CN110725741A - Vehicle dual-cycle cooling system combined in parallel - Google Patents
Vehicle dual-cycle cooling system combined in parallel Download PDFInfo
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- CN110725741A CN110725741A CN201910975641.1A CN201910975641A CN110725741A CN 110725741 A CN110725741 A CN 110725741A CN 201910975641 A CN201910975641 A CN 201910975641A CN 110725741 A CN110725741 A CN 110725741A
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- Prior art keywords
- cooling
- temperature
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- radiator
- vehicle
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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
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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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
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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
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- 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
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- 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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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
The invention belongs to the technical field of vehicle cooling and heat dissipation, and relates to a parallel combined vehicle dual-cycle cooling system; the vehicle cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein a high-temperature radiator, a low-temperature radiator and a vehicle hydraulic system hydraulic oil radiator are arranged on a cooling air cooling flow path in parallel in a single row, and a vehicle heat source and cooling air are subjected to heat exchange; the high-temperature circulating cooling system mainly comprises an engine, an engine water pump, a transmission oil radiator and a high-temperature radiator; the low-temperature circulating cooling system mainly comprises a low-temperature radiator, a low-temperature circulating pump and a water-cooled intercooler; the invention integrates the working temperature requirements of each system of the vehicle, meets the cooling and heat dissipation requirements of each heat source, realizes the heat exchange between the heat of each system of the vehicle and the cooling air, reduces the number of radiators, simplifies the radiator structure, reduces the manufacturing cost of the cooling system, improves the heat dissipation efficiency of the cooling air and reduces the energy consumption of the cooling system of the vehicle.
Description
Technical Field
The invention belongs to the technical field of vehicle cooling and heat dissipation, and relates to a parallel combined vehicle dual-circulation cooling system which is suitable for a high-efficiency heat dissipation mode with a plurality of heat source systems and large heat dissipation requirements of a vehicle.
Background
Modern vehicles, particularly engineering vehicles, need to meet various functional requirements of running, operation and the like, vehicle systems have various heat sources, such as an engine cooling system heat source, an engine supercharged air heat source, a vehicle transmission system heat source, a vehicle hydraulic system heat source and the like, and the vehicle heat sources are slightly different according to different host system configurations. The vehicle cooling system is a key system for ensuring the temperature requirements of cooling liquid of an engine cooling system, the cooling temperature requirements of engine charge air, transmission oil of a vehicle transmission system and the temperature requirements of hydraulic oil of a vehicle hydraulic system in the vehicle system, and determines the high-efficiency, energy-saving, clean emission and reliable work of the vehicle system. The traditional vehicle cooling system is limited by the size characteristics of a fan, driving characteristics and noise, is limited by a multi-radiator combination mode, is limited by a power cabin space form, and is difficult to efficiently and reliably balance the working temperature requirements of various systems of a vehicle.
Disclosure of Invention
The invention aims to solve the technical problems of low heat dissipation efficiency, large structural size, high heat dissipation energy consumption and the like of a vehicle cooling system in the prior art, and provides a vehicle dual-circulation cooling system combined in parallel, which is suitable for the high-efficiency heat dissipation requirement of a vehicle multi-heat-source system.
In order to solve the technical problems, the invention is realized by adopting the following technical scheme, which is described by combining the accompanying drawings as follows:
a vehicle dual-cycle cooling system combined in parallel comprises a high-temperature cycle cooling system and a low-temperature cycle cooling system. A high-temperature radiator 5, a low-temperature radiator 7 and a vehicle hydraulic system hydraulic oil radiator 6 are arranged in parallel on a cooling air cooling flow path in a single row, and heat exchange is realized between a vehicle heat source and cooling air;
the high-temperature circulating cooling system mainly comprises an engine 1, an engine water pump 2, a transmission oil radiator 4 and a high-temperature radiator 5;
the engine water pump 2 drives cooling liquid in the high-temperature circulating cooling system to flow;
in the high-temperature circulating cooling system, cooling liquid firstly flows through an internal cooling cavity of an engine body of an engine 1 to obtain heat of an engine cooling system, and then flows through a transmission oil radiator 4 to obtain heat of a vehicle transmission system;
the heat of the cooling liquid in the high-temperature circulating cooling system is exchanged with the flowing cooling air in the high-temperature radiator 5;
the low-temperature circulating cooling system mainly comprises a low-temperature radiator 7, a low-temperature circulating pump 9 and a water-cooled intercooler 8;
the low-temperature circulating cooling liquid is driven to flow by a low-temperature circulating pump 9.
After passing through a low-temperature radiator 7, cooling liquid in the low-temperature circulating cooling system flows through a water-cooled intercooler 8 to obtain the heat of the engine supercharged air;
the heat of the cooling liquid in the low-temperature circulating cooling system is exchanged with the flowing cooling air in the low-temperature radiator 7.
According to the technical scheme, a high-temperature radiator 5, a low-temperature radiator 7 and a hydraulic oil radiator 6 of a vehicle hydraulic system are sequentially arranged and combined in a single-row parallel mode, and the three radiators can be arranged and combined in an up-down parallel mode or in a left-right parallel mode according to the space characteristics of a power compartment of a vehicle.
The cooling air flows under the driving of the moving speed of the vehicle and the cooling fan in the technical scheme, the cooling air flows through the high-temperature radiator 5, the low-temperature radiator 7 and the hydraulic system hydraulic oil radiator 6 which are arranged and combined in parallel of the vehicle, the heat of the cooling liquid in the high-temperature circulating cooling system is subjected to heat exchange with the cooling air in the high-temperature radiator 5, the heat of the cooling liquid in the low-temperature circulating cooling system is subjected to heat exchange with the cooling air in the low-temperature radiator 7, and the heat of the hydraulic system hydraulic oil is subjected to heat exchange with the cooling air in the hydraulic oil radiator 6.
According to the technical scheme, the cooling of the engine charge air is realized in a water-cooled intercooler 8 in a low-temperature circulating cooling system, cooling liquid in the low-temperature circulating cooling system flows through the water-cooled intercooler 8 after passing through a low-temperature radiator 7, the temperature of the charge air is cooled, the flow space volume of the charge air is reduced, the charge air pressure loss is reduced, and the condition requirement that the engine charge air enters a combustion chamber is met.
Compared with the prior art, the invention has the beneficial effects that:
the vehicle dual-circulation cooling system combined in parallel comprehensively meets the requirements of the working temperature of each system of the vehicle, the cooling heat dissipation requirements of each heat source are met, cooling air flows through the high-temperature radiator 5, the low-temperature radiator 7 and the hydraulic oil radiator 6 which are combined in parallel in a single row, the heat exchange between the heat of each system of the vehicle and the cooling air is realized, the number of radiators is reduced, the structure of the radiators is simplified, the manufacturing cost of the cooling system is reduced, the heat dissipation efficiency of the cooling air is improved, and the energy consumption of the vehicle cooling system is reduced.
The cooling of the engine charge air is realized in the water-cooled intercooler 8, the volume of a charge air radiator is reduced, the charge air flow resistance is reduced, the charge air pressure is improved, the combustion effect of the engine is improved, the vehicle performance is improved, and the emission index is reduced.
Drawings
The invention is further described with reference to the accompanying drawings in which:
FIG. 1 is a diagram of a parallel combined vehicle dual cycle cooling system of the present invention;
in the figure: 1. the system comprises an engine, 2, an engine water pump, 3, an engine thermostat, 4, a transmission oil radiator, 5, a high-temperature radiator, 6, a hydraulic oil radiator, 7, a low-temperature radiator, 8, a water-cooled intercooler, 9 and a low-temperature circulating pump;
a represents the inlet and outlet of transmission oil; b represents charge air in and out; c represents the cold air flow direction; d represents the hot air flow direction.
Detailed Description
The invention is described in detail below with reference to the attached drawing figures:
referring to fig. 1, the vehicle dual-circulation cooling system of the parallel combination of the present invention includes a high temperature circulation cooling system and a low temperature circulation cooling system, wherein the high temperature circulation cooling system mainly solves the cooling of the engine coolant and the cooling of the transmission oil of the vehicle transmission system, the low temperature circulation cooling system mainly solves the cooling of the engine charge air, and the heat of the hydraulic oil of the vehicle hydraulic system is cooled in the hydraulic oil radiator. According to the specific requirements of the heat source of the corresponding system of the vehicle, a high-temperature radiator, a low-temperature radiator and a hydraulic oil radiator are arranged on the cooling air cooling flow path in a single-row parallel combination mode, and heat exchange between the related heat source of the vehicle and cooling air is achieved.
The high-temperature circulating cooling system mainly comprises an engine 1, an engine water pump 2, an engine thermostat 3, a transmission oil radiator 4 and a high-temperature radiator 5, wherein high-temperature circulating cooling liquid is driven to flow by the engine water pump 2, the high-temperature circulating cooling liquid firstly flows through an internal cooling cavity of the engine to obtain heat of the engine cooling system, the high-temperature circulating cooling liquid then flows through the transmission oil radiator to obtain heat of the transmission system, and the high-temperature circulating cooling liquid realizes heat exchange with cooling air in the high-temperature radiator 5.
The low-temperature circulating cooling system mainly comprises a low-temperature radiator 7, a low-temperature circulating pump 9 and a water-cooled intercooler 8, wherein the low-temperature circulating pump 8 is driven by mechanical energy or electric energy of an engine to work, low-temperature circulating cooling liquid is driven by the low-temperature circulating pump 9 to flow, the low-temperature circulating cooling liquid flows through the water-cooled intercooler 8 to obtain the heat of pressurized air, and the low-temperature circulating cooling liquid realizes the heat exchange with cooling air in the low-temperature radiator 7.
The parallel combination is as follows: a high-temperature radiator 5, a low-temperature radiator 7, and a vehicle hydraulic system hydraulic oil radiator 6 are arranged in parallel in a single row on the cooling air cooling flow path.
The cooling air flows under the driving of a cooling fan and the like, and flows through a single-row high-temperature radiator 5, a single-row low-temperature radiator 7 and a hydraulic oil radiator 6 of a vehicle hydraulic system which are arranged in parallel, so that heat exchange between a vehicle heat source and the cooling air is realized.
In the low-temperature circulating cooling system, cooling liquid flows through the water-cooled intercooler 8 after passing through the low-temperature radiator 7, the temperature of engine supercharged air is cooled, the flowing space volume of the supercharged air is reduced, the loss of the supercharged air pressure is reduced, and the condition requirement that the engine supercharged air enters a combustion chamber is met.
Aiming at the requirements of a vehicle multi-heat-source system on the working temperature characteristics of respective systems, in order to avoid the influence of overhigh temperature of each system on the high-efficiency energy-saving, clean emission and reliable work of the vehicle system, the invention designs a vehicle dual-circulation cooling system combined in parallel to realize the high-efficiency cooling and heat dissipation of the heat of each system of the vehicle. Depending on the host system configuration, the number of associated heat sinks varies slightly. For a vehicle with a hydraulic transmission system, the transmission oil radiator 4 in the high temperature circulating cooling system is not present.
Claims (3)
1. A parallel combination vehicle dual cycle cooling system, characterized by: the system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system;
the high-temperature circulating cooling system mainly comprises an engine (1), an engine water pump (2), a transmission oil radiator (4) and a high-temperature radiator (5);
the engine water pump (2) drives cooling liquid in the high-temperature circulating cooling system to flow;
in the high-temperature circulating cooling system, cooling liquid firstly flows through an internal cooling cavity of an engine body of an engine (1) to obtain heat of the engine cooling system and then flows through a transmission oil radiator (4) to obtain heat of a vehicle transmission system;
the heat of the cooling liquid in the high-temperature circulating cooling system is subjected to heat exchange with flowing cooling air in a high-temperature radiator (5);
the low-temperature circulating cooling system mainly comprises a low-temperature radiator (7), a low-temperature circulating pump (9) and a water-cooled intercooler (8);
the low-temperature circulating cooling liquid is driven to flow by a low-temperature circulating pump (9);
after passing through a low-temperature radiator (7), cooling liquid in the low-temperature circulating cooling system flows through a water-cooled intercooler (8) to obtain the heat of the engine supercharged air;
the heat of the cooling liquid in the low-temperature circulating cooling system is exchanged with the flowing cooling air in a low-temperature radiator (7).
A high-temperature radiator (5), a low-temperature radiator (7) and a hydraulic oil radiator (6) of a vehicle hydraulic system are arranged in parallel in a single row on a cooling air cooling flow path;
the cooling air flows under the driving of the moving speed of the vehicle and the cooling fan, the cooling air flows through a high-temperature radiator (5), a low-temperature radiator (7) and a hydraulic system hydraulic oil radiator (6) which are arranged in parallel and combined in a single row of the vehicle, heat exchange between cooling liquid heat in the high-temperature circulating cooling system and the cooling air in the high-temperature radiator (5), heat exchange between the cooling liquid heat in the low-temperature circulating cooling system and the cooling air in the low-temperature radiator (7) and heat exchange between the hydraulic system hydraulic oil heat and the cooling air in the hydraulic oil radiator (6) are respectively realized.
2. A parallel combination vehicular dual cycle cooling system as set forth in claim 1, wherein:
and a high-temperature radiator (5), a low-temperature radiator (7) and a hydraulic oil radiator (6) of a vehicle hydraulic system are arranged in parallel on a cooling air cooling flow path in a single row, and a vehicle heat source and cooling air are subjected to heat exchange.
3. A parallel combination vehicular dual cycle cooling system as set forth in claim 1, wherein:
the cooling of the engine charge air is realized in a water-cooled intercooler (8) in the low-temperature circulating cooling system; in the low-temperature circulating cooling system, cooling liquid flows through a water-cooled intercooler (8) after passing through a low-temperature radiator (7), the temperature of the supercharged air is cooled, the flowing space volume of the supercharged air is reduced, the supercharged air pressure loss is reduced, and the condition requirement that the supercharged air of the engine enters a combustion chamber is met.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910975641.1A CN110725741A (en) | 2019-10-15 | 2019-10-15 | Vehicle dual-cycle cooling system combined in parallel |
| PCT/CN2020/084114 WO2021073057A1 (en) | 2019-10-15 | 2020-04-10 | Vehicle dual-circulating cooling system, and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910975641.1A CN110725741A (en) | 2019-10-15 | 2019-10-15 | Vehicle dual-cycle cooling system combined in parallel |
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| Publication Number | Publication Date |
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| CN110725741A true CN110725741A (en) | 2020-01-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910975641.1A Pending CN110725741A (en) | 2019-10-15 | 2019-10-15 | Vehicle dual-cycle cooling system combined in parallel |
Country Status (2)
| Country | Link |
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| CN (1) | CN110725741A (en) |
| WO (1) | WO2021073057A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021073057A1 (en) * | 2019-10-15 | 2021-04-22 | 吉林大学 | Vehicle dual-circulating cooling system, and vehicle |
| CN114521809A (en) * | 2022-01-25 | 2022-05-24 | 宁波曼华电器有限公司 | Double-circulation cooling air frying pan |
| CN115288840A (en) * | 2022-06-20 | 2022-11-04 | 山推工程机械股份有限公司 | Novel heat management system of bulldozer based on heat pipe |
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| CN115288840A (en) * | 2022-06-20 | 2022-11-04 | 山推工程机械股份有限公司 | Novel heat management system of bulldozer based on heat pipe |
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| WO2021073057A1 (en) | 2021-04-22 |
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Application publication date: 20200124 |