Conjoint control of vehicle sub-units of different type or different function including control of auxiliary equipment, e.g. air-conditioning compressors or oil pumps
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/18—Arrangements or mounting of liquid-to-air heat-exchangers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02G—HOT GAS OR COMBUSTION-PRODUCT POSITIVE-DISPLACEMENT ENGINE PLANTS; USE OF WASTE HEAT OF COMBUSTION ENGINES; NOT OTHERWISE PROVIDED FOR
- F02G5/00—Profiting from waste heat of combustion engines, not otherwise provided for
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M8/00—Fuel cells; Manufacture thereof
- H01M8/04—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids
- H01M8/04007—Auxiliary arrangements, e.g. for control of pressure or for circulation of fluids related to heat exchange
- H01M8/04029—Heat exchange using liquids
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K1/02—Arrangement or mounting of electrical propulsion units comprising more than one electric motor
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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
- B60K1/00—Arrangement or mounting of electrical propulsion units
- B60K2001/003—Arrangement or mounting of electrical propulsion units with means for cooling the electrical propulsion units
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- 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00
- 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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs
- B60K6/22—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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs
- B60K6/26—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 ; Control systems therefor, i.e. systems controlling two or more prime movers, or controlling one of these prime movers and any of the transmission, drive or drive units Informative references: mechanical gearings with secondary electric drive F16H3/72; arrangements for handling mechanical energy structurally associated with the dynamo-electric machine H02K7/00; machines comprising structurally interrelated motor and generator parts H02K51/00; dynamo-electric machines not otherwise provided for in H02K see H02K99/00 the prime-movers consisting of electric motors and internal combustion engines, e.g. HEVs characterised by apparatus, components or means specially adapted for HEVs characterised by the motors or the generators
- B60K2006/268—Electric drive motor starts the engine, i.e. used as starter motor
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- B60K7/0007—Disposition of motor in, or adjacent to, traction wheel the motor being electric
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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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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- 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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- 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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- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- Transportation (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Life Sciences & Earth Sciences (AREA)
- Automation & Control Theory (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Power Engineering (AREA)
- Electric Propulsion And Braking For Vehicles (AREA)
- Hybrid Electric Vehicles (AREA)
Abstract
一种用于具有发动机与电动机的车辆的冷却系统,其中电动机是被配置为产生用于驱动车辆的电动机扭矩,该冷却系统包括:基于预定标准的出现而用于在电动机冷却装置与发动机冷却装置之间传递热能的装置;电动机冷却装置是用于控制电动机的温度,而发动机冷却装置是用于控制发动机的温度。
Description
技术领域
本发明涉及一种冷却系统,尤其是涉及一种用于具有发动机和电动机的车辆的冷却系统,其中,该电动机被配置为产生用于驱动该车辆的电动机扭矩。
背景技术
混合动力车辆采用一个或多个电动机来驱动车辆,直接或间接地采用内燃机作为一个或多个电动机的电源。例如,采用串联的混合的内燃机,结合发电机,以将烃燃料的化学能转变为电能,存储在方便的形式中。
因此,对于串联的混合动力车辆,通常仅当需要对车辆的电动机进行充电时,才需要启动发动机,否则,发动机不需要利用相当多的燃料。因此,取决于旅行的类型,串联混合动力车辆的发动机可在旅途中被启动和关闭相当多的次数,其中当发动机不运行时,不可避免地需要冷却发动机。
然而,在内燃机预热阶段(也就是,内燃机从环境温度升温至最佳发动机温度)期间,该内燃机将会低效地运转,某些情况下会导致对它的内部部件的损伤。
在这个预热阶段,采用富燃料混合物,它的燃料效率差,而且发热。过量的燃料会“清洗”发动机的气缸孔的润滑油膜,因而产生磨损的风险。
进一步,燃料的部分燃烧会导致在例如发动机活塞冠上形成烃沉积物。这些沉积物可保留大量的热,这会导致发动机容积效率的峰值损失以及预燃的更大风险。
此外,当发动机的润滑油在环境温度下比在最佳发动机温度下变得更粘稠时,在内燃机预热过程中会产生更大的泵浦和摩擦损失。
当发动机在低于它的最佳温度下运转时,不同部件在热膨胀系数上的差异导致比它们的设计要求更大或更小的间隙。例如,在铝壳内操作的钢曲轴主轴承轴颈,在较低温度下会有更紧的间隙,增加了润滑油的剪切率,进而增加了拉力,而在钢孔内的铝活塞将会有增加的间隙,在孔内产生更大的不希望的活塞运动,这会导致磨损和损坏。
在内燃机的预热期间,通常都会有2至15分钟,这是由于在串联混合动力车辆的发动机的间歇运转造成的,这使得串联混合动力车辆的内燃机在它运转的大部分时间内都会在非最优的温度下运转。
人们希望改善这种状况。
发明内容
根据本发明的一个方面,提供了根据所附的权利要求所述的一种冷却系统。
本发明提供了以下优点:允许先于发动机的运行而提高发动机的温度,因而允许该发动机在发动时的温度接近于发动机最佳运行温度。这样允许发动机从发动起更有效地运行,并减少所需要的预热时间。
附图说明
本发明将通过实施例的方式结合所附的附图来进行描述,在这些附图中:
图1显示了串联混合动力车辆的示意图;
图2显示了根据本发明的一个实施例所述的冷却系统;
图3显示了根据本发明的一个实施例所述的冷却系统的第一构造;
图4显示了根据本发明的一个实施例所述的冷却系统的第二构造;
图5显示了根据本发明的一个实施例所述的冷却系统的第三构造。
具体实施方式
图1显示串联混合动力车辆100,具有:多个轮内电动机101、内燃机102、发电机103,以及诸如电池或电容等的能量存储装置104。
轮内电动机101是被配置为提供用于驱动车辆100的扭矩,正如本领域技术人员所熟知。通常,轮内电动机101可被整合进车辆100的至少两个车轮(未示出)内。例如,在有四轮的轿车中,轮内电动机可被整合进所有四个车轮内或者两个车轮内,这两个车轮优选是位于相同轴上。
在专利申请GB 2 440 251中描述了一种轮内电动机的例子。
虽然本实施例描述了具有轮内电动机的串联混合动力车辆,本领域技术人员所应当明确的是,根据本发明的一个实施例所述的串联混合动力车辆也可采用任意形式的电动机,只要该电动机被配置为产生驱动车辆的扭矩,例如,采用单独的连接到驱动系统的电动机,该驱动系统被配置为将由该电动机产生的扭矩传递到该车辆的两个或更多的车轮。进一步,虽然本实施例描述了采用内燃机作为电动机的电源,当发电机用于将由发动机产生的能量转变为直接使电动机运行或者间接地通过采用能量存储装置来使电动机运行的电流时,本发明同样可应用需要冷却系统的电动机的其他电源,例如,燃料电池。
内燃机102联接到发电机103。当发动机102运行时,该发动机102被配置为驱动该发电机103,依次产生电荷,存储在能量存储装置104内。该能量存储装置104提供能量给轮内电动机101。然而,该发电机103可被构造为绕开该能量存储装置104以直接将所需的能量提供给轮内电动机101。
图2显示了用于上述的串联混合动力车辆的一种冷却系统200。
该冷却系统200包括:电动机冷却装置201和发动机冷却装置202。
电动机冷却装置201包括:电动机冷却器210、第一泵203和第一阀门204,其中冷却剂被配置为围绕该电动机冷却装置201流动,使轮内电动机101冷却,正如本领域技术人员所熟知。通常,冷却剂可以是液体。然而,也可采用其他流体。可替代地,可采用非流体材料来提供冷却作用,只要能提供所需的冷却,例如,通过传导。
轮内电动机101在电动机内具有导管,以使得冷却剂流经该电动机101,以便协助散除在该电动机101内产生的热量,例如,散除灾电动机线圈内产生的热量,正如本领域技术人员所熟知。
电动机管道出口是通过第一阀门204联接到电动机散热器入口,正如下面所详细描述的,第一阀门204是基于预定的标准来配置为将电动机冷却装置201联接到发动机冷却装置202,以使得冷却剂从电动机冷却装置201流到发动机冷却装置202。
电动机冷却器出口是通过第一泵203联接到电动机冷却导管入口,其中第一泵203被配置为将冷却剂泵到电动机冷却装置201周围,因而使得冷却剂流经电动机101,以便冷却该电动机101,同时电动机冷却器210被用于冷却该冷却剂。
发动机冷却装置202包括发动机冷却器205、第二泵206、第二阀门207、第三阀门208和第四阀门209。
发动机102被设计为包括导管,用于使冷却剂能流经该发动机102,以便协助散除在该发动机102内产生的热量,正如本领域技术人员所熟知。
通常,正如用于电动机冷却装置201那样,在发动机冷却装置202内可采用相同的冷却器。因此,该冷却剂通常可以是液体。然而,也可采用其他流体。可替代地,可采用非流体材料来提供冷却作用,只要能提供所需的冷却,例如,通过传导。
发动机冷却管道出口是联接到第二阀门207,该阀门可以是恒温控制阀。
在本发明的一个实施例中,当处于第二阀门207的冷却剂的温度是低于预设的温度时,第二阀门207被配置为将发动机冷却管道出口联接到第三阀门208。基于下面所述的预定的标准,第三阀门208被配置为将发动机冷却装置202联接到电动机冷却装置201,以便使得冷却剂能从发动机冷却装置202流到电动机冷却装置201。如果第三阀门208被构造为不允许冷却剂从发动机冷却装置202流到电动机冷却装置201,该第三阀门208允许该冷却剂通过第二阀门206改道返回发动机102。
当处于第二阀门207的冷却剂的温度是高于预设的温度时,第二阀门207被配置为将发动机冷却管道出口联接到发动机冷却器205。当第二阀门207被配置为将发动机冷却管道出口联接到发动机冷却器205时,该第二阀门207可被构造为引导所有冷却剂流经该冷却器,或者被构造为引导一定比例的冷却剂流经该冷却器,剩余的冷却剂从旁路绕过该冷却器205。
发动机冷却器出口被联接到第四阀门209。基于下面所述的预定的标准,该第四阀门209被配置为将发动机冷却装置202联接到电动机冷却装置201,以便使得冷却剂能从发动机冷却装置202流到电动机冷却装置201。如果第四阀门209被构造为不允许冷却剂从发动机冷却装置202流到电动机冷却装置201,该第四阀门209允许该冷却剂通过第二阀门206改道返回发动机102。
通常可由中央控制器来操控第一阀门204、第三阀门204和第四阀门209。然而,本领域技术人员所需要明确的是,这些阀门的操作也可通过任意装置来操作。例如,通过采用步进电机,接收来自中央控制器的位置信号。
此外,第二阀门207的操作也可通过控制器来操控。因此,如果第二阀门207是恒温阀,该控制器可被配置为忽略阀的热设置。可替代地,如果该第二阀门207不是恒温阀,该阀门的操作将通常仅由控制器来操控。
根据本发明所述的实施例,基于预设的条件,第一阀门204、第二阀门307、第三阀门208和第四阀门209可被放置在操作的不同模式来在此条件下操作冷却系统。
例如,取决于冷却剂穿过发动机102以及电动机101在温度上的不同,和/或发动机102的操作状况,和/或电动机101的操作状况,第一阀门204、第三阀门208和第四阀门209可被配置为使冷却剂分离地流经发动机冷却装置202与电动机冷却装置201,或者连续地流经发动机冷却装置202与电动机冷却装置201,以使得冷却剂从电动机冷却装置201流到发动机冷却装置202,反之亦然。
图3和图4显示了所述冷却系统200的一个操作模式,其中,电动机冷却装置201联接到发动机冷却装置202,以使得冷却剂从电动机冷却装置201流到发动机冷却装置202,反之亦然。也就是说,第一阀门204被配置为使得冷却剂从电动机冷却装置201流到发动机冷却装置202,而第三阀门208和第四阀门209被配置为使得冷却剂从发动机冷却装置202流到电动机冷却装置201。
图5显示了所述冷却系统200的一个操作模式,其中,电动机冷却装置201是与发动机冷却装置202相分离的,因此避免了冷却剂从电动机冷却装置201流到发动机冷却装置202。
在图3、4和5的特征对应于在图2中的特征,这些特征已被给予如图2中所给出的那些相同的标号数字。
现在将描述用于将冷却系统200放置进入操作的不同模式中的例子。
如果某个控制器确定发动机温度是低于一个或多个电动机101的温度,或者低于在电动机冷却装置201内的冷却剂的温度时,该控制器会被安排为配置冷却系统200的第一阀门204、第三阀门208和/或第四阀门209,以使得冷却剂在电动机冷却装置201是与发动机冷却装置202之间流动,如图3和图4中所示。通常,当发动机102不运转时,可进行确定发动机温度是否低于一个或多个电动机101的温度。
发动机102和电动机101的温度可通过任意合适的装置来确定,例如,通过分别测量在发动机102和电动机101内的组件的温度,或者通过测量已经分别流经发动机和电动机的冷却剂的温度。
为改变所述冷却系统的热能力,第二阀门207被配置为引导发动机冷却装置的冷却剂,以致如果冷却剂温度是低于预定的温度(如图3所示),该冷却剂迂回绕过发动机散热器205;如果该冷却剂温度是高于预设的温度值(如图4所示),引导该发动机冷却装置的冷却剂流过发动机冷却器205。
当已经确定发动机温度是低于一个或多个电动机101的温度时,第一阀门204、第三阀门208和/或第四阀门209已经被配置为使得冷却剂在电动机冷却装置201是与发动机冷却装置202之间流动,对于冷却系统,是不能够区别发动机温度和电动机温度,一旦电动机冷却装置201是与发动机冷却装置202已经被联接,更优选的是,一旦已经确定发动机102已经被开启并运转时,第一阀门204、第三阀门208和/或第四阀门209被配置为避免冷却剂在电动机冷却装置201是与发动机冷却装置202之间流动。也就是说,一旦该发动机102正在运转时,第一阀门204、第三阀门208和/或第四阀门209被控制为使电动机冷却装置201与发动机冷却装置202相分离。
通过将电动机冷却装置的冷却剂转移进入发动机冷却装置202,这样具有以下优点:在发动机102被开启之前,使得该发动机102的温度能被升高。因此,当发动机102被开启时,该发动机102将会更接近于它的最佳操作温度。继而,在这样的构造中,当启动该发动机102时,不再需要使用富燃料混合物,因而增加了燃油效率,并使基于发动机的磨损最小化。
当电动机冷却装置201与发动机冷却装置202相分离以避免冷却剂在电动机冷却装置201是与发动机冷却装置202之间流动(如图5中所示)时,第二阀门207被配置为引导发动机冷却装置的冷却剂,以致如果冷却剂温度是低于预定的温度,该冷却剂迂回绕过发动机散热器205;如果该冷却剂温度是高于预设的温度值,引导该发动机冷却装置的冷却剂流过发动机冷却器205。
然而,当电动机101正在运转,且该发动机102不在运转时,第一阀门204被配置为联接电动机冷却装置201与发动机冷却装置202,可采用控制器来控制第二阀门207的操作,以便使得冷却剂穿过发动机冷却器205,不依赖于冷却剂温度,因而使得可应用增强的冷却,并增加电动机的性能。然而,如果已经确认发动机201被立刻开启,第二阀门207会被配置为迂回发动机冷却器205和电动机冷却器202,因而在发动机开启之前,使得发动机温度能被进一步增加。
一旦电动机101已经停止,因而使车辆停止时,为增强发动机冷却,控制器优选地被配置为操作第一阀门204,以便联接发动机冷却装置202与电动机冷却装置201,以便增加该发动机的冷却效果。
需要注意的是,当拒绝一个运转中的发动机的热量是不能成立时,在以下的条件下:当电动机的负载是低(例如,当电动机以低速操作)时,发动机冷却装置202与电动机冷却装置201可被联接,因而使得该发动机受益于:电动机散热器的冷却量、电动机的值得考虑的热容量,和发动机冷却装置。
当发动机和电动机的温度信息是可用的时,例如,通过在该发动机和电动机上的温度探针,在下面的表1中列出了不同冷却系统构造的例子。
表1
发动机状况 | 电动机状况 | 发动机温度低于电动机温度 | 发动机温度高于电动机温度 |
发动机关 | 快 | 模式 1 | 模式3 |
发动机关 | 慢/静止“开” | 模式 1 | 模式3 |
发动机关 | 静止“关” | 模式 1 | 模式3 |
即将启用发动机 | 快 | 模式2 | 模式3 |
即将启用发动机 | 慢/静止“开” | 模式2 | 模式3 |
即将启用发动机 | 静止“关” | N/A | N/A |
发动机开 | 快 | 模式3 | 模式3 |
发动机开 | 慢/静止“开” | 模式2 或 3 | 模式3 |
发动机开 | 静止“关” | 模式2 | 模式3 |
模式1对应于在图3所示的冷却系统,其中,阀门1 204被配置为将电动机冷却装置201联接到发动机冷却装置202,以使得冷却剂从电动机冷却装置201流到发动机冷却装置202,而阀门2被配置为引导冷却剂通过发动机冷却器205流到电动机冷却器210。
模式2对应于在图4所示的冷却系统,其中,阀门1 204被配置为将电动机冷却装置201联接到发动机冷却装置202,以使得冷却剂从电动机冷却装置201流到发动机冷却装置202,而阀门2被配置为通过将引导冷却剂迂回绕过电动机冷却器210和发动机冷却器205。
模式3对应于在图5所示的冷却系统,其中,阀门1 204被配置为使电动机冷却装置201与发动机冷却装置202相分离。
然而,本领域技术人员所应当明确的是,可采用不同的冷却系统200构造来应用于上面所述的内容。
虽然本具体实施方式允许通过使得冷却剂在电动机冷却装置201和发动机冷却装置202之间流动而在电动机冷却装置201和发动机冷却装置202之间发生热转移,但也可采用其他形式的热转移。例如,在电动机冷却装置201和发动机冷却装置202之间可联接一个热转换器,该热转换器被配置为使得电动机冷却装置201和发动机冷却装置202能被热联接,基于上述关于第一阀门、第三阀门和第四阀门的操作的相同标准。
此外,电动机冷却装置201可被配置为也以用于电动机101类似的方式来冷却发电机103。
本领域技术人员所应当明确的是,本发明所揭示的主题内容也可以许多方式来修改,在上述所述的特别提出的优选形式之外,许多假设的实施例也是可行的,例如,所述冷却系统可被用于任意形式的车辆,该车辆具有可产生扭矩用于驱动车辆的电动机以及发动机,又例如,所述冷却系统可被用于平行混合动力车辆,该车辆中,包括发动机和电动机都能被用于产生用于驱动车辆的扭矩。
Claims (20)
1.一种用于具有电动机与用于所述电动机的电源的车辆的冷却系统,其中所述电动机是被配置为产生用于驱动所述车辆的电动机扭矩,所述冷却系统包括:基于预定标准的出现而用于在第一冷却装置与第二冷却装置之间传递热能的装置;所述第一冷却装置是用于通过将冷却剂供应到所述电动机来控制所述电动机的温度,而所述第二冷却装置是用于通过将冷却剂供应到电动机的电源来控制电动机的电源的温度;所述电源是内燃机;一旦所述内燃机被启动,所述传递热能的装置是被配置为阻止在第一冷却装置与第二冷却装置之间的热能的传递,如果所述冷却剂的温度是高于预设的温度值,所述将冷却剂供应到所述内燃机是将所述冷却剂引导到发动机冷却器,以使得所述第二冷却装置冷却所述内燃机,且如果所述冷却剂的温度是低于预设的温度值,所述冷却剂不被引导到发动机冷却器。
2.根据权利要求1所述的冷却系统,其特征在于:所述内燃机是联接到发电机,该发电机被配置为将由所述内燃机产生的能量转变为电流。
3.根据权利要求2所述的冷却系统,其特征在于:所述发电机是联接到能量存储装置,该能量存储装置被配置为存储由所述发电机产生的电流,且所述能量存储装置被配置为提供电流到所述电动机。
4.根据权利要求1至3之一所述的冷却系统,其特征在于:所述基于预定标准的出现而用于在第一冷却装置与第二冷却装置之间传递热能的装置是取决于在所述第一冷却装置与第二冷却装置之间的温差。
5.根据权利要求1至3之一所述的冷却系统,其特征在于:所述基于预定标准的出现而用于在第一冷却装置与第二冷却装置之间传递热能的装置是取决于在所述第一冷却装置与第二冷却装置之间的温差和/或所述电源的运行状况和/或所述电动机的运行状况。
6.根据权利要求1至3之一所述的冷却系统,其特征在于:所述基于预定标准的出现而用于在第一冷却装置与第二冷却装置之间传递热能的装置是取决于以下确定情形:所述电动机提供扭矩,所述电源被切断,所述第一冷却装置的温度是高于所述第二冷却装置的温度。
7.根据权利要求1至3之一所述的冷却系统,其特征在于:所述基于预定标准的出现而用于在第一冷却装置与第二冷却装置之间传递热能的装置是取决于以下确定情形:所述电动机被关停,所述电源被切断。
8.根据权利要求1至3之一所述的冷却系统,其特征在于:所述基于预定标准的出现而用于在第一冷却装置与第二冷却装置之间传递热能的装置是取决于以下确定情形:所述第一冷却装置处于比所述第二冷却装置更高的温度。
9.根据权利要求1至3之一所述的冷却系统,其特征在于:所述传递热能的装置是热交换器。
10.根据权利要求1至3之一所述的冷却系统,其特征在于:所述传递热能的装置是阀门,被配置为允许将冷却剂施加到电动机,以进入第二冷却装置,基于以下确定情形而用于供应给所述电源:施加到所述电动机的冷却剂是处于比所述第二冷却装置更高的温度。
11.根据权利要求1至3之一所述的冷却系统,其特征在于:所述冷却系统是被配置为在具有发电机的车辆内操作,该发电机用于从由所述内燃机产生的能量中产生电流,所述第一冷却装置是被配置为控制所述发电机的温度。
12.根据权利要求1至3之一所述的冷却系统,其特征在于:所述电源是被配置为直到所述第二冷却装置已经将所述电源的温度提升至预定的温度时才会被启动。
13.根据权利要求1至3之一所述的冷却系统,其特征在于:所述冷却系统是被配置为在车辆内操作,其中所述电动机是多个轮内电动机。
14.根据权利要求1至3之一所述的冷却系统,其特征在于,所述传递热能的装置是被配置为基于以下确定情形而阻止从第二冷却装置到第一冷却装置的热能的传递:所述第二冷却装置处于比所述第一冷却装置更高的温度。
15.根据权利要求14所述的冷却系统,其特征在于:所述传递热能的装置是被配置为通过防止冷却剂从所述电动机供应到所述第二冷却装置而阻止热能的传递。
16.包括根据权利要求1所述的冷却系统的车辆。
17.包括根据权利要求2所述的冷却系统的车辆。
18.包括根据权利要求3所述的冷却系统的车辆。
19.根据权利要求18所述的车辆,其特征在于:所述内燃机是被配置为被启动以便允许基于达到预定的标准而产生充电。
20.根据权利要求16至19之一所述的车辆,其特征在于:所述第一冷却装置和/或所述第二冷却装置包括冷却剂,该冷却剂被配置为基于预定标准而被转移通过发动机冷却器。
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PCT/IB2010/053134 WO2011013018A1 (en) | 2009-07-29 | 2010-07-08 | Cooling system |
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US20120186775A1 (en) | 2012-07-26 |
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