CN112648057B - Carbon load detection method of particulate matter catcher, related equipment and storage medium - Google Patents
Carbon load detection method of particulate matter catcher, related equipment and storage medium Download PDFInfo
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- CN112648057B CN112648057B CN202011534960.8A CN202011534960A CN112648057B CN 112648057 B CN112648057 B CN 112648057B CN 202011534960 A CN202011534960 A CN 202011534960A CN 112648057 B CN112648057 B CN 112648057B
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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
- F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
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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
- F01N9/00—Electrical control of exhaust gas treating apparatus
- F01N9/007—Storing data relevant to operation of exhaust systems for later retrieval and analysis, e.g. to research exhaust system malfunctions
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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
Abstract
The application provides a carbon load detection method of a particulate matter catcher, related equipment and a storage medium, wherein the carbon load detection method comprises the following steps: acquiring current driving information of a vehicle and current carbon capacity information of a particulate matter catcher; determining the current operation condition of the engine according to the current rotating speed and the current torque; respectively determining correction coefficients corresponding to the first carbon capacity information, the second carbon capacity information and the third carbon capacity information according to the current operation condition of the engine; calculating to obtain the final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information and the correction coefficient of the third carbon capacity information; finally, if it is determined that the final carbon loading is greater than the threshold value, regeneration processing for the particulate matter trap is performed. Therefore, the carbon loading on the particle catcher is accurately calculated, and the purpose of timely carrying out regeneration treatment on the particle catcher is achieved.
Description
Technical Field
The present disclosure relates to computer technologies, and in particular, to a method for detecting carbon loading of a particulate trap, a related device, and a storage medium.
Background
In order to meet the national six-emission regulation requirements, a particulate matter catcher is usually added before the automobile exhaust is discharged, and is used for filtering most of particulate matters such as soot in the exhaust, and the amount of carbon deposition on the particulate matter catcher is gradually increased in the driving process of an automobile.
At present, the carbon deposition rate difference of the particulate matter catcher under different working conditions is not considered in the calculation of the carbon deposition amount on the particulate matter catcher, so that the accuracy of the calculated carbon deposition amount on the particulate matter catcher is poor, the judgment of the regeneration treatment of the particulate matter catcher is influenced, and the situation that the particulate matter catcher is burnt is easy to occur.
Disclosure of Invention
In view of the above, the present application provides a carbon loading detection method for a particulate trap, a related device and a storage medium, which are used for accurately calculating the carbon loading on the particulate trap so as to timely perform the regeneration process of the particulate trap.
The application provides in a first aspect a method of carbon load detection for a particulate trap, comprising:
acquiring current driving information of a vehicle and current carbon capacity information of a particulate matter catcher; wherein the travel information includes: a current rotational speed and a current torque of an engine of the vehicle; the current carbon loading information includes: first carbon capacity information, second carbon capacity information, and third carbon capacity information; the first carbon capacity information is obtained through calculation of a carbon capacity calculation model; the second carbon capacity information is obtained by inquiring in a preset corresponding relation between the differential pressure and the second carbon capacity information according to the current differential pressure; the third carbon capacity information is determined according to the current mileage, the current oil consumption and the current running time of the vehicle;
determining the current operation condition of the engine according to the current rotating speed and the current torque;
determining correction coefficients corresponding to the first carbon load information, the second carbon load information and the third carbon load information respectively according to the current operation condition of the engine;
calculating to obtain a final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information and the correction coefficient of the third carbon capacity information;
determining whether the final carbon loading is greater than a threshold;
and if the final carbon loading is judged to be larger than the threshold value, performing regeneration treatment on the particulate matter catcher.
Optionally, the determining the current operation condition of the engine according to the current rotation speed and the current torque includes:
if the current rotating speed is less than a first preset rotating speed, determining that the current operating condition of the engine is a first operating condition;
if the current rotating speed is greater than the first preset rotating speed and the current torque is less than the preset torque, determining that the current operating condition of the engine is a second operating condition;
if the current rotating speed is greater than the first preset rotating speed, less than a second preset rotating speed and the current torque is greater than the preset torque, determining that the current operating condition of the engine is a third operating condition;
and if the current rotating speed is greater than the second preset rotating speed and the current torque is greater than the preset torque, determining that the current operating condition of the engine is a fourth operating condition.
Optionally, the determining, according to the current operating condition of the engine, correction coefficients corresponding to the first carbon load information, the second carbon load information, and the third carbon load information respectively includes:
inquiring to obtain a correction coefficient of the first carbon load information corresponding to the current operation condition in a corresponding relation of a preset operation condition and the correction coefficient of the first carbon load information;
inquiring to obtain a correction coefficient of the second carbon capacity information corresponding to the current operation condition in a corresponding relation of a preset operation condition and the correction coefficient of the second carbon capacity information;
and inquiring to obtain the correction coefficient of the third carbon capacity information corresponding to the current operation condition in the corresponding relation of the preset operation condition and the correction coefficient of the third carbon capacity information.
Optionally, the calculating the final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information, and the correction coefficient of the third carbon capacity information includes:
taking the product of the first carbon capacity information and the correction coefficient of the first carbon capacity information as a first corrected carbon capacity;
taking the product of the second carbon capacity information and the correction coefficient of the second carbon capacity information as a second corrected carbon capacity;
taking the product of the third carbon capacity information and the correction coefficient of the third carbon capacity information as a third corrected carbon capacity;
taking the sum of the first modified carbon load, the second modified carbon load, and the third modified carbon load as the final carbon load.
The present application provides in a second aspect a carbon load detection device for a particulate trap, comprising:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring current running information of a vehicle and current carbon capacity information of a particulate matter catcher; wherein the travel information includes: a current rotational speed and a current torque of an engine of the vehicle; the current carbon loading information includes: first carbon capacity information, second carbon capacity information, and third carbon capacity information; the first carbon capacity information is obtained through calculation of a carbon capacity calculation model; the second carbon capacity information is obtained by inquiring in a preset corresponding relation between the differential pressure and the second carbon capacity information according to the current differential pressure; the third carbon capacity information is determined according to the current mileage, the current oil consumption and the current running time of the vehicle;
the first determining unit is used for determining the current operation condition of the engine according to the current rotating speed and the current torque;
the second determining unit is used for respectively determining correction coefficients corresponding to the first carbon load information, the second carbon load information and the third carbon load information according to the current operating condition of the engine;
a calculating unit, configured to calculate a final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, a correction coefficient of the first carbon capacity information, a correction coefficient of the second carbon capacity information, and a correction coefficient of the third carbon capacity information;
a judging unit for judging whether the final carbon loading is greater than a threshold value;
and the regeneration unit is used for performing regeneration treatment on the particulate matter catcher if the judgment unit judges that the final carbon loading is greater than a threshold value.
Optionally, the first determining unit includes:
the first determining subunit is used for determining that the current operation working condition of the engine is a first operation working condition if the current rotating speed is less than a first preset rotating speed;
the first determining subunit is further configured to determine that the current operation condition of the engine is a second operation condition if the current rotation speed is greater than the first preset rotation speed and the current torque is less than a preset torque;
the first determining subunit is further configured to determine that the current operating condition of the engine is a third operating condition if the current rotational speed is greater than the first preset rotational speed, is less than a second preset rotational speed, and the current torque is greater than the preset torque;
the first determining subunit is further configured to determine that the current operating condition of the engine is a fourth operating condition if the current rotation speed is greater than the second preset rotation speed and the current torque is greater than the preset torque.
Optionally, the second determining unit includes:
the query unit is used for querying a correction coefficient of the first carbon load information corresponding to the current operation condition in a corresponding relation of a preset operation condition and the correction coefficient of the first carbon load information;
the query unit is further configured to query a corresponding relationship between a preset operation condition and a correction coefficient of second carbon capacity information to obtain the correction coefficient of the second carbon capacity information corresponding to the current operation condition;
the query unit is further configured to query a corresponding relationship between a preset operation condition and a correction coefficient of third carbon capacity information to obtain the correction coefficient of the third carbon capacity information corresponding to the current operation condition.
Optionally, the computing unit includes:
a first calculating subunit, configured to take a product of the first carbon amount information and a correction coefficient of the first carbon amount information as a first corrected carbon amount;
the first calculating subunit is further configured to take a product of the second carbon capacity information and a correction coefficient of the second carbon capacity information as a second corrected carbon capacity;
the first calculating subunit is further configured to take a product of the third carbon capacity information and a correction coefficient of the third carbon capacity information as a third corrected carbon capacity;
a second calculation subunit configured to use a sum of the first corrected carbon amount, the second corrected carbon amount, and the third corrected carbon amount as a final carbon amount.
A third aspect of the present application provides an electronic device comprising:
one or more processors;
a storage device having one or more programs stored thereon;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of any of the first aspects.
A fourth aspect of the present application provides a storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method according to any one of the first aspect.
In view of the above, in the carbon load detection method of the particulate trap, the related device and the storage medium provided by the present application, the carbon load detection method includes: firstly, acquiring current running information of a vehicle and current carbon capacity information of a particulate matter catcher; wherein the travel information includes: a current rotational speed and a current torque of an engine of the vehicle; the current carbon loading information includes: first carbon capacity information, second carbon capacity information, and third carbon capacity information; the first carbon capacity information is obtained through calculation of a carbon capacity calculation model; the second carbon capacity information is obtained by inquiring in a preset corresponding relation between the differential pressure and the second carbon capacity information according to the current differential pressure; the third carbon capacity information is determined according to the current mileage, the current oil consumption and the current running time of the vehicle; then, determining the current operation condition of the engine according to the current rotating speed and the current torque; determining correction coefficients corresponding to the first carbon load information, the second carbon load information and the third carbon load information respectively according to the current operation condition of the engine; then, calculating to obtain the final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information and the correction coefficient of the third carbon capacity information; finally, if it is determined that the final carbon loading is greater than a threshold value, regeneration processing for the particulate matter trap is performed. Therefore, the carbon loading on the particle catcher is accurately calculated, and the purpose of timely carrying out regeneration treatment on the particle catcher is achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.
FIG. 1 is a flow chart illustrating a method for detecting carbon loading in a particulate trap according to an exemplary embodiment of the present disclosure;
FIG. 2 is a schematic diagram illustrating a distribution of engine operating conditions at different speeds and torques in accordance with an exemplary embodiment;
FIG. 3 is a flow chart of a method of calculating a final carbon loading as provided in another embodiment of the application;
FIG. 4 is a schematic illustration of a carbon load detection device of a particulate trap according to another embodiment of the present application;
FIG. 5 is a schematic diagram of a computing unit according to another embodiment of the present application;
FIG. 6 is a schematic diagram of an electronic device implementing a method for carbon loading detection of a particulate trap according to another embodiment of the present disclosure.
Detailed Description
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 only a part of the embodiments of the present application, 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 application.
It should be noted that the terms "first", "second", and the like, referred to in this application, are only used for distinguishing different devices, modules or units, and are not used for limiting the order or interdependence of functions performed by these devices, modules or units, but the terms "include", or any other variation thereof are intended to cover a non-exclusive inclusion, so that a process, method, article, or apparatus that includes a series of elements includes not only those elements but also other elements that are not explicitly listed, or includes elements inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
The embodiment of the application provides an ash detection method for a particulate matter catcher, as shown in fig. 1, specifically including:
s101, obtaining current running information of the vehicle and current carbon capacity information of the particulate matter catcher.
Wherein the travel information includes: a current rotational speed and a current torque of an engine of the vehicle; the current carbon loading information includes: first carbon capacity information, second carbon capacity information, and third carbon capacity information.
The first carbon capacity information is obtained through calculation of a carbon capacity calculation model; the second carbon capacity information is obtained by inquiring in a preset corresponding relation between the differential pressure and the second carbon capacity information according to the current differential pressure; the third carbon capacity information is determined according to the current mileage, the current oil consumption and the current running time of the vehicle.
It should be noted that the driving information is provided by an Electronic Control Unit (ECU), and the current pressure difference of the particle trap is detected by a pressure difference sensor at both ends of the particle trap.
Specifically, first carbon load information is obtained through real-time calculation by a preset carbon load calculation model; inquiring the corresponding relation between the preset pressure difference and the second carbon capacity information to obtain the second carbon capacity information corresponding to the current pressure difference of the particle catcher; the determination method of the third carbon capacity information may be, but is not limited to, obtaining third carbon capacity information corresponding to the current mileage of the vehicle by querying in preset vehicle mileage-third carbon capacity information, obtaining third carbon capacity information corresponding to the current oil consumption of the vehicle by querying in preset vehicle oil consumption-third carbon capacity information, obtaining third carbon capacity information corresponding to the current driving time of the vehicle by querying in preset vehicle driving time-third carbon capacity information, and selecting one maximum value among the three information as final third carbon capacity information.
And S102, determining the current operation condition of the engine according to the current rotating speed and the current torque.
Specifically, because the carbon deposition rates of the engine are different under different operating conditions of the engine, the operating conditions of the engine under the conditions of different rotating speeds and different torques are distinguished in advance.
Optionally, in another embodiment of the present application, an implementation manner of the step S102 specifically includes the following steps:
and if the current rotating speed is less than the first preset rotating speed, determining the current operating condition of the engine as a first operating condition.
And if the current rotating speed is greater than the first preset rotating speed and the current torque is less than the preset torque, determining the current operating condition of the engine as a second operating condition.
And if the current rotating speed is greater than the first preset rotating speed, less than the second preset rotating speed and the current torque is greater than the preset torque, determining the current operating condition of the engine as a third operating condition.
And if the current rotating speed is greater than the second preset rotating speed and the current torque is greater than the preset torque, determining the current operating condition of the engine as a fourth operating condition.
It should be noted that the first preset rotation speed, the second preset rotation speed, and the preset torque may be adjusted according to a test result of a subsequent experimenter and an actual application situation, which is not limited herein. It will be appreciated that the second predetermined rotational speed is greater than the first predetermined rotational speed.
It should be noted that, in the practical application process of this application, can also be with predetermineeing the moment of torsion change and predetermineeing the fuel injection quantity.
Referring to fig. 2, taking the first preset rotation speed as 1000r/min, the second preset rotation speed as 1400r/min, the preset torque as 1000N · m or the preset fuel injection amount as 50 mg/hupp as an example, the operation condition region with the rotation speed lower than 1000r/min is defined as a first operation condition region; defining an operation working condition area with the rotating speed higher than 1000r/min and the torque lower than 1000 N.m or the fuel injection quantity of 50mg/hubp as a second operation working condition area; defining an operation working condition area with the rotating speed of 1000r/min to 1400r/min and the torque of more than 1000 N.m or the fuel injection quantity of 50mg/hubp as a third operation working condition area; and defining an operation working condition region with the rotating speed of more than 1400r/min, the torque of more than 1000 N.m or the fuel injection quantity of 50mg/hubp as a fourth operation working condition region. For example: the current rotating speed of the engine is 1200r/min, the torque is 800 N.m or the fuel injection quantity is 40 mg/hupp, and then the current operation working condition of the engine is a second operation working condition; the current rotating speed of the engine is 1600r/min, the torque is 800 N.m or the fuel injection quantity is 40 mg/hupp, and then the current operation working condition of the engine is a second operation working condition; the current rotating speed of the engine is 1700r/min, the torque is 1200 N.m or the fuel injection quantity is 60mg/hubp, and the current operation working condition of the engine is a fourth operation working condition and the like, which are not described herein again.
S103, respectively determining correction coefficients corresponding to the first carbon capacity information, the second carbon capacity information and the third carbon capacity information according to the current operation working condition of the engine.
It should be noted that the first carbon capacity information is obtained by calculating a carbon capacity calculation model, the second carbon capacity information is obtained by determining the current differential pressure of the particle trap, and the second carbon capacity information is obtained by comprehensively determining the current mileage, the current oil consumption and the current operation time of the automobile. However, since different operation conditions may affect the calculated first carbon amount, second carbon amount, and third carbon amount, it is necessary to determine a correction coefficient corresponding to the first carbon amount information, a correction coefficient corresponding to the second carbon amount information, and a correction coefficient corresponding to the third carbon amount information.
Referring to fig. 2, when the operation condition is in the first operation condition region, the operation condition is a low rotation speed operation region, the carbon deposition rate of the engine is high, and the operation condition is stable, so that the third carbon capacity information obtained by calculation is accurate and high, and the correction coefficient of the third carbon capacity information is larger than the correction coefficient of the first carbon capacity information and the correction coefficient of the second carbon capacity information; when the operation condition is in a second operation condition area, the operation condition belongs to a middle-high rotating speed low-load operation area, the change of the operation condition is severe, and the carbon deposition rate of the engine is higher, so that the accuracy of the first carbon capacity information obtained by calculation is higher, and compared with the correction coefficient of the second carbon capacity information and the correction coefficient of the third carbon capacity information, the correction coefficient of the first carbon capacity information is larger; when the operation condition is in a third operation condition area, the operation condition belongs to a medium-rotating-speed high-load operation area, the aftertreatment temperature is not high, the passive regeneration rate of the particle catcher is low, and the exhaust gas flow is large, so that the accuracy of the calculated second carbon load information is higher, and compared with the correction coefficient of the first carbon load information and the correction coefficient of the third carbon load information, the correction coefficient of the second carbon load information is larger; when the operation condition is in the fourth operation condition area, the operation condition belongs to a high-rotating-speed high-load operation area, the aftertreatment temperature is high, the passive regeneration rate of the particle catcher is high, and the exhaust gas flow is large, so that the accuracy of the calculated second carbon capacity information cannot be guaranteed, and the accuracy of the calculated first carbon capacity information is higher, so that the correction coefficient of the first carbon capacity information is larger than the correction coefficient of the second carbon capacity information and the correction coefficient of the third carbon capacity information.
Optionally, in another embodiment of the present application, an implementation manner of step S103 specifically includes the following steps:
and inquiring to obtain the correction coefficient of the first carbon load information corresponding to the current operation condition in the corresponding relation of the preset operation condition and the correction coefficient of the first carbon load information.
And inquiring the correction coefficient of the second carbon load information corresponding to the current operation condition in the corresponding relation between the preset operation condition and the correction coefficient of the second carbon load information.
And inquiring the correction coefficient of the third carbon capacity information corresponding to the current operation condition in the corresponding relation between the preset operation condition and the correction coefficient of the third carbon capacity information.
It should be noted that the corresponding relationship between the preset operation condition and the correction coefficient of the first carbon content information, the corresponding relationship between the preset operation condition and the correction coefficient of the second carbon content information, and the corresponding relationship between the preset operation condition and the correction coefficient of the first carbon content information may be adjusted according to the test result of the subsequent experimenter and the actual application condition, and are not limited herein.
And S104, calculating to obtain the final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information and the correction coefficient of the third carbon capacity information.
Optionally, in another embodiment of the present application, an implementation manner of the step S104, as shown in fig. 3, specifically includes the following steps:
s301, taking the product of the first carbon amount information and the correction coefficient of the first carbon amount information as the first corrected carbon amount.
S302, the product of the second carbon amount information and the correction coefficient of the second carbon amount information is used as a second corrected carbon amount.
S303, taking the product of the third carbon amount information and the correction coefficient of the third carbon amount information as a third corrected carbon amount.
S304, taking the sum of the first corrected carbon load, the second corrected carbon load and the third corrected carbon load as the final carbon load.
And S105, judging whether the final carbon loading is larger than a threshold value.
Specifically, if the final carbon loading is determined to be greater than the threshold, step S106 is executed; and if the final carbon capacity is not larger than the threshold value, returning to execute the steps S101-S105 again to achieve the effect of monitoring the final carbon capacity in real time.
S106, regeneration processing of the particulate matter catcher is carried out.
According to the scheme, in the carbon load detection method of the particulate matter catcher, the current running information of the vehicle and the current carbon load information of the particulate matter catcher are obtained; then, determining the current operation condition of the engine according to the current rotating speed and the current torque; determining correction coefficients corresponding to the first carbon capacity information, the second carbon capacity information and the third carbon capacity information respectively according to the current operation condition of the engine; then, calculating to obtain the final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information and the correction coefficient of the third carbon capacity information; finally, if it is determined that the final carbon loading is greater than the threshold value, regeneration processing for the particulate matter trap is performed. Therefore, the carbon loading on the particle catcher is accurately calculated, and the purpose of timely carrying out regeneration treatment on the particle catcher is achieved.
Another embodiment of the present application provides a carbon load detection device of a particulate trap, as shown in fig. 4, specifically including:
an acquisition unit 401 for acquiring current running information of the vehicle and current carbon load information of the particulate matter trap.
Wherein the travel information includes: a current rotational speed and a current torque of an engine of the vehicle; the current carbon loading information includes: first carbon capacity information, second carbon capacity information, and third carbon capacity information; the first carbon capacity information is obtained through calculation of a carbon capacity calculation model; the second carbon capacity information is obtained by inquiring in a preset corresponding relation between the differential pressure and the second carbon capacity information according to the current differential pressure; the third carbon capacity information is determined according to the current mileage, the current oil consumption and the current running time of the vehicle.
The first determining unit 402 is configured to determine a current operating condition of the engine according to the current rotation speed and the current torque.
Optionally, in another embodiment of the present application, an implementation manner of the first determining unit 402 includes:
and the first determining subunit is used for determining the current operation working condition of the engine as the first operation working condition if the current rotating speed is less than the first preset rotating speed.
The first determining subunit is further configured to determine that the current operating condition of the engine is the second operating condition if the current rotation speed is greater than the first preset rotation speed and the current torque is less than the preset torque.
The first determining subunit is further configured to determine that the current operating condition of the engine is a third operating condition if the current rotational speed is greater than a first preset rotational speed, is less than a second preset rotational speed, and is greater than the preset torque.
The first determining subunit is further configured to determine that the current operating condition of the engine is a fourth operating condition if the current rotation speed is greater than the second preset rotation speed and the current torque is greater than the preset torque.
For specific working processes of the units disclosed in the above embodiments of the present application, reference may be made to the contents of the corresponding method embodiments, which are not described herein again.
A second determining unit 403, configured to determine, according to the current operating condition of the engine, correction coefficients corresponding to the first carbon capacity information, the second carbon capacity information, and the third carbon capacity information, respectively.
Optionally, in another embodiment of the present application, an implementation manner of the second determining unit 403 includes:
and the query unit is used for querying the correction coefficient of the first carbon load information corresponding to the current operation condition in the corresponding relation of the preset operation condition and the correction coefficient of the first carbon load information.
And the query unit is further used for querying the correction coefficient of the second carbon load information corresponding to the current operation condition in the corresponding relation between the preset operation condition and the correction coefficient of the second carbon load information.
And the query unit is further used for querying the correction coefficient of the third carbon capacity information corresponding to the current operation condition in the corresponding relation between the preset operation condition and the correction coefficient of the third carbon capacity information.
For specific working processes of the units disclosed in the above embodiments of the present application, reference may be made to the contents of the corresponding method embodiments, which are not described herein again.
A calculating unit 404, configured to calculate a final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information, and the correction coefficient of the third carbon capacity information.
Optionally, in another embodiment of the present application, an implementation manner of the calculating unit 404, as shown in fig. 5, includes:
a first calculating subunit 501, configured to take a product of the first carbon amount information and the correction coefficient of the first carbon amount information as a first corrected carbon amount.
The first calculating subunit 501 is further configured to take a product of the second carbon amount information and the correction coefficient of the second carbon amount information as a second corrected carbon amount.
The first calculating subunit 501 is further configured to take a product of the third carbon amount information and the correction coefficient of the third carbon amount information as a third corrected carbon amount.
A second calculation subunit 502 is configured to use the sum of the first corrected carbon load, the second corrected carbon load, and the third corrected carbon load as the final carbon load.
For a specific working process of the unit disclosed in the above embodiment of the present application, reference may be made to the content of the corresponding method embodiment, as shown in fig. 3, which is not described herein again.
A judging unit 405 for judging whether the final carbon loading is greater than a threshold value.
And a regeneration unit 406 configured to perform a regeneration process for the particulate matter trap if the determination unit 405 determines that the final amount of carbon is greater than the threshold value.
For a specific working process of the unit disclosed in the above embodiment of the present application, reference may be made to the content of the corresponding method embodiment, as shown in fig. 1, which is not described herein again.
According to the scheme, in the carbon loading amount detection device of the particulate matter trap, the current running information of the vehicle and the current carbon loading amount information of the particulate matter trap are obtained through the obtaining unit 401; then, the first determining unit 402 determines the current operation condition of the engine according to the current rotating speed and the current torque; the second determining unit 403 determines correction coefficients corresponding to the first carbon capacity information, the second carbon capacity information, and the third carbon capacity information, respectively, according to the current operating condition of the engine; then, the calculating unit 404 calculates a final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information, and the correction coefficient of the third carbon capacity information; finally, the determination unit 405 determines whether the final carbon amount is larger than a threshold value, and if the determination unit 405 determines that the final carbon amount is larger than the threshold value, the regeneration unit 406 performs the regeneration process for the particulate matter trap. Therefore, the carbon loading on the particle catcher is accurately calculated, and the purpose of timely carrying out regeneration treatment on the particle catcher is achieved.
Another embodiment of the present application provides an electronic device, as shown in fig. 6, including:
one or more processors 601.
A storage device 602 having one or more programs stored thereon.
The one or more programs, when executed by the one or more processors 601, cause the one or more processors 601 to implement the method as in any of the above embodiments.
Another embodiment of the present application provides a storage medium having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the method as described in any of the above embodiments.
In the above embodiments disclosed in the present application, it should be understood that the disclosed apparatus and method may be implemented in other ways. The apparatus and method embodiments described above are illustrative only, as the flowcharts and block diagrams in the figures illustrate the architecture, functionality, and operation of possible implementations of apparatus, methods and computer program products according to various embodiments of the present disclosure. In this regard, each block in the flowchart or block diagrams may represent a module, segment, or portion of code, which comprises one or more executable instructions for implementing the specified logical function(s). It should also be noted that, in some alternative implementations, the functions noted in the block may occur out of the order noted in the figures. For example, two blocks shown in succession may, in fact, be executed substantially concurrently, or the blocks may sometimes be executed in the reverse order, depending upon the functionality involved. It will also be noted that each block of the block diagrams and/or flowchart illustration, and combinations of blocks in the block diagrams and/or flowchart illustration, can be implemented by special purpose hardware-based systems which perform the specified functions or acts, or combinations of special purpose hardware and computer instructions.
In addition, functional modules in the embodiments of the present disclosure may be integrated together to form an independent part, or each module may exist separately, or two or more modules may be integrated to form an independent part. The functions, if implemented in the form of software functional modules and sold or used as a stand-alone product, may be stored in a computer readable storage medium. Based on such understanding, the technical solution of the present disclosure may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a live broadcast device, or a network device) to execute all or part of the steps of the method according to the embodiments of the present disclosure. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
Those skilled in the art can make or use 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 (10)
1. A method of detecting carbon loading in a particulate trap, comprising:
acquiring current driving information of a vehicle and current carbon capacity information of a particulate matter catcher; wherein the travel information includes: a current rotational speed and a current torque of an engine of the vehicle; the current carbon loading information includes: first carbon capacity information, second carbon capacity information, and third carbon capacity information; the first carbon capacity information is obtained through calculation of a carbon capacity calculation model; the second carbon capacity information is obtained by inquiring in a preset corresponding relation between the differential pressure and the second carbon capacity information according to the current differential pressure; the third carbon capacity information is determined according to the current mileage, the current oil consumption and the current running time of the vehicle;
determining the current operation condition of the engine according to the current rotating speed and the current torque;
determining correction coefficients corresponding to the first carbon load information, the second carbon load information and the third carbon load information respectively according to the current operation condition of the engine;
calculating to obtain a final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, the correction coefficient of the first carbon capacity information, the correction coefficient of the second carbon capacity information and the correction coefficient of the third carbon capacity information;
determining whether the final carbon loading is greater than a threshold;
and if the final carbon loading is judged to be larger than the threshold value, performing regeneration treatment on the particulate matter catcher.
2. The carbon load detection method of claim 1, wherein determining the current operating condition of the engine based on the current speed and the current torque comprises:
if the current rotating speed is less than a first preset rotating speed, determining that the current operating condition of the engine is a first operating condition;
if the current rotating speed is greater than the first preset rotating speed and the current torque is less than the preset torque, determining that the current operating condition of the engine is a second operating condition;
if the current rotating speed is greater than the first preset rotating speed, less than a second preset rotating speed and the current torque is greater than the preset torque, determining that the current operating condition of the engine is a third operating condition;
and if the current rotating speed is greater than the second preset rotating speed and the current torque is greater than the preset torque, determining that the current operating condition of the engine is a fourth operating condition.
3. The method of claim 1, wherein determining the correction factors corresponding to the first, second, and third carbon load information, respectively, based on a current operating condition of the engine comprises:
inquiring to obtain a correction coefficient of the first carbon load information corresponding to the current operation condition in a corresponding relation of a preset operation condition and the correction coefficient of the first carbon load information;
inquiring to obtain a correction coefficient of the second carbon capacity information corresponding to the current operation condition in a corresponding relation of a preset operation condition and the correction coefficient of the second carbon capacity information;
and inquiring to obtain the correction coefficient of the third carbon capacity information corresponding to the current operation condition in the corresponding relation of the preset operation condition and the correction coefficient of the third carbon capacity information.
4. The carbon load detection method according to claim 1, wherein the calculating a final carbon load according to the first carbon load information, the second carbon load information, the third carbon load information, the correction coefficient of the first carbon load information, the correction coefficient of the second carbon load information, and the correction coefficient of the third carbon load information comprises:
taking the product of the first carbon capacity information and the correction coefficient of the first carbon capacity information as a first corrected carbon capacity;
taking the product of the second carbon capacity information and the correction coefficient of the second carbon capacity information as a second corrected carbon capacity;
taking the product of the third carbon capacity information and the correction coefficient of the third carbon capacity information as a third corrected carbon capacity;
taking the sum of the first modified carbon load, the second modified carbon load, and the third modified carbon load as the final carbon load.
5. A carbon load detection device for a particulate trap, comprising:
the device comprises an acquisition unit, a control unit and a control unit, wherein the acquisition unit is used for acquiring current running information of a vehicle and current carbon capacity information of a particulate matter catcher; wherein the travel information includes: a current rotational speed and a current torque of an engine of the vehicle; the current carbon loading information includes: first carbon capacity information, second carbon capacity information, and third carbon capacity information; the first carbon capacity information is obtained through calculation of a carbon capacity calculation model; the second carbon capacity information is obtained by inquiring in a preset corresponding relation between the differential pressure and the second carbon capacity information according to the current differential pressure; the third carbon capacity information is determined according to the current mileage, the current oil consumption and the current running time of the vehicle;
the first determining unit is used for determining the current operation condition of the engine according to the current rotating speed and the current torque;
the second determining unit is used for respectively determining correction coefficients corresponding to the first carbon load information, the second carbon load information and the third carbon load information according to the current operating condition of the engine;
a calculating unit, configured to calculate a final carbon capacity according to the first carbon capacity information, the second carbon capacity information, the third carbon capacity information, a correction coefficient of the first carbon capacity information, a correction coefficient of the second carbon capacity information, and a correction coefficient of the third carbon capacity information;
a judging unit for judging whether the final carbon loading is greater than a threshold value;
and the regeneration unit is used for performing regeneration treatment on the particulate matter catcher if the judgment unit judges that the final carbon loading is greater than a threshold value.
6. The carbon load detecting device according to claim 5, wherein the first determining unit includes:
the first determining subunit is used for determining that the current operation working condition of the engine is a first operation working condition if the current rotating speed is less than a first preset rotating speed;
the first determining subunit is further configured to determine that the current operation condition of the engine is a second operation condition if the current rotation speed is greater than the first preset rotation speed and the current torque is less than a preset torque;
the first determining subunit is further configured to determine that the current operating condition of the engine is a third operating condition if the current rotational speed is greater than the first preset rotational speed, is less than a second preset rotational speed, and the current torque is greater than the preset torque;
the first determining subunit is further configured to determine that the current operating condition of the engine is a fourth operating condition if the current rotation speed is greater than the second preset rotation speed and the current torque is greater than the preset torque.
7. The carbon load detecting device according to claim 5, wherein the second determining unit includes:
the query unit is used for querying a correction coefficient of the first carbon load information corresponding to the current operation condition in a correction coefficient of the first carbon load information which is a preset operation condition;
the query unit is further configured to query a correction coefficient of second carbon capacity information corresponding to the current operating condition from a correction coefficient of second carbon capacity information, which is a preset operating condition;
the query unit is further configured to query a correction coefficient of the third carbon capacity information corresponding to the current operating condition from a correction coefficient of the third carbon capacity information, which is a preset operating condition.
8. The carbon load detection device of claim 5, wherein the computing unit comprises:
a first calculating subunit, configured to take a product of the first carbon amount information and a correction coefficient of the first carbon amount information as a first corrected carbon amount;
the first calculating subunit is further configured to take a product of the second carbon capacity information and a correction coefficient of the second carbon capacity information as a second corrected carbon capacity;
the first calculating subunit is further configured to take a product of the third carbon capacity information and a correction coefficient of the third carbon capacity information as a third corrected carbon capacity;
a second calculation subunit configured to use a sum of the first corrected carbon amount, the second corrected carbon amount, and the third corrected carbon amount as a final carbon amount.
9. An electronic device, comprising:
one or more processors;
a storage device having one or more programs stored thereon;
the one or more programs, when executed by the one or more processors, cause the one or more processors to implement the method of any of claims 1-4.
10. A storage medium, having stored thereon a computer program, wherein the computer program, when executed by a processor, implements the method of any one of claims 1 to 4.
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| CN113866350B (en) * | 2021-08-30 | 2024-01-23 | 东风柳州汽车有限公司 | Method, device, equipment and storage medium for realizing vehicle accumulated carbon quantity |
| CN113719337B (en) * | 2021-08-31 | 2023-01-24 | 潍柴动力股份有限公司 | Particle capture system processing method and apparatus |
| CN115306523A (en) * | 2022-07-14 | 2022-11-08 | 潍柴动力股份有限公司 | Engine DPF control method and device |
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