CN110107391B - Engine fan post-operation control method and system and electronic equipment - Google Patents
Engine fan post-operation control method and system and electronic equipment Download PDFInfo
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- CN110107391B CN110107391B CN201910435110.3A CN201910435110A CN110107391B CN 110107391 B CN110107391 B CN 110107391B CN 201910435110 A CN201910435110 A CN 201910435110A CN 110107391 B CN110107391 B CN 110107391B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/02—Controlling of coolant flow the coolant being cooling-air
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Abstract
The invention discloses a method, a system and electronic equipment for controlling the rear running of an engine fan, wherein the method comprises the following steps: collecting operation parameters before the vehicle is stopped and flamed out; acquiring a post-operation request grade corresponding to each operation parameter; acquiring a duty ratio adjustment strategy corresponding to a high-grade post-operation request grade; and adjusting the duty ratio of the engine fan in different post-operation time periods according to the duty ratio adjusting strategy. The invention adjusts the duty ratio of the fan according to the performed post-operation time, can effectively reduce the deterioration influence of the exhaust temperature of the engine on peripheral parts, reduces the heat damage influence of the exhaust temperature of the engine after shutdown and flameout, and reduces the energy consumption of the fan and the noise of the fan after shutdown and flameout.
Description
Technical Field
The invention relates to the technical field of engine fan control, in particular to a method and a system for controlling the rear running of an engine fan and electronic equipment.
Background
With the rapid development of national economic construction, the use of automobiles is increasingly popularized. Heat dissipation systems are a very important component of automotive cooling systems. And the performance of the engine fan directly leads to the running effect of the automobile engine. The working environment of the engine fan is quite severe, such as high temperature, vibration and the like, so that the engine fan not only consumes a large amount of engine power and energy consumption, but also is one of the main noise sources of the automobile while ensuring the normal work of the automobile engine. Therefore, there is a lot of work in optimizing the engine fan.
Under most conditions, an engine fan still operates for a period of time after parking and flameout, namely the engine fan operates behind, the current engine fan rear operation strategy of most automobiles is to control the rear operation of the fan according to the air inlet temperature, the water temperature and the like after parking and flameout, and the operation duty ratio and the operation time of the fan are single and are not changed.
However, the thermal hazards caused by different exhaust temperatures, water temperatures and the like are different, the single duty ratio and the single operation time are not beneficial to energy conservation and consumption reduction of the fan, and the noise of the fan after shutdown and flameout cannot be effectively reduced.
Disclosure of Invention
The invention provides a method and a system for controlling the rear operation of a fan of an engine and electronic equipment, and aims to solve the problems that the existing rear operation strategy of the fan is not beneficial to energy conservation and consumption reduction of the fan and can not effectively reduce the noise of the fan after the fan is stopped and flamed.
In order to solve the above technical problem, in one aspect, the present invention provides a method for controlling a fan after-running of an engine, the method including:
collecting operation parameters before the vehicle is stopped and flamed out;
acquiring a post-operation request grade corresponding to each operation parameter;
acquiring a duty ratio adjustment strategy corresponding to a high-grade post-operation request grade;
and adjusting the duty ratio of the engine fan in different post-operation time periods according to the duty ratio adjusting strategy.
Further, the collecting the operation parameters before the vehicle is stopped and flameout includes:
collecting operation parameters in a preset time period before a vehicle is stopped and flamed out;
wherein the operating parameter includes at least one of an engine exhaust temperature, an engine water temperature, an engine torque, and an engine intake air temperature.
Further, the obtaining the post-operation request level corresponding to each of the operation parameters includes:
pre-establishing a first mapping relation between the operation parameters and the later operation request level;
acquiring a post-operation request grade corresponding to the current operation parameter according to the first mapping relation;
the obtaining of the duty ratio adjustment strategy corresponding to the high-grade post-operation request grade comprises the following steps:
pre-establishing a second mapping relation between the post-operation request level and the duty ratio adjustment strategy;
and acquiring a duty ratio adjustment strategy corresponding to the high-grade post-operation request grade according to the second mapping relation.
Further, the adjusting the duty ratio of the engine fan in different post-operation time periods according to the duty ratio adjustment strategy includes:
calculating the total running time of the engine fan after running;
dividing the total running time into a plurality of time periods;
distributing different duty ratios to each time period according to the duty ratio adjusting strategy;
and controlling the engine fan to operate according to different duty ratios in different time periods.
Further, after the obtaining of the post-operation request level corresponding to each of the operation parameters, the method further includes:
determining whether the operating parameter includes the engine exhaust temperature;
if so, judging whether the vehicle simultaneously meets a first condition, a second condition and a third condition; the first condition is that the rotating speed of the engine is greater than a first preset threshold value, the second condition is that the load of the engine is lower than a second preset threshold value, and the third condition is that the vehicle stops within a preset time period after the vehicle speed is lower than a third preset threshold value;
and if so, performing degradation processing on the rear request level corresponding to the exhaust temperature of the engine.
In another aspect, the present disclosure provides an engine fan post-operation control system, comprising:
the acquisition module is used for acquiring the operation parameters before the vehicle is stopped and flamed out;
the first acquisition module is used for acquiring the post-operation request grade corresponding to each operation parameter;
the second acquisition module is used for acquiring a duty ratio adjustment strategy corresponding to the high-grade post-operation request grade;
and the adjusting module is used for adjusting the duty ratio of the engine fan in different post-operation time periods according to the duty ratio adjusting strategy.
Further, the first obtaining module comprises:
the first establishing unit is used for establishing a first mapping relation between the operation parameters and the later operation request level in advance;
a post-operation request grade obtaining unit, configured to obtain a post-operation request grade corresponding to the current operation parameter according to the first mapping relationship;
the second obtaining module includes:
the second establishing unit is used for pre-establishing a second mapping relation between the post-operation request level and the duty ratio adjusting strategy;
and the duty ratio adjustment strategy acquisition unit is used for acquiring a duty ratio adjustment strategy corresponding to the high-grade post-operation request grade according to the second mapping relation.
Further, the adjustment module includes:
the calculating unit is used for calculating the total running time of the back running of the engine fan;
a dividing unit for dividing the total operation time into a plurality of time periods;
the distribution unit is used for distributing different duty ratios to each time period according to the duty ratio adjustment strategy;
and the control unit is used for controlling the engine fan to operate according to different duty ratios in different time periods.
Further, the acquisition module is further used for acquiring operation parameters in a preset time period before the vehicle is stopped and flamed out; wherein the operating parameter comprises at least one of an engine exhaust temperature, an engine water temperature, an engine torque, and an engine intake air temperature: the system further comprises:
the first judgment module is used for judging whether the operation parameters comprise the exhaust temperature of the engine;
the second judging module is used for judging whether the vehicle simultaneously meets the first condition, the second condition and the third condition when the judging result of the first judging module is yes; the first condition is that the rotating speed of the engine is greater than a first preset threshold value, the second condition is that the load of the engine is lower than a second preset threshold value, and the third condition is that the vehicle stops within a preset time period after the vehicle speed is lower than a third preset threshold value;
and the degradation module is used for performing degradation processing on the post-request level corresponding to the exhaust temperature of the engine when the judgment result of the second judgment module is yes.
In another aspect, the present invention provides an electronic device, including:
a processor adapted to implement one or more instructions; and the number of the first and second groups,
a memory storing one or more instructions adapted to be loaded by the processor and execute the engine fan after-run control method described above.
According to the method, the system and the electronic equipment for controlling the rear operation of the engine fan, different levels are set according to the operation parameters before parking and flameout, the duty ratio adjustment strategy required to be carried out is judged according to the rear operation request level with high level, the duty ratio is not fixed according to different duty ratio adjustment strategies, the duty ratio of the fan can be adjusted according to the carried out rear operation time, the degradation influence of the exhaust temperature of the engine on peripheral parts can be effectively reduced, the heat damage influence of the exhaust temperature of the engine after parking and flameout is reduced, and the energy consumption of the fan and the noise of the fan after parking and flameout are reduced.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a flow chart illustrating a method for controlling engine fan after-run provided by an embodiment of the present invention;
FIG. 2 is a schematic flow chart illustrating the adjustment of the duty cycle of an engine fan during different post-operation time periods according to a duty cycle adjustment strategy provided by an embodiment of the present invention;
FIG. 3 is a flowchart illustrating a downgrade process for a post-run request level according to an embodiment of the present invention;
FIG. 4 is a block diagram of an engine fan post-operation control system according to an embodiment of the present invention;
FIG. 5 is a block diagram of another engine fan post-operation control system provided in an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
In the several embodiments provided in this application, the described system embodiments are only illustrative, for example, the division of the modules is only one logical function division, and there may be other division manners in actual implementation, for example, a plurality of modules or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or direct coupling or communication connection may be an indirect coupling or communication connection of modules or units through some interfaces, and may be in an electrical or other form.
The modules described as separate parts may or may not be physically separate, and parts displayed as modules may or may not be physical modules, may be located in one place, or may be distributed on a plurality of network modules. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.
In addition, each functional unit in the embodiments of the present invention may be integrated into one processing module, or each unit may exist alone physically, or two or more units are integrated into one module. The integrated unit can be realized in a form of hardware, and can also be realized in a form of a software functional unit.
Referring to fig. 1, fig. 1 is a schematic flow chart of an engine fan after-operation control method according to an embodiment of the present invention, wherein, in practical applications, the operation of an engine fan after a vehicle is shut down is referred to as after-fan operation, and the present specification provides the method operation steps according to the embodiment or the flowchart, but more or less operation steps can be included based on conventional or non-inventive labor. The order of steps recited in the embodiments is merely one manner of performing the steps in a multitude of orders and does not represent the only order of execution.
The method for controlling the rear operation of the engine fan comprises the following steps:
s101, collecting operation parameters before the vehicle is stopped and flamed out;
in this embodiment, the operating parameters including, but not limited to, at least one of engine exhaust temperature, engine water temperature, engine torque, and engine intake temperature, during a predetermined period of time before the vehicle is shut down, are collected.
In practical application, the running parameters such as exhaust temperature, engine water temperature and engine torque at the moment before the vehicle is stopped and stalled can be acquired through preset sensors and other devices at the moment before the vehicle is stopped and stalled within a preset time period before the vehicle is stopped and stalled.
S103, acquiring a post-operation request grade corresponding to each operation parameter;
in the embodiment, a first mapping relation between the operation parameters and the later operation request level is established in advance; acquiring a post-operation request grade corresponding to the current operation parameter according to the first mapping relation;
in this embodiment, post-operation request levels corresponding to each operation parameter are pre-established, for example, the operation parameters collected in S101 include exhaust gas temperature, engine water temperature, and engine torque, and a post-operation request level needs to be established for each of the exhaust gas temperature, the engine water temperature, and the engine torque, a first mapping relationship between the exhaust gas temperature and the post-operation request level is shown in table 1, a first mapping relationship between the engine water temperature and the post-operation request level is shown in table 2, and a first mapping relationship between the engine torque and the post-operation request level is shown in table 3.
TABLE 1 mapping relationship between exhaust temperature and post-operation request level
| Serial number | Exhaust temperature (. degree. C.) | Water temperature (. degree.C.) | Post-run request level |
| 1 | 825 | 80 | 3 |
| 2 | 785 | 80 | 2 |
| 3 | 725 | 80 | 1 |
TABLE 2 mapping relationship between Engine Water temperature and post-operation request level
| Serial number | Water temperature (. degree.C.) | Post-run request level |
| 1 | 112 | 3 |
| 2 | 110 | 2 |
| 3 | 108 | 1 |
TABLE 3 mapping between Torque and post-operation request level
| Serial number | Torque (N.m) | Water temperature (. degree.C.) | Post-run request level |
| 1 | 240 | 103 | 3 |
| 2 | 220 | 99 | 2 |
| 3 | 200 | 95 | 1 |
S105, acquiring a duty ratio adjusting strategy corresponding to the post-operation request level with the high level;
in this embodiment, a second mapping relationship between the post-operation request level and the duty ratio adjustment strategy is pre-established, as shown in table 4; acquiring a duty ratio adjustment strategy corresponding to the high-grade post-operation request grade according to the second mapping relation; the duty ratio in this embodiment can be understood as a ratio of the energization time to the total time in one pulse cycle.
TABLE 4 second mapping relationship between post-operation request level and duty cycle adjustment strategy
S107, adjusting the duty ratio of the engine fan in different post-operation time periods according to the duty ratio adjusting strategy;
as shown in fig. 2, in this embodiment, S107 may further include:
s1071, calculating the total running time of the engine fan after running;
s1073, dividing the total running time into a plurality of time periods;
s1075, distributing different duty ratios for each time period according to the duty ratio adjusting strategy;
s1077, controlling the engine fan to operate according to different duty ratios in different time periods.
For example, in practical applications, the operation parameters include an exhaust temperature (e.g., 785 ℃), an engine water temperature (e.g., 112 ℃), and an engine torque (e.g., 200N · m), a post-operation request level corresponding to the exhaust temperature is obtained as level 2 through the lookup table 1, a post-operation request temperature corresponding to the engine water temperature is obtained as level 1 through the lookup table 2, a post-operation request temperature corresponding to the engine torque is obtained as level 3 through the lookup table 3, a post-operation request level (i.e., level 3) with a high level is obtained, a duty ratio adjustment strategy corresponding to the post-operation request level 3 is obtained through the lookup table 4, the duty ratio adjustment strategy is a total operation time of 300s, the total operation time is divided into 3 time segments, the first time segment is 0 to 20s, the second time segment is 21 to 40s, and the third time segment is 41s, and then a duty ratio is allocated to each time segment, and controlling the engine fan to operate in different time periods according to different duty ratios according to the time periods and the duty ratios, wherein the duty ratio in 0-20 s is 90, the duty ratio in 21-40 s is 80, and the duty ratio after 41s is 70.
In the embodiment, the maximum post-operation request level is taken to meet the factor that the demand is maximum, the factor that the demand is small is covered, the duty ratio in the post-operation request process of the fan is not fixed, the duty ratio of the fan can be adjusted according to the performed post-operation time, the energy consumption of the fan can be effectively reduced, and the noise of the fan after stopping and flameout can be reduced.
As shown in fig. 3, in some embodiments, after S103, the method further includes a step of performing destage processing on the post-operation request level:
s1031, judging whether the operation parameters comprise the engine exhaust temperature;
s1033, if yes, judging whether the vehicle meets a first condition, a second condition and a third condition at the same time; the first condition is that the rotating speed of the engine is greater than a first preset threshold value, the second condition is that the load of the engine is lower than a second preset threshold value, and the third condition is that the vehicle stops within a preset time period after the vehicle speed is lower than a third preset threshold value;
and S1035, if yes, performing degradation processing on the rear request level corresponding to the engine exhaust temperature.
If the vehicle does not satisfy the first condition, the second condition, and the third condition at the same time, the process proceeds to S105.
In practical applications, the first condition may be, for example, a high-speed operation state of the engine, the second condition may be, for example, a non-high-load operation state of the engine, and the third condition may be, for example, a stop of the vehicle within a time period of 20S to 60S after the vehicle speed decreases to 120km/h or less, when the operation parameters include the exhaust temperature of the engine and the vehicle simultaneously satisfies the above three conditions, the post-operation request level acquired in S103 is decreased by one gear, for example, if the post-operation request level acquired in S103 is 3 stages, the operation request level is decreased to 2 stages when the above conditions are satisfied.
In practical applications, for example, the following algorithm can be used to determine whether the vehicle is in a high-load operation state:
the vehicle speed is filtered through low-pass filtering to obtain a filtered vehicle speed, the wheel end torque is filtered to obtain a filtered torque, whether the vehicle is in a high-load running state or not is determined through searching a preset table 5, wherein the table 5 is a mapping relation between the filtered vehicle speed and the torque and the load, when a value obtained through table lookup is 1, the vehicle is judged to be in the high-load state, and when the value obtained through table lookup is 0, the vehicle is judged to be in a non-high-load state.
TABLE 5 filtered vehicle speed and Torque to load mapping
In this embodiment, when the operation parameter includes the engine exhaust temperature, after it is determined that the engine is operating at a high speed but not at a high load, the post-operation level corresponding to the engine exhaust temperature is reduced, because the actual thermal damage does not require the determined air volume, and the accuracy and the practicability of the post-operation control of the fan are improved. The thermal damage in the present embodiment can be understood as thermal damage to the vehicle caused by high temperature.
As shown in fig. 4, an embodiment of the present invention further provides an engine fan after-running control system, including:
the acquisition module 201 is used for acquiring operation parameters before the vehicle is stopped and flamed out;
in this embodiment, the acquisition module is further configured to acquire an operation parameter within a preset time period before the vehicle is stopped and stalled; wherein the operating parameter includes at least one of an engine exhaust temperature, an engine water temperature, an engine torque, and an engine intake air temperature.
A first obtaining module 203, configured to obtain a post-operation request level corresponding to each of the operation parameters;
in this embodiment, the first obtaining module 203 further includes:
a first establishing unit 2031, configured to establish a first mapping relationship between the operation parameter and a subsequent operation request level in advance;
a post-operation request level obtaining unit 2033, configured to obtain, according to the first mapping relationship, a post-operation request level corresponding to the current operation parameter.
A second obtaining module 205, configured to obtain a duty ratio adjustment policy corresponding to a high-level post-operation request level;
in this embodiment, the second obtaining module 205 further includes:
a second establishing unit 2051, configured to establish a second mapping relationship between the post-operation request level and the duty ratio adjustment strategy in advance;
and a duty ratio adjustment strategy obtaining unit 2053, configured to obtain, according to the second mapping relationship, a duty ratio adjustment strategy corresponding to the post-operation request level with the higher level.
The adjusting module 207 is used for adjusting the duty ratio of the engine fan in different post-operation time periods according to the duty ratio adjusting strategy;
in this embodiment, the adjusting module 207 further includes:
a calculation unit 2071, for calculating the total operation time of the engine fan after operation;
a dividing unit 2073, configured to divide the total running time into a plurality of time periods;
an allocating unit 2075, configured to allocate a different duty cycle for each time segment according to the duty cycle adjustment strategy;
and a control unit 2077, configured to control the engine fan to operate at different duty ratios in different time periods.
As shown in FIG. 5, in some embodiments, the engine fan post-operation control system further comprises:
a first determination module 209 for determining whether the operating parameter comprises the engine exhaust temperature;
a second judging module 211, configured to, when a judgment result of the first judging module is yes, judge whether the vehicle satisfies the first condition, the second condition, and the third condition at the same time; the first condition is that the rotating speed of the engine is greater than a first preset threshold value, the second condition is that the load of the engine is lower than a second preset threshold value, and the third condition is that the vehicle stops within a preset time period after the vehicle speed is lower than a third preset threshold value;
and a degradation module 213, configured to perform degradation processing on the post-request level corresponding to the engine exhaust temperature when the determination result of the second determination module is yes.
It should be noted that the embodiments of the control system for controlling the operation after the fan of the engine correspond to the embodiments of the control method for controlling the operation after the fan of the engine one by one.
The embodiment of the invention also provides electronic equipment, and the electronic equipment is used for implementing the method for controlling the post-operation of the engine fan. The electronic device may be a terminal device such as a PC (personal computer), a mobile phone, a PDA (tablet personal computer), or a service device such as an application server and a cluster server. The internal structure of the electronic device may include, but is not limited to: a processor, a network interface, and a memory. The processor, the network interface and the memory in the electronic device may be connected by a bus or other means.
The processor (or CPU) is a computing core and a control core of the electronic device. The network interface may optionally include a standard wired interface, a wireless interface (e.g., WI-FI, mobile communication interface, etc.). Memory (Memory) is the Memory device in the device that holds programs and data. It is understood that the memory herein may be a high-speed RAM storage device, or may be a non-volatile storage device (non-volatile storage), such as at least one magnetic disk storage device; optionally, at least one memory device located remotely from the processor. The memory provides storage space that stores an operating system of the electronic device, which may include, but is not limited to: a Windows system (an operating system), a Linux system (an operating system), an Android system, an IOS system, etc., which are not limited in the present invention; also, one or more instructions, which may be one or more computer programs (including program code), are stored in the memory space and are adapted to be loaded and executed by the processor. In the embodiment of the present specification, the processor loads and executes one or more instructions stored in the memory to implement the method for controlling the after-fan operation of the engine according to the embodiment of the method.
The embodiment of the present invention further provides a storage medium, which may be disposed in an electronic device to store at least one instruction, at least one program, a code set, or an instruction set related to implementing the method for controlling the operation after the fan of the engine according to the embodiment of the present invention, where the at least one instruction, the at least one program, the code set, or the instruction set may be loaded and executed by a processor of the electronic device to implement the method for controlling the operation after the fan of the engine according to the embodiment of the present invention.
Optionally, in this embodiment, the storage medium may include, but is not limited to: a U-disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a removable hard disk, a magnetic or optical disk, and other various media capable of storing program codes.
It should be noted that: the precedence order of the above embodiments of the present invention is only for description, and does not represent the merits of the embodiments. And specific embodiments thereof have been described above. Other embodiments are within the scope of the following claims. In some cases, the actions or steps recited in the claims may be performed in a different order than in the embodiments and still achieve desirable results. In addition, the processes depicted in the accompanying figures do not necessarily require the particular order shown, or sequential order, to achieve desirable results. In some embodiments, multitasking and parallel processing may also be possible or may be advantageous.
The embodiments in the present specification are described in a progressive manner, and the same and similar parts among the embodiments are referred to each other, and each embodiment focuses on the differences from the other embodiments. In particular, as for the device, since it is basically similar to the method embodiment, the description is simple, and the relevant points can be referred to the partial description of the method embodiment.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (10)
1. A method of controlling engine fan after-run, the method comprising:
collecting operation parameters before the vehicle is stopped and flamed out;
acquiring a post-operation request grade corresponding to each operation parameter; the method specifically comprises the following steps: pre-establishing a first mapping relation between the operation parameters and the later operation request level; acquiring a post-operation request grade corresponding to the current operation parameter according to the first mapping relation; acquiring a duty ratio adjustment strategy corresponding to a high-grade post-operation request grade;
and adjusting the duty ratio of the engine fan in different post-operation time periods according to the duty ratio adjusting strategy.
2. The method of claim 1, wherein the collecting operating parameters before vehicle shutdown comprises:
collecting operation parameters in a preset time period before a vehicle is stopped and flamed out;
wherein the operating parameter includes at least one of an engine exhaust temperature, an engine water temperature, an engine torque, and an engine intake air temperature.
3. The method of claim 1,
the obtaining of the duty ratio adjustment strategy corresponding to the high-grade post-operation request grade comprises the following steps:
pre-establishing a second mapping relation between the post-operation request level and the duty ratio adjustment strategy;
and acquiring a duty ratio adjustment strategy corresponding to the high-grade post-operation request grade according to the second mapping relation.
4. The method of claim 1, wherein said adjusting a duty cycle of an engine fan for different post-operation time periods according to the duty cycle adjustment strategy comprises:
calculating the total running time of the engine fan after running;
dividing the total running time into a plurality of time periods;
distributing different duty ratios to each time period according to the duty ratio adjusting strategy;
and controlling the engine fan to operate according to different duty ratios in different time periods.
5. The method of claim 2, wherein after said obtaining a post-operation request level corresponding to each of said operational parameters, said method further comprises:
determining whether the operating parameter includes the engine exhaust temperature;
if so, judging whether the vehicle simultaneously meets a first condition, a second condition and a third condition; the first condition is that the rotating speed of the engine is greater than a first preset threshold value, the second condition is that the load of the engine is lower than a second preset threshold value, and the third condition is that the vehicle stops within a preset time period after the vehicle speed is lower than a third preset threshold value;
and if so, performing degradation processing on the post-operation request level corresponding to the exhaust temperature of the engine.
6. An engine fan post-operation control system, the system comprising:
the acquisition module is used for acquiring the operation parameters before the vehicle is stopped and flamed out;
the first acquisition module is used for acquiring the post-operation request grade corresponding to each operation parameter; the first obtaining module comprises: the first establishing unit is used for establishing a first mapping relation between the operation parameters and the later operation request level in advance; a post-operation request grade obtaining unit, configured to obtain a post-operation request grade corresponding to the current operation parameter according to the first mapping relationship;
the second acquisition module is used for acquiring a duty ratio adjustment strategy corresponding to the high-grade post-operation request grade;
and the adjusting module is used for adjusting the duty ratio of the engine fan in different post-operation time periods according to the duty ratio adjusting strategy.
7. The system of claim 6,
the second obtaining module includes:
the second establishing unit is used for pre-establishing a second mapping relation between the post-operation request level and the duty ratio adjusting strategy;
and the duty ratio adjustment strategy acquisition unit is used for acquiring a duty ratio adjustment strategy corresponding to the high-grade post-operation request grade according to the second mapping relation.
8. The system of claim 6, wherein the adjustment module comprises:
the calculating unit is used for calculating the total running time of the back running of the engine fan;
a dividing unit for dividing the total operation time into a plurality of time periods;
the distribution unit is used for distributing different duty ratios to each time period according to the duty ratio adjustment strategy;
and the control unit is used for controlling the engine fan to operate according to different duty ratios in different time periods.
9. The system of claim 6,
the acquisition module is further used for acquiring the operation parameters in a preset time period before the vehicle is stopped and flamed out; wherein the operating parameter comprises at least one of an engine exhaust temperature, an engine water temperature, an engine torque, and an engine intake temperature;
the system further comprises:
the first judgment module is used for judging whether the operation parameters comprise the exhaust temperature of the engine;
the second judging module is used for judging whether the vehicle simultaneously meets the first condition, the second condition and the third condition when the judging result of the first judging module is yes; the first condition is that the rotating speed of the engine is greater than a first preset threshold value, the second condition is that the load of the engine is lower than a second preset threshold value, and the third condition is that the vehicle stops within a preset time period after the vehicle speed is lower than a third preset threshold value;
and the degradation module is used for performing degradation processing on the post-operation request level corresponding to the exhaust temperature of the engine when the judgment result of the second judgment module is yes.
10. An electronic device, characterized in that the electronic device comprises:
a processor adapted to implement one or more instructions; and the number of the first and second groups,
a memory storing one or more instructions adapted to be loaded by the processor and to perform the engine fan after-run control method of any of claims 1-5.
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| CN201910435110.3A CN110107391B (en) | 2019-05-23 | 2019-05-23 | Engine fan post-operation control method and system and electronic equipment |
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| CN201910435110.3A CN110107391B (en) | 2019-05-23 | 2019-05-23 | Engine fan post-operation control method and system and electronic equipment |
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| CN110107391A CN110107391A (en) | 2019-08-09 |
| CN110107391B true CN110107391B (en) | 2020-10-16 |
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| CN110578595A (en) * | 2019-09-30 | 2019-12-17 | 深圳市元征科技股份有限公司 | engine fan control method, device, equipment and medium |
| CN114810320B (en) * | 2021-06-17 | 2023-05-12 | 长城汽车股份有限公司 | Two-stage fan control method, device, medium and equipment |
| CN113323902B (en) * | 2021-06-18 | 2022-09-09 | 中国第一汽车股份有限公司 | Control information determination method, operation control method and device for vehicle cooling fan |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161558A (en) * | 2011-12-14 | 2013-06-19 | 陕西欧舒特汽车股份有限公司 | Engine electronic fan cooling mechanism controlled by electronic control unit (ECU) |
| CN104110417A (en) * | 2013-04-16 | 2014-10-22 | 迪尔公司 | Work Vehicle With Improved Hydraulic Fluid Warm-up Using Hydraulic Fan Reversal |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6126079A (en) * | 1999-07-15 | 2000-10-03 | Deere & Company | Fan control |
| JP5725831B2 (en) * | 2010-12-15 | 2015-05-27 | 愛三工業株式会社 | Engine cooling system |
| JP6064772B2 (en) * | 2013-04-26 | 2017-01-25 | 日産自動車株式会社 | Electric fan control device |
| CN203614200U (en) * | 2013-11-11 | 2014-05-28 | 北汽福田汽车股份有限公司 | Engine cooling system for vehicle and vehicle with same |
| CN103790687B (en) * | 2014-02-13 | 2016-08-31 | 中国第一汽车股份有限公司 | Continuously adjustabe fan control device and control system |
| CN104298280B (en) * | 2014-09-01 | 2017-03-01 | 潍柴动力股份有限公司 | A kind of engineering machinery halt control method and device |
| CN106640324B (en) * | 2017-01-03 | 2019-03-19 | 北京长安汽车工程技术研究有限责任公司 | A kind of control method and control device of electronic vehicle fan |
-
2019
- 2019-05-23 CN CN201910435110.3A patent/CN110107391B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103161558A (en) * | 2011-12-14 | 2013-06-19 | 陕西欧舒特汽车股份有限公司 | Engine electronic fan cooling mechanism controlled by electronic control unit (ECU) |
| CN104110417A (en) * | 2013-04-16 | 2014-10-22 | 迪尔公司 | Work Vehicle With Improved Hydraulic Fluid Warm-up Using Hydraulic Fan Reversal |
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