CN108643998A - A kind of engine thermal management system - Google Patents
A kind of engine thermal management system Download PDFInfo
- Publication number
- CN108643998A CN108643998A CN201810354247.1A CN201810354247A CN108643998A CN 108643998 A CN108643998 A CN 108643998A CN 201810354247 A CN201810354247 A CN 201810354247A CN 108643998 A CN108643998 A CN 108643998A
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- Prior art keywords
- water jacket
- water pump
- cylinder
- coolant liquid
- management system
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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
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
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- 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
- F01M5/02—Conditioning lubricant for aiding engine starting, e.g. heating
- F01M5/021—Conditioning lubricant for aiding engine starting, e.g. heating by heating
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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
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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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
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/027—Cooling cylinders and cylinder heads in parallel
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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
- F01P3/02—Arrangements for cooling cylinders or cylinder heads
- F01P2003/028—Cooling cylinders and cylinder heads in series
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention provides a kind of engine thermal management systems, are related to vehicle motor technical field.Engine thermal management system, including first circulation cooling circuit and second circulation cooling circuit.First circulation cooling circuit includes mechanical water pump, cylinder body valve, cylinder body water jacket and the cylinder cover water jacket concatenated by pipeline, wherein, before cylinder body valve, mechanical water pump is also connected directly with cylinder cover water jacket by pipeline, and second circulation cooling circuit includes being sequentially connected in series the thermostat after cylinder cover water jacket and radiator by pipeline.The integrated height of engine thermal management system of the present invention, connection and reasonable arrangement, separate type is cooling, the integrated exhaust manifold of cylinder cap may be implemented engine and be rapidly heated, warm-up period heats machine oil, reduces friction, meets vehicle heating, High-temperature cooling machine oil, booster, cylinder block and head combustion high temperature region, the significant increase performance of engine, reduces engine consumption, optimizes engine emission.
Description
Technical field
The present invention relates to vehicle motor technical fields, more particularly to a kind of engine thermal management system.
Background technology
With the research to deepen continuously to vehicle technology, the performance requirement of vehicle motor is continuously improved, engine
Thermic load it is also higher and higher.Heat management system, which can manage, can make engine work at best temperature, can be significantly
Mechanical wear is reduced, and the service life of engine can be improved, while can achieve the purpose that save fuel oil, it is seen that heat management system
System has very important effect the normal operation of engine.Under normal circumstances, traditional heat management system is single cold
But circuit so that traditional heat management system has been difficult to meet engine power performance, economy and emission request.Traditional heat
Management system cools down cylinder body with cylinder cap simultaneously, and warming-up effect is poor.In addition, in the hot vehicle stage, the heat of oil cooler is passed
It is poor to pass effect, temperature rise is slow, and friction loss is more.
Invention content
It is an object of the present invention to provide a kind of cylinder body water jacket and the cooling of cylinder cover water jacket separate type, may be implemented quickly
The engine thermal management system of warming-up.
Particularly, the present invention provides a kind of engine thermal management systems, including：
First circulation cooling circuit comprising mechanical water pump, cylinder body valve, cylinder body water jacket and the cylinder head water concatenated by pipeline
Set, wherein before the cylinder body valve, the mechanical water pump is also connected directly with the cylinder cover water jacket by pipeline, in coolant liquid
Temperature when being less than the first preset temperature, the cylinder body valve is closed, the coolant liquid pumped out from the mechanical water pump directly into
Enter the cylinder cover water jacket and be circulated back to the mechanical water pump, when the temperature of the coolant liquid is in first preset temperature and
When between two preset temperatures, the cylinder body valve is opened, and is partly entered the cylinder cover water jacket and is circulated back to the mechanical water pump, portion
It is circulated back to the mechanical water pump after dividing the coolant liquid to pass through the cylinder cover water jacket into the cylinder body water jacket；With
Second circulation cooling circuit comprising thermostat and heat dissipation after the cylinder cover water jacket are sequentially connected in series by pipeline
Device, the radiator are also connected with the water inlet end of the mechanical water pump, and it is default to be more than described second in the temperature of the coolant liquid
When temperature, the thermostat is opened, and from the part that the mechanical water pump pumps out, the coolant liquid is entered by the cylinder cover water jacket
The thermostat flows through after the radiator carries out heat exchange and returns to the mechanical water pump.
Optionally, oil cooler branch, the oil cooler branch includes oil cooler, the oil cooler
By piping connection between the cylinder body water jacket and the mechanical water pump, from the part cooling of cylinder body water jacket outflow
Liquid stream is recirculated back to the mechanical water pump through the oil cooler.
Optionally, further include：
Warm wind branch, including steam air heater, the steam air heater is by piping connection in the cylinder body water jacket and the mechanical water
Between pump, flows through the steam air heater from the part coolant liquid of cylinder body water jacket outflow and be recirculated back to the mechanical water pump.
Optionally, further include：
Fluid infusion pot branch, including fluid infusion pot, the fluid infusion pot are connect by pipeline with the thermostat, the thermostat
Check valve is provided at peak, when having gas generation in the heat management system, the check valve is opened, the gas from
The check valve enters the fluid infusion pot by pipeline, and the fluid infusion pot is connect by liquid supplementation pipe with the mechanical water pump, gives institute
It states mechanical water pump and supplements the coolant liquid.
Optionally, further include：
Turbocharger bypass, including booster, the booster by piping connection in the mechanical water pump outlet pipe with
Between the liquid supplementation pipe, flowed into after flowing through the booster from the part coolant liquid of the outlet pipe of mechanical water pump outflow
The liquid supplementation pipe is recycled back into the mechanical water pump.
Optionally, further include：
Partial circulating bypass branch passes through the water inlet of outlet pipe and the mechanical water pump at thermostat described in piping connection
Pipe, the partial circulating bypass branch are configured to, described when the temperature of the coolant liquid is less than or equal to second preset temperature
Partial circulating bypass branch circulates, when the temperature of the coolant liquid is more than second preset temperature, the partial circulating bypass branch
Road is closed.
Optionally, first preset temperature is less than second preset temperature.
Optionally, further include：
Exhaust branch, by the water inlet pipe of the water inlet pipe and the fluid infusion pot of radiator described in pipeline connection, described
When second circulation cooling circuit circulates and has gas in the pipeline between the thermostat and the radiator, pass through the row
Gas branch discharges into the gas in the fluid infusion pot.
Optionally,
The cylinder cover water jacket includes mutually independent cylinder cap top water jacket and cylinder cap lower part water jacket, the cylinder cover water jacket construction
At：The cooling liquid part into the cylinder cover water jacket enters cylinder cap top water jacket, partly enters the cylinder cap lower part
Water jacket, water outlet converges outflow again at cylinder cap top water jacket and cylinder cap lower part water jacket.
Optionally, the cylinder cover water jacket is located at outside cylinder cap, and the cylinder cap and exhaust manifold are integrally disposed, the cylinder head water
Also the exhaust manifold is cooled down while covering to the Cooling of Cylinder Head.
The integrated height of engine thermal management system of the present invention, connection and reasonable arrangement, separate type is cooling, cylinder cap integrates exhaust manifold
Engine may be implemented to be rapidly heated, warm-up period heats machine oil, reduces friction, meets vehicle heating, and High-temperature cooling machine oil increases
Depressor, cylinder block and head combustion high temperature region, the significant increase performance of engine, reduce engine consumption, optimize and start
Machine discharges.
Further, when the temperature of the invention in coolant liquid is not higher than the first preset temperature, coolant liquid is not passed through cylinder body
Water jacket can make cylinder body reach ideal running temperature as early as possible, reduce friction, improve engine performance, reduce oil consumption discharge.When
When coolant temperature is higher than the first preset temperature, cylinder body valve is opened, and part coolant liquid enters cylinder body cooling cylinder barrel, avoids overheating.
The present invention designs cylinder body valve, cylinder body water jacket and the cooling of cylinder cover water jacket separate type, rapid warming-up may be implemented, while ensureing each small
Circulation line works.
Further, partial circulating temperature after the engine started rises the stage, and machine oil and coolant liquid there is heat exchange, due to
Engine water temperature ramp-up rate is fast compared with oil temperature ramp-up rate, and initial stage coolant liquid passes to machine oil by oil cooler heat,
Accelerate the heating of complete machine machine oil, reduce friction loss, improve engine performance, reduce engine consumption, optimizes engine emission.
Further, partial circulating bypass branch is controlled by thermostat, primarily serves the pressure for reducing entire pipe-line system
Power reduces the effect of voltage loss.
Further, cylinder cap integrates exhaust manifold, and cylinder cover water jacket cools down exhaust side, engine not only may be implemented and quickly rise
Temperature, can also the row of reduction temperature, optimize engine performance.
According to the following detailed description of specific embodiments of the present invention in conjunction with the accompanying drawings, those skilled in the art will be brighter
The above and other objects, advantages and features of the present invention.
Description of the drawings
Some specific embodiments that the invention will be described in detail by way of example and not limitation with reference to the accompanying drawings hereinafter.
Identical reference numeral denotes same or similar component or part in attached drawing.It should be appreciated by those skilled in the art that these
What attached drawing was not necessarily drawn to scale.In attached drawing：
Fig. 1 is the schematic diagram of engine thermal management system according to an embodiment of the invention.
Specific implementation mode
Fig. 1 is the schematic diagram of engine thermal management system 100 according to an embodiment of the invention.The present embodiment starts
Machine heat management system 100 may include first circulation cooling circuit 10 and second circulation cooling circuit 20 in general manner.Wherein, first
Circulation cooling circuit 10 may include mechanical water pump 11, cylinder body valve 12, cylinder body water jacket 13 and the cylinder cover water jacket 14 concatenated by pipeline,
Wherein, before cylinder body valve 12, mechanical water pump 11 can also be connected directly with cylinder cover water jacket 14 by pipeline, in the temperature of coolant liquid
When degree is less than the first preset temperature, cylinder body valve 12 is closed, and the coolant liquid pumped out from mechanical water pump 11 is directly entered cylinder cover water jacket 14
And it is circulated back to mechanical water pump 11.When the temperature of coolant liquid is between the first preset temperature and the second preset temperature, cylinder body valve
12 open, and part coolant liquid enters cylinder cover water jacket 14 and is circulated back to mechanical water pump 11, and part coolant liquid enters cylinder body water jacket 13,
It is circulated back at mechanical water pump 11 after passing through cylinder cover water jacket 14.Second circulation cooling circuit 20 may include being gone here and there successively by pipeline
Be connected on the thermostat 21 after cylinder cover water jacket 14 and radiator 22, radiator 22 is also connected with the water inlet end of mechanical water pump 11, with
When the temperature of coolant liquid is more than the second preset temperature, thermostat 21 is opened, and the part coolant liquid pumped out from mechanical water pump 11 passes through
After cylinder cover water jacket 14 enters thermostat 21, flows through after radiator 22 carries out heat exchange and return at mechanical water pump 11.
In the present embodiment, when the temperature of coolant liquid is not higher than the first preset temperature, coolant liquid is not passed through cylinder body water jacket 13,
Cylinder body can be made to reach ideal running temperature as early as possible, reduce friction, improve engine performance, reduce oil consumption discharge.Work as cooling
When liquid temperature is higher than the first preset temperature, cylinder body valve 12 is opened, and part coolant liquid enters cylinder body cooling cylinder barrel, avoids overheating.This
Cylinder body valve 12 is designed in embodiment, so that cylinder body water jacket 13 and 14 separate type of cylinder cover water jacket is cooled down, rapid warming-up be may be implemented, simultaneously
Ensure each partial circulating pipeline work.
Can also include oil cooler after first circulation cooling circuit 10 as one specifically embodiment of the present invention
Branch 30.Wherein, oil cooler branch 30 may include oil cooler 31, and oil cooler 31 is by piping connection in cylinder
Between body water jacket 13 and mechanical water pump 11, so that the part coolant liquid flowed out from cylinder body water jacket 13 flows through oil cooler 31 and follows again
At loopback mechanical water pump 11.Partial circulating temperature after the engine started rises the stage, and machine oil and coolant liquid there is heat exchange, due to
Engine water temperature ramp-up rate is fast compared with oil temperature ramp-up rate, and initial stage coolant liquid passes to machine by 31 heat of oil cooler
Oil accelerates the heating of complete machine machine oil, reduces friction loss, improves engine performance, reduces engine consumption, optimization engine row
It puts.In the hot vehicle stage, coolant liquid passes to machine oil by 31 heat of oil cooler, realizes that machine oil is rapidly heated, and reduces friction damage
It loses.
Can also include warm wind branch after first circulation cooling circuit 10 as one specifically embodiment of the present invention
40.Wherein, warm wind branch 40 includes steam air heater 41, steam air heater 41 by piping connection in cylinder body water jacket 13 and mechanical water pump 11 it
Between, so that the part coolant liquid flowed out from cylinder body water jacket 13 is recirculated back to after flowing through steam air heater 41 from mechanical water pump 11.
Can also include fluid infusion pot branch after first circulation cooling circuit 10 as one specifically embodiment of the present invention
50, wherein fluid infusion pot branch 50 may include fluid infusion pot 51, and fluid infusion pot 51 is connect by pipeline with thermostat 21, thermostat 21
Peak at check valve 23 can be set, when there is gas generation in heat management system, check valve 23 open so that gas
Enter fluid infusion pot 51 from check valve 23 by pipeline.Fluid infusion pot 51 is connect by liquid supplementation pipe with mechanical water pump 11, for machinery
Water pump 11 supplements coolant liquid.During coolant liquid recycles, coolant liquid is heated, and part coolant liquid can vaporize to form gas.
When especially coolant liquid is water, it is easy to form vapor.And if vapor is always present in heat management system, it is likely that meeting
Influence the cooling effect of heat management system.Simultaneously because the volume of gas is big, it is easy to form high pressure conditions, there are prodigious for pipeline
Security risk.Therefore, check valve 23 is set at the peak of thermostat 21, since gas is in the upper of coolant liquid in systems
Portion will directly reach the peak of thermostat 21 when gas is reached with coolant liquid at thermostat 21.Temperature is saved when detecting
When having gas at 21 peak of device, check valve 23 can be opened, and pass the gas through pipeline and reach fluid infusion Hu51Chu.Check valve herein
23 can automatically turn on, and can also be manually opened.It, can be in thermostat 21 when check valve 23 is to automatically turn on valve
Gas sensor is set at peak, and is electrically connected with check valve 23, when having detected gas, check valve 23 automatically turns on,
After gas discharge, check valve 23 is automatically closed.It, can also be in the highest of thermostat 21 when check valve 23 is manually opened valve
Point place setting gas sensor, which can be connected with terminal computer, can also be connect with alarm, and according to by gas
The information that body sensor transmits out prompts the manually opened check valve of work user 23.Certainly, in actual use, excellent
Select automatic one-way valve 23.
Can also include turbocharger bypass after first circulation cooling circuit 10 as one specifically embodiment of the present invention
60, wherein turbocharger bypass 60 may include booster 61, and booster 61 is by piping connection in the outlet pipe of mechanical water pump 11
Between liquid supplementation pipe, so that the part coolant liquid flowed out from the outlet pipe of mechanical water pump 11 flows into fluid infusion after flowing through booster 61
Pipe, is recycled back at mechanical water pump 11.
Can also include that partial circulating bypasses after first circulation cooling circuit 10 as one specifically embodiment of the present invention
Branch 70, wherein the water inlet pipe that partial circulating bypass branch 70 passes through the outlet pipe and mechanical water pump 11 of piping connection thermostat 21.
Partial circulating bypass branch 70 is configured to, when the temperature of coolant liquid is less than or equal to the second preset temperature, partial circulating bypass branch 70
Circulation, when the temperature of coolant liquid is more than the second preset temperature, partial circulating bypass branch 70 is closed.Wherein, partial circulating bypass branch
Road 70 is primarily served the pressure for reducing entire pipe-line system, reduces the effect of crushing by the control of thermostat 21.
As one of the invention, specifically embodiment, the first preset temperature are less than the second preset temperature.Specifically, in reality
During use, the first preset temperature is 60 DEG C, and the second preset temperature is 94 DEG C.
Further include exhaust branch 80 in second circulation cooling circuit 20 as one specifically embodiment of the present invention.Wherein,
Exhaust branch 80 is by the water inlet pipe of the water inlet pipe and fluid infusion pot 51 of pipeline connection radiator 22, in second circulation cooling circuit 20
When there is gas when circulation, and in the pipeline between thermostat 21 and radiator 22, the gas is discharged by exhaust branch 80
In fluid infusion pot 51.When being opened due to second circulation cooling circuit 20, the temperature of coolant liquid is higher, in second circulation cooling circuit
Gas is more readily formed in 20, it is therefore desirable to constantly gas is discharged by exhaust branch 80, in order to avoid influence second circulation cooling
The pipeline in circuit 20.When gas enters in fluid infusion pot 51,51 top memory gas of fluid infusion pot, liquid in fluid infusion pot 51 can be by
Gradually decline, coolant liquid is supplemented to system.When the liquid in fluid infusion pot 51 is reduced to certain degree, fluid infusion pot 51 is opened, is mended
Fill coolant liquid.
Specifically, when being higher than the second preset temperature in the temperature of coolant liquid, that is, being higher than 94 DEG C, thermostat 21 can be opened
Second circulation cooling circuit 20, and close partial circulating bypass branch 70.Coolant liquid is entered by second circulation cooling circuit 20 at this time
Radiator 22, radiator 22 is interior to complete heat exchange, enters mechanical water pump 11 by pump water inlet and recycles again.In cyclic process
In, partial circulating bypass branch 70 is closed, turbocharger bypass 60, oil cooler branch 30, steam air heater branch 40, fluid infusion pot branch
50 and 80 normal operation of exhaust branch.
Specifically, in a specific embodiment, cylinder cover water jacket 14 includes mutually independent cylinder cap top water jacket 142 and cylinder
Lid lower part water jacket 141, cylinder cover water jacket 14 is configured to：Cooling liquid part into cylinder cover water jacket 14 enters cylinder cap top water jacket 142,
Part enters cylinder cap lower part water jacket 141, the water outlet assemble jamming again at cylinder cap top water jacket 142 and cylinder cap lower part water jacket 141
Go out.
Specifically, in one specifically embodiment, cylinder cover water jacket is located at outside cylinder cap, and cylinder cap is integrated with exhaust manifold and set
Set, with when cylinder cover water jacket also cooled exhaust manifold while being gone to cylinder cap is cold.Cylinder cap integrates exhaust manifold, cylinder cover water jacket cooling
Exhaust side not only may be implemented engine and be rapidly heated, can also the row of reduction temperature, optimize engine performance.
The 100 integrated height of engine thermal management system of the present embodiment, connection and reasonable arrangement, separate type is cooling, cylinder cap collection is in a row
Gas manifold may be implemented engine and be rapidly heated, and warm-up period heats machine oil, reduces friction, meets vehicle heating, High-temperature cooling
Machine oil, booster 61, cylinder block and head combustion high temperature region, the significant increase performance of engine, reduce engine consumption, excellent
Engine emission is changed.
So far, although those skilled in the art will appreciate that present invention has been shown and described in detail herein multiple shows
Example property embodiment still without departing from the spirit and scope of the present invention, still can according to the present disclosure directly
Determine or derive many other variations or modifications consistent with the principles of the invention.Therefore, the scope of the present invention is understood that and recognizes
It is set to and covers other all these variations or modifications.
Claims (10)
1. a kind of engine thermal management system, which is characterized in that including：
First circulation cooling circuit comprising mechanical water pump, cylinder body valve, cylinder body water jacket and the cylinder cover water jacket concatenated by pipeline,
In, before the cylinder body valve, the mechanical water pump is also connected directly with the cylinder cover water jacket by pipeline, in the temperature of coolant liquid
When less than the first preset temperature, the cylinder body valve is closed, and the coolant liquid pumped out from the mechanical water pump is directly entered described
Cylinder cover water jacket is simultaneously circulated back to the mechanical water pump, when the temperature of the coolant liquid is default in first preset temperature and second
When between temperature, the cylinder body valve is opened, and is partly entered the cylinder cover water jacket and is circulated back to the mechanical water pump, described in part
Coolant liquid is circulated back to the mechanical water pump after passing through the cylinder cover water jacket into the cylinder body water jacket；With
Second circulation cooling circuit comprising thermostat and radiator after the cylinder cover water jacket, institute are sequentially connected in series by pipeline
It states radiator to be also connected with the water inlet end of the mechanical water pump, is more than second preset temperature in the temperature of the coolant liquid
When, the thermostat is opened, and is passed through described in cylinder cover water jacket entrance from the part that the mechanical water pump the pumps out coolant liquid
Thermostat flows through after the radiator carries out heat exchange and returns to the mechanical water pump.
2. engine thermal management system according to claim 1, which is characterized in that further include：
Oil cooler branch, the oil cooler branch includes oil cooler, and the oil cooler is connected by pipeline
It is connected between the cylinder body water jacket and the mechanical water pump, the part coolant liquid flowed out from the cylinder body water jacket flows through described
Oil cooler is recirculated back to the mechanical water pump.
3. engine thermal management system according to claim 2, which is characterized in that further include：
Warm wind branch, including steam air heater, the steam air heater by piping connection in the cylinder body water jacket and the mechanical water pump it
Between, it flows through the steam air heater from the part coolant liquid of cylinder body water jacket outflow and is recirculated back to the mechanical water pump.
4. engine thermal management system according to claim 3, which is characterized in that further include：
Fluid infusion pot branch, including fluid infusion pot, the fluid infusion pot are connect by pipeline with the thermostat, the highest of the thermostat
It is provided with check valve at point, when having gas generation in the heat management system, the check valve is opened, and the gas is from described
Check valve enters the fluid infusion pot by pipeline, and the fluid infusion pot is connect by liquid supplementation pipe with the mechanical water pump, gives the machine
Tool water pump supplements the coolant liquid.
5. engine thermal management system according to claim 4, which is characterized in that further include：
Turbocharger bypass, including booster, the booster by piping connection in the mechanical water pump outlet pipe with it is described
Between liquid supplementation pipe, described in the part coolant liquid that is flowed out from the outlet pipe of the mechanical water pump is flowed through and is flowed into after the booster
Liquid supplementation pipe is recycled back into the mechanical water pump.
6. engine thermal management system according to any one of claims 1-5, which is characterized in that further include：
Partial circulating bypass branch, by the water inlet pipe of outlet pipe and the mechanical water pump at thermostat described in piping connection,
The partial circulating bypass branch is configured to, described small when the temperature of the coolant liquid is less than or equal to second preset temperature
Bypass branch circulation is recycled, when the temperature of the coolant liquid is more than second preset temperature, the partial circulating bypass branch
It closes.
7. engine thermal management system according to claim 6, which is characterized in that
First preset temperature is less than second preset temperature.
8. engine thermal management system according to claim 4, which is characterized in that further include：
Exhaust branch, by the water inlet pipe of the water inlet pipe and the fluid infusion pot of radiator described in pipeline connection, described second
When circulation cooling circuit circulates and has gas in the pipeline between the thermostat and the radiator, pass through exhaust branch
Road discharges into the gas in the fluid infusion pot.
9. engine thermal management system according to claim 1, which is characterized in that
The cylinder cover water jacket includes mutually independent cylinder cap top water jacket and cylinder cap lower part water jacket, and the cylinder cover water jacket is configured to：
The cooling liquid part into the cylinder cover water jacket enters cylinder cap top water jacket, partly enters cylinder cap lower part water
Set, water outlet converges outflow again at cylinder cap top water jacket and cylinder cap lower part water jacket.
10. engine thermal management system according to claim 9, which is characterized in that
The cylinder cover water jacket is located at outside cylinder cap, and the cylinder cap and exhaust manifold are integrally disposed, and the cylinder cover water jacket gives the cylinder
Lid also cools down the exhaust manifold while cooling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810354247.1A CN108643998B (en) | 2018-04-19 | 2018-04-19 | Engine heat management system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810354247.1A CN108643998B (en) | 2018-04-19 | 2018-04-19 | Engine heat management system |
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| CN108643998A true CN108643998A (en) | 2018-10-12 |
| CN108643998B CN108643998B (en) | 2020-05-01 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022236A (en) * | 2019-12-26 | 2020-04-17 | 宁波吉利罗佑发动机零部件有限公司 | Engine thermal management system and vehicle |
| CN111396186A (en) * | 2020-04-16 | 2020-07-10 | 昆明云内动力股份有限公司 | Split type cooling system and method for engine |
| CN112539106A (en) * | 2020-12-04 | 2021-03-23 | 北京电子科技职业学院 | Novel diesel engine cooling system |
| CN112709624A (en) * | 2019-10-25 | 2021-04-27 | 宁波吉利罗佑发动机零部件有限公司 | Engine thermal management system and method |
| CN112943440A (en) * | 2021-01-24 | 2021-06-11 | 南京吉奇图汽车用品有限公司 | Automatic water-oil temperature control device for automobile driving system |
| CN113586224A (en) * | 2021-08-26 | 2021-11-02 | 西安交通大学 | Intelligent cooling system based on engine split cooling and control method thereof |
| CN114233459A (en) * | 2021-11-08 | 2022-03-25 | 潍柴动力股份有限公司 | Engine cooling system and control method |
| CN114893283A (en) * | 2022-06-07 | 2022-08-12 | 哈尔滨东安汽车动力股份有限公司 | Supercharged engine cooling system |
| CN115324708A (en) * | 2022-07-08 | 2022-11-11 | 东风汽车集团股份有限公司 | Connecting bracket for engine cylinder body and electric water pump and vehicle |
| WO2023207306A1 (en) * | 2022-04-28 | 2023-11-02 | 比亚迪股份有限公司 | Thermal management system, and vehicle having same |
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