CN114856791B - Electronic control silicone oil fan control method and device and electronic equipment - Google Patents
Electronic control silicone oil fan control method and device and electronic equipment Download PDFInfo
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- CN114856791B CN114856791B CN202210505838.0A CN202210505838A CN114856791B CN 114856791 B CN114856791 B CN 114856791B CN 202210505838 A CN202210505838 A CN 202210505838A CN 114856791 B CN114856791 B CN 114856791B
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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
- F01P7/04—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio
- F01P7/042—Controlling of coolant flow the coolant being cooling-air by varying pump speed, e.g. by changing pump-drive gear ratio using fluid couplings
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Abstract
The application discloses a control method and device for an electrically controlled silicone oil fan and electronic equipment, wherein the method comprises the following steps: monitoring the value of the related parameters of the running state of the engine in real time; according to the corresponding relation between different values of the pre-established running state related parameters and the preset real-time rotating speed, determining the preset real-time rotating speed corresponding to the value of the current running state related parameters; if the determined preset real-time rotating speed belongs to a first rotating speed area in the pre-divided rotating speed areas, taking the preset real-time rotating speed as a reference real-time rotating speed, and controlling the fan to operate according to the reference real-time rotating speed; if the determined preset real-time rotating speed belongs to a second rotating speed area in the pre-divided rotating speed areas, determining a reference real-time rotating speed according to the current rotating speed of the engine and the second rotating speed area, and controlling the fan to operate according to the reference real-time rotating speed. The method reduces the deviation of the rotating speed of the fan, ensures that the fan operates stably in different rotating speed areas, reduces the overshoot of the fan, and achieves the purposes of reducing oil consumption and accurately controlling.
Description
Technical Field
The invention relates to the technical field of artificial intelligence control, in particular to a method and a device for controlling an electric control silicone oil fan and electronic equipment.
Background
In the running process of the automobile, the thermal state of the engine is continuously changed along with the change of the running environment and the working condition, and the thermal state of the engine needs to be regulated in real time to ensure normal running. For example, in hot summer, when the engine is operated at a low rotational speed and a large load for a long period of time, the temperature of the engine is high, and it is necessary to reduce the temperature thereof. At present, a silicone oil fan is mainly used for radiating the engine in a commercial vehicle, and the silicone oil fan is used as a medium for transmitting torque and then driving the fan to rotate.
In the actual test process, when the electric control silicone oil fan is controlled, the rotating speed range of the engine is wider, the rotating speed controlled by the fan is also wider, and the whole rotating speed area range of the electric control silicone oil fan cannot be controlled well at present, so that the oil consumption is high and the electric control silicone oil fan cannot be controlled accurately.
Disclosure of Invention
The application aims to provide a control method and device for an electrically controlled silicone oil fan and electronic equipment. The control device is used for solving the problems that when the electric control silicone oil fan is controlled in the prior art, the rotating speed range of the engine is wider, the rotating speed of the fan is also very wide, the whole rotating speed range of the electric control silicone oil fan cannot be controlled well at present, and the oil consumption is high and the electric control silicone oil fan cannot be controlled accurately.
In a first aspect, an embodiment of the present application provides a method for controlling an electrically controlled silicone oil fan, where the method includes:
monitoring the value of the related parameters of the running state of the engine in real time;
according to the corresponding relation between different values of the pre-established running state related parameters and the preset real-time rotating speed, determining the preset real-time rotating speed corresponding to the value of the current running state related parameters;
if the determined preset real-time rotating speed belongs to a first rotating speed area in the pre-divided rotating speed areas, taking the preset real-time rotating speed as a reference real-time rotating speed, and controlling the fan to operate according to the reference real-time rotating speed;
if the determined preset real-time rotating speed belongs to a second rotating speed area in the pre-divided rotating speed areas, determining a reference real-time rotating speed according to the current rotating speed of the engine and the second rotating speed area, and controlling the operation of the fan according to the reference real-time rotating speed;
wherein the rotational speed region includes a first rotational speed region and a plurality of second rotational speed regions.
In some possible embodiments, monitoring the value of the engine operating state related parameter in real time includes:
the engine water temperature and the engine intake air temperature in the engine running state are monitored in real time.
In some possible embodiments, determining the preset real-time rotation speed corresponding to the value of the current running state related parameter according to the corresponding relation between the different values of the pre-established running state related parameter and the preset real-time rotation speed includes:
acquiring a first preset real-time rotating speed corresponding to different preset engine water temperature temperatures and a second preset real-time rotating speed corresponding to different engine air inlet temperatures, and determining the first preset real-time rotating speed corresponding to the current engine water temperature and the second preset real-time rotating speed corresponding to the current engine air inlet temperature;
and determining the maximum value of the determined first preset real-time rotating speed and the second preset real-time rotating speed as the preset real-time rotating speed corresponding to the value of the related parameter of the current running state.
In some possible embodiments, the first preset region is a middle rotation region that is greater than a first preset rotation speed and less than a second preset rotation speed, the second rotation speed region includes a low rotation speed region with a maximum value less than the first rotation speed region and a high rotation speed region with a minimum value greater than the first rotation speed region, the first preset rotation speed is a rotation speed greater than a minimum rotation speed set amplitude, and the second preset rotation speed is a rotation speed less than a maximum rotation speed set amplitude.
In some possible embodiments, the determined preset real-time rotational speed belongs to a first rotational speed region/a second rotational speed region among the pre-divided rotational speed regions, comprising:
when the determined preset real-time rotating speed is between the first calculated rotating speed and the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a middle rotating speed area;
when the determined preset real-time rotating speed is smaller than the first calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a low rotating speed area in the second rotating speed area;
when the determined preset real-time rotating speed is larger than the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a high rotating speed area in the second rotating speed area;
the first calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and a first coefficient, the second calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and a second coefficient, the second coefficient is larger than the first coefficient, the highest rotating speed which can be achieved by the fan is determined according to the rotating speed of the engine, the fan speed ratio and a fan sliding value used for representing loss, and the fan speed ratio is the ratio of the rotating speed of the fan input shaft to the rotating speed of the engine.
In some possible embodiments, determining the reference real-time speed from the current engine speed and the associated second speed region includes:
when the second rotating speed area is a low rotating speed area, determining a reference real-time rotating speed through the product of the first coefficient and the highest rotating speed which can be achieved by the fan;
and when the second rotating speed area is a high rotating speed area and the current engine water temperature is greater than a threshold value, determining the highest rotating speed which can be achieved by the fan as a reference real-time rotating speed.
In some possible embodiments, when the second rotation speed region is a low rotation speed region, determining the reference real-time rotation speed by a product of the first coefficient and a highest rotation speed achievable by the fan includes:
when the second rotating speed area is a low rotating speed area and the current rotating speed of the fan is increased, determining a reference real-time rotating speed through the product of the first coefficient and the highest rotating speed which can be achieved by the fan;
when the second rotating speed area is a low rotating speed area and the current rotating speed of the fan is reduced, subtracting a set hysteresis value to obtain a reference real-time rotating speed after multiplying the first coefficient by the highest rotating speed which can be achieved by the fan.
In some possible embodiments, the range of values of the first coefficient and the second coefficient is 0-1.
In a second aspect, an embodiment of the present application provides an electrically controlled silicone oil fan control device, where the device includes:
the detection module is used for monitoring the value of the related parameters of the running state of the engine in real time;
the preset real-time rotating speed determining module is used for determining the preset real-time rotating speed corresponding to the value of the related parameter of the current running state according to the corresponding relation between the different values of the related parameter of the running state and the preset real-time rotating speed;
the first control module is used for taking the preset real-time rotating speed as a reference real-time rotating speed and controlling the operation of the fan according to the reference real-time rotating speed if the determined preset real-time rotating speed belongs to a first rotating speed area in a pre-divided rotating speed area;
the second control module is used for determining a reference real-time rotating speed according to the current engine rotating speed and the second rotating speed area to which the current engine rotating speed belongs and controlling the operation of the fan according to the reference real-time rotating speed if the determined preset real-time rotating speed belongs to the second rotating speed area in the pre-divided rotating speed areas;
wherein the rotational speed region includes a first rotational speed region and a plurality of second rotational speed regions.
In a third aspect, embodiments of the present application provide an electronic device comprising at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of electrically controlled silicone oil fan control provided in the first aspect.
In a fourth aspect, embodiments of the present application provide a computer storage medium storing a computer program for causing a computer to execute the method for controlling the electrically controlled silicone oil fan provided in the first aspect.
In order to solve the problem that when the electric control silicone oil fan is controlled, the rotating speed range of an engine is wider, the rotating speed of fan control is also very wide, and the whole rotating speed range of the electric control silicone oil fan cannot be controlled well at present, so that the oil consumption is high and the electric control silicone oil fan cannot be accurately controlled.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments of the present application will be briefly described below, and it is obvious that the drawings that are described below are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a calibration diagram of an electrically controlled silicone oil fan according to one embodiment of the present application;
FIG. 2 is a control diagram of a low speed region of an electrically controlled silicone oil fan in accordance with one embodiment of the present application;
FIG. 3 is a schematic flow chart of electrically controlled silicone oil fan control according to one embodiment of the present application;
FIG. 4 is an overall flow chart of electrically controlled silicone oil fan control according to one embodiment of the present application;
FIG. 5 is a schematic diagram of a control device for electrically controlled silicone oil fans according to one embodiment of the present application;
fig. 6 is a schematic structural diagram of an electronic device according to an embodiment of the present application.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and thoroughly described below with reference to the accompanying drawings. In the description of the embodiments of the present application, unless otherwise indicated, "/" means or, for example, a/B may represent a or B; the text "and/or" is merely an association relation describing the associated object, and indicates that three relations may exist, for example, a and/or B may indicate: the three cases where a exists alone, a and B exist together, and B exists alone, and in addition, in the description of the embodiments of the present application, "plural" means two or more than two.
In the description of the embodiments of the present application, unless otherwise indicated, the term "plurality" refers to two or more, and other words and phrases are to be understood and appreciated that the preferred embodiments described herein are for illustration and explanation of the present application only and are not intended to limit the present application, and embodiments of the present application and features of the embodiments may be combined with each other without conflict.
In order to further explain the technical solutions provided in the embodiments of the present application, the following details are described with reference to the accompanying drawings and the detailed description. Although the embodiments of the present application provide the method operational steps as shown in the following embodiments or figures, more or fewer operational steps may be included in the method based on routine or non-inventive labor. In steps where there is logically no necessary causal relationship, the execution order of the steps is not limited to the execution order provided by the embodiments of the present application. The methods may be performed sequentially or in parallel as shown in the embodiments or the drawings when the actual processing or the control device is executing.
In view of the problems that when the electric control silicone oil fan is controlled by the related technology, the rotating speed range of the engine is wider, the rotating speed of the fan is also wider, and the whole rotating speed area range of the electric control silicone oil fan cannot be controlled well at present, so that the oil consumption is high and the electric control silicone oil fan cannot be controlled accurately. The application provides a control method and device for an electric control silicone oil fan and electronic equipment, which can reduce overshoot of the electric control silicone oil fan and accurately control the electric control silicone oil fan so as to realize oil consumption reduction.
Additional features and advantages of the application will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the application. The objectives and other advantages of the application will be realized and attained by the structure particularly pointed out in the written description and claims thereof as well as the appended drawings.
The following describes the control method of the electrically controlled silicone oil fan in the embodiment of the present application in detail with reference to the accompanying drawings. And (3) injection: all references to "fans" in this application refer to "electrically controlled silicone oil fans".
As shown in fig. 1, the calibration of a fan of a certain model is shown in fig. 1, the abscissa is the water temperature of an engine, the ordinate is the fan set rotating speed, the fan set rotating speed N1 at T1 ℃ and the fan set rotating speed N2 at T2 ℃, the fan is controlled to start to work when the rotating speed of the fan along with the engine is between N1 and N2, and the water temperature is between T1 ℃ and T2 ℃, so that the problem of fan overshoot can occur.
Referring to fig. 2, a current diagram of low rotational speed control of an electrically controlled silicone oil fan according to one embodiment of the present application is shown.
Fig. 2 is a control diagram of the electrically controlled silicone oil fan when the rotational speed is in a low rotational speed region, the abscissa is time, the ordinate is rotational speed and engine water temperature, the fan setting rotational speed in the diagram is a curve with middle being close to horizontal, the fan actual rotational speed is a curve with the top on the diagram, the change of the engine water temperature is a curve with the bottom on the diagram, when the fan rotational speed is in a low rotational speed region, the situation that the fan setting rotational speed is very low but the fan actual rotational speed suddenly rises can appear, the fan actual rotational speed suddenly rises has influence on the engine water temperature, the engine water temperature is suddenly and greatly reduced, the engine is influenced, and excessive oil consumption is also caused.
Fig. 3 shows a flow chart of a control method of an electrically controlled silicone oil fan according to an embodiment of the present application, including:
step 301: and monitoring the value of the related parameters of the running state of the engine in real time.
As an alternative embodiment, the engine water temperature and the engine intake air temperature in the engine operating state are monitored in real time.
The relevant parameters include an engine water temperature and an engine intake air temperature.
As the running state of the automobile is different, the running state of the engine is also different, so the water temperature of the engine and the air inlet temperature of the engine are also changed in real time.
Step 302: and determining the preset real-time rotating speed corresponding to the value of the related parameter of the current running state according to the corresponding relation between the different values of the related parameter of the running state and the preset real-time rotating speed.
Specifically, when the engine water temperature and the engine air inlet temperature are different in value, the corresponding preset real-time rotating speeds of the fans are also different, the corresponding relation between different engine water temperatures and the corresponding relation between the engine air inlet temperature and the preset real-time rotating speeds are established by experiments in advance by default, and the preset real-time rotating speeds are obtained by adding the real-time monitored engine water temperature and the real-time monitored engine air inlet temperature to the corresponding pre-established corresponding relation.
Step 303: and if the determined preset real-time rotating speed belongs to a first rotating speed area in the pre-divided rotating speed areas, taking the preset real-time rotating speed as a reference real-time rotating speed, and controlling the fan to operate according to the reference real-time rotating speed.
Step 304: if the determined preset real-time rotating speed belongs to a second rotating speed area in the pre-divided rotating speed areas, determining a reference real-time rotating speed according to the current rotating speed of the engine and the second rotating speed area, and controlling the operation of the fan according to the reference real-time rotating speed.
Reference is made to real-time rotational speed: when the fan is controlled according to the reference real-time rotating speed, the fan can be in a stable running state, the overshoot phenomenon can not occur, and the reference real-time rotating speed is the final rotating speed of the fan.
The rotating speed of the fan is divided into a first rotating speed area and a second rotating speed area in advance according to the rotating speed of the fan.
As an alternative embodiment, the first preset area is a middle rotation speed area larger than a first preset rotation speed and smaller than a second preset rotation speed, the second rotation speed area includes a low rotation speed area with a maximum value smaller than the first rotation speed area and a high rotation speed area with a minimum value larger than the first rotation speed area, the first preset rotation speed is a rotation speed larger than a minimum rotation speed set amplitude, and the second preset rotation speed is a rotation speed smaller than a maximum rotation speed set amplitude.
As an alternative embodiment, the determined preset real-time rotational speed belongs to a first rotational speed region/a second rotational speed region among the pre-divided rotational speed regions, comprising:
when the determined preset real-time rotating speed is between the first calculated rotating speed and the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a middle rotating speed area;
when the determined preset real-time rotating speed is smaller than the first calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a low rotating speed area in the second rotating speed area;
when the determined preset real-time rotating speed is larger than the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a high rotating speed area in the second rotating speed area;
the first calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and the first coefficient, and the second calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and the second coefficient.
The second coefficient is greater than the first coefficient, and the maximum rotational speed achievable by the fan is determined according to the engine rotational speed, a fan speed ratio, and a fan slip value for indicating loss, the fan speed ratio being a ratio of the fan input shaft rotational speed to the engine rotational speed.
As an alternative implementation manner, the range of values of the first coefficient and the second coefficient is 0-1.
Specifically, the first calculated rotation speed=coefficient 1 is the highest rotation speed that the fan can reach;
second calculated rotation speed = coefficient 2 x highest rotation speed achievable by the fan;
maximum fan achievable speed = engine speed x fan speed ratio x (1-fan slip);
the preset real-time rotating speed is smaller than the first calculated rotating speed, namely: presetting a real-time rotating speed-coefficient 1, wherein the highest rotating speed which can be achieved by the fan is less than 0;
the preset real-time rotating speed is larger than the second calculated rotating speed, namely: the real-time rotation speed-coefficient 2 is preset, and the highest rotation speed which can be achieved by the fan is more than 0.
Fan slip means that when the input is 1000 revolutions, the output may only be 990 revolutions, i.e. the fan loss value is 10 revolutions.
At present, the control of the fan rotating speed in a medium rotating speed area is relatively stable, and the overshoot phenomenon can occur for the control of the fan rotating speed in a low rotating speed area and a high rotating speed area.
If the determined preset real-time rotational speed belongs to the first rotational speed region, namely if the determined preset real-time rotational speed belongs to the intermediate rotational speed region, the preset real-time rotational speed is used as the reference real-time rotational speed.
If the determined preset real-time rotating speed belongs to a low rotating speed area or a high rotating speed area, the reference real-time rotating speed needs to be determined according to the real-time monitored engine rotating speed and the rotating speed area to which the reference real-time rotating speed belongs.
As an alternative embodiment, determining the reference real-time rotation speed according to the current rotation speed of the engine and the second rotation speed area comprises:
when the second rotating speed area is a low rotating speed area, determining a reference real-time rotating speed through the product of the first coefficient and the highest rotating speed which can be achieved by the fan;
and when the second rotating speed area is a high rotating speed area and the current engine water temperature is greater than a threshold value, determining the highest rotating speed which can be achieved by the fan as a reference real-time rotating speed.
Namely, when the preset real-time rotating speed of the fan belongs to a low rotating speed zone at the moment;
reference real-time speed = coefficient 1 the highest speed that the fan can reach.
When the preset real-time rotating speed of the fan belongs to a high rotating speed zone at the moment;
reference real-time speed = highest speed achievable by the fan.
By utilizing the method for controlling the rotation speed of the fan, the deviation of the rotation speed of the fan is reduced, and the fan can stably run in different rotation speed areas, so that the overshoot of the fan is reduced, and the purposes of reducing oil consumption and accurately controlling the fan are achieved.
As an optional implementation manner, determining the preset real-time rotation speed corresponding to the value of the current running state related parameter according to the corresponding relation between the different values of the pre-established running state related parameter and the preset real-time rotation speed, includes:
acquiring a first preset real-time rotating speed corresponding to different preset engine water temperature temperatures and a second preset real-time rotating speed corresponding to different engine air inlet temperatures, and determining the first preset real-time rotating speed corresponding to the current engine water temperature and the second preset real-time rotating speed corresponding to the current engine air inlet temperature;
and determining the maximum value of the determined first preset real-time rotating speed and the second preset real-time rotating speed as the preset real-time rotating speed corresponding to the value of the related parameter of the current running state.
Specifically, the fan rotation speed is monitored under different engine water temperatures in advance, and a first preset real-time rotation speed corresponding to the different engine water temperatures is obtained.
And monitoring the rotation speed of the fan under different engine air inlet temperatures in advance to obtain second preset real-time rotation speeds corresponding to the different engine air inlet temperatures.
Judging the magnitude of the first preset real-time rotating speed and the second preset real-time rotating speed, and taking the maximum value, wherein the maximum value is used for positioning the corresponding fan preset real-time rotating speed under the current vehicle running state.
As an alternative embodiment, when the second rotation speed region is a low rotation speed region, determining the reference real-time rotation speed by multiplying the first coefficient by the highest rotation speed achievable by the fan includes:
when the second rotating speed area is a low rotating speed area and the current rotating speed of the fan is increased, determining a reference real-time rotating speed through the product of the first coefficient and the highest rotating speed which can be achieved by the fan;
when the second rotating speed area is a low rotating speed area and the current rotating speed of the fan is reduced, subtracting a set hysteresis value to obtain a reference real-time rotating speed after multiplying the first coefficient by the highest rotating speed which can be achieved by the fan.
Specifically, the hysteresis value avoids frequent switching at the speed threshold, so when the preset real-time speed of the fan is in the low speed region:
when the fan speed increases, reference real-time speed = coefficient 1. Maximum speed that the fan can reach;
when the fan speed decreases, a reference real-time speed = coefficient 1. The highest speed that the fan can reach- Δn.
Referring to the overall flow chart of the electrically controlled silicone oil fan control shown in figure 4,
step 1: monitoring the water temperature of the engine and the air inlet temperature of the engine in the running state of the engine in real time, and determining a preset real-time rotating speed;
step 2: judging that the preset real-time rotating speed-coefficient 1 is higher than 0, if yes, executing the step 3, and if not, controlling the fan according to the step 4;
specifically, step 2 determines whether the preset real-time rotational speed is in the medium rotational speed region or the high rotational speed region.
Step 3: judging that the preset real-time rotation speed-coefficient 2 is higher than 0 and the maximum rotation speed which can be achieved by the fan is higher than a threshold value, if so, controlling the fan according to the step 5, and if not, controlling the fan according to the step 6;
step 4: reference real-time speed = coefficient 1 maximum speed that the fan can reach;
step 5: reference real-time speed = highest speed achievable by the fan;
step 6: reference real-time rotational speed = preset real-time rotational speed.
Example 2
Based on the same inventive concept, the present application further provides an electrically controlled silicone oil fan control device, as shown in fig. 5, which includes:
the detection module 501 is used for monitoring the value of the related parameter of the running state of the engine in real time;
the preset real-time rotating speed determining module 502 is configured to determine a preset real-time rotating speed corresponding to a value of a current running state related parameter according to a corresponding relationship between different values of the pre-established running state related parameter and the preset real-time rotating speed;
a control module 503, configured to control the operation of the fan according to the reference real-time rotation speed by using the preset real-time rotation speed as the reference real-time rotation speed if the determined preset real-time rotation speed belongs to a first rotation speed region in the pre-divided rotation speed regions;
if the determined preset real-time rotating speed belongs to a second rotating speed area in the pre-divided rotating speed areas, determining a reference real-time rotating speed according to the current rotating speed of the engine and the second rotating speed area, and controlling the operation of the fan according to the reference real-time rotating speed;
wherein the rotational speed region includes a first rotational speed region and a plurality of second rotational speed regions.
Optionally, the detection module 501 is specifically configured to:
the engine water temperature and the engine intake air temperature in the engine running state are monitored in real time.
Optionally, the module 502 for determining the preset real-time rotation speed is specifically configured to:
acquiring a first preset real-time rotating speed corresponding to different preset engine water temperature temperatures and a second preset real-time rotating speed corresponding to different engine air inlet temperatures, and determining the first preset real-time rotating speed corresponding to the current engine water temperature and the second preset real-time rotating speed corresponding to the current engine air inlet temperature;
and determining the maximum value of the determined first preset real-time rotating speed and the second preset real-time rotating speed as the preset real-time rotating speed corresponding to the value of the related parameter of the current running state.
Optionally, the first preset area is a middle rotation speed area larger than a first preset rotation speed and smaller than a second preset rotation speed, the second rotation speed area includes a low rotation speed area with a maximum value smaller than the first rotation speed area and a high rotation speed area with a minimum value larger than the first rotation speed area, the first preset rotation speed is a rotation speed larger than a minimum rotation speed set amplitude, and the second preset rotation speed is a rotation speed smaller than a maximum rotation speed set amplitude.
Optionally, the control module 503 is specifically configured to:
when the determined preset real-time rotating speed is between the first calculated rotating speed and the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a middle rotating speed area;
when the determined preset real-time rotating speed is smaller than the first calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a low rotating speed area in the second rotating speed area;
when the determined preset real-time rotating speed is larger than the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a high rotating speed area in the second rotating speed area;
the first calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and a first coefficient, the second calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and a second coefficient, the second coefficient is larger than the first coefficient, the highest rotating speed which can be achieved by the fan is determined according to the rotating speed of the engine, the fan speed ratio and a fan sliding value used for representing loss, and the fan speed ratio is the ratio of the rotating speed of the fan input shaft to the rotating speed of the engine.
Optionally, the control module 503 is specifically configured to:
when the second rotating speed area is a low rotating speed area, determining a reference real-time rotating speed through the product of the first coefficient and the highest rotating speed which can be achieved by the fan;
and when the second rotating speed area is a high rotating speed area and the current engine water temperature is greater than a threshold value, determining the highest rotating speed which can be achieved by the fan as a reference real-time rotating speed.
Optionally, the control module 503 is specifically configured to:
when the second rotating speed area is a low rotating speed area and the current rotating speed of the fan is increased, determining a reference real-time rotating speed through the product of the first coefficient and the highest rotating speed which can be achieved by the fan;
when the second rotating speed area is a low rotating speed area and the current rotating speed of the fan is reduced, subtracting a set hysteresis value to obtain a reference real-time rotating speed after multiplying the first coefficient by the highest rotating speed which can be achieved by the fan.
Optionally, the value ranges of the first coefficient and the second coefficient are all 0-1.
Having described the method and apparatus for controlling an electrically controlled silicone oil fan according to an exemplary embodiment of the present application, next, an electronic device according to another exemplary embodiment of the present application is described.
Those skilled in the art will appreciate that the various aspects of the present application may be implemented as a system, method, or program product. Accordingly, aspects of the present application may be embodied in the following forms, namely: an entirely hardware embodiment, an entirely software embodiment (including firmware, micro-code, etc.) or an embodiment combining hardware and software aspects may be referred to herein as a "circuit," module "or" system.
In some possible implementations, an electronic device according to the present application may include at least one processor, and at least one memory. The memory stores program codes that, when executed by the processor, cause the processor to perform the steps in the electrically controlled silicone oil fan control method according to various exemplary embodiments of the present application described above in the present specification.
The electronic device 130 according to this embodiment of the present application, i.e. the above-described temperature prediction and decision device, is described below with reference to fig. 6. The electronic device 130 shown in fig. 6 is merely an example and should not be construed to limit the functionality and scope of use of embodiments of the present application in any way.
As shown in fig. 6, the electronic device 130 is in the form of a general-purpose electronic device. Components of electronic device 130 may include, but are not limited to: the at least one processor 131, the at least one memory 132, and a bus 133 connecting the various system components, including the memory 132 and the processor 131.
The electronic device 130 may also communicate with one or more external devices 134 (e.g., keyboard, pointing device, etc.), one or more devices that enable a user to interact with the electronic device 130, and/or any device (e.g., router, modem, etc.) that enables the electronic device 130 to communicate with one or more other electronic devices. Such communication may occur through an input/output (I/O) interface 135. Also, electronic device 130 may communicate with one or more networks such as a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet, through network adapter 136. As shown, network adapter 136 communicates with other modules for electronic device 130 over bus 133. It should be appreciated that although not shown, other hardware and/or software modules may be used in connection with electronic device 130, including, but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID systems, tape drives, data backup storage systems, and the like.
In some possible embodiments, aspects of an electrically controlled silicone oil fan control method provided herein may also be implemented in the form of a program product comprising program code for causing a computer device to carry out the steps of an electrically controlled silicone oil fan control method according to various exemplary embodiments of the present application as described herein above, when the program product is run on a computer device.
The program product may employ any combination of one or more readable media. The readable medium may be a readable signal medium or a readable storage medium. The readable storage medium can be, for example, but is not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or a combination of any of the foregoing. More specific examples (a non-exhaustive list) of the readable storage medium would include the following: an electrical connection having one or more wires, a portable disk, a hard disk, random Access Memory (RAM), read-only memory (ROM), erasable programmable read-only memory (EPROM or flash memory), optical fiber, portable compact disk read-only memory (CD-ROM), an optical storage device, a magnetic storage device, or any suitable combination of the foregoing.
The program product for monitoring of embodiments of the present application may employ a portable compact disc read only memory (CD-ROM) and include program code and may run on an electronic device. However, the program product of the present application is not limited thereto, and in this document, a readable storage medium may be any tangible medium that can contain, or store a program for use by or in connection with an instruction execution system, apparatus, or device.
The readable signal medium may include a data signal propagated in baseband or as part of a carrier wave with readable program code embodied therein. Such a propagated data signal may take any of a variety of forms, including, but not limited to, electro-magnetic, optical, or any suitable combination of the foregoing. A readable signal medium may also be any readable medium that is not a readable storage medium and that can communicate, propagate, or transport a program for use by or in connection with an instruction execution system, apparatus, or device.
Program code embodied on a readable medium may be transmitted using any appropriate medium, including but not limited to wireless, wireline, optical fiber cable, RF, etc., or any suitable combination of the foregoing.
Program code for carrying out operations of the present application may be written in any combination of one or more programming languages, including an object oriented programming language such as Java, C++ or the like and conventional procedural programming languages, such as the "C" programming language or similar programming languages. The program code may execute entirely on the consumer electronic device, partly on the consumer electronic device, as a stand-alone software package, partly on the consumer electronic device, partly on the remote electronic device, or entirely on the remote electronic device or server. In the case of remote electronic devices, the remote electronic device may be connected to the consumer electronic device through any kind of network, including a Local Area Network (LAN) or a Wide Area Network (WAN), or may be connected to an external electronic device (e.g., connected through the internet using an internet service provider).
It should be noted that although several units or sub-units of the apparatus are mentioned in the above detailed description, such a division is merely exemplary and not mandatory. Indeed, the features and functions of two or more of the elements described above may be embodied in one element in accordance with embodiments of the present application. Conversely, the features and functions of one unit described above may be further divided into a plurality of units to be embodied.
Furthermore, although the operations of the methods of the present application are depicted in the drawings in a particular order, this is not required to or suggested that these operations must be performed in this particular order or that all of the illustrated operations must be performed in order to achieve desirable results. Additionally or alternatively, certain steps may be omitted, multiple steps combined into one step to perform, and/or one step decomposed into multiple steps to perform.
It will be appreciated by those skilled in the art that embodiments of the present application may be provided as a method, system, or computer program product. Accordingly, the present application may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present application may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, CD-ROM, optical storage, and the like) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flowchart and/or block of the flowchart and block diagrams, and combinations of flowcharts and block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and block diagram block or blocks.
While preferred embodiments of the present application have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. It is therefore intended that the following claims be interpreted as including the preferred embodiments and all such alterations and modifications as fall within the scope of the application.
It will be apparent to those skilled in the art that various modifications and variations can be made in the present application without departing from the spirit or scope of the application. Thus, if such modifications and variations of the present application fall within the scope of the claims and the equivalents thereof, the present application is intended to cover such modifications and variations.
Claims (9)
1. A method for controlling an electrically controlled silicone oil fan, the method comprising:
monitoring the value of the related parameters of the running state of the engine in real time;
according to the corresponding relation between different values of the pre-established running state related parameters and the preset real-time rotating speed, determining the preset real-time rotating speed corresponding to the value of the current running state related parameters;
if the determined preset real-time rotating speed is between the first calculated rotating speed and the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a middle rotating speed area, taking the preset real-time rotating speed as a reference real-time rotating speed, and controlling the operation of the fan according to the reference real-time rotating speed;
if the determined preset real-time rotating speed is smaller than the first calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a low rotating speed region in the second rotating speed region; or if the determined preset real-time rotating speed is larger than the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a high rotating speed region in the second rotating speed region, determining a reference real-time rotating speed according to the current engine rotating speed and the second rotating speed region, and controlling the operation of the fan according to the reference real-time rotating speed;
wherein the rotational speed region includes a first rotational speed region and a plurality of second rotational speed regions;
the first rotating speed region is a middle rotating speed region which is larger than a first preset rotating speed and smaller than a second preset rotating speed, the second rotating speed region comprises a low rotating speed region with the maximum value smaller than the first rotating speed region and a high rotating speed region with the minimum value larger than the first rotating speed region, the first preset rotating speed is a rotating speed larger than the minimum rotating speed set amplitude, and the second preset rotating speed is a rotating speed smaller than the maximum rotating speed set amplitude;
the first calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and a first coefficient, the second calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and a second coefficient, the second coefficient is larger than the first coefficient, the highest rotating speed which can be achieved by the fan is determined according to the rotating speed of the engine, the speed ratio of the fan and a sliding value of the fan for representing loss, and the speed ratio of the fan is the ratio of the rotating speed of the fan input shaft to the rotating speed of the engine.
2. The method of claim 1, wherein monitoring the value of the engine operating state related parameter in real time comprises:
the engine water temperature and the engine intake air temperature in the engine running state are monitored in real time.
3. The method according to claim 2, wherein determining the preset real-time rotational speed corresponding to the value of the current operation state-related parameter according to the pre-established correspondence between the different values of the operation state-related parameter and the preset real-time rotational speed comprises:
acquiring a first preset real-time rotating speed corresponding to different preset engine water temperature temperatures and a second preset real-time rotating speed corresponding to different engine air inlet temperatures, and determining the first preset real-time rotating speed corresponding to the current engine water temperature and the second preset real-time rotating speed corresponding to the current engine air inlet temperature;
and determining the maximum value of the determined first preset real-time rotating speed and the second preset real-time rotating speed as the preset real-time rotating speed corresponding to the value of the related parameter of the current running state.
4. The method of claim 1, wherein determining the reference real-time speed based on the current engine speed and the associated second speed region comprises:
when the second rotating speed area is a low rotating speed area, determining a reference real-time rotating speed through the product of the first coefficient and the highest rotating speed which can be achieved by the fan;
and when the second rotating speed area is a high rotating speed area and the current engine water temperature is greater than a threshold value, determining the highest rotating speed which can be achieved by the fan as a reference real-time rotating speed.
5. The method of claim 4, wherein determining the reference real-time rotational speed by multiplying the first coefficient by the highest rotational speed achievable by the fan when the second rotational speed region is the low rotational speed region comprises:
when the second rotating speed area is a low rotating speed area and the current rotating speed of the fan is increased, determining a reference real-time rotating speed through the product of the first coefficient and the highest rotating speed which can be achieved by the fan;
when the second rotating speed area is a low rotating speed area and the current rotating speed of the fan is reduced, subtracting a set hysteresis value to obtain a reference real-time rotating speed after multiplying the first coefficient by the highest rotating speed which can be achieved by the fan.
6. The method of any one of claims 1-5, wherein the first coefficient and the second coefficient are both in the range of 0-1.
7. An electrically controlled silicone oil fan control device, comprising:
the detection module is used for monitoring the value of the related parameters of the running state of the engine in real time;
the preset real-time rotating speed determining module is used for determining the preset real-time rotating speed corresponding to the value of the related parameter of the current running state according to the corresponding relation between the different values of the related parameter of the running state and the preset real-time rotating speed;
the first control module is used for judging that the determined preset real-time rotating speed belongs to a middle rotating speed area when the determined preset real-time rotating speed is between a first calculated rotating speed and a second calculated rotating speed, taking the preset real-time rotating speed as a reference real-time rotating speed, and controlling the fan to operate according to the reference real-time rotating speed;
the second control module is used for judging that the determined preset real-time rotating speed belongs to a low rotating speed region in a second rotating speed region if the determined preset real-time rotating speed is smaller than the first calculated rotating speed; or if the determined preset real-time rotating speed is larger than the second calculated rotating speed, judging that the determined preset real-time rotating speed belongs to a high rotating speed region in the second rotating speed region, determining a reference real-time rotating speed according to the current engine rotating speed and the second rotating speed region, and controlling the operation of the fan according to the reference real-time rotating speed;
wherein the rotational speed region includes a first rotational speed region and a plurality of second rotational speed regions;
the first rotating speed region is a middle rotating speed region which is larger than a first preset rotating speed and smaller than a second preset rotating speed, the second rotating speed region comprises a low rotating speed region with the maximum value smaller than the first rotating speed region and a high rotating speed region with the minimum value larger than the first rotating speed region, the first preset rotating speed is a rotating speed larger than the minimum rotating speed set amplitude, and the second preset rotating speed is a rotating speed smaller than the maximum rotating speed set amplitude;
the first calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and a first coefficient, the second calculated rotating speed is the product of the highest rotating speed which can be achieved by the fan and a second coefficient, the second coefficient is larger than the first coefficient, the highest rotating speed which can be achieved by the fan is determined according to the rotating speed of the engine, the speed ratio of the fan and a sliding value of the fan for representing loss, and the speed ratio of the fan is the ratio of the rotating speed of the fan input shaft to the rotating speed of the engine.
8. An electronic device comprising at least one processor; and a memory communicatively coupled to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform the method of any one of claims 1-6.
9. A computer storage medium, characterized in that the computer storage medium stores a computer program for causing a computer to perform the method according to any one of claims 1-6.
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| CN202210505838.0A CN114856791B (en) | 2022-05-10 | 2022-05-10 | Electronic control silicone oil fan control method and device and electronic equipment |
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| CN202210505838.0A CN114856791B (en) | 2022-05-10 | 2022-05-10 | Electronic control silicone oil fan control method and device and electronic equipment |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR19980078357A (en) * | 1997-04-28 | 1998-11-16 | 배순훈 | Cooling fan motor control method and device by variable speed control |
| JP4785715B2 (en) * | 2006-11-17 | 2011-10-05 | 株式会社小松製作所 | Cooling fan drive control device |
| JP5119481B2 (en) * | 2006-11-30 | 2013-01-16 | 株式会社小松製作所 | Control device for fan for cooling vehicle |
| KR20210155263A (en) * | 2020-06-15 | 2021-12-22 | 현대자동차주식회사 | Apparatus for controlling engine cooling of a vehicle, system having the same and method thereof |
| CN111911277A (en) * | 2020-08-25 | 2020-11-10 | 三一汽车制造有限公司 | Silicone oil fan control device and method and road roller |
| CN112523857A (en) * | 2020-11-30 | 2021-03-19 | 中国第一汽车股份有限公司 | Control method, device, storage medium and system of electric control silicone oil mechanical fan |
| CN112963237B (en) * | 2021-03-17 | 2022-04-26 | 潍柴动力股份有限公司 | Method, device and equipment for detecting running state of electric control silicone oil clutch |
| CN113530660A (en) * | 2021-07-27 | 2021-10-22 | 上海华兴数字科技有限公司 | Electric control silicone oil fan control method and system |
| CN113530659B (en) * | 2021-08-09 | 2022-07-15 | 潍柴动力股份有限公司 | Fan control method and device, electronic equipment and medium |
| CN113586223B (en) * | 2021-08-27 | 2022-11-29 | 潍柴动力股份有限公司 | Rotating speed control method and device of electric control silicone oil fan and vehicle |
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