CN110714830A - Three-pump three-cycle vehicle-mounted heat dissipation system - Google Patents
Three-pump three-cycle vehicle-mounted heat dissipation system Download PDFInfo
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- CN110714830A CN110714830A CN201911066778.1A CN201911066778A CN110714830A CN 110714830 A CN110714830 A CN 110714830A CN 201911066778 A CN201911066778 A CN 201911066778A CN 110714830 A CN110714830 A CN 110714830A
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- temperature
- heat dissipation
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- engine
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Classifications
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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
- F01M—LUBRICATING OF MACHINES OR ENGINES IN GENERAL; LUBRICATING INTERNAL COMBUSTION ENGINES; CRANKCASE VENTILATING
- F01M5/00—Heating, cooling, or controlling temperature of lubricant; Lubrication means facilitating engine starting
- F01M5/002—Cooling
-
- 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
- F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02K—DYNAMO-ELECTRIC MACHINES
- H02K9/00—Arrangements for cooling or ventilating
- H02K9/19—Arrangements for cooling or ventilating for machines with closed casing and closed-circuit cooling using a liquid cooling medium, e.g. oil
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/021—Cooling cylinders
-
- 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
- F01P2005/025—Pumping cooling-air; Arrangements of cooling-air pumps, e.g. fans or blowers using two or more air pumps
-
- 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
- F01P2005/105—Using two or more pumps
-
- 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
Abstract
The invention belongs to the technical field of heat dissipation systems, and particularly relates to a three-pump three-cycle vehicle-mounted heat dissipation system which is used for cooling and heat dissipation of a high-power-density engine and an electric drive vehicle. The heat dissipation system comprises three coolant circulation loops, namely an engine high-temperature heat dissipation ring, an engine low-temperature heat dissipation ring and an electric transmission low-temperature heat dissipation ring, wherein coolant of each loop is circularly driven by an independent water pump, and an engine low-temperature ring radiator is juxtaposed with an electric transmission low-temperature ring radiator and then connected with the engine high-temperature ring radiator in series. The high-temperature ring of the engine is separately provided with an expansion water tank, and the low-temperature ring of the engine and the electric transmission low-temperature ring share one expansion water tank for balancing the pressure of the water side of the system and the exhaust and water supplement of the system. Compared with the traditional heat dissipation system, the heat dissipation requirements of a high-power-density engine, multiple heat dissipation sources of an electric drive vehicle and multiple temperature targets can be met.
Description
Technical Field
The invention belongs to the technical field of heat dissipation systems, and particularly relates to a three-pump three-cycle vehicle-mounted heat dissipation system which is used for cooling and heat dissipation of a high-power-density engine and an electric drive vehicle.
Background
With the rapid development of new technologies such as high-power-density engines and electric transmission, the vehicle-mounted heat sources are not only traditional heat sources such as engine coolant, engine oil, pressurized air and transmission oil, but also some electronic devices such as controllers, generators, motors and power converters must be incorporated into the unified management of the heat dissipation system, and the temperature of the electronic heat sources is low and generally needs to be controlled at 70-90 ℃, so that the traditional heat dissipation system is difficult to meet the development of the new technologies, and the design and development of the heat dissipation system must seek new breakthroughs.
Disclosure of Invention
Technical problem to be solved
The technical problem to be solved by the invention is as follows: how to solve the heat dissipation problem of high power density engines and electric vehicles.
(II) technical scheme
In order to solve the technical problems, the invention provides a three-pump three-cycle vehicle-mounted heat dissipation system, which is used for cooling and dissipating heat of a high-power-density engine and an electric transmission vehicle;
the heat dissipation system comprises three cooling liquid circulation loops which are divided into: the engine high-temperature heat dissipation ring, the engine low-temperature heat dissipation ring and the electric transmission low-temperature heat dissipation ring; wherein, the circulation of coolant liquid is accomplished by independent water pump to every coolant liquid circulation loop, and the coolant liquid of each coolant liquid circulation loop is relatively independent, and the cooling air side shares two centrifugal fan.
The vehicle heat source is classified according to the temperature range of normal work of the vehicle heat source, the heat source with higher temperature is planned in the high-temperature heat dissipation ring of the engine of the heat dissipation system, the heat source with lower temperature is planned in the low-temperature loop of the heat dissipation system, and the low-temperature loop can be divided into the low-temperature heat dissipation ring of the engine and the low-temperature heat dissipation ring of electric drive according to the characteristics of the using working conditions of the vehicle, so that the three-pump three-cycle vehicle-mounted heat dissipation system is constructed.
Wherein, the heat transfer parts of once in the high temperature heat ring of engine includes: engine cylinder liner, one-level intercooler.
Wherein, the heat transfer parts of once in the engine low temperature heat dissipation ring includes: second grade intercooler, oil cooler, generator and generator controller.
Wherein, the first heat exchange part in the electric drive low temperature heat dissipation ring comprises: the system comprises a left driving motor, a right driving motor, a motor controller, a transmission oil cooler, a left fan motor, a right fan motor, a fan motor controller and a DC converter.
The high-temperature heat dissipation ring of the engine also comprises a high-temperature water pump;
the low-temperature heat dissipation ring of the engine also comprises a low-temperature water pump;
the high-temperature water pump and the low-temperature water pump are directly driven by an engine, the two water pumps share one driving shaft, and the impellers are arranged back to back.
Wherein, still include in the electric drive low temperature heat dissipation ring: electrically driving the low-temperature water ring pump;
the electric drive low-temperature annular water pump is driven by a motor, so that stepless speed regulation is realized.
The engine high-temperature radiating ring radiator is also arranged in the engine high-temperature radiating ring;
the low-temperature radiating ring radiator of the engine is also arranged in the low-temperature radiating ring of the engine;
the electric drive low-temperature heat dissipation ring also comprises an electric drive low-temperature heat dissipation ring radiator;
the engine low-temperature radiating ring radiator is juxtaposed with the electric drive low-temperature radiating ring radiator and then connected in series with the engine high-temperature radiating ring radiator.
Wherein, an expansion water tank is also independently arranged in the high-temperature radiating ring of the engine.
The engine low-temperature heat dissipation ring and the electric drive low-temperature heat dissipation ring share one expansion water tank and are used for balancing system water side pressure and system exhaust and water supplement.
(III) advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
(1) the invention provides a vehicle-mounted three-pump three-cycle heat dissipation system, which can meet the heat dissipation requirement of a power transmission device with multiple heat sources and multiple temperature targets and provide powerful technical support for new technologies such as high-power-density engines and electric transmission.
(2) The invention provides a vehicle-mounted three-pump three-cycle heat dissipation system, wherein an engine low-temperature ring radiator is juxtaposed with an electric transmission low-temperature ring radiator and then is connected with the engine high-temperature ring radiator in series, and an integral brazing structure is adopted, so that the form is compact, the heat exchange efficiency is high, and the heat dissipation performance is improved by 5% -8% compared with that of a single structure.
(3) The invention provides a vehicle-mounted three-pump three-circulation heat dissipation system, wherein a cooling fan and an electric drive low-temperature ring water pump are electrically driven, and the heat dissipation requirement of silent running (engine stalling and battery power supply) of a vehicle can be met.
(4) The invention provides a vehicle-mounted three-pump three-cycle heat dissipation system.A generator and a controller thereof are synchronous with an engine in use working conditions, so that the generator and the controller thereof are arranged in a low-temperature loop of the engine in a heat dissipation manner.
Drawings
Fig. 1 is a working schematic diagram of a three-pump three-cycle heat dissipation system of the present invention.
Detailed Description
In order to make the objects, contents, and advantages of the present invention clearer, the following detailed description of the embodiments of the present invention will be made in conjunction with the accompanying drawings and examples.
In order to solve the technical problems, the invention provides a three-pump three-cycle vehicle-mounted heat dissipation system, which is used for cooling and dissipating heat of a high-power-density engine and an electric transmission vehicle;
as shown in fig. 1, the heat dissipation system includes three cooling fluid circulation loops, which are divided into: the engine high-temperature heat dissipation ring, the engine low-temperature heat dissipation ring and the electric transmission low-temperature heat dissipation ring; wherein, the circulation of coolant liquid is accomplished by independent water pump to every coolant liquid circulation loop, and the coolant liquid of each coolant liquid circulation loop is relatively independent, and the cooling air side shares two centrifugal fan.
The vehicle heat source is classified according to the temperature range of normal work of the vehicle heat source, the heat source with higher temperature is planned in the high-temperature heat dissipation ring of the engine of the heat dissipation system, the heat source with lower temperature is planned in the low-temperature loop of the heat dissipation system, and the low-temperature loop can be divided into the low-temperature heat dissipation ring of the engine and the low-temperature heat dissipation ring of electric drive according to the characteristics of the using working conditions of the vehicle, so that the three-pump three-cycle vehicle-mounted heat dissipation system is constructed.
Wherein, the heat transfer parts of once in the high temperature heat ring of engine includes: engine cylinder liner, one-level intercooler.
Wherein, the heat transfer parts of once in the engine low temperature heat dissipation ring includes: second grade intercooler, oil cooler, generator and generator controller.
Wherein, the first heat exchange part in the electric drive low temperature heat dissipation ring comprises: the system comprises a left driving motor, a right driving motor, a motor controller, a transmission oil cooler, a left fan motor, a right fan motor, a fan motor controller and a DC converter.
The high-temperature heat dissipation ring of the engine also comprises a high-temperature water pump;
the low-temperature heat dissipation ring of the engine also comprises a low-temperature water pump;
the high-temperature water pump and the low-temperature water pump are directly driven by an engine, the two water pumps share one driving shaft, and the impellers are arranged back to back.
Wherein, still include in the electric drive low temperature heat dissipation ring: electrically driving the low-temperature water ring pump;
the electric drive low-temperature annular water pump is driven by a motor, so that stepless speed regulation is realized.
The engine high-temperature radiating ring radiator is also arranged in the engine high-temperature radiating ring;
the low-temperature radiating ring radiator of the engine is also arranged in the low-temperature radiating ring of the engine;
the electric drive low-temperature heat dissipation ring also comprises an electric drive low-temperature heat dissipation ring radiator;
the engine low-temperature radiating ring radiator is juxtaposed with the electric drive low-temperature radiating ring radiator and then connected in series with the engine high-temperature radiating ring radiator.
Wherein, an expansion water tank is also independently arranged in the high-temperature radiating ring of the engine.
The engine low-temperature heat dissipation ring and the electric drive low-temperature heat dissipation ring share one expansion water tank and are used for balancing system water side pressure and system exhaust and water supplement.
Example 1
In this embodiment, taking a vehicle-mounted three-pump three-cycle cooling system as an example, as shown in fig. 1, a vehicle-mounted three-pump three-cycle cooling system provided in an embodiment of the present invention is used for solving the problem of heat dissipation of a high power density engine and an electric drive vehicle, and includes: the engine high-temperature ring, the engine low-temperature ring and the electric drive low-temperature ring are three cooling liquid circulation loops, each loop completes the circulation of cooling liquid by an independent water pump, the cooling liquid of each loop is relatively independent, and the cooling air side shares two centrifugal fans.
Firstly, vehicle heat sources are classified according to the temperature range of normal work of the vehicle heat sources, the heat source with higher temperature is planned in a high-temperature loop of a heat dissipation system, the heat source with lower temperature is planned in a low-temperature loop of the heat dissipation system, and the low-temperature loop can be divided into an engine low-temperature loop and an electrically-driven low-temperature loop according to the characteristics of the using working conditions of the vehicle, so that a three-pump three-cycle vehicle-mounted heat dissipation system is constructed;
secondly, the high-temperature ring heat exchange part of the engine comprises an engine cylinder sleeve and a primary intercooler; the engine low-temperature ring heat exchange part comprises a machine secondary intercooler, an oil cooler, a generator and a generator controller; the electric drive low-temperature ring heat exchange component comprises a left drive motor, a right drive motor, a motor controller, a drive oil cooler, a left fan motor, a right fan motor, a fan motor controller and a DC converter;
thirdly, each loop completes the circulation of cooling liquid by an independent water pump, the cooling liquid of each loop is relatively independent, and the cooling air side shares two centrifugal fans;
fourthly, the engine low-temperature ring radiator is juxtaposed with the electric transmission low-temperature ring radiator and then is connected with the engine high-temperature ring radiator in series;
fifthly, the cooling fan and the electric drive low-temperature ring water pump are electrically driven, so that the heat dissipation requirement of the vehicle on silent running (engine stalling and battery power supply) can be met; the engine high-temperature water pump and the engine low-temperature ring water pump are directly driven by the engine, the two water pumps share one driving shaft, and impellers are arranged back to back;
and sixthly, the high-temperature ring of the engine is separately provided with an expansion water tank, and the low-temperature ring of the engine and the low-temperature ring of the electric transmission share one expansion water tank for balancing the pressure of the water side of the system and exhausting and replenishing water of the system.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (10)
1. The vehicle-mounted heat dissipation system with the three pumps and the three cycles is characterized in that the vehicle-mounted heat dissipation system is used for cooling and dissipating heat of a high-power-density engine and an electric transmission vehicle;
the heat dissipation system comprises three cooling liquid circulation loops which are divided into: the engine high-temperature heat dissipation ring, the engine low-temperature heat dissipation ring and the electric transmission low-temperature heat dissipation ring; wherein, the circulation of coolant liquid is accomplished by independent water pump to every coolant liquid circulation loop, and the coolant liquid of each coolant liquid circulation loop is relatively independent, and the cooling air side shares two centrifugal fan.
2. The three-pump three-cycle vehicle cooling system as claimed in claim 1, wherein the vehicle heat source is classified according to its normal working temperature range, the heat source with higher temperature is arranged in the engine high-temperature cooling ring of the cooling system, the heat source with lower temperature is arranged in the low-temperature loop of the cooling system, and the low-temperature loop can be divided into the engine low-temperature cooling ring and the electric drive low-temperature cooling ring according to the vehicle using condition characteristics, so as to construct the three-pump three-cycle vehicle cooling system.
3. The three-pump three-cycle vehicle heat dissipation system of claim 1, wherein the primary heat exchange component in the high temperature heat dissipation ring of the engine comprises: engine cylinder liner, one-level intercooler.
4. The three-pump three-cycle vehicle heat dissipation system of claim 3, wherein the primary heat exchange component in the low temperature heat dissipation ring of the engine comprises: second grade intercooler, oil cooler, generator and generator controller.
5. The three-pump three-cycle vehicle heat dissipation system of claim 4, wherein the primary heat exchange component in the electrically-driven cryogenic heat dissipation ring comprises: the system comprises a left driving motor, a right driving motor, a motor controller, a transmission oil cooler, a left fan motor, a right fan motor, a fan motor controller and a DC converter.
6. The three-pump three-cycle vehicle cooling system of claim 5, further comprising a high temperature water pump in the engine high temperature heat sink ring;
the low-temperature heat dissipation ring of the engine also comprises a low-temperature water pump;
the high-temperature water pump and the low-temperature water pump are directly driven by an engine, the two water pumps share one driving shaft, and the impellers are arranged back to back.
7. The three-pump three-cycle vehicle heat dissipation system of claim 6, further comprising in the electrically-actuated cryogenic heat dissipation ring: electrically driving the low-temperature water ring pump;
the electric drive low-temperature annular water pump is driven by a motor, so that stepless speed regulation is realized.
8. The three-pump, three-cycle vehicle heat dissipation system of claim 7, further comprising an engine high temperature heat dissipation ring radiator in the engine high temperature heat dissipation ring;
the low-temperature radiating ring radiator of the engine is also arranged in the low-temperature radiating ring of the engine;
the electric drive low-temperature heat dissipation ring also comprises an electric drive low-temperature heat dissipation ring radiator;
the engine low-temperature radiating ring radiator is juxtaposed with the electric drive low-temperature radiating ring radiator and then connected in series with the engine high-temperature radiating ring radiator.
9. The three-pump three-cycle vehicle radiator system according to claim 8, wherein an expansion tank is separately provided in said engine high temperature radiator ring.
10. The three-pump three-cycle vehicle radiator system of claim 9 wherein said engine low temperature radiator ring and said electric drive low temperature radiator ring share an expansion tank for equalizing system water side pressure and system exhaust and make-up water.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066778.1A CN110714830B (en) | 2019-11-04 | 2019-11-04 | Three-pump three-cycle vehicle-mounted heat dissipation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911066778.1A CN110714830B (en) | 2019-11-04 | 2019-11-04 | Three-pump three-cycle vehicle-mounted heat dissipation system |
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| Publication Number | Publication Date |
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| CN110714830A true CN110714830A (en) | 2020-01-21 |
| CN110714830B CN110714830B (en) | 2020-11-10 |
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| CN201911066778.1A Active CN110714830B (en) | 2019-11-04 | 2019-11-04 | Three-pump three-cycle vehicle-mounted heat dissipation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111828158A (en) * | 2020-06-08 | 2020-10-27 | 宝能(西安)汽车研究院有限公司 | Cooling system for vehicle and vehicle |
| CN112576359A (en) * | 2020-11-18 | 2021-03-30 | 潍柴动力股份有限公司 | Low-temperature cooling system, vehicle and control method of low-temperature cooling system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111828158A (en) * | 2020-06-08 | 2020-10-27 | 宝能(西安)汽车研究院有限公司 | Cooling system for vehicle and vehicle |
| CN112576359A (en) * | 2020-11-18 | 2021-03-30 | 潍柴动力股份有限公司 | Low-temperature cooling system, vehicle and control method of low-temperature cooling system |
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| Publication number | Publication date |
|---|---|
| CN110714830B (en) | 2020-11-10 |
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