CN206429294U - A kind of cooling system of automotive gasoline engine - Google Patents
A kind of cooling system of automotive gasoline engine Download PDFInfo
- Publication number
- CN206429294U CN206429294U CN201720105605.6U CN201720105605U CN206429294U CN 206429294 U CN206429294 U CN 206429294U CN 201720105605 U CN201720105605 U CN 201720105605U CN 206429294 U CN206429294 U CN 206429294U
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- control valve
- engine
- cooling system
- module
- cooler
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Abstract
The utility model discloses a kind of cooling system of automotive gasoline engine, including cylinder body water jacket, cylinder cover water jacket, oil cooler, water pump, vehicle steam air heater, DCT speed changers cooler, expansion tank, booster, thermostat, vehicle radiator, wherein, in addition to cooling-water temperature sensor, oil temperature sensor, the first control valve, the second control valve and the 3rd control valve.By installing the first control valve, the second control valve and the 3rd control valve, ECM is according to the different combination of the open and close of cooling-water temperature sensor 3 control valves of the water temperature fed back and the Oil-temperature control that DCT TOTSs feed back simultaneously, make the vehicle steam air heater in engine-cooling system partial circulating stream and the different opening ways of DCT speed changers cooler composition and different current roads, cooling effect of the engine-cooling system in very high temperature area is improved, the thermally equilibrated requirement of vehicle is reached.
Description
Technical field
The utility model is related to automobile cooling system field, more particularly to a kind of cooling system of automotive gasoline engine.
Background technology
The function of car engine cooling system is engine is held at appropriate temperature range under all operating modes
It is interior.Engine-cooling system should prevent engine overheat, also prevent engine to be subcooled, can if cooling capacity is not enough
Internal combustion engine is caused to overheat, charging efficiency declines, increase is inclined in early combustion and pinking, causes engine power to decline；Lubricating oil viscosity
Reduction, oil film are easily rupturable, part fretting wear aggravation；Sum it up, engine cool scarce capacity can cause dynamic property, economy
Property, reliability, durability deteriorate comprehensively.And engine cool ability is excessively, it can cause that air-fuel mixture is bad, combustion mixture point
Combustion is difficult or combustion-delaying, causes engine power declines, oil consumption rising, discharge gas non-methane hydrocarbon excessively etc..
As shown in Figure 1 to Figure 3, existing engine-cooling system includes the ＇ of cylinder body water jacket 1, the ＇ of cylinder cover water jacket 2, machine oil cooling
The ＇ of device 3, the ＇ of water pump 4, the ＇ of 5 ＇, DCT speed changer cooler of vehicle steam air heater 6, the ＇ of expansion tank 7, the ＇ of booster 8, the ＇ of thermostat 9, vehicle
The ＇ of radiator 10.The wherein ＇ of cylinder body water jacket 1, the ＇ of cylinder cover water jacket 2, the ＇ of water pump 4, the ＇ of expansion tank 7, the ＇ of booster 8, the ＇ of thermostat 9, vehicle
The ＇ of radiator 10 participates in systemic circulation stream；The ＇ of cylinder body water jacket 1, the ＇ of cylinder cover water jacket 2, the ＇ of oil cooler 3, the ＇ of water pump 4, vehicle steam air heater
The ＇ of 5 ＇, DCT speed changer cooler 6, the ＇ of booster 8, the ＇ of thermostat 9 participate in partial circulating stream.
When the ＇ of thermostat 9 is closed, coolant is circulated by partial circulating stream, now the first small stream be coolant successively
The ＇ of cylinder body water jacket 1 is returned to by the ＇ of cylinder body water jacket 1, the ＇ of cylinder cover water jacket 2, the ＇ of booster 8, the ＇ of thermostat 9, the ＇ of water pump 4；Second small stream is
Coolant passes sequentially through the ＇ of cylinder body water jacket 1, the ＇ of cylinder cover water jacket 2, the ＇ of vehicle steam air heater 5, the ＇ of water pump 4 and returns to the ＇ of cylinder body water jacket 1；3rd is small
Stream passes sequentially through the ＇ of cylinder body water jacket 1, the ＇ of 2 ＇, DCT speed changer cooler of cylinder cover water jacket 6, the ＇ of water pump 4 for coolant and returns to cylinder body water
Cover 1 ＇；4th small stream passes sequentially through the ＇ of cylinder body water jacket 1, the ＇ of oil cooler 3, the ＇ of water pump 4 for coolant and returns to the ＇ of cylinder body water jacket 1.
When the ＇ of thermostat 9 is opened, coolant is circulated by systemic circulation stream, now the first big stream be coolant successively
By returning to the ＇ of cylinder body water jacket 1 after the ＇ of cylinder body water jacket 1, the ＇ of cylinder cover water jacket 2, the ＇ of thermostat 9, the ＇ of vehicle radiator 10, the ＇ of water pump 4；Second
Big stream be coolant pass sequentially through the ＇ of cylinder body water jacket 1, the ＇ of cylinder cover water jacket 2, the ＇ of booster 8, the ＇ of thermostat 9, the ＇ of vehicle radiator 10,
The ＇ of cylinder body water jacket 1 is returned to after the ＇ of water pump 4.
The vehicle steam air heater of this engine-cooling system is normal open stream with DCT speed changer coolers and is pass in parallel
System, causes engine warm-up slow and in high temperature area, because vehicle warm wind air blower does not work, second in engine cold starting
The coolant of small stream flows through the basic indifference of the temperature difference before and after vehicle warm wind；Simultaneously through calculating find, when vehicle steam air heater with
When DCT speed changers cooler is parallel relationship, the water-carrying capacity ratio of the first big stream is when vehicle steam air heater and DCT speed changer coolers
It is small during for series relationship therefore not good in regional (such as Middle East) the summer engine-cooling system cooling effect of very high temperature,
It is unable to reach the requirement of vehicle thermal balance.
Utility model content
The purpose of this utility model is to provide a kind of engine-cooling system, by installing 3 control valves, while ECM
Fed back according to cooling-water temperature sensor water temperature and DCT TOTSs feedback 3 control valves of Oil-temperature control unlatching with
Different combinations are closed, vehicle steam air heater and DCT speed changers cooler in engine-cooling system partial circulating stream is constituted
Different opening ways and different current roads.
In order to solve the above technical problems, the utility model provides a kind of cooling system of automotive gasoline engine, including
Cylinder body water jacket, cylinder cover water jacket, oil cooler, water pump, vehicle steam air heater, DCT speed changers cooler, expansion tank, booster,
Thermostat, vehicle radiator, wherein, in addition to sensor and control valve, the sensor includes cooling-water temperature sensor and oil temperature is passed
Sensor, the control valve includes the first control valve, the second control valve and the 3rd control valve, and first control valve is located at the cylinder
On the connecting line of lid water jacket and the DCT speed changers cooler, second control valve is located at the vehicle steam air heater and institute
State on the connecting line between water pump, the 3rd control valve is located at the vehicle steam air heater and the DCT speed changers cooler
Between on the connecting line that sets；
Water temperature and the oil temperature of oil temperature sensor feedback that engine control module is fed back according to the cooling-water temperature sensor
Control the open and close of first control valve, the second control valve and the 3rd control valve.
Preferably, the engine control module includes the first module, and first module is used for when engine cold is opened
When dynamic, first control valve, the second control valve, the 3rd control valve and thermostat Close All are controlled.
Preferably, the engine control module also includes the second module, and second module is used for when DCT speed changers
When oil temperature reaches that the water temperature of 95 DEG C and engine is not up to 80 DEG C, first control valve is controlled to open, the second control valve, the
Three control valves and thermostat are closed.
Preferably, the engine control module also includes the 3rd module, and the 3rd module is used for the water when engine
When temperature reaches 80 DEG C, first control valve, the second control valve and thermostat is controlled to open, the 3rd control valve is closed.
Preferably, the engine control module also includes the 4th module, and the 4th module is used for the water when engine
When temperature reaches 105 DEG C, first control valve, the second control valve is controlled to close, the 3rd control valve, thermostat are opened.
Preferably, first control valve, the second control valve and the 3rd control valve are solenoid electric valve.
The beneficial effects of the utility model are：
The utility model provides a kind of cooling system of automotive gasoline engine, by installing the first control valve, second
Control valve and the 3rd control valve, while water temperature and DCT the TOTSs feedback that ECM feeds back according to cooling-water temperature sensor
The different combinations of open and close of 3 control valves of Oil-temperature control, warm up the vehicle in engine-cooling system partial circulating stream
Wind device and the different opening ways of DCT speed changers cooler composition and different current roads, improve engine-cooling system in pole
The cooling effect in high temperature area, reaches the thermally equilibrated requirement of vehicle.
Brief description of the drawings
Fig. 1 is the schematic diagram of the cooling system of automotive gasoline engine in the prior art；
Fig. 2 is the partial circulating stream schematic diagram of the cooling system of automotive gasoline engine in the prior art；
Fig. 3 is the systemic circulation stream schematic diagram of the cooling system of automotive gasoline engine in the prior art；
The schematic diagram of the cooling system for the automotive gasoline engine that Fig. 4 provides for the utility model embodiment；
Fig. 5 is when the first control valve, the unlatching of the second control valve, partial circulating stream schematic diagram when the 3rd control valve is closed；
Fig. 6 is the partial circulating stream schematic diagram when the 3rd control valve is opened, and the first control valve, the second control valve are closed；
The systemic circulation stream signal of the cooling system for the automotive gasoline engine that Fig. 7 provides for the utility model embodiment
Figure.
Reference is as follows：
1 ＇-cylinder body water jacket, 2 ＇-cylinder cover water jacket, 3 ＇-oil cooler, 4 ＇-water pump, 5 ＇-vehicle steam air heater, 6 ＇-DCT become
Fast device cooler, 7 ＇-expansion tank, 8 ＇-booster, 9 ＇-thermostat, 10 ＇-vehicle radiator, 1- cylinder body water jackets, 2- cylinder head waters
Set, 3- oil cooler, 4- water pumps, 5- vehicles steam air heater, 6-DCT speed changers cooler, 7- expansion tanks, 8- boosters, 9-
Thermostat, 10- vehicles radiator, 11- cooling-water temperature sensors, 12- oil temperature sensors, the control valves of 13- first, the control valves of 14- second,
The control valves of 15- the 3rd, 16- engine control module.
Embodiment
Embodiment of the present utility model is described below in detail, the example of embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, is only used for explaining the utility model, and can not be construed to limitation of the present utility model.
As shown in Figures 4 to 7, the utility model provides a kind of cooling system of automotive gasoline engine, including cylinder body
Water jacket 1, cylinder cover water jacket 2, oil cooler 3, water pump 4, vehicle steam air heater 5, DCT speed changers cooler 6, expansion tank 7, supercharging
Device 8, thermostat 9, vehicle radiator 10, wherein, in addition to sensor and control valve, sensor include cooling-water temperature sensor 11 and oil
Temperature sensor 12, control valve includes the first control valve 13, the second control valve 14 and the 3rd control valve 15, and the first control valve 13 is located at
On the connecting line of cylinder cover water jacket 2 and DCT speed changers cooler 6, the second control valve 14 be located at vehicle steam air heater 5 and water pump 4 it
Between connecting line on, the 3rd control valve 15 is located at the connecting tube that is set between vehicle steam air heater 5 and DCT speed changers cooler 6
Lu Shang；
The oil for water temperature and oil temperature sensor 12 feedback that engine control module (ECM) 16 is fed back according to cooling-water temperature sensor 11
The open and close of temperature control system the first control valve 13, the second control valve 14 and the 3rd control valve 15.
Cylinder body water jacket 1, cylinder cover water jacket 2, water pump 4, expansion tank 7, booster 8, thermostat 9, vehicle radiator 10 are participated in
Systemic circulation stream；Cylinder body water jacket 1, cylinder cover water jacket 2, oil cooler 3, water pump 4, vehicle steam air heater 5, the first control valve 13,
Two control valves 14, the 3rd control valve 15, DCT speed changers cooler 6, expansion tank 7, booster 8, thermostat 9 participate in partial circulating
Stream.
Partial circulating stream includes the first small stream, the second small stream, the 3rd small stream and the 4th small stream, the 5th rill
Road；Systemic circulation stream includes the first big stream, second largest stream.
First small stream is that coolant passes sequentially through cylinder body water jacket 1, cylinder cover water jacket 2, booster 8, thermostat 9, water pump 4 times
To cylinder body water jacket 1；Second small stream is that coolant passes sequentially through cylinder body water jacket 1, cylinder cover water jacket 2, the control of vehicle steam air heater 5, second
Valve 14 processed, water pump 4 return to cylinder body water jacket 1；3rd small stream is that coolant passes sequentially through cylinder body water jacket 1, cylinder cover water jacket 2, first
Control valve 13, DCT speed changers cooler 6, water pump 4 return to cylinder body water jacket 1；4th small stream is that coolant passes sequentially through cylinder body water
Set 1, oil cooler 3, water pump 4 return to cylinder body water jacket 1；5th small stream is that coolant passes sequentially through cylinder body water jacket 1, cylinder head water
Set 2, vehicle steam air heater 5, the 3rd control valve 15, DCT speed changers cooler 6, water pump 4 return to cylinder body water jacket 1.
First big stream is that coolant passes sequentially through cylinder body water jacket 1, cylinder cover water jacket 2, thermostat 9, vehicle radiator 10, water
Cylinder body water jacket 1 is returned to after pump 4；Second largest stream is that coolant passes sequentially through cylinder body water jacket 1, cylinder cover water jacket 2, booster 8, section temperature
Cylinder body water jacket 1 is returned to after device 9, vehicle radiator 10, water pump 4.
Further, engine control module 16 includes the first module, and the first module is used for when engine cold starts,
Control the first control valve 13, the second control valve 14, the 3rd control valve 15, the Close All of thermostat 9.Engine-cooling system only has
First small stream of partial circulating and the second small stream circulation, lift engine warm-up speed.
Further, engine control module 16 also includes the second module, and the second module is used for the oil temperature when DCT speed changers
When reaching that the water temperature of 95 DEG C and engine is not up to 80 DEG C, the first control valve 13 of control is opened, the control of the second control valve the 14, the 3rd
Valve 15 and thermostat 9 processed are closed.Cooling system only has the small stream of partial circulating first, the second small stream, the 3rd small stream, lifting hair
While motivation warming-up speed, DCT speed changers are cooled off, it is to avoid DCT speed changers are overheated.
Further, engine control module 16 also includes the 3rd module, and the 3rd module is used for when the water temperature of engine reaches
During to 80 DEG C, the first control valve 13 of control, the second control valve 14, thermostat 9 are opened, and the 3rd control valve 15 is closed.Engine is cold
But system partial circulating has the second small stream, the 3rd small stream, the 4th small stream, the first big stream, the second largest stream of systemic circulation
Circulation, increases warm wind air-out comfort level.
Further, engine control module 16 also includes the 4th module, and the 4th module is used for when the water temperature of engine reaches
During to 105 DEG C, the first control valve 13 of control, the second control valve 14 are closed, and the 3rd control valve 15, thermostat 9 are opened.Cooling system
Partial circulating has the second small stream, the 5th small stream and the big stream of systemic circulation first, the circulation of second largest stream, while can increase hair
The coolant rate of the first big stream and second largest stream in motivation systemic circulation, so as to improve the cooling of engine-cooling system
Ability.
Further, the first control valve 13, the second control valve 14 and the 3rd control valve 15 are solenoid electric valve.
Construction of the present utility model, feature and action effect is described in detail according to the embodiment shown in schema above, with
Upper is only preferred embodiment of the present utility model, but the utility model is not to limit practical range shown in drawing, every according to this
The change that the conception of utility model is made, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and diagram institute
, all should be in protection domain of the present utility model during the spirit covered.
Claims (6)
1. a kind of cooling system of automotive gasoline engine, including cylinder body water jacket, cylinder cover water jacket, oil cooler, water pump, vehicle
Steam air heater, DCT speed changers cooler, expansion tank, booster, thermostat, vehicle radiator, it is characterised in that also including passing
Sensor and control valve, the sensor include cooling-water temperature sensor and oil temperature sensor, and the control valve includes the first control valve, the
Two control valves and the 3rd control valve, first control valve are located at the company of the cylinder cover water jacket and the DCT speed changers cooler
Take on road, second control valve is located on the connecting line between the vehicle steam air heater and the water pump, the described 3rd
Control valve is located on the connecting line set between the vehicle steam air heater and the DCT speed changers cooler；
Water temperature and the Oil-temperature control of oil temperature sensor feedback that engine control module is fed back according to the cooling-water temperature sensor
The open and close of first control valve, the second control valve and the 3rd control valve.
2. the cooling system of automotive gasoline engine according to claim 1, it is characterised in that the engine controls mould
Block includes the first module, and first module is used for when engine cold starts, and controls first control valve, the second control
Valve, the 3rd control valve and thermostat Close All.
3. the cooling system of automotive gasoline engine according to claim 2, it is characterised in that the engine controls mould
Block also includes the second module, and second module is used for when the oil temperature of DCT speed changers reaches that the water temperature of 95 DEG C and engine does not reach
During to 80 DEG C, first control valve is controlled to open, the second control valve, the 3rd control valve and thermostat are closed.
4. the cooling system of automotive gasoline engine according to claim 3, it is characterised in that the engine controls mould
Block also includes the 3rd module, and the 3rd module is used for when the water temperature of engine reaches 80 DEG C, control first control valve,
Second control valve and thermostat are opened, and the 3rd control valve is closed.
5. the cooling system of automotive gasoline engine according to claim 4, it is characterised in that the engine controls mould
Block also includes the 4th module, and the 4th module is used for when the water temperature of engine reaches 105 DEG C, controls first control
Valve, the second control valve are closed, and the 3rd control valve, thermostat are opened.
6. the cooling system of the automotive gasoline engine according to claim any one of 1-5, it is characterised in that described first
Control valve, the second control valve and the 3rd control valve are solenoid electric valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720105605.6U CN206429294U (en) | 2017-01-25 | 2017-01-25 | A kind of cooling system of automotive gasoline engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720105605.6U CN206429294U (en) | 2017-01-25 | 2017-01-25 | A kind of cooling system of automotive gasoline engine |
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| Publication Number | Publication Date |
|---|---|
| CN206429294U true CN206429294U (en) | 2017-08-22 |
Family
ID=59591898
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720105605.6U Expired - Fee Related CN206429294U (en) | 2017-01-25 | 2017-01-25 | A kind of cooling system of automotive gasoline engine |
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| CN (1) | CN206429294U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905879A (en) * | 2017-10-30 | 2018-04-13 | 安徽江淮汽车集团股份有限公司 | A kind of engine-cooling system |
| CN108278172A (en) * | 2017-12-21 | 2018-07-13 | 重庆长安汽车股份有限公司 | A kind of car engine cooling system and cooling means |
| CN108730496A (en) * | 2018-05-30 | 2018-11-02 | 吉利汽车研究院（宁波）有限公司 | Cooling system for speed changing box and its cooling means and automobile |
| CN108749562A (en) * | 2018-05-30 | 2018-11-06 | 吉利汽车研究院（宁波）有限公司 | Power assembly cooling device and method |
| CN109057943A (en) * | 2018-08-23 | 2018-12-21 | 重庆长安汽车股份有限公司 | A kind of mutually independent engine dual cycle cooling system |
| CN109057942A (en) * | 2018-08-23 | 2018-12-21 | 重庆长安汽车股份有限公司 | A kind of cooling system improving the reduction oil consumption of warming-up speed |
| CN114076023A (en) * | 2020-08-14 | 2022-02-22 | 比亚迪股份有限公司 | Engine thermal management system, engine thermal management method and vehicle |
| WO2023001097A1 (en) * | 2021-07-22 | 2023-01-26 | 中国第一汽车股份有限公司 | Coolant circulation system for transmission oil, control method, vehicle, and storage medium |
-
2017
- 2017-01-25 CN CN201720105605.6U patent/CN206429294U/en not_active Expired - Fee Related
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107905879A (en) * | 2017-10-30 | 2018-04-13 | 安徽江淮汽车集团股份有限公司 | A kind of engine-cooling system |
| CN108278172A (en) * | 2017-12-21 | 2018-07-13 | 重庆长安汽车股份有限公司 | A kind of car engine cooling system and cooling means |
| CN108730496A (en) * | 2018-05-30 | 2018-11-02 | 吉利汽车研究院（宁波）有限公司 | Cooling system for speed changing box and its cooling means and automobile |
| CN108749562A (en) * | 2018-05-30 | 2018-11-06 | 吉利汽车研究院（宁波）有限公司 | Power assembly cooling device and method |
| CN109057943A (en) * | 2018-08-23 | 2018-12-21 | 重庆长安汽车股份有限公司 | A kind of mutually independent engine dual cycle cooling system |
| CN109057942A (en) * | 2018-08-23 | 2018-12-21 | 重庆长安汽车股份有限公司 | A kind of cooling system improving the reduction oil consumption of warming-up speed |
| CN109057942B (en) * | 2018-08-23 | 2020-10-16 | 重庆长安汽车股份有限公司 | Cooling system for increasing warming speed and reducing oil consumption |
| CN109057943B (en) * | 2018-08-23 | 2020-11-03 | 重庆长安汽车股份有限公司 | Mutually independent engine double-circulation cooling system |
| CN114076023A (en) * | 2020-08-14 | 2022-02-22 | 比亚迪股份有限公司 | Engine thermal management system, engine thermal management method and vehicle |
| WO2023001097A1 (en) * | 2021-07-22 | 2023-01-26 | 中国第一汽车股份有限公司 | Coolant circulation system for transmission oil, control method, vehicle, and storage medium |
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