WO2021073057A1 - Système de refroidissement à double circulation de véhicule, et véhicule - Google Patents

Système de refroidissement à double circulation de véhicule, et véhicule Download PDF

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Publication number
WO2021073057A1
WO2021073057A1 PCT/CN2020/084114 CN2020084114W WO2021073057A1 WO 2021073057 A1 WO2021073057 A1 WO 2021073057A1 CN 2020084114 W CN2020084114 W CN 2020084114W WO 2021073057 A1 WO2021073057 A1 WO 2021073057A1
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WO
WIPO (PCT)
Prior art keywords
cooling
cooling system
vehicle
engine
radiator
Prior art date
Application number
PCT/CN2020/084114
Other languages
English (en)
Chinese (zh)
Inventor
秦四成
李克锋
Original Assignee
吉林大学
聊城市德通交通器材制造有限公司
Priority date (The priority date 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 date listed.)
Filing date
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 WO2021073057A1 publication Critical patent/WO2021073057A1/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
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • 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
    • 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
    • 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
    • F16H57/0413—Controlled cooling or heating of lubricant; Temperature control therefor
    • 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 is based on the application with the CN application number 201910975641.1 and the filing date of October 15, 2019, and claims its priority.
  • the disclosure of the CN application is hereby incorporated into the present disclosure as a whole.
  • 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.
  • Vehicles especially engineering vehicles, must meet various functional requirements such as driving and operation.
  • Vehicle systems have many heat sources, such as engine cooling system heat source, engine boost air heat source, vehicle transmission system heat source, vehicle hydraulic system heat source, etc., depending on the host system configuration ,
  • the vehicle heat source is different.
  • the vehicle cooling system is an important system that guarantees the temperature requirements of the engine cooling system coolant in the vehicle system, the temperature requirements of the engine charge air cooling, the temperature requirements of the transmission oil of the vehicle transmission system, and the temperature requirements of the hydraulic oil of the vehicle hydraulic system.
  • the vehicle system is highly energy-efficient, clean emission, and reliable.
  • the traditional vehicle cooling system 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 cabin, and it is difficult to balance the operating temperature requirements of the various systems of the vehicle.
  • Existing vehicles have problems such as low heat dissipation efficiency of the cooling system, large structural size, and high heat dissipation and energy consumption.
  • the present disclosure is directed to a vehicle dual-cycle cooling system and a vehicle that improve one or more of the above-mentioned defects in the prior art.
  • the present disclosure provides a dual-cycle cooling system for a vehicle, including:
  • the cooling circuit of the engine cooling system is provided with an engine, an engine water pump and a first radiator, wherein the engine water pump is arranged to drive the coolant to circulate in the cooling circuit of the engine cooling system, so that the cooling system of the engine has been obtained
  • the heat of the cooling liquid is exchanged with the cooling air in the first radiator;
  • the cooling circuit of the charge air cooling system is provided with a second radiator, a circulation pump and an intercooler, wherein the circulation pump is set to drive the coolant to circulate in the cooling circuit of the charge air cooling system , So that the coolant that has obtained the heat of the charge air in the intercooler exchanges heat with the cooling air in the second radiator; and the cooling circuit of the engine cooling system and the cooling circuit of the charge air cooling system are independent of each other , And the first radiator and the second radiator are arranged side by side in a direction perpendicular to the flow direction of the cooling air.
  • the vehicle dual-cycle cooling system includes the radiator of the vehicle hydraulic system, and the vehicle hydraulic system
  • the radiator is configured to exchange heat between the hydraulic oil of the vehicle hydraulic system and the cooling air.
  • the vehicle hydraulic system is configured to exchange heat between the hydraulic oil of the vehicle hydraulic system and the cooling air.
  • the radiator, the first radiator and the second radiator are arranged side by side in a direction perpendicular to the flow direction of the cooling air.
  • a fourth radiator is provided in the cooling circuit of the engine cooling system, and the fourth radiator is configured so that the transmission oil of the vehicle transmission system and the coolant in the cooling circuit of the engine cooling system realize heat therein. exchange.
  • the vehicle dual-circulation cooling system is also provided with a fan, and the fan is used to provide cooling air.
  • the present disclosure also provides a vehicle including the above-mentioned vehicle dual-cycle cooling system.
  • the vehicle is a construction vehicle.
  • Fig. 1 is a diagram of a dual-cycle cooling system for a vehicle according to an embodiment of the present disclosure
  • the present disclosure provides a dual-cycle cooling system for a vehicle, including an engine cooling system 10 and a charge air cooling system 20.
  • the engine cooling system 10 mainly solves the cooling of the engine 1 coolant
  • the charge air cooling system 20 mainly solves the engine 1. Cooling of charge air.
  • the cooling circuit of the engine cooling system 10 is provided with an engine 1, an engine water pump 2 and a first radiator 5.
  • the coolant is driven by the engine water pump 2 to circulate in the cooling circuit, and the coolant flows through the cooling cavity of the engine 1 to obtain the heat of the engine cooling system, so that the engine 1 is cooled.
  • the cooling liquid realizes heat exchange with the cooling air in the first radiator 5.
  • the cooling circuit of the charge air cooling system 20 is provided with a second radiator 7, a circulation pump 9, and an intercooler 8.
  • the circulation pump 9 is driven by the engine machinery or electric energy, and the coolant is driven by the circulation pump 9 to cool the charge air.
  • the system 20 circulates in the cooling circuit.
  • the coolant flows through the intercooler 8 and exchanges heat with the supercharged air of the engine, obtains heat from the supercharged air, and the coolant exchanges heat with the cooling air in the second radiator 7 While being cooled, the flow direction of the supercharged air is denoted by B.
  • the coolant in the charge air cooling system 20 flows through the intercooler 8 after passing through the second radiator 7 to cool the charge air of the engine 1, reduce the flow space volume of the charge air, reduce the pressure loss of the charge air, and increase
  • the supercharged air pressure ensures that the supercharged air of the engine 1 enters the combustion chamber of the engine. Improve the engine combustion effect, improve vehicle performance, reduce fuel consumption, and reduce emission indicators.
  • the cooling circuit of the engine cooling system 10 and the cooling circuit of the charge air cooling system 20 are independent of each other, that is, they are independent of each other in fluid flow, and the first radiator 5 of the engine cooling system 10 and the charge air are cooled
  • the second radiators 7 of the system 20 are arranged side by side in a direction perpendicular to the flow direction of the cooling air. Since the first radiator 5 and the second radiator 7 are arranged side by side in a direction perpendicular to the flow direction of the cooling air, the cooling air will enter the first radiator 5 and the second radiator 7 at the same time. At the same time, it realizes the heat exchange between the engine cooling system and the increased air cooling system. In this way, the thermal efficiency is improved, the heat dissipation efficiency of the cooling air is improved, and the energy consumption of the vehicle cooling system is reduced.
  • the intercooler 8 is a water-cooled intercooler.
  • the vehicle dual-cycle cooling system further includes a fan 30, the cooling air is provided by the fan 30, the flow direction of the cooling air before the heat exchange is represented by C, and the flow direction of the cooling air after the heat exchange is represented by D.
  • the engine cooling system 10 can also cool the transmission oil of the vehicle transmission system at the same time.
  • the cooling circuit of the engine cooling system 10 is provided with the fourth radiator 4 of the vehicle transmission system.
  • the coolant in the cooling circuit of the engine cooling system 10 realizes heat exchange in the fourth radiator 4, thereby cooling the vehicle transmission system.
  • the flow direction of the transmission oil of the vehicle transmission system is represented by A.
  • the vehicle dual-cycle cooling system includes a third radiator 6 for the vehicle hydraulic system.
  • the third radiator 6 of the vehicle hydraulic system is configured to exchange heat between the hydraulic oil of the vehicle hydraulic system and the cooling air.
  • the third radiator 6, the first radiator 5, and the second radiator 7 used in the vehicle hydraulic system are arranged side by side in a direction perpendicular to the flow direction of the cooling air. Since the first radiator 5, the second radiator 7 and the third radiator 6 of the vehicle hydraulic system are arranged side by side in a direction perpendicular to the flow direction of the cooling air, the cooling air will enter the first radiator 5 and the second radiator at the same time.
  • the second radiator 7 and the third radiator 6 of the vehicle hydraulic system make it possible to simultaneously realize the heat exchange of the engine cooling system, the increased air cooling system and the vehicle hydraulic system.
  • the present disclosure realizes efficient cooling and heat dissipation of the heat of each system of the vehicle, and the number of related radiators can be different according to the configuration of the host system.

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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)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)

Abstract

La présente invention concerne un système de refroidissement à double circulation de véhicule, comprenant un système de refroidissement de moteur (10) et un système de refroidissement d'air de charge (20). Un circuit de refroidissement du système de refroidissement de moteur (10) est pourvu d'un moteur (1), d'une pompe à eau de moteur (2), et d'un premier dissipateur de chaleur (5) ; la pompe à eau de moteur (2) est conçue pour entraîner un liquide de refroidissement à circuler et à s'écouler dans le circuit de refroidissement du système de refroidissement de moteur, de telle sorte que le liquide de refroidissement obtenant la chaleur du moteur (1) réalise un échange de chaleur avec de l'air de refroidissement dans le premier dissipateur de chaleur (5) ; un circuit de refroidissement du système de refroidissement d'air de charge (20) est pourvu d'un second dissipateur de chaleur (7), d'une pompe de circulation (9), et d'un refroidisseur intermédiaire (8) ; la pompe de circulation (9) est conçue pour entraîner le liquide de refroidissement à circuler et à s'écouler dans le circuit de refroidissement du système de refroidissement d'air de charge, de telle sorte que le liquide de refroidissement obtenant la chaleur de l'air de charge dans le refroidisseur intermédiaire (8) réalise un échange de chaleur avec de l'air de refroidissement dans le second dissipateur de chaleur (7) ; le circuit de refroidissement du système de refroidissement de moteur (10) et celui du système de refroidissement d'air de charge (20) sont indépendants l'un de l'autre, et le premier dissipateur de chaleur (5) et le second dissipateur de chaleur (7) sont agencés en parallèle dans une direction perpendiculaire à la direction d'écoulement de l'air de refroidissement. Le système de refroidissement réalise simultanément l'échange de chaleur du système de refroidissement de moteur et du système de refroidissement d'air de charge dans la direction d'écoulement de l'air de refroidissement, améliore l'efficacité thermique et l'efficacité de dissipation de chaleur de l'air de refroidissement, et réduit la consommation d'énergie d'un système de refroidissement de véhicule.
PCT/CN2020/084114 2019-10-15 2020-04-10 Système de refroidissement à double circulation de véhicule, et véhicule WO2021073057A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910975641.1 2019-10-15
CN201910975641.1A CN110725741A (zh) 2019-10-15 2019-10-15 一种并联组合的车辆双循环冷却系统

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114521809A (zh) * 2022-01-25 2022-05-24 宁波曼华电器有限公司 一种双循环冷却空气炸锅

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN115288840A (zh) * 2022-06-20 2022-11-04 山推工程机械股份有限公司 一种基于热管的新型推土机热管理系统

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FR2914694A1 (fr) * 2007-04-05 2008-10-10 Renault Sas Systeme de gestion des echanges thermiques d'un moteur de vehicule automobile
JP2017122425A (ja) * 2016-01-08 2017-07-13 トヨタ自動車株式会社 過給機付き内燃機関の制御装置
CN109252990A (zh) * 2018-09-30 2019-01-22 天津大学 满足汽油压燃全工况对进气温度要求的进气温度控制系统
CN110145391A (zh) * 2019-04-02 2019-08-20 中国北方发动机研究所(天津) 一种混合动力多循环冷却系统
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114521809A (zh) * 2022-01-25 2022-05-24 宁波曼华电器有限公司 一种双循环冷却空气炸锅

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