Automobile air conditioning system control method and device, electronic equipment and readable storage medium

Abstract

The invention discloses an automobile air conditioning system control method and device and electronic equipment. The method comprises the steps that the current vehicle window fogging risk level is calculated based on vehicle collection data, and the current in-vehicle CO2 concentration, the outside-vehicle air pollution level, the environment temperature, the current vehicle window cleaning working state, the current vehicle driving state and the current in-vehicle air PM2.5 concentration are obtained; and the control type of the current air conditioning system is determined based on the data, and the opening degree of a circulating air door is adjusted based on the control type to achieve internal circulation control, external circulation control or internal and external circulation comprehensive control. According to the method, on the premise that it is guaranteed that the in-vehicle air quality meets the health standard, the use proportion of internal circulation is further increased, and then the energy consumption of the air conditioning system is remarkably reduced.

Description

Technical Field

[0001] The present application relates to the field of vehicle control technology, and more specifically, to a method, device, electronic device, and readable storage medium for controlling an automobile air-conditioning system. Background Art

[0002] At present, with the rapid development of the automobile industry, the performance of the vehicle air-conditioning system is crucial to the driving experience. Currently, the air intake adjustment control of most vehicle air-conditioning systems relies on manual operation by the user. When the user selects the internal circulation mode for a long time, although it can effectively reduce the energy consumption of the air-conditioning system, the air in the car cannot circulate with the outside world, and the oxygen content will continue to decrease, which can easily cause the driver and passengers to experience dizziness, fatigue and other discomfort symptoms, which is harmful to their health. Although turning on the external circulation mode for a long time can ensure sufficient oxygen in the car, it will greatly increase the energy consumption of the air-conditioning system and introduce pollutants into the car in a polluted environment. The existing method cannot automatically adjust the air intake of the vehicle air-conditioning system, and it is difficult to take into account the healthy air environment and energy-saving control needs in the car. Summary of the Invention

[0003] In view of the above problems, the present application provides a method, device, electronic device and readable storage medium for controlling an automobile air-conditioning system, which can solve the problem of being unable to automatically adjust the air intake of the vehicle air-conditioning system and making it difficult to balance the healthy air environment in the vehicle with energy-saving control needs.

[0004] In a first aspect, the present application provides a method for controlling an automobile air conditioning system, comprising: When the current air conditioning system setting state is the automatic control state, the vehicle collection data is obtained; Calculate the current window fogging risk level based on the vehicle collected data, and obtain the current CO2 concentration inside the vehicle, the air pollution level outside the vehicle, the ambient temperature, the current window cleaning working status, the current vehicle driving status, and the current PM2.5 concentration in the air inside the vehicle based on the vehicle collected data; Determining a current air conditioning system control type based on the current window fogging risk level, the current in-vehicle CO2 concentration, the outdoor air pollution level, the ambient temperature, the current window cleaning working state, the current vehicle driving state, and the current in-vehicle air PM2.5 concentration; The air door opening degree of the automobile air conditioning system is adjusted and controlled according to the current air conditioning system control type.

[0005] In the above technical solution, the method can intelligently and dynamically adjust the circulation mode (external circulation, internal circulation or integrated control) and the air damper opening of the automobile air-conditioning system to adapt to the complex and changeable driving environment, thereby optimizing the air quality in the car, preventing the windows from fogging, reducing energy consumption and improving driving comfort.

[0006] In some embodiments, if the current air conditioning system control type is external circulation control, determining the first damper opening to be 100%, and performing external circulation control on the automobile air conditioning system according to the first damper opening; If the current air conditioning system control type is internal circulation control, determining the second air door opening to be 0%, and performing internal circulation control on the automobile air conditioning system according to the second air door opening; If the current air conditioning system control type is internal and external circulation integrated control, the current circulation damper opening is calculated according to the vehicle collected data, and the automobile air conditioning system is controlled according to the current circulation damper opening.

[0007] In the above technical solution, the corresponding damper opening can be determined according to the current air-conditioning system control type, and the air intake of the vehicle air-conditioning system can be automatically adjusted according to the determined damper opening, so as to take into account the healthy air environment and energy-saving control needs in the vehicle.

[0008] In some embodiments, determining the current air conditioning system control type based on the current window fogging risk level, the current in-vehicle CO2 concentration, the outside air pollution level, the ambient temperature, the current window cleaning working state, the current vehicle driving state, and the current in-vehicle air PM2.5 concentration includes: If the current window fogging risk level is greater than or equal to the preset fogging risk level threshold, Alternatively, if the current CO2 concentration in the vehicle is greater than or equal to the first preset concentration threshold, Alternatively, if the current PM2.5 concentration in the vehicle air is greater than or equal to the preset concentration threshold, Alternatively, if the vehicle air conditioning system is in a refrigeration cycle and the compressor is on, It is determined that the current air-conditioning system control type is external circulation control.

[0009] In the above technical solution, the method can force switching to external circulation mode to introduce fresh air when the risk of fogging, CO2 or PM2.5 exceeding the standard, or cooling demand is detected, avoiding the problem of fogging of windows or deterioration of air quality caused by internal circulation, thereby achieving pre-emptive protection of window clarity and air quality in the car.

[0010] In some embodiments, the method further comprises: If the air pollution level outside the vehicle is greater than or equal to the preset air pollution level, and the ambient temperature is greater than or equal to the preset ambient temperature threshold, Alternatively, if the current window cleaning operation state is on, and the duration after this on-time does not exceed the preset time threshold, and the ambient temperature is greater than or equal to the preset ambient temperature threshold, Alternatively, if the current vehicle driving state is a reverse driving state, It is determined that the current air-conditioning system control type is internal circulation control.

[0011] In the above technical solution, the method can automatically switch to the internal circulation mode under specific pollution or operating scenarios, thereby isolating harmful pollutants, high temperatures and exhaust gases outside the vehicle, thereby improving the health and safety of the vehicle's interior environment.

[0012] In some embodiments, the method further comprises: If the current window fogging risk level is not greater than the preset fogging risk level threshold, determining whether the current CO2 concentration in the vehicle is greater than a first preset concentration threshold; If the current CO2 concentration in the vehicle is not greater than the first preset concentration threshold and the current CO2 concentration in the vehicle is not greater than the second preset concentration threshold, determining whether the air pollution level outside the vehicle is greater than a preset air pollution level and whether the ambient temperature is greater than a preset ambient temperature threshold; wherein the first preset concentration threshold is greater than the second preset concentration threshold; If the outside air pollution level is not greater than a preset air pollution level, or the ambient temperature is not greater than a preset ambient temperature threshold, determining whether the current window cleaning operation state is in an on state; If the current window washing operation state is not in the on state, or the ambient temperature is not greater than the preset ambient temperature threshold, determining whether the current vehicle driving state is a reverse driving state; If the current vehicle driving state is not a reverse driving state, determining whether the current PM2.5 concentration in the vehicle interior air is greater than a preset concentration threshold; If the current PM2.5 concentration in the vehicle interior air is not greater than the preset concentration threshold, determining whether the vehicle air conditioning system is in a refrigeration cycle and the compressor is in an on state; If the vehicle air-conditioning system is not in a refrigeration cycle or the compressor is not in an on state, it is determined that the current air-conditioning system control type is internal and external circulation integrated control.

[0013] In the above technical solution, this method can achieve precise control of the automobile air-conditioning system through comprehensive judgment, thereby dynamically balancing the internal and external circulation while meeting basic conditions (such as anti-fogging and CO2 / PM2.5 standards), thereby achieving the effect of optimizing energy consumption and comfort.

[0014] In some embodiments, calculating the current circulating air door opening according to the vehicle collected data includes: Acquire the vehicle interior temperature, the relative humidity of the air in the vehicle interior, the evaporator surface temperature, the ambient temperature, and the number of passengers in the vehicle according to the vehicle collected data; determining a current dew point temperature of the air in the vehicle interior according to the vehicle interior temperature and the vehicle interior air relative humidity; Calculating a temperature difference between the dew point temperature and the evaporator surface temperature; determining a fourth correction coefficient according to the temperature difference; Calculating a circulation damper opening compensation value according to the fourth correction coefficient and the temperature difference; determining a minimum control opening of a circulating air door according to the ambient temperature and the number of passengers in the vehicle; Get the circulation damper opening of the previous control cycle; The current circulating air door opening is calculated according to the circulating air door minimum control opening, the circulating air door opening compensation value and the circulating air door opening of the previous control cycle.

[0015] In the above technical solution, the method can dynamically calculate the circulation damper opening based on real-time environmental parameters and occupant status, and at the same time accurately balance the anti-fogging requirements and energy efficiency through the temperature difference compensation mechanism between the dew point temperature and the evaporator temperature.

[0016] In some embodiments, calculating the current window fogging risk level based on the vehicle collected data includes: Acquire the ambient temperature, the current ambient sunlight intensity, the vehicle speed information and the relative humidity in the vehicle according to the vehicle collected data; Determining a first correction coefficient based on the ambient temperature, determining a second correction coefficient based on the current ambient sunlight intensity, and determining a third correction coefficient based on the vehicle speed information; Calculating relative humidity according to the relative humidity in the vehicle, the first correction coefficient, the second correction coefficient, and the third correction coefficient; A current vehicle window fogging risk level is determined based on the relative humidity and a preset relative humidity threshold.

[0017] In the above technical solution, the method can accurately determine the risk level of window fogging based on multi-dimensional parameters such as ambient temperature, light intensity, vehicle speed and humidity inside the vehicle, combined with multiple correction coefficients, thereby avoiding the hazards caused by window fogging.

[0018] In a second aspect, the present application provides a vehicle air conditioning system control device, comprising: A first acquisition unit is used to acquire vehicle collected data when the current air conditioning system setting state is an automatic control state; a calculation unit, configured to calculate a current window fogging risk level based on the vehicle collected data; The second acquisition unit is used to obtain the current CO2 concentration in the vehicle, the air pollution level outside the vehicle, the ambient temperature, the current window cleaning working status, the current vehicle driving status and the current PM2.5 concentration in the vehicle air based on the vehicle collected data; a determination unit, configured to determine a current air conditioning system control type based on the current window fogging risk level, the current in-vehicle CO2 concentration, the outdoor air pollution level, the ambient temperature, the current window cleaning working state, the current vehicle driving state, and the current in-vehicle air PM2.5 concentration; A control unit is used to adjust the air door opening of the automobile air conditioning system according to the current air conditioning system control type.

[0019] In the above technical solution, the device can forcibly switch to external circulation mode to introduce fresh air when it detects the risk of fogging, CO2 or PM2.5 exceeding the standard, or cooling demand, to avoid the problem of fogging of windows or deterioration of air quality caused by internal circulation, thereby achieving pre-emptive protection of window clarity and air quality in the car.

[0020] In a third aspect, the present application provides an electronic device comprising a memory and a processor, wherein the memory is used to store a computer program, and the processor runs the computer program to enable the electronic device to execute the automobile air-conditioning system control method described in any one of the first aspects.

[0021] In a fourth aspect, the present application provides a readable storage medium, wherein the readable storage medium stores a computer program, and when the computer program is executed by a processor, the automobile air-conditioning system control method described in any one of the first aspects is executed.

[0022] In a fifth aspect, the present application provides a computer program product, which includes a computer program. When the computer program is executed by a processor, it executes the automobile air-conditioning system control method described in any one of the first aspects.

[0023] The beneficial effect of this application is that it can comprehensively calculate a dynamic optimization strategy for the air conditioning intake circulation by combining data collected in real time by a multi-dimensional sensor network (including ambient temperature sensors, in-vehicle temperature and humidity sensors, light sensors, CO2 / PM2.5 concentration sensors, and external air quality sensors) with the vehicle's wiper operating status, occupant occupancy detection, driving conditions, and the preset status of the air conditioning system. This allows this application to further increase the proportion of internal circulation while ensuring that in-vehicle air quality meets health standards, thereby significantly reducing the energy consumption of the air conditioning system. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] To more clearly illustrate the technical solutions of the embodiments of the present application, the following briefly describes the drawings required for use in the embodiments of the present application. The following drawings illustrate only certain embodiments of the present application and should not be construed as limiting the scope. Throughout the drawings, the same reference numerals represent the same content.

[0025] Figure 1 Schematic diagram of a flow chart of a method for controlling an automobile air-conditioning system in some embodiments of the present application; Figure 2 A partial flow chart of a method for controlling an automobile air-conditioning system in some embodiments of the present application; Figure 3 A partial flow chart of a method for controlling an automobile air-conditioning system in some embodiments of the present application; Figure 4 Schematic diagram of a flow chart of a method for controlling an automobile air-conditioning system in some embodiments of the present application; Figure 5 This is a schematic structural diagram of a vehicle air-conditioning system control device in some embodiments of the present application; Figure 6 This is a schematic diagram of the structure of an electronic device in some embodiments of the present application. DETAILED DESCRIPTION

[0026] The following embodiments of the technical solution of the present application will be described in detail with reference to the accompanying drawings. The following embodiments are only used to more clearly illustrate the technical solution of the present application and are therefore only examples and are not intended to limit the scope of protection of the present application.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this application belongs; the terms used herein are only for the purpose of describing specific embodiments and are not intended to limit this application; the terms "including" and "having" and any variations thereof in the specification and claims of this application and the above-mentioned figure descriptions are intended to cover non-exclusive inclusions.

[0028] In the description of the embodiments of this application, technical terms such as "first" and "second" are used solely to distinguish between different objects and should not be understood to indicate or imply relative importance, or to implicitly specify the quantity, specific order, or primary and secondary relationship of the technical features indicated. In the description of the embodiments of this application, "plurality" means two or more (including two), unless otherwise specifically defined.

[0029] References herein to "embodiments" mean that a particular feature, structure, or characteristic described in connection with the embodiments may be included in at least one embodiment of the present application. The appearance of this phrase in various places in the specification does not necessarily refer to the same embodiment, nor does it constitute an independent or alternative embodiment that is mutually exclusive of other embodiments. It is understood, both explicitly and implicitly, by those skilled in the art that the embodiments described herein may be combined with other embodiments.

[0030] In the description of the embodiments of this application, the term "and / or" is simply a description of the association relationship between associated objects, indicating that three relationships can exist. For example, A and / or B can represent the following three situations: A exists alone, A and B exist simultaneously, and B exists alone. In addition, the character " / " in this document generally indicates that the associated objects are in an "or" relationship.

[0031] In mainstream vehicles currently on the market, air intake control in the air conditioning systems is mostly user-operated. However, while prolonged internal recirculation reduces energy consumption, it also reduces oxygen levels in the vehicle interior, potentially endangering the user's health. Conversely, prolonged external recirculation maintains oxygen levels but increases energy consumption and introduces polluted outdoor air into the vehicle, potentially endangering the user's health.

[0032] In response to the above technical problems, an embodiment of the present application provides a method for controlling an automobile air-conditioning system. This method can use the data collected in real time by a multi-dimensional sensor network (including an ambient temperature sensor, an in-vehicle temperature and humidity sensor, a light sensor, a CO2 / PM2.5 concentration sensor, and an outdoor air quality sensor) to combine the working status of the vehicle's wipers, occupant occupancy perception, driving conditions, and the preset status of the air-conditioning system to comprehensively calculate a dynamic optimization strategy for the air-conditioning intake cycle, and thereby control the automobile air-conditioning system accordingly.

[0033] It can be seen that this method can further increase the proportion of internal circulation while ensuring that the air quality in the car meets health standards, thereby achieving a significant reduction in the energy consumption of the air-conditioning system.

[0034] like Figure 1 As shown, some embodiments of the present application provide a method for controlling an automobile air-conditioning system, the method comprising: S101. When the current air-conditioning system setting state is an automatic control state, vehicle collection data is obtained.

[0035] S102. Calculate the current window fogging risk level based on the vehicle collected data, and obtain the current CO2 concentration inside the vehicle, the air pollution level outside the vehicle, the ambient temperature, the current window cleaning working status, the current vehicle driving status, and the current PM2.5 concentration in the air inside the vehicle based on the vehicle collected data.

[0036] S103. Determine the current air conditioning system control type based on the current window fogging risk level, the current CO2 concentration in the vehicle, the air pollution level outside the vehicle, the ambient temperature, the current window cleaning working status, the current vehicle driving status, and the current PM2.5 concentration in the vehicle, and execute any one of steps S104 to S106 accordingly.

[0037] S104: Controlling the air door opening of the automobile air conditioning system according to the current air conditioning system control type.

[0038] In some embodiments, if the current air conditioning system control type is external circulation control, the first damper opening is determined to be 100%, and the automobile air conditioning system is controlled for external circulation based on the first damper opening. If the current air conditioning system control type is internal circulation control, the second damper opening is determined to be 0%, and the automobile air conditioning system is controlled for internal circulation based on the second damper opening. If the current air conditioning system control type is integrated internal and external circulation control, the current circulation damper opening is calculated based on the collected vehicle data, and the automobile air conditioning system is controlled based on the current circulation damper opening. In some embodiments, the automatic control state refers to a state in which the vehicle's air conditioning system automatically adjusts its operating mode (e.g., internal circulation mode, external circulation mode, etc.) without manual intervention. Conversely, the vehicle has a manual control state, and whether internal circulation control or external circulation control is selected can be directly determined based on the manual control state.

[0039] In some embodiments, vehicle-collected data refers to data related to vehicle operation and environment collected in real time through on-board sensors, including but not limited to ambient temperature, temperature and humidity inside the vehicle, light intensity, CO2 concentration, PM2.5 concentration, outdoor air quality, window cleaning status, vehicle driving status, etc.

[0040] In some embodiments, the window fogging risk level is calculated based on parameters such as the vehicle's interior temperature and humidity, and ambient temperature. It serves as a parameter to indicate the degree to which the windows may fog. A high risk level indicates a higher likelihood of fogging, requiring the air conditioning system to take preventative measures (such as recirculating dry air).

[0041] In some embodiments, the CO2 concentration in the vehicle refers to the concentration of carbon dioxide in the air inside the vehicle, wherein a high concentration of CO2 may cause passengers to feel uncomfortable or sleepy.

[0042] In some embodiments, the outdoor air pollution level refers to a classification based on the concentration of pollutants (such as PM2.5, PM10, and NOx) in the outdoor air, used to assess the quality of the outdoor air. A higher pollution level indicates worse outdoor air quality and a greater need for the air conditioning system to prevent the introduction of outside air.

[0043] In some embodiments, CO2 concentration refers to the concentration of carbon dioxide in the air inside the vehicle. High CO2 concentrations can degrade vehicle air quality, impacting passenger comfort and health. Therefore, the vehicle's air conditioning system needs to adjust its circulation mode based on CO2 concentration to maintain fresh air inside the vehicle.

[0044] In some embodiments, the external air pollution level refers to a classification of the vehicle's external air quality, typically based on the concentration of air pollutants (e.g., particulate matter, hazardous gases, etc.). A high pollution level indicates poor external air quality, requiring the air conditioning system to reduce external circulation to prevent pollutants from entering the vehicle.

[0045] In some embodiments, ambient temperature refers to the temperature of the environment outside the vehicle.

[0046] In some embodiments, the window washer operating state refers to the operating state of the vehicle's wipers (on or off) and the duration of their on-state. When the wipers are on, this may indicate the presence of precipitation or foreign matter (such as mud) outside the vehicle, and the air conditioning system may need to adjust its circulation mode to prevent odors or pollutants from entering the vehicle.

[0047] In some embodiments, the vehicle driving state refers to the vehicle's current driving mode, such as forward, reverse, or parked. When the vehicle is reversed, exhaust gas may more easily enter the vehicle, so the air conditioning system needs to adopt an internal circulation mode.

[0048] In some embodiments, the air conditioning system control type includes external circulation control, internal circulation control, and a combination of internal and external circulation control. External circulation mode introduces fresh air from outside the vehicle, while internal circulation mode circulates air inside the vehicle. The combined control mode dynamically adjusts the internal and external circulation ratio based on real-time data.

[0049] In some embodiments, damper opening refers to the degree of opening of the valve (damper) controlling the airflow path in an air conditioning system, typically expressed as a percentage (e.g., 100% is fully open, 0% is fully closed). The damper opening directly affects the circulation mode and air volume of the air conditioning system.

[0050] In some embodiments, the integrated control of internal and external circulation refers to a control method that dynamically adjusts the ratio of internal and external circulation based on vehicle collected data, with the aim of balancing the air quality, energy consumption and comfort in the vehicle.

[0051] In some embodiments, the first damper opening and the second damper opening correspond to damper setpoints for external and internal circulation control, respectively. The damper is fully open (100%) for external circulation and fully closed (0%) for internal circulation. During integrated control, the damper is dynamically adjusted based on real-time data.

[0052] In these embodiments, the method can intelligently and dynamically adjust the circulation mode (external circulation, internal circulation or integrated control) and the air damper opening of the automobile air-conditioning system to adapt to the complex and changeable driving environment, thereby optimizing the air quality in the car, preventing the windows from fogging, reducing energy consumption and improving driving comfort.

[0053] To ensure window clarity and in-car air quality, in some embodiments, the current air conditioning system control type is determined based on the current window fogging risk level, the current in-car CO2 concentration, the outdoor air pollution level, the ambient temperature, the current window cleaning status, the current vehicle driving status, and the current in-car air PM2.5 concentration, including: If the current window fogging risk level is greater than or equal to the preset fogging risk level threshold, Alternatively, if the current CO2 concentration in the vehicle is greater than or equal to the first preset concentration threshold, Alternatively, if the current PM2.5 concentration in the vehicle's air is greater than or equal to the preset concentration threshold, Alternatively, if the vehicle's air conditioning system is in the cooling cycle and the compressor is on, It is determined that the current air-conditioning system control type is external circulation control.

[0054] In these embodiments, the method can force switching to external circulation mode to introduce fresh air when the risk of fogging, CO2 or PM2.5 exceeding the standard, or cooling demand is detected, avoiding the problem of fogging of windows or deterioration of air quality caused by internal circulation, thereby achieving pre-emptive protection of window clarity and air quality in the car.

[0055] To ensure the health and safety of the in-vehicle environment, in some embodiments, the method further includes: If the air pollution level outside the vehicle is greater than or equal to the preset air pollution level, and the ambient temperature is greater than or equal to the preset ambient temperature threshold, Alternatively, if the current window cleaning operation state is on, and the duration after this start does not exceed the preset time threshold, and the ambient temperature is greater than or equal to the preset ambient temperature threshold, Or, if the current vehicle driving state is reverse driving state, It is determined that the current air-conditioning system control type is internal circulation control.

[0056] In some embodiments, when the preset air pollution level is level 6 (corresponding to an air quality index (AQI / API) range > 300), and the preset ambient temperature threshold is 5°C.

[0057] In these embodiments, the method can automatically switch to the internal circulation mode under specific pollution or operating scenarios, thereby isolating harmful pollutants, high temperatures and exhaust gases outside the vehicle, thereby improving the health and safety of the vehicle's interior environment.

[0058] In order to more accurately determine whether the current air-conditioning system control type is internal and external circulation integrated control, in some embodiments, the method further includes: If the current window fogging risk level is not greater than the preset fogging risk level threshold, determining whether the current CO2 concentration in the vehicle is greater than a first preset concentration threshold; If the current CO2 concentration in the vehicle is not greater than a first preset concentration threshold, and the current CO2 concentration in the vehicle is not greater than a second preset concentration threshold, determining whether the air pollution level outside the vehicle is greater than a preset air pollution level, and whether the ambient temperature is greater than a preset ambient temperature threshold; wherein the first preset concentration threshold is greater than the second preset concentration threshold; If the air pollution level outside the vehicle is not greater than the preset air pollution level, or the ambient temperature is not greater than the preset ambient temperature threshold, then determining whether the current window cleaning working state is on; If the current window washing working state is not in the on state, or the ambient temperature is not greater than the preset ambient temperature threshold, then determining whether the current vehicle driving state is the reverse driving state; If the current vehicle driving state is not reverse driving state, determine whether the current PM2.5 concentration in the air inside the vehicle is greater than the preset concentration threshold; If the current PM2.5 concentration in the vehicle's air is not greater than the preset concentration threshold, determine whether the vehicle's air conditioning system is in a refrigeration cycle and the compressor is on; If the vehicle air-conditioning system is not in a refrigeration cycle or the compressor is not in an on state, it is determined that the current air-conditioning system control type is internal and external circulation integrated control.

[0059] In some embodiments, the first preset concentration threshold may be 1000 ppm, and the second preset concentration threshold may be 500 ppm.

[0060] In these embodiments, the method can achieve precise control of the automobile air-conditioning system through comprehensive judgment, thereby dynamically balancing the internal and external circulation while meeting basic conditions (such as anti-fogging and CO2 / PM2.5 standards), thereby achieving the effect of optimizing energy consumption and comfort.

[0061] In order to accurately calculate the current circulation damper opening, in some embodiments, such as Figure 2As shown, the current circulation damper opening is calculated based on the vehicle collected data, including: S201, obtaining the vehicle interior temperature, the relative humidity of the air in the vehicle interior, the evaporator surface temperature, the ambient temperature, and the number of passengers in the vehicle based on the vehicle collected data; S202, determining the current dew point temperature of the air in the vehicle interior according to the vehicle interior temperature and the relative humidity of the air in the vehicle interior; S203, calculating the temperature difference between the dew point temperature and the evaporator surface temperature; S204, determining a fourth correction coefficient according to the temperature difference; S205, calculating a circulation damper opening compensation value based on the fourth correction coefficient and the temperature difference; S206: Determine the minimum control opening of the circulation damper according to the ambient temperature and the number of passengers in the vehicle; S207, obtaining the circulation damper opening of the previous control cycle; S208. Calculate the current circulating air door opening according to the minimum controlled circulating air door opening, the circulating air door opening compensation value, and the circulating air door opening of the previous control cycle.

[0062] In some embodiments, the dew point temperature (T) of the air in the vehicle interior is obtained by looking up the table based on the collected temperature and relative humidity of the air in the vehicle interior. Dew ).

[0063]

[0064] In some embodiments, the calculated dew point temperature and the collected evaporator surface temperature (T Evap ) to obtain the temperature difference T Dlt =T Dew -T Evap .

[0065] In some embodiments, the calculated temperature difference T Dlt Check the table below to find the fourth correction factor K.

[0066]

[0067] In some embodiments, the circulating damper opening compensation value Swi is calculated Dlt = T Dlt ×K.

[0068] In some embodiments, the minimum control opening of the circulation damper (Swi Opn ).

[0069]

[0070] In some embodiments, Swi Opn ≤(Swi=circulation damper opening of the previous control cycle+Swi Dlt )≤100%.

[0071] In these embodiments, the method can dynamically calculate the circulation damper opening based on real-time environmental parameters and occupant status, and at the same time accurately balance the anti-fogging requirements and energy efficiency through a temperature difference compensation mechanism between the dew point temperature and the evaporator temperature.

[0072] In order to accurately determine the current window fogging risk level, in some embodiments, such as Figure 3 As shown, the current window fogging risk level is calculated based on the vehicle collected data, including: S301, obtaining ambient temperature, current ambient sunlight intensity, vehicle speed information, and relative humidity in the vehicle based on vehicle collected data; S302, determining a first correction coefficient based on the ambient temperature, determining a second correction coefficient based on the current ambient sunlight intensity, and determining a third correction coefficient based on the vehicle speed information; S303, calculating the relative humidity based on the relative humidity in the vehicle, the first correction coefficient, the second correction coefficient, and the third correction coefficient; S304: Determine the current window fogging risk level based on the relative humidity and a preset relative humidity threshold.

[0073] In some embodiments, the first correction coefficient K can be determined by looking up the following table according to the ambient temperature: AmbTe ;

[0074] In some embodiments, the second correction coefficient K can be determined by looking up the following table based on the current ambient sunlight intensity: Sloar ;

[0075] In some embodiments, the third correction coefficient K is obtained by looking up the following table based on the vehicle speed information on the bus: Spd ;

[0076] In some embodiments, the collected relative humidity (Rh Pre ) to calculate the corrected relative humidity (Rh), Rh = Rh Pre ×K AmbTe ×K Sloar ×K Spd .

[0077] In some embodiments, when Rh ≥ 97%, fogging risk = 3; When Rh ≥ 90%, fogging risk = 2; When Rh ≥ 85%, fogging risk = 1; When Rh≤70%, fogging risk = 0; When the fogging risk is ≥2, control the circulation damper to circulate externally; If the above is not true, proceed to the next step.

[0078] In these embodiments, the method can accurately determine the risk level of window fogging based on multi-dimensional parameters such as ambient temperature, light intensity, vehicle speed and humidity inside the vehicle, combined with multiple correction coefficients, thereby avoiding the hazards caused by window fogging.

[0079] In order to make the purpose, technical solutions and advantages of this application clearer, the technical solutions in this application will be described clearly and completely below. In some embodiments, Figure 4 As shown, the automobile air conditioning system control method includes: S401. When the current air-conditioning system setting state is the automatic control state, obtain vehicle collection data.

[0080] S402. Calculate the current window fogging risk level based on the vehicle collected data, and obtain the current CO2 concentration inside the vehicle, the air pollution level outside the vehicle, the ambient temperature, the current window cleaning working status, the current vehicle driving status, and the current PM2.5 concentration in the air inside the vehicle based on the vehicle collected data.

[0081] S403: Determine whether the current window fogging risk level is greater than or equal to a preset fogging risk level threshold. If so, execute step S412; if not, execute step S404.

[0082] S404: Determine whether the current CO2 concentration in the vehicle is greater than or equal to a first preset concentration threshold. If so, execute step S412; if not, execute step S405.

[0083] S405 , determining whether the air pollution level outside the vehicle is greater than or equal to a preset air pollution level, and whether the ambient temperature is greater than or equal to a preset ambient temperature threshold; if so, executing step S411 ; if not, executing step S406 .

[0084] S406. Determine whether the current window cleaning operation state is on, whether the duration after this start-up does not exceed the preset time threshold, and whether the ambient temperature is greater than or equal to the preset ambient temperature threshold. If so, execute step S411; if not, execute step S407.

[0085] S407 , determining whether the current vehicle driving state is a reverse driving state, if so, executing step S411 ; if not, executing step S408 .

[0086] S408. Determine whether the current PM2.5 concentration in the vehicle's air is greater than or equal to a preset concentration threshold. If so, execute step S412; if not, execute step S409.

[0087] S409: Determine whether the vehicle air-conditioning system is in a refrigeration cycle and the compressor is in an on state. If so, execute step S412; if not, execute step S410.

[0088] S410: Determine that the current air conditioning system control type is internal and external circulation integrated control, calculate the current circulation damper opening based on the vehicle collected data, and control the automobile air conditioning system based on the current circulation damper opening.

[0089] S411: Determine that the current air-conditioning system control type is internal circulation control, determine that the second air door opening is 0%, and perform internal circulation control on the automobile air-conditioning system according to the second air door opening.

[0090] S412: Determine that the current air-conditioning system control type is external circulation control, determine that the first air door opening is 100%, and perform external circulation control on the automobile air-conditioning system according to the first air door opening.

[0091] In some embodiments, the method further comprises: When the current CO2 concentration in the vehicle is less than the first preset concentration threshold, it is determined whether the current CO2 concentration in the vehicle is not greater than the second preset concentration threshold. If so, step S405 is executed.

[0092] In some embodiments, the first preset concentration threshold is greater than the second preset concentration threshold.

[0093] In some embodiments, the preset time threshold is 10 seconds, and the preset ambient temperature threshold is 5°C.

[0094] In some embodiments, the current PM2.5 concentration in the vehicle air is greater than or equal to a preset concentration threshold of 60 μg / m³.

[0095] In some embodiments, if the result of step S409 is yes, the final calculated circulation damper opening (Swi) = 100% (external circulation); otherwise, according to Figure 2 The process shown calculates Swi.

[0096] Figure 5 The schematic diagram of the structure of a vehicle air conditioning system control device is shown. It should be understood that the device is Figure 1 The method executed in the embodiment corresponds to the embodiment, and the steps involved in the aforementioned method can be executed. The specific functions and effects of the device can be found in the description above. To avoid repetition, detailed description is appropriately omitted here.

[0097] The automobile air conditioning system control device includes: The first acquisition unit 510 is used to acquire vehicle collected data when the current air conditioning system setting state is the automatic control state; A calculation unit 520 is used to calculate the current window fogging risk level based on the vehicle collected data; The second acquisition unit 530 is used to obtain the current CO2 concentration in the vehicle, the air pollution level outside the vehicle, the ambient temperature, the current window cleaning working status, the current vehicle driving status and the current PM2.5 concentration in the vehicle air based on the vehicle collected data; a determination unit 540 for determining a current air conditioning system control type based on a current window fogging risk level, a current CO2 concentration inside the vehicle, an external air pollution level, an ambient temperature, a current window cleaning status, a current vehicle driving status, and a current PM2.5 concentration inside the vehicle; The control unit 550 is used to adjust the air door opening of the automobile air conditioning system according to the current air conditioning system control type.

[0098] In some embodiments, the control unit 550 is specifically configured to determine that the first damper opening is 100% when the current air conditioning system control type is external circulation control; and perform external circulation control on the automobile air conditioning system according to the first damper opening; The control unit 550 is specifically configured to determine that the second air door opening is 0% when the current air conditioning system control type is internal circulation control; and perform internal circulation control on the automobile air conditioning system according to the second air door opening; The control unit 550 is specifically used to calculate the current circulation damper opening according to the vehicle collected data when the current air conditioning system control type is internal and external circulation integrated control; and control the automobile air conditioning system according to the current circulation damper opening.

[0099] In some embodiments, the determining unit 540 is specifically configured to determine if the current window fogging risk level is greater than or equal to a preset fogging risk level threshold, Alternatively, if the current CO2 concentration in the vehicle is greater than or equal to the first preset concentration threshold, Alternatively, if the current PM2.5 concentration in the vehicle's air is greater than or equal to the preset concentration threshold, Alternatively, if the vehicle's air conditioning system is in the cooling cycle and the compressor is on, It is determined that the current air-conditioning system control type is external circulation control.

[0100] In some embodiments, the determining unit 540 is further configured to determine if the air pollution level outside the vehicle is greater than or equal to a preset air pollution level and the ambient temperature is greater than or equal to a preset ambient temperature threshold. Alternatively, if the current window cleaning operation state is on, and the duration after this start does not exceed the preset time threshold, and the ambient temperature is greater than or equal to the preset ambient temperature threshold, Or, if the current vehicle driving state is reverse driving state, It is determined that the current air-conditioning system control type is internal circulation control.

[0101] In some embodiments, the determining unit 540 is further configured to determine whether the current CO2 concentration in the vehicle is greater than a first preset concentration threshold if the current window fogging risk level is not greater than a preset fogging risk level threshold; If the current CO2 concentration in the vehicle is not greater than a first preset concentration threshold, and the current CO2 concentration in the vehicle is not greater than a second preset concentration threshold, determining whether the air pollution level outside the vehicle is greater than a preset air pollution level, and whether the ambient temperature is greater than a preset ambient temperature threshold; wherein the first preset concentration threshold is greater than the second preset concentration threshold; If the air pollution level outside the vehicle is not greater than the preset air pollution level, or the ambient temperature is not greater than the preset ambient temperature threshold, then determining whether the current window cleaning working state is on; If the current window washing working state is not in the on state, or the ambient temperature is not greater than the preset ambient temperature threshold, then determining whether the current vehicle driving state is the reverse driving state; If the current vehicle driving state is not reverse driving state, determine whether the current PM2.5 concentration in the air inside the vehicle is greater than the preset concentration threshold; If the current PM2.5 concentration in the vehicle's air is not greater than the preset concentration threshold, determine whether the vehicle's air conditioning system is in a refrigeration cycle and the compressor is on; If the vehicle air-conditioning system is not in a refrigeration cycle or the compressor is not in an on state, it is determined that the current air-conditioning system control type is internal and external circulation integrated control.

[0102] In some embodiments, the third determining unit 590 is specifically configured to obtain the vehicle interior temperature, the vehicle interior air relative humidity, the evaporator surface temperature, the ambient temperature, and the number of passengers in the vehicle based on the vehicle collected data; Determine the current dew point temperature of the air in the vehicle interior according to the vehicle interior temperature and the relative humidity of the air in the vehicle interior; Calculate the temperature difference between the dew point temperature and the evaporator surface temperature; determining a fourth correction coefficient according to the temperature difference; Calculating a circulation damper opening compensation value according to a fourth correction coefficient and a temperature difference; Determine the minimum control opening of the circulating air door according to the ambient temperature and the number of passengers in the vehicle; Get the circulation damper opening of the previous control cycle; The current circulation damper opening is calculated based on the minimum control opening of the circulation damper, the circulation damper opening compensation value and the circulation damper opening of the previous control cycle.

[0103] In some embodiments, the calculation unit 520 is specifically configured to obtain the ambient temperature, the current ambient sunlight intensity, the vehicle speed information, and the relative humidity inside the vehicle based on the vehicle collected data; Determining a first correction coefficient based on ambient temperature, determining a second correction coefficient based on current ambient sunlight intensity, and determining a third correction coefficient based on vehicle speed information; Calculating relative humidity based on the relative humidity in the vehicle, the first correction coefficient, the second correction coefficient, and the third correction coefficient; Determine the current window fogging risk level based on the relative humidity and the preset relative humidity threshold.

[0104] like Figure 6 As shown, the present application provides an electronic device 700, which includes a processor 701 and a memory 702. The processor 701 and the memory 702 are interconnected and communicate with each other through a communication bus 703 and / or other forms of connection mechanisms (not shown). The memory 702 stores a computer program executable by the processor 701. When the computing device is running, the processor 701 executes the computer program to perform the method in any of the aforementioned optional implementations.

[0105] The present application provides a computer-readable storage medium, wherein a computer program is stored in the computer-readable storage medium. When the computer program is executed by a processor, the method in any of the aforementioned optional implementations is executed.

[0106] Among them, the computer-readable storage medium can be implemented by any type of volatile or non-volatile storage device or a combination thereof, such as static random access memory (SRAM), electrically erasable programmable read-only memory (EEPROM), erasable programmable read-only memory (EPROM), programmable read-only memory (PROM), read-only memory (ROM), magnetic storage, flash memory, magnetic disk or optical disk.

[0107] The present application provides a computer program product, which includes computer programmability. When the computer program is executed by a processor, the method in any of the aforementioned optional implementations is executed.

[0108] Finally, it should be noted that 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 or all of the technical features therein. These modifications or replacements do not deviate the essence of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application, and they should all be included in the scope of the claims and specification of the present application. In particular, as long as there is no conflict, the various technical features mentioned in the various embodiments can be combined in any way. The present application is not limited to the specific embodiments disclosed herein, but includes all technical solutions that fall within the scope of the claims.

Claims

1. A method for controlling an automobile air conditioning system, characterized in that: include: When the current air conditioning system setting state is the automatic control state, the vehicle collection data is obtained; Calculate the current window fogging risk level based on the vehicle collected data, and obtain the current CO2 concentration inside the vehicle, the air pollution level outside the vehicle, the ambient temperature, the current window cleaning working status, the current vehicle driving status, and the current PM2.5 concentration in the air inside the vehicle based on the vehicle collected data; Determining a current air conditioning system control type based on the current window fogging risk level, the current in-vehicle CO2 concentration, the outdoor air pollution level, the ambient temperature, the current window cleaning working state, the current vehicle driving state, and the current in-vehicle air PM2.5 concentration; The air door opening degree of the automobile air conditioning system is adjusted and controlled according to the current air conditioning system control type.

2. The automobile air conditioning system control method according to claim 1, characterized in that: The method further comprises: If the current air conditioning system control type is external circulation control, determining the first air door opening to be 100%, and performing external circulation control on the automobile air conditioning system according to the first air door opening; If the current air conditioning system control type is internal circulation control, determining the second air door opening to be 0%, and performing internal circulation control on the automobile air conditioning system according to the second air door opening; If the current air conditioning system control type is internal and external circulation integrated control, the current circulation damper opening is calculated according to the vehicle collected data, and the automobile air conditioning system is controlled according to the current circulation damper opening.

3. The automobile air conditioning system control method according to claim 1, characterized in that: The determining of the current air conditioning system control type according to the current window fogging risk level, the current in-vehicle CO2 concentration, the outside air pollution level, the ambient temperature, the current window cleaning working state, the current vehicle driving state, and the current in-vehicle air PM2.5 concentration includes: If the current window fogging risk level is greater than or equal to the preset fogging risk level threshold, Alternatively, if the current CO2 concentration in the vehicle is greater than or equal to the first preset concentration threshold, Alternatively, if the current PM2.5 concentration in the vehicle air is greater than or equal to the preset concentration threshold, Alternatively, if the vehicle air conditioning system is in a refrigeration cycle and the compressor is on, It is determined that the current air-conditioning system control type is external circulation control.

4. The automobile air conditioning system control method according to claim 3, characterized in that: The method further comprises: If the air pollution level outside the vehicle is greater than or equal to the preset air pollution level, and the ambient temperature is greater than or equal to the preset ambient temperature threshold, Alternatively, if the current window cleaning operation state is on, and the duration after this on-time does not exceed the preset time threshold, and the ambient temperature is greater than or equal to the preset ambient temperature threshold, Alternatively, if the current vehicle driving state is a reverse driving state, It is determined that the current air-conditioning system control type is internal circulation control.

5. The automobile air conditioning system control method according to claim 3, characterized in that: The method further comprises: If the current window fogging risk level is not greater than the preset fogging risk level threshold, determining whether the current CO2 concentration in the vehicle is greater than a first preset concentration threshold; If the current CO2 concentration in the vehicle is not greater than the first preset concentration threshold and the current CO2 concentration in the vehicle is not greater than the second preset concentration threshold, determining whether the air pollution level outside the vehicle is greater than a preset air pollution level and whether the ambient temperature is greater than a preset ambient temperature threshold; wherein the first preset concentration threshold is greater than the second preset concentration threshold; If the outside air pollution level is not greater than a preset air pollution level, or the ambient temperature is not greater than a preset ambient temperature threshold, determining whether the current window cleaning operation state is in an on state; If the current window washing operation state is not in the on state, or the ambient temperature is not greater than the preset ambient temperature threshold, determining whether the current vehicle driving state is a reverse driving state; If the current vehicle driving state is not a reverse driving state, determining whether the current PM2.5 concentration in the vehicle interior air is greater than a preset concentration threshold; If the current PM2.5 concentration in the vehicle interior air is not greater than the preset concentration threshold, determining whether the vehicle air conditioning system is in a refrigeration cycle and the compressor is in an on state; If the vehicle air-conditioning system is not in a refrigeration cycle or the compressor is not in an on state, it is determined that the current air-conditioning system control type is internal and external circulation integrated control.

6. The automobile air conditioning system control method according to claim 1, characterized in that: Calculating the current circulating air door opening according to the vehicle collected data includes: Acquire the vehicle interior temperature, the relative humidity of the air in the vehicle interior, the evaporator surface temperature, the ambient temperature, and the number of passengers in the vehicle according to the vehicle collected data; determining a current dew point temperature of the air in the vehicle interior according to the vehicle interior temperature and the vehicle interior air relative humidity; Calculating a temperature difference between the dew point temperature and the evaporator surface temperature; determining a fourth correction coefficient according to the temperature difference; Calculating a circulation damper opening compensation value according to the fourth correction coefficient and the temperature difference; determining a minimum control opening of a circulating air door according to the ambient temperature and the number of passengers in the vehicle; Get the circulation damper opening of the previous control cycle; The current circulating air door opening is calculated according to the circulating air door minimum control opening, the circulating air door opening compensation value and the circulating air door opening of the previous control cycle.

7. The automobile air conditioning system control method according to claim 1, characterized in that: Calculating the current window fogging risk level based on the vehicle collected data, including: Acquire the ambient temperature, the current ambient sunlight intensity, the vehicle speed information and the relative humidity in the vehicle according to the vehicle collected data; Determining a first correction coefficient based on the ambient temperature, determining a second correction coefficient based on the current ambient sunlight intensity, and determining a third correction coefficient based on the vehicle speed information; Calculating relative humidity according to the relative humidity in the vehicle, the first correction coefficient, the second correction coefficient, and the third correction coefficient; A current vehicle window fogging risk level is determined based on the relative humidity and a preset relative humidity threshold.

8. A vehicle air conditioning system control device, characterized in that: include: A first acquisition unit is used to acquire vehicle collected data when the current air conditioning system setting state is an automatic control state; a calculation unit, configured to calculate a current window fogging risk level based on the vehicle collected data; The second acquisition unit is used to obtain the current CO2 concentration in the vehicle, the air pollution level outside the vehicle, the ambient temperature, the current window cleaning working status, the current vehicle driving status and the current PM2.5 concentration in the vehicle air based on the vehicle collected data; a determination unit, configured to determine a current air conditioning system control type based on the current window fogging risk level, the current in-vehicle CO2 concentration, the outdoor air pollution level, the ambient temperature, the current window cleaning working state, the current vehicle driving state, and the current in-vehicle air PM2.5 concentration; A control unit is used to adjust the air door opening of the automobile air conditioning system according to the current air conditioning system control type.

9. An electronic device, characterized in that: The electronic device includes a memory and a processor, the memory is used to store a computer program, and the processor runs the computer program to enable the electronic device to execute the automobile air-conditioning system control method according to any one of claims 1 to 7.

10. A readable storage medium, characterized in that: The readable storage medium stores a computer program, and when the computer program is executed by a processor, the automobile air-conditioning system control method according to any one of claims 1 to 7 is executed.

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