CN119159986A - Range extender cooling control method, device, terminal equipment and storage medium - Google Patents
Range extender cooling control method, device, terminal equipment and storage medium Download PDFInfo
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- CN119159986A CN119159986A CN202411678907.3A CN202411678907A CN119159986A CN 119159986 A CN119159986 A CN 119159986A CN 202411678907 A CN202411678907 A CN 202411678907A CN 119159986 A CN119159986 A CN 119159986A
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- 238000001816 cooling Methods 0.000 title claims abstract description 199
- 239000004606 Fillers/Extenders Substances 0.000 title claims abstract description 160
- 238000000034 method Methods 0.000 title claims abstract description 65
- 238000010248 power generation Methods 0.000 claims abstract description 83
- 239000000110 cooling liquid Substances 0.000 claims abstract description 65
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 31
- 238000004590 computer program Methods 0.000 claims description 21
- 238000004364 calculation method Methods 0.000 claims description 8
- 238000012545 processing Methods 0.000 claims description 7
- 239000002826 coolant Substances 0.000 claims description 2
- 230000017525 heat dissipation Effects 0.000 abstract description 4
- 230000002035 prolonged effect Effects 0.000 abstract 1
- 230000008569 process Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 11
- 238000012544 monitoring process Methods 0.000 description 5
- 230000006870 function Effects 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000003190 augmentative effect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 208000019901 Anxiety disease Diseases 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000036506 anxiety Effects 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000004422 calculation algorithm Methods 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 239000012809 cooling fluid Substances 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
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Classifications
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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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K11/00—Arrangement in connection with cooling of propulsion units
- B60K11/06—Arrangement in connection with cooling of propulsion units with air cooling
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/62—Hybrid vehicles
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- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Control Of Temperature (AREA)
Abstract
The application provides a cooling control method, a device, terminal equipment and a storage medium of a range extender, which are suitable for the technical field of new energy automobiles, wherein the method comprises the steps of obtaining information of a driving mileage, information of a current generating capacity, temperature of a cooling liquid and information of a target mileage; the method comprises the steps of calculating current average power generation amount according to the travelled distance information and the current power generation amount information, determining cooling threshold interval information according to the travelled distance information, a preset high-temperature travel time threshold, target distance information and travelled distance information when the target distance information is larger than zero and the current average power generation amount is larger than a preset average power generation amount threshold, and carrying out cooling treatment on a range extender according to the cooling threshold interval information and cooling liquid temperature. According to the application, under the condition that a driver definitely aims at a target mileage, the working temperature rise state of the range extender is identified in advance for heat dissipation treatment aiming at different road conditions, so that the oil consumption is reduced and the service life of the system is prolonged.
Description
Technical Field
The application belongs to the technical field of new energy automobiles, and particularly relates to a cooling control method and device of a range extender, terminal equipment and a storage medium.
Background
The range-extended electric automobile can achieve all power performances under a pure electric mode, and when an energy storage system cannot meet the requirements of the range mileage, the problems of limited range mileage, long charging time and the like exist, the range-extended automobile type just solves the problems, can enjoy pollution-free and silent driving experience when the automobile runs purely in urban areas, can be flexibly switched to a fuel mode on an expressway, eliminates the range anxiety, and is much faster in fueling than charging, so that the range-extended electric automobile becomes a development bright point of a new energy automobile.
However, the extended range electric automobile runs in a full load and long distance under the conditions of whole automobile power feeding and high temperature, and the engine can work at high power for a long time to generate electricity, so that the water temperature of the engine is in a high temperature state for a long time. When the power requirement of vehicle climbing is met, the air temperature of an engine cooling system in the vehicle for heat dissipation is increased due to the fact that the speed of the vehicle is reduced, the cooling effect is further deteriorated, and the vehicle expansion kettle is enabled to turn over due to the fact that the temperature in an engine cylinder is continuously high, so that parts in the engine cylinder are damaged by the high temperature. Therefore, the cooling process for the range extender is necessary during the full-load running.
In the prior art, a range extender of a vehicle is generally set with a fixed cooling threshold, and when the temperature of cooling liquid in the vehicle is not less than the fixed cooling threshold, the range extender is cooled by a water pump and a fan. But the real road condition is various, and under different road conditions, the radiating opportunity and the demand of journey increase ware are different, therefore required cooling threshold also is different, and fixed cooling threshold lacks flexibility and timeliness, can't reach the radiating best effect of vehicle.
Disclosure of Invention
In view of the above, the embodiments of the present application provide a cooling control method, apparatus, terminal device, and storage medium for a range extender, which can enable a range extender to perform heat dissipation treatment on the range extender in advance under different road conditions by setting a plurality of dynamic thresholds, so as to effectively shorten the high-temperature operation time of the range extender, thereby reducing potential safety hazards caused by too high temperature of the range extender.
A first aspect of an embodiment of the present application provides a method for controlling cooling of a range extender, including:
calculating target mileage information according to mileage values pointed by pointers of a plurality of mileage adjusting knobs of the automobile;
Acquiring information of the travelled distance, information of the current generating capacity and the temperature of the cooling liquid;
Calculating the current average power generation amount according to the travelled distance information and the current power generation amount information;
When the target mileage information is larger than zero and the current average power generation amount is larger than a preset average power generation amount threshold, calculating a high-temperature mileage threshold according to the travelled mileage information and a preset high-temperature travel time threshold;
Determining cooling threshold interval information according to the target mileage information, the travelled mileage information and the high-temperature travelled mileage threshold;
and cooling the range extender according to the cooling threshold interval information and the cooling liquid temperature.
A second aspect of an embodiment of the present application provides a range extender cooling control device, including:
the target mileage information calculation module is used for calculating target mileage information according to the mileage values pointed by the pointers of the plurality of mileage adjusting knobs of the automobile;
The driving information acquisition module is used for acquiring the driving mileage information, the current generating capacity information and the temperature of the cooling liquid;
The current average power generation amount calculation module is used for calculating the current average power generation amount according to the travelled mileage information and the current power generation amount information;
The high-temperature driving mileage threshold calculating module is used for judging that the target mileage information is larger than zero, and calculating a high-temperature driving mileage threshold according to the driven mileage information and a preset high-temperature driving time threshold when the current average power generation amount is larger than a preset average power generation amount threshold;
the cooling threshold interval information determining module is used for determining cooling threshold interval information according to the target mileage information, the travelled mileage information and the high-temperature travelled mileage threshold;
and the cooling processing module is used for cooling the range extender according to the cooling threshold interval information and the temperature of the cooling liquid.
A third aspect of the embodiments of the present application provides a terminal device, the terminal device including a memory, a processor, the memory storing a computer program executable on the processor, the processor implementing the steps of the range extender cooling control method according to any one of the first aspect when executing the computer program.
A fourth aspect of the embodiments of the present application provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the range extender cooling control method according to any one of the first aspect above.
Compared with the prior art, the method has the advantages that the average power generation amount of the range extender in the running process of the automobile is determined according to the target running mileage, the running mileage and the current power generation amount of the range extender, whether the range extender is high Wen Qingkuang is judged according to the size relation between the average power generation amount and the preset average power generation amount threshold value, then the high-temperature running mileage threshold value is calculated, the cooling threshold value interval of cooling liquid is determined according to the target running mileage, the running mileage and the high-temperature running mileage threshold value, and then the range extender is cooled according to the temperature of the cooling liquid and the cooling threshold value interval, so that the cooling operation can be automatically controlled based on the target running mileage, the time that the range extender possibly appears in the high-temperature state under different road working conditions of the range extender is shortened, and the whole automobile performance and oil consumption are optimized.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of an implementation flow of a cooling control method for a range extender according to an embodiment of the present application;
FIG. 2 is a schematic diagram of an implementation flow of a method for controlling cooling of a range extender according to an embodiment of the present application;
FIG. 3 is a schematic diagram of an implementation flow of a cooling control method for a range extender according to an embodiment of the present application;
Fig. 4 is a schematic diagram of an implementation flow of a cooling control method of a range extender according to an embodiment of the present application;
FIG. 5 is a schematic diagram of an implementation flow of a method for controlling cooling of a range extender according to an embodiment of the present application;
FIG. 6 is a schematic diagram of an implementation flow of a method for controlling cooling of a range extender according to an embodiment of the present application;
FIG. 7 is a schematic diagram of an implementation flow of a method for controlling cooling of a range extender according to an embodiment of the present application;
FIG. 8 is a schematic diagram of a cooling control device for a range extender according to an embodiment of the present application;
Fig. 9 is a schematic diagram of a terminal device provided in an embodiment of the present application.
Detailed Description
In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.
In order to illustrate the technical scheme of the application, the following description is made by specific examples.
Fig. 1 shows a flowchart of an implementation of a cooling control method for a range extender according to an embodiment of the present application, which is described in detail below:
Step S101, calculating target mileage information according to mileage values pointed by pointers of a plurality of mileage adjusting knobs of the automobile.
In this embodiment, the plurality of mileage adjusting knobs refer to manual mileage knobs in the range-extended automobile, and the plurality of manual mileage knobs are selected corresponding to different mileage switches respectively, so that different target mileage information can be set through the manual mileage knobs. The mileage values corresponding to the pointers of the plurality of manual mileage knobs can be added to obtain the target mileage information. The target mileage information is used to represent the mileage that the extended range automobile is planning to travel.
Step S102, the information of the travelled distance, the information of the current power generation amount and the temperature of the cooling liquid are obtained.
In this embodiment, the travelled distance information is used to represent the travelled distance of the extended range vehicle among the planned travelled distances, and may be calculated by the diameter of the wheel and the number of turns of the wheel measured by the sensor, or may be one or more kilometers travelled, and used to calculate the average power generation amount per kilometer. The current generating capacity information can be that the generating power of the range extender at each moment is detected through a sensor, then the generating capacity of the current last kilometer is calculated through the accumulated generating power of the last kilometer and the number of kilometers already travelled, and the generating capacity of the current last kilometer is used as the current generating capacity information. The temperature of the cooling fluid can be measured by a temperature sensor in the cooling system of the extended range automobile.
Step S103, calculating the current average power generation amount according to the driving mileage information and the current power generation amount information.
In this embodiment, the current kilometer accumulated power generation amount may be divided by the travelled distance information, where the travelled distance information may be one kilometer, to obtain the current kilometer average power generation amount, where the current kilometer accumulated power generation amount is the current power generation amount information, and the current kilometer average power generation amount is the current average power generation amount. It will be appreciated that the current power generation information is updated once every kilometer. The current average power generation amount is used for comparing the current average power generation amount with an average power generation amount threshold set by people so as to judge whether the current range extender is in a high-temperature running state or not or whether the current range extender is about to be in the high-temperature running state or not.
Step S104, judging whether the target mileage information is larger than zero and whether the current average power generation amount is larger than a preset average power generation amount threshold, if so, calculating a high-temperature mileage threshold according to the travelled mileage information and a preset high-temperature travel time threshold, and if not, judging whether the current average power generation amount is larger than the preset average power generation amount threshold.
In this embodiment, whether the target mileage information is greater than zero is determined, and when the target mileage is greater than zero, it indicates that the user successfully inputs the target mileage information through the manual knob, and then the high-temperature driving mileage threshold is calculated based on the target mileage information, so as to introduce the target mileage information to perform adaptive regulation and control on the cooling process of the range extender. When the target mileage is equal to zero, the fact that the user does not input the target mileage information through the manual knob or the user does not successfully input the target mileage information through the manual knob is indicated, whether the current average power generation amount is larger than a preset average power generation amount threshold value is not needed to be judged, and heat dissipation is directly controlled according to the water temperature of the cooling liquid.
Step S105, determining cooling threshold interval information according to the target mileage information, the travelled mileage information and the high-temperature travelled mileage threshold.
In this embodiment, the difference value may be calculated between the target mileage information and the travelled mileage information to obtain the remaining mileage information, and then the remaining mileage information is compared with the high-temperature travelled mileage threshold value, so as to determine whether the current journey-increasing device is in the high-temperature state or is about to complete the travelled of the target mileage in the running state of the current journey-increasing device, if the high-temperature running state of the current journey-increasing device cannot complete the travelled of the target mileage, determining the cooling measure to be taken for the journey-increasing device according to the cooling threshold value interval and the current cooling liquid temperature. The cooling threshold interval information can be set manually, and different cooling measures are adopted for the range extender by judging whether the current cooling liquid temperature falls into the cooling threshold interval or not.
And step S106, cooling the range extender according to the cooling threshold interval information and the cooling liquid temperature.
In this embodiment, whether the current cooling liquid temperature falls within the cooling threshold interval may be determined, so as to determine a cooling measure best adapted to the current running state of the range extender according to the current cooling liquid temperature, so as to cool the range extender.
According to the cooling control method for the range extender provided by the embodiment of the application, the average power generation amount of the last kilometer of the vehicle in the running process is determined according to the target running mileage, the running mileage and the current power generation amount of the range extender, whether the range extender is high Wen Qingkuang is judged according to the magnitude relation between the average power generation amount and the preset average power generation amount threshold value, then the high-temperature running mileage threshold value is calculated, the cooling threshold value interval of cooling liquid is determined according to the target running mileage, the running mileage and the high-temperature running mileage threshold value, and then the range extender is cooled according to the temperature of the cooling liquid and the cooling threshold value interval, so that the cooling work can be automatically controlled based on the target running mileage, the time that the range extender possibly appears in the high-temperature state under different road working conditions of the range extender is reduced, and the whole vehicle performance and oil consumption are optimized.
Fig. 2 shows a flowchart of an implementation of the cooling control method for the range extender according to the second embodiment of the present application, which is different from the first embodiment in that in the step S104, a high-temperature driving range threshold is calculated according to the driving range information and a preset high-temperature driving time threshold, and specifically includes:
Step S201, the travel time information is acquired.
In this embodiment, the elapsed time represents the time taken by the extended range vehicle to travel one kilometer.
Step S202, obtaining the average running speed according to the information of the travelled distance and the information of the travelled time.
In this embodiment, the average travel speed of the last kilometer may be obtained by dividing the traveled distance by the traveled time, so that the high-temperature travel distance threshold of the range extender in the high-temperature operation state or in the about-to-be-in-high-temperature operation state is calculated later.
Step S203, obtaining a high-temperature driving mileage threshold according to the average driving speed and a preset high-temperature driving time threshold.
In this embodiment, the high-temperature driving mileage threshold may be obtained by multiplying the average driving speed by a high-temperature driving time threshold set by a person, and the high-temperature driving mileage threshold may be used for determining a cooling threshold interval of the cooling liquid subsequently, so as to determine a cooling measure applicable to the current running state of the range extender.
According to the cooling control method for the range extender, the high-temperature driving mileage threshold value is calculated through the driving mileage and the driving time and the preset high-temperature driving time threshold value, and is used for comparing with the current temperature of the cooling liquid, so that cooling measures suitable for the current running state of the range extender are determined to cool the range extender, the running time of the range extender in the high-temperature state is shortened, and the safety and reliability of the range extender in the running process of an automobile are improved.
Fig. 3 shows a flowchart of an implementation of the range extender operation safety monitoring method according to the third embodiment of the present application, which is different from the first embodiment in that the step S105 specifically includes:
step S301, calculating a difference value between the target mileage information and the travelled mileage information, to obtain remaining mileage information.
In this embodiment, the remaining mileage information is obtained by subtracting the target mileage from the already-travelled mileage, and is used for comparing the remaining mileage information with the high-temperature travelled mileage threshold value in the subsequent calculation, so as to determine whether the travelled task of the target mileage can be completed in the high-temperature state of the current range extender.
Step S302, judging whether the residual mileage information is smaller than the high-temperature mileage threshold value, if yes, proceeding to step S303, otherwise proceeding to step S304.
In this embodiment, when the remaining mileage value is smaller than the high-temperature driving mileage threshold, it is indicated that the range extender can complete the driving task of the target mileage with its own capacity in the current operation state of the cooling system, and when the remaining mileage value is larger than the high-temperature driving mileage threshold, it is indicated that the range extender is difficult to complete the driving task of the target mileage in the current operation state, and it is extremely easy to damage parts in the automobile due to the high-temperature operation of the range extender, so that the cooling process should be performed on the range extender in time in advance.
Step S303, determining the cooling threshold interval information as a first-stage cooling threshold interval.
In this embodiment, when the remaining mileage value is smaller than the high-temperature driving mileage threshold, it is indicated that the range extender can complete the driving task of the target mileage with its own capacity in the current cooling system operation state, so the first-stage cooling threshold may be set to a higher cooling threshold, so that the temperature of the cooling liquid does not easily fall within the first-stage cooling threshold interval, and thus it is not easily determined that a cooling measure needs to be taken for the range extender, so as to save the energy consumption for cooling the range extender.
Step S304, determining the cooling threshold interval information as a second-stage cooling threshold interval.
In this embodiment, when the remaining mileage value is greater than the high-temperature driving mileage threshold, it is indicated that the range extender is difficult to complete the driving task of the target mileage in the current running state, and damage is very easy to be caused to parts in the automobile due to the high-temperature running of the range extender, so that the second-stage cooling threshold interval can be set to a lower cooling threshold, so that the temperature of the cooling liquid easily falls into the second-stage cooling threshold interval, and thus the range extender is cooled in time, and damage to other parts in the automobile due to overlong running time of the range extender is avoided.
And step S305, cooling the range extender according to the first-stage cooling threshold interval, the second-stage cooling threshold interval and the cooling liquid temperature.
In this embodiment, when the temperature of the cooling liquid falls into different cooling threshold intervals, different cooling measures are taken for the range extender, so that the running time of the range extender in a high-temperature state is shortened, and the adverse effect of the range extender on the whole vehicle performance due to long-time high-temperature running is avoided.
According to the cooling control method for the range extender provided by the embodiment of the application, through setting different cooling threshold intervals, the cooling control method is used for adapting to the running state of the current range extender, so that the cooling measure for the range extender is determined by judging whether the temperature of cooling liquid falls into the cooling threshold interval or not, and is used for saving cooling resources for the range extender when the high-temperature running path of the range extender is shorter or the generated energy of the range extender is smaller, and when the high-temperature running path of the range extender is longer or the generated energy of the range extender is larger, the cooling measure is timely adopted for shortening the running time of the range extender in the high-temperature state, so that the probability of failure of the range extender is reduced, and the safety and reliability of the range extender in running are improved.
Fig. 4 shows a flowchart of an implementation of the range extender operation safety monitoring method according to the fourth embodiment of the present application, which is different from the third embodiment in that the step S305 specifically includes:
Step S401, judging whether the cooling threshold interval information is the first-stage cooling threshold interval, if so, entering step S402 when the temperature of the cooling liquid is larger than the first cooling threshold and smaller than the second cooling threshold, and entering step S403 when the temperature of the cooling liquid is larger than the second cooling threshold, otherwise, entering step S404.
In this embodiment, when the cooling threshold interval information is the first-stage cooling threshold interval, it indicates that the distance extender needs to travel in a high-temperature state is shorter, and when the temperature of the cooling liquid is less than the first cooling threshold, it indicates that the current distance extender has enough self-capacity, and can safely complete the travel task of the target mileage, and then the water pump and the fan are controlled not to operate. When the cooling threshold interval information is the second-stage cooling threshold interval, the distance increaser needs to travel longer in a high-temperature state, and cooling measures with higher strength are needed to be adopted for the distance increaser so as to ensure the travel safety of the distance increaser automobile.
Step S402, controlling the water pump to run at a low speed and the fan to run at a low gear.
In this embodiment, when the temperature of the cooling liquid is greater than the first cooling threshold but less than the second cooling threshold, it indicates that the current range extender does not need to perform high-intensity cooling treatment, so as to control the low-speed operation of the water pump and the low-speed operation of the fan of the range extender automobile. When the water pump runs at a low speed, the motor speed of the water pump is about 600-1000 rpm. When the fan is operating in low gear, the speed of the fan is about 850 revolutions per minute.
Step S403, controlling the water pump to operate at high speed and the fan to operate at high grade.
In this embodiment, when the temperature of the cooling liquid is greater than the second cooling threshold, it indicates that the current range extender needs to perform cooling treatment with higher intensity, so as to shorten the operation time in the high-temperature state. When the water pump runs at a high speed, the motor speed of the water pump is about 1000-1500 rpm. When the fan is operating in high-end, the speed of the fan is about 1000 revolutions per minute.
And step S404, judging whether the temperature of the cooling liquid is greater than the third cooling threshold, if not, controlling the water pump and the fan not to operate, if so, proceeding to step S405 when the temperature of the cooling liquid is less than the fourth cooling threshold, and otherwise proceeding to step S406 when the temperature of the cooling liquid is greater than the fourth cooling threshold.
In this embodiment, when the cooling threshold interval information is the second-stage cooling threshold interval, it indicates that the distance traveled by the distance extender needs to be longer in the high-temperature state, and then a cooling measure with higher intensity needs to be adopted for the distance extender. The first cooling threshold, the second cooling threshold, the third cooling threshold and the fourth cooling threshold can be set manually.
Step S405, controlling the water pump to operate at a low speed and the fan to operate at a low gear.
In this embodiment, when the temperature of the cooling liquid is greater than the third cooling threshold but less than the fourth cooling threshold, it indicates that the current range extender does not need to perform high-intensity cooling treatment, so as to control the low-speed running of the water pump and the low-speed running of the fan of the range extender automobile. When the water pump runs at a low speed, the motor speed of the water pump is about 600-1000 rpm. When the fan is operating in low gear, the speed of the fan is about 850 revolutions per minute.
Step S406, controlling the water pump to run at high speed and the fan to run at high grade.
In this embodiment, when the temperature of the cooling liquid is greater than the fourth cooling threshold, it indicates that the current range extender needs to perform cooling treatment with higher intensity, so as to shorten the operation time in the high-temperature state. When the water pump runs at a high speed, the motor speed of the water pump is about 1000-1500 rpm. When the fan is operating in high-end, the speed of the fan is about 1000 revolutions per minute.
According to the cooling control method for the range extender, provided by the embodiment of the application, the cooling threshold interval for judging the cooling measure is determined, and then the cooling measure adopted for the range extender is determined according to the magnitude relation between each cooling threshold and the current cooling liquid temperature, so that the working time of the range extender in a high-temperature state is shortened, and the performance degradation caused by the fact that the temperature of the range extender is too high is reduced.
Fig. 5 shows a flowchart of an implementation of the range extender operation safety monitoring method according to the fifth embodiment of the present application, which is different from the first embodiment in that after the step S305, the method further includes:
step S501, obtaining the actual power generation amount information and the actual driving mileage information after the cooling process of the range extender.
In this embodiment, the actual power generation amount information after the range extender is cooled may be obtained by calculating the product of the power generation power and the running time of the range extender at each moment, or may be directly read through the background. The actual driving range information includes the driving range of the range extender before cooling and the driving range of the range extender after cooling.
Step S502, calculating an actual average power generation amount according to the actual power generation amount information and the actual driving mileage information.
In this embodiment, the actual average power generation amount of one kilometer may be calculated by dividing the actual power generation amount by the actual driving mileage, and the actual average power generation amount of one kilometer is used as the actual average power generation amount to determine whether the range extender is currently in the high-temperature running state or not.
Step S503, judging whether the actual average power generation amount is smaller than a preset average power generation amount threshold, if yes, proceeding to step S504, otherwise, continuing to cool the range extender.
In the present embodiment, the average power generation amount threshold may be set manually. When the actual average power generation amount is smaller than the preset average power generation amount threshold value, the extended range automobile is indicated to be likely to be driven off the expressway or to exit the high-power running working condition, so that the rotation speed of the range extender is reduced, the power generation amount is reduced, the working temperature is reduced, and the cooling treatment of the range extender is closed at the moment to save electric energy.
Step S504, the cooling process for the range extender is turned off.
In this embodiment, when the actual average power generation amount is greater than the preset average power generation amount threshold, it is indicated that the range extender is likely to not leave the expressway or exit the high-power running condition, so that the rotation speed of the range extender is not reduced, the power generation amount is not reduced, the working temperature is not reduced, the range extender still has a risk of high-temperature operation, and the range extender needs to be continuously cooled.
According to the cooling control method for the range extender provided by the embodiment of the application, when the range extender automobile runs on the expressway, the power generation amount of the range extender is large, so that the range extender is easy to run in a high-temperature state, and therefore, the range extender needs to be cooled, however, when the range extender automobile runs on the expressway, the power generation amount of the range extender is reduced, the actual working temperature of the range extender is reduced, and at the moment, whether the cooling treatment for the range extender needs to be closed or not is determined according to the magnitude relation between the actual power generation amount and the preset average power generation amount threshold value, so that the waste of electric energy for cooling is reduced, and the utilization rate of electric energy in the automobile is improved.
Fig. 6 shows a flowchart of an implementation of the range extender operation safety monitoring method according to the sixth embodiment of the present application, which is different from the first embodiment in that step S103 further includes:
And step S601, extracting a value which is not zero in the mileage values to obtain effective mileage information.
In this embodiment, the user inputs different mileage information through a plurality of manual knobs, and extracts mileage values corresponding to each manual knob, where mileage values that are not zero are values that the user successfully inputs, i.e., valid mileage information.
Step S602, summing the effective mileage information to obtain target mileage information.
In this embodiment, all the effective mileage information is added and summed to obtain the target mileage information, which is used to represent the mileage of the extended range automobile.
According to the cooling control method for the range extender, provided by the embodiment of the application, a user can input target mileage information through a plurality of manual knobs, so that the cooling measures required to be taken in the operating state of the range extender Cheng Qigao are judged based on the target mileage information, and the cooling measures are automatically adjusted based on the target mileage, so that the possible working time of the range extender Cheng Qigao is shortened, and the performance and the oil consumption of the whole vehicle are optimized.
Fig. 7 shows a flowchart of an implementation of the range extender operation safety monitoring method according to the seventh embodiment of the present application, which is different from the first embodiment in that step S103 further includes:
and step S701, judging whether the temperature of the cooling liquid is greater than a preset cooling liquid temperature threshold value when the target mileage information is zero, if so, controlling the operation of a water pump and a fan, and if not, not performing cooling treatment on the range extender.
In this embodiment, when the user does not input the target mileage information or fails to input the target mileage information, and the high-temperature working time of the range extender cannot be judged, the high-speed operation and the low-speed operation of the water pump and the fan can be switched according to the actual temperature of the cooling liquid, wherein the rotating speed of the motor driving the water pump to operate is about 1500-3000 rpm when the water pump operates at a high speed, and the rotating speed of the fan is about 1150 rpm when the fan operates at a high speed. The preset cooling liquid temperature threshold value can be a fifth cooling liquid temperature threshold value and a sixth cooling liquid temperature threshold value, wherein the fifth cooling liquid temperature threshold value is smaller than the sixth cooling liquid temperature threshold value, when the cooling liquid temperature is smaller than the fifth cooling liquid temperature threshold value, the water pump and the fan are controlled not to operate, the range extender is not cooled, when the cooling liquid temperature is larger than the fifth cooling liquid temperature threshold value but smaller than the sixth cooling liquid temperature threshold value, the water pump is controlled to operate at a low speed, and when the cooling liquid temperature is larger than the sixth cooling liquid temperature threshold value, the water pump is controlled to operate at a high speed, and the fan is controlled to operate at a high speed.
According to the cooling control method for the range extender, when the user does not input the target mileage information or fails to input the target mileage information, the high-temperature working time of the range extender cannot be judged, so that the range extender is cooled through a reasonable temperature threshold value, the damage of Cheng Qigao temperature operation is reduced to the minimum, and the safety and reliability of the range extender in the running process of an automobile are ensured.
Corresponding to the method of the above embodiment, fig. 8 shows a block diagram of the cooling control device for the range extender provided in the embodiment of the present application, and for convenience of explanation, only the portion related to the embodiment of the present application is shown. The range extender cooling control device illustrated in fig. 8 may be an execution subject of the range extender cooling control method provided in the first embodiment.
Referring to fig. 8, the range extender cooling control device includes:
The target mileage information calculation module 810 is configured to calculate target mileage information according to mileage values pointed by pointers of a plurality of mileage adjustment knobs of the automobile;
A driving information acquiring module 820 for acquiring driving mileage information, current power generation amount information, and coolant temperature;
a current average power generation amount calculation module 830, configured to calculate a current average power generation amount according to the travelled distance information and the current power generation amount information;
the high-temperature driving mileage threshold calculation module 840 is configured to determine that the target mileage information is greater than zero, and calculate a high-temperature driving mileage threshold according to the driven mileage information and a preset high-temperature driving time threshold when the current average power generation amount is greater than a preset average power generation amount threshold;
A cooling threshold interval information determining module 850 for determining cooling threshold interval information according to the target mileage information, the travelled mileage information and the high temperature mileage threshold value, and
And the cooling processing module 860 is configured to perform cooling processing on the range extender according to the cooling threshold interval information and the cooling liquid temperature.
The process of implementing the respective functions of each module in the range extender cooling control device provided in the embodiment of the present application may refer to the description of the first embodiment shown in fig. 1, and will not be repeated here.
It should be understood that the sequence number of each step in the foregoing embodiment does not mean that the execution sequence of each process should be determined by the function and the internal logic, and should not limit the implementation process of the embodiment of the present application.
It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It should also be understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.
As used in the present description and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".
Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance. It will also be understood that, although the terms "first," "second," etc. may be used herein in some embodiments of the application to describe various elements, these elements should not be limited by these terms. These terms are only used to distinguish one element from another element. For example, a first table may be named a second table, and similarly, a second table may be named a first table without departing from the scope of the various described embodiments. The first table and the second table are both tables, but they are not the same table.
Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.
The range extender cooling control method provided by the embodiment of the application can be applied to terminal equipment such as mobile phones, tablet computers, wearable equipment, vehicle-mounted equipment, augmented reality (augmented reality, AR)/Virtual Reality (VR) equipment, notebook computers, ultra-mobile personal computer (UMPC), netbooks, personal digital assistants (personal DIGITAL ASSISTANT, PDA) and the like, and the embodiment of the application does not limit the specific types of the terminal equipment.
Fig. 9 is a schematic structural diagram of a terminal device according to an embodiment of the present application. As shown in fig. 9, the terminal device 9 of this embodiment comprises at least one processor 900 (only one is shown in fig. 9), a memory 910, said memory 910 having stored therein a computer program 920 executable on said processor 900. The processor 900, when executing the computer program 920, implements the steps of the above-described embodiments of the range extender cooling control method, such as steps S101 to S106 shown in fig. 1. Or the processor 900, when executing the computer program 920, performs the functions of the modules/units in the apparatus embodiments described above, e.g., the functions of the modules 810 to 860 shown in fig. 8.
The terminal device 9 may be a computing device such as a desktop computer, a notebook computer, a palm computer, a cloud server, etc. The terminal device may include, but is not limited to, a processor 900, a memory 910. It will be appreciated by those skilled in the art that fig. 9 is merely an example of the terminal device 9 and does not constitute a limitation of the terminal device 9, and may include more or less components than illustrated, or may combine certain components, or different components, e.g., the terminal device may further include an input transmitting device, a network access device, a bus, etc.
The Processor 900 may be a central processing unit (Central Processing Unit, CPU), other general purpose Processor, digital signal Processor (DIGITAL SIGNAL Processor, DSP), application SPECIFIC INTEGRATED Circuit (ASIC), off-the-shelf Programmable gate array (Field-Programmable GATE ARRAY, FPGA) or other Programmable logic device, discrete gate or transistor logic device, discrete hardware components, or the like. A general purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
The memory 910 may in some embodiments be an internal storage unit of the terminal device 9, such as a hard disk or a memory of the terminal device 9. The memory 910 may also be an external storage device of the terminal device 9, such as a plug-in hard disk, a smart memory card (SMART MEDIA CARD, SMC), a Secure Digital (SD) card, a flash memory card (FLASH CARD) or the like, which are provided on the terminal device 9. Further, the memory 910 may also include both an internal storage unit and an external storage device of the terminal device 9. The memory 910 is used to store an operating system, application programs, boot loader (BootLoader), data, and other programs, such as program code for the computer program. The memory 910 may also be used to temporarily store data that has been transmitted or is to be transmitted.
In addition, each functional unit in the embodiments of the present application may be integrated in one processing unit, or each unit may exist alone physically, or two or more units may be integrated in one unit. The integrated units may be implemented in hardware or in software functional units.
The embodiment of the application also provides a terminal device, which comprises at least one memory, at least one processor and a computer program stored in the at least one memory and capable of running on the at least one processor, wherein the processor executes the computer program to enable the terminal device to realize the steps in any of the method embodiments.
Embodiments of the present application also provide a computer readable storage medium storing a computer program which, when executed by a processor, implements steps for implementing the various method embodiments described above.
The integrated modules/units, if implemented in the form of software functional units and sold or used as stand-alone products, may be stored in a computer readable storage medium. Based on such understanding, the present application may implement all or part of the flow of the method of the above embodiment, or may be implemented by a computer program to instruct related hardware, where the computer program may be stored in a computer readable storage medium, and when the computer program is executed by a processor, the computer program may implement the steps of each of the method embodiments described above. Wherein the computer program comprises computer program code which may be in source code form, object code form, executable file or some intermediate form etc. The computer readable medium may include any entity or device capable of carrying the computer program code, a recording medium, a U disk, a removable hard disk, a magnetic disk, an optical disk, a computer Memory, a Read-Only Memory (ROM), a random access Memory (Random Access Memory, RAM), an electrical carrier signal, a telecommunications signal, a software distribution medium, and so forth.
In the foregoing embodiments, the descriptions of the embodiments are emphasized, and in part, not described or illustrated in any particular embodiment, reference is made to the related descriptions of other embodiments.
Those of ordinary skill in the art will appreciate that the various illustrative elements and algorithm steps described in connection with the embodiments disclosed herein may be implemented as electronic hardware, or combinations of computer software and electronic hardware. Whether such functionality is implemented as hardware or software depends upon the particular application and design constraints imposed on the solution. Skilled artisans may implement the described functionality in varying ways for each particular application, but such implementation decisions should not be interpreted as causing a departure from the scope of the present application.
The units described as separate units may or may not be physically separate, and units shown as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
The foregoing embodiments are merely illustrative of the technical solutions of the present application, and not restrictive, and although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that modifications may still be made to the technical solutions described in the foregoing embodiments or equivalent substitutions of some technical features thereof, and that such modifications or substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. The cooling control method of the range extender is characterized by comprising the following steps of:
calculating target mileage information according to mileage values pointed by pointers of a plurality of mileage adjusting knobs of the automobile;
Acquiring information of the travelled distance, information of the current generating capacity and the temperature of the cooling liquid;
Calculating the current average power generation amount according to the travelled distance information and the current power generation amount information;
When the target mileage information is larger than zero and the current average power generation amount is larger than a preset average power generation amount threshold, calculating a high-temperature mileage threshold according to the travelled mileage information and a preset high-temperature travel time threshold;
Determining cooling threshold interval information according to the target mileage information, the travelled mileage information and the high-temperature travelled mileage threshold;
and cooling the range extender according to the cooling threshold interval information and the cooling liquid temperature.
2. The range extender cooling control method according to claim 1, wherein the step of calculating a high-temperature driving range threshold according to the driving range information and a preset high-temperature driving time threshold specifically includes:
Acquiring running time information;
Obtaining an average running speed according to the running mileage information and the running time information;
And obtaining a high-temperature driving mileage threshold according to the average driving speed and a preset high-temperature driving time threshold.
3. The method for controlling cooling of a range extender of claim 1,
The step of determining the cooling threshold interval information according to the target mileage information, the travelled mileage information and the high-temperature travelled mileage threshold value specifically includes:
Calculating the difference value of the target mileage information and the travelled mileage information to obtain the remaining mileage information;
judging whether the residual mileage information is smaller than the high-temperature driving mileage threshold value or not;
If yes, determining the cooling threshold interval information as a first-stage cooling threshold interval;
If not, determining the cooling threshold interval information as a second-stage cooling threshold interval;
the step of cooling the range extender according to the cooling threshold interval information and the temperature of the cooling liquid specifically includes:
And cooling the range extender according to the first-stage cooling threshold interval, the second-stage cooling threshold interval and the temperature of the cooling liquid.
4. The range extender cooling control method of claim 3 wherein the first stage cooling threshold interval includes a first cooling threshold and a second cooling threshold, the first cooling threshold being less than the second cooling threshold; the second-stage cooling threshold interval comprises a third cooling threshold and a fourth cooling threshold, and the third cooling threshold is smaller than the fourth cooling threshold;
The step of cooling the range extender according to the first-stage cooling threshold interval, the second-stage cooling threshold interval and the temperature of the cooling liquid specifically includes:
When the cooling threshold interval information is the first-stage cooling threshold interval and the cooling liquid temperature is greater than the first cooling threshold, judging whether the cooling liquid temperature is less than a second cooling threshold;
if yes, controlling the water pump to run at a low speed and the fan to run at a low gear;
if not, controlling the water pump to run at high speed and the fan to run at high grade;
When the cooling threshold interval information is the second-stage cooling threshold interval and the cooling liquid temperature is greater than the third cooling threshold, judging whether the cooling liquid temperature is less than a fourth cooling threshold;
if yes, controlling the water pump to run at a low speed and the fan to run at a low gear;
if not, controlling the water pump to run at high speed and the fan to run at high grade.
5. The range extender cooling control method according to claim 1, further comprising, after the step of cooling the range extender based on the cooling threshold interval information and the coolant temperature:
Acquiring actual power generation amount information and actual driving mileage information after cooling the range extender;
calculating an actual average power generation amount according to the actual power generation amount information and the actual driving mileage information;
and when the actual average power generation amount is smaller than a preset average power generation amount threshold value, closing the cooling treatment of the range extender.
6. The range extender cooling control method according to claim 1, wherein the step of calculating the target mileage information based on the mileage values pointed by the pointers of the plurality of mileage adjusting knobs of the automobile, specifically comprises:
Extracting a value which is not zero in the mileage values to obtain effective mileage information;
and summing the effective mileage information to obtain target mileage information.
7. The range extender cooling control method of claim 1, further comprising:
And when the target mileage information is zero and the temperature of the cooling liquid is judged to be greater than a preset cooling liquid temperature threshold value, controlling the water pump and the fan to run.
8. A range extender cooling control device, comprising:
the target mileage information calculation module is used for calculating target mileage information according to the mileage values pointed by the pointers of the plurality of mileage adjusting knobs of the automobile;
The driving information acquisition module is used for acquiring the driving mileage information, the current generating capacity information and the temperature of the cooling liquid;
The current average power generation amount calculation module is used for calculating the current average power generation amount according to the travelled mileage information and the current power generation amount information;
The high-temperature driving mileage threshold calculating module is used for judging that the target mileage information is larger than zero, and calculating a high-temperature driving mileage threshold according to the driven mileage information and a preset high-temperature driving time threshold when the current average power generation amount is larger than a preset average power generation amount threshold;
the cooling threshold interval information determining module is used for determining cooling threshold interval information according to the target mileage information, the travelled mileage information and the high-temperature travelled mileage threshold;
and the cooling processing module is used for cooling the range extender according to the cooling threshold interval information and the temperature of the cooling liquid.
9. A terminal device, characterized in that it comprises a memory, a processor, on which a computer program is stored which is executable on the processor, the processor executing the computer program to carry out the steps of the method according to any one of claims 1 to 7.
10. A computer readable storage medium storing a computer program, characterized in that the computer program when executed by a processor implements the steps of the method according to any one of claims 1 to 7.
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