WO2020238193A1 - Système de refroidissement de véhicule à deux temps doté d'une nouvelle configuration de combinaison - Google Patents

Système de refroidissement de véhicule à deux temps doté d'une nouvelle configuration de combinaison 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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WO
WIPO (PCT)
Prior art keywords
temperature
low
cooling system
radiator
cooling
Prior art date
Application number
PCT/CN2019/128698
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English (en)
Chinese (zh)
Inventor
秦四成
李克锋
赵峰
Original Assignee
吉林大学
聊城市德通交通器材制造有限公司
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Publication date
Application filed by 吉林大学, 聊城市德通交通器材制造有限公司 filed Critical 吉林大学
Publication of WO2020238193A1 publication Critical patent/WO2020238193A1/fr

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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

L'invention concerne un système de refroidissement de véhicule à deux temps, comprenant un système de refroidissement à cycle à haute température et un système de refroidissement à cycle à basse température. Le système de refroidissement à cycle haute température est principalement constitué d'un moteur (1), d'une pompe à eau de moteur (2), d'un radiateur d'huile de transmission (4) et d'un radiateur haute température (5). Le système de refroidissement à cycle basse température est principalement constitué d'un radiateur basse température (7), d'une pompe à cycle basse température (9) et d'un refroidisseur intermédiaire de refroidissement d'eau (8). Le présent système facilite l'échange de chaleur avec l'air de refroidissement, réduit le nombre de radiateurs, réduit les coûts de fabrication des systèmes de refroidissement, améliore l'efficacité de dissipation de chaleur de l'air de refroidissement, et réduit la consommation d'énergie de systèmes de refroidissement de véhicule.
PCT/CN2019/128698 2019-05-24 2019-12-26 Système de refroidissement de véhicule à deux temps doté d'une nouvelle configuration de combinaison WO2020238193A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910441600.4A CN110173336A (zh) 2019-05-24 2019-05-24 一种新组合的车辆双循环冷却系统
CN201910441600.4 2019-05-24

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WO2020238193A1 true WO2020238193A1 (fr) 2020-12-03

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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 (zh) * 2019-05-24 2019-08-27 吉林大学 一种新组合的车辆双循环冷却系统
CN110549840B (zh) * 2019-09-04 2020-09-18 江苏徐工工程机械研究院有限公司 一种电传动工程机械冷却系统及其控制方法、控制装置
CN110725741A (zh) * 2019-10-15 2020-01-24 吉林大学 一种并联组合的车辆双循环冷却系统
CN110985186A (zh) * 2019-12-16 2020-04-10 吉林大学 一种多散热器单层布置的车辆双循环冷却系统
CN112389274B (zh) * 2020-11-24 2022-03-25 浙江吉利控股集团有限公司 一种用于车辆的冷却模块及车辆
RU205965U1 (ru) * 2020-12-21 2021-08-12 Акционерное общество "Научно-исследовательский институт двигателей" Блок радиаторов двигателя внутреннего сгорания

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CN201865744U (zh) * 2010-11-12 2011-06-15 重庆潍柴发动机厂 一种柴油机闭式循环冷却系统
CN103696846A (zh) * 2014-01-06 2014-04-02 吉林大学 一种工程车辆水冷散热模块系统
CN107882624A (zh) * 2017-12-19 2018-04-06 吉林大学 工程车辆双循环冷却系统
US20190120118A1 (en) * 2017-10-25 2019-04-25 Hyundai Motor Company Cooling circuit for vehicles
CN110173336A (zh) * 2019-05-24 2019-08-27 吉林大学 一种新组合的车辆双循环冷却系统

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201865744U (zh) * 2010-11-12 2011-06-15 重庆潍柴发动机厂 一种柴油机闭式循环冷却系统
CN103696846A (zh) * 2014-01-06 2014-04-02 吉林大学 一种工程车辆水冷散热模块系统
US20190120118A1 (en) * 2017-10-25 2019-04-25 Hyundai Motor Company Cooling circuit for vehicles
CN107882624A (zh) * 2017-12-19 2018-04-06 吉林大学 工程车辆双循环冷却系统
CN110173336A (zh) * 2019-05-24 2019-08-27 吉林大学 一种新组合的车辆双循环冷却系统

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