CN105201626B - A kind of engine-cooling system - Google Patents
A kind of engine-cooling system Download PDFInfo
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- CN105201626B CN105201626B CN201510680711.2A CN201510680711A CN105201626B CN 105201626 B CN105201626 B CN 105201626B CN 201510680711 A CN201510680711 A CN 201510680711A CN 105201626 B CN105201626 B CN 105201626B
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Abstract
The present invention relates to a kind of engine-cooling system, include high temperature circulation cooling system and low-temperature circulating cooling system；The low-temperature circulating cooling system, includes expansion tank, low-temperature radiator, booster, electronic water pump, charge air cooler, BSG and ESC；The cooling water is divided into two streams behind electronic water pump outlet；First flow path passes sequentially through the booster, second flow path and is divided into two streams again, respectively by collaborating after BSG and ESC after collaborating again with first flow path, by being supplied to the electronic water pump entrance after low-temperature radiator.The engine-cooling system of the application, can effectively complete the matching work of engine-cooling system, be that vehicle thermal balance is in a very good state, circuit design is reasonable.
Description
Technical field
The invention belongs to automobile cooling system field, a kind of engine-cooling system is specifically referred to.
Background technology
More and more harsh standard is promulgated in oil consumption of the national governments to engine, such as is provided in the year two thousand twenty requirement vehicle main frame
Factory persistently reduces oil consumption to 5.0L/100km；Fuel-economizing has become the development trend of world car, and most important in fuel-saving measures
A technology be exactly engine supercharging miniaturization+Technology of Hybrid Electric Vehicle.
In response to the regulation of local government, it is necessary to find a kind of Engine Matching system more innovated to complete this
Target.Because on the premise of dynamic property is not lost, wanting that decline 30% substantially one can not on the basis of at present oil consumption
Completing for task.Therefore propose that face, using hybrid power system+electronics supercharging, is increased by weak mixed and engine on the engine
Pressure miniaturization, the requirement of reduction oil consumption is reached with this.Because whole system matches extremely complex, corresponding vehicle cooling system
System design also tends to complexity.
The content of the invention
The purpose of the present invention is by proposing improved technology scheme to existing engine-cooling system, being moved especially for mixing
The cooling system problem of Force system+electronics engine with supercharger, by the technical program, can preferably be adapted between different parts
What cooling was circulated flows to problem.
The present invention is achieved by the following technical solutions：
A kind of engine-cooling system, includes high temperature circulation cooling system and low-temperature circulating cooling system；
The high temperature circulation cooling system include expansion tank, radiator, gray iron, water pump, electronic thermostat,
Oil cooler and warm wind；
The low-temperature circulating cooling system, include the expansion tank, low-temperature radiator, booster, electronic water pump, in
Cooler, BSG and ESC；
Cooling water is divided into first flow path and second flow path behind the outlet by the electronic water pump；
The first flow path is supplied to the electronic water to be pumped into after passing sequentially through the booster, the low-temperature radiator
Mouthful；
The second flow path after the charge air cooler by being divided into the 3rd stream and the 4th stream；
3rd stream is supplied to the electronic water pump entrance to pass sequentially through after the BSG, the low-temperature radiator；
4th stream is supplied to the electronic water pump entrance to pass sequentially through after the ESC, the low-temperature radiator.
The expansion tank is arranged to the low temperature moisturizing loop of the low-temperature circulating cooling system, the electronics pump intake
Between side and the expansion tank.
The low-temperature radiator porch is provided with the first tonifying Qi loop；The first tonifying Qi loop and the swelling water
Kettle is connected.
The high temperature circulation cooling system includes the high temperature circulation cooling system during electronic thermostat closed mode,
And high temperature circulation cooling system during electronic thermostat opening；
High temperature circulation cooling system during the electronic thermostat closed mode includes partial circulating loop and warm wind loop；
The partial circulating loop is that cooling water respectively enters the cylinder body and the oil cooling behind the outlet by the water pump
Device；Cooling water into the cylinder body passes through the electronic thermostat by converging after the cylinder cap with the oil cooler water outlet
It is supplied to the entrance of the water pump；
The warm wind loop is that cooling water is passed sequentially through after the cylinder body, the cylinder cap from the outlet of water pump, by described
The entrance of the water pump is back to after warm wind；
High temperature circulation cooling system during the electronic thermostat opening is, the outlet that cooling water passes through the water pump
After respectively enter the cylinder body and the oil cooler；Into the cylinder body cooling water by after the cylinder cap with the oil cooler
Water outlet converges, by being supplied to the pump entrance by the electronic thermostat after the radiator.
The expansion tank is arranged to the high temperature moisturizing loop of the high temperature circulation cooling system, at the pump entrance
Between the expansion tank.
The entrance side of the radiator is provided with the second tonifying Qi loop；The second tonifying Qi loop and the expansion tank
Connection.
The beneficial effects of the invention are as follows：
The engine-cooling system of the application, can effectively complete the matching work of engine-cooling system, be vehicle
Thermal balance is in a very good state, and circuit design is reasonable；
From the angle of vehicle heat management, the oil consumption of engine is significantly reduced.
Brief description of the drawings
Fig. 1 is inventive engine cooling system frame diagram；
Fig. 2 is high temperature circulation cooling system frame diagram of the present invention；
Fig. 3 is low-temperature circulating cooling system frame diagram of the present invention；
Fig. 4 is partial circulating loop of the present invention frame diagram；
Fig. 5 is warm wind loop of the present invention frame diagram.
Description of reference numerals
1 expansion tank, 2 second tonifying Qi loops, 3 radiators, 4 oil coolers, 5 cylinder caps, 6 high temperature moisturizing loops, 7
Warm wind, 8 cylinder bodies, 9 water pumps, 10 electronic thermostats, 11 charge air coolers, 12 electronic water pumps, 13 low-temperature radiators, 14 low temperature
Moisturizing loop, 15 boosters, 16 first tonifying Qi loops, 17 BSG, 18 ESC.
Embodiment
Describe technical scheme in detail by the following examples, following embodiment be only it is exemplary, only
Explanation and illustration technical scheme can be used for, and be not to be construed as the limitation to technical solution of the present invention.
Critical component is defined
BSG：A kind of (Belt Starter Generator) belt start generator system：Engine can be achieved rise/to stop
Function, realizes energy regenerating, and auxiliary increases the functions such as torsion.
ESC：(Electric Super-Charger) is a kind of can to improve the electricity of car engine ignition and fired state
Sub- matching product, main function is the response of the low side moment of torsion and moment of torsion that improve engine, can incited somebody to action in the range of 0.25S
The rotating speed of motor is dragged to 70000 turns, it is necessary to air is cooled down to motor, is integrated in inside air cleaner.
Electronic water pump：A kind of motor-driven water pump, power set are made using piezoelectric, it is possible to achieve from control to drive
Dynamic electronization, using electronic integration system control liquid transmission, realizes adjustability, the accuracy of liquid transporting.
Radiator：Radiator is a part for automobile cooling system, mainly by intake chamber, water-supplying chamber, main leaf and radiator
The part such as fuse assembly, main function is to cool down the high-temperature water in engine water jacket, belongs to High-temperature cooling circulation.
Low-temperature radiator：Low-temperature radiator is a part for automobile cooling system, mainly by intake chamber, water-supplying chamber, main leaf
And the part assembly such as radiator centre, main function is to cool down engine intercooler, BSG, ESC, the water in turbocharger, category
In sub-cooled circulation.
Expansion tank：A kind of part of automobile cooling system, main function is that, for storing coolant, this patent is using closing
Coolant in formula expansion tank, kettle also assists in vehicle cooling water circulation, in addition, expansion tank also act as it is total to radiator
Into, middle cold heat sink assembly and the scavenging action of engine.
Turbocharger：A kind of air compressor, air inflow is increased by compressed air, utilizes giving up that engine is discharged
Gas inertia impulsive force promotes the turbine in turbine room, and turbine drives coaxial impeller again, impeller force feed is sent by air filter pipeline
Air be allowed to supercharging and enter cylinder, main function is to increase the rotating speed of engine.
Charge air cooler：The auxiliary equipment of engine turbine supercharging, is engine its role is to improve the scavenging efficiency of engine
The important set compound component of pressure charging system.
Electronic thermostat：Coolant temperature regulation, coolant are followed in a kind of new engine temperature control device, the system
The work of ring cooling fan determines by engine load and by control unit of engine control, cold relative to traditional engine
But device, with more preferable fuel economy and lower hydrocarbon emission.
Oil cooler：A kind of thermantidote of engine, main function is for cooling down engine crankcase, clutch, gas
The engine heat generating components such as door component.
As shown in Figures 1 to 5, the present invention provides a kind of engine-cooling system, include high temperature circulation cooling system and
Low-temperature circulating cooling system.
In the accompanying drawing of the present embodiment, what dotted line was represented is the partial circulating loop under electronic thermostat closed mode.
High temperature circulation cooling system, engine work, fuel oil burning produce heat except acting, heat radiation, conduction
Taken away outside through waste gas, remaining is cooled down by cooling system.Whole high temperature circulation cooling system is divided into two states：Electronics
Thermostat closed mode and electronic thermostat opening.
The high temperature circulation cooling system includes expansion tank 1, radiator 3, cylinder body 8, cylinder cap 5, water pump 9, electronics section
Warm device 10, oil cooler 4 and warm wind 7.
The high temperature circulation cooling system includes the high temperature circulation cooling system during electronic thermostat closed mode,
And high temperature circulation cooling system during electronic thermostat opening.
Electronic thermostat closed mode：
Now engine, which is in, just starts working condition, and water temperature, which is not gone up also, to be come, and now, electronic thermostat 10 receives hair
Motivation ECU signals, determine that open and close, engine load are low according to the load condition of engine, electronic thermostat 10 is kept
Close, engine is in partial circulating state, and rapid warming-up advantageously reduces cold start-up oil consumption；Now, cooling circuit is divided into two
Road, is normally open.
High temperature circulation cooling system during the electronic thermostat closed mode includes partial circulating loop and warm wind loop；
The partial circulating loop is that cooling water respectively enters the cylinder body 8 and the oil behind the outlet by the water pump 9
Cooler 4；Cooling water into the cylinder body 8 passes through the electronics by converging after the cylinder cap 5 with the water outlet of oil cooler 4
Thermostat 10 is supplied to the entrance of the water pump 9.
The warm wind loop is that the outlet of cooling water from water pump 9 is passed sequentially through after the cylinder body 8, the cylinder cap 5, is passed through
The entrance of the water pump 9 is back to after the warm wind 7.
Above-mentioned two loop is in-engine normal open loop.
High temperature circulation cooling system during the electronic thermostat opening is that cooling water is gone out by the water pump 9
The cylinder body 8 and the oil cooler 4 are respectively enterd after mouthful；Cooling water into the cylinder body 8 passes through after the cylinder cap 5 with described
The water outlet of oil cooler 4 converges, by being supplied to the entrance of water pump 9 by the electronic thermostat 10 after the radiator 3.
Electronic thermostat opening：
Now, engine water temperature is gradually increasing, and reaches 95 DEG C, electronic thermostat 10 is opened completely suddenly, systemic circulation loop
Open, the water in engine water jacket enters in radiator 3 through engine water inlet pipe and water outlet pipe to be participated in cooling down, as Fig. 2 high temperature circulations institute
Show.In addition, designing the second tonifying Qi loop 2 in the water inlet position of radiator 3, the gas produced in high temperature water route can be effectively discharged
Body, it is to avoid cavitation erosion problem is produced in cooling circulating water road, the second tonifying Qi loop 2 is completed by expansion tank 1, and expansion tank 1 is pressed
Power lid is designed as 1.3Bar；In the water inlet locations of water pump 9 design high temperature moisturizing loop 6, the moisturizing of feed pump 9, it is to avoid water pump 9 is produced
Cavitation erosion, improves pump efficiency.
Cooling water in low-temperature circuit, low-temperature radiator 13, two-way is split into after electronic water pump 12, wherein all the way by increasing
Depressor 15；Another road splits into two-way again after charge air cooler 11, and BSG17 is flowed through all the way, and ESC18 is flowed through all the way, and afterwards two
Bar loop is collaborated, and together with the water route by booster 15 is convergeed to, is cooled down into low-temperature radiator 13.In addition, low
The water inlet position of temperature radiator 13 designs the first tonifying Qi loop 16, can effectively discharge the gas produced in high temperature water route, keep away
Exempt to produce cavitation erosion problem in cooling circulating water road, the first tonifying Qi loop 16 is completed by expansion tank 1, the pressure cover of expansion tank 1
It is designed as 1.3Bar；In the water inlet locations of electronic water pump 12 design low temperature moisturizing loop 14, the moisturizing of electron water pump 12, it is to avoid electricity
Sub- water pump produces cavitation erosion, improves pump efficiency.
The low-temperature circulating cooling system, includes expansion tank 1, low-temperature radiator 13, booster 15, electronic water pump
12nd, charge air cooler 11, BSG17 and ESC18；
The cooling water is divided into first flow path and second flow path behind the electronic water pump 12 outlet；
The first flow path is supplied to the electronic water pump after passing sequentially through the booster 15, the low-temperature radiator 13
12 entrances；
The second flow path after the charge air cooler 11 by being divided into the 3rd stream and the 4th stream；
3rd stream is to be supplied to the electronic water pump after passing sequentially through the BSG17, the low-temperature radiator 13
12 entrances；
4th stream is supplied to the electronic water pump 12 to pass sequentially through after the ESC18, the low-temperature radiator 13
Entrance.
The invention reside in the cooling circuit that BSG, ESC are added in low-temperature circuit, at present for, and this is to start at present
Machine design of Cooling System is unexistent, and after adding BSG and ESC, connection in series-parallel, trend, tandem, the cooling of pipeline
The design of logic just becomes extremely important, and complicated.Current cooling logical design can effectively complete BSG's and ESC
Cooling requirement, in addition, after in parallel with booster (turbine), interference of the booster (turbine) between ESC can be effectively avoided,
Because both are required for cooling, and still, optimal chilling temperature each other is different, it is therefore desirable to carry out rational
Arrangement, this is also the core place of the present invention.
The high temperature circulation cooling system of the present invention is run alone with low-temperature circulating cooling system, and both do not intervene mutually.
Described above is only the description of the preferred embodiment of the present invention, it is noted that due to the finiteness of literal expression,
And objectively there is unlimited concrete structure, for those skilled in the art, do not departing from the present invention
On the premise of principle, some improvements and modifications can also be made, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (6)
1. a kind of engine-cooling system, it is characterised in that：Include high temperature circulation cooling system and low-temperature circulating cooling system；
The high temperature circulation cooling system includes expansion tank, radiator, gray iron, water pump, electronic thermostat, oil cooling
Device and warm wind；
The low-temperature circulating cooling system, include the expansion tank, low-temperature radiator, booster, electronic water pump, in it is cold
Device, BSG and ESC；
Cooling water is divided into first flow path and second flow path behind the outlet by the electronic water pump；
The first flow path, which is passed sequentially through, is supplied to the electronic water pump entrance after the booster, the low-temperature radiator；
The second flow path after the charge air cooler by being divided into the 3rd stream and the 4th stream；
3rd stream is supplied to the electronic water pump entrance to pass sequentially through after the BSG, the low-temperature radiator；
4th stream is supplied to the electronic water pump entrance to pass sequentially through after the ESC, the low-temperature radiator.
2. engine-cooling system according to claim 1, it is characterised in that：The expansion tank is to the low-temperature circulating
The low temperature moisturizing loop of cooling system is arranged at, between the electronic water pump entrance side and the expansion tank.
3. engine-cooling system according to claim 1, it is characterised in that：Set in the low-temperature radiator porch
There is the first tonifying Qi loop；The first tonifying Qi loop is connected with the expansion tank.
4. engine-cooling system according to claim 1, it is characterised in that：The high temperature circulation cooling system includes
High temperature circulation cooling system during the electronic thermostat closed mode, and high temperature circulation during electronic thermostat opening
Cooling system；
High temperature circulation cooling system during the electronic thermostat closed mode includes partial circulating loop and warm wind loop；
The partial circulating loop is that cooling water respectively enters the cylinder body and the oil cooler behind the outlet by the water pump；
Cooling water into the cylinder body is provided by converging after the cylinder cap with the oil cooler water outlet by the electronic thermostat
Entrance to the water pump；
The warm wind loop is that cooling water is passed sequentially through after the cylinder body, the cylinder cap from the outlet of water pump, passes through the warm wind
The entrance of the water pump is back to afterwards；
High temperature circulation cooling system during the electronic thermostat opening is to divide behind the outlet that cooling water passes through the water pump
Jin Ru not the cylinder body and the oil cooler；Into the cylinder body cooling water by after the cylinder cap with the oil cooler water outlet
Converge, by being supplied to the pump entrance by the electronic thermostat after the radiator.
5. the engine-cooling system according to claim 1 or 4, it is characterised in that：The expansion tank is to the high temperature
The high temperature moisturizing loop of circulating cooling system is arranged at, at the pump entrance between the expansion tank.
6. the engine-cooling system according to claim 1 or 4, it is characterised in that：Set in the entrance side of the radiator
It is equipped with the second tonifying Qi loop；The second tonifying Qi loop is connected with the expansion tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680711.2A CN105201626B (en) | 2015-10-16 | 2015-10-16 | A kind of engine-cooling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510680711.2A CN105201626B (en) | 2015-10-16 | 2015-10-16 | A kind of engine-cooling system |
Publications (2)
| Publication Number | Publication Date |
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| CN105201626A CN105201626A (en) | 2015-12-30 |
| CN105201626B true CN105201626B (en) | 2017-08-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510680711.2A Expired - Fee Related CN105201626B (en) | 2015-10-16 | 2015-10-16 | A kind of engine-cooling system |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107401445A (en) * | 2016-05-20 | 2017-11-28 | 宝沃汽车（中国）有限公司 | Engine-cooling system and the vehicle with the engine-cooling system |
| CN106894880A (en) * | 2017-03-13 | 2017-06-27 | 安徽江淮汽车集团股份有限公司 | A kind of petrol engine cooling system |
| CN108001335A (en) * | 2017-12-28 | 2018-05-08 | 恩吉（福建）工业装备有限公司 | Vehicle moving charging equipment and power generation movable charging vehicle |
| CN107985168A (en) * | 2017-12-28 | 2018-05-04 | 恩吉（福建）工业装备有限公司 | Vehicle moving charging equipment and power generation movable charging vehicle |
| CN109139224A (en) * | 2018-08-23 | 2019-01-04 | 重庆长安汽车股份有限公司 | A kind of engine dual cycle cooling system |
| CN109139221B (en) * | 2018-09-29 | 2023-08-29 | 徐州徐工汽车制造有限公司 | Cooling device for national six-horsepower heavy truck |
| CN110566332A (en) * | 2019-09-12 | 2019-12-13 | 一汽轿车股份有限公司 | whole vehicle thermal management system suitable for supercharged direct injection engine |
| CN110608084A (en) * | 2019-09-12 | 2019-12-24 | 一汽轿车股份有限公司 | Vehicle Thermal Management System for Supercharged Direct Injection Engines |
| CN116394719A (en) * | 2023-04-11 | 2023-07-07 | 浙江吉利控股集团有限公司 | Thermal management system for vehicle and vehicle |
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| CN201626293U (en) * | 2009-12-23 | 2010-11-10 | 中国第一汽车集团公司 | Motor Cooling System of Parallel Hybrid Car |
| CN202628254U (en) * | 2012-04-28 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Cooling device for engine turbocharger and intercooler |
| CN103615302A (en) * | 2013-12-05 | 2014-03-05 | 安徽江淮汽车股份有限公司 | Cooling system of engine |
| CN204299667U (en) * | 2014-11-11 | 2015-04-29 | 上海汽车集团股份有限公司 | A kind of hybrid power cooling system |
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2015
- 2015-10-16 CN CN201510680711.2A patent/CN105201626B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201626293U (en) * | 2009-12-23 | 2010-11-10 | 中国第一汽车集团公司 | Motor Cooling System of Parallel Hybrid Car |
| CN202628254U (en) * | 2012-04-28 | 2012-12-26 | 浙江吉利汽车研究院有限公司杭州分公司 | Cooling device for engine turbocharger and intercooler |
| CN103615302A (en) * | 2013-12-05 | 2014-03-05 | 安徽江淮汽车股份有限公司 | Cooling system of engine |
| CN204299667U (en) * | 2014-11-11 | 2015-04-29 | 上海汽车集团股份有限公司 | A kind of hybrid power cooling system |
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