CN113212153B - Method, device, equipment and storage medium for high-low speed operation of fan - Google Patents
Method, device, equipment and storage medium for high-low speed operation of fan Download PDFInfo
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- CN113212153B CN113212153B CN202110405777.6A CN202110405777A CN113212153B CN 113212153 B CN113212153 B CN 113212153B CN 202110405777 A CN202110405777 A CN 202110405777A CN 113212153 B CN113212153 B CN 113212153B
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- 238000000034 method Methods 0.000 title claims abstract description 48
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 313
- 238000012937 correction Methods 0.000 claims description 45
- 238000004590 computer program Methods 0.000 claims description 15
- 238000004364 calculation method Methods 0.000 claims description 8
- 230000005855 radiation Effects 0.000 abstract description 4
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- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 238000003491 array Methods 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/40—Engine management systems
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Abstract
The application relates to a method, a device, equipment and a storage medium for high-low speed operation of a fan, wherein the method comprises the following steps: obtaining corrected water temperature by acquiring the water temperature after shutdown and correcting the water temperature; determining the current state of the fan according to the corrected water temperature; if the fan is in a closed state at present, acquiring the slope of a water temperature curve of the water temperature; and starting the fan according to the corrected water temperature and the slope of the water temperature curve, and determining the operation mode of the fan. Therefore, according to the technical scheme, the water temperature and the slope of the water temperature curve are corrected to be used as the fan starting mode and the fan operation mode, and high-heat-damage-risk parts such as an engine cover, a lower air window trim plate and the like are protected from being damaged by high-temperature radiation.
Description
Technical Field
The present disclosure relates to the field of heat dissipation control technologies, and in particular, to a method and an apparatus for operating a fan at high and low speeds, a computer device, and a computer-readable storage medium.
Background
In the field of automobiles, vehicles are in a static state after being stopped and flamed out, rapid convection cooling with outside air is lost in an engine room, and if the temperature of an engine body is too high in the scene, the components can be rapidly radiated to surrounding high-heat-damage-risk components such as an engine cover, a lower decorative plate of an air window and the like, so that the temperature of the components is too high (the temperature is more than 200 ℃), and the components are melted when the temperature exceeds the use temperature of materials.
However, currently, a fan is installed in a cabin of an automobile engine, but the on-state and the on-time of the fan are determined according to the water temperature of the engine when the engine is electrically stopped. When the engine is stopped, the water temperature of the engine is high, a high-speed running mode of the fan is started, and the running time of the fan is long; the water temperature of the engine is low, the low-speed running mode of the fan is started, and the running time of the fan is short. However, in actual operation tests, it is found that under a heavy-load climbing condition, the vehicle runs at a relatively high speed (more than 40 km/h), the water temperature is not high when the vehicle is stopped and is only about 98 degrees, according to the existing strategy, the fan cannot be turned on, but the water temperature of the engine rapidly rises after the vehicle is stopped, and the temperature of engine accessory parts exceeds the use temperature, so that the existing water temperature only at the time of the vehicle is taken as an evaluation basis for a high-speed fan turning-on operation mode or a low-speed fan operation mode, and high-heat-damage risk parts such as an engine cover, a lower decorative plate of a windshield and the like cannot be protected.
Disclosure of Invention
The present application mainly aims to provide a method, an apparatus, a computer device and a computer readable storage medium for high and low speed operation of a fan, and aims to solve the technical problem that the existing method only uses the water temperature during shutdown as the evaluation basis for the high speed operation mode or the low speed operation mode of the fan, and cannot protect high heat damage risk components such as an engine cover, a lower trim of an air window, and the like.
In a first aspect, the present application provides a high-low speed operation method for a fan, including the following steps:
acquiring water temperature during shutdown, and correcting the water temperature to obtain corrected water temperature;
determining the current state of the fan according to the corrected water temperature;
if the fan is in a closed state at present, acquiring the slope of a water temperature curve of the water temperature;
and starting the fan according to the corrected water temperature and the slope of the water temperature curve, and determining the operation mode of the fan.
In a second aspect, the present application further provides a high-low speed fan operating device, including:
the correction module is used for acquiring the water temperature after shutdown and correcting the current water temperature to obtain a corrected water temperature;
the determining module is used for determining the current state of the fan according to the corrected water temperature;
the calculation module is used for acquiring the slope of a water temperature curve of the water temperature if the fan is in a closed state at present;
and the starting and determining module is used for starting the fan according to the corrected water temperature and the slope of the water temperature curve and determining the operation mode of the fan.
In a third aspect, the present application further provides a computer device, which includes a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein when the computer program is executed by the processor, the steps of the method for operating a fan at high and low speeds are implemented.
In a fourth aspect, the present application further provides a computer-readable storage medium, having a computer program stored thereon, where the computer program, when executed by a processor, implements the steps of the method for operating a fan at high and low speeds as described above.
The application discloses a method, a device and equipment for high-low speed operation of a fan and a readable storage medium, wherein the water temperature after shutdown is obtained, and the water temperature is corrected to obtain the corrected water temperature; determining the current state of the fan according to the corrected water temperature; if the fan is in a closed state at present, acquiring the slope of a water temperature curve of the water temperature; and starting the fan according to the corrected water temperature and the slope of the water temperature curve, and determining the operation mode of the fan. Therefore, according to the technical scheme, the water temperature and the water temperature curve slope are corrected to be used as the operation mode for starting the fan and determining the fan, and high-heat-damage-risk parts such as an engine cover, a lower air window trim plate and the like are protected from being damaged by high-temperature radiation.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic flow chart illustrating a method for operating a fan at high and low speeds according to an embodiment of the present disclosure;
FIG. 2 is a flow chart illustrating the sub-steps of the method for operating the fan of FIG. 1 at high and low speeds;
FIG. 3 is a flow chart illustrating the sub-steps of the method for operating the fan of FIG. 1 at high and low speeds;
FIG. 4 is a flow chart illustrating the sub-steps of the method for operating the fan of FIG. 1 at high and low speeds;
FIG. 5 is a flow chart illustrating the sub-steps of the method for operating the fan of FIG. 1 at high and low speeds;
FIG. 6 is a schematic flow chart illustrating another method for operating a fan at high and low speeds according to an embodiment of the present disclosure;
fig. 7 is a schematic block diagram of a method and an apparatus for operating a fan at high and low speeds according to an embodiment of the present disclosure;
fig. 8 is a block diagram schematically illustrating a structure of a computer device according to an embodiment of the present application.
The implementation, functional features and advantages of the objectives of the present application will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The flow diagrams depicted in the figures are merely illustrative and do not necessarily include all of the elements and operations/steps, nor do they necessarily have to be performed in the order depicted. For example, some operations/steps may be decomposed, combined or partially combined, so that the actual execution sequence may be changed according to the actual situation.
The embodiment of the application provides a method and a device for high-low speed operation of a fan, computer equipment and a computer readable storage medium. The method for operating the fan at high and low speeds can be applied to computer equipment, and the computer equipment can be electronic equipment such as a vehicle-mounted computer.
Some embodiments of the present application will be described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.
Referring to fig. 1, fig. 1 is a schematic flow chart illustrating a method for operating a fan at high and low speeds according to an embodiment of the present disclosure.
As shown in fig. 1, the method for operating the fan at high and low speeds includes steps S101 to S104.
And S101, acquiring water temperature during shutdown, and correcting the water temperature to obtain corrected water temperature.
Exemplarily, when the engine of the automobile is detected to be stopped, the current water temperature when the engine of the automobile is stopped is obtained, wherein the automobile comprises a commercial vehicle, a truck, a bridge vehicle and the like, and the mode of obtaining the water temperature comprises temperature information measured by using a measuring tool such as a thermometer, a thermostat and the like. For example, a thermometer for measuring temperature is previously disposed at a water tank of the engine, the thermometer measures the temperature of the water tank in real time, and when it is detected that the engine stops operating, the water temperature measured by the current thermometer is acquired. When the current water temperature is obtained, the corrected water temperature is obtained by correcting the water temperature, wherein the manner of correcting the water temperature comprises obtaining a preset water temperature section, wherein the preset water temperature section comprises a plurality of sections with different water temperatures, such as 0-10 ℃, 11-20 ℃, 21-30 ℃ and the like, and a corresponding corrected water temperature is set in advance for each section with the water temperature. When the water temperature is obtained, a target water temperature interval corresponding to the water temperature is determined through the preset water temperature interval, a corrected water temperature corresponding to the target water temperature interval is obtained, and the corrected water temperature corresponding to the target water temperature interval is used as the corrected water temperature of the water temperature.
In an embodiment, specifically referring to fig. 2, step S101 includes: sub-step S1011 to sub-step S1012.
And a substep S1011, obtaining a first preset correction coefficient and a second preset correction coefficient.
Exemplarily, a preset first preset correction coefficient and a preset second correction coefficient are obtained, and the preset first correction coefficient and the preset second correction coefficient are stored in a storage file or a block chain in advance. For example, a storage path of the storage file is obtained, and a first preset correction coefficient and a second preset correction coefficient stored in the storage file are obtained through the storage path; or, acquiring a preset block chain, and acquiring a first preset correction coefficient and a second preset correction coefficient from a common chain of the block chain.
According to the embodiment, the state information of the fan is detected when the current water temperature during shutdown is obtained, and the first preset correction coefficient is obtained through the state information of the fan. For example, the current fan state information is determined through the current water temperature detected by a preset thermostat, and if the current water temperature is less than 98 ℃, the current fan is determined to be in a closed state; if the current water temperature is higher than 98 ℃ and lower than or equal to 150 ℃, determining that the current fan is in a low-speed running mode in an opening state; and if the current water temperature is more than 150 ℃, determining that the current fan is in the on state and is in the high-speed operation mode. When the fan is determined to be in the closed state, acquiring a first preset correction coefficient corresponding to the closed state as 0; or, when the fan is determined to be in the low-speed operation mode, acquiring a first preset correction coefficient a corresponding to the low-speed operation mode1(ii) a When the fan is determined to be in the high-speed operation mode, acquiring a first preset correction coefficient a corresponding to the low-speed operation mode1Wherein, the a2Greater than a1And a is a1Is not 0.
And acquiring a vehicle running speed of a pre-recorded engine, and acquiring a second preset correction coefficient through the vehicle running speed. For example, the vehicle running speed v 1 minute before the engine stop is acquired, and if the vehicle running speed v is less than or equal to 10KM/h, the second preset correction coefficient b is acquired1(ii) a If the vehicle running speed v is more than 10KM/h and less than or equal to 30KM/h, acquiring a second preset correction coefficient b2(ii) a If the vehicle running speed v is greater than 30KM/h, acquiring a second preset correction coefficient b3Wherein the b1Greater than b2Greater than b3。
And a substep S1012, calculating the first preset correction coefficient, the second preset correction coefficient and the water temperature to obtain a corrected water temperature.
Exemplarily, when the first preset correction coefficient, the second preset correction coefficient and the water temperature are obtained, the calculated corrected water temperature is obtained by calculating the first preset correction coefficient, the second preset correction coefficient and the water temperature. In the embodiment, the preset correction formula a × b × t is obtained as t1Wherein a is a first preset correction coefficient, b is a second preset correction coefficient, t is water temperature, t1In order to correct the water temperature, the calculated corrected water temperature is obtained through a preset correction formula.
And step S102, determining the current state of the fan according to the corrected water temperature.
Exemplarily, when the correction water temperature is obtained, the current state of the fan is determined by the correction water temperature, and the state of the fan includes an on state and an off state. For example, determining whether the corrected water temperature is in a first preset water temperature interval, and if the corrected water temperature is in the first preset water temperature interval, determining that the fan is in a closed state; or, if the corrected water temperature is not in the first preset water temperature interval, determining whether the corrected water temperature is in a second preset water temperature interval; and if the corrected water temperature is determined to be in the second preset water temperature interval, determining that the fan is in an opening state.
In an embodiment, specifically referring to fig. 3, step S102 includes: substeps 1021 to substep S1023.
And a substep S1021, comparing the corrected water temperature with a first preset threshold value.
Exemplarily, a first preset threshold t is obtainedaCorrecting the water temperature t1And the acquired first preset threshold value taComparing, wherein the first preset threshold taGreater than 102 deg.c.
And a substep S1022, determining that the fan is not turned on currently if the corrected water temperature is less than the first preset threshold.
Exemplarily, if the corrected water temperature t1Is less than a first preset threshold taThen it is determined that the current fan is in an unopened state, i.e., an off state. For example, when the water temperature t is corrected1At 102 deg.C, the corrected water temperature t1Is less than a first preset threshold taThen it is determined that the current fan is in the unopened state.
And a substep S1023 of determining that the fan is in an on state at present if the corrected water temperature is greater than or equal to the first preset threshold.
Exemplarily, if the corrected water temperature t1Greater than or equal to a first preset threshold taThen it is determined that the current fan is in an on state. For example, when the water temperature t is corrected1At 104 ℃, the corrected water temperature t1Greater than a first preset threshold taThen it is determined that the current fan is in an on state. Or, when correcting the water temperature t1At 102 deg.C, the corrected water temperature t1Equal to a first preset threshold taThen it is determined that the current fan is in an on state.
And step S103, if the fan is in a closed state at present, acquiring the slope of a water temperature curve of the water temperature.
For example, if it is determined that the current fan is in the off state, the slope of the water temperature curve of the water temperature is obtained. For example, the water temperature curve slope is stored in a storage path in advance, and the water temperature curve slope of the water temperature is acquired through the storage path when it is determined that the current fan is off.
In an embodiment, specifically referring to fig. 4, step S103 includes: sub-step S1031 to sub-step S1032.
And a substep S1031 of obtaining water temperature curve information of the water temperature recorded in advance.
Exemplarily, the pre-recorded water temperature curve information of the water temperature is obtained, and the water temperature curve information includes water temperatures of different moments in the water tank detected by the thermostat, water temperature curves of different moments are generated, and water temperature curve information of 5 seconds before the engine stops working is read from the water temperature curves, or water temperature curve information of 10 seconds before the engine stops working is read from the water temperature curves, for which, the reading of the water temperature curve information of the duration in the water temperature curves is not limited.
And a substep S1032 of obtaining the water temperature curve slope of the water temperature by performing fitting calculation on the water temperature curve information.
Exemplarily, fitting calculation is carried out after the water temperature curve information is obtained, and the slope of the water temperature curve of the water temperature is obtained. For example, the relationship between the time and the temperature in the water temperature curve information is acquired, and the water temperature curve slope rate of the water temperature is obtained by fitting the relationship between the time and the temperature.
And step S104, starting the fan according to the corrected water temperature and the slope of the water temperature curve, and determining the operation mode of the fan.
Illustratively, the fan is turned on according to the corrected water temperature and water temperature curve slope, and the operation mode of the fan is determined, which includes a high speed operation mode and a low speed operation mode. As an example, the slope of the corrected water temperature and water temperature curve is compared with a third preset threshold, and if the slope of the corrected water temperature and water temperature curve is smaller than the third preset threshold, the fan is turned on and the operation mode of the fan is determined to be a low-speed operation mode; and if the slope of the corrected water temperature and the slope of the water temperature curve are both larger than or equal to a third preset threshold, starting the fan, and determining that the operation mode of the fan is a high-speed operation mode state.
In an embodiment, specifically referring to fig. 5, step S104 includes: substeps S1041 to substep S1044.
And a substep S1041 of determining whether the corrected water temperature is greater than a third preset threshold value and whether the slope of the water temperature curve is greater than or equal to a fourth preset threshold value.
Exemplarily, a third preset threshold and a fourth preset threshold are obtained, the corrected water temperature is compared with the obtained third preset threshold, the slope of the water temperature curve is compared with the obtained fourth preset threshold, and whether the corrected water temperature is greater than the third preset threshold and whether the slope of the water temperature curve is greater than or equal to the fourth preset threshold is determined. For example, the third preset threshold is obtained as 96 ℃ and the fourth preset threshold is obtained as 20%. It is determined whether the modified water temperature is greater than 96 deg.c and whether the slope of the water temperature curve is greater than or equal to 20%.
And a substep S1042 of turning on the fan if it is determined that the corrected water temperature is greater than the third preset threshold and the slope of the water temperature curve is greater than or equal to the fourth preset threshold.
Exemplarily, if it is determined that the corrected water temperature is greater than a third preset threshold and the slope of the water temperature curve is greater than or equal to a fourth preset threshold, the fan is turned on. For example, if the corrected water temperature is determined to be greater than 96 ℃ and the slope of the water temperature curve is greater than or equal to 20%, the fan is turned on.
And a substep S1043 of determining that the fan is in a low-speed operation state if it is determined that the corrected water temperature is greater than the third preset threshold, and the slope of the water temperature curve is greater than or equal to the fourth preset threshold and less than a fifth preset threshold.
Exemplarily, when the fan is turned on, it is determined whether the corrected water temperature is greater than a third preset threshold value, and whether the slope of the water temperature curve is greater than or equal to a fourth preset threshold value and less than a fifth preset threshold value. And if the corrected water temperature is determined to be greater than a third preset threshold value, and the slope of the water temperature curve is greater than or equal to a fourth preset threshold value and less than a fifth preset threshold value, determining that the fan is in a low-speed operation mode. For example, the third preset threshold value of 96 ℃, the fourth preset threshold value of 20% and the fifth preset threshold value of 40% are obtained, and if the corrected water temperature is determined to be greater than 96 ℃, and the slope of the water temperature curve is greater than or equal to 20% and less than 40%, the fan is determined to be in the low-speed operation mode, wherein the low-speed operation mode comprises the rotating speed and the operation time length.
And a substep S1044 of determining that the fan is in a high-speed operation mode if the corrected water temperature is determined to be greater than the third preset threshold and the slope of the water temperature curve is determined to be greater than a fifth preset threshold.
Illustratively, when the fan is turned on, it is determined whether the modified water temperature is greater than a third preset threshold and the slope of the water temperature curve is greater than or equal to a fifth preset threshold. And if the corrected water temperature is determined to be greater than the third preset threshold and the slope of the water temperature curve is determined to be greater than or equal to the fifth preset threshold, determining that the fan is in a high-speed operation mode. For example, a third preset threshold value of 96 ℃ and a fifth preset threshold value of 40% are obtained, and if the corrected water temperature is determined to be greater than 96 ℃ and the slope of the water temperature curve is greater than or equal to 40%, the fan is determined to be in a high-speed operation mode, wherein the high-speed operation mode comprises the rotating speed and the operation time length.
In the embodiment of the application, the water temperature during shutdown is obtained, the water temperature is corrected to obtain the corrected water temperature, the current state of the fan is determined by the corrected water temperature, when the fan is determined to be in the closed state, the slope of a water temperature curve of the water temperature is obtained, the fan is started according to the corrected water temperature and the slope of the water temperature curve, the operation mode of the fan is determined, the fan is started and the operation mode of the fan is determined by correcting the slope of the water temperature and the slope of the water temperature curve, and high-heat-damage-risk parts such as an engine cover, a lower decorative plate of an air window and the like are protected from being damaged by high-temperature radiation.
Referring to fig. 6, fig. 6 is a schematic flow chart illustrating another method for operating a fan at high and low speeds according to an embodiment of the present disclosure.
As shown in fig. 6, the method for operating the fan at high and low speeds includes steps S201 to S203.
Step S201, comparing the corrected water temperature with a second preset threshold value.
Exemplarily, a second preset threshold is obtained, and the obtained second preset threshold is compared with the water temperature, wherein the second preset threshold is less than 108 ℃.
Step S202, if the corrected water temperature is smaller than the second preset threshold, determining that the fan is in a low-speed running mode at present.
Exemplarily, if the corrected water temperature t1Is less than a second preset threshold taThen, the current fan operation mode is determined as a low-speed operation mode, wherein the low-speed operation mode comprises a rotation speed and a time length. For example, when the water temperature t is corrected1At 108 deg.C, the corrected water temperature t1Is less than a first preset threshold taThen, the current operation mode of the fan is determined as the low speed operation mode.
Step S203, if the corrected water temperature is greater than or equal to the second preset threshold, determining that the fan is currently in the high-speed operation mode.
Exemplarily, if the corrected water temperaturet1Greater than or equal to a second preset threshold taDetermining that the current fan operation mode is a high-speed operation mode, wherein the high-speed operation mode comprises the rotation speed and the time length. For example, when the water temperature t is corrected1At 110 deg.C, the corrected water temperature t1Greater than a first preset threshold taThen, the current operation mode of the fan is determined as the high-speed operation mode. Or, when correcting the water temperature t1At 108 deg.C, the corrected water temperature t1Is equal to a second preset threshold taThen, the current operation mode of the fan is determined as the high-speed operation mode.
In the embodiment of the application, the obtained corrected water temperature is compared with a second preset threshold, if the corrected water temperature is smaller than the second preset threshold, the current fan is determined to be in a low-speed operation mode, and if the corrected water temperature is larger than or equal to the second preset threshold, the current fan is determined to be in a high-speed operation mode, so that the operation mode of the fan is determined by correcting the water temperature, and high-heat-damage risk parts such as an engine cover, a lower decorative plate of a wind window and the like are protected from being damaged by high-temperature radiation.
Referring to fig. 7, fig. 7 is a schematic block diagram of a high-low speed operation device of a fan according to an embodiment of the present disclosure.
As shown in fig. 7, the fan high-low speed operation apparatus 400 includes: a modification module 401, a determination module 402, a calculation module 403, and a start and determination module 404.
The correction module 401 is configured to obtain a water temperature after shutdown, and correct the current water temperature to obtain a corrected water temperature;
a determining module 402, configured to determine a current fan state according to the corrected water temperature;
a calculating module 403, configured to obtain a slope of a water temperature curve of the water temperature if the fan is currently in an off state;
an opening and determining module 404, configured to open the fan according to the corrected water temperature and the slope of the water temperature curve, and determine an operation mode of the fan.
Wherein, the modification module 401 is specifically further configured to:
acquiring a first preset correction coefficient and a second preset correction coefficient;
and obtaining the corrected water temperature by calculating the first preset correction coefficient, the second preset correction coefficient and the water temperature.
Wherein the determining module 402 is further specifically configured to:
comparing the corrected water temperature with a first preset threshold;
if the corrected water temperature is smaller than the first preset threshold, determining that the fan is not started currently;
and if the corrected water temperature is greater than or equal to the first preset threshold, determining that the fan is in an on state at present.
Wherein the determining module 402 is further specifically configured to:
comparing the corrected water temperature with a second preset threshold;
if the corrected water temperature is smaller than the second preset threshold, determining that the fan is in a low-speed operation mode at present;
and if the corrected water temperature is greater than or equal to the second preset threshold, determining that the fan is in a high-speed operation mode at present.
Wherein, the calculating module 403 is specifically further configured to:
acquiring pre-recorded water temperature curve information of the water temperature;
and fitting and calculating the water temperature curve information to obtain the water temperature curve slope of the water temperature. The starting and determining module 404 is further configured to:
determining whether the corrected water temperature is greater than a third preset threshold and whether the slope of the water temperature curve is greater than or equal to a fourth preset threshold;
and if the corrected water temperature is determined to be greater than the third preset threshold and the slope of the water temperature curve is greater than or equal to the fourth preset threshold, starting the fan.
The starting and determining module 404 is specifically further configured to:
if the corrected water temperature is determined to be greater than the third preset threshold value, and the slope of the water temperature curve is greater than or equal to the fourth preset threshold value and smaller than a fifth preset threshold value, determining that the fan is in a low-speed operation mode;
and if the corrected water temperature is determined to be greater than the third preset threshold and the slope of the water temperature curve is determined to be greater than a fifth preset threshold, determining that the fan is in a high-speed operation mode.
It should be noted that, for convenience and simplicity of description, reference may be made to the corresponding process in the embodiment of the method for operating a fan at high and low speeds, and details are not repeated herein for a specific working process of the above-described apparatus and each module and unit.
The apparatus provided by the above embodiments may be implemented in the form of a computer program, which can be run on a computer device as shown in fig. 8.
Referring to fig. 8, fig. 8 is a schematic block diagram illustrating a structure of a computer device according to an embodiment of the present disclosure. The computer device may be a terminal.
As shown in fig. 8, the computer device includes a processor, a memory, and a network interface connected by a system bus, wherein the memory may include a nonvolatile storage medium and an internal memory.
The non-volatile storage medium may store an operating system and a computer program. The computer program includes program instructions that, when executed, cause a processor to perform any one of the methods of high and low speed fan operation.
The processor is used for providing calculation and control capability and supporting the operation of the whole computer equipment.
The internal memory provides an environment for the execution of a computer program on a non-volatile storage medium, which when executed by the processor causes the processor to perform any of the methods for operating the fan at high and low speeds.
The network interface is used for network communication, such as sending assigned tasks and the like. Those skilled in the art will appreciate that the architecture shown in fig. 8 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
It should be understood that the Processor may be a Central Processing Unit (CPU), and the Processor may be other general purpose processors, Digital Signal Processors (DSPs), Application Specific Integrated Circuits (ASICs), Field Programmable Gate Arrays (FPGAs) or other Programmable logic devices, discrete Gate or transistor logic devices, discrete hardware components, etc. Wherein a general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
Wherein, in one embodiment, the processor is configured to execute a computer program stored in the memory to implement the steps of:
acquiring water temperature during shutdown, and correcting the water temperature to obtain corrected water temperature;
determining the current state of the fan according to the corrected water temperature;
if the fan is in a closed state at present, acquiring the slope of a water temperature curve of the water temperature;
and starting the fan according to the corrected water temperature and the slope of the water temperature curve, and determining the operation mode of the fan.
In one embodiment, the processor corrects the water temperature, and when the corrected water temperature is achieved, the processor is configured to:
acquiring a first preset correction coefficient and a second preset correction coefficient;
and obtaining the corrected water temperature by calculating the first preset correction coefficient, the second preset correction coefficient and the water temperature.
In one embodiment, when the processor determines that the current fan state is implemented according to the corrected water temperature, the processor is configured to implement:
comparing the corrected water temperature with a first preset threshold;
if the corrected water temperature is smaller than the first preset threshold, determining that the fan is not started currently;
and if the corrected water temperature is greater than or equal to the first preset threshold, determining that the fan is in a starting state currently.
In one embodiment, when the processor determines that the current fan is implemented after being in the on state, the processor is configured to implement:
comparing the corrected water temperature with a second preset threshold;
if the corrected water temperature is smaller than the second preset threshold, determining that the fan is in a low-speed operation mode at present;
and if the corrected water temperature is greater than or equal to the second preset threshold, determining that the fan is in a high-speed operation mode at present.
In one embodiment, if the fan is currently in the off state, the processor is configured to obtain a slope of a water temperature curve of the water temperature, and when the slope is implemented, the processor is configured to:
acquiring pre-recorded water temperature curve information of the water temperature;
and obtaining the slope of the water temperature curve of the water temperature by performing fitting calculation on the water temperature curve information. In one embodiment, the processor is configured to, when the fan is turned on according to the corrected water temperature and the slope of the water temperature curve, perform:
determining whether the corrected water temperature is greater than a third preset threshold and whether the slope of the water temperature curve is greater than or equal to a fourth preset threshold;
and if the corrected water temperature is determined to be greater than the third preset threshold and the slope of the water temperature curve is greater than or equal to the fourth preset threshold, starting the fan.
In one embodiment, the processor, when determining that the operating mode of the fan is implemented, is configured to implement:
if the corrected water temperature is determined to be greater than the third preset threshold value, and the slope of the water temperature curve is greater than or equal to the fourth preset threshold value and smaller than a fifth preset threshold value, determining that the fan is in a low-speed operation mode;
and if the corrected water temperature is determined to be greater than the third preset threshold and the slope of the water temperature curve is determined to be greater than a fifth preset threshold, determining that the fan is in a high-speed operation mode.
Embodiments of the present application further provide a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, where the computer program includes program instructions, and a method implemented when the program instructions are executed may refer to various embodiments of the method for operating a fan at high and low speeds in this application.
The computer-readable storage medium may be an internal storage unit of the computer device described in the foregoing embodiment, for example, a hard disk or a memory of the computer device. The computer readable storage medium may also be an external storage device of the computer device, such as a plug-in hard disk, a Smart Media Card (SMC), a Secure Digital (SD) Card, a Flash memory Card (Flash Card), and the like provided on the computer device.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or system that comprises the element.
The above-mentioned serial numbers of the embodiments of the present application are merely for description, and do not represent the advantages and disadvantages of the embodiments. While the invention has been described with reference to specific embodiments, the scope of the invention is not limited thereto, and those skilled in the art can easily conceive various equivalent modifications or substitutions within the technical scope of the invention. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.
Claims (10)
1. A method for operating a fan at high and low speeds, the method comprising:
acquiring water temperature when an automobile engine is stopped, and correcting the water temperature to obtain corrected water temperature;
determining the current state of the fan according to the corrected water temperature;
if the fan is in a closed state at present, acquiring the slope of a water temperature curve of the water temperature;
and starting the fan according to the corrected water temperature and the slope of the water temperature curve, and determining the operation mode of the fan.
2. The method for operating a fan at high and low speeds according to claim 1, wherein the correcting the water temperature to obtain a corrected water temperature comprises:
acquiring a first preset correction coefficient and a second preset correction coefficient;
and calculating the first preset correction coefficient, the second preset correction coefficient and the water temperature to obtain the corrected water temperature.
3. The method for operating a fan at high and low speeds according to claim 1, wherein the determining the current fan state according to the corrected water temperature comprises:
comparing the corrected water temperature with a first preset threshold;
if the corrected water temperature is smaller than the first preset threshold, determining that the fan is not started currently;
and if the corrected water temperature is greater than or equal to the first preset threshold, determining that the fan is in a starting state currently.
4. The method for operating a fan at high and low speeds according to claim 3, wherein after determining that the fan is currently in the on state, the method further comprises:
comparing the corrected water temperature with a second preset threshold;
if the corrected water temperature is smaller than the second preset threshold, determining that the fan is in a low-speed operation mode at present;
and if the corrected water temperature is greater than or equal to the second preset threshold, determining that the fan is in a high-speed operation mode at present.
5. The method as claimed in claim 1, wherein the obtaining the slope of the water temperature curve of the water temperature if the fan is currently in the off state comprises:
acquiring pre-recorded water temperature curve information of the water temperature;
and obtaining the slope of the water temperature curve of the water temperature by performing fitting calculation on the water temperature curve information.
6. The method for operating a fan at high and low speeds according to claim 1, wherein the turning on the fan according to the slope of the curve of the corrected water temperature and the water temperature comprises:
determining whether the corrected water temperature is greater than a third preset threshold and whether the slope of the water temperature curve is greater than or equal to a fourth preset threshold;
and if the corrected water temperature is determined to be greater than the third preset threshold and the slope of the water temperature curve is greater than or equal to the fourth preset threshold, starting the fan.
7. The method for operating a fan at high and low speeds according to claim 6, wherein the determining the operation mode of the fan comprises:
if the corrected water temperature is determined to be greater than the third preset threshold value, and the slope of the water temperature curve is greater than or equal to the fourth preset threshold value and smaller than a fifth preset threshold value, determining that the fan is in a low-speed operation mode;
and if the corrected water temperature is determined to be greater than the third preset threshold and the slope of the water temperature curve is determined to be greater than a fifth preset threshold, determining that the fan is in a high-speed operation mode.
8. A high-low speed fan operation device, comprising:
the correction module is used for acquiring the water temperature after the stop of the automobile engine and correcting the current water temperature to obtain the corrected water temperature;
the determining module is used for determining the current state of the fan according to the corrected water temperature;
the calculation module is used for acquiring the slope of the water temperature curve of the water temperature if the fan is in a closed state at present;
and the starting and determining module is used for starting the fan according to the corrected water temperature and the slope of the water temperature curve and determining the operation mode of the fan.
9. A computer device comprising a processor, a memory, and a computer program stored on the memory and executable by the processor, wherein the computer program when executed by the processor implements the steps of the method of operating a fan at high and low speeds as claimed in any one of claims 1 to 7.
10. A computer-readable storage medium, having a computer program stored thereon, wherein the computer program, when executed by a processor, implements the steps of the method for operating a fan at a high and low speed as claimed in any one of claims 1 to 7.
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