CN107461255A - A kind of engine-cooling system - Google Patents
A kind of engine-cooling system Download PDFInfo
- Publication number
- CN107461255A CN107461255A CN201710882410.7A CN201710882410A CN107461255A CN 107461255 A CN107461255 A CN 107461255A CN 201710882410 A CN201710882410 A CN 201710882410A CN 107461255 A CN107461255 A CN 107461255A
- Authority
- CN
- China
- Prior art keywords
- cooling system
- water
- water pump
- high temperature
- coolant
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P3/00—Liquid cooling
- F01P3/20—Cooling circuits not specific to a single part of engine or machine
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
-
- 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
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
-
- 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
- F01P2050/00—Applications
- F01P2050/22—Motor-cars
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
Abstract
The invention discloses a kind of engine-cooling system, including high temperature circulation cooling system, wherein：The high temperature circulation cooling system includes high temperature heat sink, thermostat, the first water pump, cylinder body water jacket, cylinder cover water jacket, electronics water valve and warm wind；The high temperature circulation cooling system includes two kinds of coolant streams of systemic circulation and partial circulating；In the partial circulating, the electronics water valve is closed；In the systemic circulation, the electronics water valve is opened, and is divided into two-way after the coolant outflow of the cylinder cover water jacket, is returned to the high temperature heat sink all the way, another way returns to first water pump after flowing through the electronics water valve, the warm wind.Compared with prior art, the present invention increases electronics water valve in warm wind outlet pipeline, passes through the control to electronics water valve break-make, make in the case where not influenceing crew comfort, reach the effect of rapid warming-up, so as to reduce friction loss, reach the purpose of fuel-economizing.
Description
Technical field
The present invention relates to automobile cooling system technical field, particularly a kind of engine-cooling system.
Background technology
As fuel economy regulation requires increasingly strict, Automobile Enterprises apply many fuel-saving techniques to meet that national legislation provides
Oil consumption limit value.Fuel-saving technique common at present has：Thermal management technology, start-stop technology, intelligent generator, low rolling resistance tire, electricity
Sub- power-assisted steering, economy schedule, energy-saving lubricant oil etc..
Thermal management technology can shorten warm-up period in warm-up period at present, quick to improve coolant and oil temperature, in fact
Existing engine is quickly switched into heat engine state from cold, friction loss is reduced, so as to reach the purpose of energy-conservation.
It is normal open water route in current cooling system technical scheme, between engine and warm-air drier；Cooling water channel be divided into by
Middle cold heat sink, charge air cooler, the low-temperature circuit that booster is formed and the high-temperature circuit being made up of radiator, engine, warm wind.
Current technology scheme, it is normal open water route between engine and warm wind, in vehicle cold start, thermostat closes
Closing, engine is in partial circulating state, in north cold area, because warm wind loop is normally open, engine section heat
Distributed by warm wind pipeline and warm air radiator, cause thermal loss, be unfavorable for engine rapid warming-up, so as to cause engine
Friction loss increase, increases oil consumption, while engine warms are slow, and driver's cabin temperature rise is slow when user opens warm wind, cause comfortableness compared with
Difference.
The content of the invention
It is an object of the invention to provide a kind of engine-cooling system, to solve deficiency of the prior art, it can be
In the case of not influenceing crew comfort, reach the effect of rapid warming-up, so as to reduce friction loss, reach the mesh of fuel-economizing
's.
The invention provides a kind of engine-cooling system, including high temperature circulation cooling system, wherein：
The high temperature circulation cooling system include high temperature heat sink, thermostat, the first water pump, cylinder body water jacket, cylinder cover water jacket,
Electronics water valve and warm wind；
The high temperature circulation cooling system includes two kinds of coolant streams of systemic circulation and partial circulating；
In the partial circulating, the electronics water valve is closed, and institute is flowed through successively behind the outlet that coolant passes through the first water pump
State the entrance that first water pump is supplied to after cylinder body water jacket, the cylinder cover water jacket and the thermostat；
In the systemic circulation, the electronics water valve is opened, and the coolant for coming from the high temperature heat sink flows through section temperature
The entrance of first water pump is supplied to after device, coolant flows through the cylinder body water successively behind the outlet by first water pump
Set and the cylinder cover water jacket, it is divided into two-way after the coolant outflow of the cylinder cover water jacket, returns to the high temperature heat sink all the way, separately
First water pump is returned to after flowing through the electronics water valve, the warm wind all the way.
Engine-cooling system as described above, these, it is preferred to, also include low-temperature circulating cooling system, it is described
Low-temperature circulating cooling system includes low-temperature radiator, the second water pump and charge air cooler, comes from the cooling of the low-temperature radiator
Liquid is pumped out by second water pump flow through the charge air cooler after return to the low-temperature radiator.
Engine-cooling system as described above, these, it is preferred to, the high temperature circulation cooling system also includes supercharging
Device and the 3rd water pump, the coolant of the first water pump are divided into two-way after pumping out, and are supplied to the cylinder body water jacket all the way, and another way provides
To the 3rd water pump, coolant is pumped into after the booster by the 3rd water pump and flows to the cylinder cover water jacket.
Engine-cooling system as described above, these, it is preferred to, in addition to water pipe, described in expansion tank warp
Water pipe supplements coolant to first water pump and second water pump.
Engine-cooling system as described above, these, it is preferred to, in addition to gas exhaust piping, the low-temperature radiator
Connected with the high temperature heat sink through the gas exhaust piping with the expansion tank.
Engine-cooling system as described above, these, it is preferred to, the warm wind includes preceding warm wind and rear warm wind.
Compared with prior art, the present invention increases electronics water valve in warm wind outlet pipeline, by electronics water valve break-make
Control, make in the case where not influenceing crew comfort, reached the effect of rapid warming-up, so as to reduce friction damage
Lose, reach the purpose of fuel-economizing.
Brief description of the drawings
Fig. 1 is the cooling system schematic diagram of the present invention.
Description of reference numerals：1- high temperature heat sinks, 2- thermostats, the water pumps of 3- first, 4- cylinder body water jackets, 5- cylinder cover water jackets,
6- electronics water valves, 7- low-temperature radiators, the water pumps of 8- second, 9- charge air coolers, 10- boosters, the water pumps of 11- the 3rd, 12- filling pipes
Road, 13- gas exhaust pipings, warm wind before 14-, warm wind after 15-, 16- expansion tanks.
Embodiment
The embodiments described below with reference to the accompanying drawings are exemplary, is only used for explaining the present invention, and can not be construed to
Limitation of the present invention.
As shown in figure 1, the embodiment provides a kind of engine-cooling system, including high temperature circulation cooling system
System, wherein：
The high temperature circulation cooling system includes high temperature heat sink 1, thermostat 2, the first water pump 3, cylinder body water jacket 4, cylinder cap
Water jacket 5, electronics water valve 6 and warm wind, the first water pump 3 are preferably switching regulator mechanical water pump.
The high temperature circulation cooling system includes two kinds of coolant streams of systemic circulation and partial circulating, engine water outlet water temperature
Higher than predetermined temperature, high temperature circulation cooling system is in systemic circulation state；Engine water outlet water temperature is less than predetermined temperature, high temperature
Circulating cooling system is in partial circulating state.
Systemic circulation coolant stream and low-temperature circulating in high temperature circulation cooling system are represented with solid line with the arrow in Fig. 1
Coolant flow direction in cooling system, the partial circulating represented with dash line with the arrow in high temperature circulation cooling system cool down
Liquid flow direction.
In the partial circulating, now engine water temperature is relatively low, and the electronics water valve 6 is closed, and coolant passes through the first water
First water is supplied to after flowing through the cylinder body water jacket 4, the cylinder cover water jacket 5 and the thermostat 2 behind the outlet of pump 3 successively
The entrance of pump 3.
In the systemic circulation, now engine water temperature is higher, and the electronics water valve 6 is opened, and comes from the high temperature and dissipates
The coolant of hot device 1 flows through the entrance that first water pump 3 is supplied to after thermostat 2, and coolant passes through first water pump 3
The cylinder body water jacket 4 and the cylinder cover water jacket 5 are flowed through behind outlet successively, is divided into two after the coolant outflow of the cylinder cover water jacket 5
Road, returns to the high temperature heat sink 1 all the way, and another way returns to first water pump after flowing through the electronics water valve 6, the warm wind
3。
As a preferred embodiment, the electronics water valve 6 is opened and closed and controlled by ECU, electronics water valve 6 is in nature
It is down normal open state, waits when starting the vehicle, in partial circulating, ECU monitoring engine water temperatures is less than predetermined temperature, ECU hairs
Go out instruction, be powered to the electronics water valve 6, close electronics water valve 6, after ensureing engine start, warm wind loop blocks, and makes to warm up
Wind system does not cause thermal loss.When ECU monitors engine water temperature when more than or equal to predetermined temperature, ECU sends instruction, makes electricity
Sub- water valve 6 is powered off, and electronics water valve 6 is opened, and makes warm wind return path, and warm wind can be with normal use, and now cooling system is also place
In systemic circulation.
Further, low-temperature circulating cooling system is also included, the low-temperature circulating cooling system includes low-temperature radiator
7th, the second water pump 8 and charge air cooler 9, the coolant for coming from the low-temperature radiator 7 are pumped out by second water pump 8 and flow through institute
The low-temperature radiator 7 is returned to after stating charge air cooler 9, second water pump 8 is preferably electronic water pump, using electronic integration system control
Liquid transmission processed, realize adjustability, the accuracy of liquid transporting.
Booster 10 is cooled in low-temperature circulating cooling system in routine techniques, and the heat for adding low-temperature radiator 7 is born
Lotus, the cooling effect of low-temperature radiator 7 is reduced, raises Engine Inlet Temperature, because engine performance is entered to engine
Temperature is more sensitive, intake air temperature rise, declines engine performance obvious.
The water route of booster 10 is moved to high temperature circulation cooling system by the technical program by low-temperature circulating cooling system, specifically
Ground, the high temperature circulation cooling system also include the water pump 11 of booster 10 and the 3rd, and the coolant of the first water pump 3 is divided into after pumping out
Two-way, the cylinder body water jacket 4 is supplied to all the way, another way is supplied to the 3rd water pump 11, and coolant is by the 3rd water pump
11 be pumped into the booster 10 after flow to the cylinder cover water jacket 5.
3rd water pump 11 is preferably electronic water pump, using electronic integration system control liquid transmission, realizes liquid transporting
Adjustability, accuracy.
The water route of booster 10 moves to high temperature circulation cooling system by low-temperature circulating cooling system, and participate in simultaneously systemic circulation and
The water route heat of booster 10 can be flowed into engine partial circulating with water route, can lift engine warm-up speed by partial circulating, this measure
Degree, while cold heat sink thermic load in can reducing, to lift engine performance.
Also include water pipe 12, expansion tank 16 is through the water pipe 12 to first water pump 3 and described second
Water pump 8 supplements coolant, and hypotony produces cavitation erosion before preventing the first water pump 3 and second water pump 8.
Also include gas exhaust piping 13, the low-temperature radiator 7 and the high temperature heat sink 1 are through the gas exhaust piping 13 and institute
Expansion tank 16 is stated to connect.The coolant for being mixed with bubble in the low-temperature radiator 7 and the high temperature heat sink 1 is due to pressure
Power is poor and enters expansion tank 16, and low-temperature radiator 7 connects expansion tank 16 by different entrances from high temperature heat sink 1 and realized
Exhaust, can prevent the hypertonia of gas exhaust piping 13 of high temperature circulation cooling system and influence the row of low-temperature circulating cooling system
Gas.
Further, the warm wind includes preceding warm wind 14 and rear warm wind 15.
Construction, feature and the action effect of the present invention, above institute is described in detail according to the embodiment shown in schema above
Only presently preferred embodiments of the present invention is stated, but the present invention is not to limit practical range shown in drawing, it is every according to structure of the invention
Want made change, or be revised as the equivalent embodiment of equivalent variations, when still without departing from specification and illustrating covered spirit,
All should be within the scope of the present invention.
Claims (6)
1. a kind of engine-cooling system, including high temperature circulation cooling system, it is characterised in that：
The high temperature circulation cooling system include high temperature heat sink (1), thermostat (2), the first water pump (3), cylinder body water jacket (4),
Cylinder cover water jacket (5), electronics water valve (6) and warm wind；
The high temperature circulation cooling system includes two kinds of coolant streams of systemic circulation and partial circulating；
In the partial circulating, the electronics water valve (6) is closed, and is flowed through successively behind the outlet that coolant passes through the first water pump (3)
The entrance of first water pump (3) is supplied to after the cylinder body water jacket (4), the cylinder cover water jacket (5) and the thermostat (2)；
In the systemic circulation, the electronics water valve (6) is opened, and the coolant for coming from the high temperature heat sink (1) flows through section
The entrance of first water pump (3) is supplied to after warm device (2), coolant flows successively behind the outlet by first water pump (3)
Through the cylinder body water jacket (4) and the cylinder cover water jacket (5), it is divided into two-way after the coolant outflow of the cylinder cover water jacket (5), all the way
The high temperature heat sink (1) is returned to, another way returns to first water pump after flowing through the electronics water valve (6), the warm wind
(3)。
2. engine-cooling system according to claim 1, it is characterised in that：Also include low-temperature circulating cooling system,
The low-temperature circulating cooling system includes low-temperature radiator (7), the second water pump (8) and charge air cooler (9), comes from the low temperature
The coolant of radiator (7) is pumped out by second water pump (8) flow through the charge air cooler (9) after return to the low-temperature radiator
(7)。
3. engine-cooling system according to claim 2, it is characterised in that：The high temperature circulation cooling system also includes
Booster (10) and the 3rd water pump (11), the coolant of the first water pump (3) are divided into two-way after pumping out, are supplied to the cylinder body all the way
Water jacket (4), another way are supplied to the 3rd water pump (11), and coolant is pumped into the booster by the 3rd water pump (11)
(10) cylinder cover water jacket (5) is flowed to after.
4. engine-cooling system according to claim 2, it is characterised in that：Also include water pipe (12), swelling water
Case (16) supplements coolant through the water pipe (12) to first water pump (3) and second water pump (8).
5. engine-cooling system according to claim 2, it is characterised in that：Also include gas exhaust piping (13), it is described low
Temperature radiator (7) and the high temperature heat sink (1) connect through the gas exhaust piping (13) with the expansion tank (16).
6. according to the engine-cooling system described in any one of claim 1 to 5, it is characterised in that：The warm wind includes preceding warm
Wind (14) and rear warm wind (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882410.7A CN107461255A (en) | 2017-09-26 | 2017-09-26 | A kind of engine-cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710882410.7A CN107461255A (en) | 2017-09-26 | 2017-09-26 | A kind of engine-cooling system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107461255A true CN107461255A (en) | 2017-12-12 |
Family
ID=60553251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710882410.7A Pending CN107461255A (en) | 2017-09-26 | 2017-09-26 | A kind of engine-cooling system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107461255A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882280A (en) * | 2019-03-21 | 2019-06-14 | 福建德普柯发电设备有限公司 | Multiple temperature control diesel generating set based on big data operational analysis |
| CN110145391A (en) * | 2019-04-02 | 2019-08-20 | 中国北方发动机研究所(天津) | A kind of hybrid power multi-cycle cooling system |
| CN110273746A (en) * | 2019-04-29 | 2019-09-24 | 江铃汽车股份有限公司 | A kind of parallel cooling system for vehicle and its operation method |
| CN111555553A (en) * | 2020-06-03 | 2020-08-18 | 湖南联诚轨道装备有限公司 | Rail transit permanent magnet traction motor cooling device |
| US11098638B2 (en) | 2018-11-30 | 2021-08-24 | Progress Rail Locomotive Inc. | Engine jacket cooling system for locomotive |
| CN114670595A (en) * | 2020-12-24 | 2022-06-28 | 长城汽车股份有限公司 | Vehicle warm air control method and device, warm air system and vehicle |
| CN115234365A (en) * | 2022-08-02 | 2022-10-25 | 中船动力研究院有限公司 | High-speed engine for ship |
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| CN200989235Y (en) * | 2006-12-06 | 2007-12-12 | 奇瑞汽车有限公司 | Engine cooling system |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11098638B2 (en) | 2018-11-30 | 2021-08-24 | Progress Rail Locomotive Inc. | Engine jacket cooling system for locomotive |
| CN109882280A (en) * | 2019-03-21 | 2019-06-14 | 福建德普柯发电设备有限公司 | Multiple temperature control diesel generating set based on big data operational analysis |
| CN110145391A (en) * | 2019-04-02 | 2019-08-20 | 中国北方发动机研究所(天津) | A kind of hybrid power multi-cycle cooling system |
| CN110273746A (en) * | 2019-04-29 | 2019-09-24 | 江铃汽车股份有限公司 | A kind of parallel cooling system for vehicle and its operation method |
| CN110273746B (en) * | 2019-04-29 | 2024-02-02 | 江铃汽车股份有限公司 | Parallel type cooling system for vehicle and operation method thereof |
| CN111555553A (en) * | 2020-06-03 | 2020-08-18 | 湖南联诚轨道装备有限公司 | Rail transit permanent magnet traction motor cooling device |
| CN114670595A (en) * | 2020-12-24 | 2022-06-28 | 长城汽车股份有限公司 | Vehicle warm air control method and device, warm air system and vehicle |
| WO2022135104A1 (en) * | 2020-12-24 | 2022-06-30 | 长城汽车股份有限公司 | Vehicle warm air control method and apparatus, warm air system and vehicle |
| CN114670595B (en) * | 2020-12-24 | 2024-02-23 | 长城汽车股份有限公司 | Vehicle warm air control method and device, warm air system and vehicle |
| CN115234365A (en) * | 2022-08-02 | 2022-10-25 | 中船动力研究院有限公司 | High-speed engine for ship |
| CN115234365B (en) * | 2022-08-02 | 2024-05-14 | 中船动力研究院有限公司 | Marine high-speed engine |
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Application publication date: 20171212 |