CN114718697A - Vehicle exhaust pipe valve control method, device, system and equipment - Google Patents
Vehicle exhaust pipe valve control method, device, system and equipment Download PDFInfo
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- CN114718697A CN114718697A CN202110008040.0A CN202110008040A CN114718697A CN 114718697 A CN114718697 A CN 114718697A CN 202110008040 A CN202110008040 A CN 202110008040A CN 114718697 A CN114718697 A CN 114718697A
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- 238000000034 method Methods 0.000 title claims abstract description 45
- 230000030279 gene silencing Effects 0.000 claims abstract description 13
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- 230000001276 controlling effect Effects 0.000 description 28
- 239000007789 gas Substances 0.000 description 24
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- 238000004364 calculation method Methods 0.000 description 1
- 230000001413 cellular effect Effects 0.000 description 1
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- 230000009467 reduction Effects 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- 239000007787 solid Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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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
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/16—Silencing apparatus characterised by method of silencing by using movable parts
- F01N1/161—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers
- F01N1/163—Silencing apparatus characterised by method of silencing by using movable parts for adjusting resonance or dead chambers or passages to resonance or dead chambers by means of valves
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N1/00—Silencing apparatus characterised by method of silencing
- F01N1/08—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling
- F01N1/082—Silencing apparatus characterised by method of silencing by reducing exhaust energy by throttling or whirling the gases passing through porous members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
- F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
- F01N13/007—Apparatus used as intake or exhaust silencer
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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
- Y02T10/40—Engine management systems
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Exhaust Silencers (AREA)
Abstract
The invention discloses a method for controlling a valve of a vehicle exhaust pipe, wherein the vehicle comprises a first exhaust pipe, a second exhaust pipe and a silencing structure, wherein the first exhaust pipe is provided with the valve, and the second exhaust pipe is connected with the silencing structure; the method comprises the following steps: acquiring current time; when the current time is within a preset first time period, acquiring the weather condition of the current position of the vehicle; determining a weather rating of the weather condition; when the weather condition is the first weather grade, controlling the opening degree of a valve of a first exhaust pipe in the vehicle to be a first preset opening degree; when the weather condition is a second weather grade, controlling the opening degree of the valve of the first exhaust pipe to be a second preset opening degree; and the second preset opening degree is smaller than the first preset opening degree. The invention also discloses a vehicle exhaust pipe valve control device, a system and equipment. According to the embodiment of the invention, the opening of the valve of the exhaust pipe of the vehicle can be adjusted according to the weather condition, so that the exhaust noise of the vehicle is controlled, and the driving experience is improved.
Description
Technical Field
The invention relates to the technical field of automobile control, in particular to a method, a device, a system and equipment for controlling a vehicle exhaust pipe valve.
Background
The exhaust system of the vehicle is an important component of the vehicle, and the exhaust system discharges tail gas and simultaneously brings combustion noise to the tail of the vehicle, so that order noise and friction noise with high sound pressure level are generated at the tail. Along with the improvement of living standard of people, the requirement of people on the whole vehicle is changed from an initial travel tool to a comfortable household necessity, so that the requirement on the dynamic property of a vehicle type is strict, and the requirement on the noise of the whole vehicle is also improved. Due to the influence of weather, under the condition of good weather conditions, people have relatively low requirements on environmental noise and are suitable for large exhaust noise to improve the driving experience of the automobile; under bad weather, the visual field is limited and the road surface condition is poor, so that the exhaust noise is properly reduced, the urge feeling can be reduced, and the judgment of a driver on the road condition is facilitated. However, most of the conventional exhaust system noise control methods are based on vehicle speed or vehicle running mode, and do not have a function of automatically controlling exhaust noise according to weather conditions.
Disclosure of Invention
The embodiment of the invention aims to provide a method, a device, a system, equipment and a storage medium for controlling a valve of a vehicle exhaust pipe, which can automatically adjust the opening of the valve of the vehicle exhaust pipe according to weather conditions so as to control the exhaust noise of a vehicle and improve the driving experience.
In order to achieve the above object, an embodiment of the present invention provides a method for controlling a valve of an exhaust pipe of a vehicle, where the vehicle includes a first exhaust pipe, a second exhaust pipe, and a silencing structure, where the first exhaust pipe is provided with a valve, and the second exhaust pipe is connected to the silencing structure; the vehicle exhaust pipe valve control method includes:
acquiring current time;
when the current time is within a preset first time period, acquiring the weather condition of the current position of the vehicle;
determining a weather rating for the weather condition; wherein the weather classes comprise a first weather class and a second weather class;
when the weather condition is the first weather grade, controlling the opening degree of a valve of a first exhaust pipe in the vehicle to be a first preset opening degree;
when the weather condition is the second weather grade, controlling the opening degree of the valve of the first exhaust pipe to be a second preset opening degree; and the second preset opening degree is smaller than the first preset opening degree.
As a modification of the above, the weather grade further includes a third weather grade; then, after determining the weather level of the weather condition, the method further includes:
when the weather condition is the third weather grade, controlling the opening degree of a valve of the first exhaust pipe to be a third preset opening degree; and the third preset opening degree is smaller than or equal to the second preset opening degree.
As an improvement of the above solution, the method for calculating the second preset opening degree comprises:
acquiring the rotating speed of an engine;
and multiplying the engine speed by a preset valve opening coefficient of the first exhaust pipe to serve as the second preset opening.
As an improvement of the above, the method further comprises:
the first preset opening degree is that the valve of the first exhaust pipe is in a fully-opened state, and the third preset opening degree is that the valve of the first exhaust pipe is in a fully-closed state.
As an improvement of the above scheme, after obtaining the current time, the method further includes:
when the current time is within a preset second time period, controlling the opening degree of a valve of the first exhaust pipe to be the second preset opening degree;
and when the current time is within a preset third time period, controlling the opening degree of a valve of the first exhaust pipe to be a third preset opening degree.
As an improvement of the above solution, when the obtaining of the weather condition of the current location of the vehicle fails, or the obtaining of the current time fails, the method further includes:
and controlling the opening degree of the valve of the first exhaust pipe to be the third preset opening degree.
As an improvement of the above scheme, the vehicle further comprises an airflow guide structure, the airflow guide structure comprises a first chamber and the sound attenuation structure, and the sound attenuation structure comprises a second chamber, a third chamber and an exhaust pipeline;
wherein the first exhaust pipe is in communication with the first chamber; the second exhaust pipe is communicated with the second chamber; the exhaust pipeline is communicated with the first chamber and the third chamber by penetrating through the second chamber; at least one through hole is arranged on the exhaust pipeline.
In order to achieve the above object, an embodiment of the present invention further provides a vehicle exhaust pipe valve control device, where a vehicle includes a first exhaust pipe, a second exhaust pipe, and a silencing structure, where the first exhaust pipe is provided with a valve, and the second exhaust pipe is connected to the silencing structure; the exhaust pipe valve control apparatus for a vehicle includes:
the time acquisition module is used for acquiring the current time;
the weather condition acquisition module is used for acquiring the weather condition of the current position of the vehicle when the current time is within the preset first time period;
the weather condition judging module is used for determining the weather grade of the weather condition; wherein the weather ratings comprise a first weather rating and a second weather rating;
the valve control module is used for controlling the opening of a valve of a first exhaust pipe in the vehicle to be a first preset opening when the weather condition is the first weather grade; the first exhaust pipe is used for controlling the opening of the valve of the first exhaust pipe to be a first preset opening when the weather condition is a first weather grade; wherein the second opening degree is smaller than the first preset opening degree; the calculation method of the second preset opening degree comprises the following steps: and obtaining the rotating speed of the engine, and multiplying the rotating speed of the engine by a preset valve opening coefficient of the first exhaust pipe to obtain a second preset opening.
To achieve the above object, an embodiment of the present invention further provides a vehicle exhaust pipe valve control system, including: a first exhaust pipe, a second exhaust pipe, a muffler structure, and a vehicle exhaust pipe valve control device as described in any of the above embodiments; the first exhaust pipe is provided with a valve, the second exhaust pipe is connected with the noise elimination structure, and the vehicle exhaust pipe valve control device is connected with the valve.
To achieve the above object, an embodiment of the present invention further provides a vehicle exhaust pipe valve control apparatus, including a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, wherein the processor, when executing the computer program, implements the vehicle exhaust pipe valve control method according to any of the above embodiments.
Compared with the prior art, the vehicle exhaust pipe valve control method, the device, the system and the equipment disclosed by the embodiment of the invention have the advantages that the vehicle comprises the first exhaust pipe, the second exhaust pipe and the noise elimination structure, the valve is arranged on the first exhaust pipe, the second exhaust pipe is connected with the noise elimination structure, and the noise of the tail gas passing through the second exhaust pipe can be reduced through the noise elimination structure. The current time is obtained, so that the time period of the current time is determined, when the current time is within a preset first time period, the weather condition of the current position of the vehicle is obtained, the weather grade of the weather condition is determined, when the weather condition is a first weather grade, the opening degree of a valve of a first exhaust pipe in the vehicle is controlled to be a first preset opening degree, and when the weather condition is a second weather grade, the opening degree of the valve of the first exhaust pipe is controlled to be a second preset opening degree. Because at the valve aperture in-process of control blast pipe, confirm the weather grade of current time through acquireing weather conditions, adjust the valve aperture of first blast pipe according to the weather grade to the control is via the volume of the second blast pipe vehicle exhaust who makes an uproar after falling the noise, realizes the control of vehicle exhaust noise, experiences the sense in order to promote driving.
Drawings
FIG. 1 is a flow chart of a method for controlling an exhaust pipe valve of a vehicle according to an embodiment of the present invention;
FIG. 2 is a schematic structural view of a vehicle exhaust pipe and an airflow guide structure provided in an embodiment of the invention;
FIG. 3 is a schematic diagram of a second barrier structure according to an embodiment of the present invention;
FIG. 4 is a schematic view of an exhaust pipe of a vehicle according to an embodiment of the present invention;
FIG. 5 is a flow chart of another method of controlling an exhaust pipe valve of a vehicle according to an embodiment of the present invention;
FIG. 6 is a schematic structural diagram of a vehicle exhaust pipe valve control device according to an embodiment of the invention;
FIG. 7 is a schematic structural diagram of a vehicle exhaust valve control system according to an embodiment of the present invention;
FIG. 8 is a schematic structural diagram of another vehicle exhaust valve control system according to an embodiment of the present invention;
fig. 9 is a schematic structural diagram of a vehicle exhaust pipe valve control apparatus according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, a flowchart of a method for controlling a vehicle exhaust pipe valve according to embodiment 1 of the present invention is shown, where the method for controlling a vehicle exhaust pipe valve includes:
s1, acquiring the current time;
s2, when the current time is within a preset first time period, acquiring the weather condition of the current position of the vehicle;
s3, determining the weather grade of the weather condition; wherein the weather classes comprise a first weather class and a second weather class;
s4, when the weather condition is the first weather grade, controlling the opening degree of a valve of a first exhaust pipe in the vehicle to be a first preset opening degree;
s5, when the weather condition is the second weather grade, controlling the opening degree of the valve of the first exhaust pipe to be a second preset opening degree; and the second preset opening degree is smaller than the first preset opening degree.
It should be noted that the vehicle exhaust pipe valve Control method according to the embodiment of the present invention may be implemented by an Electronic Control Unit (ECU) in a vehicle, where the ECU integrates multiple functions such as data processing and data communication, and has a strong service scheduling function and data processing capability.
Exemplarily, referring to fig. 2 and 3, fig. 2 is a schematic structural diagram of a vehicle exhaust pipe and an airflow guiding structure provided by the embodiment of the present invention, and fig. 3 is a schematic structural diagram of a second barrier plate provided by the embodiment of the present invention. The vehicle comprises a first exhaust pipe 1, a second exhaust pipe 2 and an airflow guide structure 3, wherein a valve 4 is arranged in the first exhaust pipe 2, the airflow guide structure 3 comprises a first cavity 31 and a silencing structure 32, and the silencing structure 32 comprises a second cavity 321, a third cavity 322 and an exhaust pipeline 323; wherein, first blast pipe 1 with second calandria 2 all with airflow guide structure 3 is connected, first blast pipe 1 with first cavity 31 intercommunication, first cavity 31 with second cavity 321 cuts off through first baffler 324, second cavity 321 with third cavity 322 separates through second baffler 325, be equipped with little hole 32a that passes on the second baffler 325. The second exhaust pipe 2 is communicated with the second chamber 321, the exhaust duct 323 is communicated with the first chamber 31 and the third chamber 322 by penetrating through the second chamber 321, and at least one through hole 32b is formed in the exhaust duct 323 in the second chamber 321. The vehicle further comprises an exhaust system 5, said exhaust system 5 being in communication with said first chamber 31 in said airflow directing structure 3.
It should be noted that the sound attenuation structure 32 may be a micro-perforated plate sound attenuator, the materials of the first baffle plate 324, the second baffle plate 325 and the exhaust duct 323 are all metal materials, such as steel or alloy plates, etc., the thicknesses of the first baffle plate 324, the second baffle plate 325 and the exhaust duct 323 are less than 1 mm, and the hole diameters of the micro-perforated holes 32a on the second baffle plate 325 and the through holes 32b on the exhaust duct 323 are between 0.5 and 1 mm; by adopting a structure with micro-through holes and multiple cavities, the vehicle tail gas enters the second cavity 321 through multiple flow control in the silencing structure 32, so that the acoustic frequency of the original vehicle tail gas flow is changed, and the noise reduction is realized. Furthermore, a porous sound-absorbing material is fixed on the inner wall of the second exhaust pipe 2, or porous sound-absorbing materials arranged in a certain mode are arranged in the second exhaust pipe, so that the resistive silencing effect is further achieved.
Referring to fig. 4, the gas flow guiding structure has two gas flow directions (respectively referred to the two arrows in the figure for schematic illustration), the first is that the tail gas passes through the exhaust system 5, the first chamber 31 and the first exhaust pipe 1 in sequence; the second is that the exhaust gas sequentially passes through the exhaust system 5, the first chamber 31 and the exhaust duct 323, a part of the exhaust gas enters the second chamber 321 through the through hole 32b on the exhaust duct 323 and flows from the second chamber 321 to the second exhaust pipe 2, and another part of the exhaust gas enters the third chamber 322 from the exhaust duct 323, then enters the second chamber 321 from the third chamber 322 through the micro-perforated small hole 32a on the second blocking plate 325, and flows from the second chamber 321 to the second exhaust pipe 2.
Illustratively, when the valve 4 is fully opened, most of the tail gas flows to the first gas flow direction, and only a small part of the tail gas flows to the second gas flow direction, so that the noise is maximum; when the valve 4 is fully closed, the airflow direction of all tail gases is the second airflow direction, and the noise is minimum at the moment; when the valve 4 is neither fully opened nor fully closed, both the flow directions of the exhaust gas are present at the same time, and the exhaust noise of the vehicle gradually decreases as the opening degree of the valve 4 gradually decreases.
Specifically, in step S1, after the entire vehicle is powered on, the current time is obtained in real time. Illustratively, the current time is obtained through a networking manner.
Specifically, in step S2, the time period of the current time is determined, and when the current time is within the preset first time period, the weather condition of the current position of the vehicle is obtained. Illustratively, the weather conditions are obtained in a networked manner.
Specifically, in step S3, a weather grade of the weather condition is determined; wherein the weather ratings include a first weather rating and a second weather rating.
Further, the weather rating also includes a third weather rating.
It should be noted that the weather grade is not limited to three grades, and the grade division can be performed according to actual requirements.
Illustratively, the weather grade is classified according to the severity of the weather, the first weather grade is clear, the second weather grade is cloudy, breezy or light rain, and the third weather grade is severe weather, such as strong wind, strong fog, snow, strong rain or hail. It should be noted that the weather conditions represented by the weather classes are not limited to the specific weather conditions, and the dividing boundaries of the weather classes are not unique, and may be determined according to actual situations, for example, a sunny weather class is determined as the first weather class, and other weather conditions are determined as the second weather class.
Specifically, in step S4, when the weather condition is the first weather level, the opening degree of a valve of a first exhaust pipe in the vehicle is controlled to a first preset opening degree.
Illustratively, when the weather condition is sunny, the valve of the first exhaust pipe in the vehicle is controlled to be fully opened. The exhaust gas of the vehicle is basically discharged from the first exhaust pipe, and the noise of the vehicle is maximum. In the daytime, when the weather is fine, the visual field is wide, and the noise-free driving device is suitable for large noise so as to improve the driving experience.
Specifically, in step S5, when the weather condition is the second weather level, controlling the opening degree of the valve of the first exhaust pipe to be a second preset opening degree; and the second preset opening degree is smaller than the first preset opening degree.
Illustratively, when the weather condition is cloudy, breeze or light rain, the opening degree of the valve of the first exhaust pipe is controlled to be a second preset opening degree, and the opening degree is positively correlated with the engine speed. Under the weather conditions of cloudy days, breeze days or light rain days, the wide visual field is not good, the opening degree of the valve of the first exhaust pipe is in a half-open state, the vehicle tail gas is simultaneously exhausted from the first exhaust pipe and the second exhaust pipe, the vehicle noise is smaller than that when the valve is fully opened, and the influence of the vehicle noise on the road condition judgment of a driver is reduced.
Further, the weather ratings also include a third weather rating; then, after determining the weather level of the weather condition, the method further includes step S6:
s6, when the weather condition is the third weather grade, controlling the opening degree of the valve of the first exhaust pipe to be a third preset opening degree; and the third preset opening degree is smaller than or equal to the second preset opening degree.
Illustratively, the valve controlling the first exhaust pipe is in a fully closed state when the weather is bad weather, such as strong wind, strong rain, snow, strong fog or hail. Under the severe weather condition, the visual field is limited, the visual field is influenced by the weather, the noise is more, the driver is provided with a sense of urgency, and the judgment of the driver on the road condition is not facilitated, so that the opening degree of the valve of the first exhaust pipe is controlled to be in a fully closed state, the tail gas of the vehicle is only exhausted from the second exhaust pipe, the noise of the vehicle is minimum at the moment, and the influence of the noise of the vehicle on the judgment of the road condition of the driver is reduced to the maximum extent.
Further, the first preset opening degree is that the valve of the first exhaust pipe is in a fully open state, and the third preset opening degree is that the valve of the first exhaust pipe is in a fully closed state; the second preset opening degree is that the opening degree of the valve of the first exhaust pipe is positively correlated with the engine speed, and the specific opening degree obtaining mode is as follows: and obtaining the rotating speed of the engine, and multiplying the rotating speed of the engine by the valve opening coefficient to obtain the second preset opening.
Optionally, the value range of the valve opening coefficient is 0.01 to 0.3.
Furthermore, in the embodiment of the invention, the valve opening degree of the exhaust pipe of the vehicle can be adjusted according to the weather grade, and the valve of the exhaust pipe of the vehicle can be controlled according to the current time point. Then, the step S201 and the step S202 are further included after the current time is acquired in the step S1:
s201, when the current time is within a preset second time period, controlling the opening degree of a valve of the first exhaust pipe to be a second preset opening degree;
and S202, when the current time is within a preset third time period, controlling the opening degree of a valve of the first exhaust pipe to be a third preset opening degree.
Illustratively, the first preset time period is from nine to seventeen click, and at this time, the weather condition of the current position of the vehicle needs to be acquired; the second preset time period is from six and a half to nine o ' clock, or from seventeen o ' clock to nineteen o ' clock, and at this time, the opening degree of the valve of the first exhaust pipe needs to be controlled to be equal to the valve opening degree coefficient multiplied by the engine rotating speed; the third preset time period is nineteen-point integer to six-point half of the second day, and at this time, the valve of the first exhaust pipe needs to be controlled to be in a fully closed state.
According to the embodiment of the invention, the time period of the current time is judged, and the opening degree of the valve of the first exhaust pipe of the vehicle in different time periods is different, so that the effect of different noise sizes is achieved. When the driver is in the daytime, according to the work and rest time, the time is a working time, and the sensitivity of people to the environmental noise is not high, so that the influence of weather conditions on the driving experience of the driver is only considered, and the valve of the first exhaust pipe is further controlled according to the weather conditions; when the vehicle is in the night time period, according to the work and rest time, the time period is the rest time period, and people require a quiet environment, so that the tail gas generated by the vehicle is completely discharged through the second exhaust pipe by controlling the valve to be in a completely closed state, and the noise is minimum; when the vehicle is in the evening or in the early morning, because the time interval is a connection time interval between night and day, the requirement on noise is different from the strict requirement at night, the opening of the control valve is in a half-open state and is positively correlated with the rotating speed of the engine, so that the tail gas generated by the vehicle is simultaneously exhausted by the first exhaust pipe and the second exhaust pipe.
Further, before the current time is acquired in step S1, or when the current time acquisition in step S1 fails, or when the weather condition acquisition in step S2 fails, the valve of the first exhaust pipe is controlled to be closed. When the current time or the weather condition fails to be acquired, the vehicle may be in a natural protection area at the time, and in order to avoid the excessive noise influence of the vehicle at the time, the noise of the vehicle needs to be reduced.
It should be noted that, the process of the above steps S1-S6 can also refer to fig. 5.
Compared with the prior art, the method for controlling the exhaust pipe valve of the vehicle disclosed by the embodiment of the invention has the advantages that the time period of the current time is determined by acquiring the current time, when the current time period is in the first time period, the opening of the valve of the first exhaust pipe is controlled to be the first preset opening according to the weather grade of the weather condition by acquiring the weather condition, and when the weather grade is the second weather grade, the opening of the valve of the first exhaust pipe is controlled to be the second preset opening. Under different weather conditions, the wide degree in the field of vision is different, and the noise level of environment noise is also different, and different fields of vision and noise can cause the influence of different degrees to the judgement of road conditions to the driver, consequently, control the valve of first exhaust pipe through the adverse degree according to weather conditions to the air current flow direction of control vehicle tail gas realizes noise control, experiences the sense in order to promote driving.
Referring to fig. 6, which is a schematic structural diagram of a valve control device of a vehicle exhaust pipe according to an embodiment of the present invention, a vehicle includes a first exhaust pipe, a second exhaust pipe, and a sound attenuation structure, where the first exhaust pipe is provided with a valve, and the second exhaust pipe is connected to the sound attenuation structure; the exhaust pipe valve control device 10 for a vehicle includes:
a time obtaining module 11, configured to obtain a current time;
the weather condition obtaining module 12 is configured to obtain a weather condition of a current location of the vehicle when the current time is within a preset first time period;
a weather condition judging module 13, configured to determine a weather level of the weather condition; wherein the weather classes comprise a first weather class and a second weather class;
the valve control module 14 is configured to control an opening degree of a valve of a first exhaust pipe in the vehicle to be a first preset opening degree when the weather condition is the first weather grade; the first exhaust pipe is used for controlling the opening of the valve of the first exhaust pipe to be a first preset opening when the weather condition is a first weather grade; and the second preset opening degree is smaller than the first preset opening degree.
Optionally, the valve control module 14 is further configured to control the valve of the first exhaust pipe to close before the current time is obtained, or when the current time is failed to be obtained, or when the weather condition is failed or failed.
Further, the valve control module 14 is further configured to control the opening degree of the valve of the first exhaust pipe to be the second preset opening degree when the current time is within a preset second time period; the valve control module 14 is further configured to control the opening degree of the valve of the first exhaust pipe to be a third preset opening degree when the current time is within a preset third time period.
The third preset opening degree is smaller than or equal to the second preset opening degree, and the second preset opening degree is smaller than the first preset opening degree; more specifically, the first preset opening degree is that the valve of the first exhaust pipe is in a fully open state, and the third preset opening degree is that the valve of the first exhaust pipe is in a fully closed state; the second preset opening degree is that the opening degree of the valve of the first exhaust pipe is positively correlated with the engine speed, and the specific opening degree obtaining mode is that the engine speed is obtained, and the engine speed is multiplied by the valve opening degree coefficient to obtain the second preset opening degree.
Optionally, the value range of the valve opening coefficient is 0.01 to 0.3.
Further, the weather grade further comprises a third weather grade; after the weather grade of the weather condition is determined, the valve control module 14 is further configured to control the opening degree of the valve of the first exhaust pipe to be a third preset opening degree when the weather condition is the third weather grade; and the third preset opening degree is smaller than or equal to the second preset opening degree.
Optionally, the vehicle further comprises an airflow directing structure comprising a first chamber and the sound attenuating structure comprising a second chamber, a third chamber, and an exhaust conduit;
wherein the first exhaust pipe is in communication with the first chamber; the second exhaust pipe is communicated with the second chamber; the exhaust pipeline is communicated with the first chamber and the third chamber by penetrating through the second chamber; at least one through hole is arranged on the exhaust pipeline.
It should be noted that, for a specific operation process of the vehicle exhaust pipe valve control device 10, reference may be made to an operation process of the vehicle exhaust pipe valve control method in the foregoing embodiment, and details are not repeated herein.
Compared with the prior art, the vehicle exhaust pipe valve control device 10 disclosed in the embodiment of the invention determines the time period of the current time by acquiring the current time, and when the current time period is in the first time period, the opening degree of the valve of the first exhaust pipe is controlled to be the first preset opening degree by acquiring the weather condition of the current position of the vehicle according to the weather grade of the weather condition when the weather grade is the first weather grade, and the opening degree of the valve of the first exhaust pipe is controlled to be the second preset opening degree when the weather grade is the second weather grade. Under different weather conditions, the wide degree in the field of vision is different, and the noise level of environment noise is also different, and different fields of vision and noise can cause the influence of different degrees to the judgement of driver to the road conditions, consequently, control the valve of blast pipe through the adverse degree according to weather conditions to the air current flow direction of control vehicle tail gas realizes noise control, experiences the sense in order to promote to drive.
Referring to fig. 7, fig. 7 is a schematic structural diagram of a vehicle exhaust valve control system 20 according to an embodiment of the present invention. The vehicle exhaust pipe valve control system 20 includes a first exhaust pipe 201, a second exhaust pipe 202, an airflow guide structure 203, and the vehicle exhaust pipe valve control device 10 as shown in the above embodiment, wherein the first exhaust pipe is provided with a valve 204.
Further, the system also comprises an engine 205 and an exhaust system 206.
It should be noted that, the number of the first exhaust pipe 201 and the second exhaust pipe 202 is not limited to one, and may be added according to actual situations, and the muffler structure and the exhaust pipe structure shown in fig. 8 are symmetrical, and the control principle is the same.
The vehicle exhaust pipe valve control system, specifically, the working process of the vehicle exhaust pipe valve control system 20, can refer to the working process of the vehicle exhaust pipe valve control method in the above embodiment, and will not be described herein again.
Compared with the prior art, the vehicle exhaust pipe valve control system 20 disclosed in the embodiment of the invention determines the time period of the current time by acquiring the current time, and when the current time period is in the first time period, the opening degree of the valve of the first exhaust pipe is controlled to be the first preset opening degree by acquiring the weather condition of the current position of the vehicle according to the weather grade of the weather condition when the weather grade is the first weather grade, and the opening degree of the valve of the first exhaust pipe is controlled to be the second preset opening degree when the weather grade is the second weather grade. Under different weather conditions, the wide degree in the field of vision is different, and the noise level of environment noise is also different, and different fields of vision and noise can cause the influence of different degrees to the judgement of driver to the road conditions, consequently, control the valve of blast pipe through the adverse degree according to weather conditions to the air current flow direction of control vehicle tail gas realizes noise control, experiences the sense in order to promote to drive.
Referring to fig. 9, fig. 9 is a schematic structural diagram of a vehicle exhaust pipe valve control apparatus 30 according to an embodiment of the present invention. The vehicle exhaust valve control apparatus 30 includes a processor 301, a memory 302, and a computer program, such as a travel control program, stored in the memory and configured to be executed by the processor. The processor 301, when executing the computer program, implements the steps of the above-described method for controlling the exhaust pipe valve of the vehicle, for example, steps S1 to S5 shown in fig. 1. Alternatively, the processor 301 implements the functions of the modules in the above device embodiments when executing the computer program, for example, the time obtaining module 11.
Illustratively, the computer program may be partitioned into one or more modules that are stored in the memory 302 and executed by the processor 301 to implement the present invention. The one or more modules may be a series of computer program instruction segments capable of performing specific functions for describing the execution of the computer program in the vehicle exhaust valve control apparatus 30. For example, the computer program may be divided into a time acquisition module 11, a weather condition acquisition module 12, a weather condition judgment module 13 and a valve control module 14, and the specific functions of each module are as follows:
a time obtaining module 11, configured to obtain a current time;
the weather condition obtaining module 12 is configured to obtain a weather condition of a current location of the vehicle when the current time is within a preset first time period;
a weather condition judging module 13, configured to determine a weather grade of the weather condition; wherein the weather classes comprise a first weather class and a second weather class;
the valve control module 14 is configured to control an opening degree of a valve of a first exhaust pipe in the vehicle to be a first preset opening degree when the weather condition is the first weather grade; the first exhaust pipe is used for controlling the opening of the valve of the first exhaust pipe to be a first preset opening when the weather condition is a first weather grade; and the second preset opening degree is smaller than the first preset opening degree.
The specific operation of each module can refer to the operation of the vehicle engine control device 10 according to the above embodiment, and will not be described herein again.
The vehicle exhaust pipe valve control device 30 may be a desktop computer, a notebook computer, a palm computer, a cloud server, or other computing devices. The vehicle exhaust valve control apparatus 30 may include, but is not limited to, a processor 301, a memory 302. It will be appreciated by those skilled in the art that the schematic diagram is merely an example of an image intensifier device and does not constitute a limitation of the vehicle vent valve control device 30 and may include more or fewer components than shown, or some components in combination, or different components, for example the vehicle vent valve control device 30 may also include input and output devices, network access devices, buses, etc.
The Processor 301 may be a Central Processing Unit (CPU), other general purpose Processor, a Digital Signal Processor (DSP), an Application Specific Integrated Circuit (ASIC), an off-the-shelf Programmable Gate Array (FPGA) or other Programmable logic device, discrete Gate or transistor logic device, discrete hardware component, or the like. The general processor may be a microprocessor or the processor may be any conventional processor, etc., and the processor 301 is a control center of the exhaust pipe valve control apparatus 30 of the vehicle, and various interfaces and lines are used to connect various parts of the entire exhaust pipe valve control apparatus 30 of the vehicle.
The memory 302 may be used to store the computer programs and/or modules, and the processor 301 implements various functions of the exhaust pipe valve control apparatus 30 of the vehicle by operating or executing the computer programs and/or modules stored in the memory 302 and calling data stored in the memory 302. The memory 302 may mainly include a program storage area and a data storage area, wherein the program storage area may store an operating system, an application program required by at least one function (such as a sound playing function, an image playing function, etc.), and the like; the storage data area may store data (such as audio data, a phonebook, etc.) created according to the use of the cellular phone, and the like. Further, the memory 302 may include high speed random access memory, and may also include non-volatile memory, such as a hard disk, a memory, a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), at least one magnetic disk storage device, a Flash memory device, or other volatile solid state storage device.
The module integrated with the vehicle exhaust valve control apparatus 30 may be stored in a computer-readable storage medium if it is implemented in the form of a software functional unit and sold or used as a separate product. Based on such understanding, all or part of the flow of the method according to the embodiments of the present invention may also be implemented by a computer program, which may be stored in a computer-readable storage medium, and when the computer program is executed by a processor, the steps of the method embodiments may be implemented. Wherein the computer program comprises computer program code, which may be in the form of source code, object code, an executable file or some intermediate form, etc. The computer-readable medium may include: any entity or device capable of carrying the computer program code, recording medium, usb disk, removable hard disk, magnetic disk, optical disk, computer Memory, Read-Only Memory (ROM), Random Access Memory (RAM), electrical carrier wave signals, telecommunications signals, software distribution medium, and the like.
While the foregoing is directed to the preferred embodiment of the present invention, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.
Claims (10)
1. A vehicle exhaust pipe valve control method is characterized in that a vehicle comprises a first exhaust pipe, a second exhaust pipe and a silencing structure, wherein a valve is arranged on the first exhaust pipe, and the second exhaust pipe is connected with the silencing structure; the vehicle exhaust pipe valve control method includes:
acquiring current time;
when the current time is within a preset first time period, acquiring the weather condition of the current position of the vehicle;
determining a weather rating for the weather condition; wherein the weather ratings comprise a first weather rating and a second weather rating;
when the weather condition is the first weather grade, controlling the opening degree of a valve of a first exhaust pipe in the vehicle to be a first preset opening degree;
when the weather condition is the second weather grade, controlling the opening degree of the valve of the first exhaust pipe to be a second preset opening degree; and the second preset opening degree is smaller than the first preset opening degree.
2. The vehicle exhaust pipe valve control method as claimed in claim 1, wherein the weather grade further includes a third weather grade; then, after determining the weather rating of the weather condition, the method further comprises:
when the weather condition is the third weather grade, controlling the opening degree of a valve of the first exhaust pipe to be a third preset opening degree; and the third preset opening degree is smaller than or equal to the second preset opening degree.
3. The exhaust pipe valve control method for a vehicle according to claim 1, wherein the second preset opening degree is calculated by:
acquiring the rotating speed of an engine;
and multiplying the engine speed by a preset valve opening coefficient of the first exhaust pipe to serve as the second preset opening.
4. The exhaust pipe valve control method of a vehicle according to claim 2, wherein the first predetermined opening degree is a fully open state of the valve of the first exhaust pipe, and the third predetermined opening degree is a fully closed state of the valve of the first exhaust pipe.
5. The vehicle exhaust pipe valve control method according to claim 3, wherein after acquiring the current time, further comprising:
when the current time is within a preset second time period, controlling the opening degree of a valve of the first exhaust pipe to be a second preset opening degree;
and when the current time is within a preset third time period, controlling the opening degree of a valve of the first exhaust pipe to be a third preset opening degree.
6. The exhaust pipe valve control method for a vehicle according to claim 2, wherein when the acquisition of the weather condition of the current location of the vehicle fails, or when the acquisition of the current time fails, the method further comprises:
and controlling the opening degree of the valve of the first exhaust pipe to be the third preset opening degree.
7. The vehicle exhaust pipe valve control method according to claim 1, wherein the vehicle further includes an air flow guide structure that includes a first chamber and the sound attenuating structure, the sound attenuating structure including a second chamber, a third chamber, and an exhaust duct;
wherein the first exhaust pipe is in communication with the first chamber; the second exhaust pipe is communicated with the second chamber; the exhaust pipeline is communicated with the first chamber and the third chamber by penetrating through the second chamber; at least one through hole is arranged on the exhaust pipeline.
8. The vehicle exhaust pipe valve control device is characterized in that a vehicle comprises a first exhaust pipe, a second exhaust pipe and a silencing structure, wherein a valve is arranged on the first exhaust pipe, and the second exhaust pipe is connected with the silencing structure; the exhaust pipe valve control apparatus for a vehicle includes:
the time acquisition module is used for acquiring the current time;
the weather condition acquisition module is used for acquiring the weather condition of the current position of the vehicle when the current time is within the preset first time period;
the weather condition judging module is used for determining the weather grade of the weather condition; wherein the weather ratings comprise a first weather rating and a second weather rating;
the valve control module is used for controlling the opening of a valve of a first exhaust pipe in the vehicle to be a first preset opening when the weather condition is the first weather grade; the first exhaust pipe is used for controlling the opening of a valve of the first exhaust pipe to be a first preset opening when the weather condition is a first weather grade; wherein the second opening degree is smaller than the first preset opening degree.
9. A vehicle exhaust pipe valve control system, comprising: a first exhaust pipe, a second exhaust pipe, a muffler structure, and the vehicular exhaust pipe valve control apparatus according to claim 8 above; the first exhaust pipe is provided with a valve, the second exhaust pipe is connected with the noise elimination structure, and the vehicle exhaust pipe valve control device is connected with the valve.
10. A vehicular exhaust pipe valve control apparatus, characterized by comprising a processor, a memory, and a computer program stored in the memory and configured to be executed by the processor, the processor implementing the vehicular exhaust pipe valve control method according to any one of claims 1 to 7 when executing the computer program.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110008040.0A CN114718697A (en) | 2021-01-05 | 2021-01-05 | Vehicle exhaust pipe valve control method, device, system and equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110008040.0A CN114718697A (en) | 2021-01-05 | 2021-01-05 | Vehicle exhaust pipe valve control method, device, system and equipment |
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| CN114718697A true CN114718697A (en) | 2022-07-08 |
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