CN108506076A - Turbine cooling system, control method and the vehicle of engine - Google Patents
Turbine cooling system, control method and the vehicle of engine Download PDFInfo
- Publication number
- CN108506076A CN108506076A CN201710114033.2A CN201710114033A CN108506076A CN 108506076 A CN108506076 A CN 108506076A CN 201710114033 A CN201710114033 A CN 201710114033A CN 108506076 A CN108506076 A CN 108506076A
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- turbine
- water pump
- engine
- temperature
- cooling
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Classifications
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- 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
- F01P3/12—Arrangements for cooling other engine or machine parts
-
- 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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
-
- 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
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/005—Cooling of pump drives
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B39/00—Component parts, details, or accessories relating to, driven charging or scavenging pumps, not provided for in groups F02B33/00 - F02B37/00
- F02B39/16—Other safety measures for, or other control of, pumps
-
- 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
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P2005/105—Using two or more pumps
-
- 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
- F01P5/00—Pumping cooling-air or liquid coolants
- F01P5/10—Pumping liquid coolant; Arrangements of coolant pumps
- F01P5/12—Pump-driving arrangements
- F01P2005/125—Driving auxiliary pumps electrically
-
- 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
- F01P2025/00—Measuring
- F01P2025/08—Temperature
-
- 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
- F01P2031/00—Fail safe
- F01P2031/30—Cooling after the engine is stopped
-
- 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
-
- 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
- F01P2060/00—Cooling circuits using auxiliaries
- F01P2060/12—Turbo charger
Abstract
The present invention provides turbine cooling system, control method and the vehicles of a kind of engine.The turbine cooling system includes：First cooling circuit, the first cooling circuit include radiating module, thermostat, the first water pump and the engine being sequentially connected by cooling line, and radiating module is for cooling down turbine；Second cooling circuit, the second cooling circuit include the radiating module, thermostat and the second water pump being sequentially connected by cooling line；First water inlet of switching valve, switching valve is connected with engine, and the second water inlet is connected with the second water pump, and water outlet is connected with radiating module；Controller, controller be used for when engine run by the first cooling circuit cool down turbine, and after engine stop and turbine temperature be higher than predetermined temperature when, control switching valve switch to the second cooling circuit with by the second water pump and radiating module cooling turbine.The system of the present invention can promote the cooling efficiency of turbine, and then promote the service life of turbine.
Description
Technical field
The present invention relates to automobile technical field, more particularly to turbine cooling system, control method and the vehicle of a kind of engine
.
Background technology
After automobile high-speed travels over long distances, heat is passed with high-temperature tail gas contact, metal for a long time due to turbo charge system
It leads efficient, turbine temperature can be caused very high, if not making turbine temperature drop in zone of reasonableness by rational approach,
Turbine damage or many uncertain security risks can be caused by directly stopping engine operating.
Currently, vehicle heat management system has been contemplated that turbine superheat factor, turbine is dropped by turbine cooling system
Temperature, a kind of turbine cooling system be on conventional engines, directly on turbine plus cooling passage or heat exchanger, and with hair
Motivation cooling system is in parallel, and power source is provided by the mechanical water pump that engine directly drives；Another kind is also directly on turbine
Add cooling passage or heat exchanger, and in parallel with engine-cooling system, is driven by electronic water pump.
However, after engine stop, turbine cooling system in the related technology is also stopped, thus it is electric under vehicle
Or after engine is shut down, even if turbine temperature is also relatively very high, but since after engine stop, turbine cooling system is also stopped
Stop work, it is thus impossible to effectively be cooled down to turbine, easily causes turbine damage or many uncertain security risks.
Especially after being travelled over long distances by high speed, turbine temperature is very high, needs that driver runs at a low speed or idling makes a little while
Turbine temperature, which lowers, is closing engine.But many drivers damage turbine life without the directly parking of this experience, even if
Driver runs at a low speed or idling makes turbine temperature lower a little while, can also waste time and the energy.
Invention content
In view of this, the present invention is directed to propose a kind of turbine cooling system of engine, the system can promote turbine
Cooling efficiency, and then promote the service life of turbine.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of turbine cooling system of engine, including：First cooling circuit, first cooling circuit include by cold
But radiating module, thermostat, the first water pump and the engine that pipeline is sequentially connected, the radiating module is for cooling down turbine；The
Two cooling circuits, second cooling circuit include the radiating module, the thermostat being sequentially connected by cooling line
With the second water pump, wherein second water pump is powered by power battery；Switching valve, the switching valve include the first water inlet, the
Two water inlets and water outlet, first water inlet are connected with the engine, second water inlet and second water pump
It is connected, the water outlet is connected with the radiating module；Controller, the controller are used for when engine is run by described
First cooling circuit cools down turbine, and after engine shutdown and when turbine temperature is higher than predetermined temperature, is cut described in control
Vavle switching is changed to second cooling circuit to cool down turbine by second water pump and the radiating module, until the whirlpool
It takes turns temperature and is less than the predetermined temperature.
Further, further include：Temperature sensor, the temperature sensor is for detecting the turbine temperature, the temperature
Degree sensor is connected with the controller.
Further, the radiating module includes radiator and fan, radiator setting described in the fan face, to add
The radiating efficiency of the speed radiator, the fan are controlled by the controller.
Further, the switching valve is two-position three-way valve, and the two-position three-way valve is controlled by the controller.
Further, first water pump is mechanical water pump driven by the engine, second water pump is by described dynamic
The battery-driven electronic water pump of power.
Further, the predetermined temperature is by empirically determined.
The turbine cooling system of the engine of the present invention, engine shut down or vehicle under after electricity can intelligently, it is automatic and close
Reason ground cools down to turbine, so as to promote the cooling efficiency of turbine, and then promotes the service life of turbine.
It is another object of the present invention to propose a kind of control method of the turbine cooling system of engine, this method can
To promote the cooling efficiency of turbine, and then promote the service life of turbine.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of control method of the turbine cooling system of engine, includes the following steps：Judge whether engine runs；Such as
Fruit is then to control the first cooling circuit cooling turbine；If it is not, then further judging whether turbine temperature is higher than predetermined temperature；
If the turbine temperature is higher than the predetermined temperature, the second cooling circuit is switched to by the second water pump and radiating module
Cooling turbine, until the turbine temperature is less than the predetermined temperature, wherein the radiating module includes radiator and fan.
Further, the predetermined temperature is detected to obtain by temperature sensor.
Further, if the turbine temperature is higher than the predetermined temperature, the second cooling circuit is switched to pass through
Second water pump and radiating module cool down turbine, until the turbine temperature includes the step of being less than the predetermined temperature：Control is cut
Vavle switching is changed to second cooling circuit, and starts the fan and the second water pump with by second water pump and radiating mould
Block cools down turbine；When the turbine temperature drops to the predetermined temperature, first cooling circuit is switched to, and close institute
State fan and the second water pump.
The control method of the turbine cooling system of the engine is opposite with the turbine cooling system of above-mentioned engine
The advantage possessed by the prior art is identical, and details are not described herein.
Another object of the present invention is to propose a kind of vehicle, the vehicle engine shut down or vehicle under can intelligence after electricity
Can, it is automatic and reasonably cool down to turbine, so as to promote the cooling efficiency of turbine, and then promote turbine uses the longevity
Life.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of vehicle is provided with the turbine cooling system of the engine as described in any one above-mentioned embodiment.
Possessed advantage is identical compared with the existing technology with the turbine cooling system of above-mentioned engine for the vehicle,
Details are not described herein.
Description of the drawings
The attached drawing for constituting the part of the present invention is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the schematic diagram of the turbine cooling system of the engine described in the embodiment of the present invention；
Fig. 2 is the flow chart of the control method of the turbine cooling system of the engine described in the embodiment of the present invention；
The flow chart of the control method of the turbine cooling system of engine described in the another embodiment of the present invention of the positions Fig. 3.
Reference sign：
First water pump I, the second water pump II, switching valve III, radiating module IV, thermostat V, the first water inlet 1, second enter
The mouth of a river 2, water outlet 3.
Specific implementation mode
It should be noted that in the absence of conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
The turbine cooling system of the engine of the embodiment of the present invention is usually applied in hybrid vehicle, i.e.,：Including hair
The hybrid vehicle of motivation, driving motor and power battery.
Fig. 1 is the schematic diagram of the turbine cooling system of engine according to an embodiment of the invention.
As shown in Figure 1, the turbine cooling system of engine according to an embodiment of the invention, including：First cools back
Road, the second cooling circuit, switching valve III and controller (being not shown in Fig. 1).
Wherein, the first cooling circuit includes radiating module IV, thermostat V, the first water being sequentially connected by cooling line
Pump I and engine, radiating module IV is for cooling down turbine；Second cooling circuit includes the heat dissipation being sequentially connected by cooling line
Module IV, thermostat V and the second water pump II, wherein the second water pump II is powered by power battery.Switching valve III enters including first
The mouth of a river 1, the second water inlet 2 and water outlet 3, the first water inlet 1 are connected with engine, the second water inlet 2 and the second water pump II phase
Even, water outlet 3 is connected with radiating module IV.Controller is used to cool down turbine by the first cooling circuit when engine is run,
And after engine stop and turbine temperature be higher than predetermined temperature when, control switching valve III switch to the second cooling circuit to pass through
Second water pump II and radiating module IV cool down turbine, until turbine temperature is less than predetermined temperature.
Specifically, the turbine cooling system of engine further includes having temperature sensor (being not shown in Fig. 1), and temperature passes
For examining turbine temperature, temperature sensor is connected sensor with controller, so as to controller simply, facilitate and can learn in real time
Turbine temperature.
As shown in Figure 1, radiating module IV includes radiator (high temperature heat sink) and fan (electric fan), fan face dissipates
Hot device setting, to accelerate the radiating efficiency of radiator, fan to be controlled by controller, i.e.,：Controller controls startup and the pass of fan
It closes.
For the ease of the control to switching valve III, III generally use two-position three-way valve of switching valve, two-position three-way valve is by controlling
Device controls, in this way, controller can easily control the break-make between the first water inlet 1 of two-position three-way valve and water outlet 3, and
Break-make between second water inlet 2 and water outlet 3.
Further, the first water pump I, which can be used, can be used and serve as reasons for mechanical water pump driven by the engine, the second water pump II
The electronic water pump of power battery driving.
By taking hybrid vehicle as an example, the operation principle of the turbine cooling system of engine is as follows：
When the engine is running, turbine system is cooled down using similar to turbine cooling system in the related technology,
That is control switching valve III switches to the first water inlet 1 and water outlet 3, to cool down whirlpool by the first cooling circuit according to turbine temperature
Wheel.After electricity under vehicle or engine are shut down, it will continue to be judged whether to need cooling turbine according to turbine temperature, if it is desired,
It then controls switching valve III and switches to the second water inlet 2 and water outlet 3, utilize the second cooling circuit to cool down into behavior turbine in this way,
That is, delay a period of time makes turbine temperature decline, i.e.,：Control switching valve III switches to the second water inlet 2 and water outlet
3, start the second water pump II and fan, after electricity or engine are shut down under vehicle in time, can also be intelligently and automatically
Turbine cools down, until turbine temperature drops to the temperature of a safety, such as 200 DEG C, that is to say, that work as turbine temperature<200 DEG C,
If having lower electricity demanding before vehicle, lower electricity can be completed.In the examples described above, predetermined temperature is by empirically determined, usually
200 DEG C or so.
The turbine cooling system of the engine of the embodiment of the present invention can judge whether work by temperature sensor, work as hair
Motivation is similar with conventional turbine cooling system when running, if engine is shut down, can start electric water pump and be provided for turbine cooling
Even if power has delaying policy, until turbine temperature is cooled to OK range if electric under vehicle.In this way, can voluntarily ensure whirlpool
Wheel cooling, saves the energy and driver time.
The turbine cooling system of engine according to the ... of the embodiment of the present invention, can intelligence after electricity under engine shutdown or vehicle
Can, it is automatic and reasonably cool down to turbine, so as to promote the cooling efficiency of turbine, and then promote turbine uses the longevity
Life.
Fig. 2 is the flow chart of the control method of the turbine cooling system of engine according to an embodiment of the invention.Such as
Shown in Fig. 2, and Fig. 3 is combined, the control method of the turbine cooling system of engine according to an embodiment of the invention, including such as
Lower step：
S201：Judge whether engine runs.
S202：If it is, the first cooling circuit of control cools down turbine.
S203：If it is not, then further judging whether turbine temperature is higher than predetermined temperature, wherein predetermined temperature is by temperature
Sensor detects to obtain, for example, 200 DEG C or so.
S204：If turbine temperature is higher than the predetermined temperature, the second cooling circuit is switched to by the second water pump
Turbine is cooled down with radiating module, until turbine temperature is less than predetermined temperature, wherein radiating module includes radiator and fan.
In one embodiment of the invention, if turbine temperature is higher than predetermined temperature, the second cooling circuit is switched to
To cool down turbine by the second water pump and radiating module, until turbine temperature includes the step of being less than the predetermined temperature：Control
Switching valve switches to second cooling circuit, and starts the fan and the second water pump with by second water pump and heat dissipation
Module cools down turbine；When the turbine temperature drops to the predetermined temperature, first cooling circuit is switched to, and close
The fan and the second water pump.
The control method of the turbine cooling system of engine according to the ... of the embodiment of the present invention, under engine shutdown or vehicle
After electricity can intelligently, it is automatic and reasonably cool down to turbine, so as to promote the cooling efficiency of turbine, and then promote turbine
Service life.
It should be noted that the specific implementation side of the control method of the turbine cooling system of the engine of the embodiment of the present invention
Formula is similar with the specific implementation of turbine cooling system of the engine of the embodiment of the present invention, specifically refers to components of system as directed
Description, in order to reduce redundancy, is not repeated herein.
Further, embodiment of the invention discloses that a kind of vehicle, the vehicle are provided with such as any one above-mentioned implementation
The turbine cooling system of engine described in example, the vehicle can intelligently, automatically and rationally after electricity under engine shutdown or vehicle
Ground cools down to turbine, so as to promote the cooling efficiency of turbine, and then promotes the service life of turbine.
In addition, other compositions of vehicle according to the ... of the embodiment of the present invention and effect are for those of ordinary skill in the art
For be all known, in order to reduce redundancy, be not repeated herein.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modification, equivalent replacement, improvement and so on should all be included in the protection scope of the present invention god.
Claims (10)
1. a kind of turbine cooling system of engine, which is characterized in that including：
First cooling circuit, first cooling circuit include the radiating module being sequentially connected by cooling line, thermostat,
One water pump and engine, the radiating module is for cooling down turbine；
Second cooling circuit, second cooling circuit includes the radiating module being sequentially connected by cooling line, described
Thermostat and the second water pump, wherein second water pump is powered by power battery；
Switching valve, the switching valve include the first water inlet, the second water inlet and water outlet, first water inlet and the hair
Motivation is connected, and second water inlet is connected with second water pump, and the water outlet is connected with the radiating module；
Controller, the controller are used to cool down turbine by first cooling circuit when engine is run, and described
After engine is shut down and when turbine temperature is higher than predetermined temperature, controls the switching valve and switch to second cooling circuit with logical
Second water pump and radiating module cooling turbine are crossed, until the turbine temperature is less than the predetermined temperature.
2. the turbine cooling system of engine according to claim 1, which is characterized in that further include：Temperature sensor, institute
Temperature sensor is stated for detecting the turbine temperature, the temperature sensor is connected with the controller.
3. the turbine cooling system of engine according to claim 1, which is characterized in that the radiating module includes heat dissipation
Device and fan, radiator setting described in the fan face, to accelerate the radiating efficiency of the radiator, the fan is by described
Controller controls.
4. the turbine cooling system of engine according to claim 1, which is characterized in that the switching valve is two-bit triplet
Valve, the two-position three-way valve are controlled by the controller.
5. the turbine cooling system of engine according to claim 1, which is characterized in that first water pump is by starting
Mechanical water pump, second water pump of machine driving are the electronic water pump driven by the power battery.
6. according to the turbine cooling system of claim 1-5 any one of them engines, which is characterized in that the predetermined temperature
By empirically determined.
7. a kind of control method of turbine cooling system according to claim 1-6 any one of them engines, feature exist
In including the following steps：
Judge whether engine runs；
If it is, the first cooling circuit of control cools down turbine；
If it is not, then further judging whether turbine temperature is higher than predetermined temperature；
If the turbine temperature is higher than the predetermined temperature, the second cooling circuit is switched to by the second water pump and heat dissipation
Module cools down turbine, until the turbine temperature is less than the predetermined temperature, wherein the radiating module includes radiator and wind
Fan.
8. the control method of the turbine cooling system of engine according to claim 7, which is characterized in that the pre- constant temperature
Degree is detected to obtain by temperature sensor.
9. the control method of the turbine cooling system of engine according to claim 7 or 8, which is characterized in that it is described such as
Fruit turbine temperature is higher than the predetermined temperature, then switches to the second cooling circuit to cool down whirlpool by the second water pump and radiating module
Wheel, until the turbine temperature includes the step of being less than the predetermined temperature：
Control switching valve switches to second cooling circuit, and starts the fan and the second water pump with by second water
Pump and radiating module cool down turbine；
When the turbine temperature drops to the predetermined temperature, first cooling circuit is switched to, and close the fan
With the second water pump.
10. a kind of vehicle, which is characterized in that the vehicle is provided with the whirlpool of engine as claimed in any one of claims 1 to 6
Take turns cooling system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710114033.2A CN108506076B (en) | 2017-02-28 | 2017-02-28 | Turbine cooling system of engine, control method and vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710114033.2A CN108506076B (en) | 2017-02-28 | 2017-02-28 | Turbine cooling system of engine, control method and vehicle |
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| Publication Number | Publication Date |
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| CN108506076A true CN108506076A (en) | 2018-09-07 |
| CN108506076B CN108506076B (en) | 2020-01-07 |
Family
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| CN201710114033.2A Active CN108506076B (en) | 2017-02-28 | 2017-02-28 | Turbine cooling system of engine, control method and vehicle |
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| CN111058931A (en) * | 2018-10-16 | 2020-04-24 | 现代自动车株式会社 | Engine cooling system and method for vehicle using turbocharger |
| CN111796227A (en) * | 2019-04-08 | 2020-10-20 | 西门子(深圳)磁共振有限公司 | Cooling system, control method and magnetic resonance imaging equipment |
| CN112512277A (en) * | 2020-12-10 | 2021-03-16 | 北京超星未来科技有限公司 | Water-cooling heat dissipation device and system for vehicle domain controller and use method of water-cooling heat dissipation system |
| CN115217607A (en) * | 2022-01-29 | 2022-10-21 | 广州汽车集团股份有限公司 | Cooling control method, cooling control device, electronic apparatus, and readable medium |
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| CN115217607A (en) * | 2022-01-29 | 2022-10-21 | 广州汽车集团股份有限公司 | Cooling control method, cooling control device, electronic apparatus, and readable medium |
| CN115217607B (en) * | 2022-01-29 | 2024-01-16 | 广州汽车集团股份有限公司 | Cooling control method, cooling control device, electronic equipment and readable medium |
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