Method, device and equipment for controlling opening degree of air inlet grille and medium

Abstract

The invention provides an opening degree control method and device for an air inlet grille, equipment and a medium, and relates to the field of electric vehicle control. Under the condition that the compressor is in the preset working mode and the running speed of the vehicle is larger than or equal to the first preset speed, the opening degree of the air inlet grille is adjusted to be the maximum, the opening degree of the air inlet grille is continuously reduced, the minimum opening degree is determined, and on the premise that it is guaranteed that the heat dissipation effect of the compressor is not affected through airflow entering the vehicle through the opening degree, the heat dissipation efficiency of the compressor is improved. And the formed wind resistance can be as small as possible, so that the energy consumption of the vehicle machine caused by overcoming the wind resistance is reduced as far as possible on the premise of ensuring the normal work of the air conditioning system, and the control of the air inlet grille with the optimal opening degree is realized.

Description

Technical Field

[0001] The present 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 Art

[0002] For electric vehicles, especially in high-speed driving scenarios, the air conditioning system's request for the opening of the active grille (AGS) has always been a difficult problem. If the air conditioning system requests a larger opening of the AGS, the larger opening of the AGS will affect the vehicle's driving resistance, resulting in increased driving energy consumption at high speeds; if the air conditioning system requests a smaller opening of the AGS, the smaller opening of the AGS may cause insufficient cooling of the air conditioning system, resulting in increased energy consumption of the air conditioning system. Therefore, it is difficult to determine the optimal opening of the grille. Summary of the invention

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

[0004] To achieve the above-mentioned purpose, the first aspect of the present application discloses a method for controlling the opening of an air intake grille, which is applied to a vehicle, wherein the vehicle includes an air conditioning system, and the air conditioning system includes a compressor. The method includes:

[0005] Acquiring the working 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, adjusting the air intake grille to a maximum opening, and obtaining the power of the compressor when the air intake grille is at the maximum opening, wherein the preset working mode includes a cooling mode or a heating mode;

[0007] The opening of the air intake grille is gradually reduced and adjusted with a first preset step length, and the power of the compressor is obtained after each adjustment of the opening, until the target power of the compressor obtained after the current adjustment of the opening is greater than or equal to the reference power obtained after any previous adjustment of the opening, and the previous opening of the air intake grille is used as the target opening of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening of the air intake grille and the preset floating power;

[0008] The air intake grille is controlled to operate according to the target opening.

[0009] Optionally, the step of gradually decreasing the opening of the air intake grille with 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, comprises:

[0010] After the opening of the air intake grille is adjusted to decrease by an nth time with a first preset step length, an 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 to decrease for the n+1th time with a first preset step size, 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 with 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, comprises:

[0013] After the opening of the air intake grille is adjusted to decrease by an nth time with a first preset step length, an 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 to decrease for the n+1th time with a first preset step size, 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 according to the target opening, the method further includes:

[0016] When the power increase of the compressor is detected, the target opening of the air intake grille is gradually increased by a second preset opening step, and the power of the compressor is obtained after each adjustment of the opening of the air intake grille, until the target power of the compressor obtained after the opening of the air intake grille is adjusted this time is less than the reference power represented by the sum of the power of the compressor at the maximum opening and the preset floating power, and the opening of the air intake grille after the adjustment is used as the updated opening of the air 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 according to the target opening, the method further includes:

[0019] When the power increase of the compressor is detected, the target opening of the air intake grille is gradually increased by a second preset opening step, and the power of the compressor is obtained after each adjustment of the opening of the air intake grille, until the target power of the compressor obtained after the opening of the air intake grille is adjusted this time is less than the reference power represented by the sum of the power of the compressor at the maximum opening and the preset floating power, and the opening of the air intake grille after the adjustment is used as the updated opening of the air intake grille;

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

[0021] Optionally, after obtaining the working state of the compressor and the driving speed of the vehicle, the method further includes:

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

[0023] Optionally, after obtaining the working state of the compressor and the driving speed of the vehicle, the method further includes:

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

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

[0026] A first acquisition module, used to acquire the working mode of the compressor and the driving speed of the vehicle;

[0027] a second acquisition module, if the working mode is a preset working mode and the driving speed is greater than or equal to a first preset speed, adjusting the air intake grille to a maximum opening, and acquiring the power of the compressor when the air intake grille is at the maximum opening, wherein the preset working mode includes a cooling mode or a heating mode;

[0028] a determination module, configured to gradually reduce and adjust the opening of the air intake grille with a first preset step size, and obtain 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 opening is greater than or equal to the reference power obtained after any previous adjustment of the opening, and use the previous opening of the air intake grille as the target opening of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening of the air intake grille and the preset floating power;

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

[0030] In a third aspect of the present application, an electronic device is provided, including:

[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, and the instructions are executed by the at least one processor so that the at least one processor can execute any one of the methods disclosed in the first aspect.

[0032] In a fourth aspect of the present application, an embodiment provides a computer-readable storage medium having a computer program stored thereon, and when the computer program is executed by a processor, the method described in the first aspect is implemented.

[0033] In summary, according to the technical solution disclosed in the present application, in order to determine the air intake grille with the optimal opening, the present application provides a method for controlling the opening of the air intake grille. When the compressor is in a preset working mode and the vehicle's driving speed is greater than or equal to a first preset speed, the air intake grille is adjusted to the maximum opening. 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 heat dissipation effect of the compressor is not affected, and the wind resistance formed can be made as small as possible. Under the premise of ensuring the normal operation of the air-conditioning system, the energy consumption of the vehicle computer due to overcoming the wind resistance is minimized, thereby achieving control of the air intake grille with the optimal opening.

[0034] The above description is only an overview of the technical solution of the present application. In order to more clearly understand the technical means of the present application, it can be implemented in accordance with the contents of the specification. In order to make the above and other purposes, features and advantages of the present application more obvious and easy to understand, the specific implementation methods of the present application are listed below. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0036] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, for ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0037] Figure 1 The schematic diagram of the opening control method of the air intake grille provided in the embodiment of the present application is shown in FIG. Figure 1 ;

[0038] Figure 2 The schematic diagram of the opening control method of the air intake grille provided in the embodiment of the present application is shown in FIG. Figure 2 ;

[0039] Figure 3 The schematic diagram of the opening control method of the air intake grille provided in the embodiment of the present application is shown in FIG. Figure 3 ;

[0040] Figure 4 A structural diagram of an opening control device for an air intake grille provided in an embodiment of the present application is shown. DETAILED DESCRIPTION

[0041] In order to better understand the technical solutions provided by the embodiments of this specification, the technical solutions of the embodiments of this specification are described in detail below through 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 article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that there is any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements includes not only those elements, but also includes other elements not explicitly listed, or also includes elements inherent to such process, method, article or equipment. In the absence of more restrictions, the elements limited by the statement "comprise one..." do not exclude the existence of other identical elements in the process, method, article or equipment including the elements. The term "more than two" includes two or more than two situations.

[0043] In electric vehicles, the air flow into the engine compartment can be controlled by adjusting the opening and closing state of the front grille, thereby optimizing aerodynamic performance and improving motor cooling. When the vehicle needs more cooling, the AGS can increase the opening to allow more air to flow in, providing a good heat dissipation environment for the motor. However, when more air flows in, the wind resistance of the vehicle will increase, especially when the vehicle is driving at high speed. The increased wind resistance will increase the load of the vehicle. In summary, meeting the heat dissipation needs of the vehicle and reducing wind resistance are contradictory needs, and it is difficult to determine the optimal opening of the AGS.

[0044] This embodiment provides a method for controlling the opening of an air intake grille. Figure 1 As shown, including:

[0045] Step 101, obtaining the working mode of the compressor and the driving speed of the vehicle.

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

[0047] When the opening of the air intake grille is larger, the air flowing into the vehicle increases. When the vehicle speed is high, the inflowing air will form wind resistance to the vehicle. Therefore, the execution of this embodiment also needs to consider the specific driving speed of the vehicle.

[0048] Step 102, if the working mode is a preset working mode and the driving speed is greater than or equal to a first preset speed, the air intake grille is adjusted to a maximum opening, and the power of the compressor when the air intake grille is at the maximum opening is obtained, wherein the preset working mode includes a cooling mode or a heating mode.

[0049] The working mode of the compressor corresponds to the working mode of the air conditioning system. In this embodiment, the preset working mode of the compressor can also be used as the working mode of the air conditioning system. The working mode of the air conditioning system includes a cooling mode or a heating mode. In the cooling mode, the air conditioning system is used to reduce the temperature in the cockpit. In the cooling mode, the air conditioning system is used to increase the temperature in the cockpit.

[0050] When the air conditioning system is used for cooling, the compressor is in cooling mode, and the compressor is used to compress low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas; when the air conditioning system is used for heating, the compressor is in heating mode, and the compressor is used to compress low-temperature and low-pressure refrigerant gas into high-temperature and high-pressure gas. Regardless of whether the compressor is in cooling mode or heating mode, the compressor consumes more energy and is prone to heat. A heated compressor is prone to generate more power and consume more electric energy from the vehicle. At this time, it is necessary to enhance the heat dissipation capacity of the compressor. After alleviating the heating of the compressor, the power generated by the compressor will be reduced, and energy consumption will be reduced.

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

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

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

[0054] When the vehicle is low, the airflow entering the vehicle through the air intake grille will not produce a large wind resistance. Therefore, when the vehicle speed is low and the compressor needs to dissipate heat, the air intake grille can be directly opened completely to achieve heat dissipation for the compressor with the best heat dissipation effect.

[0055] Step 103, the opening of the air intake grille is gradually reduced by a first preset step size, and the power of the compressor is obtained after each adjustment of the opening, until the target power of the compressor obtained after the current adjustment of the opening is greater than or equal to the reference power obtained after any previous adjustment of the opening, and the previous opening of the air intake grille is used as the target opening of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening of the air intake grille and the preset floating power.

[0056] When the opening is at its maximum, the most air can enter the vehicle, which has the strongest cooling effect on the compressor, and the motor can avoid consuming electricity due to excessive temperature. At the same time, when the airflow is at its maximum, the wind resistance is also the greatest, and the motor needs to consume the most electricity to resist the maximum wind resistance.

[0057] If possible, in order to achieve the cooling of the compressor, it is not necessary to fully open the air intake grille so that the airflow entering the vehicle is maximized. Therefore, in this embodiment, the opening of the air intake grille is gradually reduced to reduce the airflow entering the vehicle. In each process of reducing the opening, the power of the compressor is obtained. In this process, the change in the power of the compressor is mainly caused by the weakening of the heat dissipation effect. In each adjustment of the opening, the power of the compressor is compared with the reference power to determine that the power of the compressor cannot be greater than or equal to the reference power in each adjustment of the opening. The reference power is equal to the sum of the power after any previous adjustment of the opening of the air intake grille and the preset floating power. For example, when the opening of the air intake grille is adjusted for the second time, the sum of the compressor power or the preset floating power corresponding to the maximum opening of the air intake grille, and the sum of the compressor power and the preset floating power corresponding to the first adjustment of the opening of the air intake grille are used as the reference power. The purpose of designing the reference power is mainly to prevent the compressor power from changing significantly when the opening of the air intake grille is continuously adjusted compared with the compressor power when the opening of the air intake grille was previously adjusted. When the power of the compressor is greater than or equal to the reference power, it can be considered that the heat dissipation effect is significantly weaker under the intake grille opening adjusted this time, which has a greater impact on the power of the compressor. The intake grille opening adjusted last time should be used as the target opening.

[0058] In the process of gradually reducing the opening of the air intake grille, the specific process may be:

[0059] After the opening of the air intake grille is adjusted to decrease by an nth time with a first preset step length, an 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 to decrease for the n+1th time with a first preset step size, 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 opening adjustment in the multiple adjustments of the opening of the air intake grille. During the nth adjustment, the power of the compressor is obtained as the nth power. When the nth power is less than the reference power, it can be considered that the opening during the nth adjustment does not have a significant impact on the heat dissipation of the compressor, and the n+1th opening adjustment can be continued until the adjusted opening of the air intake grille has a significant impact on the heat dissipation of the compressor.

[0062] In some embodiments, after the opening of the air intake grille is adjusted to decrease for the nth time with a first preset step size, the stable nth power of the compressor is obtained, and the stable nth power indicates that the floating power is less than or equal to the floating threshold power value within a preset time length.

[0063] Each time the opening is reduced, the compressor power obtained is the stable compressor power. The stable compressor power indicates the power value in which the floating power is less than or equal to the floating threshold value within a preset time. When the opening is reduced for the nth time, the stable compressor power is indicated as the stable nth power. When the stable power data is obtained, the reliability of the power data can be guaranteed.

[0064] This embodiment is as follows Figure 2 As shown, when the compressor is not turned on or in the self-heating mode, the air intake grille can be directly controlled to be the minimum opening. When the vehicle speed is less than the second preset speed, the air intake grille can be directly controlled to be the maximum opening. When the vehicle speed exceeds the first preset speed and the compressor is in the preset working mode, the AGS is controlled to be the maximum opening, and the stable compressor power at this time is recorded as P0. In this embodiment, the first preset step is 10%, that is, the opening is reduced by 10% each time, and the preset floating power is 30W. In the first step of performing the opening reduction adjustment, after controlling the AGS opening to be reduced by 10%, the stable compressor power at this time is obtained as P1. If P1<P0+30W, it can be determined that the first AGS opening reduction has little effect on the compressor power, and the AGS opening can continue to be reduced. If P1≥P0+30W, it can be determined that the second AGS opening reduction has a greater impact on the compressor power, and the AGS opening cannot be further reduced, and the AGS is directly controlled to be the maximum opening. When P1<P0+30W, the mth opening reduction step is finally determined by executing the opening reduction adjustment steps multiple times. 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-1th time is taken as the target opening. The m-1th opening is the minimum opening that does not affect the heat dissipation of the compressor. At the same time, the target opening can minimize the airflow entering the vehicle and reduce the wind resistance of the vehicle as much as possible.

[0065] Step 104, controlling the air intake grille to operate according to the target opening.

[0066] After the target opening is determined, 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 can also minimize the wind resistance of the vehicle.

[0067] This embodiment can adjust the air intake grille to the maximum opening when the compressor is in a preset working mode and the vehicle's driving 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 heat dissipation effect of the compressor is not affected, and the wind resistance formed can be as small as possible. Under the premise of ensuring the normal operation of the air-conditioning system, the energy consumption of the vehicle computer due to overcoming the wind resistance is minimized, thereby achieving control of the air intake grille with the optimal opening.

[0068] In some embodiments, when it is detected that the power of the compressor increases, the target opening of the air intake grille is adjusted successively with a second preset opening step, and the power of the compressor is obtained after each adjustment of the opening of the air intake grille, until the target power of the compressor obtained after the opening of the air intake grille is adjusted this time is less than a reference power represented by the sum of the power of the compressor at the maximum opening and the preset floating power, and the opening of the air intake grille after the adjustment is used as the updated opening of the air intake grille;

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

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

[0071] As the power of the compressor increases, the opening of the air 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. At the same time, in this embodiment, the compressor power obtained after each increase in the opening is compared with the compressor power when the air intake grille is fully opened. When the difference between the two is large, it can be considered that the current opening does not meet the heat dissipation requirements of the compressor, and it is necessary to further increase the opening of the air intake grille until the compressor power obtained after a certain increase in the opening is compared with the compressor power when the air intake grille is fully opened. When the difference between the two is small, the increased opening can be used as the updated opening, and the operation of the air intake grille is performed to meet the heat dissipation requirements of the compressor.

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

[0073] For example, Figure 3 As shown, when the power increase of the compressor is detected, the target opening is detected as Wm, and it is detected whether the increased power of the compressor can be stabilized within one minute. If it is not stable, the air intake grille is directly controlled to the maximum opening. If it can be stabilized, the opening is increased. In this embodiment, the second preset step size is 10%, that is, the opening increases by 10% each time, and the preset floating power is 30W. In the first step of executing the opening increase adjustment, after controlling the AGS opening to rise by 10%, the opening is adjusted to Ws1, and the power of the compressor that is stable 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 can meet the heat dissipation requirements of the compressor. If Ps1≥P0+30W, it can be determined that the opening cannot meet the heat dissipation requirements of the compressor. The opening of the air intake grille needs to be further increased. By executing the opening increase adjustment step multiple times, the rth opening increase step is finally determined. In this opening increase step, the increased opening is Wsr, and the stable compressor power is Psr, Psr<P0+30W. The opening Wsr is used as the updated opening to control the operation of the air intake grille. At the same time, when the opening reaches the maximum opening during the continuous execution of the opening increase step, the maximum opening is directly used as the updated opening to control the air intake grille to operate at the maximum opening.

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

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

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

[0077] A determination module 43 is used to gradually reduce the opening of the air intake grille with a first preset step size, and obtain 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 opening is greater than or equal to the reference power obtained after any previous adjustment of the opening, and the previous opening of the air intake grille is used as the target opening of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening 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.

[0079] In some embodiments, the determination module 43 is configured to obtain an nth power of the compressor after reducing the opening of the air intake grille by a first preset step size for an nth time, 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 to decrease for the n+1th time with a first preset step size, 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 the opening of the air intake grille is reduced for the nth time with a first preset step size, the stable nth power of the compressor is obtained, and the stable nth power represents a power value in which the floating power is less than or equal to the floating threshold within a preset time length.

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

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

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

[0085] In some embodiments, the determination module 43 is used to: if the air intake grille reaches a maximum opening during the process of gradually increasing the air intake grille, control the air intake grille to operate according to the maximum opening.

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

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

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

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

[0090] It should be noted that in the above embodiments, the description of each embodiment has its own emphasis, and for parts that are not described in detail in a certain embodiment, reference can be made to the relevant descriptions of other embodiments.

[0091] Those skilled in the art will appreciate that the embodiments of the present application may be provided as methods, systems, or computer program products. Therefore, the present application may adopt the form of a complete hardware embodiment, a complete software embodiment, or an embodiment in combination with software and hardware. Moreover, the present application may adopt the form of a computer program product implemented in one or more computer-readable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) that contain computer-readable program code.

[0092] The present application is described with reference to the flowcharts and / or block diagrams of the methods, devices (systems), and computer program products according to the embodiments of the present application. It should be understood that each process and / or box in the flowchart and / or block diagram, as well as the combination of the processes and / or boxes in the flowchart and / or block diagram, can be implemented by computer program instructions. These computer program instructions can be provided to a processor of a general-purpose computer, a special-purpose computer, an embedded computer, or other programmable data processing device to generate a machine, so that the instructions executed by the processor of the computer or other programmable data processing device generate instructions for implementing the processes in the flowchart and / or block diagram. Figure 1 A process or multiple processes and / or boxes Figure 1 A device that provides the functions specified in a block or multiple blocks.

[0093] These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to operate in a specific manner, so that the instructions stored in the computer-readable memory produce an article of manufacture comprising an instruction device, which implements the process Figure 1 A process or multiple processes and / or boxes Figure 1A function specified in one or more boxes.

[0094] These computer program instructions can also be loaded onto a computer or other programmable data processing device so that a series of operating steps are executed on the computer or other programmable device to produce a computer-implemented process, thereby providing instructions for implementing the process. Figure 1 A process or multiple processes and / or boxes Figure 1 The steps for the functions specified in one or more boxes.

[0095] An embodiment of the present application also provides a computer program product, which includes computer software instructions. When the computer software instructions are executed on a processing device, the processing device executes the process of the method for controlling the opening of the air intake grille.

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

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

[0098] In the several embodiments provided in the present application, it should be understood that the disclosed devices, apparatuses and methods can be implemented in other ways. For example, the device embodiments described above are only schematic, for example, the division of units is only a logical function division, and there may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed. Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be an indirect coupling or communication connection through some interfaces, devices or units, which can be electrical, mechanical or other forms.

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

[0100] In addition, each functional unit in each embodiment of the present application may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit. The above-mentioned integrated unit may be implemented in the form of hardware or in the form of software functional units.

[0101] If the integrated unit is implemented in the form of 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 the present application is essentially 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, and the computer software product is stored in a storage medium, including a number of instructions to enable a computer device (which can be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the various embodiments of the present application. The aforementioned storage medium includes: U disk, mobile hard disk, read-only memory (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), disk or optical disk and other media that can store program codes.

[0102] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

[0103] Although preferred embodiments of the present specification have been described, additional changes and modifications may be made to these embodiments by those skilled in the art once the basic inventive concepts are known. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present specification. Obviously, those skilled in the art may make various changes and modifications to the present specification without departing from the spirit and scope of the present specification. Thus, if these modifications and variations of the present specification fall within the scope of the claims of the present specification and their equivalents, the present specification is also intended to include these modifications and variations.

Claims

1. A method for controlling the opening of an air intake grille, characterized in that: Applied to a vehicle, the vehicle includes an air conditioning system, the air conditioning system includes a compressor, the method includes: Acquiring the working 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, adjusting the air intake grille to a maximum opening, and obtaining the power of the compressor when the air intake grille is at the maximum opening, wherein the preset working mode includes a cooling mode or a heating mode; The opening of the air intake grille is gradually reduced and adjusted with a first preset step length, and the power of the compressor is obtained after each adjustment of the opening, until the target power of the compressor obtained after the current adjustment of the opening is greater than or equal to the reference power obtained after any previous adjustment of the opening, and the previous opening of the air intake grille is used as the target opening of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening of the air intake grille and the preset floating power; The air intake grille is controlled to operate according to the target opening.

2. The method according to claim 1, characterized in that The step of gradually decreasing the opening of the air intake grille with 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, comprises: After the opening of the air intake grille is adjusted to decrease by an nth time with a first preset step length, an 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 to decrease for the n+1th time with a first preset step size, 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 After the opening of the air intake grille is adjusted to decrease by a first preset step length for an nth time, an nth power of the compressor is obtained, comprising: After the opening of the air intake grille is adjusted to decrease for the nth time with a first preset step length, a stable nth power of the compressor is obtained, where the stable nth power represents a power value in which the floating power is less than or equal to a floating threshold within a preset time length.

4. The method according to claim 1, characterized in that: After controlling the air intake grille to operate according to the target opening, the method further includes: When the power increase of the compressor is detected, the target opening of the air intake grille is gradually increased by a second preset opening step, and the power of the compressor is obtained after each adjustment of the opening of the air intake grille, until the target power of the compressor obtained after the opening of the air intake grille is adjusted this time is less than the reference power represented by the sum of the power of the compressor at the maximum opening and the preset floating power, and the opening of the air intake grille after the adjustment is used as the updated opening of the air intake grille; The air intake grille is controlled to operate according to the updated opening degree.

5. The method according to claim 4, characterized in that The step of gradually increasing the target opening of the air intake grille with a second preset opening step size comprises: If the air intake grille reaches a maximum opening during the process of gradually increasing the opening of the air intake grille, the air intake grille is controlled to operate according to the maximum opening.

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

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

8. An opening control device for an air intake grille, characterized in that: include: A first acquisition module, used for acquiring the working mode of the compressor and the driving speed of the vehicle; a second acquisition module, if the working mode is a preset working mode and the driving speed is greater than or equal to a first preset speed, adjusting the air intake grille to a maximum opening, and acquiring the power of the compressor when the air intake grille is at the maximum opening, wherein the preset working mode includes a cooling mode or a heating mode; a determination module, configured to gradually reduce 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, until the target power of the compressor obtained after the current adjustment of the opening is greater than or equal to the reference power obtained after any previous adjustment of the opening, and use the previous opening of the air intake grille as the target opening of the air intake grille, wherein the reference power is the sum of the power after any previous adjustment of the opening of the air intake grille and the preset floating power; A control module is used to control the air intake grille to operate according to the target opening.

9. 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, and the instructions are executed by the at least one processor so that the at least one processor can execute the method according to any one of claims 1 to 7.

10. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the computer program is executed by a processor, the method according to claims 1 to 7 is implemented.

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