An opening degree control method, device, equipment and medium of an air intake grille

Abstract

The application provides an opening degree control method, device and equipment of an air inlet grille and a medium, and relates to the control field of electric vehicles. In the case that the compressor is in a preset working mode and the driving speed of the vehicle is greater than or equal to a first preset speed, the air inlet grille is adjusted to the maximum opening degree, a minimum opening degree is determined by continuously reducing the opening degree of the air inlet grille, and the air flow entering the vehicle through the opening degree can ensure that the heat dissipation effect of the compressor is not affected and the wind resistance formed is as small as possible, so that the energy consumption of the vehicle caused by overcoming the wind resistance is reduced as much as possible under the premise of ensuring the normal working of the air conditioning system, and the control of the air inlet grille with the optimal opening degree is realized.

Description

Technical Field

[0001] This application relates to the field of electric vehicle control, and in particular to a method, device, equipment and medium for controlling the opening of an air intake grille. Background Technology

[0002] For electric vehicles, especially in high-speed driving scenarios, determining the optimal opening degree of the active grille shutter (AGS) requested by the air conditioning system has always been a challenge. If the air conditioning system requests a larger AGS opening, the resulting large opening will increase the vehicle's drag, leading to increased driving energy consumption at high speeds. Conversely, if the air conditioning system requests a smaller AGS opening, the smaller opening may result in insufficient cooling by the air conditioning system, also increasing its energy consumption. Therefore, determining the optimal grille shutter opening degree is difficult. Summary of the Invention

[0003] In view of this, this application provides a method, device, equipment and medium for controlling the opening of the air intake grille. The main purpose is to determine the optimal opening of the air intake grille during the vehicle's high-speed driving process, so as to minimize the impact of wind resistance on the vehicle and reduce the vehicle's energy consumption without affecting the cooling function of the air conditioning system.

[0004] To achieve the above objectives, the first aspect of this application discloses a method for controlling the opening degree of an air intake grille, applied to a vehicle, the vehicle including an air conditioning system, the air conditioning system including a compressor, the method comprising:

[0005] Obtain the operating mode of the compressor and the driving speed of the vehicle;

[0006] If the working mode is a preset working mode and the driving speed is greater than or equal to a first preset speed, then the air intake grille is adjusted to the maximum opening, and the power of the compressor under the maximum opening of the air intake grille is obtained. The preset working mode includes a cooling mode or a heating mode.

[0007] The opening of the air intake grille is gradually reduced in a first preset step size. The power of the compressor is obtained after each adjustment of the opening size until the target power of the compressor obtained after the current adjustment of the opening size is greater than or equal to the reference power obtained after any previous adjustment of the opening size. The opening size of the air intake grille at the previous time is taken as the target opening size of the air intake grille. The reference power is the sum of the power after any previous adjustment of the opening size of the air intake grille and the preset floating power.

[0008] Control the air intake grille to operate at the target opening degree.

[0009] Optionally, the step of gradually decreasing the opening of the air intake grille in a first preset step size, and obtaining the power of the compressor after each adjustment of the opening, until the target power of the compressor obtained after the current adjustment of the air intake grille is greater than or equal to the reference power obtained after any previous adjustment of the opening, includes:

[0010] After adjusting the opening of the air intake grille by a first preset step size for the nth time, the nth power of the compressor is obtained, where n is an integer greater than or equal to 2.

[0011] If the nth power is less than the reference power, the opening of the air intake grille is adjusted by a first preset step size for the (n+1)th time to decrease the opening until the target power of the compressor obtained after adjusting the opening of the air intake grille is greater than or equal to the reference power obtained after any previous adjustment of the opening of the air intake grille.

[0012] Optionally, the step of gradually decreasing the opening of the air intake grille in a first preset step size, and obtaining the power of the compressor after each adjustment of the opening, until the target power of the compressor obtained after the current adjustment of the air intake grille is greater than or equal to the reference power obtained after any previous adjustment of the opening, includes:

[0013] After adjusting the opening of the air intake grille by a first preset step size for the nth time, the nth power of the compressor is obtained, where n is an integer greater than or equal to 2.

[0014] If the nth power is less than the reference power, the opening of the air intake grille is adjusted by a first preset step size for the (n+1)th time to decrease the opening until the target power of the compressor obtained after adjusting the opening of the air intake grille is greater than or equal to the reference power obtained after any previous adjustment of the opening of the air intake grille.

[0015] Optionally, after controlling the air intake grille to operate at the target opening, the method further includes:

[0016] When an increase in the power of the compressor is detected, the intake grille at the target opening is adjusted by increasing the opening step by a second preset step. The power of the compressor is obtained after each adjustment of the opening of the intake grille, until the target power of the compressor obtained after the current adjustment of the opening of the intake grille is less than the reference power, which is represented by the sum of the power of the compressor at the maximum opening and the preset floating power. The opening of the intake grille after the current adjustment is taken as the updated opening of the intake grille.

[0017] The air intake grille is controlled to operate according to the updated opening degree.

[0018] Optionally, after controlling the air intake grille to operate at the target opening, the method further includes:

[0019] When an increase in the power of the compressor is detected, the intake grille at the target opening is adjusted by increasing the opening step by a second preset step. The power of the compressor is obtained after each adjustment of the opening of the intake grille, until the target power of the compressor obtained after the current adjustment of the opening of the intake grille is less than the reference power, which is represented by the sum of the power of the compressor at the maximum opening and the preset floating power. The opening of the intake grille after the current adjustment is taken as the updated opening of the intake grille.

[0020] The air intake grille is controlled to operate according to the updated opening degree.

[0021] Optionally, after obtaining the compressor's operating status and the vehicle's speed, the method further includes:

[0022] If the vehicle's speed is less than the second preset speed, the air intake grille is controlled to the maximum opening. The air intake grille is fully open at the maximum opening. The second preset speed is less than or equal to the first preset speed. The second preset speed is the maximum vehicle speed at which wind resistance does not affect the vehicle's energy consumption when the air intake grille is fully open.

[0023] Optionally, after obtaining the compressor's operating status and the vehicle's speed, the method further includes:

[0024] If the vehicle's speed is less than the second preset speed, the air intake grille is controlled to the maximum opening. The air intake grille is fully open at the maximum opening. The second preset speed is less than or equal to the first preset speed. The second preset speed is the maximum vehicle speed at which wind resistance does not affect the vehicle's energy consumption when the air intake grille is fully open.

[0025] The second aspect of this application discloses an air intake grille opening control device, comprising:

[0026] The first acquisition module is used to acquire the operating mode of the compressor and the driving speed of the vehicle;

[0027] The second acquisition module, if the working mode is a preset working mode and the driving speed is greater than or equal to the first preset speed, adjusts the air intake grille to the maximum opening and acquires the power of the compressor under the maximum opening of the air intake grille, wherein the preset working mode includes a cooling mode or a heating mode.

[0028] The determining module is used to gradually decrease the opening of the air intake grille by a first preset step size, and obtain the power of the compressor after each adjustment of the opening size, until the target power of the compressor obtained after the current adjustment of the opening size is greater than or equal to the reference power obtained after any previous adjustment of the opening size, and take the previous opening size of the air intake grille as the target opening size of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening size of the air intake grille and the preset floating power;

[0029] The control module is used to control the air intake grille to operate according to the target opening degree.

[0030] A third aspect of this application provides an electronic device, comprising:

[0031] At least one processor; and a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor to enable the at least one processor to perform any of the methods disclosed in the first aspect.

[0032] A fourth aspect of this application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the method described in the first aspect.

[0033] In summary, according to the technical solution disclosed in this application, in order to determine the optimal opening degree of the air intake grille, this application provides a method for controlling the opening degree of the air intake grille. When the compressor is in a preset working mode and the vehicle speed is greater than or equal to a first preset speed, the air intake grille is adjusted to the maximum opening degree. By continuously reducing the opening degree of the air intake grille, a minimum opening degree is determined. The airflow entering the vehicle through this opening degree can ensure that the cooling effect of the compressor is not affected, while also minimizing the wind resistance formed. Under the premise of ensuring the normal operation of the air conditioning system, the energy consumption of the vehicle engine due to overcoming wind resistance is minimized, thereby achieving the control of the optimal opening degree of the air intake grille.

[0034] The above description is only an overview of the technical solution of this application. In order to better understand the technical means of this application and to implement it in accordance with the contents of the specification, and to make the above and other objects, features and advantages of this application more obvious and understandable, the following are specific embodiments of this application. Attached Figure Description

[0035] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with this application and, together with the description, serve to explain the principles of this application.

[0036] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, for those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0037] Figure 1 This application provides a schematic flowchart of the air intake grille opening control method according to an embodiment. Figure 1 ;

[0038] Figure 2 This application provides a schematic flowchart of the air intake grille opening control method according to an embodiment. Figure 2 ;

[0039] Figure 3 This application provides a schematic flowchart of the air intake grille opening control method according to an embodiment. Figure 3 ;

[0040] Figure 4 A structural diagram of the air intake grille opening control device provided in an embodiment of this application is shown. Detailed Implementation

[0041] To better understand the technical solutions provided in the embodiments of this specification, the technical solutions of the embodiments of this specification will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of this specification and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this specification, rather than limitations on the technical solutions of this specification. In the absence of conflict, the embodiments of this specification and the technical features in the embodiments can be combined with each other.

[0042] In this document, relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, without necessarily requiring or implying any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element. The term "two or more" includes two or more cases.

[0043] In electric vehicles, the airflow into the engine compartment can be controlled by adjusting the opening and closing of the front grille, thereby optimizing aerodynamic performance and improving motor cooling. When the vehicle requires more cooling, the AGS (Automatic Grille Controller) can increase its opening to allow more airflow, providing a better cooling environment for the motor. However, more airflow increases the vehicle's drag, especially at high speeds, increasing the vehicle's load. In conclusion, meeting the vehicle's cooling needs and reducing drag are contradictory requirements, making it difficult to determine the optimal AGS opening.

[0044] This embodiment provides a method for controlling the opening degree of the air intake grille, such as... Figure 1 As shown, it includes:

[0045] Step 101: Obtain the compressor's operating mode and the vehicle's speed.

[0046] The compressor is one of the core components of an air conditioning system. It is responsible for compressing the refrigerant from a low-pressure gas to a high-pressure gas. The compressor is used to support the normal operation of the air conditioning system. Therefore, the operating mode of the compressor corresponds to the operating mode of the air conditioning system.

[0047] When the air intake grille is wide open, more air flows into the vehicle. At higher vehicle speeds, this inflowing air creates wind resistance. Therefore, the implementation of this embodiment also needs to take into account the vehicle's specific driving speed.

[0048] Step 102: If the working mode is the preset working mode and the driving speed is greater than or equal to the first preset speed, then adjust the air intake grille to the maximum opening and obtain the compressor power of the air intake grille at the maximum opening. The preset working mode includes cooling mode or heating mode.

[0049] The compressor's operating mode corresponds to the air conditioning system's operating mode. In this embodiment, the compressor's preset operating mode can also be used as the air conditioning system's operating mode. The air conditioning system's operating modes include cooling mode or heating mode. In cooling mode, the air conditioning system is used to lower the temperature inside the cockpit; in heating mode, the air conditioning system is used to raise the temperature inside the cockpit.

[0050] When the air conditioning system is used for cooling, the compressor operates in cooling mode, compressing the low-temperature, low-pressure refrigerant gas into a high-temperature, high-pressure gas. When the air conditioning system is used for heating, the compressor operates in heating mode, compressing the low-temperature, low-pressure refrigerant gas into a high-temperature, high-pressure gas. Regardless of whether the compressor is in cooling or heating mode, its energy consumption is higher, and it tends to overheat. A heated compressor generates more power, consuming more energy from the vehicle's electrical system. Therefore, it's necessary to enhance the compressor's cooling capacity. By alleviating the compressor's overheating, its power output will decrease, reducing energy consumption.

[0051] In some embodiments, if the compressor is in self-heating mode, the air intake grille is controlled to its minimum opening, and the air intake grille is completely closed at its minimum opening. When the air conditioning system is in self-heating mode, in cold weather conditions, the air conditioning system itself can generate heat to raise the temperature inside the vehicle. At this time, the compressor is not working or has a low workload, and the compressor does not need to dissipate heat. Especially under high-speed driving conditions, the air intake grille can be completely closed or opened only slightly to reduce wind resistance.

[0052] When the vehicle speed exceeds the first preset speed, the airflow entering the vehicle through the AGS will create wind resistance, and the motor needs to increase its losses to resist the wind resistance.

[0053] Therefore, in some embodiments, if the vehicle's speed is less than a second preset speed, the air intake grille is controlled to be at its maximum opening. The air intake grille is fully open at its maximum opening. The second preset speed is less than or equal to the first preset speed. The second preset speed is the maximum vehicle speed at which wind resistance does not affect the vehicle's energy consumption when the air intake grille is fully open.

[0054] When the vehicle is at a low speed, the airflow entering the vehicle through the air intake grille will not generate much wind resistance. Therefore, at low vehicle speeds, when the compressor has a cooling requirement, the air intake grille can be fully opened to achieve the best cooling effect for the compressor.

[0055] Step 103: The opening of the air intake grille is adjusted by decreasing it step by step with a first preset step size. The power of the compressor is obtained after each adjustment of the opening size until the target power of the compressor obtained after the current adjustment of the opening size is greater than or equal to the reference power obtained after any previous adjustment of the opening size. The opening size of the air intake grille in the previous adjustment is taken as the target opening size of the air intake grille. The reference power is the sum of the power after any previous adjustment of the opening size of the air intake grille and the preset floating power.

[0056] When the opening is at its maximum, the maximum airflow into the vehicle is achieved, resulting in the strongest cooling effect on the compressor and preventing the motor from consuming energy due to overheating. However, the maximum airflow also results in the greatest wind resistance, requiring the motor to consume the most energy to overcome this resistance.

[0057] Where possible, to achieve compressor cooling, it is not necessary to fully open the air intake grille to maximize airflow into the vehicle. Therefore, in this embodiment, the opening of the air intake grille is gradually reduced to decrease the airflow into the vehicle. During each reduction in opening, the compressor power is measured; this power change is primarily due to the reduced heat dissipation effect. Each time the opening is adjusted, the compressor power is compared to a reference power to ensure that the compressor power does not exceed or equal the reference power during each adjustment. The reference power is equal to the sum of the power after any previous adjustment of the air intake grille opening and a preset floating power. For example, during the second adjustment of the air intake grille opening, the compressor power at its maximum opening or the sum of the preset floating power is used as the reference power. The purpose of designing the reference power is primarily to prevent significant changes in compressor power compared to previous adjustments when the air intake grille opening is continuously adjusted. When the compressor power is greater than or equal to the reference power, it can be considered that the heat dissipation effect is significantly weaker under the current adjustment of the intake grille opening, which has a significant impact on the compressor power. The intake grille opening adjusted last time should be used as the target opening.

[0058] The specific process of gradually reducing the opening of the air intake grille can be summarized as follows:

[0059] After adjusting the opening of the air intake grille by a first preset step size for the nth time, the nth power of the compressor is obtained, where n is an integer greater than or equal to 2.

[0060] If the nth power is less than the reference power, the opening of the air intake grille is adjusted by a first preset step size for the (n+1)th time to decrease the opening, until the target power of the compressor obtained after adjusting the opening of the air intake grille is greater than or equal to the reference power obtained after any previous adjustment of the opening of the air intake grille.

[0061] This embodiment specifically describes the nth adjustment of the intake grille opening during multiple adjustments. During the nth adjustment, the compressor power is obtained as the nth power. If the nth power is less than the reference power, it can be assumed that the opening at the nth adjustment does not significantly affect the compressor's heat dissipation. Therefore, the opening adjustment can continue for the (n+1)th time until the adjusted intake grille opening significantly affects the compressor's heat dissipation.

[0062] In some embodiments, after adjusting the opening of the air intake grille by a first preset step size for the nth time, the stable nth power of the compressor is obtained. The stable nth power represents the power value where the floating power is less than or equal to the floating threshold within a preset time period.

[0063] Each time the compressor opening is reduced, the obtained compressor power is the stable compressor power. Stable compressor power represents the power value where the fluctuating power is less than or equal to a fluctuating threshold within a preset time period. At the nth reduction of the opening, the stable compressor power is represented as the stable nth power. Obtaining stable power data ensures the reliability of the power data.

[0064] This embodiment is as follows: Figure 2 As shown, when the compressor is not turned on or in self-heating mode, the air intake grille can be directly controlled to its minimum opening. When the vehicle speed is less than the second preset speed, the air intake grille can be directly controlled to its maximum opening. When the vehicle speed exceeds the first preset speed and the compressor is in a preset operating mode, the AGS is controlled to its maximum opening, and the stable compressor power at this time is recorded as P0. In this embodiment, the first preset step size is 10%, that is, the opening is reduced by 10% each time, and the preset floating power is 30W. In the first step of reducing the opening, after controlling the AGS opening to decrease by 10%, the stable compressor power at this time is obtained as P1. If P1 < P0 + 30W, it can be determined that the first reduction of the AGS opening has little impact on the compressor power, and the AGS opening can be further reduced. If P1 ≥ P0 + 30W, it can be determined that the second reduction of the AGS opening has a greater impact on the compressor power, and the AGS opening cannot be further reduced; the AGS is directly controlled to its maximum opening. When P1 < P0 + 30W, the m-th opening reduction step is finally determined by repeatedly executing the opening reduction adjustment step. In this opening reduction step, the reduced opening is Wm, and the stable compressor power is Pm, Pm ≥ Pm-1(Pm-2, Pm-1……P0) + 30W. At this time, the opening at the m-1-th step is taken as the target opening. The opening at the m-1-th step is the minimum opening that does not affect the compressor's heat dissipation. At the same time, this target opening can minimize the airflow entering the vehicle and also minimize the vehicle's wind resistance.

[0065] Step 104: Control the air intake grille to operate at the target opening degree.

[0066] After determining the target opening, the air intake grille is controlled according to the determined target opening. The target opening can minimize the airflow entering the vehicle through the air intake grille and also minimize the vehicle's wind resistance.

[0067] This embodiment can adjust the air intake grille to its maximum opening when the compressor is in a preset working mode and the vehicle's speed is greater than or equal to a first preset speed. By continuously reducing the opening of the air intake grille, a minimum opening is determined. The airflow entering the vehicle through this opening can ensure that the compressor's heat dissipation effect is not affected, while also minimizing the wind resistance. This ensures the normal operation of the air conditioning system and minimizes the energy consumption of the vehicle's engine due to overcoming wind resistance, thus achieving optimal control of the air intake grille opening.

[0068] In some embodiments, when an increase in compressor power is detected, the intake grille of the target opening is adjusted by increasing the opening step by a second preset opening step. The compressor power is obtained after each adjustment of the intake grille opening until the target power of the compressor obtained after the current adjustment of the intake grille opening is less than the reference power, which is represented as the sum of the compressor power at the maximum opening and the preset floating power. The opening of the intake grille after the current adjustment is used as the updated opening of the intake grille.

[0069] Control the air intake grille to operate at the updated opening degree.

[0070] After determining the target opening degree most suitable for the compressor by continuously reducing the opening degree of the air intake grille, this embodiment considers that the power of the air conditioner may change. This change is mainly caused by changes in the operating parameters of the air conditioning system. For example, when the compressor is in heating mode, if the occupants of the vehicle increase the heating temperature of the air conditioner from 15 degrees to 25 degrees, the load on the air conditioning system increases, the load on the compressor also increases, and the power of the compressor increases. At this time, the air intake volume of the air intake grille at the target opening degree may not meet the heat dissipation requirements of the compressor. Therefore, this embodiment further adjusts the opening degree of the air intake grille after determining the target opening degree.

[0071] Because the compressor's power increases, the opening of the intake grille adapted to the compressor must be greater than the target opening. Therefore, in this embodiment, the adjustment of the opening is mainly performed by gradually increasing the opening. Simultaneously, in this embodiment, the compressor power obtained after each increase in opening is compared with the compressor power when the intake grille is fully open. When the difference between the two is large, it can be considered that the current opening does not meet the compressor's heat dissipation requirements, and further increases in the intake grille opening are needed. This continues until the compressor power obtained after a certain increase in opening is compared with the compressor power when the intake grille is fully open. When the difference between the two is small, the increased opening can be used as the updated opening, and the intake grille operation is executed to meet the compressor's heat dissipation requirements.

[0072] In some embodiments, when an increase in compressor power is detected and the compressor power is unstable for a certain period of time, it can be considered that the heat dissipation conditions are extremely poor at this time. The intake grille can be directly adjusted to the maximum opening to quickly provide the compressor with the best heat dissipation environment.

[0073] For example, such as Figure 3 As shown, when an increase in compressor power is detected, the target opening degree is detected as Wm. It is then checked whether the increased compressor power can stabilize within one minute. If unstable, the intake grille is directly controlled to its maximum opening degree. If stable, the opening degree is increased. In this embodiment, the second preset step size is 10%, meaning the opening degree increases by 10% each time, and the preset floating power is 30W. In the first step of increasing the opening degree adjustment, after controlling the AGS opening degree to increase by 10%, the opening degree is adjusted to Ws1. The stable compressor power at this time is obtained as Ps1. The relationship between Ps1 and P0 is determined. If Ps1 < P0 + 30W, it can be determined that the opening degree can meet the compressor's heat dissipation requirements; if Ps1 ≥ P0 + 30W, it can be determined that the opening degree cannot meet the compressor's heat dissipation requirements. The opening of the air intake grille needs to be further increased. By repeatedly executing the opening increase adjustment steps, the r-th opening increase step is finally determined. In this step, the increased opening is Wsr, and the stable compressor power is Psr, where Psr < P0 + 30W. The opening Wsr is used as the updated opening to control the air intake grille operation. Simultaneously, during the continuous execution of the opening increase steps, when the opening reaches its maximum, the maximum opening is directly used as the updated opening, controlling the air intake grille to operate at the maximum opening.

[0074] This embodiment provides an air intake grille opening control device, such as... Figure 4 As shown, it includes:

[0075] The first acquisition module 41 is used to acquire the operating mode of the compressor and the driving speed of the vehicle;

[0076] The second acquisition module 42, if the working mode is a preset working mode and the driving speed is greater than or equal to the first preset speed, adjusts the air intake grille to the maximum opening and acquires the power of the compressor under the maximum opening of the air intake grille, wherein the preset working mode includes a cooling mode or a heating mode.

[0077] The determining module 43 is used to adjust the opening of the air intake grille by decreasing it step by step with a first preset step size, and to obtain the power of the compressor after each adjustment of the opening size, until the target power of the compressor obtained after the current adjustment of the opening size is greater than or equal to the reference power obtained after any previous adjustment of the opening size, and to take the opening size of the air intake grille of the previous time as the target opening size of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening size of the air intake grille and the preset floating power;

[0078] The control module 44 is used to control the air intake grille to operate according to the target opening degree.

[0079] In some embodiments, the determining module 43 is used to obtain the nth power of the compressor after adjusting the opening of the air intake grille by a first preset step size for the nth time by decreasing the opening size, where n is an integer greater than or equal to 2;

[0080] If the nth power is less than the reference power, the opening of the air intake grille is adjusted by a first preset step size for the (n+1)th time to decrease the opening until the target power of the compressor obtained after adjusting the opening of the air intake grille is greater than or equal to the reference power obtained after any previous adjustment of the opening of the air intake grille.

[0081] In some embodiments, after adjusting the opening of the air intake grille by a first preset step size for the nth time, the stable nth power of the compressor is obtained. The stable nth power represents the power value where the floating power is less than or equal to the floating threshold within a preset time period.

[0082] In some embodiments, the determining module 43 is further configured to:

[0083] When an increase in the power of the compressor is detected, the intake grille at the target opening is adjusted by increasing the opening step by a second preset step. The power of the compressor is obtained after each adjustment of the opening of the intake grille, until the target power of the compressor obtained after the current adjustment of the opening of the intake grille is less than the reference power, which is represented by the sum of the power of the compressor at the maximum opening and the preset floating power. The opening of the intake grille after the current adjustment is taken as the updated opening of the intake grille.

[0084] The control module 44 is also used to: control the air intake grille to operate according to the updated opening degree.

[0085] In some embodiments, the determining module 43 is configured to: if the air intake grille reaches its maximum opening during the process of successively increasing the opening of the air intake grille, control the air intake grille to operate at the maximum opening.

[0086] In some embodiments, the control module 44 is further configured to:

[0087] If the vehicle's speed is less than the second preset speed, the air intake grille is controlled to the maximum opening. The air intake grille is fully open at the maximum opening. The second preset speed is less than or equal to the first preset speed. The second preset speed is the maximum vehicle speed at which wind resistance does not affect the vehicle's energy consumption when the air intake grille is fully open.

[0088] In some embodiments, the control module 44 is further configured to:

[0089] If the compressor is in self-heating mode, the air intake grille is controlled to the minimum opening degree, and the air intake grille is completely closed at the minimum opening degree.

[0090] It should be noted that the descriptions of each embodiment in the above embodiments have different focuses. For parts that are not described in detail in a certain embodiment, please refer to the relevant descriptions in other embodiments.

[0091] Those skilled in the art will understand that embodiments of this application can be provided as methods, systems, or computer program products. Therefore, this application can take the form of a completely hardware embodiment, a completely software embodiment, or an embodiment combining software and hardware aspects. Furthermore, this application can take the form of a computer program product embodied on one or more computer-readable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-readable program code.

[0092] This application is described with reference to flowchart illustrations and / or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of this application. It will be understood that each block of the flowchart illustrations and / or block diagrams, and combinations of blocks in the flowchart illustrations and / or block diagrams, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, special-purpose computer, embedded computer, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create a machine for implementing the flowchart illustrations. Figure 1 One or more processes and / or boxes Figure 1 A device that provides the functions specified in one or more boxes.

[0093] These computer program instructions may also be stored in a computer-readable storage medium that can direct a computer or other programmable data processing device to function in a particular manner, such that the instructions stored in the computer-readable storage medium produce an article of manufacture including instruction means, which are implemented in a process Figure 1 One or more processes and / or boxes Figure 1The function specified in one or more boxes.

[0094] These computer program instructions may also be loaded onto a computer or other programmable data processing equipment to cause a series of operational steps to be performed on the computer or other programmable equipment to produce a computer-implemented process, thereby providing instructions that execute on the computer or other programmable equipment for implementing the process. Figure 1 One or more processes and / or boxes Figure 1 The steps of the function specified in one or more boxes.

[0095] This application also provides a computer program product, which includes computer software instructions that, when executed on a processing device, cause the processing device to execute a process for controlling the opening of an air intake grille.

[0096] A computer program product includes one or more computer instructions. When the computer program instructions are loaded and executed on a computer, all or part of the flow or function according to the embodiments of this application is generated. The computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable device. The computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another. For example, computer instructions may be transmitted from one website, computer, server, or data center to another website, computer, server, or data center via wired (e.g., coaxial cable, fiber optic, digital subscriber line (DSL)) or wireless (e.g., infrared, wireless, microwave, etc.) means. The computer-readable storage medium may be any available medium that a computer can store or a data storage device such as a server or data center that integrates one or more available media. The available medium may be a magnetic medium (e.g., floppy disk, hard disk, magnetic tape), an optical medium (e.g., DVD), or a semiconductor medium (e.g., solid-state disk (SSD)).

[0097] Those skilled in the art will clearly understand that, for the sake of convenience and brevity, the specific working processes of the systems, devices, and units described above can be referred to the corresponding processes in the foregoing method embodiments, and will not be repeated here.

[0098] In the several embodiments provided in this application, it should be understood that the disclosed devices, apparatuses, and methods can be implemented in other ways. For example, the apparatus embodiments described above are merely illustrative; for instance, the division of units is only a logical functional division, and in actual implementation, there may be other division methods. For example, multiple units or components may be combined or integrated into another system, or some features may be ignored or not executed. Furthermore, the coupling or direct coupling or communication connection shown or discussed may be through some interfaces, or indirect coupling or communication connection between devices or units, and may be electrical, mechanical, or other forms.

[0099] The units described as separate components may or may not be physically separate. The components shown as units may or may not be physical units; that is, they may be located in one place or distributed across multiple network units. Some or all of the units can be selected to achieve the purpose of this embodiment according to actual needs.

[0100] Furthermore, the functional units in the various embodiments of this application can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit. The integrated unit can be implemented in hardware or as a software functional unit.

[0101] If the integrated unit is implemented as a software functional unit and sold or used as an independent product, it can be stored in a computer-readable storage medium. Based on this understanding, the technical solution of this application, in essence, or the part that contributes to the prior art, or all or part of the technical solution, can be embodied in the form of a software product. This computer software product is stored in a storage medium and includes several instructions to cause a computer device (which may be a personal computer, server, or network device, etc.) to execute all or part of the steps of the methods of the various embodiments of this application. The aforementioned storage medium includes various media capable of storing program code, such as USB flash drives, portable hard drives, read-only memory (ROM), random access memory (RAM), magnetic disks, or optical disks.

[0102] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

[0103] Although preferred embodiments have been described in this specification, those skilled in the art, upon learning the basic inventive concept, can make other changes and modifications to these embodiments. Therefore, the appended claims are intended to be interpreted as including both the preferred embodiments and all changes and modifications falling within the scope of this specification. Clearly, those skilled in the art can make various alterations and modifications to this specification without departing from its spirit and scope. Thus, if such modifications and modifications fall within the scope of the claims and their equivalents, this specification also intends to include such modifications and modifications.

Claims

1. A method for controlling the opening degree of an air intake grille, characterized in that, Applied to a vehicle, the vehicle including an air conditioning system, the air conditioning system including a compressor, the method includes: Obtain the operating mode of the compressor and the driving speed of the vehicle; If the working mode is a preset working mode and the driving speed is greater than or equal to a first preset speed, then the air intake grille is adjusted to the maximum opening, and the power of the compressor under the maximum opening of the air intake grille is obtained. The preset working mode includes a cooling mode or a heating mode. The opening of the air intake grille is gradually reduced in a first preset step size. The power of the compressor is obtained after each adjustment of the opening size until the target power of the compressor obtained after the current adjustment of the opening size is greater than or equal to the reference power obtained after any previous adjustment of the opening size. The opening size of the air intake grille at the previous time is taken as the target opening size of the air intake grille. The reference power is the sum of the power after any previous adjustment of the opening size of the air intake grille and the preset floating power. Control the air intake grille to operate at the target opening degree; When an increase in the power of the compressor is detected, the intake grille at the target opening is adjusted by increasing the opening step by a second preset step. The power of the compressor is obtained after each adjustment of the opening of the intake grille, until the target power of the compressor obtained after the current adjustment of the opening of the intake grille is less than the reference power, which is represented by the sum of the power of the compressor at the maximum opening and the preset floating power. The opening of the intake grille after the current adjustment is taken as the updated opening of the intake grille. The air intake grille is controlled to operate according to the updated opening degree.

2. The method according to claim 1, characterized in that, The process of progressively decreasing the opening of the air intake grille in a first preset step size, and obtaining the power of the compressor after each adjustment of the opening, until the target power of the compressor obtained after the current adjustment of the air intake grille is greater than or equal to the reference power obtained after any previous adjustment of the opening, includes: After adjusting the opening of the air intake grille by a first preset step size for the nth time, the nth power of the compressor is obtained, where n is an integer greater than or equal to 2. If the nth power is less than the reference power, the opening of the air intake grille is adjusted by a first preset step size for the (n+1)th time to decrease the opening until the target power of the compressor obtained after adjusting the opening of the air intake grille is greater than or equal to the reference power obtained after any previous adjustment of the opening of the air intake grille.

3. The method according to claim 2, characterized in that, The step of adjusting the opening of the air intake grille by a first preset step size for the nth time, and then obtaining the nth power of the compressor, includes: After adjusting the opening of the air intake grille by a first preset step size for the nth time, the stable nth power of the compressor is obtained. The stable nth power represents the power value where the floating power is less than or equal to the floating threshold within a preset time period.

4. The method according to claim 1, characterized in that, The adjustment of the air intake grille to the target opening degree by gradually increasing it in a second preset opening degree step includes: If the air intake grille reaches its maximum opening during the process of gradually increasing its opening, the air intake grille is controlled to operate at the maximum opening.

5. The method according to claim 1, characterized in that, After obtaining the operating mode of the compressor and the driving speed of the vehicle, the method further includes: If the vehicle's speed is less than the second preset speed, the air intake grille is controlled to the maximum opening. The air intake grille is fully open at the maximum opening. The second preset speed is less than or equal to the first preset speed. The second preset speed is the maximum vehicle speed at which wind resistance does not affect the vehicle's energy consumption when the air intake grille is fully open.

6. The method according to claim 1, characterized in that, After obtaining the operating mode of the compressor and the driving speed of the vehicle, the method further includes: If the compressor is in self-heating mode, the air intake grille is controlled to the minimum opening degree, and the air intake grille is completely closed at the minimum opening degree.

7. An air intake grille opening control device, characterized in that, include: The first acquisition module is used to acquire the compressor's operating mode and the vehicle's speed; The second acquisition module, if the working mode is a preset working mode and the driving speed is greater than or equal to the first preset speed, adjusts the air intake grille to the maximum opening and acquires the power of the compressor under the maximum opening of the air intake grille, wherein the preset working mode includes a cooling mode or a heating mode. The determining module is used to gradually decrease the opening of the air intake grille by a first preset step size, and obtain the power of the compressor after each adjustment of the opening size, until the target power of the compressor obtained after the current adjustment of the opening size is greater than or equal to the reference power obtained after any previous adjustment of the opening size, and take the previous opening size of the air intake grille as the target opening size of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening size of the air intake grille and the preset floating power; The control module is used to control the air intake grille to operate according to the target opening degree; The determining module is further configured to, when an increase in the power of the compressor is detected, adjust the intake grille of the target opening by increasing it step by step with a second preset opening step, and obtain the power of the compressor after each adjustment of the opening of the intake grille, until the target power of the compressor obtained after the current adjustment of the opening of the intake grille is less than the reference power, which is represented as the sum of the power of the compressor at the maximum opening and the preset floating power, and use the opening of the intake grille after the current adjustment as the updated opening of the intake grille; The control module is also used to control the air intake grille to operate according to the updated opening degree.

8. An electronic device, characterized in that, include: At least one processor; And a memory communicatively connected to the at least one processor; wherein the memory stores instructions executable by the at least one processor, the instructions being executed by the at least one processor to enable the at least one processor to perform the method as described in any one of claims 1 to 6.

9. A computer-readable storage medium having a computer program stored thereon, characterized in that, When the computer program is executed by the processor, it implements the method as described in claims 1 to 6.

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