CN114991934A - Engine coolant temperature control method and system and readable storage module - Google Patents
Engine coolant temperature control method and system and readable storage module Download PDFInfo
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- 239000000110 cooling liquid Substances 0.000 claims description 19
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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
- 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
- F01P7/164—Controlling of coolant flow the coolant being liquid by thermostatic control by varying pump speed
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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
- F01P2007/168—By varying the cooling capacity of a liquid-to-air heat-exchanger
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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
- F01P2025/00—Measuring
- F01P2025/08—Temperature
- F01P2025/34—Heat exchanger incoming fluid temperature
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- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/10—Internal combustion engine [ICE] based vehicles
- Y02T10/12—Improving ICE efficiencies
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Abstract
The application relates to a method and a system for controlling the temperature of engine coolant and a readable storage module, which relate to the technical field of automatic control and comprise the steps of obtaining throttle change information, wind energy information of a radiator air inlet, inlet temperature information of the engine coolant and outlet temperature information of the engine coolant; generating theoretical temperature change information of the engine temperature according to a preset temperature estimation algorithm based on the accelerator change information; generating rotation speed adjusting data based on the theoretical temperature change information and the inlet temperature information; adjusting the rotor speed of the electronic water pump according to the speed adjusting data; generating opening degree adjusting data based on the wind energy information, the outlet temperature information and the inlet temperature information; and adjusting the opening degree of the inlet of the radiator according to the opening degree adjusting data. This application has the effect that improves engine coolant liquid entrance temperature control accuracy nature.
Description
Technical Field
The application relates to the technical field of automatic control, in particular to a method and a system for controlling the temperature of engine coolant and a readable storage module.
Background
Regulating the thermal state of an engine via coolant disposed around the engine is a primary engine thermal management approach for conventional internal combustion powered vehicles. The engine coolant is used for taking away redundant engine heat at the beginning of production to ensure the operation safety of the engine, but the engine is not cooled as a unique target at present, but a comprehensive target of vehicle operation requirements, emission regulations and user use requirements is considered, and the dynamic property, the economical efficiency, the emission property, the reliability and the temperature and the noise of a passenger compartment of the engine are influenced.
Currently, the temperature of the engine coolant is mainly controlled by an electronic water pump and the air speed entering a radiator. The larger the rotating speed of the electronic water pump is, the larger the flow of the cooling liquid in the system is, and the smaller the temperature difference of the cooling liquid at the inlet and the outlet of the engine is; the greater the wind speed entering the radiator, the lower the temperature of the engine inlet coolant. At present, switch control or logic control is mostly adopted for a method for controlling the temperature of engine coolant, and the heat dissipation performance of an electronic water pump and a radiator cannot be continuously adjusted, so that the temperature of the coolant can only be maintained within a certain range, and the control precision is low.
Disclosure of Invention
In order to improve the accuracy of temperature control at an engine coolant inlet, the application provides an engine coolant temperature control method, an engine coolant temperature control system and a readable storage module.
In a first aspect, the present application provides a method for controlling a temperature of engine coolant, which adopts the following technical scheme: an engine coolant temperature control method includes
Acquiring accelerator change information, wind energy information of an air inlet of a radiator, inlet temperature information of engine cooling liquid and outlet temperature information of the engine cooling liquid;
generating theoretical temperature change information of the engine temperature according to a preset temperature estimation algorithm based on the accelerator change information;
generating rotation speed adjusting data based on the theoretical temperature change information and the inlet temperature information;
adjusting the rotor speed of the electronic water pump according to the speed adjusting data;
generating opening degree adjustment data based on the wind energy information, the outlet temperature information and the inlet temperature information;
and adjusting the opening degree of the inlet of the radiator according to the opening degree adjusting data.
By adopting the technical scheme, the inventor establishes a temperature estimation algorithm through the incidence relation between the theoretical temperature change information of the engine and the accelerator change information, and generates the theoretical temperature change information of the engine temperature based on the algorithm under the condition of acquiring the accelerator change information. And then, based on the theoretical temperature change information, generating rotating speed adjusting data needing to be adjusted by combining the acquired inlet temperature information, and finally adjusting the rotating speed data of the rotor of the electronic water pump based on the rotating speed adjusting data. In the aspect of radiator heat dissipation adjustment, the inventor generates opening adjustment data to be adjusted by acquiring wind energy information at an air inlet of a radiator and combining outlet temperature information and inlet temperature information, and adjusts the opening of the inlet of the radiator based on the opening adjustment data. Therefore, the temperature of the cooling liquid inlet of the engine is adjusted in real time along with various acquired data, and meanwhile, the accuracy of temperature control of the cooling liquid at the engine inlet is improved.
Optionally, the theoretical temperature change information of the engine temperature is generated based on the accelerator change information according to a preset temperature estimation algorithm, including,
generating estimated rotation speed information of the engine according to a preset rotation speed estimation algorithm based on the accelerator change information;
and generating the theoretical temperature change information according to the estimated rotation speed data and the temperature estimation algorithm.
By adopting the technical scheme, estimated rotation speed information can be obtained by a rotation speed estimation algorithm according to the accelerator change information, theoretical temperature change information required by control is obtained by establishing a temperature estimation model based on the estimated rotation speed information, and the rotor rotation speed of the electronic water pump can be subjected to feedforward regulation based on the theoretical temperature change information, so that the accuracy and the response speed of temperature regulation are improved.
Optionally, the generating rotational speed adjustment data based on the theoretical temperature change information and the inlet temperature information includes,
generating theoretical speed change data of the electronic water pump according to a preset rotating speed estimation algorithm based on the theoretical temperature change information;
increasing or decreasing the rotational speed adjustment data based on the theoretical speed change data;
increasing or decreasing the rotational speed adjustment data according to a preset threshold range of the engine temperature based on the inlet temperature information.
By adopting the technical scheme, the heat which is to be emitted by the engine is obtained in advance through the theoretical temperature change information, the theoretical speed change data of the electronic water pump is generated in advance based on the heat, and the rotating speed of the electronic water pump is subjected to feedforward regulation based on the theoretical speed change data. Through actual measurement's entry temperature information, carry out feedback control to electronic water pump's rotational speed, through feedforward with the regulation mode of feedback, improved engine coolant liquid entrance temperature control's accuracy nature greatly.
Optionally, the generating opening degree adjustment data based on the wind energy information, the outlet temperature information and the inlet temperature information includes,
acquiring original opening information of a radiator;
generating theoretical inlet temperature information according to the original opening information and the wind energy information and the outlet temperature data through a preset heat exchange algorithm;
generating error variation information of temperature based on the theoretical inlet temperature information and the inlet temperature information;
and obtaining the opening degree adjusting data based on the error variation information.
By adopting the technical scheme, the heat dissipation performance of the radiator is only closed to the air speed and the opening of the air inlet of the radiator under the condition that the structure is fixed, based on the collected original opening information and wind energy information, the temperature information of the outlet of the engine coolant is combined with the temperature information of the inlet of the radiator coolant, so that the theoretical inlet temperature information of the outlet of the radiator coolant can be obtained, the error variation of the temperature is obtained based on the theoretical inlet temperature information and the actually measured inlet temperature information, and the opening adjusting data for adjusting the opening of the air inlet can be obtained based on the temperature variation.
Optionally, the generating opening degree adjustment data based on the wind energy information, the outlet temperature information, and the inlet temperature information further includes,
generating error change rate information of temperature based on the theoretical inlet temperature information and the inlet temperature information;
and obtaining the opening degree adjusting data according to a preset fuzzy model based on the error variation information and the error variation information.
By adopting the technical scheme, according to the theoretical inlet temperature information and the inlet temperature information, not only can the error variation information of the temperature be obtained, but also the error variation rate information of the temperature can be obtained by combining time, and more accurate opening degree adjusting data for adjusting the opening degree of the air inlet can be obtained through the two information based on the fuzzy model, so that the accuracy of temperature control is further improved.
Optionally, the method further comprises the step of,
acquiring distance information between a radiator and an engine coolant inlet;
generating coolant flow rate data based on the rotational speed adjustment data;
generating information on a time period for the coolant to flow from the radiator to the engine cooling inlet based on the coolant flow rate data;
and adjusting the inlet opening in advance based on the time information and the opening adjustment information.
Through adopting above-mentioned technical scheme, because the coolant liquid has certain distance from radiator transmission to engine coolant liquid entrance, make coolant liquid temperature control have certain transmission delay, influence for reducing this kind of transmission delay and bring, this application further through rotational speed regulation data and the distance information who gathers, learn lag time, and based on this time information, control engine coolant liquid in advance, thereby be favorable to eliminating the loss of the accuracy that the transportation delay brought, thereby further improved the accuracy nature of the temperature control of engine entrance coolant liquid.
Optionally, the wind energy information includes speed information of wind and temperature information of wind.
In a second aspect, the present application provides a computer-readable storage module comprising a memory storing program data corresponding to a method for controlling engine coolant temperature according to any one of the above techniques.
By adopting the technical scheme, the program language of the method in the technology is stored in the computer readable storage module, so that the method is convenient to popularize and use.
In a third aspect, the present application provides an engine coolant temperature control system comprising,
and the acquisition module is used for acquiring the detection data of the control system.
The transmission module is in data connection with the acquisition module and receives and transmits the detection data acquired by the acquisition module;
a computer readable memory module as described in the above-mentioned technology;
the processing module is in signal connection with the transmission module and is in data connection with the computer readable storage module, receives the detection data transmitted by the transmission module, and processes the detection data based on program data corresponding to the engine coolant temperature control method stored in the computer readable storage module to obtain rotating speed regulation data and inlet opening data;
and the execution module comprises an electronic water pump driver and an opening degree adjusting driver, the electronic water pump driver is in control connection with the processing module and receives and responds to the rotating speed adjusting data to adjust the rotating speed of the rotor of the electronic water pump, and the opening degree adjusting driver is in control connection with the processing module and receives and responds to the inlet opening degree data to adjust the inlet opening degree.
By adopting the technical scheme, the acquisition module acquires data in the control system to obtain detection data, the detection data are processed by the output module and transmitted to the processing module for processing, the processing module calls program data corresponding to the engine coolant temperature control method in the readable storage module to process the detection data to obtain rotating speed adjusting data and inlet opening data, and the execution module adjusts the opening of the air inlet of the electronic water pump and the radiator based on the two data to complete the automatic control process of the coolant temperature.
Optionally, the acquisition module includes a first module for acquiring the data,
the accelerator information reader is in data connection with a CAN bus of the automobile and used for reading accelerator change information;
the liquid temperature sensor is arranged at the position of an outlet of the engine cooling liquid at the inlet and is used for acquiring outlet temperature information of the engine cooling liquid at inlet temperature information;
the air speed sensor is arranged at the position of the air inlet of the radiator and used for detecting the air speed information of the air inlet of the radiator;
the air temperature sensor is arranged at the position of the air inlet of the radiator and used for detecting the air temperature information of the air inlet of the radiator; the displacement sensor is arranged at the position of an air inlet of the radiator and used for detecting the original opening information of the radiator;
and the speed sensor is arranged at the position of the rotating shaft of the electronic water pump and is used for detecting the rotating speed information of the rotor of the electronic water pump.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the temperature estimation algorithm is established according to the incidence relation between the theoretical temperature change information and the accelerator change information of the engine, and the theoretical temperature change information of the engine temperature is generated on the basis of the temperature estimation algorithm under the condition that the accelerator change information is obtained. And then, based on the theoretical temperature change information, generating rotating speed adjusting data needing to be adjusted by combining the acquired inlet temperature information, and finally adjusting the rotating speed data of the rotor of the electronic water pump based on the rotating speed adjusting data. In the aspect of radiator heat dissipation adjustment, the inventor generates opening adjustment data to be adjusted by acquiring wind energy information at an air inlet of a radiator and combining outlet temperature information and inlet temperature information, and adjusts the opening of the inlet of the radiator based on the opening adjustment data. Therefore, the temperature of the cooling liquid inlet of the engine is adjusted in real time along with various acquired data, and meanwhile, the accuracy of the temperature control of the cooling liquid at the inlet of the engine is improved;
2. the heat which is to be emitted by the engine is obtained in advance through the theoretical temperature change information, the theoretical speed change data of the electronic water pump are generated in advance based on the heat, and the rotating speed of the electronic water pump is subjected to feedforward regulation based on the theoretical speed change data. The rotating speed of the electronic water pump is subjected to feedback regulation through actually measured inlet temperature information, and the accuracy of temperature control at the inlet of the engine coolant is greatly improved through a feedforward and feedback regulation mode;
3. according to the theoretical inlet temperature information and the inlet temperature information, not only can the error variation information of the temperature be obtained, but also the error variation rate information of the temperature can be obtained by combining time, and more accurate opening degree adjusting data for adjusting the opening degree of the air inlet can be obtained through the two information based on a fuzzy model, so that the accuracy of temperature control is further improved.
Drawings
Fig. 1 is a block flow diagram of an engine coolant temperature control method according to an embodiment of the present application.
Fig. 2 is a block diagram of the flow of step S2.
Fig. 3 is a block diagram of the flow of step S3.
Fig. 4 is a block diagram of the flow of step S5.
Fig. 5 is a block diagram of an engine coolant temperature control system according to an embodiment of the present application.
Description of reference numerals: 1. an acquisition module; 11. a throttle information reader; 12. a liquid temperature sensor; 13. a wind speed sensor; 14. an air temperature sensor; 15. a displacement sensor; 16. a speed sensor; 2. a transmission module; 3. a computer-readable storage module; 4. a processing module; 5. an execution module; 51. an electronic water pump driver; 52. an opening degree adjusting driver.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, 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 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.
The execution sequence of the method steps described in the embodiments of the present application may be executed according to the sequence described in the specific implementation, or may be adjusted according to actual needs on the premise that the technical problem can be solved, which is not listed here.
The embodiments of the present application will be described in further detail with reference to the drawings attached hereto.
The embodiment of the application discloses a method for controlling the temperature of engine coolant.
Referring to fig. 1, an engine coolant temperature control method includes
And S1, acquiring accelerator change information, wind energy information of a radiator air inlet, inlet temperature information of engine cooling liquid and outlet temperature information of the engine cooling liquid. Specifically, databases of throttle change information and wind energy information, inlet temperature information and outlet temperature information are established and stored, and automatic assignment is performed on the databases from each collector or sensor. The wind energy information comprises wind speed information and wind temperature information.
And S2, generating theoretical temperature change information of the engine temperature according to a preset temperature estimation algorithm based on the accelerator change information. The specific step S2 includes the following steps:
s21, based on the accelerator change information, generating estimated rotation speed information of the engine according to a preset rotation speed estimation algorithm, wherein the rotation speed estimation algorithm is as follows:
N＝ks+δ
n represents estimated rotation speed information, s represents accelerator change information, k is a proportionality coefficient and is only related to an automobile gear, and k is a constant when the gear is fixed. δ is a complementary coefficient, which is related to the hardware state of the automobile, such as the opening degree of an accelerator, resistance, oil pressure, engine structure and the like, and the hardware structure is relatively kept unchanged in a certain time, and δ is also regarded as a fixed constant. Based on the rotation speed estimation algorithm, estimated rotation speed information N can be generated according to the accelerator change information s.
And S22, generating theoretical temperature change information according to the estimated rotation speed data and a temperature estimation algorithm. The temperature estimation algorithm is shown as follows:
wherein T is theoretical temperature change information, N is estimated rotation speed information, and alpha, beta and gamma are constant coefficients and are also related to the state of the automobile hardware.
And S3, generating rotation speed adjusting data based on the theoretical temperature change information and the inlet temperature information. Specifically, step S3 includes the following three substeps:
and S31, generating theoretical speed change data of the electronic water pump according to a preset rotating speed estimation algorithm based on the theoretical temperature change information. Specifically, the rotation speed estimation algorithm is shown as follows:
wherein ν is theoretical speed change data of the electronic water pump, T is theoretical temperature change information, τ and σ are proportionality coefficients, and as can be seen from the above formula, when the theoretical temperature change information T is greater than or equal to 0, it indicates that the engine temperature will rise along with the change of the accelerator, so that the theoretical speed of the electronic water pump will increase to keep stable and stable. On the contrary, the theoretical speed of the electronic water pump is reduced.
And S32, increasing or decreasing the rotating speed adjusting data based on the theoretical speed changing data, and adjusting the rotating speed adjusting data according to the theoretical speed changing data.
S33, increasing or decreasing the rotational speed adjustment data according to a preset threshold range of the engine temperature based on the inlet temperature information. Specifically, the threshold range of the implementation is selected to be 80-90 ℃, namely the optimal temperature range for the engine to work. And feeding back and adjusting the rotating speed adjusting data to be in a stable range based on the inlet temperature information measured by the fact.
And S4, adjusting the rotor speed of the electronic water pump according to the speed adjusting data. Thereby reach the regulation effect of carrying out feedforward with feedback to electronic water pump.
And S5, generating opening degree adjusting data based on the wind energy information, the outlet temperature information and the inlet temperature information. The step S5 specifically includes the following four substeps:
and S51, acquiring the original opening information of the radiator.
And S52, generating theoretical inlet temperature information through a preset heat exchange algorithm according to the outlet temperature data based on the original opening information and the wind energy information. In particular, theoretical inlet temperature data
Wherein, Δ t 1 Is the gas-liquid temperature difference, is determined by the outlet temperature data and the wind temperature data, o is the original opening information, v 1 Is the velocity information of the wind.
S53, based on the theoretical inlet temperature information and the inlet temperature information, generating the error variation information e of the temperature as t-
t is inlet temperature information.
S54, generating error change rate information of temperature based on the theoretical inlet temperature information and the inlet temperature information
t 0 Is time information.
S55, error change rate information e based on error change amount information e and temperature t Opening degree adjustment data is obtained according to a preset fuzzy model, and based on the opening degree adjustment data, step S6 is executed to adjust the opening degree of the inlet of the radiator according to the opening degree adjustment data. The fuzzy model can be selected as a fuzzy control matrix model.
An engine coolant temperature control method, further comprising the steps of:
s7, obtaining distance information between a radiator and an engine coolant inlet;
s8, generating cooling liquid flow rate data based on the rotating speed adjusting data;
s9, generating time information of the coolant flowing from the radiator to the engine cooling inlet based on the coolant flow rate data;
s10, the inlet opening is adjusted in advance based on the time information and the opening adjustment information.
Steps S7 to S10 are performed based on the collected original opening degree information and wind energy information, and in combination with the engine coolant outlet temperature information, i.e., the radiator coolant inlet temperature information, to obtain radiator coolant outlet temperature information, i.e., the theoretical inlet temperature information, and based on the theoretical inlet temperature information and the actually measured inlet temperature information, an error variation of the temperature is obtained, and based on the temperature variation, opening degree adjustment data for adjusting the opening degree of the air inlet may be obtained.
The embodiment of the application also discloses a computer readable storage module.
Specifically, the computer readable storage module, which stores a computer program that can be loaded by a processor and executes the engine coolant temperature control method as described above, for example, includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-only memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.
Based on the computer-readable storage medium, in order to realize the engine coolant temperature control method, the embodiment of the application further discloses an engine coolant temperature control system.
Referring to fig. 1, an engine coolant temperature control system includes an acquisition module 1, a transmission module 2, a readable storage module, a processing module 4, and an execution module 5.
The acquisition module 1 is used for acquiring detection data of a control system, and comprises,
the accelerator information reader 11 is connected with a CAN bus of the automobile in a data mode and used for reading accelerator change information;
the liquid temperature sensor 12 is arranged at the position of an outlet of the engine cooling liquid at an inlet and is used for acquiring outlet temperature information of the engine cooling liquid at inlet temperature information;
the air speed sensor 13 is arranged at the air inlet position of the radiator and is used for detecting the air speed information of the air inlet of the radiator;
the air temperature sensor 14 is arranged at the position of the air inlet of the radiator and used for detecting the air temperature information of the air inlet of the radiator;
the displacement sensor 15 is arranged at the air inlet position of the radiator and is used for detecting the original opening information of the radiator;
and the speed sensor 16 is arranged at the position of the rotating shaft of the electronic water pump and is used for detecting the rotating speed information of the rotor of the electronic water pump.
The transmission module 2, in this embodiment, the transmission module 2 includes a data transmission bus and an AD converter, and the data connection of the transmission module 2 to the acquisition module 1 receives and transmits the detection data acquired by the acquisition module 1.
A computer-readable memory module 3 as described in the above-mentioned technique;
the processing module 4 is in signal connection with the transmission module 2 and is in data connection with the computer-readable storage module 3, receives the detection data transmitted by the transmission module 2, and processes the detection data based on program data corresponding to the engine coolant temperature control method stored in the computer-readable storage module 3 to obtain rotation speed adjustment data and inlet opening data;
the execution module 5, which is selected as a microprocessor in this embodiment, includes an electronic water pump driver 51 and an opening adjustment driver 52, the electronic water pump driver 51 is connected to the processing module 4 in a control manner, receives and responds to the rotational speed adjustment data to adjust the rotational speed of the rotor of the electronic water pump, and the opening adjustment driver 52 is connected to the processing module 4 in a control manner, receives and responds to the inlet opening data to adjust the inlet opening. The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. An engine coolant temperature control method characterized by comprising: comprises that
Acquiring accelerator change information, wind energy information of an air inlet of a radiator, inlet temperature information of engine cooling liquid and outlet temperature information of the engine cooling liquid;
generating theoretical temperature change information of the engine temperature according to a preset temperature estimation algorithm based on the accelerator change information;
generating rotation speed adjusting data based on the theoretical temperature change information and the inlet temperature information;
adjusting the rotor speed of the electronic water pump according to the speed adjusting data;
generating opening degree adjustment data based on the wind energy information, the outlet temperature information and the inlet temperature information;
and adjusting the opening degree of the inlet of the radiator according to the opening degree adjusting data.
2. An engine coolant temperature control method according to claim 1, characterized in that: the theoretical temperature change information of the engine temperature is generated based on the accelerator change information according to a preset temperature estimation algorithm, including,
generating estimated rotation speed information of the engine according to a preset rotation speed estimation algorithm based on the accelerator change information;
and generating the theoretical temperature change information according to the estimated rotation speed data and the temperature estimation algorithm.
3. An engine coolant temperature control method according to claim 1, characterized in that: said generating rotational speed adjustment data based on said theoretical temperature change information and said inlet temperature information, comprising,
generating theoretical speed change data of the electronic water pump according to a preset rotating speed estimation algorithm based on the theoretical temperature change information;
increasing or decreasing the rotational speed adjustment data based on the theoretical speed change data;
increasing or decreasing the rotational speed adjustment data according to a preset threshold range of the engine temperature based on the inlet temperature information.
4. An engine coolant temperature control method according to claim 1, characterized in that: said generating opening adjustment data based on said wind energy information, said outlet temperature information, and said inlet temperature information, comprising,
acquiring original opening information of a radiator;
generating theoretical inlet temperature information through a preset heat exchange algorithm according to the outlet temperature data based on the original opening information and the wind energy information;
generating error variation information of temperature based on the theoretical inlet temperature information and the inlet temperature information;
and obtaining the opening degree adjusting data based on the error variation information.
5. The engine coolant temperature control method according to claim 4, characterized in that: generating opening degree adjustment data based on the wind energy information, the outlet temperature information, and the inlet temperature information, further comprising,
generating error change rate information of temperature based on the theoretical inlet temperature information and the inlet temperature information;
and obtaining the opening degree adjusting data according to a preset fuzzy model based on the error variation information and the error variation information.
6. An engine coolant temperature control method according to claim 1, characterized in that: the method further comprises the step of,
acquiring distance information between a radiator and an engine coolant inlet;
generating coolant flow rate data based on the rotational speed adjustment data;
generating information on a time period for the coolant to flow from the radiator to the engine cooling inlet based on the coolant flow rate data;
and adjusting the inlet opening in advance based on the time information and the opening adjustment information.
7. An engine coolant temperature control method according to claim 1, characterized in that: the wind energy information comprises wind speed information and wind temperature information.
8. A computer-readable memory module, characterized in that: includes a memory storing program data corresponding to execution of an engine coolant temperature control method according to any one of claims 1 to 7.
9. An engine coolant temperature control system characterized in that: comprises the steps of (a) preparing a mixture of a plurality of raw materials,
the acquisition module (1) is used for acquiring detection data of the control system;
the transmission module (2) is in data connection with the acquisition module (1) and receives and transmits the detection data acquired by the acquisition module (1);
a computer-readable memory module (3) according to claim 8;
the processing module (4) is in signal connection with the transmission module (2) and is in data connection with the computer-readable storage module (3), receives the detection data transmitted by the transmission module (2), and processes the detection data based on program data corresponding to one engine coolant temperature control method stored in the computer-readable storage module (3) to obtain rotating speed regulation data and inlet opening data;
and the execution module (5) comprises an electronic water pump driver (51) and an opening degree adjusting driver (52), wherein the electronic water pump driver (51) is in control connection with the processing module (4) and receives and responds to the rotating speed adjusting data to adjust the rotating speed of a rotor of the electronic water pump, and the opening degree adjusting driver (52) is in control connection with the processing module (4) and receives and responds to the inlet opening degree data to adjust the inlet opening degree.
10. An engine coolant temperature control system according to claim 9, characterized in that: the acquisition module (1) comprises a plurality of acquisition modules,
the accelerator information reader (11) is in data connection with a CAN bus of the automobile and is used for reading accelerator change information;
the liquid temperature sensor (12) is arranged at the position of an inlet of an outlet of the engine cooling liquid and is used for acquiring outlet temperature information of the engine cooling liquid from inlet temperature information;
the air speed sensor (13) is arranged at the air inlet position of the radiator and is used for detecting the air speed information of the air inlet of the radiator;
the air temperature sensor (14) is arranged at the air inlet position of the radiator and is used for detecting the air temperature information of the air inlet of the radiator;
the displacement sensor (15) is arranged at the air inlet position of the radiator and used for detecting the original opening information of the radiator;
and the speed sensor (16) is arranged at the position of the rotating shaft of the electronic water pump and is used for detecting the rotating speed information of the rotor of the electronic water pump.
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1405992A1 (en) * | 2002-10-02 | 2004-04-07 | Mark IV Systemes Moteurs (Société Anonyme) | Control system for controlling a vehicle engine cooling system |
| KR20130031539A (en) * | 2011-09-21 | 2013-03-29 | 현대자동차주식회사 | Control system for electric water pump of vehicle, and control method thereof |
| EP2602135A1 (en) * | 2011-12-05 | 2013-06-12 | C.R.F. Società Consortile per Azioni | Control of an automotive air conditioning system with air reheating based on internal combustion engine coolant flow control |
| CN108501689A (en) * | 2017-02-28 | 2018-09-07 | 长城汽车股份有限公司 | Thermal management algorithm, system and the vehicle of vehicle high-voltage attachment |
| CN108547694A (en) * | 2018-03-30 | 2018-09-18 | 潍柴动力股份有限公司 | A kind of detection method of electromagnetic fan, detection device and detecting system |
| CN109435680A (en) * | 2018-09-19 | 2019-03-08 | 上海汽车集团股份有限公司 | Automotive power temperature control equipment and its control method |
| JP2020049996A (en) * | 2018-09-25 | 2020-04-02 | トヨタ自動車株式会社 | Engine cooling system |
| CN113147365A (en) * | 2020-08-07 | 2021-07-23 | 长城汽车股份有限公司 | Cooling control method and device for vehicle, storage medium and electronic device |
-
2022
- 2022-06-10 CN CN202210651850.2A patent/CN114991934B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1405992A1 (en) * | 2002-10-02 | 2004-04-07 | Mark IV Systemes Moteurs (Société Anonyme) | Control system for controlling a vehicle engine cooling system |
| KR20130031539A (en) * | 2011-09-21 | 2013-03-29 | 현대자동차주식회사 | Control system for electric water pump of vehicle, and control method thereof |
| EP2602135A1 (en) * | 2011-12-05 | 2013-06-12 | C.R.F. Società Consortile per Azioni | Control of an automotive air conditioning system with air reheating based on internal combustion engine coolant flow control |
| CN108501689A (en) * | 2017-02-28 | 2018-09-07 | 长城汽车股份有限公司 | Thermal management algorithm, system and the vehicle of vehicle high-voltage attachment |
| CN108547694A (en) * | 2018-03-30 | 2018-09-18 | 潍柴动力股份有限公司 | A kind of detection method of electromagnetic fan, detection device and detecting system |
| CN109435680A (en) * | 2018-09-19 | 2019-03-08 | 上海汽车集团股份有限公司 | Automotive power temperature control equipment and its control method |
| JP2020049996A (en) * | 2018-09-25 | 2020-04-02 | トヨタ自動車株式会社 | Engine cooling system |
| CN113147365A (en) * | 2020-08-07 | 2021-07-23 | 长城汽车股份有限公司 | Cooling control method and device for vehicle, storage medium and electronic device |
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