CN109139223A - A kind of two-cycle engine high/low temperature cooling system - Google Patents
A kind of two-cycle engine high/low temperature cooling system Download PDFInfo
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- CN109139223A CN109139223A CN201810966326.8A CN201810966326A CN109139223A CN 109139223 A CN109139223 A CN 109139223A CN 201810966326 A CN201810966326 A CN 201810966326A CN 109139223 A CN109139223 A CN 109139223A
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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
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/04—Arrangements of liquid pipes or hoses
-
- 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
- F01P11/08—Arrangements of lubricant coolers
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The present invention includes high temperature and low temperature hydrologic cycle cooling system.High-temperature systems switch over cooling water flow direction according to engine load by thermosistor and solenoid valve selective switch, realize rapid warming-up and reduce oil consumption.Keeping cylinder cap and cylinder body water jacket in the engine cold-start stage is series connection, is heated cooling water one circulation twice, utmostly accelerates the heating of cooling water.In the higher warming-up of temperature and hot stage, keeps cylinder cover water jacket and cylinder body water jacket is parallel connection, utmostly increase engine water flow, and control the respective water flow of cylinder block and head, cylinder block and head is made all to reach optimum temperature, to reduce pinking, reduce oil consumption.Low temperature water circulation system uses electronic water pump and shared impounding kettle, throttle orifice is used between impounding kettle and cryogenic system, reduce arrangement space and cost, reduce influence of the high-temperature systems to cryogenic system to the greatest extent again, Engine Inlet Temperature and intake efficiency is effectively ensured, be conducive to play engine power performance, prevent pinking.
Description
Technical field
The invention belongs to technical field of automobile engine more particularly to engine high/low temperature cooling systems.
Background technique
Engine warm-up refers to the process of that engine body temperature rises to normal working temperature from low temperature.Engine is cold to be opened
When dynamic, since gas handling system and temperature cylinder are lower, gasoline is difficult evaporating completely, causes incomplete combustion, and C, H is caused largely to arrange
It puts；Simultaneously because fuel vaporization is difficult, combustion position is poor, causes additionally to increase amount of fuel.In addition coolant water temperature in warming-up process
Spend lower, engine is increased by the heat that water is taken away, and increases heat loss.Temperature is low when engine cold-start, engine it is interior
Moving link friction in portion's is larger, and oil consumption is also big.Therefore it needs to improve warming-up speed as early as possible.
For traditional engine with supercharger, using air cooling system, since pipeline is too long, there is delay, and it
It will receive the influence of speed, optimal cooling effect cannot can be kept under any operating condition.And it is responsible for cooling booster shaft
The booster cooler held is arranged in high-temperature systems, deposits after engine stop, since engine feed pump is inoperative, is easy to make
At the cooling insufficient risk of bearing.Therefore the water-cooling system of low temperature is needed, improves engine efficiency, and guarantee TC bearings
Cooling effect.
Summary of the invention
The purpose of the present invention is to provide a kind of two-cycle engine high/low temperature cooling systems, include high-temperature water circulating cooling
System and low temperature hydrologic cycle cooling system reduce oil consumption to improve warming-up speed.
Technical scheme is as follows:
A kind of two-cycle engine high/low temperature cooling system includes high temperature hydrologic cycle cooling system and water at low temperature circulating cooling system
System.
The high temperature hydrologic cycle cooling system includes cylinder body water jacket, cylinder cover water jacket, thermosistor, HVAC, high temperature heat sink, oil
Cooler, solenoid valve, engine water pump and impounding kettle.
The present invention sets independent sluice in engine cylinder body, and cylinder body independence sluice and cylinder body water jacket are connectionless.
Water route connection relationship between system components is as follows:
First water outlet of the engine water pump connects the first water inlet of cylinder body, and connects cylinder behind cylinder body independence sluice
Lid jacket inlet.
Second water outlet of the engine water pump connects solenoid valve, and the second water outlet of the engine water pump connects electricity
Magnet valve, solenoid valve, which is equipped with one, can be opened and closed channel, can selectively on-off as needed, keep cooling water flow direction negative according to engine
Lotus switches over.
Second water outlet of solenoid valve connects the second water inlet of cylinder body, after cylinder body water jacket, the water outlet of cylinder body water jacket
It is connect with the water inlet water route of the water outlet of cylinder cover water jacket and thermosistor.
The first water outlet difference water route connection HVAC of the solenoid valve, engine oil cooler and transmission oil cooler into
The mouth of a river, HVAC, engine oil cooler and transmission oil cooler be parallel connection, and their water outlet converge afterwards with water pump
The connection of first water inlet water route.
First water outlet water route of the thermosistor connects impounding kettle, and the water outlet water route of impounding kettle connects the second of water pump
Water inlet；The thermosistor is as needed selectively connected its second water outlet and third water outlet, and the second of thermosistor
Water outlet is connected by the third water inlet of bypass pipe and water pump, the third water outlet water route of thermosistor connect high temperature heat sink into
The mouth of a river is connect after high temperature heat sink with the 4th water inlet of engine water pump.
The low temperature water circulation system includes electronic water pump, low-temperature radiator, booster cooler, intercooler and described
Impounding kettle.Water route connection relationship are as follows: electronic water pump connects low-temperature radiator, and the first outlet connection booster of low-temperature radiator is cold
But the second outlet of device import, low-temperature radiator connects intercooler inlet.The first water outlet of booster cooler and intercooler go out
Mouth is connected after merging into a water outlet with the second water inlet of electronic water pump, and the second water outlet of booster cooler connects water storage
Pot, the second water outlet of impounding kettle connect the first water inlet of reconnection electronic water pump after throttle orifice.The first of electronic water pump into
The mouth of a river and the second water inlet can merge into a water inlet.
The present invention is by design high temperature hydrologic cycle cooling system and low temperature hydrologic cycle cooling system, for engine with supercharger cylinder
Body cylinder cap is cooled down using high temperature water circulation system, can make to cool down by the selection control switch of solenoid valve, thermosistor
Water flow is switched over to according to engine load, is realized rapid warming-up and is reduced oil consumption.In the engine cold-start stage, cylinder is kept
Lid water jacket and cylinder body water jacket are cascaded structure, are heated cooling water one circulation twice, utmostly accelerate the liter of cooling water
Temperature, and exchanged heat by oil cooler, so that machine oil is also rapidly heated, reduce engine friction horsepower, reduces oil consumption and discharge.In engine
The higher warming-up of temperature and hot stage, keeping cylinder cover water jacket and cylinder body water jacket is parallel-connection structure, utmostly increases engine
Water flow, and the controllable respective water flow of cylinder block and head, make cylinder block and head all reach optimum temperature, to reduce pinking, reduce
Oil consumption.
It for the booster of engine with supercharger, is cooled down using low temperature water circulation system, using electronic water pump and is shared
Impounding kettle, between impounding kettle and cryogenic system use throttle orifice, reduce arrangement space and cost, and reduced high temperature to the greatest extent
Influence of the system to cryogenic system, guarantees the cooling effect of cryogenic system, and cryogenic system coolant liquid is made to be maintained at 50 DEG C hereinafter, having
Effect guarantees Engine Inlet Temperature and intake efficiency, is conducive to play engine power performance, prevents pinking.
Further, this system also has transmission oil cooler, and transmission oil cooler and HVAC and engine oil cooler are arranged side by side
First water outlet water route of setting, water inlet and solenoid valve connects, the water outlet of water outlet and HVAC and engine oil cooler
Saliva road is converged to be connect with the first water inlet water route of water pump afterwards.By transmission oil cooler access cooling system circulation, when warming-up,
It can also accelerate the raising of transmission oil, reduce transmission friction function, reduce oil consumption.
Detailed description of the invention
Fig. 1 is system structure diagram of the invention；
Fig. 2 be the present invention cold-start phase water flow to schematic diagram；
Fig. 3 be the present invention warm-up period water flow to schematic diagram；
Fig. 4 be the present invention hot stage water flow to schematic diagram.
In the figure, it is marked as 1, engine water pump；2, cylinder body water jacket；3, cylinder cover water jacket；4, thermosistor；5, high temperature heat sink；
6, HVAC；7, transmission oil cooler；8, engine oil cooler；9, solenoid valve；10, impounding kettle；11, bypass pipe；12, cylinder body first
Water inlet；13, the second water inlet of cylinder body；14, cylinder cover water jacket import；15, cylinder cover water jacket exports；16, electronic water pump；17, low temperature
Radiator；18, booster cooler；19, intercooler；20, throttle orifice；21, cylinder body independence sluice.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
For the structure of this system referring to Fig. 1, this system includes high temperature hydrologic cycle cooling system and low temperature hydrologic cycle cooling system.
The component that high temperature hydrologic cycle cooling system is related to has: engine water pump 1, engine cylinder body, cylinder body water jacket 2, cylinder cap
Water jacket 3, thermosistor 4, high temperature heat sink 5, HVAC 6, transmission oil cooler 7, engine oil cooler 8, impounding kettle 10 and solenoid valve
9。
Wherein thermosistor 4 uses heat management formula thermosistor TMM(thermal management module), have one
A normally opened water outlet, two can be opened and closed the water outlet of switching, and specifically EA888- is won in optional Schaeffler Audi A3 S3, Qufu day
3, ITW ChangAn Automobile 1306040-B01/B02, ITW ChangAn Automobile 1306040-NE01 etc..
Solenoid valve 9 has a water inlet, two water outlets, such as specifically optional three leaf valve science and technology of Yuyao City is limited
Company model is the product of 2W-200-20.
In addition, independent sluice 21 is set in cylinder body, it is connectionless with cylinder body water jacket 2.
Engine water jacket is intake from cylinder body, cylinder cap water outlet.
First water outlet of engine water pump 1 connects the first water inlet of cylinder body 12, and behind cylinder body independence sluice 21
Connect cylinder cover water jacket import 14.
Second water outlet of engine water pump 1 connects solenoid valve 9, and there are two water outlet, the second water outlets to connect for solenoid valve 9
The second water inlet of cylinder body 13 is connect, after cylinder body water jacket 2, is converged in cylinder cover water jacket outlet 15, this meet and thermosistor 4 connect
It connects.
First water outlet of solenoid valve 9 be separately connected HVAC 6, transmission oil cooler 7, engine oil cooler 8 water inlet,
HVAC 6, transmission oil cooler 7, engine oil cooler 8 be parallel connection, water outlet converge afterwards with engine water pump 1 first
Water inlet connection.
With solenoid 9 can selectively on-off as needed, switch over cooling water flow direction according to engine load,
It realizes rapid warming-up and reduces oil consumption.
There are three water outlet, the first water outlets to connect impounding kettle 10, the water outlet of impounding kettle 10 by water route for thermosistor 4
The second water inlet of engine water pump 1 is connected by water route.Second water outlet connecting bypass pipe 11 of thermosistor 4, bypass pipe 11
Water outlet connect with the third water inlet of engine water pump 1.The third water outlet of thermosistor 4 connects high temperature heat dissipation by water route
The water inlet of device 5 is connect after cooling water passes through high temperature heat sink 5 with the 4th water inlet of engine water pump 1.
The above thermosistor 4 can be as needed to the second water outlet, and third water outlet is selectively connected, and flows to cooling water
It is switched over according to engine load, realize rapid warming-up and reduces oil consumption.
The first water inlet, the second water inlet, third water inlet and the 4th water inlet of the above engine water pump 1 can converge
At a water inlet.
The component that low temperature hydrologic cycle cooling system is related to has: electronic water pump 16, low-temperature radiator 17, booster cooler
18, intercooler 19, throttle orifice 20 and impounding kettle 10.Electronic water pump 16 connects low-temperature radiator 17, and the first of low-temperature radiator goes out
18 import of mouth connection booster cooler, the second outlet of low-temperature radiator 17 connect 19 import of intercooler.Booster cooler
18 first water outlets and the outlet of intercooler 19 are connected after merging into a water outlet with 16 water inlet of electronic water pump.Booster is cooling
Second water outlet of device 18 connects impounding kettle 10, the second water outlet of impounding kettle 10 through throttle orifice 20 connect electronic water pump 16 into
The mouth of a river.
The above high/low temperature system shares an impounding kettle 10, and the second water outlet of impounding kettle and electronic water pump first into
The throttle orifice of 1mm is equipped between the mouth of a river.
Below according to attached drawing further illustrate system in engine cold-start, warming-up when, working method when high temperature:
Referring to fig. 2, in the engine cold-start stage, high-temperature systems: solenoid valve 9 is disconnected, the second water outlet and third of thermosistor 4
Water outlet is all off.The flow direction of cooling water are as follows: engine water pump 1 is discharged ----to cylinder body the first water inlet 12---- to cylinder cap
Water inlet 14---- is flowed through after cylinder cover water jacket 3 to a part of coolant liquid of cylinder cap water outlet 15---- after cylinder body water jacket 2 to cylinder
Body the second water inlet 13---- is to 9 cavity of solenoid valve ----to HVAC 6, transmission oil cooler 7, engine oil cooler 8---- extremely
First water inlet of water pump 1；Cylinder cap water outlet 15---- another part coolant liquid flows through 4 cavity of thermosistor ----to impounding kettle
For 10---- to the second water inlet of water pump 1, the first water inlet and the second water inlet of last engine water pump 1 return to hair after converging
Motivation water pump 1.
This stage, cylinder body water jacket and cylinder cover water jacket are series connection water route, detailed process are as follows: cold start-up starts, engine water pump 1
Cooling water is pumped out first, cooling water flow to the first water inlet of cylinder body 12, into cylinder body independence sluice 21, until cylinder cap water inlet
14, it into cylinder cover water jacket 3, is flowed out after flowing through cylinder cover water jacket 3 from cylinder cap water outlet 15, the cooling water of outflow is divided into two parts: one
Part cooling water, to the second water inlet of cylinder body 13, flow to 9 cavity of solenoid valve after cylinder body water jacket 2, then after solenoid valve 9 respectively
Flow to HVAC 6, transmission oil cooler 7 and engine oil cooler 8, the three of HVAC 6, transmission oil cooler 7 and engine oil cooler 8
The first water inlet through engine water pump 1 flows back to engine water pump 1 after road water outlet converges；Another part of cylinder cap water outlet 15
After cooling water flows through the cavity of thermosistor 4, pass through by the first water outlet to impounding kettle 10, then through 10 first water outlet of impounding kettle
Second water inlet of engine water pump 1 flows back to engine water pump 1.
In the above engine cold-start stage, cylinder body water jacket 2 and cylinder cover water jacket 3 are cascaded structure, and cooling water flows through cylinder body
Water jacket 2 and cylinder cover water jacket 3, long flow path can utmostly realize warming-up, accelerate the heating rate of coolant liquid and lubricating oil, drop
Low friction function achievees the purpose that fuel-economizing and reduces discharge.
Referring to Fig. 3, in the engine warm-up stage, solenoid valve 9 is closed, and keeps the second water outlet closure and the of thermosistor 4
Three water outlet off-states, the flow direction of cooling water are as follows: engine water pump 1 is discharged ----a part flow to the first water inlet of cylinder body
12---- to cylinder cap water inlet 14---- is flowed through after cylinder cover water jacket 3 to cylinder cap water outlet 15；Water pump 1 is discharged ----another part water
It flow to 9 cavity of solenoid valve --- a part of water of 9 cavity of-solenoid valve flow to the second water inlet of cylinder body 13---- and flows through cylinder body water jacket 2
Converge afterwards to cylinder cap water outlet 15 ----to the cavity of thermosistor 4.A part of water of 4 cavity of thermosistor flow to impounding kettle
10---- to engine water pump 1 the second water inlet；A part of water of 4 cavity of thermosistor flow to bypass pipe 11--- to water pump 1
Third water inlet.Another part water of 9 cavity of solenoid valve flow to HVAC 6, transmission oil cooler 7, engine oil cooler 8---- extremely
First water inlet of water pump 1；Finally, the first water inlet of water pump 1, the second water inlet and third water inlet return to water after converging
The water inlet of pump 1.
This stage, cylinder body water jacket and cylinder cover water jacket are water route in parallel, detailed process are as follows: by the cooling water of cold-start phase
After circulation, cooling water has certain temperature, is divided into two-way from the water outlet of 1 circulating pump of engine water pump, flow to cylinder body first all the way
Water inlet 12 flows through cylinder body independence sluice 21, cylinder cover water jacket 3 is flowed into from cylinder cap water inlet 14, then from cylinder cap water outlet 15
Outflow.The water another way that engine water pump 1 pumps out flow to 9 cavity of solenoid valve, and the water of solenoid valve 9 is divided into two parts again, a part
Water flow to the second water inlet of cylinder body 13 through the second water outlet, into cylinder body water jacket 2, then flows out from cylinder cap water outlet 15, with cylinder
The water that lid water jacket 3 flows out converges, and flow to the cavity of thermosistor 4；Another part water of 9 cavity of solenoid valve flow to HVAC 6 respectively, becomes
Fast device oil cooler 7 and engine oil cooler 8, after the three tunnels water outlet of HVAC 6, transmission oil cooler 7 and engine oil cooler 8 converges
The first water inlet through engine water pump 1 flows back to engine water pump 1.It is divided into two parts with having into thermosistor 4 cavity, one
Water is divided to flow to impounding kettle 10 through water route, then the second water inlet through engine water pump 1 flows back to engine water pump 1, another part water
It flow to the third water inlet of water pump 1 through bypass pipe 11, flows back to engine water pump 1.
This stage cylinder body water jacket 2 and cylinder cover water jacket 3 are parallel-connection structure, can utmostly increase flow system flow, pass through list
The solely water flow of control cylinder body and cylinder cap, makes cylinder body and cylinder cap all reach optimum temperature, to reduce pinking, reduces oil consumption.
Referring to fig. 4, in the engine high-temperature stage, solenoid valve 9 is closed, and the second water outlet of thermosistor 4 is kept to disconnect and the
Three water outlet closed states.The flow direction of cooling water are as follows: compared with warm-up period, the switching of thermosistor 4,11 branch of bypass pipe
Disconnection is not involved in system circulation, and 5 branch of high temperature heat sink is connected, and replaces 11 branch of bypass pipe to participate in 5 branch of high temperature heat sink
System circulation flow to the 4th water inlet of high temperature heat sink 5--- to engine water pump 1 from a part of water of 4 cavity of thermosistor,
Other branch water flows are to remaining unchanged.Finally, the first water inlet of engine water pump 1, the second water inlet and the 4th water inlet converge
The water inlet of engine water pump 1 is returned to after conjunction.
This stage, cylinder body water jacket and cylinder cover water jacket are also water route in parallel, detailed process are as follows: temperature higher cooling water
It is pumped out from engine water pump 1 by circulation, a part flow to the first water inlet of cylinder body 12, by cylinder body independence sluice 21 to cylinder cap
Water inlet 14 is flowed through and is flowed out after cylinder cover water jacket 3 to cylinder cap water outlet 15；Another part water that engine water pump 1 pumps out flow to electricity
A part of water of 9 cavity of magnet valve, 9 cavity of solenoid valve flow to the second water inlet of cylinder body 13 through the second water outlet, after cylinder body water jacket 2
It is flow to cylinder cap water outlet 15, the water flowed out with cylinder cover water jacket 3 converges the cavity for flowing to thermosistor 4；A part of 4 cavity of thermosistor
Water flow to impounding kettle 10, then the second water inlet through engine water pump 1 flows back to engine water pump 1；Another portion of 4 cavity of thermosistor
The 4th water inlet for dividing water to flow to water pump 1 through high temperature heat sink 5, flows back to engine water pump 1；Another part of 9 cavity of solenoid valve
Water flow to HVAC 6 and engine oil cooler 8 respectively, the three tunnels water outlet of HVAC 6 and engine oil cooler 8 converge after through engine water
First water inlet of pump 1 flows back to engine water pump 1.
This stage cylinder body water jacket 2 and cylinder cover water jacket 3 are parallel-connection structure, in addition to utmostly increasing flow system flow, are individually controlled
Outside the water flow of cylinder body and cylinder cap processed, also by the way that high temperature heat sink 5 is added, water is cooled down, makes engine will not mistake
Heat, holding cylinder block and head are optimum temperature, reduce pinking, reduce oil consumption.
Electronic water pump 16 in engine cold-start stage, warm-up period and hot stage, low temperature water circulation system
Water outlet flow to low-temperature radiator 17, and the water outlet of low-temperature radiator 17 flows to booster cooler 18 and intercooler 19 respectively, pressurization
The water outlet of device cooler 18 and intercooler 19 directly flows back to electronic water pump 16 after converging all the way；The another way of booster cooler 18
Water outlet flow to impounding kettle 10, then flows back to electronic water pump 16 by throttle orifice 20 through 10 second water outlet of impounding kettle.Water at low temperature circulation
The response time of engine with supercharger can be improved in system, and can start electronic water pump, any according to the cooling requirement of engine
Guarantee the best intake air temperature of engine under operating condition.
Claims (5)
1. a kind of two-cycle engine high/low temperature cooling system, it is characterised in that: including high temperature hydrologic cycle cooling system and low temperature
Hydrologic cycle cooling system；
The high temperature hydrologic cycle cooling system includes cylinder body water jacket, cylinder cover water jacket, thermosistor, HVAC, high temperature heat sink, engine
Oil cooler, solenoid valve, water pump and impounding kettle；
Independent sluice is set in engine cylinder body, cylinder body independence sluice and cylinder body water jacket are connectionless；
First water outlet of the engine water pump connects the first water inlet of cylinder body, and connects cylinder behind cylinder body independence sluice
Lid jacket inlet；
Second water outlet of the engine water pump connects solenoid valve, and the solenoid valve is as needed to its first water outlet and the
Two water outlets are selectively connected；
Second water outlet of the solenoid valve connects the second water inlet of cylinder body, after cylinder body water jacket, the water outlet of cylinder body water jacket
It is connected with the water inlet water route of the water outlet of cylinder cover water jacket and thermosistor；
The first water outlet difference water route of the solenoid valve connects the water inlet of HVAC, engine oil cooler, HVAC, engine oil
Cooler is parallel connection, their water outlet converges to be connect with the first water inlet water route of engine water pump afterwards；
First water outlet water route of the thermosistor connects impounding kettle, and the of the water outlet water route connection engine water pump of impounding kettle
Two water inlets；The thermosistor is as needed selectively connected its second water outlet and third water outlet, and the of thermosistor
Two water outlets are connected by the third water inlet of bypass pipe and water pump；The third water outlet water route of thermosistor connects high temperature heat sink
Water inlet is connect after high temperature heat sink with the 4th water inlet of engine water pump；
The low temperature hydrologic cycle cooling system includes low-temperature radiator, intercooler, booster cooler, electronic water pump and the storage
Kettle；Electronic water pump connects low-temperature radiator, and the first outlet of low-temperature radiator connects booster cooler inlet, low temperature radiation
The second outlet of device connects intercooler inlet；
The first water outlet of booster cooler and intercooler outlet are connected after merging into a water outlet with electronic water pump water inlet,
Second water outlet of booster cooler connects impounding kettle, reconnects electronic water after the second water outlet connection throttle orifice of impounding kettle
The water inlet of pump.
2. two-cycle engine high/low temperature cooling system according to claim 1, it is characterised in that:
For high temperature hydrologic cycle cooling system in the engine cold-start stage, cylinder body water jacket and cylinder cover water jacket are series connection water route, solenoid valve,
The second water outlet and third water outlet of thermosistor are in an off state: cooling water from engine water pump pump out to cylinder body first into
It is flowed out after flowing through cylinder cover water jacket to cylinder cap water outlet, a part is cooling by cylinder body independence sluice to cylinder cap water inlet at the mouth of a river
Water, to the second water inlet of cylinder body, flow to solenoid valve, then flow to HVAC and engine respectively after solenoid valve after cylinder body water jacket
The first water inlet through engine water pump flows back to engine water pump after the water outlet of oil cooler, HVAC and engine oil cooler converges；
Another part cooling water of cylinder cap water outlet is flowed through and is flowed back to after thermosistor to impounding kettle, then the second water inlet through engine water pump
Engine water pump；
For high temperature hydrologic cycle cooling system in the engine warm-up stage, cylinder body water jacket and cylinder cover water jacket are water route in parallel, solenoid valve and
Second water outlet of thermosistor is in an off state in closed state, the third water outlet of thermosistor: cooling water is from engine
Water pump pumps out, and a part flow to the first water inlet of cylinder body and flows through cylinder cover water jacket by cylinder body independence sluice to cylinder cap water inlet
It is flowed out afterwards to cylinder cap water outlet；Another part water that engine water pump pumps out flow to solenoid valve, and a part of water of solenoid valve is through
Two water outlets flow to the second water inlet of cylinder body, and cylinder cap water outlet is flow to after cylinder body water jacket, converge with the water of cylinder cover water jacket outflow
It flow to thermosistor；A part of water of thermosistor 4 flow to impounding kettle, then the second water inlet through engine water pump flows back to engine water
Pump；Another part water of thermosistor flow to the third water inlet of engine water pump through bypass pipe, flows back to engine water pump；Solenoid valve
Another part water flow to HVAC and engine oil cooler respectively, the water outlet of HVAC and engine oil cooler converge after through engine
First water inlet of water pump flows back to engine water pump；
For high temperature hydrologic cycle cooling system in the engine high-temperature stage, cylinder body water jacket and cylinder cover water jacket are water route in parallel, solenoid valve and
The third water outlet of thermosistor is in an off state in closed state, the second water outlet of thermosistor: cooling water is from engine
Water pump 1 pumps out, and a part flow to the first water inlet of cylinder body and flows through cylinder head water by cylinder body independence sluice to cylinder cap water inlet
It is flowed out after set to cylinder cap water outlet；Another part water that engine water pump pumps out flow to solenoid valve, a part of water warp of solenoid valve
Second water outlet flow to the second water inlet of cylinder body, and cylinder cap water outlet is flow to after cylinder body water jacket, converges with the water of cylinder cover water jacket outflow
Collaborate to thermosistor；A part of water of thermosistor flow to impounding kettle, then the second water inlet through engine water pump flows back to engine
Water pump；Another part water of thermosistor flow to the 4th water inlet of water pump through high temperature heat sink, flows back to engine water pump；Solenoid valve
Another part water flow to HVAC and engine oil cooler respectively, the water outlet of HVAC and engine oil cooler converge after through engine
First water inlet of water pump flows back to engine water pump；
Low temperature hydrologic cycle cooling system is in engine cold-start stage, warm-up period and hot stage: electronic water pump goes out water flow
To low-temperature radiator, the water outlet of low-temperature radiator flows to booster cooler and intercooler respectively, and booster cooler is cold in
The water outlet of device directly flows back to electronic water pump after converging all the way；The another way of the water outlet of booster cooler flow to the impounding kettle,
Electronic water pump is flowed back to through throttle orifice again.
3. two-cycle engine high/low temperature cooling system according to claim 1 or 2, it is characterised in that: also there is speed change
Device oil cooler, transmission oil cooler are set side by side with HVAC and engine oil cooler, the first water outlet of water inlet and solenoid valve
The water outlet water route of the connection of saliva road, water outlet and HVAC and engine oil cooler converge afterwards with the first of engine water pump into
The connection of mouth of a river water route.
4. two-cycle engine high/low temperature cooling system according to claim 1 or 2, it is characterised in that: the engine
The first, second, third and fourth water inlet of water pump can merge into a water inlet.
5. two-cycle engine high/low temperature cooling system according to claim 1 or 2, it is characterised in that: the thermosistor
Using heat management formula thermosistor TMM.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966326.8A CN109139223A (en) | 2018-08-23 | 2018-08-23 | A kind of two-cycle engine high/low temperature cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810966326.8A CN109139223A (en) | 2018-08-23 | 2018-08-23 | A kind of two-cycle engine high/low temperature cooling system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109989820A (en) * | 2019-04-23 | 2019-07-09 | 常州轻工职业技术学院 | Double-mode cooling water system and its working method |
| CN113027599A (en) * | 2021-03-30 | 2021-06-25 | 一汽奔腾轿车有限公司 | Cooling system of post-operation supercharger and control method thereof |
| CN113417990A (en) * | 2021-06-29 | 2021-09-21 | 奇瑞汽车股份有限公司 | Vehicle heat exchange system, vehicle heat exchange control method and vehicle |
| CN114003076A (en) * | 2021-10-30 | 2022-02-01 | 重庆长安汽车股份有限公司 | Intelligent thermal management control method and system for power assembly and storage medium |
| CN114263523A (en) * | 2020-09-16 | 2022-04-01 | 比亚迪股份有限公司 | Engine water jacket, cooling system and vehicle |
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| GB2540401A (en) * | 2015-07-16 | 2017-01-18 | Chongqing Changan Automobile Co Ltd | A cooling assembly |
| CN106437995A (en) * | 2016-10-26 | 2017-02-22 | 奇瑞汽车股份有限公司 | Automobile supercharged engine cooling system and control method thereof |
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| GB2540401A (en) * | 2015-07-16 | 2017-01-18 | Chongqing Changan Automobile Co Ltd | A cooling assembly |
| CN106437995A (en) * | 2016-10-26 | 2017-02-22 | 奇瑞汽车股份有限公司 | Automobile supercharged engine cooling system and control method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109989820A (en) * | 2019-04-23 | 2019-07-09 | 常州轻工职业技术学院 | Double-mode cooling water system and its working method |
| CN114263523A (en) * | 2020-09-16 | 2022-04-01 | 比亚迪股份有限公司 | Engine water jacket, cooling system and vehicle |
| CN114263523B (en) * | 2020-09-16 | 2023-10-13 | 比亚迪股份有限公司 | Engine water jacket, cooling system and vehicle |
| CN113027599A (en) * | 2021-03-30 | 2021-06-25 | 一汽奔腾轿车有限公司 | Cooling system of post-operation supercharger and control method thereof |
| CN113417990A (en) * | 2021-06-29 | 2021-09-21 | 奇瑞汽车股份有限公司 | Vehicle heat exchange system, vehicle heat exchange control method and vehicle |
| CN113417990B (en) * | 2021-06-29 | 2022-04-29 | 奇瑞汽车股份有限公司 | Vehicle heat exchange system, vehicle heat exchange control method and vehicle |
| CN114003076A (en) * | 2021-10-30 | 2022-02-01 | 重庆长安汽车股份有限公司 | Intelligent thermal management control method and system for power assembly and storage medium |
| CN114003076B (en) * | 2021-10-30 | 2023-03-31 | 重庆长安汽车股份有限公司 | Intelligent thermal management control method and system for power assembly and storage medium |
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