WO2020238193A1 - Two-cycle vehicle cooling system having novel combination configuration - Google Patents

Two-cycle vehicle cooling system having novel combination configuration Download PDF

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Publication number
WO2020238193A1
WO2020238193A1 PCT/CN2019/128698 CN2019128698W WO2020238193A1 WO 2020238193 A1 WO2020238193 A1 WO 2020238193A1 CN 2019128698 W CN2019128698 W CN 2019128698W WO 2020238193 A1 WO2020238193 A1 WO 2020238193A1
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temperature
low
cooling system
radiator
cooling
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PCT/CN2019/128698
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French (fr)
Chinese (zh)
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秦四成
李克锋
赵峰
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吉林大学
聊城市德通交通器材制造有限公司
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Publication of WO2020238193A1 publication Critical patent/WO2020238193A1/en

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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
    • F01P3/20—Cooling circuits not specific to a single part of engine or machine
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/02—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers
    • 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
    • F01P5/00—Pumping cooling-air or liquid coolants
    • F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
    • F02B29/04—Cooling of air intake supply
    • F02B29/0406—Layout of the intake air cooling or coolant circuit
    • F02B29/0437—Liquid cooled heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/042—Controlling the temperature of the fluid
    • F15B21/0423—Cooling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0412—Cooling or heating; Control of temperature
    • F16H57/0415—Air cooling or ventilation; Heat exchangers; Thermal insulations
    • F16H57/0416—Air cooling or ventilation
    • 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
    • Y02T10/10—Internal combustion engine [ICE] based vehicles
    • Y02T10/12—Improving ICE efficiencies

Definitions

  • the present disclosure belongs to the technical field of vehicle cooling and heat dissipation, and relates to a vehicle dual-cycle cooling system, which is suitable for a vehicle multi-heat source system and an efficient heat dissipation method that requires a large heat dissipation capacity.
  • Vehicle systems have many heat sources, such as engine water cooling system heat source, engine boost air heat source, vehicle transmission system heat source, vehicle operating device hydraulic system heat source, and vehicle braking System heat source, engine fuel supply system heat source, vehicle air conditioning system condenser heat source, etc., depending on the host system configuration, the vehicle heat source is slightly different.
  • the vehicle cooling system is the key to ensure the engine cooling system coolant temperature requirements, the engine charge air cooling temperature requirements, the vehicle transmission system transmission oil temperature requirements, the vehicle operating device hydraulic system hydraulic oil temperature requirements, and other vehicle system temperature requirements. system.
  • the application of various new technologies has increased the heat load of the vehicle cooling system.
  • Vehicle cooling and heat dissipation technology is a key technology of modern vehicles, which determines the efficient energy saving, clean emission and reliable operation of vehicles.
  • the traditional heat dissipation method of the combination of fan and multiple radiators is limited by fan size characteristics, driving characteristics, and noise limitations, limited by the combination of multiple radiators, and limited by the space form of the power compartment. It is difficult to efficiently and reliably balance the vehicle. The operating temperature requirements of each system.
  • the technical problem to be solved by the present disclosure is the low heat dissipation efficiency, large structural size, and high heat dissipation and energy consumption of the vehicle cooling system in the prior art. It provides a vehicle dual-cycle cooling system that meets the efficient heat dissipation requirements of the vehicle multi-heat source system .
  • a vehicle dual-circulation cooling system composed of a high-temperature circulating cooling system and a low-temperature circulating cooling system, and in the cooling air cooling flow path, a low-temperature radiator 7 is connected in parallel with a hydraulic oil radiator 6, and then connected in series with a high-temperature radiator 5, and then The combination constitutes a combination of two rows of front and rear radiators;
  • the high temperature circulating cooling system is mainly composed of engine 1, engine water pump 2, transmission oil radiator 4 and high temperature radiator 5;
  • the engine water pump 2 drives the flow of coolant in the high temperature circulating cooling system
  • the coolant in the high-temperature circulating cooling system first flows through the cooling cavity in the engine 1 to obtain the heat of the engine cooling system, and then flows through the transmission oil radiator 4 to obtain the heat of the vehicle transmission system;
  • the heat of the coolant is exchanged with the flowing cooling air in the high-temperature radiator 5;
  • the low-temperature circulation cooling system is mainly composed of a low-temperature radiator 7, a low-temperature circulation pump 9, and a water-cooled intercooler 8;
  • the low-temperature circulating coolant is driven to flow by the low-temperature circulating pump 9.
  • the coolant in the low-temperature circulating cooling system passes through the low-temperature radiator 7, and then flows through the water-cooled intercooler 8 to obtain the engine supercharged air heat;
  • the heat of the coolant is exchanged with the flowing cooling air in the low-temperature radiator 7.
  • the hydraulic oil radiator 6 of the vehicle hydraulic system is arranged side by side with the low-temperature radiator 7.
  • a high-temperature radiator 5 is arranged in series.
  • the cooling air described in the technical solution flows under the drive of a cooling fan.
  • the cooling air first flows through the low-temperature radiator 7 and the hydraulic oil radiator 6 in the low-temperature circulating cooling system, respectively, to separate the heat of the coolant in the low-temperature circulating cooling system, The heat of the hydraulic oil of the hydraulic system is exchanged with the cooling air.
  • the cooling air flows through the high-temperature radiator 5 in the high-temperature circulating cooling system to exchange the heat of the coolant in the high-temperature circulating cooling system with the cooling air.
  • the cooling of the engine supercharged air described in the technical solution is implemented in the water-cooled intercooler 8 in the low-temperature circulating cooling system, which reduces the pressure loss of supercharged air and guarantees the state requirements of the engine supercharged air entering the combustion chamber.
  • the vehicle dual-cycle cooling system coordinates the operating temperature requirements of each system of the vehicle to meet the cooling requirements of each heat source.
  • the radiators on the cooling air flow path are combined in series and parallel to achieve high temperature radiators, low temperature radiators and hydraulic oil radiators.
  • the heat exchange with the cooling air reduces the number of radiators, reduces the manufacturing cost of the cooling system, improves the heat dissipation efficiency of the cooling air, and reduces the energy consumption of the vehicle cooling system.
  • the engine charge air is cooled, the volume of the charge air radiator is reduced, the charge air flow resistance is reduced, the charge air pressure is increased, the engine combustion effect is improved, and the vehicle performance is improved. Emission indicators.
  • Figure 1 is a diagram of a dual-cycle cooling system for a vehicle according to the present disclosure
  • A represents the in and out of transmission oil
  • B represents the in and out of pressurized air
  • C represents the flow direction of cold air
  • D represents the flow direction of hot air.
  • a newly combined vehicle dual-circulation cooling system of the present disclosure includes a high-temperature circulating cooling system and a low-temperature circulating cooling system.
  • the high temperature circulating cooling system mainly solves the heat dissipation of the engine coolant and the transmission oil
  • the low temperature circulating cooling system mainly solves the cooling of the engine supercharged air.
  • the specific requirements of the heat source of the vehicle's corresponding system are combined in series and parallel with the relevant radiators to realize the method of arranging the radiators in the front and rear rows of the cooling air flow path. In the corresponding system, the heat is transferred to the high-temperature circulating cooling liquid and the low-temperature circulating cooling liquid respectively.
  • the cooling air first flows through the low-temperature radiator and hydraulic oil radiator in the low-temperature circulation cooling system in the first row, and then flows through the high-temperature radiator in the high-temperature circulation cooling system in the second row to realize the heat of vehicle-related heat sources and cooling air exchange.
  • the high temperature circulating cooling system is mainly composed of an engine 1, an engine water pump 2, an engine thermostat 3, a transmission oil radiator 4, and a high temperature radiator 5.
  • the coolant (also called high-temperature circulating coolant) in the high-temperature circulating cooling system is driven by the engine water pump 2.
  • the high-temperature circulating coolant first flows through the cooling cavity in the engine to obtain the heat of the engine cooling system, and then the high-temperature circulating coolant flows through the transmission oil radiator The heat of the transmission system is obtained, and the high-temperature circulating cooling liquid realizes heat exchange with the cooling air in the high-temperature radiator 5.
  • the low-temperature circulation cooling system is mainly composed of a low-temperature radiator 7, a low-temperature circulation pump 9, and a water-cooled intercooler 8.
  • the low-temperature circulating pump 8 is driven by the engine's mechanical energy or electric energy.
  • the cooling liquid (also called low-temperature circulating cooling liquid) in the low-temperature circulating cooling system is driven to flow by the low-temperature circulating pump 9, and the low-temperature circulating cooling liquid flows through the water-cooled intercooler 8 to obtain pressurized air
  • the heat, low-temperature circulating cooling liquid realizes heat exchange with the cooling air in the low-temperature radiator 7.
  • the new combination is: a hydraulic oil radiator 6 of the vehicle hydraulic system is arranged in parallel with the low temperature radiator 7. On the cooling flow path of the cooling air, a high-temperature radiator 5 is arranged in series. By the series-parallel combination of these three radiators, a combination of radiators arranged in the front and back rows on the cooling air flow path is realized.
  • the cooling air is driven by a cooling fan, etc.
  • the cooling air first flows through the low temperature radiator 7 in the low temperature circulating cooling system and the hydraulic oil radiator 6 of the vehicle hydraulic system, and then flows through the high temperature heat dissipation in the high temperature circulating cooling system.
  • the device 5 realizes heat exchange between the vehicle heat source and the cooling air.
  • the coolant passes through the low-temperature radiator 7 and then flows through the water-cooled intercooler 8 to cool the engine supercharged air, reduce the pressure loss of supercharged air, and ensure the state requirements of the engine supercharged air entering the combustion chamber.
  • the present disclosure designs a new combined vehicle dual-cycle cooling system, Realize the efficient cooling and heat dissipation of the heat of each system of the vehicle.
  • the vehicle dual-circulation cooling system consists of a high-temperature circulating cooling system and a low-temperature circulating cooling system.
  • the number of related radiators is slightly different. For example, for vehicles with hydraulic transmission systems, the transmission oil radiator 4 in the high temperature circulating cooling system does not exist.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid Mechanics (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

A two-cycle vehicle cooling system, comprising a high temperature cycle cooling system and a low temperature cycle cooling system. The high temperature cycle cooling system primarily consists of an engine (1), an engine water pump (2), a transmission oil radiator (4), and a high temperature radiator (5). The low temperature cycle cooling system primarily consists of a low temperature radiator (7), a low temperature cycle pump (9), and a water-cooling intercooler (8). The present system facilitates heat exchange with cooling air, reduces the number of radiators, reduces manufacturing costs of cooling systems, improves the heat dissipation efficiency of the cooling air, and reduces energy consumption of vehicle cooling systems.

Description

一种新组合的车辆双循环冷却系统A new combined vehicle dual-circulation cooling system
相关申请Related application
本申请是以申请号为201910441600.4，申请日为2019年5月24日，发明名称为“一种新组合的车辆双循环冷却系统”的中国专利申请为基础，并主张其优先权，该中国专利申请的公开内容在此作为整体引入本申请中。This application is based on the Chinese patent application with the application number 201910441600.4, the filing date of May 24, 2019, and the invention title "A new combination of vehicle dual-cycle cooling system", and its priority is claimed. This Chinese patent The disclosure of the application is hereby incorporated into the application as a whole.
技术领域Technical field
本公开属于车辆冷却散热技术领域，涉及一种车辆双循环冷却系统，适用于车辆多热源系统、大散热量要求的高效散热方式。The present disclosure belongs to the technical field of vehicle cooling and heat dissipation, and relates to a vehicle dual-cycle cooling system, which is suitable for a vehicle multi-heat source system and an efficient heat dissipation method that requires a large heat dissipation capacity.
背景技术Background technique
现代车辆特别是工程车辆要满足行驶及作业等多种功能要求，车辆系统具有诸多热源，如发动机水冷系统热源、发动机增压空气热源、车辆传动系统热源、车辆作业装置液压系统热源、车辆制动系统热源、发动机燃油供给系统热源、车辆空调系统冷凝器热源等，根据主机系统配置不同，车辆热源略有差异。车辆冷却系统是保障车辆系统中的发动机冷却系统冷却液温度要求、发动机增压空气冷却温度要求、车辆传动系统传动油温度要求、车辆作业装置液压系统液压油温度要求、车辆其他系统温度要求的关键系统。随着车辆系统节能技术的不断发展和车辆排放法规的愈加严格，各种新技术的应用，更增加了车辆冷却系统的热负荷。车辆冷却散热技术是现代车辆关键技术，决定着车辆高效节能、清洁排放、可靠工作。而传统的风扇与多散热器组合的散热方式，受限于风扇尺寸特征、驱动特征、噪声限制，受限于多散热器组合方式，受限于动力舱空间形式，难于高效、可靠地平衡车辆各系统工作温度要求。Modern vehicles, especially engineering vehicles, must meet various functional requirements such as driving and operation. Vehicle systems have many heat sources, such as engine water cooling system heat source, engine boost air heat source, vehicle transmission system heat source, vehicle operating device hydraulic system heat source, and vehicle braking System heat source, engine fuel supply system heat source, vehicle air conditioning system condenser heat source, etc., depending on the host system configuration, the vehicle heat source is slightly different. The vehicle cooling system is the key to ensure the engine cooling system coolant temperature requirements, the engine charge air cooling temperature requirements, the vehicle transmission system transmission oil temperature requirements, the vehicle operating device hydraulic system hydraulic oil temperature requirements, and other vehicle system temperature requirements. system. With the continuous development of energy-saving technologies for vehicle systems and stricter vehicle emission regulations, the application of various new technologies has increased the heat load of the vehicle cooling system. Vehicle cooling and heat dissipation technology is a key technology of modern vehicles, which determines the efficient energy saving, clean emission and reliable operation of vehicles. However, the traditional heat dissipation method of the combination of fan and multiple radiators is limited by fan size characteristics, driving characteristics, and noise limitations, limited by the combination of multiple radiators, and limited by the space form of the power compartment. It is difficult to efficiently and reliably balance the vehicle. The operating temperature requirements of each system.
发明内容Summary of the invention
本公开所要解决的技术问题是现有技术存在的车辆冷却系统散热效率低、结构尺寸大、散热耗能多等问题，提供了一种车辆双循环冷却系统，适应车辆多热源系统的高效散热要求。The technical problem to be solved by the present disclosure is the low heat dissipation efficiency, large structural size, and high heat dissipation and energy consumption of the vehicle cooling system in the prior art. It provides a vehicle dual-cycle cooling system that meets the efficient heat dissipation requirements of the vehicle multi-heat source system .
为解决上述技术问题，本公开是采用如下技术方案实现的，结合附图说明如下：In order to solve the above technical problems, the present disclosure is implemented by adopting the following technical solutions, which are described as follows with reference to the drawings:
一种车辆双循环冷却系统，由高温循环冷却系统和低温循环冷却系统组成，并且 在冷却空气冷却流动路径上由低温散热器7与液压油散热器6并联，再与高温散热器5串联，进而组合构成前后两排布置散热器的组合方式；A vehicle dual-circulation cooling system, composed of a high-temperature circulating cooling system and a low-temperature circulating cooling system, and in the cooling air cooling flow path, a low-temperature radiator 7 is connected in parallel with a hydraulic oil radiator 6, and then connected in series with a high-temperature radiator 5, and then The combination constitutes a combination of two rows of front and rear radiators;
所述的高温循环冷却系统主要由发动机1、发动机水泵2、传动油散热器4和高温散热器5组成；The high temperature circulating cooling system is mainly composed of engine 1, engine water pump 2, transmission oil radiator 4 and high temperature radiator 5;
所述发动机水泵2驱使高温循环冷却系统中冷却液流动；The engine water pump 2 drives the flow of coolant in the high temperature circulating cooling system;
高温循环冷却系统中冷却液先流经发动机1机体内冷却腔获得发动机冷却系统热量、再流经传动油散热器4获得车辆传动系统热量；The coolant in the high-temperature circulating cooling system first flows through the cooling cavity in the engine 1 to obtain the heat of the engine cooling system, and then flows through the transmission oil radiator 4 to obtain the heat of the vehicle transmission system;
高温循环冷却系统中冷却液热量在高温散热器5中与流动的冷却空气实现热交换；In the high-temperature circulating cooling system, the heat of the coolant is exchanged with the flowing cooling air in the high-temperature radiator 5;
所述的低温循环冷却系统主要由低温散热器7、低温循环泵9、水冷中冷器8组成；The low-temperature circulation cooling system is mainly composed of a low-temperature radiator 7, a low-temperature circulation pump 9, and a water-cooled intercooler 8;
低温循环冷却液由低温循环泵9驱动流动。The low-temperature circulating coolant is driven to flow by the low-temperature circulating pump 9.
低温循环冷却系统中冷却液经低温散热器7后，流经水冷中冷器8获得发动机增压空气热量；The coolant in the low-temperature circulating cooling system passes through the low-temperature radiator 7, and then flows through the water-cooled intercooler 8 to obtain the engine supercharged air heat;
低温循环冷却系统中冷却液热量在低温散热器7中与流动的冷却空气实现热交换。In the low-temperature circulating cooling system, the heat of the coolant is exchanged with the flowing cooling air in the low-temperature radiator 7.
技术方案中与低温散热器7并列布置的还有车辆液压系统液压油散热器6。在冷却空气冷却流动路径上，又串联布置了高温散热器5。由这3个散热器的串并联组合，实现在冷却空气冷却流动路径上的前后两排布置散热器的组合方式。In the technical solution, the hydraulic oil radiator 6 of the vehicle hydraulic system is arranged side by side with the low-temperature radiator 7. On the cooling flow path of the cooling air, a high-temperature radiator 5 is arranged in series. By the series-parallel combination of these three radiators, a combination of radiators arranged in the front and back rows on the cooling air flow path is realized.
技术方案中所述的冷却空气在冷却风扇驱动下流动，冷却空气先流经低温循环冷却系统中的低温散热器7和液压系统液压油散热器6，分别将低温循环冷却系统中冷却液热量、液压系统液压油热量与冷却空气实现热交换。然后冷却空气再流经高温循环冷却系统中的高温散热器5，将高温循环冷却系统中冷却液热量与冷却空气实现热交换。The cooling air described in the technical solution flows under the drive of a cooling fan. The cooling air first flows through the low-temperature radiator 7 and the hydraulic oil radiator 6 in the low-temperature circulating cooling system, respectively, to separate the heat of the coolant in the low-temperature circulating cooling system, The heat of the hydraulic oil of the hydraulic system is exchanged with the cooling air. Then the cooling air flows through the high-temperature radiator 5 in the high-temperature circulating cooling system to exchange the heat of the coolant in the high-temperature circulating cooling system with the cooling air.
技术方案中所述的发动机增压空气的冷却在低温循环冷却系统中的水冷中冷器8中实现，减少增压空气压力损失，保障发动机增压空气进入燃烧室的状态要求。The cooling of the engine supercharged air described in the technical solution is implemented in the water-cooled intercooler 8 in the low-temperature circulating cooling system, which reduces the pressure loss of supercharged air and guarantees the state requirements of the engine supercharged air entering the combustion chamber.
与现有技术相比本公开的有益效果是：Compared with the prior art, the beneficial effects of the present disclosure are:
车辆双循环冷却系统统筹车辆各系统工作温度要求，满足各热源的冷却需求，冷却空气流动路径上的各散热器以串并联组合方式，在高温散热器、低温散热器和液压油散热器中实现与冷却空气的热交换，减少了散热器数量，降低了冷却系统制造成本， 提高了冷却空气散热效率，减少了车辆冷却系统能耗。The vehicle dual-cycle cooling system coordinates the operating temperature requirements of each system of the vehicle to meet the cooling requirements of each heat source. The radiators on the cooling air flow path are combined in series and parallel to achieve high temperature radiators, low temperature radiators and hydraulic oil radiators. The heat exchange with the cooling air reduces the number of radiators, reduces the manufacturing cost of the cooling system, improves the heat dissipation efficiency of the cooling air, and reduces the energy consumption of the vehicle cooling system.
在水冷中冷器中实现发动机增压空气的冷却，减小了增压空气散热器体积，降低了增压空气流程阻力，提高了增压空气压力，改善了发动机燃烧效果，提高车辆性能，降低排放指标。In the water-cooled intercooler, the engine charge air is cooled, the volume of the charge air radiator is reduced, the charge air flow resistance is reduced, the charge air pressure is increased, the engine combustion effect is improved, and the vehicle performance is improved. Emission indicators.
附图说明Description of the drawings
下面结合附图对本公开作进一步的说明：The disclosure will be further explained below in conjunction with the drawings:
图1是本公开所述车辆双循环冷却系统图；Figure 1 is a diagram of a dual-cycle cooling system for a vehicle according to the present disclosure;
图中：1、发动机，2、发动机水泵，3、发动机节温器，4、传动油散热器，5、高温散热器，6、液压油散热器，7、低温散热器，8、水冷中冷器，9、低温循环泵。In the picture: 1. Engine, 2. Engine water pump, 3. Engine thermostat, 4. Transmission oil radiator, 5. High temperature radiator, 6. Hydraulic oil radiator, 7. Low temperature radiator, 8. Water cooling and intercooling器，9、Cryogenic circulating pump.
A表示传动油进出；B表示增压空气进出；C表示冷空气流向；D表示热空气流向。A represents the in and out of transmission oil; B represents the in and out of pressurized air; C represents the flow direction of cold air; D represents the flow direction of hot air.
具体实施方式Detailed ways
下面结合附图对本公开作详细的描述：The disclosure will be described in detail below in conjunction with the accompanying drawings:
本公开的一种新组合的车辆双循环冷却系统，包括高温循环冷却系统和低温循环冷却系统。高温循环冷却系统主要是解决发动机冷却液的散热和传动油的散热，低温循环冷却系统主要解决发动机增压空气的冷却。将车辆相应系统热源的具体要求，经相关散热器的串并联组合，实现在冷却空气冷却流动路径上的前后两排布置散热器的方式。在相应系统热量分别传热至高温循环冷却液和低温循环冷却液。冷却空气先流经第一排的低温循环冷却系统中的低温散热器和液压油散热器，再流经第二排的高温循环冷却系统中的高温散热器，实现车辆相关热源与冷却空气的热交换。A newly combined vehicle dual-circulation cooling system of the present disclosure includes a high-temperature circulating cooling system and a low-temperature circulating cooling system. The high temperature circulating cooling system mainly solves the heat dissipation of the engine coolant and the transmission oil, and the low temperature circulating cooling system mainly solves the cooling of the engine supercharged air. The specific requirements of the heat source of the vehicle's corresponding system are combined in series and parallel with the relevant radiators to realize the method of arranging the radiators in the front and rear rows of the cooling air flow path. In the corresponding system, the heat is transferred to the high-temperature circulating cooling liquid and the low-temperature circulating cooling liquid respectively. The cooling air first flows through the low-temperature radiator and hydraulic oil radiator in the low-temperature circulation cooling system in the first row, and then flows through the high-temperature radiator in the high-temperature circulation cooling system in the second row to realize the heat of vehicle-related heat sources and cooling air exchange.
所述的高温循环冷却系统主要由发动机1、发动机水泵2、发动机节温器3、传动油散热器4、高温散热器5组成。高温循环冷却系统中冷却液(也称高温循环冷却液)由发动机水泵2驱动流动，高温循环冷却液先流经发动机内冷却腔获得发动机冷却系统热量，高温循环冷却液再流经传动油散热器获得传动系统热量，高温循环冷却液在高温散热器5中实现与冷却空气的热交换。The high temperature circulating cooling system is mainly composed of an engine 1, an engine water pump 2, an engine thermostat 3, a transmission oil radiator 4, and a high temperature radiator 5. The coolant (also called high-temperature circulating coolant) in the high-temperature circulating cooling system is driven by the engine water pump 2. The high-temperature circulating coolant first flows through the cooling cavity in the engine to obtain the heat of the engine cooling system, and then the high-temperature circulating coolant flows through the transmission oil radiator The heat of the transmission system is obtained, and the high-temperature circulating cooling liquid realizes heat exchange with the cooling air in the high-temperature radiator 5.
所述的低温循环冷却系统主要由低温散热器7、低温循环泵9、水冷中冷器8组成。低温循环泵8由发动机机械能或电能驱动工作，低温循环冷却系统中冷却液(也称低温循环冷却液)由低温循环泵9驱动流动，低温循环冷却液流经水冷中冷器8获 得增压空气热量，低温循环冷却液在低温散热器7中实现与冷却空气的热交换。The low-temperature circulation cooling system is mainly composed of a low-temperature radiator 7, a low-temperature circulation pump 9, and a water-cooled intercooler 8. The low-temperature circulating pump 8 is driven by the engine's mechanical energy or electric energy. The cooling liquid (also called low-temperature circulating cooling liquid) in the low-temperature circulating cooling system is driven to flow by the low-temperature circulating pump 9, and the low-temperature circulating cooling liquid flows through the water-cooled intercooler 8 to obtain pressurized air The heat, low-temperature circulating cooling liquid realizes heat exchange with the cooling air in the low-temperature radiator 7.
所述的新组合是：与低温散热器7并列布置有车辆液压系统液压油散热器6。在冷却空气冷却流动路径上，又串联布置了高温散热器5。由这3个散热器的串并联组合，实现在冷却空气冷却流动路径上的前后两排布置散热器的组合方式。The new combination is: a hydraulic oil radiator 6 of the vehicle hydraulic system is arranged in parallel with the low temperature radiator 7. On the cooling flow path of the cooling air, a high-temperature radiator 5 is arranged in series. By the series-parallel combination of these three radiators, a combination of radiators arranged in the front and back rows on the cooling air flow path is realized.
所述的冷却空气在冷却风扇等驱动下流动，冷却空气先流经低温循环冷却系统中的低温散热器7和车辆液压系统的液压油散热器6，再流经高温循环冷却系统中的高温散热器5，将车辆热源与冷却空气实现热交换。The cooling air is driven by a cooling fan, etc. The cooling air first flows through the low temperature radiator 7 in the low temperature circulating cooling system and the hydraulic oil radiator 6 of the vehicle hydraulic system, and then flows through the high temperature heat dissipation in the high temperature circulating cooling system. The device 5 realizes heat exchange between the vehicle heat source and the cooling air.
所述的低温循环冷却系统中冷却液经低温散热器7后流经水冷中冷器8，冷却发动机增压空气，减少增压空气压力损失，保障发动机增压空气进入燃烧室的状态要求。In the low-temperature circulating cooling system, the coolant passes through the low-temperature radiator 7 and then flows through the water-cooled intercooler 8 to cool the engine supercharged air, reduce the pressure loss of supercharged air, and ensure the state requirements of the engine supercharged air entering the combustion chamber.
针对车辆多热源系统对各自系统工作温度特征的要求，为了避免各系统温度过高而影响车辆系统的高效节能、清洁排放、可靠工作，本公开通过设计一种新组合的车辆双循环冷却系统，实现车辆各系统热量的高效冷却散热。车辆双循环冷却系统由高温循环冷却系统和低温循环冷却系统组成。根据主机系统配置不同，相关散热器数量略有差异。如对液压传动系统的车辆，高温循环冷却系统中的传动油散热器4就不存在。In view of the requirements of the vehicle's multi-heat source system on the operating temperature characteristics of their respective systems, in order to avoid the high temperature of each system from affecting the high efficiency, energy saving, clean emission and reliable operation of the vehicle system, the present disclosure designs a new combined vehicle dual-cycle cooling system, Realize the efficient cooling and heat dissipation of the heat of each system of the vehicle. The vehicle dual-circulation cooling system consists of a high-temperature circulating cooling system and a low-temperature circulating cooling system. Depending on the host system configuration, the number of related radiators is slightly different. For example, for vehicles with hydraulic transmission systems, the transmission oil radiator 4 in the high temperature circulating cooling system does not exist.

Claims (6)

  1. 一种车辆双循环冷却系统，包括高温循环冷却系统和低温循环冷却系统，并且在冷却空气冷却流动路径上由低温散热器(7)与液压油散热器(6)并联，再与高温散热器(5)串联，进而组合构成前后两排布置散热器的组合方式；A dual-circulation cooling system for vehicles, including a high-temperature circulating cooling system and a low-temperature circulating cooling system, and a low-temperature radiator (7) is connected in parallel with a hydraulic oil radiator (6) on the cooling air flow path, and then connected with the high-temperature radiator ( 5) In series, and then combined to form a combination of two rows of front and rear radiators;
    所述的高温循环冷却系统包括发动机(1)、发动机水泵(2)、传动油散热器(4)和高温散热器(5)；The high temperature circulating cooling system includes an engine (1), an engine water pump (2), a transmission oil radiator (4) and a high temperature radiator (5);
    所述发动机水泵(2)驱使高温循环冷却系统中冷却液流动；The engine water pump (2) drives the coolant flow in the high-temperature circulating cooling system;
    高温循环冷却系统中冷却液先流经发动机(1)机体内冷却腔获得发动机冷却系统热量、再流经传动油散热器(4)获得车辆传动系统热量；The coolant in the high-temperature circulating cooling system first flows through the cooling cavity in the engine (1) to obtain the heat of the engine cooling system, and then flows through the transmission oil radiator (4) to obtain the heat of the vehicle transmission system;
    高温循环冷却系统中冷却液热量在高温散热器(5)中与流动的冷却空气实现热交换；In the high temperature circulating cooling system, the heat of the coolant is exchanged with the flowing cooling air in the high temperature radiator (5);
    所述的低温循环冷却系统包括低温散热器(7)、低温循环泵(9)、水冷中冷器(8)；The low-temperature circulation cooling system includes a low-temperature radiator (7), a low-temperature circulation pump (9), and a water-cooled intercooler (8);
    低温循环冷却液由低温循环泵(9)驱动流动；The low-temperature circulating coolant is driven to flow by the low-temperature circulating pump (9);
    低温循环冷却系统中冷却液经低温散热器(7)后，流经水冷中冷器(8)获得发动机增压空气热量；The coolant in the low-temperature circulating cooling system passes through the low-temperature radiator (7), and then flows through the water-cooled intercooler (8) to obtain the engine supercharged air heat;
    低温循环冷却系统中冷却液热量在低温散热器(7)中与流动的冷却空气实现热交换；In the low-temperature circulating cooling system, the heat of the coolant is exchanged with the flowing cooling air in the low-temperature radiator (7);
    与低温散热器(7)并列布置有车辆液压系统液压油散热器(6)，在冷却空气冷却流动路径上，又串联布置了高温散热器(5)，由这3个散热器的串并联组合，实现在冷却空气冷却流动路径上的前后两排布置散热器的组合方式；The hydraulic oil radiator (6) of the vehicle hydraulic system is arranged in parallel with the low-temperature radiator (7), and the high-temperature radiator (5) is arranged in series on the cooling flow path of the cooling air. The series-parallel combination of these 3 radiators , To realize the combination mode of arranging radiators in the front and back rows of the cooling air cooling flow path;
    冷却空气在冷却风扇驱动下流动，冷却空气先流经低温循环冷却系统中的低温散热器(7)和液压系统液压油散热器(6)，分别将低温循环冷却系统中冷却液热量与冷却空气实现热交换、液压系统液压油热量与冷却空气实现热交换，然后冷却空气再流经高温循环冷却系统中的高温散热器(5)，将高温循环冷却系统中冷却液热量与冷却空气实现热交换。The cooling air flows under the drive of the cooling fan. The cooling air first flows through the low-temperature radiator (7) and the hydraulic oil radiator (6) in the low-temperature circulating cooling system to separate the heat of the coolant from the cooling air in the low-temperature circulating cooling system. The heat exchange is realized, the heat of the hydraulic oil of the hydraulic system and the cooling air are exchanged, and then the cooling air flows through the high-temperature radiator (5) in the high-temperature circulating cooling system to exchange the heat of the coolant in the high-temperature circulating cooling system with the cooling air .
  2. 一种车辆双循环冷却系统，包括高温循环冷却系统和低温循环冷却系统，所述高温循环冷却系统包括高温散热器(5)，所述低温循环冷却系统包括低温散热器 (7)，并且在冷却空气冷却流动路径上由低温散热器(7)与液压油散热器(6)并联，再与高温散热器(5)串联，进而组合构成前后两排布置散热器的组合方式。A dual-circulation cooling system for a vehicle, comprising a high-temperature circulating cooling system and a low-temperature circulating cooling system. The high-temperature circulating cooling system includes a high-temperature radiator (5), and the low-temperature circulating cooling system includes a low-temperature radiator (7). On the air cooling flow path, a low-temperature radiator (7) is connected in parallel with a hydraulic oil radiator (6), and then connected in series with a high-temperature radiator (5) to form a combination of two rows of front and rear radiators.
  3. 根据权利要求2所述的车辆双循环冷却系统，其特征在于：The vehicle dual-cycle cooling system according to claim 2, characterized in that:
    冷却空气在冷却风扇驱动下流动，冷却空气先流经低温循环冷却系统中的低温散热器(7)和液压系统液压油散热器(6)，再流经高温循环冷却系统中的高温散热器(6)，将低温循环冷却系统中冷却液热量与冷却空气实现热交换、液压系统液压油热量与冷却空气实现热交换、高温循环冷却系统中冷却液热量与冷却空气实现热交换。The cooling air flows under the driving of the cooling fan. The cooling air first flows through the low-temperature radiator (7) in the low-temperature circulation cooling system and the hydraulic oil radiator (6) in the hydraulic system, and then flows through the high-temperature radiator ( 6) The heat of the coolant in the low-temperature circulating cooling system is exchanged with the cooling air, the heat of the hydraulic oil in the hydraulic system is exchanged with the cooling air, and the heat of the coolant in the high-temperature circulating cooling system is exchanged with the cooling air.
  4. 根据权利要求2所述的车辆双循环冷却系统，其特征在于：The vehicle dual-cycle cooling system according to claim 2, characterized in that:
    所述的发动机增压空气的冷却在低温循环冷却系统中的水冷中冷器(8)中实现；低温循环冷却系统中冷却液经低温散热器(7)后流经水冷中冷器(8)，冷却增压空气的温度，减少增压空气压力损失，保障发动机增压空气进入燃烧室的状态要求。The cooling of the engine supercharged air is realized in the water-cooled intercooler (8) in the low-temperature circulating cooling system; the coolant in the low-temperature circulating cooling system passes through the low-temperature radiator (7) and then flows through the water-cooled intercooler (8) , Cool the temperature of the charge air, reduce the pressure loss of the charge air, and ensure the state requirements of the engine charge air entering the combustion chamber.
  5. 根据权利要求2所述的车辆双循环冷却系统，其特征在于：The vehicle dual-cycle cooling system according to claim 2, characterized in that:
    所述的高温循环冷却系统包括发动机(1)、发动机水泵(2)、传动油散热器(4)和所述高温散热器(5)；The high temperature circulating cooling system includes an engine (1), an engine water pump (2), a transmission oil radiator (4) and the high temperature radiator (5);
    所述发动机水泵(2)驱使高温循环冷却系统中冷却液流动；The engine water pump (2) drives the coolant flow in the high-temperature circulating cooling system;
    高温循环冷却系统中冷却液先流经发动机(1)机体内冷却腔获得发动机冷却系统热量、再流经传动油散热器(4)获得车辆传动系统热量；The coolant in the high-temperature circulating cooling system first flows through the cooling cavity in the engine (1) to obtain the heat of the engine cooling system, and then flows through the transmission oil radiator (4) to obtain the heat of the vehicle transmission system;
    高温循环冷却系统中冷却液热量在高温散热器(5)中与流动的冷却空气实现热交换。In the high-temperature circulating cooling system, the heat of the coolant is exchanged with the flowing cooling air in the high-temperature radiator (5).
  6. 根据权利要求2所述的车辆双循环冷却系统，其特征在于：The vehicle dual-cycle cooling system according to claim 2, characterized in that:
    所述的低温循环冷却系统包括所述低温散热器(7)、低温循环泵(9)、水冷中冷器(8)；The low-temperature circulation cooling system includes the low-temperature radiator (7), a low-temperature circulation pump (9), and a water-cooled intercooler (8);
    低温循环冷却液由低温循环泵(9)驱动流动；The low-temperature circulating coolant is driven to flow by the low-temperature circulating pump (9);
    低温循环冷却系统中冷却液经低温散热器(7)后，流经水冷中冷器(8)获得发动机增压空气热量；The coolant in the low-temperature circulating cooling system passes through the low-temperature radiator (7), and then flows through the water-cooled intercooler (8) to obtain the engine supercharged air heat;
    低温循环冷却系统中冷却液热量在低温散热器(7)中与流动的冷却空气实现热交换。In the low-temperature circulating cooling system, the heat of the coolant is exchanged with the flowing cooling air in the low-temperature radiator (7).
PCT/CN2019/128698 2019-05-24 2019-12-26 Two-cycle vehicle cooling system having novel combination configuration WO2020238193A1 (en)

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Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110173336A (en) * 2019-05-24 2019-08-27 吉林大学 A kind of vehicle dual cycle cooling system of Combination nova
CN110549840B (en) * 2019-09-04 2020-09-18 江苏徐工工程机械研究院有限公司 Electric transmission engineering machinery cooling system and control method and control device thereof
CN110725741A (en) * 2019-10-15 2020-01-24 吉林大学 Vehicle dual-cycle cooling system combined in parallel
CN110985186A (en) * 2019-12-16 2020-04-10 吉林大学 Vehicle dual-circulation cooling system with multiple radiators arranged in single layer
CN112389274B (en) * 2020-11-24 2022-03-25 浙江吉利控股集团有限公司 Cooling module for vehicle and vehicle
RU205965U1 (en) * 2020-12-21 2021-08-12 Акционерное общество "Научно-исследовательский институт двигателей" INTERNAL COMBUSTION ENGINE RADIATOR BLOCK

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201865744U (en) * 2010-11-12 2011-06-15 重庆潍柴发动机厂 Closed type circulating and cooling system of diesel engine
CN103696846A (en) * 2014-01-06 2014-04-02 吉林大学 Water-cooling heat dissipation module system of engineering vehicle
CN107882624A (en) * 2017-12-19 2018-04-06 吉林大学 Engineering truck dual cycle cooling system
US20190120118A1 (en) * 2017-10-25 2019-04-25 Hyundai Motor Company Cooling circuit for vehicles
CN110173336A (en) * 2019-05-24 2019-08-27 吉林大学 A kind of vehicle dual cycle cooling system of Combination nova

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201865744U (en) * 2010-11-12 2011-06-15 重庆潍柴发动机厂 Closed type circulating and cooling system of diesel engine
CN103696846A (en) * 2014-01-06 2014-04-02 吉林大学 Water-cooling heat dissipation module system of engineering vehicle
US20190120118A1 (en) * 2017-10-25 2019-04-25 Hyundai Motor Company Cooling circuit for vehicles
CN107882624A (en) * 2017-12-19 2018-04-06 吉林大学 Engineering truck dual cycle cooling system
CN110173336A (en) * 2019-05-24 2019-08-27 吉林大学 A kind of vehicle dual cycle cooling system of Combination nova

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