CN112177754A - Control method, system and storage medium for warm air water circulation of fuel automobile - Google Patents
Control method, system and storage medium for warm air water circulation of fuel automobile Download PDFInfo
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- CN112177754A CN112177754A CN202011056832.7A CN202011056832A CN112177754A CN 112177754 A CN112177754 A CN 112177754A CN 202011056832 A CN202011056832 A CN 202011056832A CN 112177754 A CN112177754 A CN 112177754A
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- warm air
- engine
- temperature
- water circulation
- water
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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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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60H—ARRANGEMENTS OF HEATING, COOLING, VENTILATING OR OTHER AIR-TREATING DEVICES SPECIALLY ADAPTED FOR PASSENGER OR GOODS SPACES OF VEHICLES
- B60H1/00—Heating, cooling or ventilating [HVAC] devices
- B60H1/02—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant
- B60H1/04—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant
- B60H1/06—Heating, cooling or ventilating [HVAC] devices the heat being derived from the propulsion plant from cooling liquid of the plant directly from main radiator
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/02—Arrangement in connection with cooling of propulsion units with liquid cooling
- B60K11/04—Arrangement or mounting of radiators, radiator shutters, or radiator blinds
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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
- F01P11/16—Indicating devices; Other safety devices concerning coolant temperature
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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
- F01P7/165—Controlling of coolant flow the coolant being liquid by thermostatic control characterised by systems with two or more loops
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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
- F01P2007/146—Controlling of coolant flow the coolant being liquid using valves
-
- 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
- F01P2025/13—Ambient temperature
-
- 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
- F01P2050/00—Applications
- F01P2050/22—Motor-cars
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Transportation (AREA)
- Air-Conditioning For Vehicles (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a control method, a system and a storage medium for warm air water circulation of a fuel oil automobile. The running state of an engine is detected, if the engine runs, whether a warm air requirement exists is detected, whether an electromagnetic valve on a warm air water path is opened or not is judged according to the running time of the engine, the water temperature of the engine and a preset value, and whether warm air water circulation is opened or not is determined; if the engine does not run, the electromagnetic valve on the warm air water path is controlled to be opened, and the warm air water is circularly opened. According to the invention, the running state and the warm air requirement of the engine are judged, warm air control is realized based on time and a water temperature threshold, the engine can adapt to different external environment temperatures, and the warm-up temperature is quickly increased within the time accepted by a user; and when the temperature of the engine is higher, the engine can be assisted to dissipate heat, and the cooling cost of the engine is reduced.
Description
Technical Field
The invention belongs to the technical field of automobile control, and particularly relates to a control method, a system and a storage medium for warm air water circulation of a fuel automobile.
Background
The engine warming speed is accelerated, the fuel consumption and the pollutant emission of the automobile are reduced, and heat required by warm air can be supplied to a driver and passengers earlier. Some automobiles close the warm air water circulation by setting up an electromagnetic valve on the warm air water path and closing the electromagnetic valve to accelerate the engine warming-up speed.
However, in the prior art, when warm air is required, the opening and closing of warm air water circulation is controlled according to the water temperature of the engine, and the change of the external temperature and the requirements and feelings of users are not considered. If the set engine water temperature threshold is too large, the time for the engine water temperature to reach the threshold is too long when the weather is particularly cold, which is easy to cause complaints of users. If the set water temperature threshold of the engine is too small, when the weather is not very cold, warm air water circulation is started if the engine is not fully warmed, and quick warming is not facilitated.
In addition, in the prior art, when no warm air is required, no warm air water circulation is opened no matter how much the water temperature of the engine is. It fails to utilize the heat dissipation of the warm air water path, requiring a radiator and fan of greater heat dissipation capacity, increasing the cost of the engine cooling system.
Disclosure of Invention
The invention aims to solve the defects of the background technology, and provides a method, a system and a storage medium for controlling warm air water circulation of a fuel automobile.
The technical scheme adopted by the invention is as follows: a control method for warm air and water circulation of fuel-oil automobile, detecting the running state of engine,
if the engine runs, detecting whether a warm air requirement exists, judging whether to start an electromagnetic valve on a warm air water path according to the running time of the engine and the size relation between the water temperature of the engine and a preset value, and determining whether to start warm air water circulation;
if the engine does not run, the electromagnetic valve on the warm air water path is controlled to be opened, and the warm air water is circularly opened.
Further, the preset value comprises a set time value, a first temperature threshold value and a second temperature threshold value, and the set time value, the first temperature threshold value and the second temperature threshold value are calibrated values.
Further, if the engine runs, a warm air requirement is detected, and the running time of the engine is greater than a set time value or the water temperature of the engine is greater than a first temperature threshold value, the electromagnetic valve on the warm air water path is controlled to be opened, and the warm air water is circularly opened.
Further, if the engine runs, a warm air requirement is detected, the running time of the engine is less than or equal to a set time value, and the water temperature of the engine is less than or equal to a first temperature threshold value, the electromagnetic valve on the warm air water path is controlled to be closed, and the warm air water is closed in a circulating mode.
Further, if the engine runs, no warm air requirement is detected, and the water temperature of the engine is greater than a second temperature threshold value, the electromagnetic valve on the warm air water path is controlled to be opened, and the warm air water is circularly opened.
Further, if the engine runs, no warm air requirement is detected, and the water temperature of the engine is smaller than or equal to a second temperature threshold value, the electromagnetic valve on the warm air water path is controlled to be closed, and the warm air water circulation is closed.
Further, the set time value is obtained according to a table lookup MAP1 of the environment temperature outside the vehicle, and the MAP1 is set according to the time for waiting for the warm air, which is obtained by market research and acceptable by users in different regions.
Still further, the second temperature threshold is greater than the first temperature threshold.
A warm air water circulation control system for a fuel oil automobile comprises
The controller is used for detecting the running state, the warm air request state and the running time of the engine, receiving water temperature data of the engine, and analyzing and judging to send an opening or closing instruction to the electromagnetic valve according to the detected and received data;
the temperature detection module is used for detecting the water temperature of the engine and sending the water temperature to the control module,
and the electromagnetic valve is arranged on the warm air water path, executes opening or closing actions according to the opening or closing instructions, and determines to open or close warm air water circulation.
A computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the method according to any one of claims 1-8.
According to the invention, the running state and the warm air requirement of the engine are judged, warm air control is realized based on time and a water temperature threshold, the engine can adapt to different external environment temperatures, and the warm-up temperature is quickly increased within the time accepted by a user; and when the temperature of the engine is higher, the engine can be assisted to dissipate heat, and the cooling cost of the engine is reduced.
Drawings
Fig. 1 is a schematic diagram of a warm air water circulation control system of the present invention.
Fig. 2 is a flow chart of warm air water circulation control according to the present invention.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.
As shown in fig. 1, the present invention has an electromagnetic valve disposed on the warm air water path, the electromagnetic valve controls the opening and closing of the warm air water circulation, the electromagnetic valve is controlled by a controller, and the controller determines whether to close the electromagnetic valve according to the ambient temperature, the engine water temperature, the engine operating state, and the warm air request state. When the electromagnetic valve is not electrified, the electromagnetic valve is in an open state, and the warm air water is circularly opened; when current flows through the electromagnetic valve, the electromagnetic valve is closed, and the warm air water circulation is closed. For the sake of functional safety and energy conservation, the solenoid valve is of a normal type.
As shown in fig. 2, in order to control the warm air water circulation according to the present invention, the operation state of the engine is first detected, and when the engine is not operating, the solenoid valve on the warm air water path is not energized, and the warm air water circulation remains open.
When the engine runs, whether a warm air demand exists is detected, whether an electromagnetic valve on a warm air water path is started is judged according to the magnitude relation between the running time of the engine, the water temperature of the engine and preset values, and whether warm air water circulation is started is determined, wherein the preset values comprise a set time value T1, a first temperature threshold value T1 and a second temperature threshold value T2, and the set time value, the first temperature threshold value and the second temperature threshold value are all calibrated values, specifically as follows.
If the air conditioning system has a warm air demand, when the engine operation time is less than or equal to a set time value T1 and the engine water temperature is less than or equal to a first temperature threshold value T1, the warm air water circulation is closed to accelerate the warming-up of the engine. Otherwise, when the running time of the engine is greater than the set time value T1 or the water temperature of the engine is greater than the first temperature threshold value T1, the warm air water circulation is opened, and heat required by warm air is provided while heat dissipation is assisted.
If the air conditioning system has no warm air demand, when the temperature of the engine water is less than or equal to a second temperature threshold T2, the warm air water circulation is closed to accelerate the engine warm-up. Otherwise, when the temperature of the water in the engine is greater than a second temperature threshold T2, a warm air water circulation is opened to assist the engine in dissipating heat.
The set time value t1 for the engine operation is obtained from a MAP1 that looks up the vehicle exterior ambient temperature. The MAP1 is set according to the time for waiting for warm air that is acceptable to users in different regions obtained by market research. Acquiring the warm air waiting time acceptable by users in different regions (which can be divided based on the average temperature in winter) in the historical record to obtain an original data set; randomly extracting N sample data from original data sets of different regions in a random sampling mode; and removing a maximum value and a minimum value in the sample data extracted from each region, calculating an average value of the residual sample data, and obtaining the warm air time of different regions, thereby obtaining set time values t1 corresponding to different environmental temperatures.
The first temperature threshold T1 of the engine water temperature is obtained according to an engine friction work test, and engine water temperature and engine friction work data are obtained; and calculating the friction work change of the unit water temperature change according to the acquired data, and taking the water temperature corresponding to the node smaller than the preset change as the engine water temperature threshold T1. The second temperature threshold T2 is determined based on the actual heat dissipation requirements of the engine, and is generally within the normal operating temperature range of the engine or slightly less than the minimum value of the normal operating temperature of the engine, where T1 is less than T2.
The functions realized by the control method can be stored in a computer readable storage medium if the functions are realized in the form of software functional modules and sold or used as independent products. Based on such understanding, the technical solution of the present invention may be embodied in the form of a software product, which is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the method according to the embodiment of the present invention. And the aforementioned storage medium includes: a U-disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk or an optical disk, and other various media capable of storing program codes.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Those not described in detail in this specification are within the skill of the art.
Claims (10)
1. A control method for warm air water circulation of a fuel oil automobile is characterized by comprising the following steps:
the operating state of the engine is detected,
if the engine runs, detecting whether a warm air requirement exists, judging whether to start an electromagnetic valve on a warm air water path according to the running time of the engine and the size relation between the water temperature of the engine and a preset value, and determining whether to start warm air water circulation;
if the engine does not run, the electromagnetic valve on the warm air water path is controlled to be opened, and the warm air water is circularly opened.
2. The method for controlling warm air and water circulation of the oil-fired automobile according to claim 1, characterized in that: the preset value comprises a set time value, a first temperature threshold value and a second temperature threshold value, and the set time value, the first temperature threshold value and the second temperature threshold value are calibrated values.
3. The method for controlling warm air and water circulation of the oil-fired automobile according to claim 2, characterized in that: if the engine runs, the warm air requirement is detected, and the running time of the engine is greater than a set time value or the water temperature of the engine is greater than a first temperature threshold value, the electromagnetic valve on the warm air water path is controlled to be opened, and the warm air water circulation is opened.
4. The method for controlling warm air and water circulation of the oil-fired automobile according to claim 2, characterized in that: if the engine runs, the warm air requirement is detected, the running time of the engine is less than or equal to the set time value, and the water temperature of the engine is less than or equal to the first temperature threshold value, the electromagnetic valve on the warm air water path is controlled to be closed, and the warm air water circulation is closed.
5. The method for controlling warm air and water circulation of the oil-fired automobile according to claim 2, characterized in that: if the engine runs, no warm air requirement is detected, and the water temperature of the engine is greater than a second temperature threshold value, the electromagnetic valve on the warm air water path is controlled to be opened, and the warm air water circulation is opened.
6. The method for controlling warm air and water circulation of the oil-fired automobile according to claim 2, characterized in that: if the engine runs, no warm air requirement is detected, and the water temperature of the engine is smaller than or equal to a second temperature threshold value, the electromagnetic valve on the warm air water path is controlled to be closed, and the warm air water is closed in a circulating mode.
7. The method for controlling warm air and water circulation of the oil-fired automobile according to claim 2, characterized in that: the set time value is obtained according to a table look-up MAP1 of the environment temperature outside the vehicle, and the MAP1 is set according to the time for waiting for warm air, which is obtained by market research and acceptable by users in different regions.
8. The method for controlling warm air and water circulation of the oil-fired automobile according to claim 2, characterized in that: the second temperature threshold is greater than the first temperature threshold.
9. The utility model provides a control system of fuel automobile warm braw hydrologic cycle which characterized in that: comprises that
The controller is used for detecting the running state, the warm air request state and the running time of the engine, receiving water temperature data of the engine, and analyzing and judging to send an opening or closing instruction to the electromagnetic valve according to the detected and received data;
the temperature detection module is used for detecting the water temperature of the engine and sending the water temperature to the control module,
and the electromagnetic valve is arranged on the warm air water path, executes opening or closing actions according to the opening or closing instructions, and determines to open or close warm air water circulation.
10. A computer-readable storage medium having stored thereon a computer program, characterized in that: the computer program, when executed by a processor, implementing the method of any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056832.7A CN112177754B (en) | 2020-09-29 | 2020-09-29 | Control method, system and storage medium for warm air water circulation of fuel automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011056832.7A CN112177754B (en) | 2020-09-29 | 2020-09-29 | Control method, system and storage medium for warm air water circulation of fuel automobile |
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| CN112177754A true CN112177754A (en) | 2021-01-05 |
| CN112177754B CN112177754B (en) | 2022-05-03 |
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| CN202011056832.7A Active CN112177754B (en) | 2020-09-29 | 2020-09-29 | Control method, system and storage medium for warm air water circulation of fuel automobile |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113738493A (en) * | 2021-10-09 | 2021-12-03 | 中国第一汽车股份有限公司 | Method and device for controlling water temperature of engine, vehicle controller and medium |
| CN113879074A (en) * | 2021-09-28 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Vehicle cooling system control method |
| CN114763050A (en) * | 2021-01-11 | 2022-07-19 | 长城汽车股份有限公司 | Control method of vehicle warm air system and terminal equipment |
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| CN208393037U (en) * | 2018-04-26 | 2019-01-18 | 北京汽车股份有限公司 | Hybrid vehicle and its heat exchange circulation system |
| CN110450603A (en) * | 2019-07-15 | 2019-11-15 | 中国第一汽车股份有限公司 | Warm wind control method, device, entire car controller and vehicle |
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2020
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| EP0084378A1 (en) * | 1982-01-19 | 1983-07-27 | Nippondenso Co., Ltd. | Engine cooling system control apparatus |
| JPS6277216A (en) * | 1985-09-30 | 1987-04-09 | Nippon Denso Co Ltd | Regenerative type heating apparatus for vehicle |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114763050A (en) * | 2021-01-11 | 2022-07-19 | 长城汽车股份有限公司 | Control method of vehicle warm air system and terminal equipment |
| CN113879074A (en) * | 2021-09-28 | 2022-01-04 | 安徽江淮汽车集团股份有限公司 | Vehicle cooling system control method |
| CN113738493A (en) * | 2021-10-09 | 2021-12-03 | 中国第一汽车股份有限公司 | Method and device for controlling water temperature of engine, vehicle controller and medium |
| CN113738493B (en) * | 2021-10-09 | 2022-11-04 | 中国第一汽车股份有限公司 | Method and device for controlling water temperature of engine, vehicle controller and medium |
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| CN112177754B (en) | 2022-05-03 |
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