Vehicle ventilation control method, vehicle, and storage medium

Abstract

The application relates to the technical field of intelligent cabins, and discloses a vehicle ventilation control method, a vehicle and a storage medium. The vehicle ventilation control method acquires vehicle state information at regular time intervals, and judges whether the vehicle state information meets preset oxygen measurement conditions; when the vehicle state information meets the preset oxygen measurement conditions, an oxygen measurement index is acquired according to a vehicle circulation mode, the oxygen measurement index is input into a preset oxygen amount analysis model corresponding to the vehicle circulation mode, and dynamic oxygen amount data is obtained; when the dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold value, a ventilation operation is performed according to the dynamic oxygen amount data. The application can automatically trigger dynamic oxygen amount data detection of an in-vehicle environment, can timely find ventilation needs of a driver and a passenger based on the dynamic oxygen amount data, avoids unnecessary air conditioning ventilation operation and waste of vehicle energy consumption, realizes intelligent ventilation based on an environment and needs, ensures the rationality of the ventilation operation, and improves a driving and riding experience.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of intelligent cockpit, and particularly relates to a vehicle ventilation control method, a vehicle and a storage medium. BACKGROUND

[0002] In order to meet the requirement of users for vehicle quietness, many manufacturers choose to improve the air tightness of vehicle doors and windows, which in turn affects the air quality in the vehicle cabin. With the increase of driving time, the oxygen content in the vehicle will gradually decrease, especially in the case of full occupancy, the driver will feel difficult to breathe, fatigue and weakness, and even cause traffic accidents. In the prior art, the vehicle cannot automatically ventilate in time according to the actual demand and the environment in the vehicle to adjust the air quality. Even if the driver can ventilate intermittently through the air conditioner at certain intervals, he still needs to manually control the ventilation time according to experience, which cannot avoid the decrease of oxygen content and affects the comfort of driving. Frequent use of air conditioner ventilation will increase the energy consumption of the vehicle, which cannot meet the economic use demand. SUMMARY

[0003] Therefore, it is necessary to provide a vehicle ventilation control method, a vehicle and a storage medium to solve the problem that the existing vehicle cannot automatically ventilate in time according to the actual demand and the environment in the vehicle to adjust the air quality.

[0004] A vehicle ventilation control method comprises the following steps.

[0005] Obtaining vehicle state information at a certain time and determining whether the vehicle state information meets a preset oxygen measurement condition;

[0006] When the vehicle state information meets the preset oxygen measurement condition, obtaining an oxygen measurement index according to a vehicle circulation mode, inputting the oxygen measurement index into a preset oxygen content analysis model corresponding to the vehicle circulation mode, and obtaining dynamic oxygen content data;

[0007] When the dynamic oxygen content data is less than or equal to a preset lower limit oxygen content threshold, performing a ventilation operation according to the dynamic oxygen content data.

[0008] A vehicle comprises a controller configured to implement the vehicle ventilation control method.

[0009] A computer readable storage medium stores computer readable instructions, and the computer readable instructions are executed by one or more processors to make the one or more processors execute the vehicle ventilation control method.

[0010] In the vehicle ventilation control method, vehicle, and storage medium, vehicle state information is acquired at a regular time, when it is determined that the vehicle state information meets a preset oxygen detection condition, an oxygen detection index is acquired according to a vehicle circulation mode, and the oxygen detection index is input into a preset oxygen amount analysis model corresponding to the vehicle circulation mode to obtain dynamic oxygen amount data. The present application automatically triggers oxygen content detection of the vehicle environment based on the preset oxygen detection condition, and uses a corresponding preset oxygen amount analysis model to determine the dynamic oxygen amount data for different vehicle circulation modes, thereby ensuring the accuracy of the actual oxygen content. Meanwhile, when the dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold, the ventilation demand of the driver and passenger can be found in time, and the vehicle can be intelligently ventilated according to the dynamic oxygen amount data, thereby avoiding unnecessary air conditioning ventilation operation and wasting the energy consumption of the vehicle. The ventilation operation in the present application is matched with the vehicle circulation mode and the dynamic oxygen amount data, which not only realizes intelligent ventilation, but also ensures the rationality of the ventilation operation, improves the comfort experience, and avoids the influence of air quality on driving safety. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the description of the embodiments of the present application. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0012] Figure 1 is a flowchart of a vehicle ventilation control method in an embodiment of the present application;

[0013] Figure 2 is a structural schematic diagram of a vehicle ventilation control device in an embodiment of the present application. DETAILED DESCRIPTION

[0014] The technical solutions of the embodiments of the present application will be described clearly and completely in the following with reference to the drawings of the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0015] In an embodiment, as shown in Figure 1 , a vehicle ventilation control method is provided, comprising the following steps S10-S30:

[0016] S10, acquiring vehicle state information at a regular time, and determining whether the vehicle state information meets a preset oxygen detection condition.

[0017] Understandably, in the use scenario of the vehicle, it is determined whether the vehicle state information meets the preset oxygen detection condition in a timing manner. The timing manner refers to an operation triggered according to a preset time interval. The preset time interval can be set to a default value (such as 1 minute) or adjusted as needed (such as 10 minutes). When the preset time interval is 1 minute, it means that the vehicle state information is determined whether to meet the preset oxygen detection condition every 1 minute. The vehicle state information refers to the state information of components or sensors in the vehicle that affect the oxygen content detection, such as the opening and closing states of the doors and windows. The preset oxygen detection condition is a trigger condition preset for detecting the oxygen content in the vehicle, such as all doors and windows being in a closed state.

[0018] S20, when the vehicle state information meets the preset oxygen detection condition, obtaining an oxygen detection index according to a vehicle circulation mode, inputting the oxygen detection index into a preset oxygen amount analysis model corresponding to the vehicle circulation mode, and obtaining dynamic oxygen amount data.

[0019] Understandably, when the vehicle state information meets the preset oxygen detection condition, it means that the oxygen content in the vehicle can be detected. The vehicle circulation mode includes an internal circulation mode and an external circulation mode. In the internal circulation mode, the vehicle closes the channel for air circulation between the inside and outside of the vehicle, so that a relatively closed environment is formed in the vehicle, and air circulation is limited to the space inside the vehicle. In the external circulation mode, the vehicle opens the channel for air circulation between the inside and outside of the vehicle, allowing external air to enter the vehicle and mix and exchange with the air inside the vehicle. Therefore, the parameters affecting the oxygen content in the vehicle are different in the internal circulation mode and the external circulation mode, and different oxygen detection indexes need to be determined according to different vehicle circulation modes in the detection process. The oxygen detection index is a sensor parameter for characterizing the oxygen content.

[0020] After determining the oxygen detection index, the oxygen detection index is input into the preset oxygen amount analysis model corresponding to the vehicle circulation mode, and dynamic oxygen amount data can be obtained. The dynamic oxygen amount data refers to real-time oxygen content data in the vehicle. The preset oxygen amount analysis model is a mathematical model preset for real-time calculation of oxygen content according to parameters. Similarly, the preset oxygen amount analysis models in the internal circulation mode and the external circulation mode are different. For example, compared with the internal circulation mode, the oxygen content in the vehicle in the external circulation mode is also affected by the inflow and outflow of external air, and therefore the preset oxygen amount analysis model in the external circulation mode also considers the calculation of the air intake amount.

[0021] S30, when the dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold, performing a ventilation operation according to the dynamic oxygen amount data.

[0022] Preferably, the preset lower oxygen content threshold is a preset minimum oxygen content threshold for determining whether the vehicle needs to be ventilated. When the dynamic oxygen content data is less than or equal to the preset lower oxygen content threshold, it indicates that the vehicle needs to be ventilated. At this time, the air conditioner or the window is controlled to perform the ventilation operation according to the dynamic oxygen content data until the dynamic oxygen content data reaches the preset upper oxygen content threshold or the window is opened, and it is confirmed that the ventilation operation is completed. The preset upper oxygen content threshold is a preset maximum oxygen content threshold for determining whether the vehicle needs to stop ventilation. The preset lower oxygen content threshold and the preset upper oxygen content threshold can be set as needed, and the preset lower oxygen content threshold is less than the preset upper oxygen content threshold, for example, the preset lower oxygen content threshold is set to 19%, and the preset upper oxygen content threshold is set to 21%.

[0023] In the embodiment, the vehicle state information is acquired at a fixed time, and when it is determined that the vehicle state information meets the preset oxygen measurement condition, the oxygen measurement index is acquired according to the vehicle cycle mode, and the oxygen measurement index is input into the preset oxygen content analysis model corresponding to the vehicle cycle mode to obtain the dynamic oxygen content data. In the embodiment, the oxygen content detection of the vehicle environment is automatically triggered based on the preset oxygen measurement condition, the dynamic oxygen content data is determined by using the corresponding preset oxygen content analysis model for different vehicle cycle modes, and the accuracy of the actual oxygen content is ensured. At the same time, in the embodiment, when the dynamic oxygen content data is less than or equal to the preset lower oxygen content threshold, the ventilation demand of the driver and the passenger can be found in time, and the vehicle can be ventilated intelligently according to the dynamic oxygen content data, so as to avoid unnecessary air conditioning ventilation operation and waste of vehicle energy consumption. In the embodiment, the ventilation operation is matched with the vehicle cycle mode and the dynamic oxygen content data, so that intelligent ventilation can be realized, the rationality of the ventilation operation is ensured, the comfortable driving experience is improved, and the driving safety is avoided due to the air quality.

[0024] In an embodiment, the vehicle state information includes door and window switch states, air conditioner working states, and sensor working states. In step S10, that is, the determination of whether the vehicle state information meets the preset oxygen measurement condition includes:

[0025] S101, if all the door and window switch states corresponding to the vehicle doors and windows are in the closed state, and the air conditioner working state and the sensor working state are in the non-abnormal state, it is determined that the vehicle state information meets the preset oxygen measurement condition.

[0026] Understandably, in a specific embodiment, the vehicle state information includes door and window switch states, air conditioner working states and sensor working states. The door and window switch states include the opening and closing states of each door and window, the air conditioner working states include the fault states of the air conditioner blower and the inside-out circulation motor, and the sensor working states include the fault states of the door sensor, the window sensor, the seat sensor and the vehicle speed sensor. The non-abnormal state refers to the fault-free state. When all the doors and windows are in the closed state, the air conditioner blower and the inside-out circulation motor are in the fault-free state, and the door sensor, the window sensor, the seat sensor and the vehicle speed sensor are in the fault-free state, the vehicle state information is determined to satisfy the preset oxygen measurement condition.

[0027] The embodiment determines that the preset oxygen measurement condition is satisfied when the vehicle state information satisfies multiple conditions at the same time, ensures that the vehicle fully satisfies all conditions for detecting the oxygen content in the vehicle, and helps to improve the accuracy of the subsequent detection results.

[0028] In an embodiment, in step S10, that is, the determination of whether the vehicle state information satisfies the preset oxygen measurement condition, further includes:

[0029] S102, when the vehicle state information satisfies at least one target abnormal condition, it is determined that the vehicle state information does not satisfy the preset oxygen measurement condition, and an oxygen measurement failure notification information is generated; the target abnormal condition includes:

[0030] The door and window switch state corresponding to any vehicle door and window is in the open state;

[0031] The air conditioner working state is in an abnormal state;

[0032] The sensor working state is in an abnormal state.

[0033] Understandably, the target abnormal condition refers to a condition for determining that the oxygen content in the vehicle cannot be detected. In a specific embodiment, the vehicle state information includes door and window switch states, air conditioning operating states, and sensor operating states. The abnormal state refers to a fault state in which a component is faulty or cannot respond. When the door and window switch state corresponding to any vehicle door and window is in an open state, a large amount of external air can enter the vehicle, and the oxygen content will not be too low, and there is no need to perform a ventilation operation. When the air conditioning operating state is in an abnormal state, especially when the air conditioning blower and the internal and external circulation motor are in an abnormal state, it indicates that the vehicle-mounted air conditioner cannot adjust the air volume position and switch the internal / external circulation mode, i.e., cannot perform the subsequent ventilation operation. When the sensor operating state is in an abnormal state, especially when the vehicle door sensor, the vehicle window sensor, the seat sensor, and the vehicle speed sensor are in an abnormal state, it indicates that the vehicle door switch state, the vehicle window switch state, the number of people in the vehicle, and the real-time vehicle speed cannot be accurately identified, and thus the oxygen content in the vehicle cannot be accurately detected. Therefore, when the vehicle state information satisfies at least one target abnormal condition, it is directly determined that the vehicle state information does not satisfy the preset oxygen detection condition, and oxygen detection failure notification information is generated. The oxygen detection failure notification information is information for prompting the driver and passenger that the oxygen content cannot be detected, and the notification methods include but are not limited to text display prompts, fault light lighting prompts, and voice playing prompts.

[0034] The embodiment determines that the preset oxygen detection condition is not satisfied when the vehicle state information satisfies at least one target abnormal condition, which reflects the rationality of the preset oxygen detection condition, avoids errors in subsequent detection results, and affects the ventilation effect.

[0035] In an embodiment, before the oxygen detection index is input into the preset oxygen amount analysis model corresponding to the vehicle circulation mode in step S20, the method further includes:

[0036] S201, when there is a to-be-selected oxygen detection index consistent with the oxygen detection index, searching for a calibration model parameter corresponding to the oxygen detection index from the preset index parameter data table, and determining a preset oxygen amount analysis model corresponding to the vehicle circulation mode according to the calibration model parameter.

[0037] Understandably, before inputting the oxygen measurement index into the preset oxygen amount analysis model corresponding to the vehicle circulation mode, it is necessary to determine the preset oxygen amount analysis model. The preset oxygen amount analysis model includes model parameters, which are constants or coefficient factors in the preset oxygen amount analysis model corresponding to the actual oxygen measurement index. Different oxygen measurement indexes correspond to different model parameters. The preset index parameter data table is a data table generated in advance and storing all candidate oxygen measurement indexes and calibration model parameters associated with each candidate oxygen measurement index. The candidate oxygen measurement index refers to an oxygen measurement index designed according to different combinations of the number of people in the vehicle, the air volume gear and the vehicle speed, for example, the oxygen measurement index is 1 person in the vehicle, the air volume gear is 1 gear and the vehicle speed is 30 km / h in the external circulation mode. The calibration model parameter refers to the model parameter calibrated by the real vehicle test data. The preset oxygen amount analysis model refers to the oxygen amount analysis model with the calibration model parameter.

[0038] In a specific embodiment, after obtaining the oxygen measurement index according to the vehicle circulation mode, it is determined from the preset index parameter data table whether there is a candidate oxygen measurement index consistent with the oxygen measurement index. When there is a candidate oxygen measurement index consistent with the oxygen measurement index, the calibration model parameter associated with the candidate oxygen measurement index is found from the preset index parameter data table. The calibration model parameter is determined as the calibration model parameter corresponding to the oxygen measurement index, and the preset oxygen amount analysis model corresponding to the vehicle circulation mode is determined according to the found calibration model parameter. When there is no candidate oxygen measurement index consistent with the oxygen measurement index, a measurement failure notification information is generated.

[0039] The embodiment quickly and accurately configures the preset oxygen amount analysis model corresponding to the vehicle circulation mode by finding the calibration model parameter corresponding to the oxygen measurement index, which can ensure the applicability of the preset oxygen amount analysis model, so as to accurately detect the oxygen content in the vehicle by using the preset oxygen amount analysis model.

[0040] In an embodiment, before step S201, i.e., before finding the calibration model parameter corresponding to the oxygen measurement index from the preset index parameter data table, the method further includes:

[0041] S2011, obtaining a candidate oxygen measurement index, inputting the candidate oxygen measurement index into a preset oxygen amount analysis model with initial model parameters to obtain initial dynamic oxygen amount data corresponding to the candidate oxygen measurement index;

[0042] S2012, collecting real vehicle dynamic oxygen amount data corresponding to the same candidate oxygen measurement index;

[0043] S2013, adjusting the initial model parameters according to the initial dynamic oxygen amount data and the real vehicle dynamic oxygen amount data to obtain calibration model parameters corresponding to the candidate oxygen measurement index;

[0044] S2014, associating the to-be-selected oxygen measurement index with the calibration model parameters to generate an index parameter data group corresponding to the to-be-selected oxygen measurement index;

[0045] S2015. Generate a preset indicator parameter data table according to all indicator parameter data groups corresponding to the oxygen measurement indicators to be selected.

[0046] Understandably, in order to find the calibration model parameters corresponding to the oxygen measurement index from the preset index parameter data table, it is necessary to first establish the preset index parameter data table. In a specific embodiment, the model parameters in the preset oxygen analysis model include an oxygen compensation coefficient and an intake flow rate coefficient. The oxygen compensation coefficient is used to compensate for the percentage error when calculating the oxygen content in the vehicle in the internal circulation mode and the external circulation mode, and is represented by K0. The oxygen compensation coefficients corresponding to different numbers of people and vehicle speeds are different. The intake flow rate coefficient is used to characterize the flow rate coefficient of the outside air entering the vehicle in the external circulation mode, and is represented by U gc In other words, the corresponding intake air velocity coefficients are different under different air volume gears and vehicle speeds. At the same time, in order to eliminate the influence of time, the initial model parameters in the preset oxygen analysis model can be adjusted and verified by using the actual vehicle test under the same time, completing the calibration process of the model parameters. That is, for the same selected oxygen measurement index, on the one hand, using the preset oxygen analysis model (including the initial K0 and U gc , if the initial K0 is 0.1, the initial U gc 1) Calculate initial dynamic oxygen data; 2) Use an oxygen sensor to directly measure actual vehicle dynamic oxygen data. Initial dynamic oxygen data refers to the theoretical oxygen content calculated using a preset oxygen analysis model with initial model parameters. Actual vehicle dynamic oxygen data refers to the actual oxygen content measured by the oxygen sensor.

[0047] Taking a seven-seater car as an example, when using oxygen sensors to detect the dynamic oxygen content data of the actual vehicle, an oxygen sensor is set at each seat. The detection cycle of each oxygen sensor is 200ms, and the total cycle is 2s, that is, 10 times of sampling and outputting a result. The oxygen content readings of the 7 oxygen sensors in the order from the main driver's seat to the rear right seat are a1, a2, a3, a4, a5, a6 and a7, and the weighted average is performed according to the number and position of different people to obtain the dynamic oxygen content data of the actual vehicle O avr To simplify the calculation, the oxygen content readings in the same row have the same weighting coefficient, so we can first average the rows and then perform the weighted calculation. In this case, the front row average O1 = (a1 + a2) / 2, the middle row average O2 = (a3 + a4 + a5) / 3, and the rear row average O3 = (a6 + a7) / 2. avr The conversion logic is shown in Table 1, where n is 1 or 2, and m is 1, 2, or 3.

[0048] Table 1 Conversion logic of real vehicle dynamic oxygen content data

[0049]

[0050] After obtaining the initial dynamic oxygen content data and the real vehicle dynamic oxygen content data, the initial K0 and U gc are adjusted according to the error value between the initial dynamic oxygen content data and the real vehicle dynamic oxygen content data, so that the error is less than a preset error threshold (such as 5%), to obtain the adjusted K0 and U gc . The adjusted K0 and U gc are the calibration model parameters corresponding to the to-be-selected oxygen measurement index. Further, the to-be-selected oxygen measurement index and the calibration model parameters are associated in units of the to-be-selected oxygen measurement index, to generate an index parameter data set corresponding to the to-be-selected oxygen measurement index, and a preset index parameter data table is generated according to all index parameter data sets corresponding to the to-be-selected oxygen measurement index. The adjusted K0 (oxygen content compensation coefficient calibration value) is as shown in Table 2 below, wherein the unit of K0 is %, and the range of K0 is 0-0.5%.

[0051] Table 2 Preset index parameter data table of oxygen content compensation coefficient calibration value

[0052]

[0053] The adjusted U gc (inlet flow rate coefficient calibration value) is as shown in Table 3 below, wherein the unit of U gc is m / s, and the range of U gc is 0-20 m / s.

[0054] Table 3 Preset index parameter data table of inlet flow rate coefficient calibration value

[0055]

[0056] According to the real vehicle test data between the theoretical value and the real value of the oxygen content in the vehicle, the embodiment realizes the calibration of the model parameters in the preset oxygen content analysis model, generates a preset index parameter data table that can be reused and looked up, and ensures the universality of the preset index parameter data table.

[0057] In an embodiment, the vehicle cycle mode includes an external cycle mode, the oxygen measurement index includes an external cycle index, and the preset oxygen content analysis model includes a preset external cycle model; the dynamic oxygen content data includes first dynamic oxygen content data; in step S20, that is, the oxygen measurement index is input into the preset oxygen content analysis model corresponding to the vehicle cycle mode to obtain the dynamic oxygen content data, including:

[0058] S202, when the vehicle circulation mode is the external circulation mode, determining the seat sensing parameter, the air volume gear, the vehicle speed and a first external circulation time as external circulation indexes; the first external circulation time is a duration of the external circulation mode;

[0059] S203, inputting the external circulation indexes into a preset external circulation model to obtain first dynamic oxygen content data.

[0060] Understandably, the seat sensing parameter refers to counting data sensed by a seat sensor on a number of persons. Taking a seven-seat vehicle as an example, one seat sensor is arranged at each seat, the seat sensor outputs 1 when detecting a person and outputs 0 when detecting no person, and the total number P of persons is calculated according to the following formula: num The minimum value is 1 (at least one person). The detection period of each seat sensor is 200 ms, the total period is 2 s, and the number of persons is output once every 10 times of collection. For one of the seat sensors, when the vehicle is powered on for the first time, reset or the number of continuous times of collection is less than 10 times, the output is always 0 (no person); when the number of continuous times of collection is 1 and the continuous times are greater than or equal to 10 times, the output is 1 (person).

[0061] In a specific embodiment, when the vehicle circulation mode is the external circulation mode, it indicates that the air blower of the air conditioner is assisting the exchange of air inside and outside the vehicle, and the seat sensing parameter, the air volume gear, the vehicle speed and the first external circulation time are determined as the external circulation indexes. The number of persons in the vehicle is determined according to the seat sensing parameter, the calibration value of the oxygen content compensation coefficient is determined according to the number of persons in the vehicle and the vehicle speed, and the calibration value of the air inlet flow rate coefficient is determined according to the air volume gear and the vehicle speed, and then the preset external circulation model is obtained. The preset external circulation model includes: wherein, V dy represents dynamic oxygen content data; V c represents the volume of the vehicle (in liters); P num represents the number of persons in the vehicle; T represents the total duration of circulation (here, the first external circulation time), t represents time (in seconds); 0.1 represents 0.1 liters of air required by each person per second; S m represents the area of the air inlet; U gc represents the air inlet flow rate coefficient; 21% represents the normal oxygen content in air; K0 represents the oxygen content compensation coefficient. The external circulation indexes are input into the preset external circulation model to obtain the first dynamic oxygen content data. The first dynamic oxygen content data refers to the real-time oxygen content corresponding to the external circulation indexes at the current time in the external circulation mode, i.e., the real-time oxygen content before adjustment of the air volume gear in the external circulation mode.

[0062] In this embodiment, when the vehicle circulation mode is the external circulation mode, the preset external circulation model is determined according to the external circulation indexes, which can ensure the applicability of the preset external circulation model, so as to obtain accurate dynamic oxygen content data based on the preset external circulation model.

[0063] In an embodiment, the dynamic oxygen amount data further comprises second dynamic oxygen amount data; and the ventilation operation performed according to the dynamic oxygen amount data when the dynamic oxygen amount data is less than or equal to the preset lower limit oxygen amount threshold in step S30 comprises:

[0064] S301, when the first dynamic oxygen amount data is less than or equal to the preset lower limit oxygen amount threshold, determining the seat sensing parameter, the air volume gear and the vehicle speed as ventilation indicators, and inputting the ventilation indicators into a preset ventilation amount analysis model to obtain first ventilation amount data;

[0065] S302, when the first ventilation amount data is less than or equal to 0 and the air volume gear has not reached the maximum air volume gear, increasing the air volume gear of the vehicle-mounted air conditioner to update the ventilation indicators and the external circulation indicators, and obtaining second ventilation amount data according to the updated ventilation indicators;

[0066] S303, when the second ventilation amount data is greater than 0, obtaining second dynamic oxygen amount data according to the updated external circulation indicators, until the second dynamic oxygen amount data is greater than or equal to the preset upper limit oxygen amount threshold, and confirming that the ventilation operation is completed.

[0067] Understandably, when the vehicle circulation mode is the external circulation mode, the air volume gear of the air conditioner blower is different, the intake amount of external air is different, and the ventilation effect is also different. When the air volume gear is small, the intake amount of external air can be less than the consumption amount of oxygen in the vehicle, and at this time, the ventilation effect cannot be achieved. Therefore, the seat sensing parameter, the air volume gear and the vehicle speed need to be determined as ventilation indicators, and a preset ventilation amount analysis model can be obtained. The preset ventilation amount analysis model comprises: Res = S m *U gc -P num *0.1-a; wherein V Res represents ventilation amount data (the difference between the ventilation amount and the consumption amount); a represents a margin constant, such as a = 0.5. When the ventilation amount data is less than or equal to 0, it indicates that the ventilation indicators cannot achieve the ventilation effect; when the ventilation amount data is greater than 0, it indicates that the ventilation indicators can achieve the ventilation effect.

[0068] When the first dynamic oxygen amount data is less than or equal to the preset lower limit oxygen amount threshold value, it indicates that the oxygen content in the vehicle needs to be increased by ventilation, and the ventilation index is input into the preset ventilation amount analysis model to obtain first ventilation amount data. The first ventilation amount data is the difference between the ventilation amount corresponding to the ventilation index at the current time in the external circulation mode and the consumption amount, that is, the difference between the ventilation amount before the air volume gear adjustment in the external circulation mode and the consumption amount. The ventilation index in the current external circulation mode can be determined by the first ventilation amount data. In addition, on the premise that the first dynamic oxygen amount data is greater than the preset lower limit oxygen amount threshold value, whether the first ventilation amount data is greater than 0 or not, the oxygen content in the vehicle does not need to be increased by ventilation operation. On the premise that the first dynamic oxygen amount data is less than or equal to the preset lower limit oxygen amount threshold value, when the first ventilation amount data is greater than 0, the current air volume gear in the external circulation mode can increase the oxygen content in the vehicle, and the oxygen content in the vehicle does not need to be increased by ventilation operation.

[0069] On the premise that the first dynamic oxygen amount data is less than or equal to the preset lower limit oxygen amount threshold value, when the first ventilation amount data is less than or equal to 0 and the air volume gear has not reached the maximum air volume gear, the air volume gear of the vehicle-mounted air conditioner is adjusted (for example, from 2 to 3) to update the ventilation index and the external circulation index, and the intake flow rate coefficient associated with the air volume gear. The updated ventilation index refers to the seat perception parameter, the air volume gear and the vehicle speed after the air volume gear adjustment. The updated external circulation index refers to the seat perception parameter, the air volume gear, the vehicle speed and the external circulation time (the external circulation time is re-timed after the air volume gear is adjusted) after the air volume gear adjustment. The second ventilation amount data is obtained according to the updated ventilation index and the preset ventilation amount analysis model containing the updated intake flow rate coefficient, and it is determined whether the second ventilation amount data is greater than 0. The second ventilation amount data refers to the difference between the ventilation amount before the air volume gear adjustment in the external circulation mode and the consumption amount. When the second ventilation amount data is greater than 0, it indicates that the updated ventilation index can achieve the ventilation effect, that is, the air volume gear in the external circulation mode can increase the oxygen content in the vehicle after the air volume gear is adjusted. At this time, the second dynamic oxygen amount data is obtained according to the updated external circulation index and the preset external circulation model containing the updated intake flow rate coefficient. The second dynamic oxygen amount data is the oxygen content in the vehicle after the air volume gear adjustment in the external circulation mode. The second dynamic oxygen amount data increases with time until the second dynamic oxygen amount data is greater than or equal to the preset upper limit oxygen amount threshold value, indicating that the ventilation operation is completed.

[0070] The embodiment increases the exchange of air inside and outside the vehicle by automatically increasing the air volume level of the vehicle-mounted air conditioner when the first dynamic oxygen amount data is less than or equal to the preset lower oxygen amount threshold, the first ventilation amount data is less than or equal to 0, and the air volume level has not reached the maximum air volume level, so that the oxygen content in the vehicle is increased, the intelligence of ventilation according to the environment in the vehicle and actual needs in the external circulation mode is improved, and the comfort experience in the external circulation mode is ensured.

[0071] In an embodiment, after the second ventilation amount data is obtained according to the updated ventilation index in step S30, the method further includes:

[0072] S304, when the second ventilation amount data is less than or equal to 0 and the air volume level reaches the maximum air volume level, generating a window opening notification information; and when it is determined that the door window switch state corresponding to at least one window is in an open state, confirming that the ventilation operation is completed.

[0073] Understandably, when the second ventilation amount data is less than or equal to 0, it indicates that the updated ventilation index can achieve the ventilation effect, that is, the oxygen content in the vehicle cannot be increased after the air volume level is increased in the external circulation mode. When the second ventilation amount data is less than or equal to 0 and the air volume level has not reached the maximum air volume level, the air volume level can be continuously increased (for example, from 3 to 4), and the ventilation index and the external circulation index are updated again until the ventilation amount data corresponding to the updated ventilation index is greater than 0 and the dynamic oxygen amount data corresponding to the updated external circulation index is greater than or equal to the preset upper oxygen amount threshold, which indicates that the ventilation operation is completed.

[0074] When the second ventilation amount data is less than or equal to 0 and the air volume level reaches the maximum air volume level, the oxygen content difference between the ventilation amount and the consumption amount cannot be increased by increasing the air volume level, but a window opening notification information is generated. The window opening notification information is information for prompting the driver and passenger to open the window to achieve ventilation, and the notification methods include but are not limited to text display prompt, fault lamp lighting prompt and voice playing prompt. When the driver and passenger open any window, the vehicle window sensor can detect that the switch state corresponding to the window is in an open state, and when it is determined that the door window switch state corresponding to at least one window is in an open state, it is confirmed that the ventilation operation is completed.

[0075] When the exchange of air inside and outside the vehicle cannot be increased by automatically increasing the air volume level of the vehicle-mounted air conditioner, the embodiment actively ventilates by prompting the user to open the window in time, so that the oxygen content in the vehicle is increased, the cooperation of automatic ventilation and active ventilation is realized, and the comfort experience in the external circulation mode is ensured.

[0076] In an embodiment, the vehicle circulation mode comprises an internal circulation mode, the oxygen measurement index comprises an internal circulation index, the preset oxygen amount analysis model comprises a preset internal circulation model; the dynamic oxygen amount data comprises third dynamic oxygen amount data; in step S20, i.e. the step of obtaining the oxygen measurement index according to the vehicle circulation mode, the oxygen measurement index is input into the preset oxygen amount analysis model corresponding to the vehicle circulation mode to obtain the dynamic oxygen amount data, which comprises:

[0077] S204, when the vehicle circulation mode is the internal circulation mode, the seat awareness parameter, the vehicle speed and the internal circulation time are determined as the internal circulation index;

[0078] S205, the internal circulation index is input into the preset internal circulation model to obtain the third dynamic oxygen amount data.

[0079] Understandably, in a specific embodiment, when the vehicle circulation mode is the internal circulation mode, the seat awareness parameter, the vehicle speed and the internal circulation time are determined as the internal circulation index (at this time, the air volume position of the air conditioner blower cannot assist in air exchange, so the air volume position is not the internal circulation index). The number of people in the vehicle is determined according to the seat awareness parameter, and the calibration value of the oxygen amount compensation coefficient can be determined according to the number of people in the vehicle and the vehicle speed, and then the preset external circulation model is obtained. The preset internal circulation model comprises: wherein, V dy represents the dynamic oxygen amount data; V c represents the volume of the vehicle (in liters); P num represents the number of people in the vehicle; T represents the total duration of circulation (here, the internal circulation time), and T represents time (in seconds); 0.1 represents that each person needs 0.1 liters of air per second; 21% represents the normal oxygen content in air; and K0 represents the oxygen amount compensation coefficient. The internal circulation index is input into the preset internal circulation model to obtain the third dynamic oxygen amount data. The third dynamic oxygen amount data refers to the real-time oxygen content corresponding to the internal circulation index at the current time in the internal circulation mode, i.e. the real-time oxygen content before the internal circulation mode is switched.

[0080] In the embodiment, when the vehicle circulation mode is the internal circulation mode, the preset internal circulation model is determined according to the internal circulation index, which can ensure the applicability of the preset internal circulation model, so as to obtain accurate dynamic oxygen amount data based on the preset internal circulation model.

[0081] In an embodiment, the dynamic oxygen amount data further comprises fourth dynamic oxygen amount data; in step S30, i.e. the step of performing the ventilation operation according to the dynamic oxygen amount data when the dynamic oxygen amount data is less than or equal to the preset lower limit oxygen amount threshold, which comprises:

[0082] S305, when the third dynamic oxygen content data is less than or equal to the preset lower oxygen content threshold, controlling the vehicle circulation mode to switch from the inner circulation mode to the outer circulation mode, and adjusting the air volume gear to the minimum air volume gear;

[0083] S306, determining the seat sensing parameter, the air volume gear and the vehicle speed as the ventilation index, and inputting the ventilation index into the preset ventilation amount analysis model to obtain third ventilation amount data;

[0084] S307, when the third ventilation amount data is greater than 0, determining the seat sensing parameter, the air volume gear, the vehicle speed and the second outer circulation time as the outer circulation index, and inputting the outer circulation index into the preset outer circulation model to obtain fourth dynamic oxygen content data; the second outer circulation time is the duration after the inner circulation mode is switched to the outer circulation mode; when the fourth dynamic oxygen content data is greater than or equal to the preset upper oxygen content threshold, controlling the vehicle-mounted air conditioner to switch the vehicle circulation mode from the outer circulation mode to the inner circulation mode, and confirming the completion of the ventilation operation.

[0085] Understandably, when the third dynamic oxygen content data is less than or equal to the preset lower oxygen content threshold, the vehicle circulation mode is controlled to switch from the inner circulation mode to the outer circulation mode, the air volume of the blower in the outer circulation mode is used to assist the exchange of air inside and outside the vehicle, and the air volume gear is adjusted to the minimum air volume gear. After switching from the inner circulation mode to the outer circulation mode, the inner circulation index and the preset inner circulation model are no longer applicable to the detection of dynamic oxygen content data (oxygen content in the vehicle). The seat sensing parameter, the air volume gear and the vehicle speed are determined as the ventilation index, and the ventilation index is input into the preset ventilation amount analysis model V Res m gc num 0.1-a, to obtain third ventilation amount data. The third ventilation amount data refers to the difference between the ventilation amount corresponding to the minimum air volume gear when the inner circulation mode is switched to the outer circulation mode and the consumption amount.

[0086] When the third ventilation amount data is greater than 0, it indicates that the ventilation index of the minimum air volume gear can achieve the ventilation effect, that is, the minimum air volume gear in the outer circulation mode can improve the oxygen content in the vehicle. At this time, the seat sensing parameter, the air volume gear, the vehicle speed and the second outer circulation time are determined as the outer circulation index, and the outer circulation index is input into the preset outer circulation model ​​​In the fourth dynamic oxygen content data, the minimum air volume position under the outer circulation mode is used to obtain the real-time oxygen content. The second outer circulation time is the duration after the inner circulation mode is switched to the outer circulation mode. The meanings of T in the preset outer circulation model and T in the preset inner circulation model are different, and the duration after the inner circulation mode is switched to the outer circulation mode needs to be re-timed. At the same time, in the outer circulation mode, each time the air volume position is adjusted, U gc and T in the preset outer circulation model will change, that is, U gc and T in the preset outer circulation model need to be updated. The fourth dynamic oxygen content data will continue to rise over time until the fourth dynamic oxygen content data is greater than or equal to the preset upper limit oxygen content threshold, the vehicle circulation mode of the vehicle air conditioner is switched from the outer circulation mode to the inner circulation mode, and the air exchange operation is confirmed to be completed. Finally, the driver and passenger can manually reduce the air volume position or turn off the air conditioner blower according to needs.

[0087] In the embodiment, when the dynamic oxygen content data in the inner circulation mode is less than or equal to the preset lower limit oxygen content threshold, the inner circulation mode is switched to the outer circulation mode, and the air exchange data is investigated from the minimum air volume position to realize the air exchange operation, thereby realizing the intelligent air exchange operation in the inner circulation mode. At the same time, the accuracy of the air volume position is improved to improve the rationality of the air exchange operation and avoid unnecessary energy consumption.

[0088] In an embodiment, the dynamic oxygen content data further includes fifth dynamic oxygen content data; after the step S30, that is, the air exchange index is input into the preset air exchange amount analysis model to obtain the third air exchange amount data, the step S30 further includes:

[0089] S308, when the third air exchange amount data is less than or equal to 0, the air volume position of the vehicle air conditioner is increased to update the air exchange index, and the fourth air exchange amount data is obtained according to the updated air exchange index; when the fourth air exchange amount data is greater than 0, the updated outer circulation index is obtained, and the fifth dynamic oxygen content data is obtained according to the updated outer circulation index; and when the fifth dynamic oxygen content data is greater than or equal to the preset upper limit oxygen content threshold, the vehicle circulation mode of the vehicle air conditioner is switched from the outer circulation mode to the inner circulation mode, and the air exchange operation is confirmed to be completed.

[0090] Understandably, when the third ventilation quantity data is less than or equal to 0, it indicates that the ventilation index of the minimum air volume gear cannot achieve the ventilation effect, that is, the minimum air volume gear cannot increase the oxygen content in the vehicle under the external circulation mode. At this time, the air volume gear of the vehicle-mounted air conditioner is increased to update the ventilation index and the intake flow rate coefficient associated with the air volume gear, and the fourth ventilation quantity data is obtained according to the updated ventilation index and the preset ventilation quantity analysis model containing the updated intake flow rate coefficient. The fourth ventilation quantity data refers to the difference between the ventilation quantity corresponding to the internal circulation mode switching to the external circulation mode and the air volume gear adjustment and the consumption.

[0091] When the fourth ventilation quantity data is greater than 0, it indicates that the updated ventilation index can achieve the ventilation effect, that is, the oxygen content in the vehicle can be increased after the internal circulation mode is switched to the external circulation mode and the air volume gear is increased. At this time, the updated external circulation index refers to the seat perception parameter, the air volume gear, the vehicle speed and the external circulation time (the external circulation time is re-timed after the air volume gear is increased) after the internal circulation mode is switched to the external circulation mode and the air volume gear is adjusted. The fifth dynamic oxygen quantity data is obtained according to the updated external circulation index and the preset external circulation model containing the updated intake flow rate coefficient, and the fifth dynamic oxygen quantity data is the oxygen content in the vehicle after the internal circulation mode is switched to the external circulation mode and the air volume gear is adjusted. The fifth dynamic oxygen quantity data increases with time until the fifth dynamic oxygen quantity data is greater than or equal to the preset upper limit oxygen quantity threshold, the vehicle-mounted air conditioner is controlled to switch the vehicle circulation mode from the external circulation mode back to the internal circulation mode, and the ventilation operation is confirmed to be completed. Finally, the driver and passenger can manually reduce the air volume gear or turn off the air blower of the air conditioner according to needs.

[0092] In this embodiment, when the internal circulation mode is switched to the external circulation mode and the ventilation quantity data cannot achieve the ventilation effect, the effective exchange of air inside and outside the vehicle is realized by gradually increasing the air volume gear, thereby ensuring the rationality of the ventilation operation.

[0093] In an embodiment, after the fourth ventilation quantity data is obtained according to the updated ventilation index in step S308, the method further comprises:

[0094] S3081, when the fourth ventilation quantity data is less than or equal to 0 and the air volume gear reaches the maximum air volume gear, generating a window opening notification information; and when it is determined that the door window switch state of at least one vehicle window corresponds to an open state, controlling the vehicle-mounted air conditioner to switch the vehicle circulation mode from the external circulation mode back to the internal circulation mode, and confirming that the ventilation operation is completed.

[0095] Understandably, when the fourth ventilation amount data is less than or equal to 0, it indicates that the updated ventilation index cannot achieve the ventilation effect, that is, the oxygen content in the vehicle cannot be improved after switching from the inner circulation mode to the outer circulation mode and increasing the air volume gear. When the fourth ventilation amount data is less than or equal to 0 and the air volume gear has not reached the maximum air volume gear, the air volume gear can be continuously increased, and the ventilation index and the outer circulation index can be updated again until the ventilation amount data corresponding to the updated ventilation index is greater than 0 and the dynamic oxygen amount data corresponding to the updated outer circulation index is greater than or equal to the preset upper limit oxygen amount threshold, indicating that the ventilation operation is completed.

[0096] When the fourth ventilation amount data is less than or equal to 0 and the air volume gear reaches the maximum air volume gear, it is impossible to continue to increase the oxygen content difference between the ventilation amount and the consumption amount by increasing the air volume gear, and a window opening notification information is generated. When the driver or passenger opens any window according to the window opening notification information, the window sensor can detect that the corresponding door window switch state is in an open state. When it is determined that the door window switch state corresponding to at least one window is in an open state, the vehicle air conditioner is controlled to switch the vehicle circulation mode from the outer circulation mode back to the inner circulation mode, and it is confirmed that the ventilation operation is completed. Finally, the driver or passenger can manually reduce the air volume gear or turn off the air conditioner blower according to needs.

[0097] In the embodiment, when the effective exchange of air inside and outside the vehicle cannot be achieved by increasing the air volume gear after switching from the inner circulation mode to the outer circulation mode, the active ventilation is realized by prompting the user to open the window in time, the cooperation of the automatic ventilation and the active ventilation is realized, the diversified ventilation operation in the inner circulation mode is ensured, and the comfort experience is improved.

[0098] It should be understood that the size of the serial number of each step in the above embodiment does not mean the order of execution, and the execution order of each process should be determined according to its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiment of the present application.

[0099] In an embodiment, a vehicle ventilation control device is provided, which corresponds to the vehicle ventilation control method in the above embodiment. As shown in the figure, the vehicle ventilation control device comprises a state information acquisition module 10, a dynamic oxygen amount analysis module 20 and a ventilation operation execution module 30. The functions of each module are described in detail as follows: Figure 2

[0100] The state information acquisition module 10 is used to acquire vehicle state information at regular intervals and determine whether the vehicle state information meets the preset oxygen measurement condition;

[0101] ​The dynamic oxygen amount analysis module 20 is configured to, when the vehicle state information meets a preset oxygen measurement condition, acquire an oxygen measurement index according to a vehicle cycle mode, input the oxygen measurement index into a preset oxygen amount analysis model corresponding to the vehicle cycle mode, and obtain dynamic oxygen amount data.

[0102] The ventilation operation execution module 30 is configured to, when the dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold, execute a ventilation operation according to the dynamic oxygen amount data.

[0103] In an embodiment, the state information acquisition module 10 comprises:

[0104] The oxygen measurement condition satisfaction determination unit is configured to, if all the door and window switch states corresponding to the vehicle doors and windows are in a closed state, and the air conditioner working state and the sensor working state are both in a non-abnormal state, determine that the vehicle state information meets a preset oxygen measurement condition.

[0105] In an embodiment, the state information acquisition module 10 further comprises:

[0106] The oxygen measurement condition dissatisfaction determination unit is configured to, when the vehicle state information meets at least one target abnormal condition, determine that the vehicle state information does not meet the preset oxygen measurement condition, and generate oxygen measurement failure notification information; the target abnormal condition comprises:

[0107] The door and window switch state corresponding to any vehicle door and window is in an open state;

[0108] The air conditioner working state is in an abnormal state;

[0109] The sensor working state is in an abnormal state.

[0110] In an embodiment, the dynamic oxygen amount analysis module 20 comprises:

[0111] The preset oxygen amount analysis model determination unit is configured to, when there is a to-be-selected oxygen measurement index consistent with the oxygen measurement index, search a preset index parameter data table for calibration model parameters corresponding to the oxygen measurement index, and determine a preset oxygen amount analysis model corresponding to the vehicle cycle mode according to the calibration model parameters.

[0112] In an embodiment, the dynamic oxygen amount analysis module 20 further comprises:

[0113] The initial dynamic oxygen amount data acquisition unit is configured to acquire a to-be-selected oxygen measurement index, input the to-be-selected oxygen measurement index into a preset oxygen amount analysis model with initial model parameters, and obtain initial dynamic oxygen amount data corresponding to the to-be-selected oxygen measurement index.

[0114] The real vehicle dynamic oxygen amount data acquisition unit is configured to acquire real vehicle dynamic oxygen amount data corresponding to the same to-be-selected oxygen measurement index.

[0115] a model parameter adjusting unit, configured to adjust the initial model parameter according to the initial dynamic oxygen amount data and the real vehicle dynamic oxygen amount data, to obtain a calibrated model parameter corresponding to the to-be-selected oxygen measurement index;

[0116] an index parameter data group generating unit, configured to associate the to-be-selected oxygen measurement index and the calibrated model parameter, to generate an index parameter data group corresponding to the to-be-selected oxygen measurement index;

[0117] a preset index parameter data table generating unit, configured to generate a preset index parameter data table according to all index parameter data groups corresponding to the to-be-selected oxygen measurement index.

[0118] In an embodiment, the dynamic oxygen amount analysis module 20 further includes:

[0119] an outer loop index determining unit, configured to determine a seat sensing parameter, an air volume gear, a vehicle speed, and a first outer loop time as an outer loop index when the vehicle loop mode is an outer loop mode; the first outer loop time is a duration of the outer loop mode;

[0120] a first dynamic oxygen amount data determining unit, configured to input the outer loop index into a preset outer loop model, to obtain first dynamic oxygen amount data.

[0121] In an embodiment, the ventilation operation execution module 30 includes:

[0122] a first ventilation amount data determining unit, configured to determine the seat sensing parameter, the air volume gear, and the vehicle speed as ventilation indexes when the first dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold, and input the ventilation indexes into a preset ventilation amount analysis model, to obtain first ventilation amount data;

[0123] a second ventilation amount data determining unit, configured to increase the air volume gear of the vehicle-mounted air conditioner to update the ventilation indexes and the outer loop indexes when the first ventilation amount data is less than or equal to 0 and the air volume gear has not reached a maximum air volume gear, and obtain second ventilation amount data according to the updated ventilation indexes;

[0124] a first ventilation operation completion unit, configured to obtain second dynamic oxygen amount data according to the updated outer loop indexes when the second ventilation amount data is greater than 0, until the second dynamic oxygen amount data is greater than or equal to a preset upper limit oxygen amount threshold, to confirm completion of the ventilation operation;

[0125] The second ventilation operation completion unit is configured to generate an open window notification when the second ventilation amount data is less than or equal to 0 and the air volume gear reaches the maximum air volume gear, and confirm completion of the ventilation operation when the door window switch corresponding to at least one vehicle window is determined to be in an open state.

[0126] In an embodiment, the dynamic oxygen amount analysis module 20 further comprises:

[0127] The internal circulation index determination unit is configured to determine a seat perception parameter, a vehicle speed, and an internal circulation time as internal circulation indexes when the vehicle circulation mode is an internal circulation mode.

[0128] The third dynamic oxygen amount data determination unit is configured to input the internal circulation indexes into a preset internal circulation model to obtain third dynamic oxygen amount data.

[0129] In an embodiment, the ventilation operation execution module 30 further comprises:

[0130] The circulation mode switching unit is configured to switch the vehicle circulation mode from the internal circulation mode to the external circulation mode and adjust the air volume gear to the minimum air volume gear when the third dynamic oxygen amount data is less than or equal to a preset lower oxygen amount threshold.

[0131] The third ventilation amount data determination unit is configured to determine the seat perception parameter, the air volume gear, and the vehicle speed as ventilation indexes, and input the ventilation indexes into a preset ventilation amount analysis model to obtain third ventilation amount data.

[0132] The fourth dynamic oxygen amount data determination unit is configured to determine the seat perception parameter, the air volume gear, the vehicle speed, and a second external circulation time as external circulation indexes when the third ventilation amount data is greater than 0, and input the external circulation indexes into a preset external circulation model to obtain fourth dynamic oxygen amount data; the second external circulation time is a duration after the internal circulation mode is switched to the external circulation mode.

[0133] The third ventilation operation completion unit is configured to control the vehicle-mounted air conditioner to switch the vehicle circulation mode from the external circulation mode to the internal circulation mode and confirm completion of the ventilation operation when the fourth dynamic oxygen amount data is greater than or equal to a preset upper oxygen amount threshold.

[0134] The fourth ventilation operation completion unit is configured to, when the third ventilation amount data is less than or equal to 0, increase the air volume gear of the vehicle-mounted air conditioner to update the ventilation index, and obtain fourth ventilation amount data according to the updated ventilation index; when the fourth ventilation amount data is greater than 0, obtain an updated external circulation index, and obtain fifth dynamic oxygen amount data according to the updated external circulation index; and when the fifth dynamic oxygen amount data is greater than or equal to a preset upper limit oxygen amount threshold, control the vehicle-mounted air conditioner to switch the vehicle circulation mode from the external circulation mode back to the internal circulation mode, and confirm completion of the ventilation operation.

[0135] In an embodiment, the ventilation operation execution module 30 further comprises:

[0136] The fifth ventilation operation completion unit is configured to, when the fourth ventilation amount data is less than or equal to 0 and the air volume gear reaches a maximum air volume gear, generate window opening notification information; and when it is determined that the door window switch state corresponding to at least one vehicle window is in an open state, control the vehicle-mounted air conditioner to switch the vehicle circulation mode from the external circulation mode back to the internal circulation mode, and confirm completion of the ventilation operation.

[0137] The specific limitations of the vehicle ventilation control device can refer to the limitations of the vehicle ventilation control method described above, which will not be repeated here. Each module in the vehicle ventilation control device described above can be realized by software, hardware and their combination. The above-mentioned modules can be embedded in or independent of the processor in the vehicle in hardware form, or can be stored in the memory in the vehicle in software form, so as to be called and executed by the processor to perform the operations corresponding to each module.

[0138] In an embodiment, a vehicle is provided, comprising a controller for implementing the vehicle ventilation control method described above. The controller of the vehicle can be an air conditioner controller, a vehicle controller, or a combination of an air conditioner controller, a vehicle controller and other modules. The controller is in communication connection with the door window sensor, the seat sensor, the vehicle speed sensor, and the internal and external circulation motors of the vehicle-mounted air conditioner, for implementing various complex control strategies in the vehicle ventilation control method described above.

[0139] In an embodiment, one or more computer-readable storage media having computer-readable instructions stored thereon are provided. The computer-readable storage media provided in the embodiment includes non-volatile readable storage media and volatile readable storage media. The computer-readable instructions stored on the computer-readable storage media are executed by one or more processors to implement the following steps:

[0140] Timing to obtain vehicle state information and determining whether the vehicle state information meets a preset oxygen measurement condition;

[0141] When the vehicle state information meets a preset oxygen measurement condition, an oxygen measurement index is obtained according to a vehicle cycle mode, the oxygen measurement index is input into a preset oxygen amount analysis model corresponding to the vehicle cycle mode, and dynamic oxygen amount data is obtained.

[0142] When the dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold, a ventilation operation is performed according to the dynamic oxygen amount data.

[0143] Those skilled in the art can understand that all or part of the processes in the above-mentioned embodiment methods can be completed by computer readable instructions instructing related hardware, and the computer readable instructions can be stored in a non-volatile readable storage medium or a volatile readable storage medium, and when executed, can include the processes of the above-mentioned embodiments. Any reference to memory, storage, database or other medium used in each embodiment of the present application can include non-volatile and / or volatile memory. Non-volatile memory can include read-only memory (ROM), programmable ROM (PROM), electrically programmable ROM (EPROM), electrically erasable programmable ROM (EEPROM) or flash memory. Volatile memory can include random access memory (RAM) or external cache memory. As an illustration but not limitation, RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronous link (Synchlink) DRAM (SLDRAM), memory bus (Rambus) direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM), etc.

[0144] Those skilled in the art can clearly understand that, for the convenience and brevity of description, only the division of the above-mentioned functional units and modules is exemplified, and in actual application, the above-mentioned functions can be completed by different functional units and modules according to needs, that is, the internal structure of the device is divided into different functional units or modules to complete all or part of the functions described above.

[0145] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A vehicle purge control method characterized by, The method comprises the following steps: acquiring vehicle state information and determining whether the vehicle state information meets preset oxygen measurement conditions; when the vehicle state information meets the preset oxygen measurement conditions, acquiring an oxygen measurement index according to a vehicle circulation mode, inputting the oxygen measurement index into a preset oxygen amount analysis model corresponding to the vehicle circulation mode, and obtaining dynamic oxygen amount data; when the dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold, performing a ventilation operation according to the dynamic oxygen amount data; before the step of inputting the oxygen measurement index into the preset oxygen amount analysis model corresponding to the vehicle circulation mode, the method further comprises the following steps: acquiring a candidate oxygen measurement index, inputting the candidate oxygen measurement index into a preset oxygen amount analysis model with initial model parameters, and obtaining initial dynamic oxygen amount data corresponding to the candidate oxygen measurement index; collecting real vehicle dynamic oxygen amount data corresponding to the same candidate oxygen measurement index; adjusting the initial model parameters according to the initial dynamic oxygen amount data and the real vehicle dynamic oxygen amount data, and obtaining calibrated model parameters corresponding to the candidate oxygen measurement index; associating the candidate oxygen measurement index and the calibrated model parameters, and generating an index parameter data group corresponding to the candidate oxygen measurement index; generating a preset index parameter data table according to all index parameter data groups corresponding to the candidate oxygen measurement index.

2. The vehicle purge control method according to claim 1, characterized by, The vehicle state information comprises door and window switch states, air conditioner working states and sensor working states; the step of determining whether the vehicle state information meets preset oxygen measurement conditions comprises the following steps: if all the door and window switch states corresponding to vehicle doors and windows are in a closed state, and the air conditioner working state and the sensor working state are in a non-abnormal state, it is determined that the vehicle state information meets the preset oxygen measurement conditions.

3. The vehicle purge control method according to claim 1, characterized by, before the step of inputting the oxygen measurement index into the preset oxygen amount analysis model corresponding to the vehicle circulation mode, the method further comprises the following steps: when there is a candidate oxygen measurement index consistent with the oxygen measurement index, searching for calibrated model parameters corresponding to the oxygen measurement index from a preset index parameter data table, and determining a preset oxygen amount analysis model corresponding to the vehicle circulation mode according to the calibrated model parameters.

4. The vehicle purge control method according to claim 1, characterized by The vehicle circulation mode comprises an external circulation mode, the oxygen measurement index comprises an external circulation index, the preset oxygen amount analysis model comprises a preset external circulation model, and the dynamic oxygen amount data comprises first dynamic oxygen amount data; the step of acquiring an oxygen measurement index according to a vehicle circulation mode, inputting the oxygen measurement index into a preset oxygen amount analysis model corresponding to the vehicle circulation mode, and obtaining dynamic oxygen amount data comprises the following steps: when the vehicle circulation mode is an external circulation mode, determining a seat sensing parameter, an air volume gear, a vehicle speed and a first external circulation time as an external circulation index; the first external circulation time is the duration of the external circulation mode; inputting the external circulation index into the preset external circulation model to obtain first dynamic oxygen amount data.

5. The vehicle purge control method according to claim 4, characterized by The dynamic oxygen amount data further comprises second dynamic oxygen amount data; and the step of performing a ventilation operation according to the dynamic oxygen amount data when the dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold comprises the following steps: determining the seat awareness parameter, the air volume level, and the vehicle speed as the ventilation index when the first dynamic oxygen amount data is less than or equal to the preset lower limit oxygen amount threshold, inputting the ventilation index into a preset ventilation amount analysis model to obtain first ventilation amount data; when the first ventilation amount data is less than or equal to 0 and the air volume level has not reached the maximum air volume level, increasing the air volume level of the vehicle-mounted air conditioner to update the ventilation index and the external circulation index, and obtaining second ventilation amount data according to the updated ventilation index; when the second ventilation amount data is greater than 0, obtaining second dynamic oxygen amount data according to the updated external circulation index, until the second dynamic oxygen amount data is greater than or equal to the preset upper limit oxygen amount threshold, the ventilation operation is confirmed to be completed; when the second ventilation amount data is less than or equal to 0 and the air volume level reaches the maximum air volume level, generating a window opening notification information, and when it is determined that the door window switch state corresponding to at least one window is in an open state, the ventilation operation is confirmed to be completed.

6. The vehicle purge control method according to claim 1, characterized by The vehicle circulation mode includes an internal circulation mode, the oxygen measurement index includes an internal circulation index, and the preset oxygen amount analysis model includes a preset internal circulation model; the dynamic oxygen amount data includes third dynamic oxygen amount data; The method of obtaining the oxygen measurement index according to the vehicle circulation mode, inputting the oxygen measurement index into a preset oxygen amount analysis model corresponding to the vehicle circulation mode to obtain dynamic oxygen amount data, includes: when the vehicle circulation mode is an internal circulation mode, determining a seat awareness parameter, a vehicle speed, and an internal circulation time as an internal circulation index; inputting the internal circulation index into a preset internal circulation model to obtain third dynamic oxygen amount data.

7. The vehicle purge control method according to claim 6, characterized by The dynamic oxygen amount data further includes fourth dynamic oxygen amount data and fifth dynamic oxygen amount data; and the method of performing a ventilation operation according to the dynamic oxygen amount data when the dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold, includes: when the third dynamic oxygen amount data is less than or equal to a preset lower limit oxygen amount threshold, switching the vehicle circulation mode from the internal circulation mode to the external circulation mode, and adjusting the air volume level to the minimum air volume level; determining the seat awareness parameter, the air volume level, and the vehicle speed as the ventilation index, and inputting the ventilation index into a preset ventilation amount analysis model to obtain third ventilation amount data; when the third ventilation amount data is greater than 0, determining the seat awareness parameter, the air volume level, the vehicle speed, and a second external circulation time as the external circulation index, and inputting the external circulation index into a preset external circulation model to obtain fourth dynamic oxygen amount data; the second external circulation time is the duration after switching from the internal circulation mode to the external circulation mode; and when the fourth dynamic oxygen amount data is greater than or equal to the preset upper limit oxygen amount threshold, controlling the vehicle-mounted air conditioner to switch the vehicle circulation mode from the external circulation mode to the internal circulation mode, and confirming that the ventilation operation is completed; when the third ventilation amount data is less than or equal to 0, increasing the air volume gear of the vehicle air conditioner to update the ventilation index, and obtaining fourth ventilation amount data according to the updated ventilation index; when the fourth ventilation amount data is greater than 0, obtaining an updated external circulation index, and obtaining fifth dynamic oxygen amount data according to the updated external circulation index; and when the fifth dynamic oxygen amount data is greater than or equal to a preset upper limit oxygen amount threshold, controlling the vehicle air conditioner to switch the vehicle circulation mode from the external circulation mode back to the internal circulation mode, and confirming completion of the ventilation operation.

8. A vehicle characterized by comprising: The vehicle ventilation control method according to any one of claims 1 to 7.

9. A computer-readable storage medium having stored computer-readable instructions, wherein, The computer readable instructions, when executed by one or more processors, cause the one or more processors to perform the vehicle ventilation control method according to any one of claims 1 to 7.

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