CN209340025U - A kind of engine-cooling system and vehicle - Google Patents
A kind of engine-cooling system and vehicle Download PDFInfo
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- CN209340025U CN209340025U CN201920044999.8U CN201920044999U CN209340025U CN 209340025 U CN209340025 U CN 209340025U CN 201920044999 U CN201920044999 U CN 201920044999U CN 209340025 U CN209340025 U CN 209340025U
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Abstract
The utility model relates to cooling technology field, a kind of engine-cooling system and vehicle are provided, to solve the problems, such as that engine can not work normally under low temperature environment.The cooling system increases water inlet pipe and water outlet pipe between High-temperature cooling system and low-temperature cooling system, low-temperature cooling system includes electronic water pump, cooling equipment, the first radiator and regulating valve, when regulating valve is in first state, the first loop that the electronic water pump, cooling equipment and the first radiator are formed is connected；When the regulating valve is in the second state, the High-temperature cooling system, inlet pipeline, cooling equipment and outlet pipeline form the conducting of the second loop.In this way, at low ambient temperatures, the cooling water that higher temperature in High-temperature cooling system can be used heats air inlet, intake air temperature is improved, so that engine remains to work normally at low ambient temperatures.
Description
Technical field
The utility model relates to cooling technology field more particularly to a kind of engine-cooling systems and vehicle.
Background technique
Exhaust gas recirculatioon (Exhaust Gas Recirculation, EGR) refers to that internal combustion engine will send gas after combustion
A part isolate and importing air inlet side participates in it once again in technology (gimmick or method) gasoline engine of burning using EGR
Technology will lead to the raising of end mixture temperature.Cooling EGR technology is that one kind returns in cylinder for cooling segment
Exhaust device, ignition temperature in cylinder can be effectively reduced, inhibit pinking, reduce heat transfer loss and pumping loss, in turn
Realize the purpose for reducing oil consumption and discharge.
When engine operation, fuel burning generate heat other than acting, heat radiation, conduction and exhaust gas are taken away,
Remaining is cooled down by cooling system.Since the number of parts integrated on engine gradually increases, such as intercooler, booster
It also needs to cool down, but its required cooling temperature, flow and control logic and engine cylinder body, cylinder cap are completely not
Together；In addition, mechanical thermostat response slowly, opens, closes and determined by the water temperature of engine with the application of start-stop technology
It is fixed, it is unfavorable for the warming-up of engine and the rapid cooling of water temperature.Therefore, existing cooling EGR technology includes High-temperature cooling system
System and low-temperature cooling system, wherein in High-temperature cooling system cooling water water temperature be higher than low-temperature cooling system in cooling water water
Temperature.High-temperature cooling system only passes through degasification pipeline with low-temperature cooling system and is connected at expansion kettle with water pipe, and connection amount
Seldom, High-temperature cooling system and low-temperature cooling system are relatively independent.But since EGR gas main component is first is that after burning
Vapor, at low ambient temperatures, if mixing EGR gas engine charge freeze in low-temperature cooling system, can to send out
Motivation can not work normally.
Utility model content
The utility model embodiment provides a kind of engine-cooling system and vehicle, with solve under low temperature environment engine without
The problem of method works normally.
In order to solve the above-mentioned technical problem, the utility model is realized in this way:
In a first aspect, the utility model embodiment provides a kind of engine-cooling system, and the system comprises: high temperature is cold
But system, low-temperature cooling system, water inlet pipe and water outlet pipe；
The low-temperature cooling system includes electronic water pump, cooling equipment and the first radiator；The electronic water pump, cooling are set
Standby and the first radiator is sequentially connected；
The first end of the inlet pipeline connects the first end of the High-temperature cooling system, the second end of the inlet pipeline
Between the electronic water pump and the cooling equipment；The first end of the outlet pipeline is set to the cooling equipment and described
Between first radiator, the second end of the outlet pipeline connects the second end of the High-temperature cooling system；
The low-temperature cooling system further includes regulating valve, when the regulating valve is in first state, the electronic water pump,
The first loop conducting that cooling equipment and the first radiator are formed；When the regulating valve is in the second state, the high temperature is cold
But system, inlet pipeline, cooling equipment and outlet pipeline form the conducting of the second loop.
Optionally, the regulating valve is triple valve, and the triple valve includes the first valve, the second valve, third valve；Institute
It states the first valve and connects the inlet pipeline or the outlet pipeline, second valve connects the cooling equipment, and described the
Three valves connect the electronic water pump or first radiator；
When the triple valve is in first state, second valve and the third valve opening, first valve
Door is closed；
When the triple valve is in the second state, first valve and second valve opening, the third valve
Door is closed.
Optionally, the second end of the inlet pipeline and the low-temperature cooling system form first node, the outlet pipe
The first end on road and the low-temperature cooling system form second node；
When the triple valve is set to first node；First valve is connect with the second end of the inlet pipeline, described
Second valve is connect with the cooling equipment, and the third valve is connect with the electronic water pump.
When the triple valve is set to second node；First valve is connect with the first end of the outlet pipeline, described
Second valve is connect with the cooling equipment, and the third valve is connect with first radiator.
Optionally, when environment temperature or Engine Inlet Temperature are lower than setting value, the regulating valve is in the second state；
When environment temperature or Engine Inlet Temperature are greater than or equal to setting value, the regulating valve is in first state.
Optionally, the cooling equipment includes water-air inter cooler and booster；The first end of the water-air inter cooler and
The first end of the booster is connect after converging with the electronic water pump；The second end and the pressurization of the water-air inter cooler
The second end of device is connect after converging with first radiator.
Optionally, the High-temperature cooling system include mechanical water pump, engine water jacket, thermostat, the second radiator, oil it is cold
Device, cooler for recycled exhaust gas, warm wind, partial circulating pipeline；
The mechanical water pump, engine water jacket, thermostat and the second radiator are in turn connected to form third loop；
The mechanical water pump, engine water jacket, thermostat and partial circulating pipeline are in turn connected to form the Fourth Ring road；
The mechanical water pump, engine water jacket, thermostat, warm wind and partial circulating pipeline are in turn connected to form fifth ring road；
The mechanical water pump, oil cooler and partial circulating pipeline are in turn connected to form the sixth ring road；
The mechanical water pump, cooler for recycled exhaust gas and partial circulating pipeline are in turn connected to form the 7th loop.
Optionally, the High-temperature cooling system further includes expansion kettle, moisturizing general pipeline, the first water pipe and the second water supply pipe
Road；
The first end of the expansion kettle connects the first end of the moisturizing general pipeline；The second end of the moisturizing general pipeline connects respectively
Connect the first end of first water pipe and the first end of second water pipe；The second end of first water pipe
Connect the low-temperature cooling system；The second end of second water pipe connects the High-temperature cooling system.
Optionally, the High-temperature cooling system further includes the first degasification pipeline and the second degasification pipeline；
The first end of the first degasification pipeline connects the low-temperature cooling system；The second end of the first degasification pipeline
Connect the second end of the expansion kettle；
The first end of the second degasification pipeline connects the High-temperature cooling system；The second end of the second degasification pipeline
Connect the third end of the expansion kettle.
Optionally, second radiator is equipped with water injection hole.
Second aspect, the utility model embodiment also provide a kind of vehicle, which is characterized in that cold including above-mentioned engine
But system.
In the utility model embodiment, increase inlet pipeline and water outlet between High-temperature cooling system and low-temperature cooling system
Pipeline, low-temperature cooling system includes electronic water pump, cooling equipment, the first radiator and regulating valve, when regulating valve is in the first shape
When state, the first loop that the electronic water pump, cooling equipment and the first radiator are formed is connected；When the regulating valve is in second
When state, the High-temperature cooling system, inlet pipeline, cooling equipment and outlet pipeline form the conducting of the second loop.In this way, low
Under warm environment, the cooling water that higher temperature in High-temperature cooling system can be used heats engine charge, improves air inlet
Temperature, so that engine remains to work normally at low ambient temperatures.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, the utility model embodiment will be retouched below
Attached drawing needed in stating is briefly described, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments for those of ordinary skill in the art without any creative labor, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is a kind of one of the structure chart of engine-cooling system provided by the embodiment of the utility model；
Fig. 2 is the two of the structure chart of a kind of engine-cooling system provided by the embodiment of the utility model.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
It clearly and completely describes, it is clear that the embodiments are a part of the embodiments of the present invention, rather than whole implementation
Example.Based on the embodiments of the present invention, those of ordinary skill in the art are obtained without creative efforts
The every other embodiment obtained, fall within the protection scope of the utility model.
Referring to Fig. 1 and Fig. 2, the utility model provides a kind of engine-cooling system, the system comprises: High-temperature cooling
System 1, low-temperature cooling system 2, inlet pipeline 3 and outlet pipeline 4；
Low-temperature cooling system 2 includes electronic water pump 21, cooling equipment 22 and the first radiator 23；Electronic water pump 21, cooling
Equipment 22 and the first radiator 23 are sequentially connected；
The first end of the first end connection High-temperature cooling system 1 of inlet pipeline 3, the second end of inlet pipeline 3 are set to electronics
Between water pump 21 and cooling equipment 22；The first end of outlet pipeline 4 is set between cooling equipment 22 and the first radiator 23, water outlet
The second end of the second end connection High-temperature cooling system 1 of pipeline 4；
Low-temperature cooling system 2 further includes regulating valve 24, when regulating valve 24 is in first state, electronic water pump 21, cooling
The first loop conducting that equipment 22 and the first radiator 23 are formed；When regulating valve 24 is in the second state, High-temperature cooling system
1, inlet pipeline 3, cooling equipment 22 and outlet pipeline 4 form the conducting of the second loop.
The present embodiment is applied to engine-cooling system, can be used for exhaust gas recirculatioon (Exhaust Gas
Recirculation, EGR) gas cooled down.Application of the EGR technology on petrol engine, mostly based on low pressure EGR, i.e.,
Draw EGR gas after turbine, after converging before compressor with fresh air, enters compressor jointly.Current gasoline supercharging hair
Motivation all cools down the compressed high-temperature gas of compressor using air intake intercooler, and then improves volumetric efficiency, improves and move
Power.That is, engine is in addition to cylinder, it further include the parts such as booster and intercooler.But due to intercooler, booster and
Cooling temperature required for the gray iron of cylinder, flow and control logic are completely different, and therefore, existing engine is cold
But system includes High-temperature cooling system 1 and low-temperature cooling system 2.Wherein, the water temperature of the cooling water in High-temperature cooling system 1 is higher than
The water temperature of cooling water in low-temperature cooling system 2.Existing High-temperature cooling system 1 and low-temperature cooling system 2 are relatively independent, and high temperature is cold
But system 1 and each self-forming circulation loop of low-temperature cooling system 2.But such design, at low ambient temperatures, compressor pressure
Intake air temperature after contracting may be just beyond 0 DEG C, thus the coolant temperature of low-temperature cooling system may be very low always, mixing
The engine charge of EGR gas may cause the risk of air inlet icing, and engine can not work normally, and then still cannot use
EGR.Also, too low intake air temperature is unfavorable for oil consumption reduction instead, or even oil consumption is caused to increase.
The inlet pipeline 3 and outlet pipeline 4 that setting is actively connected between High-temperature cooling system 1 and low-temperature cooling system 2.
And it is equipped with regulating valve 24 in low-temperature cooling system, regulating valve 24 may be at first state and the second state, when regulating valve exists
When first state, the state that the first state, that is, inlet pipeline 3 or outlet pipeline 4 are not turned on, at this point, electronic water pump 21, cold
But the first loop conducting that equipment 22 and the first radiator 23 are formed；When regulating valve 24 is in the second state, second shape
State is the state intake and see six tunnels 3 or the conducting of outlet pipeline 4, at this time High-temperature cooling system 1, inlet pipeline 3, cooling 22 and of equipment
Outlet pipeline 4 forms the conducting of the second loop.Regulating valve 24 can enable cooling equipment 22 between high and low temperature cooling system into
Row switching, can not only be used for a part of the circulation of High-temperature cooling system 1, can also be used as a part of the circulation of low-temperature cooling system 2.
Regulating valve 24 can be adjusted to the second state at low ambient temperatures by the present embodiment, can also be in this way, even if at low ambient temperatures
Engine charge is heated using the cooling water of higher temperature in High-temperature cooling system, improves intake air temperature, so that
Engine remains to work normally at low ambient temperatures.
In the present embodiment, increase inlet pipeline 3 and outlet pipeline between High-temperature cooling system 1 and low-temperature cooling system 2
4, low-temperature cooling system includes electronic water pump 21, cooling equipment 22, the first radiator 23 and regulating valve 24, when regulating valve 24 is in
When first state, the first loop that the electronic water pump 21, cooling equipment 22 and the first radiator 23 are formed is connected；When the tune
When section valve 24 is in the second state, High-temperature cooling system 1, inlet pipeline 3, cooling equipment 22 and outlet pipeline 4 form the second ring
Road conducting.In this way, at low ambient temperatures, can be used the cooling water of higher temperature in High-temperature cooling system to engine charge into
Row heating, improves intake air temperature, so that engine remains to work normally at low ambient temperatures.
As a kind of optional embodiment, regulating valve 24 can be triple valve, and triple valve includes the first valve, the second valve
Door, third valve；First valve connects inlet pipeline 3 or the outlet pipeline 4, and the second valve connects cooling equipment 22, third
Valve connects electronic water pump 21 or the first radiator 23；
When triple valve is in first state, the second valve and third valve opening, the first valve are closed；
When triple valve is in the second state, the first valve and the second valve opening, third valve are closed.
In the present embodiment, regulating valve 24 can be triple valve, and there are three port, One In and Two Out for triple valve tool.First valve,
Three ports that second valve and third valve are.One outlet, i.e. the first valve are arranged at the bottom of triple valve.When inner spool is not
When with position, outlet is different.For example, triple valve is in first state, the corresponding port quilt of the first valve when spool is at lower part
It blocks, at this point, the second valve and third valve opening, the first valve is closed, that is to say, that the left and right of triple valve communicates.Therefore,
The first loop conducting that electronic water pump 21, cooling equipment 22 and the first radiator 23 are formed.When spool is at top, at triple valve
In the second state, the corresponding port of third valve is plugged, at this point, the first valve and the second valve opening, third valve is closed,
That is, the left and right of triple valve disconnects.Therefore, High-temperature cooling system 1, inlet pipeline 3, cooling equipment 22 and outlet pipeline 4
Form the conducting of the second loop.By controlling the state of triple valve, can enable cooling equipment 22 high and low temperature cooling system it
Between switch over, structure is simple, easy for installation, and convenient for adjusting.
It should be noted that the utility model embodiment is not limited to use triple valve as regulating valve, it is also possible to other
The regulating valve that cooling equipment 22 can be enable to switch between high and low temperature cooling system.
Further, the second end of inlet pipeline 3 and the formation first node of low-temperature cooling system 2, the first of outlet pipeline 4
End forms second node with low-temperature cooling system 2；
When triple valve is set to first node；First valve is connect with the second end of inlet pipeline 3, and the second valve is set with cooling
Standby 22 connection, third valve are connect with electronic water pump 21.
When triple valve is set to second node；First valve is connect with the first end of outlet pipeline 4, and the second valve is set with cooling
Standby 22 connection, third valve are connect with the first radiator 23.
In the present embodiment, triple valve can be set to two kinds of positions, i.e. first node or second node.Triple valve may be at
Two states, first state or the second state.
When triple valve is set to first node, the first valve connects the second end of inlet pipeline 3, the connection cooling of the second valve
Equipment 22, third valve connect electronic water pump 21.If triple valve is in first state, the second valve and third valve opening,
First valve is closed, and is at this time conducting, inlet pipeline 3 and low-temperature cooling system 2 between electronic water pump 21 and cooling equipment 22
It is separated, at this point, the first loop conducting that electronic water pump 21, cooling equipment 22 and the first radiator 23 are formed.If triple valve
When in the second state, the first valve and the second valve opening, third valve are closed, at this point, electronic water pump 21 and cooling equipment
Be between 22 disconnect, be connected between inlet pipeline 3 and low-temperature cooling system 2, at this point, High-temperature cooling system 1, inlet pipeline 3,
Cooling equipment 22 and outlet pipeline 4 form the conducting of the second loop.
When triple valve is set to second node, the first valve connects the first end of outlet pipeline 4, the connection cooling of the second valve
Equipment 22, third valve connect the first radiator 23.If triple valve is in first state, the second valve and third valve are opened
It opens, the first valve is closed, and is at this time conducting, outlet pipeline 4 and sub-cooled between the first radiator 23 and cooling equipment 22
System 2 it is separated, at this point, the first loop conducting that electronic water pump 21, cooling equipment 22 and the first radiator 23 are formed.If three
When port valve is in the second state, the first valve and the second valve opening, third valve are closed, at this point, the first radiator 23 and cold
But it is to disconnect between equipment 22, is connected between outlet pipeline 4 and low-temperature cooling system 2, at this point, High-temperature cooling system 1, water inlet
Pipeline 3, cooling equipment 22 and outlet pipeline 4 form the conducting of the second loop.
In above-described embodiment, triple valve can be located at first node or second node, and setting is flexibly and installation is simple and convenient,
Cooling equipment 22 can be enabled to switch between high and low temperature cooling system.
As a kind of optional embodiment, when environment temperature or Engine Inlet Temperature are lower than setting value, regulating valve 24
In the second state；When environment temperature or Engine Inlet Temperature are greater than or equal to setting value, regulating valve 24 is in the first shape
State.
In the present embodiment, regulating valve 24 can switch between the first state and a second state, the state of regulating valve 24
It can be controlled according to environment temperature or Engine Inlet Temperature setting value.
When environment temperature or Engine Inlet Temperature are lower than setting value, regulating valve 24 is in the second state, at this point, high temperature
The second loop conducting that cooling system 1, inlet pipeline 3, cooling equipment 22 and outlet pipeline 4 are formed, can use High-temperature cooling
The cooling water of system higher temperature heats air inlet, can prevent the engine charge containing EGR gas from freezing, expanding
EGR applying working condition, and then give full play to the effect of its energy-saving and emission-reduction.Even if on the type of not EGR, can also to air inlet into
Row heating, and then reduce oil consumption.In this case, electronic water pump 21 does not work.
When environment temperature or Engine Inlet Temperature are greater than or equal to setting value, regulating valve 24 is in first state, low
Warm cooling system 2 restores conventional circulation status, i.e. the first ring for being formed of electronic water pump 21, cooling equipment 22 and the first radiator 23
Road conducting.
The state of regulating valve 24 can be adjusted according to environment temperature or Engine Inlet Temperature in the present embodiment, can
Preferably the state of regulating valve 24 is switched over, so that at low ambient temperatures, cooling equipment 22 can be made to be in height in time
In warm cooling system 1, so that engine remains to work normally at low ambient temperatures.
As a kind of optional embodiment, cooling equipment 22 may include water-air inter cooler 221 and booster 222；Water-
The first end of air inter cooler 221 and the first end of booster 222 are connect after converging with electronic water pump 21；Water-air inter cooler 221
Second end and the second end of booster 222 are connect after converging with first radiator 23.
In the present embodiment, intercooler is turbo charged auxiliary equipment, it acts as reducing pressurized high temperature air temperature,
To reduce the thermic load of engine, air inflow is improved, and then increase the power of engine.For engine with supercharger, in it is cold
Device is the important component of pressure charging system.Intercooler includes air-air intercooler and water-air inter cooler, and air-air middle cold air is with sky
Based on cold air, using the environment air inlet of cabin front end, engine charge is cooled down.When temperature be lower than 0 DEG C, contain EGR gas
The engine charge of body, which is easy to condense in intercooler, to freeze, and gas handling system is blocked, so that engine can not work.Therefore, it selects
Air-air intercooler is replaced to add using the water temperature of higher temperature to air inlet using water as cooling medium with water-air inter cooler 221
Heat.Also, when environment temperature is too low, cooling equipment 22, i.e. water-air inter cooler 221 and booster 222 can switch to high temperature
In the circulation of cooling system, the engine charge containing EGR gas can be heated, reduce the hair containing EGR gas
A possibility that motivation air inlet freezes.
As a kind of optional embodiment, High-temperature cooling system 1 includes mechanical water pump 101, engine water jacket 102, section temperature
Device 103, the second radiator 104, oil cooler 105, cooler for recycled exhaust gas 106, warm wind 107, partial circulating pipeline 108；
Mechanical water pump 101, engine water jacket 102, thermostat 103 and the second radiator 104 are in turn connected to form third ring
Road；
Mechanical water pump 101, engine water jacket 102, thermostat 103 and partial circulating pipeline 108 are in turn connected to form Fourth Ring
Road；
Mechanical water pump 101, engine water jacket 102, thermostat 103, warm wind 107 and partial circulating pipeline 108 are sequentially connected shape
At fifth ring road；
Mechanical water pump 101, oil cooler 105 and partial circulating pipeline 108 are in turn connected to form the sixth ring road；
Mechanical water pump 101, exhaust gas recirculation EGR cooler 106 and partial circulating pipeline 108 are in turn connected to form the 7th ring
Road.
In the present embodiment, High-temperature cooling system 1 can be formed third loop, the Fourth Ring road, fifth ring road, the sixth ring road and
7th loop.The cooling water that mechanical water pump 101 is drawn, by engine water jacket 102, thermostat 103 and the second radiator 104,
Mechanical water pump 1 is returned, in this way formation third loop；The cooling water that mechanical water pump 101 is drawn, by engine water jacket 102, section
Warm device 103 and partial circulating pipeline 108, return mechanical water pump 101, in this way the formation Fourth Ring road；Mechanical water pump 101 is drawn cold
But water by engine water jacket 102 and asks 103, warm wind 107 and partial circulating pipeline 108, returns mechanical water pump 101, this
Sample forms fifth ring road.Wherein, warm wind 107 is used to take away the temperature in cooling water, and the pipeline of warm wind 107 is smaller, waste cold
But water is recycled from third loop or the Fourth Ring road.When the water temperature of cooling water is lower than certain value, passes through from the Fourth Ring road, work as cooling
When being higher than certain value of water, pass through from third loop.The cooling water that mechanical water pump 101 is drawn, by oil cooler 105, partial circulating
Mechanical water pump 101 is returned to after pipeline 108, is formed the sixth ring road, is used to machine oil and is cooled down.Mechanical water pump 101 is drawn
Cooling water return mechanical water pump after cooler for recycled exhaust gas 106 and partial circulating pipeline 108, the 7th loop can be formed, use
It is cooled down in EGR gas.By different loops, the different parts of engine are cooled down, cooling effect is more preferable, cooling
It is more efficient.
Further, High-temperature cooling system 1 further includes expansion kettle 109, moisturizing general pipeline 110, the first water pipe 111 and
Two water pipes 112；
The first end of the first end connection moisturizing general pipeline 110 of expansion kettle 109；The second end of moisturizing general pipeline 110 is separately connected
The first end of the first end of first water pipe 111 and the second water pipe 112；The second end of first water pipe 111 connects
Low-temperature cooling system 2；The second end of second water pipe 112 connects High-temperature cooling system 1.
In the present embodiment, expansion kettle 109 is the component being uniquely communicated with the atmosphere in engine component, can be led to big
Gas has the function of pressure stabilizing, and can store a small amount of cooling water, for High-temperature cooling system 1 and low-temperature cooling system 2
Carry out moisturizing.By the way that expansion kettle 109 is arranged, can internal engine pressures be balanced, prevent from leading to engine because pressure is excessive
Failure.Also, High-temperature cooling system 1 is connected to low-temperature cooling system 2 by expansion kettle, but connection amount is seldom, Ke Yiyou
Effect reduces high and low temperature cooling system interfering with each other in each self-loopa.
Further, the second radiator 104 can be equipped with water injection hole.For cooling water to be injected 1 He of High-temperature cooling system
In low-temperature cooling system 2.The cooling water of second radiator 104 can pass through moisturizing general pipeline 110, the first water pipe 111 and
Two water pipes 112 are passed through in low-temperature circulating system 1.So that cooling water follows in High-temperature cooling system 1 and low-temperature cooling system 2
Circulation is dynamic.
Further, High-temperature cooling system 1 further includes the first degasification pipeline 113 and the second degasification pipeline 114；
The first end of first degasification pipeline 113 connects low-temperature cooling system 2；The second end of first degasification pipeline 113 connects
The second end of expansion kettle 109；
The first end of second degasification pipeline 113 connects High-temperature cooling system 1；The second end of second degasification pipeline 114 connects
The third end of expansion kettle 109.
In the present embodiment, for discharging to the air in low-temperature cooling system 2, second removes the first degasification pipeline 113
Air pipe 114 is for discharging the air in High-temperature cooling system 1.So that High-temperature cooling system 1 and low-temperature cooling system 2
In air can discharge in time so that internal engine pressures keep balance.Due to the first degasification pipeline 113 and
Two degasification pipelines 114 can take away a part of water when air is discharged, therefore, can be by expansion kettle 109 to High-temperature cooling system 1
Moisturizing is carried out with low-temperature cooling system 2, to guarantee that the amount of the cooling water in High-temperature cooling system 1 and low-temperature cooling system 2 is kept
Balance.
The utility model additionally provides a kind of vehicle, including above-mentioned engine-cooling system.What the vehicle included starts
Machine cooling system is identical as the structure of above-mentioned engine-cooling system, and can reach identical technical effect, to avoid repeating, this
In repeat no more.
The embodiments of the present invention are described above in conjunction with attached drawing, but the utility model is not limited to
The specific embodiment stated, the above mentioned embodiment is only schematical, rather than restrictive, this field it is common
Technical staff is not departing from the utility model aims and scope of the claimed protection situation under the enlightenment of the utility model
Under, many forms can be also made, are belonged within the protection of the utility model.
Claims (10)
1. a kind of engine-cooling system, which is characterized in that the system comprises: High-temperature cooling system, low-temperature cooling system, into
Water lines and outlet pipeline；
The low-temperature cooling system includes electronic water pump, cooling equipment and the first radiator；The electronic water pump, cooling equipment and
First radiator is sequentially connected；
The first end of the inlet pipeline connects the first end of the High-temperature cooling system, and the second end of the inlet pipeline is set to
Between the electronic water pump and the cooling equipment；The first end of the outlet pipeline is set to the cooling equipment and described first
Between radiator, the second end of the outlet pipeline connects the second end of the High-temperature cooling system；
The low-temperature cooling system further includes regulating valve, when the regulating valve is in first state, the electronic water pump, cooling
The first loop conducting that equipment and the first radiator are formed；When the regulating valve is in the second state, the High-temperature cooling system
System, inlet pipeline, cooling equipment and outlet pipeline form the conducting of the second loop.
2. engine-cooling system according to claim 1, which is characterized in that the regulating valve be triple valve, described three
Port valve includes the first valve, the second valve, third valve；First valve connects the inlet pipeline or the outlet pipe
Road, second valve connect the cooling equipment, and the third valve connects the electronic water pump or first radiator；
When the triple valve is in first state, second valve and the third valve opening, first valve are closed
It closes；
When the triple valve is in the second state, first valve and second valve opening, the third valve are closed
It closes.
3. engine-cooling system according to claim 2, which is characterized in that the second end of the inlet pipeline with it is described
Low-temperature cooling system forms first node, and the first end of the outlet pipeline and the low-temperature cooling system form second node；
When the triple valve is set to first node；First valve is connect with the second end of the inlet pipeline, and described second
Valve is connect with the cooling equipment, and the third valve is connect with the electronic water pump；
When the triple valve is set to second node；First valve is connect with the first end of the outlet pipeline, and described second
Valve is connect with the cooling equipment, and the third valve is connect with first radiator.
4. engine-cooling system according to claim 1, which is characterized in that when environment temperature or Engine Inlet Temperature
When lower than setting value, the regulating valve is in the second state；When environment temperature or Engine Inlet Temperature are greater than or equal to setting
When value, the regulating valve is in first state.
5. engine-cooling system according to claim 1, which is characterized in that the cooling equipment includes that water-is aerial cold
Device and booster；The first end of the water-air inter cooler and the first end of the booster connect after converging with the electronic water pump
It connects；The second end of the water-air inter cooler and the second end of the booster are connect after converging with first radiator.
6. engine-cooling system according to claim 1, which is characterized in that the High-temperature cooling system includes mechanical water
Pump, engine water jacket, thermostat, the second radiator, oil cooler, cooler for recycled exhaust gas, warm wind, partial circulating pipeline；
The mechanical water pump, engine water jacket, thermostat and the second radiator are in turn connected to form third loop；
The mechanical water pump, engine water jacket, thermostat and partial circulating pipeline are in turn connected to form the Fourth Ring road；
The mechanical water pump, engine water jacket, thermostat, warm wind and partial circulating pipeline are in turn connected to form fifth ring road；
The mechanical water pump, oil cooler and partial circulating pipeline are in turn connected to form the sixth ring road；
The mechanical water pump, cooler for recycled exhaust gas and partial circulating pipeline are in turn connected to form the 7th loop.
7. engine-cooling system according to claim 6, which is characterized in that the High-temperature cooling system further includes expansion
Pot, moisturizing general pipeline, the first water pipe and the second water pipe；
The first end of the expansion kettle connects the first end of the moisturizing general pipeline；The second end of the moisturizing general pipeline is separately connected institute
State the first end of the first water pipe and the first end of second water pipe；The second end of first water pipe connects
The low-temperature cooling system；The second end of second water pipe connects the High-temperature cooling system.
8. engine-cooling system according to claim 7, which is characterized in that the High-temperature cooling system further includes first
Degasification pipeline and the second degasification pipeline；
The first end of the first degasification pipeline connects the low-temperature cooling system；The second end of the first degasification pipeline connects
The second end of the expansion kettle；
The first end of the second degasification pipeline connects the High-temperature cooling system；The second end of the second degasification pipeline connects
The third end of the expansion kettle.
9. engine-cooling system according to claim 6, which is characterized in that second radiator is equipped with water injection hole.
10. a kind of vehicle, which is characterized in that including engine-cooling system of any of claims 1-9.
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| CN201920044999.8U CN209340025U (en) | 2019-01-10 | 2019-01-10 | A kind of engine-cooling system and vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828160A (en) * | 2020-07-24 | 2020-10-27 | 中车大连机车车辆有限公司 | System and method for improving cooling effect of engine and vehicle comprising system |
| 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 |
| CN114763762A (en) * | 2021-06-02 | 2022-07-19 | 长城汽车股份有限公司 | Method and system for controlling inter-cooling system of vehicle |
| CN115324706A (en) * | 2022-10-14 | 2022-11-11 | 潍柴动力股份有限公司 | Engine cooling water circulation system and control method thereof |
-
2019
- 2019-01-10 CN CN201920044999.8U patent/CN209340025U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828160A (en) * | 2020-07-24 | 2020-10-27 | 中车大连机车车辆有限公司 | System and method for improving cooling effect of engine and vehicle comprising system |
| CN111828160B (en) * | 2020-07-24 | 2021-10-08 | 中车大连机车车辆有限公司 | System and method for improving cooling effect of engine and vehicle comprising system |
| 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 |
| CN114763762A (en) * | 2021-06-02 | 2022-07-19 | 长城汽车股份有限公司 | Method and system for controlling inter-cooling system of vehicle |
| CN114763762B (en) * | 2021-06-02 | 2023-06-23 | 长城汽车股份有限公司 | Vehicle inter-cooling system control method and system |
| CN115324706A (en) * | 2022-10-14 | 2022-11-11 | 潍柴动力股份有限公司 | Engine cooling water circulation system and control method thereof |
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