A vehicle oxygen supply method, device, computer equipment and storage medium

Abstract

The present application relates to the technical field of vehicles, and particularly relates to a vehicle oxygen supply method and device, computer equipment and storage medium, the method comprising: acquiring an altitude and a blood oxygen saturation; determining an oxygen demand index according to the altitude and the blood oxygen saturation, wherein the oxygen demand index is positively correlated with the altitude and negatively correlated with the blood oxygen saturation; determining a target oxygen supply mode from candidate oxygen supply modes according to the oxygen demand index, wherein the candidate oxygen supply modes comprise at least two of seat headrest diffusion oxygen supply, air conditioner air outlet oxygen supply and nasal catheter oxygen supply; and determining a value of an oxygen supply parameter according to the oxygen demand index. The method can improve the problem of single oxygen supply mode in the prior art.

Description

Technical Field

[0001] This invention relates to the field of vehicle technology, and in particular to a vehicle oxygen supply method, apparatus, computer equipment, and storage medium. Background Technology

[0002] At higher altitudes (e.g., above 3000 meters), the oxygen content in the air decreases significantly. Tourists, drivers, and residents traveling from lower altitudes to high-altitude areas, as well as those sensitive to oxygen deficiency, are prone to altitude sickness (headache, nausea, fatigue, difficulty breathing, etc.). In-vehicle oxygen supply systems can continuously provide a high concentration of oxygen, effectively alleviating and preventing altitude sickness, and improving driving safety and passenger comfort.

[0003] Among the relevant methods, vehicle-mounted oxygen supply uses a single oxygen supply method, which cannot meet different needs. Summary of the Invention

[0004] Based on this, a vehicle oxygen supply method, apparatus, computer equipment, and storage medium are provided to improve the problem of the single oxygen supply method in the prior art.

[0005] On the one hand, a vehicle oxygen supply method is provided, including:

[0006] Obtain altitude and blood oxygen saturation;

[0007] Based on the altitude and the blood oxygen saturation, an oxygen demand index is determined, wherein the oxygen demand index is positively correlated with the altitude and negatively correlated with the blood oxygen saturation.

[0008] The target oxygen supply method is determined from the candidate oxygen supply methods based on the oxygen demand index, and the values ​​of the oxygen supply parameters are determined based on the oxygen demand index. The candidate oxygen supply methods include at least two of the following: seat headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply.

[0009] In one embodiment, after determining the oxygen demand index based on the altitude and the blood oxygen saturation, the method further includes:

[0010] Obtain the vehicle's air circulation mode;

[0011] When the air circulation mode is the internal circulation mode, a first compensation coefficient is determined based on the carbon dioxide concentration inside the vehicle, wherein the first compensation coefficient is positively correlated with the carbon dioxide concentration and the first compensation coefficient is greater than or equal to 1.

[0012] The oxygen demand index is adjusted according to the first compensation coefficient, so as to determine the target oxygen supply method and the value of the oxygen supply parameters based on the adjusted oxygen demand index.

[0013] In one embodiment, after determining the oxygen demand index based on the altitude and the blood oxygen saturation, the method further includes:

[0014] When the altitude is greater than the altitude threshold and the blood oxygen saturation is less than the blood oxygen threshold, a second compensation coefficient is determined based on the blood oxygen saturation, wherein the second compensation coefficient is negatively correlated with the blood oxygen saturation and the second compensation coefficient is greater than or equal to 1.

[0015] The oxygen demand index is adjusted according to the second compensation coefficient, so as to determine the target oxygen supply method and the value of the oxygen supply parameters based on the adjusted oxygen demand index.

[0016] In one embodiment, before determining the second compensation coefficient based on the blood oxygen saturation, the method further includes:

[0017] The blood oxygen threshold is determined based on the altitude, wherein the blood oxygen threshold is negatively correlated with the altitude.

[0018] In one embodiment, the candidate oxygen supply methods include seat headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply. The step of determining the target oxygen supply method from the candidate methods based on the oxygen demand index includes:

[0019] When the oxygen demand index is in the first range, oxygen is supplied through diffusion via the seat headrest;

[0020] When the oxygen demand index is in the second range, oxygen is supplied through the air conditioning outlet.

[0021] When the oxygen demand index is in the third range, oxygen is supplied via a nasal cannula;

[0022] Wherein, the upper limit of the first interval is less than the lower limit of the second interval, and the upper limit of the second interval is less than the lower limit of the third interval.

[0023] In one embodiment, determining the value of the oxygen supply parameter based on the oxygen demand index further includes:

[0024] Determine the oxygen supply flow rate based on the oxygen demand index;

[0025] The oxygen supply flow rate is positively correlated with the oxygen demand index.

[0026] In one embodiment, determining the value of the oxygen supply parameter based on the oxygen demand index further includes:

[0027] Determine the humidity of the oxygen based on the oxygen supply flow rate;

[0028] The humidity is positively correlated with the oxygen supply flow rate.

[0029] On the other hand, a vehicle oxygen supply device is provided, the device comprising:

[0030] The acquisition module is used to obtain altitude and blood oxygen saturation.

[0031] The calculation module is used to determine the oxygen demand index based on the altitude and the blood oxygen saturation, wherein the oxygen demand index is positively correlated with the altitude and negatively correlated with the blood oxygen saturation;

[0032] An execution module is used to determine a target oxygen supply method from candidate oxygen supply methods based on the oxygen demand index, and to determine the value of oxygen supply parameters based on the oxygen demand index. The candidate oxygen supply methods include at least two of the following: seat headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply.

[0033] In another aspect, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor implements the method when executing the computer program.

[0034] A computer-readable storage medium is also provided, on which a computer program is stored, which, when executed by a processor, implements the method.

[0035] The aforementioned vehicle oxygen supply method, device, computer equipment, and storage medium determine the oxygen demand index (ODI) based on altitude and blood oxygen saturation. The ODI is positively correlated with altitude and negatively correlated with blood oxygen saturation. The ODI can comprehensively reflect the degree of oxygen demand by considering both altitude and the user's own condition. Based on the ODI, the target oxygen supply method and the values ​​of the oxygen supply parameters are determined, including oxygen supply through seat headrest diffusion, oxygen supply through air conditioning vents, or oxygen supply through nasal cannulas. The above process can identify the oxygen supply demand and select the oxygen supply method and adjust the values ​​of the oxygen supply parameters based on the oxygen supply demand, thereby meeting different levels of oxygen supply demand. Attached Figure Description

[0036] Figure 1 One embodiment describes a vehicle oxygen supply system that applies a vehicle oxygen supply method.

[0037] Figure 2 This is a flowchart illustrating a vehicle oxygen supply system method in one embodiment;

[0038] Figure 3 This is a structural block diagram of a vehicle oxygen supply device in one embodiment;

[0039] Figure 4 This is an internal structural diagram of a computer device in one embodiment. Detailed Implementation

[0040] To make the objectives, technical solutions, and advantages of this invention clearer, the invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative and not intended to limit the invention.

[0041] Today, cars have transcended being mere means of transportation and become mobile living spaces, requiring adaptation to different driving environments and solutions to problems encountered in various driving conditions. For example, in high-altitude environments, there is a lack of systematic technology for controlling the in-vehicle environment. Especially when the altitude exceeds 3,000 meters, the oxygen content in the thin air drops sharply, and altitude sickness-induced headaches, nausea, and dizziness directly affect the driver's judgment and reaction speed, as well as the physiological health of the passengers. By equipping vehicles with oxygen supply functions, users can be provided with oxygen supply guarantees in emergency situations.

[0042] This invention provides a vehicle oxygen supply method, which can be applied to applications such as... Figure 1 The vehicle oxygen supply system shown includes an oxygen source, such as an oxygen generator. The oxygen generator, for example, produces oxygen through the principle of pressure swing adsorption of molecular sieves. It uses zeolite molecular sieves as adsorbents, whose microporous structure preferentially adsorbs nitrogen while allowing oxygen to pass through, thereby achieving oxygen-nitrogen separation. Through periodic pressure changes (high pressure adsorption of nitrogen → low pressure desorption and regeneration), it alternates to ensure continuous oxygen supply.

[0043] Oxygen sources include oxygen cylinders and other oxygen storage devices obtained by pressurizing oxygen.

[0044] The vehicle oxygen supply system also includes an oxygen distribution unit and oxygen release units arranged in different locations. The oxygen distribution unit is exemplified as a multi-way valve, which switches the oxygen release path and release amount by controlling the valve structure.

[0045] The oxygen release unit is used to guide oxygen to the corresponding location for release. In this invention, the oxygen release unit includes a seat headrest diffuser assembly, an air conditioning vent assembly, and a nasal cannula assembly.

[0046] The headrest diffuser assembly is located inside the headrest of the driver's seat and / or passenger seat, and exemplarily releases oxygen to the driver through multiple diffuser outlets on the headrest, suitable for light or imperceptible oxygen supply; the air conditioning vent assembly is based on existing air conditioning vent components, and connects the oxygen distribution unit to the air conditioning vent through an oxygen supply pipe, which can release oxygen to various spaces in the vehicle, improve the overall oxygen environment in the vehicle, and is suitable for large-volume oxygen supply; the nasal cannula assembly includes a nasal plug, which is connected to the oxygen release unit through an oxygen supply pipe. The nasal cannula assembly is exemplarily located in the front and rear seats for easy access by the user, and is suitable for centralized oxygen supply for individuals.

[0047] In one embodiment of the present invention, the vehicle oxygen supply method is as follows: Figure 2As shown, it includes the following steps:

[0048] Step 110: Obtain altitude and blood oxygen saturation.

[0049] The altitude of a vehicle's location can be obtained in various ways. For example, based on the physical law that atmospheric pressure decreases with increasing altitude, real-time air pressure can be measured using a high-precision air pressure sensor, and the altitude can be calculated using the air pressure to altitude formula.

[0050] For blood oxygen saturation, feasible methods include using devices such as finger-clip pulse oximeters, but these require manual intervention. In this embodiment, near-infrared spectroscopy can be used for non-intrusive detection. For example, a blood oxygen saturation probe can be placed at the steering wheel position, using a 940nm+660nm dual-band spectrum to detect changes in the absorbance ratio during arterial pulsation and convert them into blood oxygen saturation. To compensate for the inaccuracy of the data collected from the steering wheel, PPG (Photoplethysmography) technology can be used to correct the data.

[0051] Step 120: Determine the oxygen demand index based on altitude and blood oxygen saturation.

[0052] The oxygen demand index is used to reflect the degree of oxygen demand under the current environment (altitude) and the user's own condition (blood oxygen saturation).

[0053] The oxygen demand index is positively correlated with altitude. The higher the altitude, the thinner the oxygen in the air, and the higher the demand for oxygen supply to prevent users from experiencing hypoxia.

[0054] The oxygen demand index is negatively correlated with blood oxygen saturation. The lower a user's blood oxygen saturation, the more oxygen is needed to ensure the user's health.

[0055] Step 130: Determine the target oxygen supply method from the candidate oxygen supply methods based on the oxygen demand index, and determine the values ​​of the oxygen supply parameters based on the oxygen demand index.

[0056] The target oxygen supply method refers to which path of the vehicle's oxygen supply system is used to supply oxygen. Based on this system, available candidate methods include headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply. By different oxygen demand indices (ODIs), the system identifies the user's current oxygen requirement and selects the corresponding target method. For example, when the ODI is low, headrest diffusion oxygen supply is selected, where the oxygen is diffused and released through the headrest diffuser, concentrating the oxygen supply around the user's head for a seamless experience and reduced unnecessary oxygen loss. When the ODI is high, air conditioning vent oxygen supply is selected, releasing oxygen through the vent components to improve the overall oxygen environment inside the vehicle. Furthermore, when the ODI is even higher, nasal cannula oxygen supply is selected, providing targeted oxygen supply to the individual through the nasal cannula component.

[0057] For example, different priority levels are configured for different candidate oxygen supply methods. The higher the priority, the higher the corresponding oxygen supply index. In actual application, the candidate oxygen supply method with the corresponding priority is selected as the target oxygen supply method according to the oxygen demand index.

[0058] The priority configuration method is determined based on the actual situation. For example, the oxygen supply through the seat headrest diffusion is configured as the first priority, the oxygen supply through the air conditioning vents as the second priority, and the oxygen supply through the nasal cannula as the third priority. The progressive oxygen supply strategy balances the comfort and urgency of oxygen supply.

[0059] Understandably, the number of candidate oxygen supply methods can vary depending on the specific settings of the vehicle's oxygen supply system. For example, it could combine seat headrest diffusion oxygen supply and air conditioning vent oxygen supply as candidate methods, or combine air conditioning vent oxygen supply and nasal cannula oxygen supply as candidate methods. At least two options should be retained to allow for adjustments to oxygen supply based on actual needs.

[0060] Examples of oxygen supply parameters include oxygen flow rate. The values ​​of these parameters can be adaptively adjusted to match specific oxygen demand under different oxygen demand indices, as explained later.

[0061] The vehicle oxygen supply method provided in this embodiment, tailored to the specific scenario of a vehicle, offers either the seat headrest assembly or the air conditioning vent assembly as selectable oxygen supply pathways, providing users with an oxygen supply method integrated with the vehicle environment. Furthermore, it utilizes a nasal cannula assembly for centralized individual oxygen supply, thus meeting scenarios with high oxygen demand. By determining the oxygen demand index through altitude and blood oxygen saturation, it can accurately identify the degree of oxygen demand under the current environment (altitude) and the user's own state (blood oxygen saturation). Based on the oxygen demand index, it determines the oxygen supply method and the values ​​of the oxygen supply parameters, providing users with an oxygen supply function that meets their current needs.

[0062] The following is a further explanation of the oxygen demand index:

[0063] In one embodiment, after determining the oxygen demand index based on altitude and blood oxygen saturation, the method further includes:

[0064] Obtain the vehicle's air circulation mode;

[0065] When the air circulation mode is in recirculation mode, a first compensation coefficient is determined based on the carbon dioxide concentration inside the vehicle. The first compensation coefficient is positively correlated with the carbon dioxide concentration and is greater than or equal to 1.

[0066] The oxygen demand index is adjusted based on the first compensation coefficient, and the target oxygen supply method and the values ​​of the oxygen supply parameters are determined based on the adjusted oxygen demand index.

[0067] Typically, vehicle air circulation modes include external circulation mode and internal circulation mode. In external circulation mode, the air conditioning system draws in outside air, filters it through the air filter, and then delivers it into the cabin, maintaining airflow between the vehicle and the outside and replenishing fresh oxygen. Internal circulation mode, on the other hand, recirculates the existing air inside the vehicle, allowing it to circulate within the enclosed space without exchanging with outside air. Therefore, in internal circulation mode, the oxygen content inside the vehicle decreases with the user's breathing, while the carbon dioxide concentration increases. Thus, in internal circulation mode, by detecting the carbon dioxide concentration and calculating a first compensation coefficient, the oxygen demand index is adjusted to obtain a more accurate oxygen demand assessment.

[0068] For example, the baseline oxygen demand index D is determined based on altitude and blood oxygen saturation, and is calculated, for instance, according to the following mathematical expression:

[0069] D=max(0,α1*(h / N)-α2*(spo2-b1));

[0070] Where h is altitude; N is altitude gradient; spo2 is current blood oxygen saturation; α1 and α2 are altitude coefficient and blood oxygen coefficient, respectively; b1 is the first bias; N, α1, α2, and b1 can be determined according to the actual situation, but it is known that α1 > 0 and α2 > 0.

[0071] For example, the configuration is D = max(0, 0.5 * (h / 1000) - 0.1 * (spo2 - 90));

[0072] At this point, spo2 is the numerator of the current blood oxygen saturation. For example, if the current blood oxygen saturation is 95%, then spo2 is recorded as 95 and used in the calculation.

[0073] It can be seen that the oxygen demand index D has a minimum of 0, and increases by 0.5 for every 1000m increase in altitude h. For every 1% decrease in blood oxygen saturation, the oxygen demand index D increases by 0.1.

[0074] The first compensation coefficient is defined as a1 (a1≥1). For example, the first compensation coefficient a1 is determined based on the carbon dioxide concentration CO2 according to the following mathematical expression:

[0075] a1 = b2 + α3 * co2 / M;

[0076] Where b2 is the second bias, α3 is the concentration coefficient and α3 is greater than 0, and M is the concentration gradient.

[0077] For example, a1 = 1.2 + 0.05 * co2 / 1000;

[0078] Carbon dioxide concentration (CO2) is calculated in parts per million (ppm).

[0079] The adjusted oxygen demand index D' = a1 * D.

[0080] The first compensation coefficient is positively correlated with the carbon dioxide concentration; that is, the higher the carbon dioxide concentration, the larger the first compensation coefficient, and the larger the adjusted oxygen demand index.

[0081] When the car is in external air circulation mode, the first compensation coefficient a1 is recorded as 1.

[0082] In another embodiment, for emergency situations of excessively low blood oxygen saturation, an alternative compensation method is provided, exemplarily:

[0083] After determining the oxygen demand index based on altitude and blood oxygen saturation, the following is also included:

[0084] When the altitude is greater than the altitude threshold and the blood oxygen saturation is less than the blood oxygen threshold, a second compensation coefficient is determined based on the blood oxygen saturation. The second compensation coefficient is negatively correlated with the blood oxygen saturation and is greater than or equal to 1.

[0085] The oxygen demand index is adjusted according to the second compensation coefficient, and the target oxygen supply method and the value of the oxygen supply parameters are determined based on the adjusted oxygen demand index.

[0086] Among them, the altitude threshold is, for example, 3000m, or other altitude values ​​that can define high or low altitude. The blood oxygen threshold indicates the safe blood oxygen value at the current altitude. It is determined based on typical values ​​that can define the normal physiological state and hypoxic state of the human body. For example, at an altitude of 3000m, the normal range of human blood oxygen saturation is 88% to 92%. Therefore, the blood oxygen threshold can be set at 88%.

[0087] It is understandable that the blood oxygen threshold can be a fixed value or a dynamic value that is negatively correlated with altitude.

[0088] Table 1 below provides an example of baseline SpO2 and blood oxygen thresholds at different altitudes.

[0089] Table 1:

[0090] ＜1500 98 94 1500-3000 95 90 ＞3000 92 88

[0091] In actual implementation, based on the actual situation, different altitudes can be determined as altitude thresholds, and the blood oxygen threshold can be determined according to the altitude.

[0092] For example, the second compensation coefficient is determined according to the following mathematical expression:

[0093] a2 = α4*(b3 + (S - spo2) / P);

[0094] Where a2 is the second compensation coefficient, α4 is the adjustment factor, b3 is the third bias, S is the blood oxygen threshold, spo2 is the current blood oxygen saturation, and P is the blood oxygen gradient. For example, the following is defined:

[0095] a2 = 1.5 * (1 + (88 - spo2) / 10);

[0096] Blood oxygen saturation spo2 is still calculated using the numerator.

[0097] It can be seen that when blood oxygen saturation is below 88%, the second compensation coefficient increases by 15% for every 1% decrease.

[0098] Based on the second compensation coefficient a2, the oxygen demand index D is adjusted, and the adjusted oxygen demand index D' = a2 * D.

[0099] In another embodiment, the oxygen demand index D is adjusted based on the first compensation coefficient and the second compensation coefficient, and the adjusted oxygen demand index D' = a1*a2*D.

[0100] By monitoring carbon dioxide concentration in vehicle recirculation mode and identifying extreme hypoxia conditions, the accuracy of oxygen demand identification can be improved.

[0101] In one embodiment, the possible range of the oxygen demand index is divided, and the current range of the oxygen demand index is determined to identify the target oxygen supply method. Specifically:

[0102] When the oxygen demand index is in the first range, oxygen is supplied through diffusion via the seat headrest;

[0103] When the oxygen demand index is in the second range, oxygen is supplied through the air conditioning vents.

[0104] When the oxygen demand index is in the third range, oxygen is supplied via nasal cannula;

[0105] Among them, the upper limit of the first interval is less than the lower limit of the second interval, and the upper limit of the second interval is less than the lower limit of the third interval.

[0106] By adopting a tiered response strategy, there is no need to switch oxygen supply routes when the oxygen demand index fluctuates within a certain range.

[0107] The oxygen supply parameters are explained below:

[0108] The oxygen supply parameters include the oxygen supply flow rate. In one embodiment, the oxygen supply flow rate is determined based on the oxygen demand index; wherein the oxygen supply flow rate is positively correlated with the oxygen demand index.

[0109] That is, when the oxygen demand index is low, a low flow rate is used for oxygen supply, and when the oxygen demand index is high, a high flow rate is used for oxygen supply.

[0110] Specifically, in conjunction with the division of the oxygen demand index range in the aforementioned embodiments, when the oxygen demand index is in the first range, the first flow rate is used for oxygen supply; when the oxygen demand index is in the second range, the second flow rate is used for oxygen supply; and when the oxygen demand index is in the third range, the third flow rate is used for oxygen supply, with the third flow rate being greater than the second flow rate and the second flow rate being greater than the first flow rate.

[0111] The first flow rate, the second flow rate, and the third flow rate can have a certain range of fluctuation. For example, the range corresponding to the first flow rate is [0.5, 1), the range corresponding to the second flow rate is [1, 3], and the range corresponding to the third flow rate is [3, 8], all in L / min.

[0112] Furthermore, based on the specific target oxygen supply method, when the oxygen demand index is in the first range, oxygen is supplied through the seat headrest via diffusion at the first flow rate; when the oxygen demand index is in the second range, oxygen is supplied through the air conditioning vent at the second flow rate; and when the oxygen demand index is in the third range, oxygen is supplied through the nasal cannula at the third flow rate.

[0113] When using headrests for diffused oxygen supply, a smaller flow rate can be used to avoid direct airflow onto the user's head. When using nasal cannulas for oxygen supply, a larger flow rate can be used to quickly provide the user with more oxygen.

[0114] The oxygen supply parameters include the humidity of the oxygen. In one embodiment, the humidity of the oxygen is determined based on the oxygen supply flow rate; wherein the humidity is positively correlated with the oxygen supply flow rate.

[0115] The specific humidity calculation is based on the dynamic model of respiratory moisture loss, and the corresponding humidity is obtained according to the evaporation rate and compensation requirements.

[0116] For example, when the oxygen demand index is in the first range, oxygen is supplied through the seat headrest by diffusion using a first flow rate and a first humidity; when the oxygen demand index is in the second range, oxygen is supplied through the air conditioning vent using a second flow rate and a second humidity; when the oxygen demand index is in the third range, oxygen is supplied through the nasal cannula using a third flow rate and a third humidity, wherein the first humidity is less than the second humidity, and the second humidity is less than the third humidity.

[0117] When using headrests for oxygen diffusion, considering that the headrests are filled with fabric or other materials, using oxygen with lower humidity for diffusion release helps keep the headrests dry. When using air conditioning vents for oxygen supply, the humidity of the air inhaled by the user is affected by both the humidity inside the vehicle and the humidity of the oxygen supply; the oxygen humidity is set with reference to the typical value of the humidity inside the vehicle. When using nasal cannulas for oxygen supply, the humidity of the air inhaled by the user is mainly affected by the humidity of the supplied oxygen; higher humidity helps keep the user's throat moist and improves user comfort.

[0118] For example, the oxygen supply method and oxygen supply parameters are set as shown in Table 2.

[0119] Table 2:

[0120] [0，0.3) Seat headrest diffuses oxygen supply [0.5，1) 40% RH [0.3,0.6) Oxygen supply from air conditioning vents [1，3) 50% RH [0.6,1.0] Nasal cannula oxygen supply [3，8] 60% RH

[0121] In actual implementation, when the oxygen demand index is in the first range, oxygen is supplied through the seat headrest by diffusion at the first flow rate, and the first humidity and first temperature compensation are used; when the oxygen demand index is in the second range, oxygen is supplied through the air conditioning vent by the second flow rate, and the second humidity and second temperature compensation are used; when the oxygen demand index is in the third range, oxygen is supplied through the nasal cannula by the third flow rate, and the third humidity and third temperature compensation are used.

[0122] It should be understood that, although Figure 2 The steps in the flowchart are shown sequentially as indicated by the arrows, but these steps are not necessarily executed in the order indicated by the arrows. Unless otherwise specified herein, there is no strict order in which these steps are executed, and they can be performed in other orders. Figure 2 At least some of the steps in the process may include multiple sub-steps or multiple stages. These sub-steps or stages are not necessarily completed at the same time, but can be executed at different times. The execution order of these sub-steps or stages is not necessarily sequential, but can be executed in turn or alternately with other steps or at least some of the sub-steps or stages of other steps.

[0123] In one embodiment, such as Figure 3 As shown, a vehicle oxygen supply device is provided, including: an acquisition module 210, a calculation module 220, and an execution module 230, wherein:

[0124] Module 210 is used to acquire altitude and blood oxygen saturation.

[0125] The calculation module 220 is used to determine the oxygen demand index based on altitude and blood oxygen saturation, wherein the oxygen demand index is positively correlated with altitude and negatively correlated with blood oxygen saturation.

[0126] The execution module 230 is used to determine the target oxygen supply method from the candidate oxygen supply methods based on the oxygen demand index, and to determine the value of the oxygen supply parameters based on the oxygen demand index. The candidate oxygen supply methods include at least two of the following: seat headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply.

[0127] The aforementioned vehicle oxygen supply device determines the oxygen demand index (ODI) based on altitude and blood oxygen saturation. The ODI is positively correlated with altitude and negatively correlated with blood oxygen saturation. The ODI can comprehensively reflect the oxygen demand by considering both altitude and the user's own condition. Based on the ODI, the target oxygen supply method and the values ​​of the oxygen supply parameters are determined, including oxygen supply through seat headrest diffusion, oxygen supply through air conditioning vents, or oxygen supply through nasal cannulas. The above process can identify the oxygen supply demand and select the oxygen supply method and adjust the values ​​of the oxygen supply parameters based on the demand, thereby meeting different levels of oxygen supply needs.

[0128] In one embodiment, the acquisition module 210 is further configured to acquire the vehicle's air circulation mode and the carbon dioxide concentration inside the vehicle, and the calculation module 220 is further configured to determine a first compensation coefficient based on the carbon dioxide concentration inside the vehicle when the air circulation mode is internal circulation mode, wherein the first compensation coefficient is positively correlated with the carbon dioxide concentration and the first compensation coefficient is greater than or equal to 1; and adjust the oxygen demand index based on the first compensation coefficient so that the execution module 230 determines the target oxygen supply mode and the value of the oxygen supply parameters based on the adjusted oxygen demand index.

[0129] In one embodiment, the calculation module 220 is further configured to determine a second compensation coefficient based on blood oxygen saturation when the altitude is greater than the altitude threshold and the blood oxygen saturation is less than the blood oxygen threshold, wherein the second compensation coefficient is negatively correlated with blood oxygen saturation and the second compensation coefficient is greater than or equal to 1; and adjust the oxygen demand index based on the second compensation coefficient so that the execution module 230 determines the target oxygen supply method and the value of the oxygen supply parameters based on the adjusted oxygen demand index.

[0130] In one embodiment, the blood oxygen threshold is determined based on altitude, wherein the blood oxygen threshold is negatively correlated with altitude.

[0131] In one embodiment, the execution module 230 is used to diffuse oxygen through the seat headrest when the oxygen demand index is in the first range.

[0132] When the oxygen demand index is in the second range, oxygen is supplied through the air conditioning vents.

[0133] When the oxygen demand index is in the third range, oxygen is supplied via nasal cannula;

[0134] Among them, the upper limit of the first interval is less than the lower limit of the second interval, and the upper limit of the second interval is less than the lower limit of the third interval.

[0135] In one embodiment, the execution module 230 determines the oxygen supply flow rate based on the oxygen demand index;

[0136] Among these factors, the oxygen supply flow rate is positively correlated with the oxygen demand index. The humidity of the oxygen is determined based on the oxygen supply flow rate; and the humidity is positively correlated with the oxygen supply flow rate.

[0137] Specific limitations regarding vehicle oxygen supply devices can be found in the above description of vehicle oxygen supply methods, and will not be repeated here. Each module in the aforementioned vehicle oxygen supply device can be implemented entirely or partially through software, hardware, or a combination thereof. These modules can be embedded in or independent of the processor in a computer device, or stored in the computer device's memory as software, so that the processor can call and execute the corresponding operations of each module.

[0138] In one embodiment, a computer device is provided, which may be a terminal, and its internal structure diagram may be as follows: Figure 4 As shown, the computer device includes a processor, memory, network interface, display screen, and input devices connected via a system bus. The processor provides computing and control capabilities. The memory includes non-volatile storage media and internal memory. The non-volatile storage media stores the operating system and computer programs. The internal memory provides an environment for the operation of the operating system and computer programs stored in the non-volatile storage media. The network interface is used to communicate with external terminals via a network connection. When the computer program is executed by the processor, it implements a vehicle oxygen supply method. The display screen can be an LCD screen or an e-ink screen. The input devices can be a touch layer covering the display screen, buttons, a trackball, or a touchpad on the computer device casing, or an external keyboard, touchpad, or mouse.

[0139] Those skilled in the art will understand that Figure 4 The structure shown is merely a block diagram of a portion of the structure related to the present invention and does not constitute a limitation on the computer device to which the present invention is applied. A specific computer device may include more or fewer components than those shown in the figure, or combine certain components, or have different component arrangements.

[0140] In one embodiment, a computer device is provided, including a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the computer program to perform the following steps:

[0141] Obtain altitude and blood oxygen saturation;

[0142] The oxygen demand index is determined based on altitude and blood oxygen saturation. The oxygen demand index is positively correlated with altitude and negatively correlated with blood oxygen saturation.

[0143] The target oxygen supply method is determined from the candidate oxygen supply methods based on the oxygen demand index, and the values ​​of the oxygen supply parameters are determined based on the oxygen demand index. The candidate oxygen supply methods include at least two of the following: seat headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply.

[0144] In one embodiment, the processor, when executing a computer program, also performs the following steps:

[0145] Obtain the vehicle's air circulation mode;

[0146] When the air circulation mode is in recirculation mode, the first compensation coefficient is determined based on the carbon dioxide concentration inside the vehicle. The first compensation coefficient is positively correlated with the carbon dioxide concentration and is greater than or equal to 1.

[0147] The oxygen demand index is adjusted based on the first compensation coefficient, and the target oxygen supply method and the values ​​of the oxygen supply parameters are determined based on the adjusted oxygen demand index.

[0148] In one embodiment, the processor, when executing a computer program, also performs the following steps:

[0149] When the altitude is greater than the altitude threshold and the blood oxygen saturation is less than the blood oxygen threshold, a second compensation coefficient is determined based on the blood oxygen saturation. The second compensation coefficient is negatively correlated with the blood oxygen saturation and is greater than or equal to 1.

[0150] The oxygen demand index is adjusted according to the second compensation coefficient, and the target oxygen supply method and the value of the oxygen supply parameters are determined based on the adjusted oxygen demand index.

[0151] In one embodiment, the processor, when executing a computer program, also performs the following steps:

[0152] The blood oxygen threshold is determined based on altitude, and the blood oxygen threshold is negatively correlated with altitude.

[0153] In one embodiment, the processor, when executing a computer program, also performs the following steps:

[0154] When the oxygen demand index is in the first range, oxygen is supplied through diffusion via the seat headrest;

[0155] When the oxygen demand index is in the second range, oxygen is supplied through the air conditioning vents.

[0156] When the oxygen demand index is in the third range, oxygen is supplied via nasal cannula;

[0157] Among them, the upper limit of the first interval is less than the lower limit of the second interval, and the upper limit of the second interval is less than the lower limit of the third interval.

[0158] In one embodiment, the processor, when executing a computer program, also performs the following steps:

[0159] Determine the oxygen supply flow rate based on the oxygen demand index;

[0160] Among them, oxygen supply flow rate is positively correlated with oxygen demand index.

[0161] In one embodiment, the processor, when executing a computer program, also performs the following steps:

[0162] Determine the humidity of the oxygen based on the oxygen supply flow rate;

[0163] Humidity is positively correlated with oxygen supply flow rate.

[0164] In one embodiment, a computer-readable storage medium is provided having a computer program stored thereon, the computer program performing the following steps when executed by a processor:

[0165] Obtain altitude and blood oxygen saturation;

[0166] The oxygen demand index is determined based on altitude and blood oxygen saturation. The oxygen demand index is positively correlated with altitude and negatively correlated with blood oxygen saturation.

[0167] The target oxygen supply method is determined from the candidate oxygen supply methods based on the oxygen demand index, and the values ​​of the oxygen supply parameters are determined based on the oxygen demand index. The candidate oxygen supply methods include at least two of the following: seat headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply.

[0168] In one embodiment, when the computer program is executed by a processor, it further performs the following steps:

[0169] Obtain the vehicle's air circulation mode;

[0170] When the air circulation mode is in recirculation mode, the first compensation coefficient is determined based on the carbon dioxide concentration inside the vehicle. The first compensation coefficient is positively correlated with the carbon dioxide concentration and is greater than or equal to 1.

[0171] The oxygen demand index is adjusted based on the first compensation coefficient, and the target oxygen supply method and the values ​​of the oxygen supply parameters are determined based on the adjusted oxygen demand index.

[0172] In one embodiment, when the computer program is executed by a processor, it further performs the following steps:

[0173] When the altitude is greater than the altitude threshold and the blood oxygen saturation is less than the blood oxygen threshold, a second compensation coefficient is determined based on the blood oxygen saturation. The second compensation coefficient is negatively correlated with the blood oxygen saturation and is greater than or equal to 1.

[0174] The oxygen demand index is adjusted according to the second compensation coefficient, and the target oxygen supply method and the value of the oxygen supply parameters are determined based on the adjusted oxygen demand index.

[0175] In one embodiment, when the computer program is executed by a processor, it further performs the following steps:

[0176] The blood oxygen threshold is determined based on altitude, and the blood oxygen threshold is negatively correlated with altitude.

[0177] In one embodiment, when the computer program is executed by a processor, it further performs the following steps:

[0178] When the oxygen demand index is in the first range, oxygen is supplied through diffusion via the seat headrest;

[0179] When the oxygen demand index is in the second range, oxygen is supplied through the air conditioning vents.

[0180] When the oxygen demand index is in the third range, oxygen is supplied via nasal cannula;

[0181] Among them, the upper limit of the first interval is less than the lower limit of the second interval, and the upper limit of the second interval is less than the lower limit of the third interval.

[0182] In one embodiment, when the computer program is executed by a processor, it further performs the following steps:

[0183] Determine the oxygen supply flow rate based on the oxygen demand index;

[0184] Among them, oxygen supply flow rate is positively correlated with oxygen demand index.

[0185] In one embodiment, when the computer program is executed by a processor, it further performs the following steps:

[0186] Determine the humidity of the oxygen based on the oxygen supply flow rate;

[0187] Humidity is positively correlated with oxygen supply flow rate.

[0188] Those skilled in the art will understand that all or part of the processes in the methods of the above embodiments can be implemented by a computer program instructing related hardware. The computer program can be stored in a non-volatile computer-readable storage medium. When executed, the computer program can include the processes of the embodiments of the above methods. Any references to memory, storage, databases, or other media used in the embodiments provided by this invention 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. By way of illustration and not limitation, RAM is available in various forms, such as static RAM (SRAM), dynamic RAM (DRAM), synchronous DRAM (SDRAM), dual data rate SDRAM (DDRSDRAM), enhanced SDRAM (ESDRAM), synchronous link DRAM (SLDRAM), RAMbus direct RAM (RDRAM), direct memory bus dynamic RAM (DRDRAM), and RAMbus dynamic RAM (RDRAM), etc.

[0189] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0190] The above embodiments only illustrate several implementation methods of the present invention, and their descriptions are relatively specific and detailed, but they should not be construed as limiting the scope of the invention patent. It should be noted that...

[0191] For those skilled in the art, without departing from the concept of the present invention,

[0192] Several modifications and improvements can be made, all of which fall within the scope of protection of this invention. Therefore, this...

[0193] The scope of protection for an invention patent shall be determined by the appended claims.

Claims

1. A method for supplying oxygen to a vehicle, characterized in that, include: Obtain altitude and blood oxygen saturation; Based on the altitude and the blood oxygen saturation, an oxygen demand index is determined, wherein the oxygen demand index is positively correlated with the altitude and negatively correlated with the blood oxygen saturation. The target oxygen supply method is determined from the candidate oxygen supply methods based on the oxygen demand index, and the value of the oxygen supply parameters is determined based on the oxygen demand index. The candidate oxygen supply methods include at least two of the following: seat headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply. The step of determining the target oxygen supply method from the candidate oxygen supply methods based on the oxygen demand index includes: When the oxygen demand index is in the first range, oxygen is supplied through diffusion via the seat headrest; When the oxygen demand index is in the second range, oxygen is supplied through the air conditioning outlet. When the oxygen demand index is in the third range, oxygen is supplied via a nasal cannula; Wherein, the upper limit of the first interval is less than the lower limit of the second interval, and the upper limit of the second interval is less than the lower limit of the third interval.

2. The vehicle oxygen supply method according to claim 1, characterized in that, After determining the oxygen demand index based on the altitude and blood oxygen saturation, the process also includes: Obtain the vehicle's air circulation mode; When the air circulation mode is the internal circulation mode, a first compensation coefficient is determined based on the carbon dioxide concentration inside the vehicle, wherein the first compensation coefficient is positively correlated with the carbon dioxide concentration and the first compensation coefficient is greater than or equal to 1. The oxygen demand index is adjusted according to the first compensation coefficient, so as to determine the target oxygen supply method and the value of the oxygen supply parameters based on the adjusted oxygen demand index.

3. The vehicle oxygen supply method according to claim 1, characterized in that, After determining the oxygen demand index based on the altitude and blood oxygen saturation, the process also includes: When the altitude is greater than the altitude threshold and the blood oxygen saturation is less than the blood oxygen threshold, a second compensation coefficient is determined based on the blood oxygen saturation, wherein the second compensation coefficient is negatively correlated with the blood oxygen saturation and the second compensation coefficient is greater than or equal to 1. The oxygen demand index is adjusted according to the second compensation coefficient, so as to determine the target oxygen supply method and the value of the oxygen supply parameters based on the adjusted oxygen demand index.

4. The vehicle oxygen supply method according to claim 3, characterized in that, Before determining the second compensation coefficient based on the blood oxygen saturation, the method further includes: The blood oxygen threshold is determined based on the altitude, wherein the blood oxygen threshold is negatively correlated with the altitude.

5. The vehicle oxygen supply method according to claim 1, characterized in that, The step of determining the oxygen supply parameters based on the oxygen demand index also includes: Determine the oxygen supply flow rate based on the oxygen demand index; The oxygen supply flow rate is positively correlated with the oxygen demand index.

6. The vehicle oxygen supply method according to claim 5, characterized in that, The step of determining the oxygen supply parameters based on the oxygen demand index also includes: Determine the humidity of the oxygen based on the oxygen supply flow rate; The humidity is positively correlated with the oxygen supply flow rate.

7. A vehicle oxygen supply device, characterized in that, The device includes: The acquisition module is used to obtain altitude and blood oxygen saturation. The calculation module is used to determine the oxygen demand index based on the altitude and the blood oxygen saturation, wherein the oxygen demand index is positively correlated with the altitude and negatively correlated with the blood oxygen saturation; An execution module is configured to determine a target oxygen supply method from candidate oxygen supply methods based on the oxygen demand index (ODI), and to determine the values ​​of oxygen supply parameters based on the ODI. The candidate oxygen supply methods include at least two of the following: seat headrest diffusion oxygen supply, air conditioning vent oxygen supply, and nasal cannula oxygen supply. The determination of the target oxygen supply method from the candidate oxygen supply methods based on the ODI includes: providing diffusion oxygen supply through the seat headrest when the ODI is in a first range; providing oxygen supply through the air conditioning vent when the ODI is in a second range; and providing oxygen supply through the nasal cannula when the ODI is in a third range. The upper limit of the first range is less than the lower limit of the second range, and the upper limit of the second range is less than the lower limit of the third range.

8. A computer device, comprising a memory, a processor, and a computer program stored in the memory and executable on the processor, characterized in that, When the processor executes the computer program, it implements the method according to any one of claims 1 to 6.

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

Images