CN105201626A - Cooling system for engine - Google Patents
Cooling system for engine Download PDFInfo
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- CN105201626A CN105201626A CN201510680711.2A CN201510680711A CN105201626A CN 105201626 A CN105201626 A CN 105201626A CN 201510680711 A CN201510680711 A CN 201510680711A CN 105201626 A CN105201626 A CN 105201626A
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- 238000001816 cooling Methods 0.000 title claims abstract description 77
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000000498 cooling water Substances 0.000 claims abstract description 21
- 230000003020 moisturizing effect Effects 0.000 claims description 10
- 229910001060 Gray iron Inorganic materials 0.000 claims description 2
- 239000007858 starting material Substances 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 5
- 230000003628 erosive effect Effects 0.000 description 4
- 239000000110 cooling liquid Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002000 scavenging effect Effects 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000004215 Carbon black (E152) Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000004043 responsiveness Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Landscapes
- Lubrication Of Internal Combustion Engines (AREA)
Abstract
The invention relates to a cooling system for an engine. The cooling system comprises a high-temperature circulating cooling system and a low-temperature circulating cooling system, wherein the low-temperature circulating cooling system comprises an expansion kettle, a low-temperature radiator, a supercharger, an electronic water pump, an intercooler, a belt starter generator (BSG) and an electric super-charger (ESC); the cooling water from the outlet of the electronic water pump is divided into two flow paths; the first flow path sequentially passes through the supercharger and the low-temperature radiator; the second flow path is further divided into two flow paths, and the two flow paths pass through the BSG and the ESC respectively and then converge; the converged flow path further combines with the first flow path, passes through the low-temperature radiator and is supplied to the inlet of the electronic water pump. According to the cooling system for the engine provided by the invention, the matching work of the cooling system for the engine can be effectively achieved, heat balance of a whole vehicle is in a quite good state, and design of a pipeline is reasonable.
Description
Technical field
The invention belongs to automobile cooling system field, specifically refer to a kind of engine-cooling system.
Background technique
National governments promulgate more and more harsh standard to the oil consumption of motor, are such as defined in the year two thousand twenty requirement automobile main frame maker and continue to reduce oil consumption to 5.0L/100km; Fuel-economizing has become the development trend of world car, and in fuel-saving measures, a most important technology is exactly the supercharging miniaturization+Technology of Hybrid Electric Vehicle of motor.
In order to respond the regulation of local government, a kind of Engine Matching system more innovated must be found to complete this target.Because under the prerequisite of not losing power character, want that it 30% is an impossible mission substantially that oil consumption is declined on current basis.Therefore the face on the engine that proposes adopts mixed power system+electronics supercharging, by weak mixed and engine booster miniaturization, reaches with this requirement reducing oil consumption.Because whole system coupling is extremely complicated, corresponding car load design of Cooling System is also tending towards complicated.
Summary of the invention
The object of the invention is by proposing improvement opportunity scheme to existing engine-cooling system, particularly for the cooling system problem of mixed power system+electronics supercharged engine, by the technical program, what better can adapt to cool cycles between different parts 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;
Described high temperature circulation cooling system includes expansion tank, radiator, gray iron, water pump, electronic thermostat, oil cooler and warm braw;
Described low-temperature circulating cooling system, includes described expansion tank, low-temperature radiator, pressurized machine, electronic water pump, intercooler, BSG and ESC;
Cooling water is by being divided into first flow path and the second stream after described electronic water delivery side of pump;
Described first flow path is successively by being supplied to described electronic water pump entrance after described pressurized machine, described low-temperature radiator;
Described second stream is by being divided into the 3rd stream and the 4th stream after described intercooler;
Described 3rd stream is successively by being supplied to described electronic water pump entrance after described BSG, described low-temperature radiator;
Described 4th stream is successively by being supplied to described electronic water pump entrance after described ESC, described low-temperature radiator.
The low temperature moisturizing loop of described expansion tank to described low-temperature circulating cooling system is arranged at, between described electronic pump inlet side and described expansion tank.
Described low-temperature radiator ingress is provided with the first tonifying Qi loop; Described first tonifying Qi loop is connected with described expansion tank.
Described high temperature circulation cooling system includes high temperature circulation cooling system during described electronic thermostat closed condition, and high temperature circulation cooling system during electronic thermostat opening state;
High temperature circulation cooling system during described electronic thermostat closed condition includes short circle loop and warm braw loop;
Described short circle loop is, cooling water is by entering described cylinder body and described oil cooler respectively after described water delivery side of pump; The cooling water entering described cylinder body, by converging with described oil cooler water outlet after described cylinder cap, is supplied to the entrance of described water pump by described electronic thermostat;
Described warm braw loop is, after cooling water passes through described cylinder body, described cylinder cap successively from water delivery side of pump, by being back to the entrance of described water pump after described warm braw;
High temperature circulation cooling system during described electronic thermostat opening state is, cooling water is by entering described cylinder body and described oil cooler respectively after described water delivery side of pump; The cooling water entering described cylinder body by converging with described oil cooler water outlet after described cylinder cap, by being supplied to described pump entrance through described electronic thermostat after described radiator.
The high temperature moisturizing loop of described expansion tank to described high temperature circulation cooling system is arranged at, between described pump entrance place and described expansion tank.
The inlet side of described radiator is provided with the second tonifying Qi loop; Described second tonifying Qi loop is connected with described expansion tank.
The invention has the beneficial effects as follows:
The engine-cooling system of the application, effectively can complete the coupling work of engine-cooling system, and be that car load thermal equilibrium is in a very good state, circuit design is reasonable;
From the angle of car load heat management, significantly reduce the oil consumption of motor.
Accompanying drawing explanation
Fig. 1 is engine-cooling system frame diagram of the present invention;
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 short circle loop of the present invention frame diagram;
Fig. 5 is warm braw 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 braws, 8 cylinder bodies, 9 water pumps, 10 electronic thermostats, 11 intercoolers, 12 electronic water pumps, 13 low-temperature radiators, 14 low temperature moisturizing loops, 15 pressurized machines, 16 first tonifying Qi loops, 17BSG, 18ESC.
Embodiment
Describe technological scheme of the present invention in detail by the following examples, following embodiment is only exemplary, only can be used for explaining and technological scheme of the present invention being described, and can not be interpreted as being the restriction to technical solution of the present invention.
Critical component defines
BSG:(BeltStarterGenerator) belt start generator system: can realize motor and play/stop a function, realize energy regenerating, auxiliary increasing such as to turn round at the function.
ESC:(ElectricSuper-Charger) a kind of electronic match product that can improve car engine ignition and combustion regime, Main Function improves the low side moment of torsion of motor and the responsiveness of moment of torsion, within the scope of 0.25S, the rotating speed of motor can be dragged to 70000 turns, need air to cool motor, be integrated in air-strainer inside.
Electronic water pump: a kind of motor-driven water pump, adopts piezoelectric material to be used as power device, can realize driving electronization from controlling to, and adopts electronic integration system to control fluid transport, realizes the adjustability of liquid transporting, accuracy.
Radiator: radiator is a part for automobile cooling system, and primarily of part assemblies such as intake chamber, water-supplying chamber, main leaf and radiator centres, Main Function is the high-temperature water in cooled engine water jacket, belongs to High-temperature cooling circulation.
Low-temperature radiator: low-temperature radiator is a part for automobile cooling system, primarily of part assemblies such as intake chamber, water-supplying chamber, main leaf and radiator centres, Main Function is the water in cooled engine intercooler, BSG, ESC, turbosupercharger, belongs to low temperature refrigeration circulation.
Expansion tank: a kind of parts of automobile cooling system, Main Function is used to store cooling liquid, this patent uses enclosed expansion tank, cooling liquid in kettle also participates in car load cooling water circulation, in addition, expansion tank also plays to the scavenging action of heat radiator assembly, middle cold heat sink assembly and motor.
Turbosupercharger: a kind of air compressor, air inflow is increased by pressurized air, the waste gas inertia impulsive force utilizing motor to discharge is to promote the turbine in turbine chamber, turbine drives again coaxial impeller, the air that impeller force feed is sent here by air filter pipeline makes it supercharging and enters cylinder, and Main Function is the rotating speed increasing motor.
Intercooler: the auxiliary equipment of engine turbine supercharging, its role is to the scavenging efficiency improving motor, is the important set compound component of engine supercharging system.
Electronic thermostat: a kind of novel motor temperature controlling device, in this system, the work of the circulating cooling fan of coolant temperature adjustment, cooling liquid determines by engine load and is controlled by control unit of engine, relative to traditional engine cooling apparatus, there is better fuel economy and lower hydrocarbon emission.
Oil cooler: a kind of thermantidote of motor, Main Function is used to the motor heating component such as cooled engine crankcase, clutch, valve assembly.
As shown in Figures 1 to 5, the 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, the short circle loop that what dotted line represented is under electronic thermostat closed condition.
High temperature circulation cooling system, engine operation, the heat that oil inflame produces except acting, thermal radiation, conduct except waste gas has been taken away, all the other cool by cooling system.Whole high temperature circulation cooling system is divided into two states: electronic thermostat closed condition and electronic thermostat opening state.
Described high temperature circulation cooling system includes expansion tank 1, radiator 3, cylinder body 8, cylinder cap 5, water pump 9, electronic thermostat 10, oil cooler 4 and warm braw 7.
Described high temperature circulation cooling system includes high temperature circulation cooling system during described electronic thermostat closed condition, and high temperature circulation cooling system during electronic thermostat opening state.
Electronic thermostat closed condition:
Now motor is in and just starts working state, water temperature is not also gone up, now, electronic thermostat 10 receives Engine ECU signal, decide open and close according to the load condition of motor, engine load is low, electronic thermostat 10 keeps closing, and motor is in short circle state, rapid warming-up, is conducive to reducing cold start-up oil consumption; Now, cooling circuit is divided into two-way, is normally open.
High temperature circulation cooling system during described electronic thermostat closed condition includes short circle loop and warm braw loop;
Described short circle loop is, enters described cylinder body 8 and described oil cooler 4 respectively after the outlet of cooling water by described water pump 9; The cooling water entering described cylinder body 8, by converging with the water outlet of described oil cooler 4 after described cylinder cap 5, is supplied to the entrance of described water pump 9 by described electronic thermostat 10.
Described warm braw loop is, after cooling water passes through described cylinder body 8, described cylinder cap 5 successively from the outlet of water pump 9, by being back to the entrance of described water pump 9 after described warm braw 7.
Above-mentioned two loops are in-engine normal open loop.
High temperature circulation cooling system during described electronic thermostat opening state is, enters described cylinder body 8 and described oil cooler 4 respectively after the outlet of cooling water by described water pump 9; The cooling water entering described cylinder body 8 by converging with the water outlet of described oil cooler 4 after described cylinder cap 5, by being supplied to described water pump 9 entrance through described electronic thermostat 10 after described radiator 3.
Electronic thermostat opening state:
Now, engine water temperature rises gradually, reaches 95 DEG C, and electronic thermostat 10 is opened suddenly completely, and major cycle loop is opened, and the water in engine water jacket enters in radiator 3 through motor turnover water pipe and participates in cooling, is shown in Fig. 2 high temperature circulation.In addition, design the second tonifying Qi loop 2 in radiator 3 water inlet position, can effectively discharge the gas produced in high temperature water route, avoid producing cavitation erosion problem in cool cycles water route, second tonifying Qi loop 2 completes through expansion tank 1, and expansion tank 1 pressure cover is designed to 1.3Bar; In water pump 9 water inlet locations design high temperature moisturizing loop 6, feed water pump 9 moisturizing, avoids water pump 9 to produce cavitation erosion, improves pump efficiency.
Low-temperature circuit, low-temperature radiator 13 inner cooling water, splits into two-way after electronic water pump 12, and wherein a road is through pressurized machine 15; Another road again splits into two-way after intercooler 11, and a road flows through BSG17, and a road flows through ESC18, and interflow, two loops, together with convergeing to, enters low-temperature radiator 13 and cool with the water route through pressurized machine 15 afterwards.In addition, design the first tonifying Qi loop 16 in low-temperature radiator 13 water inlet position, can effectively discharge the gas produced in high temperature water route, avoid producing cavitation erosion problem in cool cycles water route, first tonifying Qi loop 16 completes through expansion tank 1, and expansion tank 1 pressure cover is designed to 1.3Bar; In electronic water pump 12 water inlet locations design low temperature moisturizing loop 14, to electronic water pump 12 moisturizing, avoid electronic water pump to produce cavitation erosion, improve pump efficiency.
Described low-temperature circulating cooling system, includes expansion tank 1, low-temperature radiator 13, pressurized machine 15, electronic water pump 12, intercooler 11, BSG17 and ESC18;
Described cooling water is divided into first flow path and the second stream after described electronic water pump 12 exports;
Described first flow path is successively by being supplied to described electronic water pump 12 entrance after described pressurized machine 15, described low-temperature radiator 13;
Described second stream is by being divided into the 3rd stream and the 4th stream after described intercooler 11;
Described 3rd stream is successively by being supplied to described electronic water pump 12 entrance after described BSG17, described low-temperature radiator 13;
Described 4th stream is successively by being supplied to described electronic water pump 12 entrance after described ESC18, described low-temperature radiator 13.
The invention reside in the cooling circuit adding BSG, ESC in low-temperature circuit, at present, and this is that the design of current engine-cooling system is unexistent, and after adding BSG and ESC, the design of the series parallel connection of pipeline, trend, tandem, cooling logic just becomes extremely important, and complicated.Current cooling logic design can complete the cooling requirement of BSG and ESC effectively, in addition, after in parallel with pressurized machine (turbine), effectively can avoid the interference between pressurized machine (turbine) and ESC, because both need cooling, but, best chilling temperature is each other different, therefore needs reasonably to arrange, this is also core place of the present invention.
High temperature circulation cooling system of the present invention and low-temperature circulating cooling system run alone, both mutual nonintervention.
The above is only the description of the preferred embodiment of the present invention; should be understood that; due to the finiteness of literal expression; and objectively there is unlimited concrete structure; for those skilled in the art; under the premise without departing from the principles of the invention, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (6)
1. an engine-cooling system, is characterized in that: include high temperature circulation cooling system and low-temperature circulating cooling system;
Described high temperature circulation cooling system includes expansion tank, radiator, gray iron, water pump, electronic thermostat, oil cooler and warm braw;
Described low-temperature circulating cooling system, includes described expansion tank, low-temperature radiator, pressurized machine, electronic water pump, intercooler, BSG and ESC;
Cooling water is by being divided into first flow path and the second stream after described electronic water delivery side of pump;
Described first flow path is successively by being supplied to described electronic water pump entrance after described pressurized machine, described low-temperature radiator;
Described second stream is by being divided into the 3rd stream and the 4th stream after described intercooler;
Described 3rd stream is successively by being supplied to described electronic water pump entrance after described BSG, described low-temperature radiator;
Described 4th stream is successively by being supplied to described electronic water pump entrance after described ESC, described low-temperature radiator.
2. engine-cooling system according to claim 1, is characterized in that: the low temperature moisturizing loop of described expansion tank to described low-temperature circulating cooling system is arranged at, between described electronic water pump inlet side and described expansion tank.
3. engine-cooling system according to claim 1, is characterized in that: described low-temperature radiator ingress is provided with the first tonifying Qi loop; Described first tonifying Qi loop is connected with described expansion tank.
4. engine-cooling system according to claim 1, it is characterized in that: described high temperature circulation cooling system includes high temperature circulation cooling system during described electronic thermostat closed condition, and high temperature circulation cooling system during electronic thermostat opening state;
High temperature circulation cooling system during described electronic thermostat closed condition includes short circle loop and warm braw loop;
Described short circle loop is, cooling water is by entering described cylinder body and described oil cooler respectively after described water delivery side of pump; The cooling water entering described cylinder body, by converging with described oil cooler water outlet after described cylinder cap, is supplied to the entrance of described water pump by described electronic thermostat;
Described warm braw loop is, after cooling water passes through described cylinder body, described cylinder cap successively from water delivery side of pump, by being back to the entrance of described water pump after described warm braw;
High temperature circulation cooling system during described electronic thermostat opening state is, cooling water is by entering described cylinder body and described oil cooler respectively after described water delivery side of pump; The cooling water entering described cylinder body by converging with described oil cooler water outlet after described cylinder cap, by being supplied to described pump entrance through described electronic thermostat after described radiator.
5. the engine-cooling system according to claim 1 or 4, is characterized in that: the high temperature moisturizing loop of described expansion tank to described high temperature circulation cooling system is arranged at, between described pump entrance place and described expansion tank.
6. the engine-cooling system according to claim 1 or 4, is characterized in that: the inlet side of described radiator is provided with the second tonifying Qi loop; Described second tonifying Qi loop is connected with described 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 |
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| Publication Number | Publication Date |
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| CN105201626A true CN105201626A (en) | 2015-12-30 |
| CN105201626B CN105201626B (en) | 2017-08-25 |
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| CN201510680711.2A Expired - Fee Related CN105201626B (en) | 2015-10-16 | 2015-10-16 | A kind of engine-cooling system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| CN109139221A (en) * | 2018-09-29 | 2019-01-04 | 徐州徐工汽车制造有限公司 | A kind of six high-power heavy truck cooling device of state |
| 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 | Whole vehicle thermal management system suitable for supercharged direct injection engine |
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| 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 |
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2015
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Patent Citations (4)
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| CN201626293U (en) * | 2009-12-23 | 2010-11-10 | 中国第一汽车集团公司 | Cooling system of series-parallel combined hybrid car |
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Cited By (10)
| 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 |
| 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 |
| 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 |
| WO2019128710A1 (en) * | 2017-12-28 | 2019-07-04 | 恩吉（福建）工业装备有限公司 | Vehicle on-board mobile charging device and mobile charging vehicle capable of generating power |
| 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 |
| CN109139221A (en) * | 2018-09-29 | 2019-01-04 | 徐州徐工汽车制造有限公司 | A kind of six high-power heavy truck cooling device of state |
| 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 | Whole vehicle thermal management system suitable for supercharged direct injection engine |
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| CN105201626B (en) | 2017-08-25 |
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