CN116792212A - Method, system, equipment and storage medium for protecting engine post-processor - Google Patents
Method, system, equipment and storage medium for protecting engine post-processor Download PDFInfo
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Abstract
The invention discloses a protection method, a system, equipment and a storage medium for an engine post-processor, wherein the protection method for the engine post-processor comprises the steps of obtaining residual fuel gas in a current engine cylinder; confirming the working state of the engine according to the residual gas quantity and the preset gas quantity; when the residual gas quantity is smaller than the preset gas quantity, acquiring the duration time when the residual gas quantity is smaller than the preset gas quantity; confirming the working state of the engine again according to the duration and the preset duration; when the duration is greater than or equal to the preset duration, air is input to the engine cylinder according to the residual fuel gas quantity, wherein the residual fuel gas quantity is the same as the air input quantity of the air, so that the damage risk of the postprocessor is reduced, and the use vehicle and the maintenance cost are reduced.
Description
Technical Field
The present invention relates to the field of automotive technologies, and in particular, to a method, a system, an apparatus, and a storage medium for protecting an engine post-processor.
Background
The engine continues to run the vehicle under lower gas volume, and the mixed gas that gets into in the engine jar is too little, causes the engine to burn inadequately, and the mixed gas of incomplete burning gets into three way catalysis aftertreatment ware along with the tail gas, takes place the chemical reaction and causes the problem that the aftertreatment ware ablated that the high temperature leads to, is difficult to effectively guarantee the reliability of aftertreatment ware, and then causes serious influence to user's cost of using the car.
Disclosure of Invention
The invention provides a method, a system, equipment and a storage medium for protecting an engine post-processor, which are used for reducing the damage risk of the post-processor and ensuring the use effect of the post-processor.
According to an aspect of the present invention, there is provided an engine after-processor protection method including:
acquiring the residual fuel gas quantity in a current engine cylinder;
confirming the working state of the engine according to the residual gas quantity and the preset gas quantity;
when the residual gas quantity is smaller than the preset gas quantity, acquiring duration time when the residual gas quantity is smaller than the preset gas quantity;
confirming the working state of the engine again according to the duration time and the preset duration time;
and when the duration is greater than or equal to the preset duration, inputting air to the engine cylinder according to the residual fuel quantity, wherein the residual fuel quantity is the same as the air inflow of the air.
Optionally, after confirming the working state of the engine according to the residual gas quantity and the preset gas quantity, the method further includes:
and when the residual gas quantity is larger than or equal to the preset gas quantity, determining that the engine is in a normal working state.
Optionally, inputting air to the engine cylinder according to the residual fuel amount includes:
calculating the air inflow of the air according to the residual fuel quantity;
outputting the opening information of the air inlet valve according to the air inflow;
and outputting air to the engine cylinder according to the air inflow and the air inlet valve opening information.
Optionally, air is input to the engine cylinder according to the residual fuel amount, wherein after the residual fuel amount is the same as the air intake amount of the air, the method further comprises:
calculating an engine torque output value from the residual fuel gas amount;
and adjusting the working state of the engine according to the engine torque output value.
Optionally, after adjusting the working state of the engine according to the engine torque output value, the method includes:
judging whether the engine torque output value is zero and the target vehicle is still in a running state;
if yes, stopping the engine;
if not, continuing to adjust the working state of the engine according to the engine torque output value.
Optionally, determining whether the engine torque output value is zero and the target vehicle is in a driving state includes:
judging whether the engine torque output value is zero;
if not, continuing to execute the adjustment of the working state of the engine according to the engine torque output value;
if yes, judging whether the target vehicle is in a running state or not;
if not, continuing to execute the adjustment of the working state of the engine according to the engine torque output value;
if yes, acquiring the running duration of the target vehicle in a running state;
judging whether the running duration is longer than a preset running duration;
if yes, executing the stop work of the engine;
if not, continuing to adjust the working state of the engine according to the engine torque output value.
Optionally, the working state of the engine is confirmed again according to the duration and the preset duration, and then the method further comprises the following steps:
and when the duration is smaller than the preset duration, determining that the engine is in a normal working state.
According to another aspect of the present invention, there is provided an engine aftertreatment protection system comprising:
the residual fuel gas amount acquisition module is used for acquiring the residual fuel gas amount in the current engine cylinder;
the fuel gas value comparison judging module is used for confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity;
the duration time acquisition module is used for acquiring duration time when the residual gas quantity is smaller than the preset gas quantity;
the duration time comparison judging module is used for reconfirming the working state of the engine according to the duration time and the preset duration time;
and the air input module is used for inputting air to the engine cylinder according to the residual fuel gas quantity when the duration time is greater than or equal to the preset duration time, wherein the residual fuel gas quantity is the same as the air inflow of the air.
According to another aspect of the present invention, there is provided an electronic apparatus including:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform an engine aftertreatment method implementing any one of the above aspects.
According to another aspect of the present invention, there is provided a computer-readable storage medium storing computer instructions for causing a processor to execute an engine post-processor protection method implementing any one of the above aspects.
According to the technical scheme, the method, the system, the equipment and the storage medium for protecting the engine post-processor are provided, wherein the method for protecting the engine post-processor comprises the steps of obtaining residual fuel gas in a current engine cylinder; confirming the working state of the engine according to the residual gas quantity and the preset gas quantity; when the residual gas quantity is smaller than the preset gas quantity, acquiring the duration time when the residual gas quantity is smaller than the preset gas quantity; confirming the working state of the engine again according to the duration and the preset duration; when the duration is greater than or equal to the preset duration, air is input to the engine cylinder according to the residual fuel gas quantity, wherein the residual fuel gas quantity is the same as the air input quantity of the air, so that the damage risk of the postprocessor is reduced, and the use vehicle and the maintenance cost are reduced.
It should be understood that the description in this section is not intended to identify key or critical features of the embodiments of the invention or to delineate the scope of the invention. Other features of the present invention will become apparent from the description that follows.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the description of the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic flow chart of a method for protecting an engine post-processor according to an embodiment of the present invention;
FIG. 2 is a flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention;
FIG. 3 is a flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention;
FIG. 4 is a flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention;
FIG. 5 is a flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention;
FIG. 6 is a flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention;
FIG. 7 is a schematic diagram of an engine aftertreatment system according to an embodiment of the present disclosure;
fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present invention.
Detailed Description
In order that those skilled in the art will better understand the present invention, a technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in which it is apparent that the described embodiments are only some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present invention without making any inventive effort, shall fall within the scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present invention and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the invention described herein may be implemented in sequences other than those illustrated or otherwise described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
Fig. 1 is a schematic flow chart of an engine post-processor protection method according to an embodiment of the present invention, where the embodiment is applicable to an automobile driving situation, and the method may be performed by an engine post-processor protection system, and the engine post-processor protection system may be implemented in a form of hardware and/or software. As shown in fig. 1, the method includes:
s101, acquiring the residual fuel quantity in the current engine cylinder.
The method comprises the steps that a gas cylinder gas quantity monitoring module in a vehicle is utilized to monitor the gas quantity in a cylinder of an engine, and then the residual gas quantity can be sent to an engine control unit, wherein the residual gas quantity reflects different values for different types of vehicles, and the gas value reflects the pressure value in the cylinder of the current engine for a compressed natural gas vehicle; for lng vehicles, the gas value reflects the current level value in the engine cylinder. The specific residual fuel gas signal sending mode may be exemplified by hard wire signal sending, or may be exemplified by bus signal sending, where the sending period may be 1s, 2s, or 5s, and the specific signal sending mode and the sending period may be selected according to actual design requirements, and the embodiment of the present invention is not specifically limited.
S102, confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity.
The method comprises the steps of presetting the gas quantity in an engine control unit, judging and comparing according to the received residual gas quantity in a current engine cylinder, avoiding the phenomenon that the gas quantity in the current engine cylinder is too low, supporting the vehicle to continue running, limiting mileage, continuously driving the vehicle, insufficiently burning gas, and further enabling mixed gas which is not fully reacted to enter a post-processor along with tail gas to generate high temperature through chemical reaction, so that the damage phenomenon of the post-processor occurs.
And S103, when the residual gas quantity is smaller than the preset gas quantity, acquiring the duration time when the residual gas quantity is smaller than the preset gas quantity.
The engine post-processor protection system comprises a timer, wherein the timer can receive a control signal of an engine control unit and further start timing work. When the residual gas quantity is smaller than the preset gas quantity, namely the current gas quantity in the engine cylinder is smaller, the engine control unit obtains the duration time when the residual gas quantity obtained by timing of the timer is smaller than the preset gas quantity.
And S104, confirming the working state of the engine again according to the duration and the preset duration.
The preset duration may be 5 minutes, 10 minutes, 15 minutes, or the like, and the preset duration may be selected according to actual design requirements, which is not specifically limited in the embodiment of the present invention. The engine control unit corresponds to a post-start processor protection operation based on the duration of the condition where the fuel gas amount is low.
S105, when the duration is greater than or equal to the preset duration, air is input to the engine cylinder according to the residual fuel quantity, wherein the residual fuel quantity is the same as the air input of the air.
When the duration is greater than or equal to the preset duration, false triggering of the signal caused by the specific driving gesture of the target vehicle can be eliminated, and at the moment, the driver has the action of continuing to drive the vehicle, and the risk of subsequent post-treatment burnout exists. The residual fuel gas quantity in the engine cylinder is considered to be less, the protection operation is needed, the air is filled into the engine cylinder, the residual fuel gas quantity is the same as the air inlet quantity of the air, the filled air can completely react with the residual fuel gas quantity, and the situation that an unreacted mixed automobile enters a post-processor to cause the damage of the post-processor is avoided.
According to the embodiment of the invention, the residual gas quantity is obtained and compared with the preset gas quantity, so that the running state of the engine is judged according to the residual gas quantity and the preset gas quantity, when the residual gas quantity is smaller than the preset gas quantity, the duration time when the residual gas quantity is smaller than the preset gas quantity is obtained, and when the duration time is larger than or equal to the preset duration time, air is input into the engine cylinder, so that the residual gas quantity and the air are ensured to completely react, damage to a post-processor is avoided, and the use vehicle and maintenance cost are reduced.
Fig. 2 is a flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention, as shown in fig. 2, the method includes:
s201, the residual fuel quantity in the current engine cylinder is obtained.
S202, confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity.
And S203, when the residual fuel gas quantity is larger than or equal to the preset fuel gas quantity, determining that the engine is in a normal working state.
When the residual gas quantity is larger than or equal to the preset gas quantity, the gas quantity in the current engine cylinder is considered to be in a normal range, namely the engine is in a normal working state, and the vehicle runs normally.
And S204, when the residual gas quantity is smaller than the preset gas quantity, acquiring the duration time when the residual gas quantity is smaller than the preset gas quantity.
And S205, confirming the working state of the engine again according to the duration and the preset duration.
And S206, when the duration is smaller than the preset duration, determining that the engine is in a normal working state.
When the duration is smaller than the preset duration, the signal caused by the driver in the specific driving posture is considered to be triggered by mistake, the engine of the current vehicle is still in a normal working state, and the damage of the post processor is not caused.
S207, when the duration is greater than or equal to the preset duration, air is input to the engine cylinder according to the residual fuel quantity, wherein the residual fuel quantity is the same as the air input of the air.
According to the embodiment of the invention, the residual gas quantity is obtained and compared with the preset gas quantity, so that the running state of the engine is judged according to the residual gas quantity and the preset gas quantity, and when the residual gas quantity is larger than or equal to the preset gas quantity and when the residual gas quantity is smaller than the preset gas quantity, the duration time when the residual gas quantity is smaller than the preset duration time, the engine is considered to be in a normal working state, so that the residual gas quantity and air are ensured to completely react, damage to a post-processor is avoided, and the user vehicle and the maintenance cost are reduced.
Optionally, fig. 3 is a schematic flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention, as shown in fig. 3, where the method includes:
s301, acquiring the residual fuel quantity in the current engine cylinder.
S302, confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity.
S303, when the residual fuel gas quantity is larger than or equal to the preset fuel gas quantity, determining that the engine is in a normal working state.
And S304, when the residual gas quantity is smaller than the preset gas quantity, acquiring the duration time when the residual gas quantity is smaller than the preset gas quantity.
And S305, confirming the working state of the engine again according to the duration and the preset duration.
And S306, when the duration is smaller than the preset duration, determining that the engine is in a normal working state.
S307, when the duration is greater than or equal to the preset duration, calculating an air intake amount of air according to the remaining fuel gas.
When the duration is greater than or equal to the preset duration, the air inflow of the air is reversely calculated according to the residual fuel gas amount, so that the air inflow is adjusted in real time, the ratio of the air inflow to the residual fuel gas amount is always 1:1, complete combustion can be realized, and the lambda value of the tail gas entering the postprocessor is always 1, which is obtained by the oxygen sensor.
S308, the intake valve opening information is output according to the air intake amount.
And S309, outputting air to the engine cylinder according to the opening information of the air inlet valve, wherein the residual fuel quantity is the same as the air inlet quantity of the air.
The air inlet valve opening information is correspondingly output according to the required air inlet amount, the opening of the air inlet valve is guaranteed, air can enter an engine cylinder, and the air inlet valve can be an electronic throttle valve. The engine control unit outputs air to the engine cylinder according to the opening information of the air inlet valve, the air inflow of the air is adjusted in real time, the residual fuel quantity is the same as the air inflow of the air, and further full combustion is achieved, and the situation that the unreacted mixer enters the postprocessor to cause damage to the postprocessor is avoided.
According to the embodiment of the invention, the air inflow is obtained according to the residual fuel gas quantity, and the opening information of the air inlet valve is further output according to the air inflow, so that the air enters the engine cylinder, the residual fuel gas quantity and the air are ensured to completely react, the damage to the post-processor is avoided, and the use vehicle and the maintenance cost are reduced.
Optionally, fig. 4 is a schematic flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention, as shown in fig. 4, where the method includes:
s401, acquiring the residual fuel quantity in the current engine cylinder.
S402, confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity.
S403, when the residual fuel gas quantity is larger than or equal to the preset fuel gas quantity, determining that the engine is in a normal working state.
S404, when the residual gas quantity is smaller than the preset gas quantity, acquiring the duration time when the residual gas quantity is smaller than the preset gas quantity.
And S405, confirming the working state of the engine again according to the duration and the preset duration.
And S406, when the duration is smaller than the preset duration, determining that the engine is in a normal working state.
S407, calculating an air intake amount of air according to the remaining fuel gas when the duration is greater than or equal to the preset duration.
S408, intake valve opening information is output according to the amount of air intake.
S409, outputting air to the engine cylinder according to the opening information of the air inlet valve, wherein the residual fuel quantity is the same as the air inlet quantity of the air.
S410, calculating an engine torque output value according to the residual fuel gas.
The engine controller calculates an engine torque output value according to the residual fuel gas quantity, so that the situation that the target torque output value is difficult to meet through the current residual fuel gas quantity is avoided, and the damage to the vehicle is avoided.
S411, adjusting the working state of the engine according to the engine torque output value.
The engine control unit calculates the current available maximum engine torque output value of the engine according to the actual fuel gas, limits the engine required torque to the available maximum engine torque value through the torque limiter, and dynamically adjusts the working state of the engine in real time.
According to the embodiment of the invention, the engine torque output value is obtained according to the residual fuel gas quantity, so that the working state of the engine is adjusted according to the engine torque output value, the residual fuel gas quantity and air are ensured to completely react, the damage to a post-processor is avoided, and the use vehicle and maintenance cost of a user are reduced.
Optionally, fig. 5 is a schematic flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention, as shown in fig. 5, where the method includes:
s501, the residual fuel quantity in the current engine cylinder is obtained.
S502, confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity.
S503, when the residual fuel gas quantity is larger than or equal to the preset fuel gas quantity, determining that the engine is in a normal working state.
S504, when the residual gas quantity is smaller than the preset gas quantity, acquiring the duration time when the residual gas quantity is smaller than the preset gas quantity.
S505, reconfirming the operating state of the engine according to the duration and the preset duration.
And S506, when the duration is smaller than the preset duration, determining that the engine is in a normal working state.
S507, calculating an air intake amount of air according to the remaining fuel gas when the duration is greater than or equal to the preset duration.
S508, the intake valve opening information is output according to the air intake amount.
S509, outputting air to the engine cylinder according to the intake valve opening information, wherein the remaining fuel amount is the same as the air intake amount of the air.
S510, calculating an engine torque output value according to the residual fuel gas.
S511, adjusting the working state of the engine according to the engine torque output value.
S512, judging whether the engine torque output value is zero and the target vehicle is in a running state; if yes, go to step S513; if not, step S511 is performed.
S513, the engine stops operating.
When the torque output value of the engine is 0, the target vehicle can only keep the idle speed, but if the driver still continues to drive the target vehicle and the target vehicle is still in a form state, the engine control unit cannot continuously ensure that the residual gas quantity and the air quantity of the engine are 1:1 through a control means, at the moment, the gas quantity is too low, so that the gas mixture becomes thin, incomplete combustion in an engine cylinder is caused, and the current measure capable of effectively protecting the post-processor can only be realized through forced flameout of the engine, namely, the engine stops working. If the engine torque output is not zero, the engine is continuously executed to adjust the working state of the engine in real time according to the engine torque output value, and damage to the post processor is avoided.
According to the embodiment of the invention, the engine is directly stopped by judging that the output value of the engine torque is zero and the target vehicle is in the running state, so that the damage to the post-processor is avoided, and the use vehicle and the maintenance cost are reduced.
Optionally, fig. 6 is a schematic flow chart of another method for protecting an engine post-processor according to an embodiment of the present invention, as shown in fig. 6, where the method includes:
s601, the residual fuel quantity in the current engine cylinder is obtained.
S602, confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity.
And S603, when the residual fuel gas quantity is larger than or equal to the preset fuel gas quantity, determining that the engine is in a normal working state.
S604, when the residual gas quantity is smaller than the preset gas quantity, acquiring the duration time when the residual gas quantity is smaller than the preset gas quantity.
S605, the operation state of the engine is again confirmed according to the duration and the preset duration.
And S606, when the duration is smaller than the preset duration, determining that the engine is in a normal working state.
S607, when the duration is greater than or equal to the preset duration, calculating an air intake amount of air according to the remaining fuel gas.
S608, the intake valve opening information is output according to the air intake amount.
S609, outputting air to the engine cylinder according to the intake valve opening information, wherein the residual fuel amount is the same as the air intake amount of the air.
S610, calculating an engine torque output value according to the residual fuel gas.
S611, adjusting an operation state of the engine according to the engine torque output value.
S612, judging whether the output value of the engine torque is zero; if yes, go to step S613; if not, step S611 is performed.
S613, judging whether the target vehicle is in a running state; if yes, go to step S614; if not, step S611 is performed.
S614, a travel time length of the target vehicle in the travel state is acquired.
S615, judging whether the running duration is longer than a preset running duration; if yes, go to step S616; if not, step S611 is performed.
S616, the engine stops working.
When the torque output value of the engine is zero and the target vehicle is still in a running state, the running duration is acquired, whether the running duration is greater than the preset running duration is judged, namely whether the driver has false touch operation is judged, if the running duration is greater than the preset running duration, the driver is considered to be still driving continuously, the engine stops working, forced flameout is carried out, if the running duration is less than or equal to the preset running duration, the driver is considered to have false touch operation, the working state of the engine is continuously adjusted according to the torque output value of the engine, namely the torque output value is kept to be zero.
According to the embodiment of the invention, the running duration of the target vehicle in the running state is obtained according to the condition that the torque output value of the engine is zero and the target vehicle is in the running state, and the relation between the running duration and the preset running duration is judged, so that the situation that a driver continues to run the vehicle under the condition of insufficient residual fuel gas is avoided, the damage is caused, and the use vehicle and the maintenance cost are reduced.
Fig. 7 is a schematic structural diagram of an engine post-processor protection system according to an embodiment of the present invention, as shown in fig. 7, the system includes:
a remaining gas amount acquisition module 101 for acquiring a remaining gas amount in a current engine cylinder;
the fuel gas value comparison judging module 102 is used for confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity;
a duration acquisition module 103, configured to acquire a duration when the remaining gas amount is smaller than the preset gas amount;
the duration comparison and judgment module 104 is configured to reconfirm the working state of the engine according to the duration and the preset duration;
and an air input module 105 for inputting air to the engine cylinder according to the residual fuel amount when the duration is greater than or equal to the preset duration, wherein the residual fuel amount is the same as the air intake amount of the air.
The engine post-processor protection system provided by the embodiment of the invention can execute the engine post-processor protection method provided by any embodiment of the invention, and has the corresponding functional modules and beneficial effects of the execution method.
Fig. 8 is a schematic structural diagram of an electronic device according to an embodiment of the present invention, and fig. 8 is a schematic structural diagram of an electronic device 10 that may be used to implement an embodiment of the present invention. Electronic devices are intended to represent various forms of digital computers, such as laptops, desktops, workstations, personal digital assistants, servers, blade servers, mainframes, and other appropriate computers. Electronic equipment may also represent various forms of mobile devices, such as personal digital processing, cellular telephones, smartphones, wearable devices (e.g., helmets, glasses, watches, etc.), and other similar computing devices. The components shown herein, their connections and relationships, and their functions, are meant to be exemplary only, and are not meant to limit implementations of the inventions described and/or claimed herein.
As shown in fig. 8, the electronic device 10 includes at least one processor 11, and a memory, such as a Read Only Memory (ROM) 12, a Random Access Memory (RAM) 13, etc., communicatively connected to the at least one processor 11, in which the memory stores a computer program executable by the at least one processor, and the processor 11 may perform various appropriate actions and processes according to the computer program stored in the Read Only Memory (ROM) 12 or the computer program loaded from the storage unit 18 into the Random Access Memory (RAM) 13. In the RAM 13, various programs and data required for the operation of the electronic device 10 may also be stored. The processor 11, the ROM 12 and the RAM 13 are connected to each other via a bus 14. An input/output (I/O) interface 15 is also connected to bus 14.
Various components in the electronic device 10 are connected to the I/O interface 15, including: an input unit 16 such as a keyboard, a mouse, etc.; an output unit 17 such as various types of displays, speakers, and the like; a storage unit 18 such as a magnetic disk, an optical disk, or the like; and a communication unit 19 such as a network card, modem, wireless communication transceiver, etc. The communication unit 19 allows the electronic device 10 to exchange information/data with other devices via a computer network, such as the internet, and/or various telecommunication networks.
The processor 11 may be a variety of general and/or special purpose processing components having processing and computing capabilities. Some examples of processor 11 include, but are not limited to, a Central Processing Unit (CPU), a Graphics Processing Unit (GPU), various specialized Artificial Intelligence (AI) computing chips, various processors running machine learning model algorithms, digital Signal Processors (DSPs), and any suitable processor, controller, microcontroller, etc. The processor 11 performs the various methods and processes described above, such as an engine aftertreatment method.
In some embodiments, the engine after-processor protection method may be implemented as a computer program tangibly embodied on a computer-readable storage medium, such as the storage unit 18. In some embodiments, part or all of the computer program may be loaded and/or installed onto the electronic device 10 via the ROM 12 and/or the communication unit 19. When the computer program is loaded into RAM 13 and executed by processor 11, one or more steps of the engine post-processor protection method described above may be performed. Alternatively, in other embodiments, the processor 11 may be configured to perform the engine post-processor protection method in any other suitable manner (e.g., by means of firmware).
Various implementations of the systems and techniques described here above may be implemented in digital electronic circuitry, integrated circuit systems, field Programmable Gate Arrays (FPGAs), application Specific Integrated Circuits (ASICs), application Specific Standard Products (ASSPs), systems On Chip (SOCs), load programmable logic devices (CPLDs), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include: implemented in one or more computer programs, the one or more computer programs may be executed and/or interpreted on a programmable system including at least one programmable processor, which may be a special purpose or general-purpose programmable processor, that may receive data and instructions from, and transmit data and instructions to, a storage system, at least one input device, and at least one output device.
A computer program for carrying out methods of the present invention may be written in any combination of one or more programming languages. These computer programs may be provided to a processor of a general purpose computer, special purpose computer, or other programmable data processing apparatus, such that the computer programs, when executed by the processor, cause the functions/acts specified in the flowchart and/or block diagram block or blocks to be implemented. The computer program may execute entirely on the machine, partly on the machine, as a stand-alone software package, partly on the machine and partly on a remote machine or entirely on the remote machine or server.
In the context of the present invention, a computer-readable storage medium may be a tangible medium that can contain, or store a computer program for use by or in connection with an instruction execution system, apparatus, or device. The computer readable storage medium may include, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any suitable combination of the foregoing. Alternatively, the computer readable storage medium may be a machine readable signal medium. More specific examples of a machine-readable storage medium would include an electrical connection based on one or more wires, a portable computer diskette, a hard disk, a Random Access Memory (RAM), a read-only memory (ROM), an erasable programmable read-only memory (EPROM or flash memory), an optical fiber, a portable compact disc read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
To provide for interaction with a user, the systems and techniques described here can be implemented on an electronic device having: a display device (e.g., a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to a user; and a keyboard and a pointing device (e.g., a mouse or a trackball) through which a user can provide input to the electronic device. Other kinds of devices may also be used to provide for interaction with a user; for example, feedback provided to the user may be any form of sensory feedback (e.g., visual feedback, auditory feedback, or tactile feedback); and input from the user may be received in any form, including acoustic input, speech input, or tactile input.
The systems and techniques described here can be implemented in a computing system that includes a background component (e.g., as a data server), or that includes a middleware component (e.g., an application server), or that includes a front-end component (e.g., a user computer having a graphical user interface or a web browser through which a user can interact with an implementation of the systems and techniques described here), or any combination of such background, middleware, or front-end components. The components of the system can be interconnected by any form or medium of digital data communication (e.g., a communication network). Examples of communication networks include: local Area Networks (LANs), wide Area Networks (WANs), blockchain networks, and the internet.
The computing system may include clients and servers. The client and server are typically remote from each other and typically interact through a communication network. The relationship of client and server arises by virtue of computer programs running on the respective computers and having a client-server relationship to each other. The server can be a cloud server, also called a cloud computing server or a cloud host, and is a host product in a cloud computing service system, so that the defects of high management difficulty and weak service expansibility in the traditional physical hosts and VPS service are overcome.
It should be appreciated that various forms of the flows shown above may be used to reorder, add, or delete steps. For example, the steps described in the present invention may be performed in parallel, sequentially, or in a different order, so long as the desired results of the technical solution of the present invention are achieved, and the present invention is not limited herein.
The above embodiments do not limit the scope of the present invention. It will be apparent to those skilled in the art that various modifications, combinations, sub-combinations and alternatives are possible, depending on design requirements and other factors. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the scope of the present invention.
Claims (10)
1. A method of engine aftertreatment protection, comprising:
acquiring the residual fuel gas quantity in a current engine cylinder;
confirming the working state of the engine according to the residual gas quantity and the preset gas quantity;
when the residual gas quantity is smaller than the preset gas quantity, acquiring duration time when the residual gas quantity is smaller than the preset gas quantity;
confirming the working state of the engine again according to the duration time and the preset duration time;
and when the duration is greater than or equal to the preset duration, inputting air to the engine cylinder according to the residual fuel quantity, wherein the residual fuel quantity is the same as the air inflow of the air.
2. The engine post-processor protection method according to claim 1, further comprising, after confirming the operating state of the engine based on the remaining gas amount and a preset gas amount:
and when the residual gas quantity is larger than or equal to the preset gas quantity, determining that the engine is in a normal working state.
3. The engine aftertreatment method according to claim 1 wherein inputting air to the engine cylinder based on the residual fuel amount comprises:
calculating the air inflow of the air according to the residual fuel quantity;
outputting the opening information of the air inlet valve according to the air inflow;
and outputting air to the engine cylinder according to the air inflow and the air inlet valve opening information.
4. The engine post-processor protection method according to claim 2, characterized in that air is input to the engine cylinder according to the remaining amount of fuel, wherein after the remaining amount of fuel is the same as an air intake amount of the air, further comprising:
calculating an engine torque output value from the residual fuel gas amount;
and adjusting the working state of the engine according to the engine torque output value.
5. The engine aftertreatment method according to claim 4 wherein adjusting the operating state of the engine according to the engine torque output value comprises:
judging whether the engine torque output value is zero and the target vehicle is in a running state;
if yes, stopping the engine;
if not, continuing to adjust the working state of the engine according to the engine torque output value.
6. The engine post-processor protection method according to claim 5, characterized in that determining whether the engine torque output value is zero and a target vehicle is in a running state comprises:
judging whether the engine torque output value is zero;
if not, continuing to execute the adjustment of the working state of the engine according to the engine torque output value;
if yes, judging whether the target vehicle is in a running state or not;
if not, continuing to execute the adjustment of the working state of the engine according to the engine torque output value;
if yes, acquiring the running duration of the target vehicle in a running state;
judging whether the running duration is longer than a preset running duration;
if yes, executing the stop work of the engine;
if not, continuing to adjust the working state of the engine according to the engine torque output value.
7. The engine aftertreatment method according to claim 1 wherein the operating state of the engine is again confirmed based on the duration and a preset duration, and further comprising:
and when the duration is smaller than the preset duration, determining that the engine is in a normal working state.
8. An engine aftertreatment protection system, comprising:
the residual fuel gas amount acquisition module is used for acquiring the residual fuel gas amount in the current engine cylinder;
the fuel gas value comparison judging module is used for confirming the working state of the engine according to the residual fuel gas quantity and the preset fuel gas quantity;
the duration time acquisition module is used for acquiring duration time when the residual gas quantity is smaller than the preset gas quantity;
the duration time comparison judging module is used for reconfirming the working state of the engine according to the duration time and the preset duration time;
and the air input module is used for inputting air to the engine cylinder according to the residual fuel gas quantity when the duration time is greater than or equal to the preset duration time, wherein the residual fuel gas quantity is the same as the air inflow of the air.
9. An electronic device, the electronic device comprising:
at least one processor; and
a memory communicatively coupled to the at least one processor; wherein,,
the memory stores a computer program executable by the at least one processor to enable the at least one processor to perform the engine aftertreatment method of any one of claims 1-7.
10. A computer readable storage medium storing computer instructions for causing a processor to perform the engine after-processor protection method of any one of claims 1-7 when executed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310728177.2A CN116792212A (en) | 2023-06-19 | 2023-06-19 | Method, system, equipment and storage medium for protecting engine post-processor |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310728177.2A CN116792212A (en) | 2023-06-19 | 2023-06-19 | Method, system, equipment and storage medium for protecting engine post-processor |
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| CN202310728177.2A Pending CN116792212A (en) | 2023-06-19 | 2023-06-19 | Method, system, equipment and storage medium for protecting engine post-processor |
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| Country | Link |
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| CN (1) | CN116792212A (en) |
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- 2023-06-19 CN CN202310728177.2A patent/CN116792212A/en active Pending
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