CN114810330B - Intercooling control method and device for diesel vehicle and vehicle - Google Patents
Intercooling control method and device for diesel vehicle and vehicle Download PDFInfo
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- CN114810330B CN114810330B CN202110609174.8A CN202110609174A CN114810330B CN 114810330 B CN114810330 B CN 114810330B CN 202110609174 A CN202110609174 A CN 202110609174A CN 114810330 B CN114810330 B CN 114810330B
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- intercooler
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- 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
- F02B29/00—Engines characterised by provision for charging or scavenging not provided for in groups F02B25/00, F02B27/00 or F02B33/00 - F02B39/00; Details thereof
- F02B29/04—Cooling of air intake supply
- F02B29/0493—Controlling the air charge temperature
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
- F02M26/00—Engine-pertinent apparatus for adding exhaust gases to combustion-air, main fuel or fuel-air mixture, e.g. by exhaust gas recirculation [EGR] systems
- F02M26/13—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories
- F02M26/22—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage
- F02M26/33—Arrangement or layout of EGR passages, e.g. in relation to specific engine parts or for incorporation of accessories with coolers in the recirculation passage controlling the temperature of the recirculated gases
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Exhaust-Gas Circulating Devices (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The application provides an inter-cooling control method and device for a diesel vehicle and the vehicle, wherein the inter-cooling control method comprises the following steps: collecting the actual air inlet temperature of the diesel engine; when the actual air inlet temperature is greater than the preset air inlet temperature, the EGR waste gas is radiated by the EGR cooler; the method comprises the steps of obtaining the actual surface temperature of the intercooler, the actual environment humidity of the environment where the intercooler is located and the actual environment temperature, and when the actual environment humidity is larger than the preset environment humidity and the temperature difference between the actual environment temperature and the actual surface temperature of the intercooler is larger than the preset difference value, utilizing the intercooler to radiate EGR waste gas and utilizing heat generated by radiation to heat the intercooler. According to the intercooling control method for the diesel vehicle, the problems that in the related art, the air inlet temperature of a supercharged diesel engine in extremely cold areas is too low, the combustion efficiency is reduced, and water is accumulated in an intercooler in rainy days under high humidity in summer are solved.
Description
Technical Field
The application relates to the technical field of vehicles, in particular to an inter-cooling control method and device for a diesel vehicle and the vehicle.
Background
In cold winter, the northern temperature can reach minus 35 ℃ and even lower, and the temperature of the hot air after turbocharging in the running process of the vehicle is equivalent to the ambient temperature after being cooled by an intercooler.
However, as the optimal air inlet temperature of the diesel engine is 10-50 ℃, the air inlet temperature is too low, the combustion efficiency of the diesel engine is affected, the problems of insufficient combustion, increased oil consumption or reduced power and the like are caused, in addition, the diesel engine is provided with only one crankcase ventilation pipe connected to an air filtering air pipe, and water vapor in the crankcase completely enters a rear pipeline of the supercharger and an intercooler through the supercharger, and the problems of freezing of the intercooler and an intercooling pipeline are caused when the temperature in the intercooler and the pipeline is too low; in addition, in summer, water vapor is condensed in the intercooler, so that the problem of water accumulation of the intercooler is solved urgently.
Disclosure of Invention
Content of the application
In view of the above, the present application aims to provide an inter-cooling control method for a diesel vehicle, which solves the problems of too low air intake temperature of a supercharged diesel engine in extremely cold areas, reduced combustion efficiency, and accumulated water of an inter-cooler in rainy days in summer.
In order to achieve the above purpose, the technical scheme of the application is realized as follows:
an inter-cooling control method of a diesel vehicle, comprising the steps of:
collecting the actual air inlet temperature of the diesel engine;
when the actual air intake temperature is greater than a preset air intake temperature, an Exhaust Gas Recirculation (EGR) cooler is utilized to radiate the EGR Exhaust Gas; and
the method comprises the steps of obtaining the actual surface temperature of the intercooler, the actual environment humidity of the environment and the actual environment temperature, and heating the intercooler while utilizing the intercooler to radiate EGR waste gas when the actual environment humidity is larger than the preset environment humidity and the temperature difference between the actual environment temperature and the actual surface temperature of the intercooler is larger than the preset difference value.
Further, the method further comprises the following steps:
and when the actual air inlet temperature is smaller than or equal to the preset air inlet temperature, radiating the EGR waste gas by using the intercooler, and heating the intercooler by using heat generated by radiating.
Further, the preset air inlet temperature is 10 ℃, the preset difference value is 20 ℃, and the preset ambient humidity is 50%.
Further, a first switch is provided on a connection line between an exhaust manifold and the EGR cooler, and a second switch is provided on a connection line between the exhaust manifold and the intercooler, wherein the cooling of EGR exhaust gas by the EGR cooler includes:
and controlling the first switch to be closed and controlling the second switch to be opened.
Further, the heating of the intercooler while radiating the EGR exhaust gas by the intercooler includes:
and controlling the first switch to be opened and controlling the second switch to be closed.
Compared with the prior art, the inter-cooling control method for the diesel vehicle has the following advantages:
according to the intercooling control method for the diesel vehicle, the actual air inlet temperature of the diesel engine can be acquired, when the actual air inlet temperature is larger than the preset air inlet temperature, the EGR waste gas is radiated by the EGR cooler, the actual surface temperature of the intercooler, the actual environment humidity of the environment where the EGR waste gas is located and the actual environment temperature are acquired, when the actual environment humidity is larger than the preset environment humidity, and the temperature difference between the actual environment temperature and the actual surface temperature of the intercooler is larger than the preset difference value, the intercooler is utilized to radiate the EGR waste gas, and meanwhile, the intercooler is heated, so that the problem that the air inlet temperature of the supercharged diesel engine in the extremely cold area is too low, the intercooler and an intercooling pipeline are frozen, the combustion efficiency is reduced, and the problem of water accumulation of the intercooler in the rainy days under high humidity in summer is solved.
A second object of the present application is to propose an inter-cooling control device for a diesel vehicle.
In order to achieve the above purpose, the technical scheme of the application is realized as follows:
an inter-cooling control device of a diesel vehicle, comprising:
the acquisition module is used for acquiring the actual air inlet temperature of the diesel engine;
the acquisition module is used for radiating the EGR waste gas by using the EGR cooler when the actual air inlet temperature is greater than the preset air inlet temperature; and
the system comprises a first control module, a second control module and a third control module, wherein the first control module is used for acquiring the actual surface temperature of the intercooler, the actual environment humidity of the environment and the actual environment temperature, and when the actual environment humidity is larger than the preset environment humidity and the temperature difference between the actual environment temperature and the actual surface temperature of the intercooler is larger than the preset difference value, the intercooler is used for radiating the EGR waste gas and simultaneously heating the intercooler by using heat generated by heat radiation.
Optionally, the method further comprises: and the second control module is used for radiating the EGR waste gas by using the intercooler when the actual air inlet temperature is smaller than or equal to the preset air inlet temperature, and heating the intercooler by using heat generated by radiating.
Optionally, the preset air inlet temperature is 10 ℃, the preset difference is 20 ℃, and the preset ambient humidity is 50%.
Optionally, a first switch is disposed on a connection line between an exhaust manifold and the EGR cooler, and a second switch is disposed on a connection line between the exhaust manifold and the intercooler, where the acquisition module includes: and the first control unit is used for controlling the first switch to be closed and controlling the second switch to be opened.
Optionally, the first control module includes: and the second control unit is used for controlling the first switch to be opened and controlling the second switch to be closed.
Compared with the prior art, the intercooling control device of the diesel vehicle has the following advantages:
the application diesel vehicle's intercooling controlling means, can gather diesel engine's actual temperature of admitting air, and when actual temperature of admitting air is greater than the temperature of admitting air in advance, utilize EGR cooler to dispel the heat to EGR waste gas, obtain the actual surface temperature of intercooler, the actual environment humidity and the actual environment temperature of the environment of place, and be greater than the environment humidity in advance in actual environment humidity, and when the difference between actual environment temperature and the intercooler's the actual surface temperature is greater than predetermineeing the difference, when utilizing the intercooler to dispel the heat to EGR waste gas, for the intercooler heating, the extremely cold district supercharged diesel engine temperature of admitting air is too low in the correlation technique has been solved, lead to intercooler and intercooler pipeline to freeze, combustion efficiency descends, and the ponding problem of summer high wet rainy day intercooler.
A third object of the present application is to propose a vehicle.
In order to achieve the above purpose, the technical scheme of the application is realized as follows:
a vehicle is provided with an inter-cooling control device of a diesel vehicle as described in the above embodiment.
The vehicle in the embodiment of the application has the same advantages as the charge air cooling control device of the diesel vehicle in the prior art, and is not described herein.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application, illustrate and explain the application and are not to be construed as limiting the application. In the drawings:
FIG. 1 is a flow chart of an inter-cooling control method for a diesel vehicle according to an embodiment of the present application;
FIG. 2 is a block schematic diagram of a vehicle system according to an embodiment of the present application;
FIG. 3 is a control flow diagram of an inter-cooling control method for a diesel vehicle according to one embodiment of the present disclosure;
fig. 4 is a block schematic diagram of an inter-cooling control device of a diesel vehicle according to an embodiment of the present application.
Detailed Description
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other.
The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Fig. 1 is a flowchart of an inter-cooling control method of a diesel vehicle according to an embodiment of the present application.
Before introducing the inter-cooling control method of the diesel vehicle in the embodiment of the application, a block schematic diagram of a whole vehicle system related to the inter-cooling control method of the diesel vehicle in the embodiment of the application is first briefly introduced.
As shown in fig. 2, the whole vehicle system includes: engine 1, EGR cooler 2, first switch 3, second switch 4, EGR valve 5, exhaust system 6, exhaust manifold 7, supercharger 8, air cleaner 9, electronic fan 10, radiator 11, intercooler 12, intercooler surface temperature sensor 13, intake air temperature sensor 14, intake manifold 15, ECU (Electronic Control Unit ) 16, ambient humidity sensor 17, ambient temperature sensor 18, and water pipes, intercooler pipes, wire harnesses, and the like to which they are connected.
Specifically, the embodiment of the present application may control the opening and closing of the first switch 3 and the second switch 4 according to the temperature of the ECU16 reading the intake air temperature sensor 14, the temperature of the intercooler surface temperature sensor 13, the humidity of the ambient humidity sensor 17, the temperature of the ambient temperature sensor 18, thereby achieving EGR exhaust gas circulation path selection.
In the actual design, the first switch 3 and the second switch 4 may be designed as a three-way valve or may be separately designed, and are not particularly limited herein.
Specifically, as shown in fig. 1, the inter-cooling control method of the diesel vehicle according to the embodiment of the application includes the following steps:
in step S101, the actual intake air temperature of the diesel engine 1 is acquired.
For example, the embodiment of the present application may acquire the actual intake air temperature of the diesel engine 1 by the intake air temperature sensor 14.
It should be noted that, there are various ways of collecting the actual intake air temperature of the diesel engine 1, and those skilled in the art can adopt a corresponding collecting way according to the actual situation, so that redundancy is avoided, and detailed description is omitted here.
In step S102, when the actual intake air temperature is greater than the preset intake air temperature, the EGR cooler 2 radiates heat from the EGR exhaust gas.
Preferably, in some embodiments, the preset intake air temperature is 10 degrees celsius.
Optionally, in some embodiments, as shown in fig. 2, a first switch 3 is disposed on a connection line between the exhaust manifold and the EGR cooler 2, and a second switch 4 is disposed on a connection line between the exhaust manifold and the intercooler 12, where heat dissipation of the EGR exhaust gas by the EGR cooler 2 includes: the first switch 3 is controlled to be closed and the second switch 4 is controlled to be opened.
It should be understood that, as shown in fig. 2, in order to improve the cooling efficiency, the embodiment of the present application may further be provided with a first switch 3 and a second switch 4, where the first switch 3 is disposed on a connection line between the exhaust manifold and the EGR cooler 2, and the second switch 4 is disposed on a connection line between the exhaust manifold and the intercooler 12, so that the control of the circulation path of the EGR exhaust gas is achieved by controlling the opening and closing of the first switch 3 and the second switch 4.
Specifically, in conjunction with fig. 2 and 3, when the actual intake air temperature is greater than the preset intake air temperature, such as 10 degrees celsius, the embodiment of the present application may control the first switch 3 to be closed and control the second switch 4 to be opened, and since the first switch 3 is closed and the second switch 4 is opened, the EGR exhaust gas may enter the EGR cooler 2 through the exhaust pipe via the first switch 3 to dissipate heat, without passing through the intercooler 12.
In step S103, the actual surface temperature of the intercooler 12, the actual ambient humidity of the environment where the intercooler 12 is located, and the actual ambient temperature are obtained, and when the actual ambient humidity is greater than the preset ambient humidity and the temperature difference between the actual ambient temperature and the actual surface temperature of the intercooler 12 is greater than the preset difference, the intercooler 12 is used to dissipate heat of the EGR exhaust gas, and at the same time, the heat generated by the heat dissipation is used to heat the intercooler 12.
Optionally, in some embodiments, cooling the EGR exhaust with the intercooler 12 while heating the intercooler 12 includes: the first switch 3 is controlled to open and the second switch 4 is controlled to close.
Preferably, in some embodiments, the preset ambient humidity may be 50% and the preset difference may be 20 degrees celsius.
Based on the above embodiment, as can be seen from fig. 3, when the actual ambient humidity is greater than the preset ambient humidity, for example, 50%, and the difference between the actual ambient temperature acquired by the ambient temperature sensor and the surface temperature of the intercooler 12 (ambient temperature—the surface temperature of the intercooler 12) is greater than the preset difference, for example, 20 degrees celsius, the embodiment of the present application can control the first switch 3 to be opened and control the second switch 4 to be closed, and because the first switch 3 is opened and the second switch 4 to be closed, the EGR exhaust gas can enter the intercooler 12 through the exhaust pipe via the second switch 4 to dissipate heat, and the heat generated in the heat dissipation process can also heat the intercooler 12, thereby increasing the surface temperature of the intercooler 12.
Optionally, in some embodiments, further comprising: when the actual intake air temperature is less than or equal to the preset intake air temperature, the intercooler 12 is used for radiating the EGR exhaust gas, and the heat generated by the radiation is used for heating the intercooler 12.
It should be appreciated that, as can be appreciated from fig. 3, when the actual intake air temperature is less than or equal to the preset intake air temperature, such as 10 degrees celsius, the embodiment of the present application may control the first switch 3 to be opened and the second switch 4 to be closed, so that the EGR exhaust gas radiates heat through the intercooler 12, and the heat generated by the radiation is utilized to heat the intercooler 12, so that after the temperature of the intercooler 12 is increased, the intake air temperature is increased.
Therefore, an EGR exhaust gas circulation path of the diesel engine is controlled through a program, EGR exhaust gas is used for heating the intercooler 12 under specific conditions, the intake temperature of the engine in extremely cold environments is improved, the icing problem of the intercooler 12 and an intercooling pipeline is avoided, and meanwhile, the fuel economy of the engine is improved; and the problem of water accumulation of the air intercooler in rainy days under high humidity in summer is solved by controlling the surface temperature of the intercooler.
According to the intercooling control method for the diesel vehicle, the actual air inlet temperature of the diesel engine can be acquired, when the actual air inlet temperature is larger than the preset air inlet temperature, the EGR waste gas is radiated by the EGR cooler, the actual surface temperature of the intercooler, the actual environment humidity of the environment where the EGR waste gas is located and the actual environment temperature are obtained, when the actual environment humidity is larger than the preset environment humidity, and the temperature difference between the actual environment temperature and the actual surface temperature of the intercooler is larger than the preset difference value, the EGR waste gas is radiated by the intercooler, and meanwhile the intercooler is heated, so that the problems that in the related art, the air inlet temperature of the supercharged diesel engine in the extremely cold area is too low, the intercooler and an intercooling pipeline are frozen, the combustion efficiency is reduced, and the water accumulation of the intercooler in a rainy day under high humidity in summer are solved.
Fig. 4 is a block schematic diagram of an inter-cooling control device of a diesel vehicle according to an embodiment of the present application. As shown in fig. 4, the inter-cooling control device of the diesel vehicle of the embodiment of the present application includes: the acquisition module 100, the acquisition module 200 and the first control module 300.
Wherein, the acquisition module 100 is used for acquiring the actual air intake temperature of the diesel engine; the acquisition module 200 is configured to perform heat dissipation on the EGR exhaust gas by using the EGR cooler when the actual intake air temperature is greater than the preset intake air temperature; and the first control module 300 is configured to obtain an actual surface temperature of the intercooler, an actual ambient humidity of an environment where the intercooler is located, and an actual ambient temperature, and when the actual ambient humidity is greater than a preset ambient humidity, and a temperature difference between the actual ambient temperature and the actual surface temperature of the intercooler is greater than a preset difference, utilize the intercooler to dissipate heat of EGR exhaust gas, and utilize heat generated by heat dissipation to heat the intercooler.
Optionally, in some embodiments, the above-mentioned inter-cooling control device for a diesel vehicle further includes:
and the second control module is used for radiating the EGR waste gas by using the intercooler when the actual air inlet temperature is smaller than or equal to the preset air inlet temperature, and heating the intercooler by using heat generated by radiating.
Optionally, in some embodiments, the preset intake air temperature is 10 degrees celsius, the preset difference is 20 degrees celsius, and the preset ambient humidity is 50%.
Optionally, in some embodiments, a first switch is provided on a connection line of the exhaust manifold and the EGR cooler, and a second switch is provided on a connection line of the exhaust manifold and the intercooler, wherein the acquisition module 200 includes:
the first control unit is used for controlling the first switch to be closed and controlling the second switch to be opened.
Optionally, in some embodiments, the first control module 300 includes:
and the second control unit is used for controlling the first switch to be opened and controlling the second switch to be closed.
According to the intercooling control device of the diesel vehicle, the actual air inlet temperature of the diesel engine can be collected, when the actual air inlet temperature is larger than the preset air inlet temperature, the EGR cooler is used for radiating EGR waste gas, the actual surface temperature of the intercooler, the actual environment humidity of the environment where the EGR cooler is located and the actual environment temperature are obtained, when the actual environment humidity is larger than the preset environment humidity, and the temperature difference between the actual environment temperature and the actual surface temperature of the intercooler is larger than the preset difference value, the intercooler is used for radiating the EGR waste gas, and meanwhile, the intercooler is used for heating, so that the problems that in the related art, the air inlet temperature of the supercharged diesel engine in extremely cold areas is too low, the intercooler and an intercooling pipeline are frozen, the combustion efficiency is reduced, and the water accumulation of the intercooler in rainy days under high humidity in summer are solved.
Further, an embodiment of the present application discloses a vehicle provided with the inter-cooling control device of the diesel vehicle of the above embodiment. The vehicle is provided with the intercooling control device of the diesel vehicle, so that the problems of icing of an intercooler and an intercooling pipeline, combustion efficiency reduction and water accumulation of the intercooler caused by high-humidity rainy days in summer due to low air inlet temperature of a supercharged diesel engine in extremely cold areas in the related technology are solved.
The foregoing description of the preferred embodiments of the present invention is not intended to limit the invention to the precise form disclosed, and any modifications, equivalents, and variations which fall within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (5)
1. An inter-cooling control method for a diesel vehicle, comprising the steps of:
collecting the actual air inlet temperature of the diesel engine;
when the actual air inlet temperature is greater than the preset air inlet temperature, an EGR cooler is utilized to radiate the EGR waste gas; and
acquiring the actual surface temperature of the intercooler, the actual environment humidity of the environment where the intercooler is positioned and the actual environment temperature, and when the actual environment humidity is larger than the preset environment humidity and the temperature difference between the actual environment temperature and the actual surface temperature of the intercooler is larger than the preset difference value, utilizing the intercooler to radiate EGR waste gas and utilizing heat generated by radiation to heat the intercooler;
when the actual air inlet temperature is smaller than or equal to the preset air inlet temperature, the intercooler is utilized to radiate the EGR waste gas, and the intercooler is heated by utilizing heat generated by radiating;
a first switch is disposed on a connection line between an exhaust manifold and the EGR cooler, and a second switch is disposed on a connection line between the exhaust manifold and the intercooler, wherein the cooling of EGR exhaust gas by the EGR cooler includes:
the first switch is controlled to be closed, the second switch is controlled to be opened, and because the first switch is closed, the second switch is opened, and EGR waste gas enters the EGR cooler through the exhaust pipeline through the first switch to dissipate heat without passing through the intercooler;
the utility model provides an utilize intercooler to dispel the heat to EGR waste gas simultaneously, utilize the heat that the heat dissipation produced to heat for the intercooler includes:
and controlling the first switch to be opened and controlling the second switch to be closed, enabling EGR waste gas to enter the intercooler through the exhaust pipeline via the second switch to dissipate heat, and heating the intercooler by heat generated in the heat dissipation process, so that the surface temperature of the intercooler is increased.
2. The charge air cooling control method according to claim 1, wherein the preset intake air temperature is 10 degrees celsius, the preset difference is 20 degrees celsius, and the preset ambient humidity is 50%.
3. An inter-cooling control device for a diesel vehicle, comprising:
the acquisition module is used for acquiring the actual air inlet temperature of the diesel engine;
the acquisition module is used for radiating the EGR waste gas by using the EGR cooler when the actual air inlet temperature is greater than the preset air inlet temperature; and
the first control module is used for acquiring the actual surface temperature of the intercooler, the actual environment humidity of the environment where the intercooler is positioned and the actual environment temperature, and heating the intercooler by using heat generated by heat dissipation while the intercooler is used for dissipating the EGR waste gas when the actual environment humidity is larger than the preset environment humidity and the temperature difference between the actual environment temperature and the actual surface temperature of the intercooler is larger than the preset difference;
the second control module is used for radiating the EGR waste gas by using the intercooler when the actual air inlet temperature is smaller than or equal to the preset air inlet temperature, and heating the intercooler by using heat generated by radiating;
a first switch is disposed on a connection line of an exhaust manifold and the EGR cooler, and a second switch is disposed on a connection line of the exhaust manifold and the intercooler, wherein the acquisition module includes:
the first control unit is used for controlling the first switch to be closed and controlling the second switch to be opened, and because the first switch is closed and the second switch is opened, EGR waste gas enters the EGR cooler through the first switch to dissipate heat through an exhaust pipeline without passing through the intercooler;
and the second control unit is used for controlling the first switch to be opened and controlling the second switch to be closed, EGR waste gas enters the intercooler through the exhaust pipeline and passes through the second switch to dissipate heat, and heat generated in the heat dissipation process heats the intercooler, so that the surface temperature of the intercooler is increased.
4. The intercooler control device according to claim 3, wherein the preset intake air temperature is 10 degrees celsius, the preset difference is 20 degrees celsius, and the preset ambient humidity is 50%.
5. A vehicle, characterized by comprising: the inter-cooling control device of a diesel vehicle according to any one of claims 3 to 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609174.8A CN114810330B (en) | 2021-06-01 | 2021-06-01 | Intercooling control method and device for diesel vehicle and vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110609174.8A CN114810330B (en) | 2021-06-01 | 2021-06-01 | Intercooling control method and device for diesel vehicle and vehicle |
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| CN114810330A CN114810330A (en) | 2022-07-29 |
| CN114810330B true CN114810330B (en) | 2023-07-25 |
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Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09280118A (en) * | 1996-04-16 | 1997-10-28 | Isuzu Motors Ltd | Egr device for diesel engine |
| US6725848B2 (en) * | 2002-01-18 | 2004-04-27 | Detroit Diesel Corporation | Method of controlling exhaust gas recirculation system based upon humidity |
| US9080499B2 (en) * | 2012-08-20 | 2015-07-14 | Ford Global Technologies, Llc | Method for controlling a variable charge air cooler |
| US9032939B2 (en) * | 2012-08-20 | 2015-05-19 | Ford Global Technologies, Llc | Method for controlling a variable charge air cooler |
| CN103775252B (en) * | 2014-01-22 | 2016-02-10 | 东风商用车有限公司 | Intelligent cooling device of supercharged diesel engine EGR system |
| JP2017057788A (en) * | 2015-09-16 | 2017-03-23 | 株式会社デンソー | Supercharging system for internal combustion engine with egr device |
| CN110469434A (en) * | 2019-08-16 | 2019-11-19 | 陕西重型汽车有限公司 | A kind of exhaust gas recooling system |
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