CN115492673A - Cooling liquid temperature adjusting method and device of engine and cooling system - Google Patents
Cooling liquid temperature adjusting method and device of engine and cooling system Download PDFInfo
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- CN115492673A CN115492673A CN202211289085.0A CN202211289085A CN115492673A CN 115492673 A CN115492673 A CN 115492673A CN 202211289085 A CN202211289085 A CN 202211289085A CN 115492673 A CN115492673 A CN 115492673A
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- 238000000034 method Methods 0.000 title claims abstract description 62
- 238000001816 cooling Methods 0.000 title claims abstract description 32
- 239000000110 cooling liquid Substances 0.000 title claims description 32
- 239000002826 coolant Substances 0.000 claims abstract description 37
- 230000001276 controlling effect Effects 0.000 claims description 23
- 230000002596 correlated effect Effects 0.000 claims description 9
- 230000001105 regulatory effect Effects 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 24
- 230000002829 reductive effect Effects 0.000 description 13
- 229920002545 silicone oil Polymers 0.000 description 13
- 238000010586 diagram Methods 0.000 description 12
- 230000008569 process Effects 0.000 description 8
- 238000004590 computer program Methods 0.000 description 7
- 230000007423 decrease Effects 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 230000006870 function Effects 0.000 description 4
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000000670 limiting effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
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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
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
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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
- F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
- F01P11/14—Indicating devices; Other safety devices
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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
- F01P7/08—Controlling of coolant flow the coolant being cooling-air by cutting in or out of pumps
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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
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
- F01P7/167—Controlling of coolant flow the coolant being liquid by thermostatic control by adjusting the pre-set temperature according to engine parameters, e.g. engine load, engine speed
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/08—Safety, indicating, or supervising devices
- F02B77/089—Safety, indicating, or supervising devices relating to engine temperature
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Control Of Temperature (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The application provides a coolant temperature adjusting method, a coolant temperature adjusting device and a cooling system of an engine, wherein the method comprises the following steps: acquiring the current temperature of the engine coolant in real time; and under the condition that the current temperature reaches the preset temperature, adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature, and under the condition that the target starting temperature is less than or equal to the preset temperature, immediately controlling the temperature adjusting device to start. The self-learning control engine cooling system performs multiple feedback adjustment on the temperature adjusting device through signal priority, and reduces the water temperature in advance to meet the requirement of customers. The problem of unable self-learning control adjustment among the prior art, after temperature regulation apparatus opened according to the opening temperature of initial setting is whole, whole car still can't reach the thermal balance state, and the temperature rises to warning or limit for torsion temperature, leads to whole car instrument to report to the police or the engine limit for torsion, influences the customer and uses is solved to this application.
Description
Technical Field
The application relates to the field of cooling systems, in particular to a cooling liquid temperature adjusting method and device of an engine, a cooling system and a storage medium.
Background
In recent years, due to the needs of life and production of people, a plurality of vehicles on the market are applied to a heavy-load climbing working condition, under the condition, the alarm or the engine limit torque of the whole vehicle instrument can be caused due to the fact that the water temperature is higher than the alarm temperature set by the instrument, the use of a customer is influenced, and the technical scheme for solving the problem does not exist at present.
Therefore, the prior art has the risk that the alarm of the whole vehicle instrument or the torque limit of the engine affects the use of a client. When the electronic thermostat and the electric control silicone oil fan are all started according to the initial set starting temperature, the whole vehicle still cannot reach a thermal balance state, and the water temperature rises to the alarm or torque limit temperature, so that a fault is reported.
Disclosure of Invention
The main purpose of the application is to provide a cooling liquid temperature adjusting method, a cooling liquid temperature adjusting device, a cooling system and a storage medium of an engine, and the method and the device are used for solving the problems that in the prior art, self-learning control adjustment cannot be achieved, after a temperature adjusting device is completely started according to an initial set starting temperature, the whole vehicle still cannot reach a thermal balance state, and the water temperature rises to an alarm or torque limit temperature, so that the alarm of a whole vehicle instrument or the torque limit of the engine is caused, and the use of a client is influenced.
In order to achieve the above object, according to one aspect of the present application, there is provided a coolant temperature adjusting method of an engine, the method including: acquiring the current temperature of the engine coolant in real time; and under the condition that the current temperature reaches a preset temperature, adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to a target starting temperature, and under the condition that the target starting temperature is less than or equal to the preset temperature, immediately controlling the temperature adjusting device to be started.
Optionally, the temperature adjustment devices include two temperature adjustment devices, and the two temperature adjustment devices are different from each other, and when the current temperature reaches a preset temperature, the start temperature of the temperature adjustment device is adjusted from an initial start temperature to a target start temperature, and when the target start temperature is less than or equal to the preset temperature, the temperature adjustment device is immediately controlled to start, including: under the condition that the current temperature reaches a first preset temperature, adjusting the starting temperature of a first temperature adjusting device from a first initial starting temperature to a first target starting temperature, and under the condition that the first target starting temperature is less than or equal to the first preset temperature, immediately controlling the first temperature adjusting device to start; under the condition that the current temperature reaches a second preset temperature, the starting temperature of a second temperature adjusting device is adjusted from a second initial starting temperature to a second target starting temperature, and under the condition that the second target starting temperature is smaller than or equal to the second preset temperature, the second temperature adjusting device is immediately controlled to be started, the second preset temperature is larger than the first preset temperature, and the first target starting temperature is smaller than the second target starting temperature.
Optionally, the method further comprises: under the condition that the current temperature reaches a first preset temperature, the starting temperature of a first temperature adjusting device is adjusted from a first initial starting temperature to a first target starting temperature, and under the condition that the first target starting temperature is greater than the first preset temperature, the first temperature adjusting device is controlled to be started until the current temperature rises to the first target starting temperature.
Optionally, the method further comprises: and under the condition that the current temperature reaches a second preset temperature, adjusting the starting temperature of a second temperature adjusting device from a second initial starting temperature to a second target starting temperature, and under the condition that the second target starting temperature is greater than the second preset temperature, controlling the second temperature adjusting device to be started until the current temperature rises to the second target starting temperature.
Optionally, the method further comprises: determining that the first target opening temperature is negatively correlated with the current temperature acquired in real time; determining that the second target opening temperature is negatively correlated with the current temperature acquired in real time.
Optionally, the method further comprises: setting an early warning temperature; and sending alarm information under the condition that the current temperature of the cooling liquid reaches the early warning temperature.
Optionally, the first temperature adjusting device is an electronic thermostat, and the second temperature adjusting device is an electrically controlled fan.
According to another aspect of the embodiment of the invention, the device for adjusting the temperature of the cooling liquid of the engine comprises an acquisition module and an adjustment module, wherein the acquisition module is used for acquiring the current temperature of the cooling liquid of the engine in real time; the adjusting module is used for adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature under the condition that the current temperature reaches the preset temperature, and immediately controlling the temperature adjusting device to be started under the condition that the target starting temperature is less than or equal to the preset temperature.
According to another aspect of an embodiment of the present invention, there is also provided an engine cooling system including a temperature adjusting device for adjusting a temperature of coolant, a temperature sensor, and a controller; the temperature sensor is used for acquiring the temperature of the cooling liquid; the controller is in communication with the temperature regulating device and the temperature sensor, respectively, for performing any one of the methods.
According to another aspect of the embodiments of the present invention, there is also provided a computer-readable storage medium, which includes a stored program, wherein when the program runs, the apparatus on which the computer-readable storage medium is located is controlled to execute any one of the methods.
By applying the technical scheme, the method for adjusting the temperature of the cooling liquid of the engine comprises the steps of firstly, acquiring the current temperature of the cooling liquid of the engine in real time; and then, under the condition that the current temperature reaches the preset temperature, adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature, and under the condition that the target starting temperature is less than or equal to the preset temperature, immediately controlling the temperature adjusting device to start. According to the method, the opening and closing of the electronic thermostat and the electronic control silicone oil fan are controlled based on water temperature, the cooling system of the engine is controlled through self-learning, and the temperature adjusting device is fed back and adjusted for multiple times through signals, so that the water temperature of the engine can be reduced in advance to meet the requirements of customers, and the problem that the use of the customers is influenced because the temperature of a meter of the whole vehicle is alarmed or limited by the engine due to the fact that the temperature adjusting device cannot be controlled and adjusted through self-learning in the prior art and cannot reach a thermal balance state after the temperature adjusting device is completely opened according to the initial set opening temperature and the water temperature rises to the alarm or limited temperature is solved.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application. In the drawings:
FIG. 1 shows a flowchart of a coolant temperature adjustment method of an engine according to an embodiment of the present application;
FIG. 2 is a flow chart illustrating another method of a coolant temperature adjustment method of an engine according to an embodiment of the present application;
FIG. 3 is a flowchart illustrating yet another method of a coolant temperature adjustment method of an engine according to an embodiment of the present application;
fig. 4 shows a schematic diagram of a coolant temperature adjusting apparatus of an engine according to an embodiment of the present application;
fig. 5 shows another device diagram of a coolant temperature adjusting device of an engine according to an embodiment of the present application;
FIG. 6 shows a schematic diagram of an engine cooling system according to an embodiment of the present application.
Detailed Description
It should be noted that the embodiments and features of the embodiments in the present application may be combined with each other without conflict. The present application will be described in detail below with reference to the embodiments with reference to the attached drawings.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only partial embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It should be understood that the data so used may be interchanged under appropriate circumstances such that embodiments of the application described herein may be used. Moreover, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
It will be understood that when an element such as a layer, film, region, or substrate is referred to as being "on" another element, it can be directly on the other element or intervening elements may also be present. Also, in the specification and claims, when an element is described as being "connected" to another element, the element may be "directly connected" to the other element or "connected" to the other element through a third element.
As introduced in the background art, in the prior art, there is a risk that the alarm of the vehicle instrument or the torque limitation of the engine affects the use of the client, and in order to solve the problem that the self-learning control adjustment cannot be performed in the prior art, after the temperature adjusting device is completely started according to the initial set starting temperature, the vehicle still cannot reach the thermal equilibrium state, and the water temperature rises to the alarm or torque limitation temperature, so that the alarm of the vehicle instrument or the torque limitation of the engine is caused, and the use of the client is affected, in a typical embodiment of the application, a coolant temperature adjusting method, a coolant temperature adjusting device, a coolant system and a storage medium of the engine are provided.
According to an embodiment of the present application, there is provided a coolant temperature adjusting method of an engine, and fig. 1 is a flowchart illustrating the coolant temperature adjusting method of the engine according to the embodiment of the present application. As shown in fig. 1, the method comprises the steps of:
step S101, the current temperature of the engine cooling liquid is obtained in real time, the temperature of the cooling liquid can be better, more accurately and more timely adjusted by detecting the temperature of the cooling liquid in real time, and the situation that the temperature of the cooling liquid is too high and early warning is given out is avoided.
In order to avoid the existence of the cooling system related fault in the engine, in the actual operation process, after the engine is started and before the step S101 is performed, whether the cooling system related fault exists in the engine is checked, and if the cooling system fault exists in the engine, the controller gives a cooling system related fault early warning.
Step S102, adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature when the current temperature reaches the preset temperature, and immediately controlling the temperature adjusting device to be started when the target starting temperature is less than or equal to the preset temperature.
In an alternative embodiment, there are two temperature adjustment devices, and the two temperature adjustment devices are different, and when the current temperature reaches a preset temperature, the opening temperature of the temperature adjustment device is adjusted from an initial opening temperature to a target opening temperature, and when the target opening temperature is less than or equal to the preset temperature, the temperature adjustment device is immediately controlled to open, and the specific implementation steps are as follows:
step S201, when the current temperature reaches a first preset temperature, adjusting the opening temperature of the first temperature adjustment device from a first initial opening temperature to a first target opening temperature, and when the first target opening temperature is less than or equal to the first preset temperature, immediately controlling the first temperature adjustment device to open, so as to ensure that the temperature of the coolant is reduced as soon as possible and avoid the temperature of the coolant being too high.
Specifically, the first preset temperature may be set to 15 ℃, 20 ℃, 25 ℃, etc., the first initial opening temperature may be set to 45 ℃, 50 ℃, 60 ℃, etc., and the first target opening temperature may be set to 30 ℃, 35 ℃, 40 ℃, etc., which, of course, may be adjusted by those skilled in the art according to actual situations.
Specifically, when the current temperature reaches a first preset temperature, the start temperature of the first temperature adjustment device is adjusted from a first initial start temperature to a first target start temperature, and when the first target start temperature is higher than the first preset temperature, the first temperature adjustment device is controlled to be started until the current temperature rises to the first target start temperature, so that the power consumption of the first temperature adjustment device can be reduced, and the service life of the first temperature adjustment device can be prolonged.
Step S202 is performed to adjust the opening temperature of the second temperature adjustment device from a second initial opening temperature to a second target opening temperature when the current temperature reaches a second predetermined temperature, and immediately control the second temperature adjustment device to open when the second target opening temperature is less than or equal to the second predetermined temperature, where the second predetermined temperature is greater than the first predetermined temperature, and the first target opening temperature is less than the second target opening temperature, so as to ensure that the temperature of the coolant is reduced as soon as possible and avoid the temperature of the coolant from being too high.
Specifically, the second preset temperature may be set to 30 ℃, 35 ℃, 40 ℃ and the like, the second initial starting temperature may be set to 55 ℃, 60 ℃, 70 ℃ and the like, and the second target starting temperature may be set to 45 ℃, 50 ℃, 55 ℃ and the like, which, of course, may be adjusted by a person skilled in the art according to actual situations.
Specifically, when the current temperature reaches a second preset temperature, the start temperature of the second temperature adjustment device is adjusted from a second initial start temperature to a second target start temperature, and when the second target start temperature is greater than the second preset temperature, the second temperature adjustment device is controlled to be started until the current temperature rises to the second target start temperature, so that the power consumption of the second temperature adjustment device can be reduced, and the service life of the second temperature adjustment device can be prolonged.
Exemplarily, the method further comprises: determining that the first target opening temperature is negatively correlated with the current temperature acquired in real time; and determining that the second target opening temperature is negatively correlated with the current temperature acquired in real time. Specifically, the first target opening temperature decreases with an increase in the current temperature until the first target opening temperature falls to a first threshold; and when the current temperature is decreased, the first target opening temperature is increased along with the decrease of the current temperature until the first target opening temperature is increased to a second threshold value. The second target opening temperature is reduced along with the increase of the current temperature until the second target opening temperature is reduced to a third threshold value; and when the current temperature is decreased, the second target opening temperature is increased along with the decrease of the current temperature until the second target opening temperature is increased to a fourth threshold value.
Specifically, the first threshold may be set to 15 ℃, 20 ℃, 30 ℃ or the like, the second threshold may be set to 30 ℃, 35 ℃, 40 ℃ or the like, the third threshold may be set to 43 ℃, 50 ℃, 55 ℃ or the like, and the fourth threshold may be set to 45 ℃, 50 ℃, 55 ℃ or the like, which can be adjusted by those skilled in the art according to actual situations.
After the step S202 is executed, the method further includes: setting an early warning temperature; and sending alarm information under the condition that the current temperature of the cooling liquid reaches the early warning temperature. In order to avoid the influence of the excessively high temperature of the coolant on the engine performance.
Illustratively, the first temperature adjusting device is an electronic thermostat, and the second temperature adjusting device is an electrically controlled silicone oil fan.
In an alternative embodiment, the temperature adjusting devices are two, the first temperature adjusting device is an electronic thermostat, and the second temperature adjusting device is an electrically controlled silicone oil fan. As shown in fig. 2, the implementation steps of this embodiment are as follows: after an engine is started, checking whether a cooling system related fault exists in the engine or not, if the cooling system fault exists in the engine, reporting a cooling system related fault early warning by a controller, if the cooling system of the engine is normal, obtaining the current temperature of engine cooling liquid in real time through an Electronic Control Unit (ECU), adjusting the opening temperature of an Electronic thermostat from a first initial opening temperature to a first target opening temperature under the condition that the current temperature reaches a first preset temperature, immediately controlling the Electronic thermostat to be opened under the condition that the first target opening temperature is less than or equal to the first preset temperature, and controlling the Electronic thermostat to be opened under the condition that the first target opening temperature is greater than the first preset temperature until the current temperature rises to the first target opening temperature; and under the condition that the current temperature reaches a second preset temperature, adjusting the starting temperature of a second electric control silicone oil fan from a second initial starting temperature to a second target starting temperature, immediately controlling the electric control silicone oil fan to be started under the condition that the second target starting temperature is less than or equal to the second preset temperature, and under the condition that the second target starting temperature is greater than the second preset temperature, controlling the electric control silicone oil fan to be started until the current temperature rises to the second target starting temperature. And meanwhile, judging whether the current temperature of the cooling liquid reaches the early warning temperature or not, and sending warning information under the condition that the current temperature of the cooling liquid reaches the early warning temperature.
In another embodiment, there are three temperature adjusting devices, as shown in fig. 3, after the engine is started, the engine is checked whether there is a cooling system related fault, if there is a cooling system related fault, the controller reports a cooling system related fault warning, if the engine cooling system is normal, the current temperature of the engine coolant is obtained in real time through an ECU (Electronic Control Unit), if the current temperature reaches a first preset temperature, the opening temperature of the first temperature adjusting device is adjusted from a first initial opening temperature to a first target opening temperature, and when the first target opening temperature is less than or equal to the first preset temperature, the first temperature adjusting device is immediately controlled to be opened, and when the first target opening temperature is greater than the first preset temperature, the first temperature adjusting device is controlled to be opened until the current temperature rises to the first target opening temperature; adjusting the opening temperature of a second temperature adjusting device from a second initial opening temperature to a second target opening temperature when the current temperature reaches a second preset temperature, immediately controlling the second temperature adjusting device to be opened when the second target opening temperature is less than or equal to the second preset temperature, and controlling the second temperature adjusting device to be opened when the current temperature rises to the second target opening temperature when the second target opening temperature is greater than the second preset temperature; adjusting the opening temperature of a third temperature adjusting device from a third initial opening temperature to a third target opening temperature when the current temperature reaches a third preset temperature, immediately controlling the third temperature adjusting device to be opened when the third target opening temperature is less than or equal to the third preset temperature, wherein the third preset temperature is greater than the second preset temperature, the second target opening temperature is less than the third target opening temperature, and controlling the third temperature adjusting device to be opened when the current temperature rises to the third target opening temperature when the third target opening temperature is greater than the third preset temperature. And meanwhile, judging whether the current temperature of the cooling liquid reaches the early warning temperature or not, and sending warning information under the condition that the current temperature of the cooling liquid reaches the early warning temperature.
Specifically, the third target opening temperature is also negatively correlated with the current temperature acquired in real time, and the third target opening temperature decreases with the increase of the current temperature until the third target opening temperature decreases to a fifth threshold; and when the current temperature decreases, the third target opening temperature increases with the decrease of the current temperature until the third target opening temperature increases to a sixth threshold.
Specifically, the third preset temperature may be set to 45 ℃, 50 ℃, 55 ℃, etc., the third initial opening temperature may be set to 75 ℃, 80 ℃, 85 ℃, etc., the third target opening temperature may be set to 70 ℃, 73 ℃, 79 ℃, etc., the fifth threshold may be set to 57 ℃, 60 ℃, 63 ℃, etc., and the sixth threshold may be set to 70 ℃, 73 ℃, 79 ℃, etc., which may be adjusted by those skilled in the art according to actual situations.
In the actual operation process, a plurality of temperature adjusting devices can be set as required, a plurality of preset temperatures and a plurality of target opening temperatures can be set according to each temperature adjusting device, and specifically, a plurality of temperature thresholds can be set. The embodiments of the present application are not listed.
By applying the cooling liquid temperature adjusting method of the engine, the current temperature of the cooling liquid of the engine is obtained in real time; and then, under the condition that the current temperature reaches the preset temperature, adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature, and under the condition that the target starting temperature is less than or equal to the preset temperature, immediately controlling the temperature adjusting device to start. According to the method, the opening and closing of the electronic thermostat and the electronic control silicone oil fan are controlled based on water temperature, the cooling system of the engine is controlled through self-learning, the temperature adjusting device is fed back and adjusted for multiple times through signals, the water temperature of the engine can be reduced in advance to meet the requirements of customers, and therefore the problem that in the prior art, self-learning control adjustment cannot be achieved, when the temperature adjusting device is completely opened according to the initial set opening temperature, the whole vehicle still cannot reach a thermal balance state, the water temperature rises to the alarm or torque limit temperature, the alarm of a whole vehicle instrument or the torque limit of the engine is caused, and the use of the customers is influenced is solved.
The embodiment of the application also provides a coolant temperature adjusting device of an engine, and it should be noted that the coolant temperature adjusting device of the engine of the embodiment of the application can be used for executing the coolant temperature adjusting method of the engine of the application. The following describes an engine coolant temperature adjustment device according to an embodiment of the present application.
Fig. 4 is a schematic diagram of a coolant temperature adjusting apparatus of an engine according to an embodiment of the present application. As shown in fig. 4, the apparatus includes:
the system comprises an acquisition module 10 and an adjustment module 20, wherein the acquisition module 10 is used for acquiring the current temperature of the engine coolant in real time; the adjusting module 20 is configured to adjust the starting temperature of the temperature adjusting device from an initial starting temperature to a target starting temperature when the current temperature reaches a preset temperature, and immediately control the temperature adjusting device to start when the target starting temperature is less than or equal to the preset temperature.
In an alternative example, the temperature adjusting devices are two different from each other, the opening temperature of the temperature adjusting device is adjusted from an initial opening temperature to a target opening temperature when the current temperature reaches a preset temperature, and the temperature adjusting device is immediately controlled to be opened when the target opening temperature is less than or equal to the preset temperature.
Specifically, as shown in fig. 5, the adjusting module further includes a first adjusting module 21 and a second adjusting module 22, where the first adjusting module 21 is configured to adjust the opening temperature of the first temperature adjusting device from a first initial opening temperature to a first target opening temperature when the current temperature reaches a first preset temperature, and immediately control the first temperature adjusting device to open when the first target opening temperature is less than or equal to the first preset temperature; the second adjusting module 22 is configured to adjust the starting temperature of the second temperature adjusting device from a second initial starting temperature to a second target starting temperature when the current temperature reaches a second preset temperature, and immediately control the second temperature adjusting device to start when the second target starting temperature is less than or equal to the second preset temperature, where the second preset temperature is greater than the first preset temperature, and the first target starting temperature is less than the second target starting temperature.
In another optional embodiment, the adjusting module further includes a third adjusting module and a fourth adjusting module, where the third adjusting module is configured to adjust an opening temperature of the first temperature adjusting device from a first initial opening temperature to a first target opening temperature when the current temperature reaches a first preset temperature, and control the first temperature adjusting device to open until the current temperature rises to the first target opening temperature when the first target opening temperature is greater than the first preset temperature; the fourth adjusting module is configured to adjust the starting temperature of the second temperature adjusting device from a second initial starting temperature to a second target starting temperature when the current temperature reaches a second preset temperature, and control the second temperature adjusting device to start up until the current temperature rises to the second target starting temperature when the second target starting temperature is higher than the second preset temperature.
Specifically, the device further comprises a first determining unit and a second determining unit, wherein the first determining unit is used for determining that the first target opening temperature is negatively correlated with the current temperature acquired in real time; the second determining unit is configured to determine that the second target opening temperature is negatively correlated with the current temperature acquired in real time.
Exemplarily, the device further comprises a setting module and an alarm module, wherein the setting module is used for setting an early warning temperature; the warning module is used for sending warning information when the current temperature of the cooling liquid reaches the early warning temperature.
Specifically, the first temperature adjustment device is an electronic thermostat, and the second temperature adjustment device is an electrically controlled fan.
The device comprises an acquisition module and an adjustment module, wherein the acquisition module is used for acquiring the current temperature of the engine coolant in real time; the adjusting module is used for adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature under the condition that the current temperature reaches the preset temperature, and immediately controlling the temperature adjusting device to be started under the condition that the target starting temperature is less than or equal to the preset temperature. The device is based on the opening and closing of the water temperature control electronic thermostat and the electric control silicone oil fan, the engine cooling system is controlled through self-learning, the temperature adjusting device is subjected to feedback adjustment for multiple times through signals, the water temperature of the engine can be reduced in advance to meet the requirements of customers, and therefore the problem that the use of the customers is influenced due to the fact that the temperature of a whole vehicle cannot reach a thermal balance state after the temperature adjusting device is completely opened according to the initially set opening temperature and the temperature of water rises to the alarm or torque limiting temperature, and the whole vehicle instrument alarms or the engine is limited in torque is avoided.
An embodiment of the present application also provides an engine cooling system, including a temperature adjustment device for adjusting a temperature of a coolant, a temperature sensor, and a controller; the temperature sensor is used for acquiring the temperature of the cooling liquid; the controller is in communication with the temperature regulating device and the temperature sensor, respectively, for performing any one of the above methods.
With the above engine cooling system, as shown in fig. 6, the system includes a temperature adjusting device for adjusting the temperature of the coolant, a temperature sensor, and a controller; the temperature sensor is used for acquiring the temperature of the cooling liquid; the controller is in communication with the temperature adjustment device and the temperature sensor, respectively, for performing any of the above methods. The system controls the opening and closing of the electronic thermostat and the electronic control silicone oil fan based on water temperature, controls the engine cooling system through self-learning, and preferentially carries out feedback adjustment on the temperature adjusting device for multiple times through signals, so that the water temperature of the engine can be reduced in advance to meet the requirements of customers, and the problem that the use of the customers is influenced because the temperature of a meter of the whole vehicle is alarmed or the engine is limited due to the fact that the temperature adjusting device cannot be controlled and adjusted through self-learning in the prior art and cannot reach a thermal balance state after being completely opened according to the initially set opening temperature is solved.
An embodiment of the present application further provides a computer-readable storage medium, where the computer-readable storage medium includes a stored program, and when the program runs, the apparatus where the computer-readable storage medium is located is controlled to execute any one of the methods described above.
As will be appreciated by one skilled in the art, 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 so forth) having computer-usable program code embodied therein.
The present application is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the application. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or 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/or 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/or 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/or block diagram block or blocks.
In a typical configuration, a computing device includes one or more processors (CPUs), input/output interfaces, network interfaces, and memory.
The memory may include forms of volatile memory in a computer readable medium, random Access Memory (RAM) and/or non-volatile memory, such as Read Only Memory (ROM) or flash memory (flash RAM). The memory is an example of a computer-readable medium.
Computer-readable media, including both non-transitory and non-transitory, removable and non-removable media, may implement information storage by any method or technology. The information may be computer readable instructions, data structures, modules of a program, or other data. Examples of computer storage media include, but are not limited to, phase change memory (PRAM), static Random Access Memory (SRAM), dynamic Random Access Memory (DRAM), other types of Random Access Memory (RAM), read Only Memory (ROM), electrically Erasable Programmable Read Only Memory (EEPROM), flash memory or other memory technology, compact disc read only memory (CD-ROM), digital Versatile Disks (DVD) or other optical storage, magnetic cassettes, magnetic tape magnetic disk storage or other magnetic storage devices, or any other non-transmission medium, which can be used to store information that can be accessed by a computing device. As defined herein, a computer readable medium does not include a transitory computer readable medium such as a modulated data signal and a carrier wave.
It should also be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus 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 apparatus. Without further limitation, an element defined by the phrases "comprising one of 8230; \8230;" 8230; "does not exclude the presence of additional like elements in a process, method, article, or apparatus that comprises the element.
From the above description, it can be seen that the above-described embodiments of the present application achieve the following technical effects:
1) The method for adjusting the temperature of the cooling liquid of the engine is applied, and firstly, the current temperature of the cooling liquid of the engine is obtained in real time; and then, under the condition that the current temperature reaches the preset temperature, adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature, and under the condition that the target starting temperature is less than or equal to the preset temperature, immediately controlling the temperature adjusting device to start. According to the method, the opening and closing of the electronic thermostat and the electronic control silicone oil fan are controlled based on water temperature, the cooling system of the engine is controlled through self-learning, and the temperature adjusting device is fed back and adjusted for multiple times through signals, so that the water temperature of the engine can be reduced in advance to meet the requirements of customers, and the problem that the use of the customers is influenced because the temperature of a meter of the whole vehicle is alarmed or limited by the engine due to the fact that the temperature adjusting device cannot be controlled and adjusted through self-learning in the prior art and cannot reach a thermal balance state after the temperature adjusting device is completely opened according to the initial set opening temperature and the water temperature rises to the alarm or limited temperature is solved.
2) The device comprises an acquisition module and an adjustment module, wherein the acquisition module is used for acquiring the current temperature of the engine coolant in real time; the adjusting module is used for adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature under the condition that the current temperature reaches the preset temperature, and immediately controlling the temperature adjusting device to be started under the condition that the target starting temperature is less than or equal to the preset temperature. The device is based on the opening and closing of the water temperature control electronic thermostat and the electric control silicone oil fan, the engine cooling system is controlled through self-learning, the temperature adjusting device is subjected to feedback adjustment for multiple times through signals, the water temperature of the engine can be reduced in advance to meet the requirements of customers, and therefore the problem that the use of the customers is influenced due to the fact that the temperature of a whole vehicle cannot reach a thermal balance state after the temperature adjusting device is completely opened according to the initially set opening temperature and the temperature of water rises to the alarm or torque limiting temperature, and the whole vehicle instrument alarms or the engine is limited in torque is avoided.
3) The engine cooling system is applied and comprises a temperature adjusting device, a temperature sensor and a controller, wherein the temperature adjusting device is used for adjusting the temperature of cooling liquid; the temperature sensor is used for acquiring the temperature of the cooling liquid; the controller is in communication with the temperature adjustment device and the temperature sensor, respectively, for performing any of the above methods. The system controls the opening and closing of the electronic thermostat and the electronic control silicone oil fan based on water temperature, controls the engine cooling system through self-learning, and preferentially carries out feedback adjustment on the temperature adjusting device for multiple times through signals, so that the water temperature of the engine can be reduced in advance to meet the requirements of customers, and the problem that the use of the customers is influenced because the temperature of a meter of the whole vehicle is alarmed or the engine is limited due to the fact that the temperature adjusting device cannot be controlled and adjusted through self-learning in the prior art and cannot reach a thermal balance state after being completely opened according to the initially set opening temperature is solved.
The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims (10)
1. A coolant temperature adjustment method of an engine, characterized by comprising:
acquiring the current temperature of the engine coolant in real time;
and under the condition that the current temperature reaches a preset temperature, adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to a target starting temperature, and under the condition that the target starting temperature is less than or equal to the preset temperature, immediately controlling the temperature adjusting device to start.
2. The method of claim 1, wherein the temperature adjustment devices are two and different, the opening temperature of the temperature adjustment device is adjusted from an initial opening temperature to a target opening temperature in a case where the current temperature reaches a preset temperature, and the temperature adjustment device is immediately controlled to be opened in a case where the target opening temperature is less than or equal to the preset temperature, comprising:
under the condition that the current temperature reaches a first preset temperature, adjusting the starting temperature of a first temperature adjusting device from a first initial starting temperature to a first target starting temperature, and under the condition that the first target starting temperature is less than or equal to the first preset temperature, immediately controlling the first temperature adjusting device to start;
under the condition that the current temperature reaches a second preset temperature, the starting temperature of a second temperature adjusting device is adjusted from a second initial starting temperature to a second target starting temperature, and under the condition that the second target starting temperature is smaller than or equal to the second preset temperature, the second temperature adjusting device is immediately controlled to be started, the second preset temperature is larger than the first preset temperature, and the first target starting temperature is smaller than the second target starting temperature.
3. The method of claim 2, further comprising:
under the condition that the current temperature reaches a first preset temperature, the opening temperature of a first temperature adjusting device is adjusted to a first target opening temperature from a first initial opening temperature, and under the condition that the first target opening temperature is larger than the first preset temperature, the first temperature adjusting device is controlled to be opened until the current temperature rises to the first target opening temperature.
4. The method of claim 2, further comprising:
and under the condition that the current temperature reaches a second preset temperature, adjusting the starting temperature of a second temperature adjusting device from a second initial starting temperature to a second target starting temperature, and under the condition that the second target starting temperature is greater than the second preset temperature, controlling the second temperature adjusting device to be started until the current temperature rises to the second target starting temperature.
5. The method of claim 2, further comprising:
determining that the first target opening temperature is negatively correlated with the current temperature acquired in real time;
determining that the second target opening temperature is negatively correlated with the current temperature acquired in real time.
6. The method of claim 1, further comprising:
setting an early warning temperature;
and sending alarm information under the condition that the current temperature of the cooling liquid reaches the early warning temperature.
7. The method of any one of claims 2 to 5, wherein the first temperature regulating device is an electronic thermostat and the second temperature regulating device is an electrically controlled fan.
8. A coolant temperature adjusting apparatus of an engine, characterized by comprising:
the acquisition module acquires the current temperature of the engine coolant in real time;
and the adjusting module is used for adjusting the starting temperature of the temperature adjusting device from the initial starting temperature to the target starting temperature under the condition that the current temperature reaches the preset temperature, and immediately controlling the temperature adjusting device to be started under the condition that the target starting temperature is less than or equal to the preset temperature.
9. An engine cooling system, comprising:
temperature adjusting means for adjusting the temperature of the coolant;
a temperature sensor for acquiring the temperature of the cooling liquid;
a controller, communicatively coupled to the thermostat and the temperature sensor, respectively, for performing the method of any of claims 1-7.
10. A computer-readable storage medium, comprising a stored program, wherein the program, when executed, controls an apparatus in which the computer-readable storage medium is located to perform the method of any one of claims 1 to 7.
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| CN202211289085.0A CN115492673B (en) | 2022-10-20 | 2022-10-20 | Method and device for adjusting temperature of cooling liquid of engine and cooling system |
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