CN113775407B - Self-adaptation adjustable advances air preheating control system - Google Patents
Self-adaptation adjustable advances air preheating control system Download PDFInfo
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- CN113775407B CN113775407B CN202111006495.5A CN202111006495A CN113775407B CN 113775407 B CN113775407 B CN 113775407B CN 202111006495 A CN202111006495 A CN 202111006495A CN 113775407 B CN113775407 B CN 113775407B
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 4
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- 239000001301 oxygen Substances 0.000 description 4
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- 230000008859 change Effects 0.000 description 3
- 238000004590 computer program Methods 0.000 description 3
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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
- F02B37/00—Engines characterised by provision of pumps driven at least for part of the time by exhaust
- F02B37/12—Control of the pumps
- F02B37/16—Control of the pumps by bypassing charging air
- F02B37/162—Control of the pumps by bypassing charging air by bypassing, e.g. partially, intake air from pump inlet to pump outlet
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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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/042—Combustion air
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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
- F02M31/00—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture
- F02M31/02—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating
- F02M31/04—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture
- F02M31/06—Apparatus for thermally treating combustion-air, fuel, or fuel-air mixture for heating combustion-air or fuel-air mixture by hot gases, e.g. by mixing cold and hot air
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02N—STARTING OF COMBUSTION ENGINES; STARTING AIDS FOR SUCH ENGINES, NOT OTHERWISE PROVIDED FOR
- F02N19/00—Starting aids for combustion engines, not otherwise provided for
- F02N19/02—Aiding engine start by thermal means, e.g. using lighted wicks
- F02N19/04—Aiding engine start by thermal means, e.g. using lighted wicks by heating of fluids used in engines
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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)
- Supercharger (AREA)
Abstract
The invention discloses a self-adaptive adjustable air inlet preheating control system, which relates to the technical field of automobile engines and comprises an air guide component and a control component, wherein the air guide component comprises an air guide pipe arranged at a supercharger in an engine system, one end of the air guide pipe is connected to the air outlet end of the supercharger, and the other end of the air guide pipe is connected to the air inlet end of the supercharger so as to guide the air pressurized by the supercharger to the air inlet end of the supercharger from the air outlet end of the supercharger; the control assembly comprises an electronic controller and an air inlet shunting butterfly valve arranged in the air guide pipe, and the electronic controller is electrically connected with the air inlet shunting butterfly valve to control the opening or closing of the air inlet shunting butterfly valve. The invention can effectively ensure the normal starting of the engine in a low-temperature environment.
Description
Technical Field
The invention relates to the technical field of automobile engines, in particular to a self-adaptive adjustable intake preheating control system.
Background
At present, engine air intake system's preheating mainly relies on the relay of preheating among the air intake system to go on, under specific cold district operating mode (for example the environment of 30 ℃ below zero), through preheating the relay to the interior air heating of intake duct annex, air temperature rises in the intake duct under quiescent condition to in the engine start-up is in the twinkling of an eye, makes the air after preheating can get into engine cylinder in, effectively avoids the engine to cross the ignition failure because of intake duct air temperature at the ignition section.
However, the current scheme of preheating the air in the air inlet channel through the preheating relay can cause that the air entering the engine only has a strand of high-temperature gas in the initial period, and the sustainable high-temperature gas is not supplemented, so that the situation that the engine is not started successfully still can occur.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a self-adaptive adjustable intake preheating control system which can effectively ensure the normal starting of an engine in a low-temperature environment.
To achieve the above object, the present invention provides an adaptive adjustable intake air preheating control system, including:
the air guide assembly comprises an air guide pipe arranged at a supercharger in an engine system, one end of the air guide pipe is connected to the air outlet end of the supercharger, and the other end of the air guide pipe is connected to the air inlet end of the supercharger so as to guide the air pressurized by the supercharger to the air inlet end of the supercharger from the air outlet end of the supercharger;
the control assembly comprises an electronic controller and an air inlet shunting butterfly valve arranged in the air guide pipe, and the electronic controller is electrically connected with the air inlet shunting butterfly valve to control the opening or closing of the air inlet shunting butterfly valve.
On the basis of the technical scheme, a pressure sensor is further arranged in the air guide pipe, the pressure sensor is located between the air outlet end of the supercharger and the air inlet flow dividing butterfly valve, and the pressure sensor is electrically connected with the electronic controller.
On the basis of the technical scheme, a throttle valve is arranged behind the air outlet end of the supercharger and is electrically connected with the electronic controller.
On the basis of the technical scheme, an intercooler is arranged between the throttle valve and the supercharger.
On the basis of the technical scheme, an air filter is arranged at the front end of the supercharger.
On the basis of the technical scheme, the supercharger is coaxially connected with an exhaust turbine.
On the basis of the technical scheme, the rear end of the exhaust gas turbine is provided with an after-treatment device.
On the basis of the technical scheme, the engine system comprises an engine body, wherein the air inlet end of the engine body is connected with the supercharger, and the air outlet end of the engine body is connected with the exhaust turbine.
On the basis of the technical scheme, the engine system further comprises an EGR valve and an EGR intercooler.
On the basis of the technical scheme, the EGR valve and the EGR intercooler are positioned on the same pipeline.
Compared with the prior art, the invention has the advantages that: through the setting of air guide subassembly and control module, the air guide subassembly is including setting up the air duct of booster department in engine system, the one end of air duct is connected in the end of giving vent to anger of booster, the other end is connected in the inlet end of booster, control module includes electronic controller and the reposition of redundant personnel butterfly valve that admits air of locating in the air duct, electronic controller with admit air reposition of redundant personnel butterfly valve electric connection in order to control the opening or closing of reposition of redundant personnel butterfly valve that admits air, when ambient temperature crosses lowly, the reposition of redundant personnel butterfly valve that admits air opens and shunts to the booster entry with the high-temperature air after with booster rear end partly pressure boost through the air duct, thereby promote the fresh air temperature of booster entry, thereby guarantee that there is the high-temperature gas of persistence and enter the engine after the booster further heats, effectively ensure the normal start-up of engine under the low temperature environment.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of an adaptive adjustable intake air preheating control system according to an embodiment of the present invention.
In the figure: 1-an engine body, 2-an EGR valve, 3-an EGR intercooler, 4-an intercooler, 5-a supercharger, 6-an exhaust turbine, 7-an after-treatment device, 8-an air filter, 9-an air inlet flow dividing butterfly valve, 10-a pressure sensor, 11-an electronic controller, 12-a throttle valve and 13-an air guide pipe.
Detailed Description
The embodiment of the invention provides a self-adaptive adjustable air inlet preheating control system, which comprises an air guide component and a control component, wherein the air guide component comprises an air guide pipe 13 arranged at a supercharger 5 in an engine system, one end of the air guide pipe 13 is connected to an air outlet end of the supercharger 5, the other end of the air guide pipe 13 is connected to an air inlet end of the supercharger 5, the control component comprises an electronic controller 11 and an air inlet shunt butterfly valve 9 arranged in the air guide pipe 13, the electronic controller 11 is electrically connected with the air inlet shunt butterfly valve 9 to control the opening or closing of the air inlet shunt butterfly valve 9, when the ambient temperature is too low, the air inlet shunt butterfly valve 9 is opened to shunt part of high-temperature air after pressurization at the rear end of the supercharger 5 to an inlet of the supercharger 5 through the air guide pipe 13, so that the fresh air temperature at the inlet of the supercharger 5 is increased, continuous high-temperature air is ensured to enter an engine after being further heated by the supercharger 5, and the normal starting of the engine under the low-temperature environment is effectively ensured.
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments.
Referring to fig. 1, an embodiment of the present invention provides an adaptive adjustable intake air preheating control system, which includes an air guide assembly and a control assembly. The air guide assembly comprises an air guide pipe 13 arranged at the supercharger 5 in the engine system, one end of the air guide pipe 13 is connected to the air outlet end of the supercharger 5, and the other end of the air guide pipe 13 is connected to the air inlet end of the supercharger 5 so as to guide the air pressurized by the supercharger 5 to the air inlet end of the supercharger 5 through the air outlet end of the supercharger 5. In the running process of a supercharger 5 in an engine system, air at the air inlet end of the supercharger 5 is compressed, and the compressed air is delivered to an engine through the air outlet end of the supercharger 5, so that the air entering the engine is compressed air, the air input of the engine is improved, and the running power of the engine is effectively improved.
When the supercharger 5 supercharges air to change the air into supercharged air, the temperature of the air can be increased, namely the air temperature at the air outlet end of the supercharger 5 is higher than the air temperature at the air inlet end of the supercharger 5, under the action of the supercharger 5, the engine can be in an oxygen-enriched state, and the air is sufficient, so that part of the heated air at the air outlet end of the supercharger 5 can be distributed to the air inlet end of the supercharger 5 through the action of the air guide pipe 13, the temperature of the fresh air at the air inlet end of the supercharger 5 is increased, the temperature of the fresh air after temperature increase is further increased after the supercharger 5 supercharges the fresh air, the temperature of the air at the air outlet end of the supercharger 5 is effectively increased, the air entering the engine is always the air after temperature increase, and the normal start of the engine under a low-temperature environment is ensured.
Under the low temperature working condition, for example, 30 ℃ below zero, the ambient temperature is too low, at the moment, the engine is difficult to start, at the moment, the supercharger 5 boosts the air to change the air into the supercharged air, the temperature of the supercharged air rises, under the action of the supercharger 5, the engine is in an oxygen-enriched state and the air is sufficient, so that part of the air at the air outlet end of the supercharger 5 after being heated is distributed to the air inlet end of the supercharger 5 under the action of the air guide pipe 13, the temperature of the fresh air at the air inlet end of the supercharger 5 is increased, the temperature of the fresh air after being heated is further increased after being supercharged by the supercharger 5, the temperature of the air at the air outlet end of the supercharger 5 is effectively increased, the air entering the engine is always the air after being heated, and the normal start of the engine under the low temperature environment is ensured.
The Control assembly comprises an electronic controller 11 and an air inlet flow dividing butterfly valve 9 arranged in the air duct 13, the electronic controller 11 is electrically connected with the air inlet flow dividing butterfly valve 9 to Control the opening or closing of the air inlet flow dividing butterfly valve 9, and the electronic controller 11 can be a BCM (Body Control Module, a vehicle Body computer) or other devices. Namely, the electronic controller 11 controls the intake air diversion butterfly valve 9 to control whether the air at the air outlet end of the supercharger 5 is diverted to the air inlet end of the supercharger 5. When the engine is in the starting section, the electronic controller 11 controls the air inlet flow dividing butterfly valve 9 to control the opening of the air inlet flow dividing butterfly valve 9, and divides a part of heated air at the air outlet end of the supercharger 5 to the air inlet end of the supercharger 5, so that the temperature of fresh air at the air inlet end of the supercharger 5 is increased, the temperature of the fresh air after temperature increase is further increased after the fresh air is pressurized by the supercharger 5, and the temperature of the air at the air outlet end of the supercharger 5 is effectively increased, so that the air entering the engine is always the air after temperature increase, and the normal starting of the engine in a low-temperature environment is ensured; after the engine is started, the electronic controller 11 controls the air inlet flow dividing butterfly valve 9 to close, and air at the air outlet end of the supercharger 5 is not divided.
Further, the intake air preheating control system of the present invention further supports adaptive adjustment, that is, the temperature at the intake end of the supercharger 5 is adaptively adjusted based on the ambient temperature, that is, the present invention further may provide an adaptive adjustable intake air preheating control method, which is implemented based on the intake air preheating control system of the embodiment of the present invention.
The self-adaptive adjustable intake air preheating control method specifically comprises the following steps: the electronic controller 11 collects the ambient temperature and the water temperature of the engine in real time, whether the engine is in a low-temperature state at present is judged based on the collected ambient temperature and the collected water temperature of the engine, when the ambient temperature and the water temperature of the engine are both lower than-20 ℃, the engine is in a cold start state at present, and certain difficulty exists in starting the engine, so that in an initial state when an automobile key is started, the air inlet distribution butterfly valve 9 is in a closed state by default, the electronic controller 11 receives starting information, the electronic controller 11 judges that the ambient temperature and the water temperature of the engine are both lower than a preset temperature, and the rotating speed of the engine is lower than a preset rotating speed, the electronic controller 11 opens the air inlet distribution butterfly valve 9 to calibrate the opening, a part of heated air at the air outlet end of the supercharger 5 is distributed to the air inlet end of the supercharger 5 to be higher than 40 ℃, so that the temperature of fresh air at the air inlet end of the supercharger 5 is increased, the temperature of the fresh air after the temperature is increased by the supercharger 5, so that the temperature of the air at the air outlet end of the supercharger 5 is further increased, so that the temperature of the air after the temperature is increased, the temperature is greatly increased, the gas temperature of the engine is increased, and the gas at the inlet of the engine, so that the engine is circulated, and the problem that the engine is effectively solved, and the problem that the engine is difficult to start of the engine.
In a possible implementation manner, when the vehicle is in a low-temperature environment and the engine needs to be warmed up, the intake preheating control system according to the embodiment of the present invention may also be implemented, in which the intake bypass butterfly valve 9 is opened by the electronic controller 11, so as to bypass a part of the warmed air at the outlet end of the supercharger 5 to the inlet end of the supercharger 5, raise the temperature of the air at the inlet end of the supercharger 5, effectively raise the fuel combustion efficiency, increase the heat released during combustion, and thus facilitate the warming-up activity of the engine.
The air that gives vent to anger partly behind the rising temperature of end with booster 5 shunts to 5 inlet end departments of booster to promote 5 inlet end departments of booster fresh air's temperature, the fresh air after the temperature promotion is through 5 pressure boost backs of booster, its temperature further promotes, thereby effectively promotes the temperature of 5 outlet end departments of booster air, makes the air that gets into the engine all the time for the air after the temperature promotes, realizes the warm-up activity of engine.
In the embodiment of the invention, a pressure sensor 10 is further arranged in the gas guide pipe 13, the pressure sensor 10 is positioned between the gas outlet end of the supercharger 5 and the gas inlet shunting butterfly valve 9, and the pressure sensor 10 is electrically connected with the electronic controller 11. The pressure of the air flow in the air guide pipe 13 is monitored through the pressure sensor 10, and pressure data obtained through monitoring are transmitted to the electronic controller 11 in real time, so that the electronic controller 11 determines whether to operate the air inlet flow distribution butterfly valve 9 or control the opening degree of the air inlet flow distribution butterfly valve 9 according to the pressure in the air guide pipe 13, and therefore the gas pressure in the air guide pipe 13 is controlled.
In the embodiment of the invention, a throttle valve 12 is arranged behind the air outlet end of the supercharger 5, the throttle valve 12 is electrically connected with the electronic controller 11, and the control of the throttle valve 12 is realized through the electronic controller 11.
In the embodiment of the invention, an intercooler 4 is provided between the throttle valve 12 and the supercharger 5. An air filter 8 is arranged at the front end of the supercharger 5. An exhaust turbine 6 is coaxially connected to the supercharger 5. An aftertreatment device 7 is provided at the rear end of the exhaust turbine 6, and the aftertreatment device 7 is a device for treating exhaust gas or the like.
The engine system comprises an engine body 1, wherein the air inlet end of the engine body 1 is connected with a supercharger 5, and the air outlet end of the engine body 1 is connected with an exhaust turbine 6. The engine system further comprises an EGR (Exhaust Gas recirculation) valve and an EGR intercooler 3. The EGR valve 2 and the EGR intercooler 3 are located on the same line.
According to the self-adaptive adjustable air inlet preheating control system provided by the embodiment of the invention, through the arrangement of the air guide assembly and the control assembly, the air guide assembly comprises the air guide pipe 13 arranged at the supercharger 5 in an engine system, one end of the air guide pipe 13 is connected to the air outlet end of the supercharger 5, the other end of the air guide pipe 13 is connected to the air inlet end of the supercharger 5, the control assembly comprises the electronic controller 11 and the air inlet shunt butterfly valve 9 arranged in the air guide pipe 13, the electronic controller 11 is electrically connected with the air inlet shunt butterfly valve 9 to control the opening or closing of the air inlet shunt butterfly valve 9, when the ambient temperature is too low, the air inlet shunt butterfly valve 9 is opened to shunt part of the high-temperature air after being supercharged at the rear end of the supercharger 5 to the inlet of the supercharger 5 through the air guide pipe 13, so that the fresh air temperature at the inlet of the supercharger 5 is increased, the continuous high-temperature air is further heated by the supercharger 5 and then enters the engine, and the normal starting of the engine under the low-temperature environment is effectively ensured.
Embodiments of the present invention further provide a readable storage medium, on which a computer program is stored, where the computer program, when executed by a processor, implements the steps of the adaptive adjustable intake air preheating control method described above.
The storage medium may take any combination of one or more computer-readable media. The computer readable medium may be a computer readable signal medium or a computer readable storage medium. The computer-readable storage medium may be, for example but not limited to: an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the foregoing. More specific examples (a non-exhaustive list) of the computer readable storage medium would include the following: an electrical connection having one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing. In the context of this document, a computer readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
A computer readable signal medium may include a propagated data signal with computer readable program code embodied therein, for example, in baseband or as part of a carrier wave. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination thereof. A computer readable signal medium may also be any computer readable medium that is not a computer readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device. Program code embodied on a computer readable medium may be transmitted using any appropriate medium, including but not limited to: wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
Computer program code for carrying out operations for aspects of the present invention may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, smalltalk, C + + or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer and partly on a remote computer or entirely on the remote computer or server. In the case of a remote computer, the remote computer may be connected to the user's computer through any type of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or the connection may be made to an external computer (for example, through the Internet using an Internet service provider).
The embodiment of the invention also provides an automobile which comprises the self-adaptive adjustable type air inlet preheating control system in the embodiment of the invention. The self-adaptive adjustable type air inlet preheating control system comprises an air guide assembly and a control assembly.
The air guide assembly comprises an air guide pipe 13 arranged at the supercharger 5 in the engine system, one end of the air guide pipe 13 is connected to the air outlet end of the supercharger 5, and the other end of the air guide pipe 13 is connected to the air inlet end of the supercharger 5 so as to guide the air pressurized by the supercharger 5 to the air inlet end of the supercharger 5 from the air outlet end of the supercharger 5; the control assembly comprises an electronic controller 11 and an air inlet shunting butterfly valve 9 arranged in the air guide pipe 13, and the electronic controller 11 is electrically connected with the air inlet shunting butterfly valve 9 to control the opening or closing of the air inlet shunting butterfly valve 9.
In the running process of a supercharger 5 in an engine system, air at the air inlet end of the supercharger 5 is compressed, and the compressed air is delivered to an engine through the air outlet end of the supercharger 5, so that the air entering the engine is compressed air, the air input of the engine is improved, and the running power of the engine is effectively improved.
Supercharger 5 when carrying out the pressure boost to the air and making the air become pressurized air, can make the temperature of air rise, the air temperature that supercharger 5 gave vent to anger the end is greater than the air temperature of supercharger 5 inlet end promptly, under supercharger 5's effect, the engine can be in the oxygen boosting state, the air is sufficient, consequently alright effect through air duct 13, give vent to anger a part of the air-flow diversion to supercharger 5 inlet end department after the rising of temperature of supercharger 5 outlet end, thereby promote the temperature of the fresh air of supercharger 5 inlet end department, the fresh air after the temperature promotes is after supercharger 5 pressure boost, its temperature further promotes, thereby effectively promote the temperature of supercharger 5 outlet end department air, make the air that gets into the engine be the air after the temperature promotes all the time, ensure the normal start of engine under the low temperature environment.
Under the low temperature working condition, for example, 30 ℃ below zero, the ambient temperature is too low, at the moment, the engine is difficult to start, at the moment, the supercharger 5 boosts the air to change the air into the supercharged air, the temperature of the supercharged air rises, under the action of the supercharger 5, the engine is in an oxygen-enriched state and the air is sufficient, so that part of the air at the air outlet end of the supercharger 5 after being heated is distributed to the air inlet end of the supercharger 5 under the action of the air guide pipe 13, the temperature of the fresh air at the air inlet end of the supercharger 5 is increased, the temperature of the fresh air after being heated is further increased after being supercharged by the supercharger 5, the temperature of the air at the air outlet end of the supercharger 5 is effectively increased, the air entering the engine is always the air after being heated, and the normal start of the engine under the low temperature environment is ensured.
The air that partly intensifies of the end of giving vent to anger 5 of booster 5 is shunted to 5 inlet ends of booster to promote 5 inlet ends of booster temperature of fresh air, the fresh air after the temperature promotes is after 5 supercharges of booster, and its temperature further promotes, thereby effectively promotes the temperature of 5 outlet ends of booster air end air.
In the embodiment of the invention, a pressure sensor 10 is further arranged in the gas guide pipe 13, the pressure sensor 10 is positioned between the gas outlet end of the supercharger 5 and the gas inlet shunting butterfly valve 9, and the pressure sensor 10 is electrically connected with the electronic controller 11. The pressure of the air flow in the air guide pipe 13 is monitored through the pressure sensor 10, and pressure data obtained through monitoring are transmitted to the electronic controller 11 in real time, so that the electronic controller 11 determines whether to operate the air inlet flow distribution butterfly valve 9 or control the opening degree of the air inlet flow distribution butterfly valve 9 according to the pressure in the air guide pipe 13, and therefore the gas pressure in the air guide pipe 13 is controlled.
In the embodiment of the invention, a throttle valve 12 is arranged behind the air outlet end of the supercharger 5, the throttle valve 12 is electrically connected with the electronic controller 11, and the control of the throttle valve 12 is realized through the electronic controller 11.
In the embodiment of the invention, an intercooler 4 is provided between the throttle valve 12 and the supercharger 5. An air filter 8 is arranged at the front end of the supercharger 5. An exhaust turbine 6 is coaxially connected to the supercharger 5. An aftertreatment device 7 is provided at the rear end of the exhaust turbine 6, and the aftertreatment device 7 is a device for treating exhaust gas or the like.
The engine system comprises an engine body 1, wherein the air inlet end of the engine body 1 is connected with a supercharger 5, and the air outlet end of the engine body 1 is connected with an exhaust turbine 6. The engine system further comprises an EGR valve 2 and an EGR intercooler 3. The EGR valve 2 and the EGR intercooler 3 are located on the same line.
According to the automobile provided by the embodiment of the invention, through the arrangement of the air guide component and the control component, the air guide component comprises the air guide pipe 13 arranged at the supercharger 5 in an engine system, one end of the air guide pipe 13 is connected to the air outlet end of the supercharger 5, the other end of the air guide pipe 13 is connected to the air inlet end of the supercharger 5, the control component comprises the electronic controller 11 and the air inlet shunting butterfly valve 9 arranged in the air guide pipe 13, the electronic controller 11 is electrically connected with the air inlet shunting butterfly valve 9 to control the opening or closing of the air inlet shunting butterfly valve 9, when the ambient temperature is too low, the air inlet shunting butterfly valve 9 is opened to shunt part of the high-temperature air after supercharging at the rear end of the supercharger 5 to the inlet of the supercharger 5 through the air guide pipe 13, so that the temperature of the fresh air at the inlet of the supercharger 5 is increased, the continuous high-temperature air is further warmed by the supercharger 5 and enters the engine, and the normal starting of the engine in a low-temperature environment is effectively ensured.
In the description of the present application, it should be noted that the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application. Unless expressly stated or limited otherwise, the terms "mounted," "connected," and "connected" are intended to be inclusive and mean, for example, that they may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
It is noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrases "comprising a," "8230," "8230," or "comprising" does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
The previous description is only an example of the present application, and is provided to enable any person skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (9)
1. An adaptive adjustable intake air preheating control system, comprising:
the air guide assembly comprises an air guide pipe (13) arranged at a supercharger (5) in an engine system, one end of the air guide pipe (13) is connected to the air outlet end of the supercharger (5), and the other end of the air guide pipe is connected to the air inlet end of the supercharger (5) so as to guide the air pressurized by the supercharger (5) to the air inlet end of the supercharger (5) from the air outlet end of the supercharger (5);
the control assembly comprises an electronic controller (11) and an air inlet flow dividing butterfly valve (9) arranged in the air guide pipe (13), and the electronic controller (11) is electrically connected with the air inlet flow dividing butterfly valve (9) to control the opening or closing of the air inlet flow dividing butterfly valve (9);
the electronic controller (11) collects the ambient temperature and the water temperature of the engine in real time, when an automobile key is started in an initial state, the air inlet distribution butterfly valve (9) is in a closed state, the electronic controller (11) receives starting information, the electronic controller (11) judges that the ambient temperature and the water temperature of the engine are both lower than preset temperatures, and the rotating speed of the engine is lower than the preset rotating speed, the electronic controller (11) controls the air inlet distribution butterfly valve (9) to be opened, part of heated air at the air outlet end of the supercharger (5) is distributed to the air inlet end of the supercharger (5), and the air temperature at the air inlet end of the supercharger (5) is increased;
the air guide pipe (13) is also internally provided with a pressure sensor (10), the pressure sensor (10) is positioned between the air outlet end of the supercharger (5) and the air inlet flow dividing butterfly valve (9), and the pressure sensor (10) is electrically connected with the electronic controller (11); the pressure sensor (10) is used for monitoring the air flow pressure in the air guide pipe (13) and transmitting the pressure data obtained by monitoring to the electronic controller (11) in real time;
the electronic controller (11) is also used for determining whether to operate the air inlet flow dividing butterfly valve (9) or controlling the opening degree of the air inlet flow dividing butterfly valve (9) according to the pressure in the air guide pipe (13) so as to control the air pressure in the air guide pipe (13).
2. The adaptive adjustable intake air preheat control system of claim 1, wherein: a throttle valve (12) is arranged behind the air outlet end of the supercharger (5), and the throttle valve (12) is electrically connected with the electronic controller (11).
3. The adaptive adjustable intake air preheat control system of claim 2, wherein: an intercooler (4) is arranged between the throttle valve (12) and the supercharger (5).
4. The adaptive adjustable intake air preheat control system of claim 1, wherein: an air filter (8) is arranged at the front end of the supercharger (5).
5. The adaptive adjustable intake air preheat control system of claim 1, wherein: and the supercharger (5) is coaxially connected with an exhaust turbine (6).
6. The adaptive adjustable intake air preheat control system of claim 5, wherein: and the rear end of the exhaust gas turbine (6) is provided with an after-treatment device (7).
7. The adaptive adjustable intake air preheat control system of claim 5, wherein: the engine system comprises an engine body (1), wherein the air inlet end of the engine body (1) is connected with a supercharger (5), and the air outlet end of the engine body (1) is connected with an exhaust turbine (6).
8. The adaptive adjustable intake air preheat control system of claim 6, wherein: the engine system further comprises an EGR valve (2) and an EGR intercooler (3).
9. The adaptive adjustable intake air preheat control system of claim 8, wherein: the EGR valve (2) and the EGR intercooler (3) are positioned on the same pipeline.
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| CN202111006495.5A CN113775407B (en) | 2021-08-30 | 2021-08-30 | Self-adaptation adjustable advances air preheating control system |
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| CN202111006495.5A CN113775407B (en) | 2021-08-30 | 2021-08-30 | Self-adaptation adjustable advances air preheating control system |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7614232B2 (en) * | 2004-07-23 | 2009-11-10 | General Electric Company | Turbocharger recirculation valve |
| JP2006207506A (en) * | 2005-01-28 | 2006-08-10 | Toyota Motor Corp | Supercharging control device |
| US8001778B2 (en) * | 2007-09-25 | 2011-08-23 | Ford Global Technologies, Llc | Turbocharged engine control operation with adjustable compressor bypass |
| JP2009264335A (en) * | 2008-04-28 | 2009-11-12 | Toyota Motor Corp | Multistage supercharging system for internal combustion engine |
| JP6137995B2 (en) * | 2013-02-08 | 2017-05-31 | 大阪瓦斯株式会社 | Turbocharged engine and method for loading the same |
| GB201617825D0 (en) * | 2016-10-21 | 2016-12-07 | Ford Global Tech Llc | A boosted engine system of a motor vehicle |
| CN110486146A (en) * | 2017-08-29 | 2019-11-22 | 熵零技术逻辑工程院集团股份有限公司 | A kind of standby rotating turbine booster that flows back |
| CN109356728B (en) * | 2018-11-08 | 2023-10-24 | 东风商用车有限公司 | Pneumatic supercharging device integrated with electronic throttle valve and control method thereof |
| DE102019132718A1 (en) * | 2019-12-02 | 2020-04-16 | FEV Group GmbH | Turbocharger arrangement |
| CN112682165B (en) * | 2021-01-05 | 2022-07-05 | 东风商用车有限公司 | Pneumatic pressurization system and method |
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