Vehicle heat dissipation control method and device and vehicle

Abstract

The application provides a vehicle heat dissipation control method and device and a vehicle. The method comprises the following steps: in response to a heat dissipation activation signal, a corresponding heat dissipation mode is executed; in the ECM heat dissipation mode or the HCU / PDCU heat dissipation mode, an operating parameter of the vehicle is acquired, and a parameter of a first device related to ECM control or a second group of devices related to HCU / PDCU control is adjusted based on the operating parameter, so that the parameter reaches a target value preset corresponding to the operating parameter. In the embodiment of the application, the parameter of the device needing heat dissipation control in different heat dissipation modes is adjusted, so that the parameter reaches the target value of rapid heat dissipation, and then each device reaches the maximum heat dissipation degree, thereby achieving the purpose of rapid cooling of the whole vehicle.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of vehicle engineering, and in particular to a vehicle heat dissipation control method and device and vehicle. BACKGROUND

[0002] With the development of science and technology, automobiles have become one of the most important means of transportation for people. In order to meet the needs of users, automobiles must have good enough performance. With the gradual increase of off-road groups, off-road performance requires vehicles to have excellent power performance, and also must have strong heat dissipation capacity. Rapid activation of the maximum heat dissipation capacity of the vehicle in a short time can ensure that the vehicle has good heat dissipation performance during deep off-road process of the user, and improves the driving pleasure of the user.

[0003] In the prior art, for the heat dissipation of the automobile, the parameters of the engine fan and the parameters of the thermal management module are usually adjusted to dissipate heat from the automobile. However, for hybrid vehicles, this heat dissipation method only adjusts a few heat dissipation components in the engine, and cannot meet the rapid heat dissipation demand of the whole vehicle. SUMMARY

[0004] Therefore, the present application provides a vehicle heat dissipation control method and device and vehicle to solve the problem that the prior art only adjusts a few heat dissipation components in the engine, and cannot meet the rapid heat dissipation demand of the whole vehicle.

[0005] To achieve the above object, the present application provides the following technical solutions:

[0006] The first aspect of the present application discloses a vehicle heat dissipation control method, which comprises:

[0007] responding to a heat dissipation activation signal to execute a corresponding heat dissipation mode;

[0008] When the heat dissipation mode is an engine controller heat dissipation mode, a first running parameter of the vehicle is obtained, and the first running parameter comprises an engine water temperature and an engine intake temperature;

[0009] Based on the first running parameter, a first parameter related to heat dissipation in a first device is adjusted, so that the first parameter reaches a first target value corresponding to the first running parameter which is set in advance; the first device comprises a device related to the first running parameter when the vehicle dissipates heat;

[0010] When the heat dissipation mode is a whole vehicle controller heat dissipation mode, a second running parameter of the vehicle is obtained, and the second running parameter comprises a coolant water temperature;

[0011] adjusting a second parameter related to heat dissipation in a second device based on the coolant water temperature, so that the second parameter reaches a second target value preset corresponding to the coolant water temperature; the second device includes a device related to the coolant water temperature when the vehicle is dissipating heat.

[0012] Optionally, further comprising:

[0013] when the vehicle is in off-road working conditions, triggering a heat dissipation prompt information, the heat dissipation prompt information is used to prompt a user to trigger a heat dissipation activation signal;

[0014] The heat dissipation prompt information includes voice broadcast prompt information, and / or heat dissipation prompt information displayed on the human-computer interaction interface of the vehicle.

[0015] Optionally, if the heat dissipation prompt information is voice broadcast prompt, further comprising:

[0016] acquiring a volume adjustment request, adjusting the volume of the voice broadcast prompt based on the volume adjustment request, the volume adjustment request including volume adjustment information with the vehicle system, volume adjustment information with the system prompt, volume adjustment information with the vehicle navigation, or volume adjustment information with the vehicle phone.

[0017] Optionally, the response to the heat dissipation activation signal to execute the corresponding heat dissipation mode includes:

[0018] in response to the heat dissipation activation signal generated by the user through the touch of the pre-set heat dissipation key, executing the heat dissipation mode corresponding to the heat dissipation activation signal; or,

[0019] in response to the heat dissipation activation signal generated by the user based on voice wake-up, executing the heat dissipation mode corresponding to the heat dissipation activation signal.

[0020] Optionally, the response to the heat dissipation activation signal to execute the corresponding heat dissipation mode includes:

[0021] in response to the heat dissipation activation signal generated based on the vehicle running state information, executing the heat dissipation mode corresponding to the heat dissipation activation signal, the vehicle running state information including running state information when the engine speed of the vehicle is continuously greater than a preset engine speed threshold value within a preset time length, or running state information when the driving time of the vehicle is greater than a preset driving time threshold value.

[0022] Optionally, if the first device includes an electronic fan, a thermal management module, an electronic thermostat, an electronic water pump and / or an intercooler water pump, the adjusting a first parameter related to heat dissipation in a first device based on the first running parameter, so that the first parameter reaches a first target value preset corresponding to the first running parameter, includes:

[0023] adjusting the fan duty cycle of the electronic fan to a target fan duty cycle corresponding to the engine water temperature based on the engine water temperature; and / or,

[0024] adjusting the ball valve opening of the thermal management module to a target ball valve opening corresponding to the engine water temperature based on the engine water temperature; and / or,

[0025] adjusting the voltage value of the electronic thermostat to a target voltage value corresponding to the engine water temperature based on the engine water temperature, the electronic thermostat reaching a current maximum output duty cycle at the target voltage value and the engine water temperature; and / or,

[0026] adjusting the water pump duty cycle of the electronic water pump of the engine to a target water pump duty cycle corresponding to the engine water temperature based on the engine water temperature; and / or,

[0027] adjusting the water pump duty cycle of the intercooler water pump to a target water pump duty cycle corresponding to the engine intake air temperature based on the engine intake air temperature;

[0028] Correspondingly, if the second device includes an electrically driven water pump, adjusting a second parameter related to heat dissipation in the second device based on the coolant water temperature, so that the second parameter reaches a second target value corresponding to the coolant water temperature, including:

[0029] adjusting the water pump duty cycle of the electrically driven water pump to a target water pump duty cycle corresponding to the coolant water temperature based on the coolant water temperature.

[0030] Optionally, before executing the corresponding heat dissipation mode in response to the heat dissipation activation signal, further including:

[0031] if a device fault is detected, generating corresponding fault information and feeding back, the fault information including a device fault signal and fault prompt information, the fault prompt information including voice broadcast fault information and / or text prompt fault information;

[0032] terminating or exiting the response to the heat dissipation activation signal based on the device fault signal.

[0033] The second aspect of the embodiment of the application discloses a vehicle heat dissipation control device, the control device comprising:

[0034] a response module for executing a corresponding heat dissipation mode in response to a heat dissipation activation signal, wherein when the heat dissipation mode is an engine controller heat dissipation mode, an engine controller heat dissipation control module is executed; when the heat dissipation mode is a vehicle controller heat dissipation mode, a vehicle controller heat dissipation control module is executed;

[0035] The engine controller heat dissipation control module is configured to acquire a first operating parameter of the vehicle, adjust a first parameter related to heat dissipation in a first device based on the first operating parameter, and make the first parameter reach a first target value corresponding to the first operating parameter that is set in advance; the first operating parameter includes an engine water temperature and / or an engine intake temperature, and the first device includes a device related to the first operating parameter when the vehicle is dissipating heat.

[0036] The vehicle controller heat dissipation control module is configured to acquire a second operating parameter of the vehicle, adjust a second parameter related to heat dissipation in a second device based on the coolant water temperature, and make the second parameter reach a second target value corresponding to the coolant water temperature that is set in advance; the second operating parameter includes a coolant water temperature, and the second device includes a device related to the coolant water temperature when the vehicle is dissipating heat.

[0037] Optionally, the control device further comprises:

[0038] The prompt module is configured to trigger heat dissipation prompt information when the vehicle is in an off-road working condition, the heat dissipation prompt information being used to prompt a user to trigger a heat dissipation activation signal; the heat dissipation prompt information includes voice broadcast prompt information, and / or heat dissipation prompt information displayed on a human-computer interaction interface of the vehicle; and / or,

[0039] The prompt module is further configured to trigger execution of fault prompt information in the fault information when it is detected that a device fault occurs and corresponding fault information is generated, the fault information including a device fault signal and fault prompt information, and the fault prompt information including voice broadcast fault information and / or text prompt fault information.

[0040] Correspondingly, the control device further comprises a termination module configured to terminate execution of the response module based on the device fault signal.

[0041] The third aspect of the application discloses a vehicle, and the vehicle comprises the control device for vehicle heat dissipation disclosed in the second aspect of the application.

[0042] It can be seen from the technical solution that the control method, device and vehicle for vehicle heat dissipation are provided, the control method executes the corresponding heat dissipation mode in response to a heat dissipation activation signal; when the heat dissipation mode is an engine controller heat dissipation mode, a first running parameter of the vehicle is acquired, the first running parameter including an engine water temperature and an engine intake temperature; a first parameter related to heat dissipation in a first device is adjusted based on the first running parameter, so that the first parameter reaches a first target value corresponding to the first running parameter which is set in advance; the first device includes a device related to the first running parameter when the vehicle is heat dissipated; when the heat dissipation mode is a vehicle controller heat dissipation mode, a second running parameter of the vehicle is acquired, the second running parameter including a coolant water temperature; a second parameter related to heat dissipation in a second device is adjusted based on the coolant water temperature, so that the second parameter reaches a second target value corresponding to the coolant water temperature which is set in advance; the second device includes a device related to the coolant water temperature when the vehicle is heat dissipated. In the embodiment, the parameters of the devices which need to be controlled for heat dissipation in different heat dissipation modes are adjusted, so that the parameters reach the target values for rapid heat dissipation, and then the devices reach the maximum heat dissipation degree, so as to achieve the purpose of rapid cooling of the vehicle. BRIEF DESCRIPTION OF DRAWINGS

[0043] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the provided drawings.

[0044] Figure 1 A flow chart of a control method for vehicle heat dissipation disclosed in an embodiment of the present application;

[0045] Figure 2 A system block diagram of a control method for vehicle heat dissipation disclosed in an embodiment of the present application;

[0046] Figure 3 A schematic diagram of a control device for vehicle heat dissipation disclosed in an embodiment of the present application. DETAILED DESCRIPTION

[0047] The technical solutions in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0048] In this application, the terms "comprise", "contain", or any other variant thereof are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without more limitations, the element defined by the phrase "comprising a" does not exclude the presence of additional identical elements in the process, method, article, or apparatus comprising the element.

[0049] Also, in this document, relational terms such as first and second, and the like, are used solely to distinguish one entity or action from another entity or action, without necessarily requiring or implying any actual such relationship or order between such entities or actions.

[0050] As can be known from the background art, in the prior art, for the heat dissipation of the automobile, the automobile is usually cooled by adjusting the parameters of the engine fan and adjusting the parameters of the thermal management module. However, for a hybrid automobile, this cooling method only adjusts a few cooling components in the engine, and cannot meet the demand for rapid cooling of the whole vehicle.

[0051] In view of this, the present application provides a vehicle cooling control method and device and a vehicle. By adjusting the parameters of the equipment that needs to be cooled in different cooling modes, the parameters are adjusted to reach the target value of rapid cooling, so that each equipment reaches the maximum cooling degree, and the purpose of rapid cooling of the whole vehicle is achieved.

[0052] The present application provides a vehicle cooling control method, as shown in Figure 1 The present application provides a vehicle cooling control method, as shown in

[0053] S101: Perform the corresponding cooling mode in response to the cooling activation signal.

[0054] In S101, the cooling activation signal can be generated in various ways.

[0055] In an embodiment of the present application, when the user drives the vehicle for off-road driving or is about to drive off-road, the user can generate the cooling activation signal by touching the pre-set cooling key. The cooling key can be a physical key or a virtual key.

[0056] It should be noted that the user can set the key (cooling key) sound according to personal preference.

[0057] For example, the user can click the "super heat dissipation" icon on the head-up display system (HUT) interface of the vehicle to trigger the generation of a heat dissipation activation signal, that is, to trigger the entry into the heat dissipation mode described in the present application, so as to adapt to the deep off-road mode to be started by the user in advance, quickly cool the power component, and ensure that the power performance is in an optimal heat dissipation interval.

[0058] Specifically, the process of performing S101 is: in response to the heat dissipation activation signal generated by the user through touch of the pre-set heat dissipation key, the heat dissipation mode corresponding to the heat dissipation activation signal is executed.

[0059] In an embodiment of the present application, the user can enter the system setting interface in advance to turn on the voice wake-up function. When the user drives the vehicle for off-road driving or is about to drive off-road, the user can generate a heat dissipation activation signal based on the voice wake-up mode, that is, trigger the entry into the heat dissipation mode described in the present application, so as to adapt to the deep off-road mode to be started by the user in advance, quickly cool the power component, and ensure that the power performance is in an optimal heat dissipation interval.

[0060] Specifically, the process of performing S101 is: in response to the heat dissipation activation signal generated by the user based on voice wake-up, the heat dissipation mode corresponding to the heat dissipation activation signal is executed.

[0061] Further, in an embodiment of the present application, when the vehicle is in an off-road working condition, a heat dissipation prompt information is triggered. The heat dissipation prompt information includes voice broadcast prompt information, and / or heat dissipation prompt information displayed on the human-computer interaction interface of the vehicle. The user is prompted to trigger the heat dissipation activation signal based on the heat dissipation prompt information. The user can trigger the heat dissipation activation signal through touch of the pre-set heat dissipation key or voice wake-up.

[0062] For the heat dissipation prompt information, in an embodiment of the present application, if the heat dissipation prompt information is voice broadcast prompt, it further includes:

[0063] Obtaining a volume adjustment request, and adjusting the volume of the voice broadcast prompt based on the volume adjustment request.

[0064] The volume adjustment request includes volume adjustment information with the whole vehicle system, volume adjustment information with the system prompt, volume adjustment information with the vehicle navigation, or volume adjustment information with the vehicle phone.

[0065] That is, the user can select the language and volume based on his own preferences in advance.

[0066] If the heat dissipation prompt information is the heat dissipation prompt information displayed on the human-computer interaction interface of the vehicle, similarly, the user can also select the text language, key tone, etc. based on his own preferences in advance.

[0067] For the way of determining whether the vehicle is in an off-road working condition:

[0068] In an embodiment of the present application, during the driving of the vehicle, the vehicle can collect driving environment data of the vehicle by using a data collection device, and perform scene analysis on the collected data to determine whether the vehicle is in off-road working condition. If it is determined that the vehicle is in off-road working condition, a heat dissipation prompt information is triggered to assist the user driving the vehicle, especially the novice driving the vehicle, to timely start the heat dissipation mode before entering the deep off-road mode, to provide better heat dissipation performance for the vehicle, and to improve the driving pleasure of the user.

[0069] In an embodiment of the present application, during the driving of the vehicle, the driving image of the vehicle is collected, and scene analysis is performed on the driving image to determine whether the vehicle is in off-road working condition. If it is determined that the vehicle is in off-road working condition, a heat dissipation prompt information is triggered to assist the user driving the vehicle, especially the novice driving the vehicle, to timely start the heat dissipation mode before entering the deep off-road mode, to provide better heat dissipation performance for the vehicle, and to improve the driving pleasure of the user.

[0070] It should be noted that during the driving of the vehicle, the driving image of the vehicle is collected by using a vehicle-mounted camera, a driving recorder and the like, and then objects in the driving image are recognized, and scene analysis is performed on the collected driving image by using the recognized objects, wherein the driving scene can include high speed, urban area, suburban area and the like. When the driving scene is in the suburban area, it is determined that the vehicle is in off-road working condition.

[0071] In an embodiment of the present application, during the driving of the vehicle, the tire data of the vehicle is collected, and the road flatness is analyzed to determine whether the vehicle is in off-road working condition. If it is determined that the vehicle is in off-road working condition, a heat dissipation prompt information is triggered to assist the user driving the vehicle, especially the novice driving the vehicle, to timely start the heat dissipation mode before entering the deep off-road mode, to provide better heat dissipation performance for the vehicle, and to improve the driving pleasure of the user.

[0072] It should be noted that during the driving of the vehicle, the tire data of the vehicle is collected by using a tire sensor, and the number of times of lifting of each wheel can be analyzed from the tire data. When the number of times of lifting of the tire reaches a preset threshold value within a certain time, for example, the tire is lifted 5 times within 20 seconds, it indicates that the road surface is very uneven and the road is rugged, and at this time, it is determined whether the vehicle is in off-road working condition.

[0073] In addition to the above user linkage, that is, the user triggers the heat dissipation activation signal autonomously or after being prompted, the present application also discloses a mode of automatically triggering the heat dissipation activation signal according to the vehicle running state information:

[0074] The specific process of performing S101 is: in response to the heat dissipation activation signal generated based on the vehicle running state information, a heat dissipation mode corresponding to the heat dissipation activation signal is performed.

[0075] In an embodiment of the present application, the vehicle operating state information includes operating state information when the engine speed of the vehicle is greater than a preset engine speed threshold for a preset time length.

[0076] It should be noted that in the process of vehicle driving, the engine speed data of the vehicle is collected, and when the engine speed of the vehicle is always greater than a preset first threshold for a preset time length, it indicates that the vehicle is in a high load state at this time, and the temperature of each component may rapidly rise. At this time, the heat dissipation activation signal is generated and responded, and the heat dissipation mode corresponding to the heat dissipation activation signal is executed to strengthen the heat dissipation of the vehicle and cool the vehicle. The preset time length and the engine speed threshold can be set according to actual conditions, for example, the engine speed of the vehicle is always greater than three thousand revolutions in five minutes.

[0077] In an embodiment of the present application, the vehicle operating state information includes operating state information when the driving time length of the vehicle is greater than a preset driving time length threshold.

[0078] It should be noted that in the process of vehicle driving, the continuous driving time length of the vehicle is detected, and if the driving time length of the vehicle is greater than a preset driving time length threshold, it indicates that the vehicle has been continuously driven for a long time, and each component is very likely to be in a high temperature state. At this time, the heat dissipation activation signal is generated and responded, and the heat dissipation mode corresponding to the heat dissipation activation signal is executed to strengthen the heat dissipation of the vehicle and cool the vehicle. The preset driving time length threshold can be set according to actual conditions, for example, 1 hour.

[0079] In the process of specifically executing S101, different controllers in the vehicle respond to the heat dissipation activation signal and execute the heat dissipation mode corresponding to the different controllers.

[0080] If the engine controller (ECM) responds to the heat dissipation activation signal, the currently executed heat dissipation mode is the ECM heat dissipation mode. In an embodiment of the present application, the ECM heat dissipation mode is executed, that is, S102 to S103 are executed. The ECM heat dissipation mode can also be referred to as the engine heat dissipation mode.

[0081] If the vehicle controller (HCU / PDCU) responds to the heat dissipation activation signal, the currently executed heat dissipation mode is the HCU / PDCU heat dissipation mode. In an embodiment of the present application, the HCU / PDCU heat dissipation mode is executed, that is, S104 to S105 are executed. The HCU / PDCU heat dissipation mode can also be referred to as the electronic heat dissipation mode.

[0082] S102: Obtain the first operating parameter of the vehicle.

[0083] In S102, the first operating parameter includes the engine water temperature and the engine intake temperature.

[0084] It should be noted that after triggering the ECM cooling mode, the current first operating parameter of the vehicle is obtained, i.e., the instantaneous first operating parameter, so as to understand the engine water temperature and engine intake temperature related to the ECM control when the vehicle is cooled. At the same time, the engine water temperature and engine intake temperature can also reflect the temperature of the main components such as the engine, motor, battery, etc. The higher the temperature, the more the cooling capacity of the vehicle needs to be strengthened.

[0085] S103: Adjusting the first parameter related to cooling in the first device based on the first operating parameter, so that the first parameter reaches the first target value corresponding to the first operating parameter preset.

[0086] In S103, the first device includes a device related to the first operating parameter when the vehicle is cooled. At the same time, the device related to the first operating parameter is also a device related to the engine controller performing cooling control. For example, the first device includes an electronic fan (FAN), a thermal management module (TMM), an electronic thermostat (KFT), an engine electronic water pump, and / or an intercooler water pump.

[0087] In S103, a corresponding relationship between the first operating parameter and the first target value to be reached by the first parameter in the first device is preset. The first control strategy based on the first operating parameter is established by using the corresponding relationship.

[0088] It should be noted that since the first operating parameter is dynamic, the first target value corresponding to the first parameter in the first device under different first operating parameters can be set as needed when preset.

[0089] In the process of specifically performing S103, the first parameter related to cooling in the first device is adjusted according to the first control strategy and the first operating parameter, so that the first parameter reaches the first target value corresponding to the first operating parameter preset.

[0090] In an embodiment of the present application, if the first device includes an electronic fan, the process of specifically performing S103 based on the first operating parameter to adjust the first parameter related to cooling in the first device so that the first parameter reaches the first target value corresponding to the first operating parameter preset includes:

[0091] Adjusting the fan duty cycle of the electronic fan to reach the target fan duty cycle corresponding to the engine water temperature preset.

[0092] Specifically, the first control strategy preset for the engine water temperature to the electronic fan is shown in Table 1.

[0093] Table 1:

[0094]

[0095] For example, the current engine water temperature is 85℃, according to Table 1, the fan duty cycle of the electronic fan is adjusted to 60% corresponding to 85℃ in Table 1 based on the engine water temperature of 85℃.

[0096] If the first device includes a thermal management module (TMM), the process of adjusting the first parameter related to heat dissipation in the first device based on the first operating parameter to reach the first target value corresponding to the first operating parameter in S103 is specifically implemented as follows:

[0097] The ball valve opening of the TMM is adjusted based on the engine water temperature to reach the target ball valve opening corresponding to the engine water temperature.

[0098] Specifically, the first control strategy preset by the TMM for the engine water temperature is shown in Table 2.

[0099] Table 2:

[0100]

[0101] For example, the current engine water temperature is 85℃, according to Table 2, the ball valve opening of the TMM is adjusted to 100% corresponding to 85℃ in Table 2 based on the engine water temperature of 85℃.

[0102] If the first device includes an electronic thermostat (KFT), the process of adjusting the first parameter related to heat dissipation in the first device based on the first operating parameter to reach the first target value corresponding to the first operating parameter in S103 is specifically implemented as follows:

[0103] The voltage value of the KET is adjusted based on the engine water temperature to reach the target voltage value corresponding to the engine water temperature, and the KET reaches the current maximum output duty cycle at the target voltage value and the engine water temperature.

[0104] Specifically, when the first control strategy of regulating the KFT based on the engine water temperature is preset, the maximum output duty cycle of the KFT at different water temperatures and different voltages needs to be considered, which is specifically shown in Table 3.

[0105] Table 3:

[0106]

[0107] Wherein, y is the voltage value of the electronic thermostat, unit: V; x is the engine water temperature, unit: ℃.

[0108] For example, the current engine water temperature obtained is 85℃, according to Table 3, the voltage value of KET is adjusted to 10V or 12V in Table 3 based on the engine water temperature of 85℃, which can ensure that KET can reach the current maximum output duty cycle of 100% at the voltage value of 10V or 12V and the engine water temperature of 85℃.

[0109] For example, the current engine water temperature obtained is 105℃, according to Table 3, the voltage value of KET is adjusted to 10V in Table 3 based on the engine water temperature of 105℃, which can ensure that KET can reach the current maximum output duty cycle of 29% at the voltage value of 10V and the engine water temperature of 105℃.

[0110] If the first device includes an engine electronic water pump, the process of specifically performing S103 of adjusting the first parameter related to heat dissipation in the first device based on the first operating parameter so that the first parameter reaches the first target value corresponding to the first operating parameter preset is as follows:

[0111] Adjusting the water pump duty cycle of the engine electronic water pump based on the engine water temperature to reach the target water pump duty cycle corresponding to the engine water temperature preset.

[0112] Specifically, the first control strategy preset for the engine water temperature of the engine electronic water pump is shown in Table 4.

[0113] Table 4:

[0114]

[0115] For example, the current engine water temperature obtained is 85℃, according to Table 4, the water pump duty cycle of the engine electronic water pump is adjusted to 60% corresponding to 85℃ in Table 4 based on the engine water temperature of 85℃.

[0116] If the first device includes an engine electronic water pump, the process of specifically performing S103 of adjusting the first parameter related to heat dissipation in the first device based on the first operating parameter so that the first parameter reaches the first target value corresponding to the first operating parameter preset is as follows:

[0117] Adjusting the water pump duty cycle of the engine electronic water pump based on the engine water temperature to reach the target water pump duty cycle corresponding to the engine water temperature preset.

[0118] Specifically, the first control strategy preset for the engine water temperature of the engine electronic water pump is shown in Table 4.

[0119] Table 4:

[0120]

[0121] For example, the current engine intake temperature is 45℃, according to Table 5, the water pump duty cycle of the intercooler water pump is adjusted to 85% corresponding to 45℃ in Table 5 based on the engine intake temperature of 45℃.

[0122] It should be noted that in the process of specifically executing S103, part or all of the devices in the first device can be adjusted according to the corresponding first control strategy. That is, the above adjustment process can be referred to while adjusting the parameters related to heat dissipation in the electronic fan, the thermal management module, the electronic thermostat, the engine electronic water pump and / or the intercooler water pump.

[0123] S104: Obtain the current second operating parameter of the vehicle.

[0124] In S104, the second operating parameter includes the coolant water temperature. The coolant water temperature is currently obtained in real time.

[0125] It should be noted that in addition to the engine, the heat dissipation of the battery and the motor of the hybrid vehicle also has a great influence on the heat dissipation performance of the vehicle. Therefore, in the process of executing the HCU / PDCU heat dissipation mode, the second operating parameter, i.e. the coolant water temperature, is used to determine and control the related parameters of the devices related to the coolant water temperature, so as to quickly drive the heat dissipation water pump of the battery and the motor to reach the maximum heat dissipation capacity of the battery and the motor, quickly cool down the power components, and ensure the heat dissipation performance of the vehicle.

[0126] S105: Adjust the second parameter related to heat dissipation in the second device based on the coolant water temperature, so that the second parameter reaches the second target value corresponding to the coolant water temperature set in advance.

[0127] In S105, the second device includes devices related to the coolant water temperature when the vehicle is dissipating heat. For example, the electric drive water pump, i.e. the heat dissipation water pump of the battery and the motor.

[0128] In S105, a corresponding relationship between the second operating parameter and the second target value to be reached by the second parameter in the second device is established in advance. The second control strategy based on the second operating parameter can be established in advance using the corresponding relationship.

[0129] It should be noted that since the second operating parameter is dynamic, the second target value corresponding to the second parameter in the second device under different second operating parameters can be set as needed when preset.

[0130] In the process of specifically executing S103, the second parameter related to heat dissipation in the second device can be adjusted according to the second control strategy and the second operating parameter, so that the second parameter reaches the second target value corresponding to the second operating parameter set in advance.

[0131] In an embodiment of the present application, if the second device comprises an electrically driven water pump, the process of adjusting the second parameter related to heat dissipation in the second device based on the coolant water temperature to reach a second target value of the second parameter corresponding to the coolant water temperature, which is specifically performed in S103, comprises:

[0132] Adjusting the water pump duty cycle of the electrically driven water pump based on the coolant water temperature to reach a target water pump duty cycle corresponding to the coolant water temperature.

[0133] Specifically, the second control strategy preset for the coolant water temperature for the electrically driven water pump is shown in Table 6.

[0134] Table 6:

[0135]

[0136] For example, the current obtained coolant water temperature is 50°C, and according to Table 6, the fan duty cycle of the electronic fan is adjusted to 95% corresponding to 50°C in Table 6 based on the coolant water temperature of 50°C.

[0137] It should be noted that, considering the influence of temperature on heat dissipation effect, whether the ECM heat dissipation mode shown in S102 to S103 is executed or the HCU / PDCU heat dissipation mode shown in S104 to S105 is executed, the parameter adjustment time can be preset according to the actual situation. The parameter adjustment time refers to the time required for each device (part) to adjust from the current parameter to the target value. For example, the higher the engine water temperature and engine intake temperature, the faster the electronic fan, thermal management module, electronic thermostat, engine electronic water pump and intercooler water pump need to be adjusted to the target value. Based on this, the preset parameter adjustment time can be increased in the first control strategy.

[0138] For example, when the engine water temperature is 90°C, the preset parameter adjustment time for adjusting the fan duty cycle of the electronic fan from the current value to the target value (85%) is 2 seconds. When the engine water temperature is 100 degrees, the electronic fan should be adjusted to the target parameter in a shorter time, so the preset parameter adjustment time is 1 second.

[0139] Similarly, the higher the coolant water temperature, the shorter the preset parameter adjustment time of the electrically driven water pump. Based on this, the preset parameter adjustment time can be increased in the second control strategy.

[0140] It should be noted that the ECM heat dissipation mode shown in S102 to S103 and the HCU / PDCU heat dissipation mode shown in S104 to S105 can be executed alone or in parallel. In general, parallel execution is that ECM and HCU / PDCU both respond to the heat dissipation activation signal, and then each executes the corresponding steps.

[0141] Further, the ECM cooling mode and the HCU / PDCU cooling mode can be exited when the whole vehicle is powered off, or the ECM cooling mode and the HCU / PDCU cooling mode can be exited based on a preset exit key or voice wake-up set by a user through touch.

[0142] In the vehicle cooling control method provided in the present application, a corresponding cooling mode is executed in response to a cooling activation signal; when the cooling mode is an engine controller ECM cooling mode, a current first operating parameter of the vehicle is acquired, the first operating parameter including an engine water temperature and an engine intake temperature; a first parameter related to cooling in a first device is adjusted based on the first operating parameter, so that the first parameter reaches a first target value corresponding to the first operating parameter and previously set; the first device includes a device related to the first operating parameter when the vehicle is cooling; when the cooling mode is a whole vehicle controller HCU / PDCU cooling mode, a current second operating parameter of the vehicle is acquired, the second operating parameter including a coolant water temperature; a second parameter related to cooling in a second device is adjusted based on the coolant water temperature, so that the second parameter reaches a second target value corresponding to the coolant water temperature and previously set; the second device includes a device related to the coolant water temperature when the vehicle is cooling. In the embodiments of the present application, the parameters of the devices that need to be controlled for cooling in different cooling modes are adjusted, so that the parameters reach the target values for rapid cooling, and thus each device reaches the maximum cooling degree, achieving the purpose of rapid cooling of the whole vehicle.

[0143] Based on the vehicle cooling control method disclosed in the embodiments of the present application, in an embodiment of the present application, before step S101 is executed, the following steps are further included:

[0144] First, it is detected whether a device in the vehicle has a fault, and if a device fault is detected, corresponding fault information is generated and fed back, wherein the fault information includes a device fault signal and fault prompt information, and the fault prompt information includes voice broadcast fault information and / or text prompt fault information.

[0145] Second, the response to the cooling activation signal is terminated or exited based on the device fault signal.

[0146] If no fault is detected, the step S101 disclosed in the present application is executed when there is a cooling activation signal. Figure 1

[0147] ​In combination with the above disclosed first device and second device, it is specifically possible to detect whether the water temperature sensor, electronic fan, engine electronic water pump, intercooler water pump and electrically driven water pump in the vehicle are faulty. If any one of the water temperature sensor, electronic fan, engine electronic water pump, intercooler water pump and electrically driven water pump is detected to be faulty, the engine controller or the vehicle controller generates corresponding fault information and feeds back the fault information, terminates or exits the operation of the response heat dissipation activation signal based on the device fault signal in the fault information, and voice broadcasts or displays "system fault, please try later" based on the fault prompt information, reminding the user that there is a device fault, avoiding the user from entering deep off-road with the fault, and causing other more serious consequences. At this time, the heat dissipation of the vehicle is executed according to the conventional control mode. Specifically, the electronic fan, engine electronic water pump, electrically controlled thermostat, intercooler water pump and electrically driven water pump are all controlled based on a more energy-saving control strategy, such as PID closed-loop control of the intercooler water pump based on actual intake air temperature, target intake air temperature, speed, load, ambient temperature, vehicle speed and other parameters, to meet the heat dissipation capacity on the basis of the lowest electric control.

[0148] Based on the above disclosed vehicle heat dissipation control method of the embodiments of the present application, for example, as shown in Figure 2 A system block diagram of the control method for executing vehicle heat dissipation is disclosed. The head-up display system (HUT) interface of the vehicle can perform human-computer interaction, and the interaction information is sent from the host computer to the engine controller (ECM) and / or the vehicle controller (HCU / PDCU) through the gateway (GW). The devices controllable by the ECM in the vehicle include the electronic fan (FAN), the thermal management module / electronic thermostat (TMM / KFT), the engine electronic water pump (EWP①) and the intercooler water pump (CACPMP). The devices controllable by the HCU / PDCU include the electrically driven water pump (EWP②).

[0149] After the user clicks the "super heat dissipation" icon on the HUT interface to trigger the generation of the heat dissipation activation signal, if the ECM receives the heat dissipation activation signal, the ECM acquires the engine water temperature and the engine intake air temperature, and performs the following operations according to the engine water temperature and the engine intake air temperature:

[0150] The ECM adjusts the fan duty cycle of the FAN based on the engine water temperature to reach the target fan duty cycle corresponding to the engine water temperature.

[0151] The ECM adjusts the ball valve opening degree of the TMM based on the engine water temperature to reach the target ball valve opening degree corresponding to the engine water temperature.

[0152] The ECM adjusts the voltage value of the KET based on the engine water temperature to reach the target voltage value corresponding to the engine water temperature, and the KET reaches the current maximum output duty cycle at the target voltage value and the engine water temperature.

[0153] The ECM adjusts the water pump duty ratio of the EWP ① to a target water pump duty ratio corresponding to the engine water temperature based on the engine water temperature.

[0154] The ECM adjusts the water pump duty ratio of the CACPMP to a target water pump duty ratio corresponding to the engine intake air temperature based on the engine intake air temperature.

[0155] If the HCU / PDCU receives the heat dissipation activation signal, the HCU / PDCU obtains the coolant water temperature, and adjusts the water pump duty ratio of the EWP ② to a target water pump duty ratio corresponding to the coolant water temperature based on the coolant water temperature.

[0156] In the vehicle heat dissipation control method disclosed in the present application, for the two different controllers of the ECM and the HCU / PDCU, after responding to the heat dissipation activation signal, the parameters of the devices for heat dissipation control are adjusted, so that the parameters reach the target values of rapid heat dissipation, and the devices reach the maximum heat dissipation degree, so as to achieve the purpose of rapid cooling of the whole vehicle.

[0157] Based on the vehicle heat dissipation control method disclosed in the embodiments of the present application, the embodiments of the present application also correspondingly disclose a vehicle heat dissipation control device, as shown in Figure 3 The vehicle heat dissipation control device specifically comprises: a response module 301, an engine controller heat dissipation control module 302, and a whole vehicle controller heat dissipation control module 303.

[0158] The response module 301 is configured to execute a corresponding heat dissipation mode in response to a heat dissipation activation signal, wherein when the heat dissipation mode is an engine controller heat dissipation mode, the engine controller heat dissipation control module 302 is executed; and when the heat dissipation mode is a whole vehicle controller heat dissipation mode, the whole vehicle controller heat dissipation control module 303 is executed.

[0159] The engine controller heat dissipation control module 302 is configured to obtain a first operating parameter of a vehicle, adjust a first parameter related to heat dissipation in a first device based on the first operating parameter, and make the first parameter reach a first target value corresponding to the first operating parameter, wherein the first operating parameter comprises an engine water temperature and / or an engine intake air temperature, and the first device comprises a device related to the first operating parameter when the vehicle is heat dissipated.

[0160] The whole vehicle controller heat dissipation control module 303 is configured to obtain a second operating parameter of the vehicle, adjust a second parameter related to heat dissipation in a second device based on the coolant water temperature, and make the second parameter reach a second target value corresponding to the coolant water temperature, wherein the second operating parameter comprises a coolant water temperature, and the second device comprises a device related to the coolant water temperature when the vehicle is heat dissipated.

[0161] In this embodiment, the specific execution principles and processes of the response module 301, the engine controller heat dissipation control module 302, and the vehicle controller heat dissipation control module 303 can be referred to the method embodiment contents of the corresponding Figure 1 , which will not be described here again.

[0162] In an embodiment of the present application, the control device further comprises:

[0163] The prompt module is configured to trigger heat dissipation prompt information when the vehicle is in off-road working conditions, the heat dissipation prompt information being used to prompt a user to trigger a heat dissipation activation signal; the heat dissipation prompt information comprising voice broadcast prompt information, and / or heat dissipation prompt information displayed on a human-machine interface of the vehicle; and / or,

[0164] The prompt module is further configured to trigger execution of fault prompt information in the fault information when detecting a device fault and generating corresponding fault information, the fault information comprising a device fault signal and the fault prompt information, and the fault prompt information comprising voice broadcast fault information and / or text prompt fault information.

[0165] Correspondingly, the control device further comprises a termination module configured to terminate execution of the response module 301 based on the device fault signal.

[0166] In an embodiment of the present application, the control device further comprises:

[0167] The volume adjustment module is configured to obtain a volume adjustment request, and adjust the volume of the voice broadcast prompt based on the volume adjustment request, the volume adjustment request comprising system sound volume adjustment information, system prompt sound volume adjustment information, vehicle navigation sound volume adjustment information, or vehicle telephone sound volume adjustment information.

[0168] In an embodiment of the present application, the response module 301 is specifically configured to:

[0169] In response to a heat dissipation activation signal generated by a user through touch of a pre-set heat dissipation key, execute a heat dissipation mode corresponding to the heat dissipation activation signal; or, in response to a heat dissipation activation signal generated by a user based on voice wake-up, execute a heat dissipation mode corresponding to the heat dissipation activation signal.

[0170] In an embodiment of the present application, the response module 301 is specifically configured to:

[0171] In response to a heat dissipation activation signal generated based on vehicle running state information, execute a heat dissipation mode corresponding to the heat dissipation activation signal, the vehicle running state information comprising running state information when an engine speed of the vehicle is continuously greater than a pre-set engine speed threshold value within a pre-set time length, or running state information when a driving time length of the vehicle is greater than a pre-set driving time length threshold value.

[0172] In an embodiment of the present application, if the first device includes an electronic fan, a thermal management module, an electronic thermostat, an engine electronic water pump and / or an intercooled water pump, the engine controller heat dissipation control module 302 adjusts a first parameter related to heat dissipation in the first device based on the first operating parameter, so that the first parameter reaches a first target value corresponding to the first operating parameter set in advance, and is specifically used for:

[0173] adjusting the fan duty cycle of the electronic fan based on the engine water temperature to reach a target fan duty cycle corresponding to the engine water temperature set in advance; and / or,

[0174] adjusting the ball valve opening of the thermal management module based on the engine water temperature to reach a target ball valve opening corresponding to the engine water temperature set in advance; and / or,

[0175] adjusting the voltage value of the electronic thermostat based on the engine water temperature to reach a target voltage value corresponding to the engine water temperature set in advance, so that the electronic thermostat reaches a current maximum output duty cycle at the target voltage value and the engine water temperature; and / or,

[0176] adjusting the water pump duty cycle of the engine electronic water pump based on the engine water temperature to reach a target water pump duty cycle corresponding to the engine water temperature set in advance; and / or,

[0177] adjusting the water pump duty cycle of the intercooled water pump based on the engine intake air temperature to reach a target water pump duty cycle corresponding to the engine intake air temperature set in advance.

[0178] In an embodiment of the present application, if the second device includes an electrically driven water pump, the vehicle controller heat dissipation control module 303 adjusts a second parameter related to heat dissipation in the second device based on the coolant water temperature, so that the second parameter reaches a second target value corresponding to the coolant water temperature set in advance, and is specifically used for:

[0179] adjusting the water pump duty cycle of the electrically driven water pump based on the coolant water temperature to reach a target water pump duty cycle corresponding to the coolant water temperature set in advance.

[0180] In an embodiment of the present application, a vehicle heat dissipation control device is provided, which responds to a heat dissipation activation signal by a response module and triggers the execution of an engine controller heat dissipation control module or triggers the execution of a vehicle controller heat dissipation control module; the engine controller heat dissipation control module or the vehicle controller heat dissipation control module respectively adjusts the parameters of the devices for which they perform heat dissipation control, so that the parameters reach target values for rapid heat dissipation, and thus the devices reach maximum heat dissipation levels, achieving the purpose of rapid cooling of the vehicle.

[0181] Another embodiment of the present application also provides a vehicle, which includes the vehicle heat dissipation control device disclosed in the above embodiments.

[0182] The various embodiments described in this specification are described in progressive order of complexity, from the simplest embodiment to more complex embodiments. Embodiments described in this specification can be understood, and implemented, by those skilled in the art with the benefit of the following description and practice of the disclosure without necessitating use of more complex embodiments. The same parts and features of the various embodiments described in this specification can be referred to by the same reference numerals in all figures of which their presence in some or all of the various embodiments is indicated, but not necessarily by the same reference designators. Each embodiment described in this specification is focused on the differences between that embodiment and other embodiments. In particular, for system or system embodiment, since it is substantially similar to the method embodiment, it is described more simply, and the relevant parts can be referred to the description of the method embodiment. The systems and system embodiments described above are merely illustrative, and the units described as separate components can or can not be physically separate, and the components shown as units can or can not be physical units, i.e. can be located in one place, or can be distributed to multiple network units. Some or all of the modules can be selected to achieve the purpose of the embodiment according to actual needs. Those skilled in the art can understand and implement without inventive labor.

[0183] Those skilled in the art will further appreciate that the units and algorithm steps of the examples described in connection with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or combinations of both. To clearly illustrate the interchangeability of hardware and software, and to avoid obscuring the disclosure with details of the specific implementation, the description herein has generally been described in functional terms. Those skilled in the art will appreciate that the embodiments described in this specification are capable of implementation in a variety of forms and that the disclosed embodiments are merely illustrative of the principles of the disclosure. The embodiments described in this specification are to be considered in their functional and / or operational terms rather than in terms of a specific configuration.

[0184] The above description of disclosed embodiments enables a person skilled in the art to implement or use the disclosure. Various modifications to these embodiments will be apparent to those skilled in the art, and the general principles defined herein can be implemented in other embodiments without departing from the spirit or scope of the application. Therefore, the present application will not be limited to the embodiments shown herein, but will conform to the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A control method of vehicle heat dissipation, characterized by, The control method comprises: in response to a heat dissipation activation signal, executing a corresponding heat dissipation mode; when the heat dissipation mode is an engine controller heat dissipation mode, obtaining a current first operating parameter of the vehicle, the first operating parameter comprising an engine water temperature and an engine intake air temperature; based on the first operating parameter, adjusting a first parameter related to heat dissipation in a first device, so that the first parameter reaches a first target value corresponding to the first operating parameter preset; the first device comprises a device related to the first operating parameter when the vehicle is dissipating heat; when the heat dissipation mode is a vehicle controller heat dissipation mode, obtaining a current second operating parameter of the vehicle, the second operating parameter comprising a coolant water temperature; based on the coolant water temperature, adjusting a second parameter related to heat dissipation in a second device, so that the second parameter reaches a second target value corresponding to the coolant water temperature preset; the second device comprises a device related to the coolant water temperature when the vehicle is dissipating heat.

2. The control method according to claim 1, characterized by, Further comprising: when the vehicle is in an off-road working condition, triggering a heat dissipation prompt information, the heat dissipation prompt information being used to prompt a user to trigger a heat dissipation activation signal; the heat dissipation prompt information comprises voice broadcast prompt information, and / or heat dissipation prompt information displayed on a human-computer interaction interface of the vehicle.

3. The control method according to claim 2, characterized by, If the heat dissipation prompt information is voice broadcast prompt, further comprising: obtaining a volume adjustment request, adjusting the volume of the voice broadcast prompt based on the volume adjustment request, the volume adjustment request comprising system sound volume adjustment information, system prompt sound volume adjustment information, vehicle navigation sound volume adjustment information or vehicle telephone sound volume adjustment information.

4. The control method according to claim 1, characterized by, The response to the heat dissipation activation signal to execute the corresponding heat dissipation mode comprises: in response to a heat dissipation activation signal generated by a user through a pre-set heat dissipation key, executing a heat dissipation mode corresponding to the heat dissipation activation signal; or in response to a heat dissipation activation signal generated by a user based on voice wake-up, executing a heat dissipation mode corresponding to the heat dissipation activation signal.

5. The control method according to claim 1, characterized by, The response to the heat dissipation activation signal to execute the corresponding heat dissipation mode comprises: in response to a heat dissipation activation signal generated based on vehicle operating state information, executing a heat dissipation mode corresponding to the heat dissipation activation signal, the vehicle operating state information comprising operating state information when the engine speed of the vehicle is continuously greater than a preset engine speed threshold value within a preset time length, or operating state information when the driving time of the vehicle is greater than a preset driving time threshold value.

6. The control method according to any one of claims 1 to 5, characterized by, If the first device comprises an electronic fan, a thermal management module, an electronic thermostat, an electronic water pump of the engine and / or an intercooler water pump, the adjustment of the first parameter related to heat dissipation in the first device based on the first operating parameter, so that the first parameter reaches the first target value corresponding to the first operating parameter preset, comprises: based on the engine water temperature, adjusting the fan duty cycle of the electronic fan to reach a target fan duty cycle corresponding to the engine water temperature preset; and / or based on the engine water temperature, adjusting the ball valve opening degree of the thermal management module to reach a target ball valve opening degree corresponding to the engine water temperature preset; and / or adjusting the voltage value of the electronic thermostat to a pre-set target voltage value corresponding to the engine water temperature, at which the electronic thermostat reaches a current maximum output duty cycle; and / or, adjusting the water pump duty cycle of the electronic water pump of the engine to a pre-set target water pump duty cycle corresponding to the engine water temperature; and / or, adjusting the water pump duty cycle of the intercooler water pump to a pre-set target water pump duty cycle corresponding to the engine intake air temperature.

7. The control method according to any one of claims 1 to 5, characterized by, if the second device comprises an electrically driven water pump, adjusting a second parameter related to heat dissipation in the second device based on the coolant water temperature, so that the second parameter reaches a pre-set second target value corresponding to the coolant water temperature, comprising: adjusting the water pump duty cycle of the electrically driven water pump to a pre-set target water pump duty cycle corresponding to the coolant water temperature.

8. The control method according to any one of claims 1 to 5, characterized by, before executing the corresponding heat dissipation mode in response to the heat dissipation activation signal, further comprising: if a device fault is detected, generating corresponding fault information and feeding back, the fault information comprising a device fault signal and fault prompt information, the fault prompt information comprising voice broadcast fault information and / or text prompt fault information; terminating or exiting the response to the heat dissipation activation signal based on the device fault signal.

9. A control device for vehicle heat dissipation, characterized by comprising: The control device comprises: a response module for executing a corresponding heat dissipation mode in response to a heat dissipation activation signal, wherein when the heat dissipation mode is an engine controller heat dissipation mode, an engine controller heat dissipation control module is executed; when the heat dissipation mode is a vehicle controller heat dissipation mode, a vehicle controller heat dissipation control module is executed; The engine controller heat dissipation control module is configured to obtain a first operating parameter of the vehicle, adjust a first parameter related to heat dissipation in a first device based on the first operating parameter, so that the first parameter reaches a pre-set first target value corresponding to the first operating parameter; the first operating parameter comprises an engine water temperature and / or an engine intake air temperature, and the first device comprises a device related to the first operating parameter during vehicle heat dissipation; The vehicle controller heat dissipation control module is configured to obtain a second operating parameter of the vehicle, the second operating parameter comprising a coolant water temperature, adjust a second parameter related to heat dissipation in a second device based on the coolant water temperature, so that the second parameter reaches a pre-set second target value corresponding to the coolant water temperature; the second device comprises a device related to the coolant water temperature during vehicle heat dissipation.

10. A vehicle characterized by comprising: The vehicle comprises the control device for vehicle heat dissipation according to claim 9.

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