Vehicle seat waist support air bag control method and electronic equipment

Abstract

The invention discloses a vehicle seat waist support air bag control method and electronic equipment. The vehicle seat waist support air bag control method comprises the steps that music inspiration duration, music breath holding duration and music expiration duration are obtained; in response to the start of the relieving mode, controlling the air pressure of the waist support air bag to be initial air pressure; the following steps are circularly executed until the relieving mode is finished: the waist support air bag is controlled to be inflated for continuous inflation duration, and the inflation duration is equal to the music inspiration duration; the waist support air bag is controlled to maintain pressure for a continuous pressure maintaining time length, and the pressure maintaining time length is equal to the music breath holding time length; and controlling the continuous deflation duration of the waist support air bag, wherein the deflation duration is equal to the music expiration duration. The inflation duration of the waist support air bag is controlled to be consistent with the music inspiration duration, the pressure maintaining duration of the waist support air bag is controlled to be consistent with the music breath holding duration, and the deflation duration of the waist support air bag is controlled to be consistent with the music expiration duration, so that the jacking / retreating completion time of the backrest supporting surface is synchronous with the music inspiration / expiration completion time; and passengers are helped to keep specific breathing rhythm.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicle-related technologies, and in particular to a vehicle seat lumbar support airbag control method, electronic equipment, storage medium, and computer program product. Background Art

[0002] Existing vehicle cockpits provide cockpit breathing training: when the vehicle cockpit enters the breathing training mode, it can link the seats, music and other functions to guide passengers into a specific breathing rhythm, such as the 478 breathing method (inhale for 4 seconds, hold your breath for 7 seconds, and exhale for 8 seconds), thereby helping passengers relax their body and mind, relieve anxiety, and promote sleep.

[0003] When the cabin enters the breathing training mode, the seat lumbar support simultaneously enters the relaxation mode. Through the inflation, pressure maintenance and deflation of the lumbar support air bag, the seat back support surface is lifted, maintained and retreated, matching the passenger's body's inhalation, breath holding and exhalation movements, so as to guide the passenger into a specific breathing rhythm.

[0004] However, in the breathing training mode of the prior art, the time when the backrest support surface is lifted up / retracted is not synchronized with the time when the music is inhaled / exhaled, resulting in the passenger being unable to maintain a specific breathing rhythm. Summary of the Invention

[0005] Based on this, it is necessary to provide a vehicle seat lumbar support air bag control method, electronic device, storage medium and computer program product to address the technical problem that the breathing training mode of the existing technology is not synchronized with the completion time of the backrest support surface lifting / retracting and the music inhalation / exhalation, which makes it impossible for passengers to maintain a specific breathing rhythm.

[0006] The present invention provides a vehicle seat lumbar support air bag control method, comprising:

[0007] Get the duration of music inhalation, music breath holding, and music exhalation;

[0008] In response to the start of the relief mode, the lumbar support air bag is controlled to have an initial pressure, wherein the lumbar support air bag pushes up the seat back support surface when inflating, maintains the seat back support surface when the lumbar support air bag maintains the pressure, and moves back the seat back support surface when the lumbar support air bag is deflated;

[0009] Repeat the following steps until the relaxation mode ends:

[0010] Controlling the duration of the lumbar support airbag inflation, wherein the inflation duration is equal to the duration of the music inhalation;

[0011] Controlling the duration of the waist support airbag pressure maintenance, wherein the pressure maintenance duration is equal to the music breath holding duration;

[0012] Control the duration of the waist support air bag deflation, and the deflation duration is equal to the exhalation duration of the music.

[0013] Furthermore, when the air pump of the waist support air bag has a pumping function and the waist support air bag is pumped with air and deflated with air valve, the deflation of the waist support air bag is controlled, including:

[0014] The lumbar support air bag is deflated through the air valve, and after each preset number of deflations, the lumbar support air bag is pumped out through the air pump.

[0015] Furthermore, after controlling the lumbar support air bag pressure to the initial pressure, the method further includes:

[0016] The target inflation pressure and target deflation pressure of the lumbar support air bag are determined based on the external force applied by the occupant on the seat back. The target inflation pressure is the target pressure at which the lumbar support air bag is inflated, and the target deflation pressure is the target pressure at which the lumbar support air bag is deflated.

[0017] Furthermore, determining the target inflation pressure and the target deflation pressure of the lumbar support air bag based on the external force applied by the occupant on the seat back includes:

[0018] Obtaining the external force applied by the occupant on the seat back when the lumbar support air bag pressure is the initial pressure as the occupant's initial external force;

[0019] When the occupant's initial external force is different from a standard external force, a standard lifting position and a standard restoring position of the backrest support surface are obtained, wherein the standard external force is the external force applied to the seat back by a standard-sized person when sitting in the seat, the standard lifting position is the target position of the backrest support surface when the lumbar support air bag is inflated by a standard-sized person when sitting in the seat, and the standard restoring position is the target position of the backrest support surface when the lumbar support air bag is deflated by a standard-sized person when sitting in the seat;

[0020] According to the relationship between the seat back support surface position, the lumbar support air bag pressure and the external force, the lumbar support air bag pressure corresponding to the occupant's initial external force and the standard lifting position is determined as the inflation target pressure, and the lumbar support air bag pressure corresponding to the occupant's initial external force and the standard recovery position is determined as the deflation target pressure.

[0021] Furthermore, the method of controlling the inflation duration of the waist support air bag, wherein the inflation duration is equal to the inhalation duration of the music, includes:

[0022] Calculate the required lumbar support bag inflation pressure change rate required to inflate from the current air pressure to the inflation target pressure, and the inflation duration is the music inspiration duration: V1n = (P1-Pr) / T3, where V1n is the required lumbar support bag inflation pressure change rate, P1 is the inflation target pressure, Pr is the current air pressure, and T3 is the music inspiration duration;

[0023] obtaining a real-time external force applied by the occupant to the seat back, and calculating, based on a relationship between a lumbar support airbag inflation pressure change rate, an air pump inflation flow rate, and the external force, an air pump inflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support airbag inflation pressure change rate as a waiting inflation flow rate;

[0024] The air pump is controlled to inflate the waist support air bag to the inflation target pressure using the air flow to be inflated.

[0025] Furthermore, when the air pump of the waist support air bag has a pumping function and the waist support air bag is pumped by the air pump and deflated by the air valve, the deflation duration of the waist support air bag is controlled, and the deflation duration is equal to the exhalation duration of the music, including:

[0026] Calculate the required lumbar support air bag deflation pressure change rate required to deflate from the inflation target pressure to the deflation target pressure, with the deflation duration equal to the music exhalation duration: V2n = (P1-P2) / T4, where V2n is the required lumbar support air bag deflation pressure change rate, P2 is the deflation target pressure, P1 is the inflation target pressure, and T4 is the music exhalation duration;

[0027] obtaining a real-time external force applied by the occupant on the seat back, and calculating, based on a relationship between a lumbar support air bag deflation pressure change rate, a lumbar support air bag deflation flow rate, and the external force, a lumbar support air bag deflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support air bag deflation pressure change rate as a waiting deflation flow rate;

[0028] According to the relationship between the deflation flow rate of the lumbar support air bag, the deflation duty cycle of the air valve and the air pump suction flow rate, the deflation duty cycle of the air valve and the air pump suction flow rate corresponding to the flow rate to be deflated are calculated, the duty cycle of the air valve of the lumbar support air bag is adjusted to the deflation duty cycle of the air valve corresponding to the flow rate to be deflated, and the air pump is controlled to use the air pump suction flow rate corresponding to the flow rate to be deflated to deflate the lumbar support air bag to the deflation target pressure.

[0029] Furthermore, when the air pump of the waist support air bag has no pumping function and the waist support air bag is deflated by an air valve, the method of controlling the deflation duration of the waist support air bag, and the deflation duration is equal to the exhalation duration of the music, includes:

[0030] Calculate the required lumbar support air bag deflation pressure change rate required to deflate from the inflation target pressure to the deflation target pressure, with the deflation duration equal to the music exhalation duration: V2n = (P1-P2) / T4, where V2n is the required lumbar support air bag deflation pressure change rate, P2 is the deflation target pressure, P1 is the inflation target pressure, and T4 is the music exhalation duration;

[0031] obtaining a real-time external force applied by the occupant on the seat back, and calculating, based on a relationship between a lumbar support air bag deflation pressure change rate, a lumbar support air bag deflation flow rate, and the external force, a lumbar support air bag deflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support air bag deflation pressure change rate as a waiting deflation flow rate;

[0032] Calculating the corresponding air valve deflation duty cycle according to the air flow to be deflated;

[0033] The duty cycle of the air valve of the waist support air bag is adjusted to the air valve deflation duty cycle.

[0034] The present invention provides an electronic device, comprising:

[0035] at least one processor; and,

[0036] a memory communicatively connected to at least one of the processors; wherein,

[0037] The memory stores instructions that can be executed by the at least one processor. The instructions are executed by the at least one processor to enable the at least one processor to perform the vehicle seat lumbar support airbag control method as described above.

[0038] The present invention provides a storage medium, wherein the storage medium stores computer instructions. When a computer executes the computer instructions, the storage medium is used to execute all steps of the vehicle seat lumbar support airbag control method as described above.

[0039] The present invention provides a computer program product, comprising a computer program / instruction, which implements the vehicle seat lumbar support airbag control method as described above when the computer program / instruction is executed by a processor.

[0040] The present invention obtains the duration of music inspiration, music breath-holding, and music exhalation, and controls the inflation duration of the lumbar support air bag to be consistent with the duration of music inspiration, controls the pressure-maintaining duration of the lumbar support air bag to be consistent with the duration of music breath-holding, and controls the deflation duration of the lumbar support air bag to be consistent with the duration of music exhalation, thereby synchronizing the time when the backrest support surface is lifted up / retracted with the time when the music inhales / exhales, thereby helping passengers maintain a specific breathing rhythm. BRIEF DESCRIPTION OF THE DRAWINGS

[0041] Figure 1 This is a flowchart of a vehicle seat lumbar support airbag control method according to an embodiment of the present invention;

[0042] Figure 2 This is a flowchart of a vehicle seat lumbar support airbag control method according to another embodiment of the present invention;

[0043] Figure 3 This is a flowchart of a method for controlling a lumbar support air bag in a vehicle seat air pump without a vacuum function according to a preferred embodiment of the present invention;

[0044] Figure 4 This is a flowchart of a method for controlling a lumbar support air bag in a vehicle seat with an air pump having an air extraction function according to a preferred embodiment of the present invention;

[0045] Figure 5 This is a flowchart of a vehicle seat lumbar support air bag control method according to a preferred embodiment of the present invention;

[0046] Figure 6 The figure is a schematic diagram of the hardware structure of an electronic device of the present invention. DETAILED DESCRIPTION

[0047] The following further describes specific embodiments of the present invention with reference to the accompanying drawings. Like components are denoted by like reference numerals. It should be noted that the terms "front," "rear," "left," "right," "up," and "down" used in the following description refer to directions in the accompanying drawings, and the terms "inward" and "outward" refer to directions toward or away from the geometric center of a particular component, respectively.

[0048] like Figure 1 FIG2 is a flowchart of a vehicle seat lumbar support airbag control method according to an embodiment of the present invention, comprising:

[0049] Step S101, obtaining the music inhalation duration, music breath holding duration, and music exhalation duration;

[0050] Step S102, in response to the start of the relaxation mode, controlling the air pressure of the lumbar support air bag to an initial air pressure, wherein the lumbar support air bag pushes up the seat back support surface when inflating, maintains the seat back support surface when the lumbar support air bag maintains the pressure, and retreats the seat back support surface when the lumbar support air bag deflates;

[0051] Repeat the following steps until the relaxation mode ends:

[0052] Step S103, controlling the duration of the lumbar support airbag inflation, wherein the duration of the inflation is equal to the duration of the music inhalation;

[0053] Step S104, controlling the waist support airbag to maintain pressure for a certain period of time, wherein the pressure maintaining period is equal to the music breath holding period;

[0054] Step S105, controlling the deflation duration of the waist support air bag, wherein the deflation duration is equal to the exhalation duration of the music.

[0055] Specifically, the present invention can be applied to electronic devices with processing capabilities, such as a controller of a vehicle, such as an electronic control unit (ECU) of a vehicle.

[0056] First, step S101 is executed to obtain the music inhalation duration, music breath holding duration, and music exhalation duration.

[0057] Among them, the music inhalation time, music breath holding time, and music exhalation time can be defined by the user, or the music information used in the soothing mode can be obtained. According to the music information, the pre-saved music inhalation time, music breath holding time, and music exhalation time can be obtained.

[0058] Then, in response to the start of the soothing mode, step S102 is executed to control the air pressure of the lumbar support air bag to the initial air pressure, the lumbar support air bag pushes up the seat back support surface when inflating, maintains the seat back support surface when the lumbar support air bag maintains the pressure, and retreats the seat back support surface when the lumbar support air bag deflates.

[0059] Specifically, when the relief mode begins, the lumbar support air bag is first deflated to an initial pressure, which can be 0, meaning the lumbar support air bag is emptied.

[0060] In some embodiments, controlling the lumbar support air bag pressure to an initial pressure includes:

[0061] The lumbar support airbag is deflated for a duration of T0, which moves the backrest support surface back to its initial position (lumbar support deflated). T0 is equal to the time it takes for the lumbar support to be deflated from full to empty.

[0062] Then, step S103 is executed to control the duration of the lumbar support air bag inflation, and the inflation duration is equal to the duration of the music inhalation.

[0063] Specifically, the waist support air bag is inflated and continues to be inflated for a time period T1, where T1 = the music inhalation time period T3.

[0064] Then, step S104 is executed to control the duration of the waist support air bag pressure maintenance, and the pressure maintenance duration is equal to the music breath holding duration.

[0065] Specifically, the waist support air bag maintains pressure (keeps air pressure) for a duration of T5, where T5 = the music breath-holding duration T8.

[0066] Then, step S105 is executed to control the deflation duration of the waist support air bag, and the deflation duration is equal to the exhalation duration of the music.

[0067] Specifically, the waist support air bag is deflated or evacuated and continues to deflate for a time period T2, where T2 = the music exhalation time period T4.

[0068] For lumbar supports whose air pumps do not have a vacuum function, they need to be deflated through the air valve, and the deflation time T2 ≥ the inflation time T1.

[0069] For lumbar supports with a pump function, deflate the backrest using the valve or pump. For every N0-1 deflation cycle, perform one pumping cycle. The deflation / pumping duration, T2, must be ≥ the inflation duration, T1. This logic restores the backrest support surface to its initial position, preventing it from rising too high.

[0070] In one embodiment, when the air pump of the waist support air bag has a pumping function and the waist support air bag is pumped with air and deflated with air valve, controlling the deflation of the waist support air bag includes:

[0071] The lumbar support air bag is deflated through the air valve, and after each preset number of deflations, the lumbar support air bag is pumped out through the air pump.

[0072] Specifically, the number of cycles N=0 is initialized. Before controlling the inflation of the waist support air bag, N=N+1 is set. After controlling the pressure holding time of the waist support air bag, and the pressure holding time is equal to the music breath holding time, it is determined whether N is equal to the preset number N0. If N=N0, the waist support air bag is evacuated through the air pump and the number of cycles is reset to zero. Otherwise, the waist support air bag is deflated through the air valve.

[0073] If the relaxation mode has not ended, steps S103 to S105 are repeatedly performed, and the relaxation mode ends when the total accumulated time T6 of inflation, deflation and pressure maintenance equals the relaxation mode time T7.

[0074] The present invention obtains the duration of music inspiration, music breath-holding, and music exhalation, and controls the inflation duration of the lumbar support air bag to be consistent with the duration of music inspiration, controls the pressure-maintaining duration of the lumbar support air bag to be consistent with the duration of music breath-holding, and controls the deflation duration of the lumbar support air bag to be consistent with the duration of music exhalation, thereby synchronizing the time when the backrest support surface is lifted up / retracted with the time when the music inhales / exhales, thereby helping passengers maintain a specific breathing rhythm.

[0075] like Figure 3 The flowchart of the control method of a lumbar support air bag of a vehicle seat air pump without a vacuum function is shown in the preferred embodiment of the present invention, including:

[0076] Step S301: Deflate the waist support air bag for a duration of T0;

[0077] Step S302: Inflate the waist support airbag for a duration of T1;

[0078] Step S303: The waist support air bag maintains pressure for a duration of T5;

[0079] Step S304: Deflate the waist support air bag for a duration of T2;

[0080] Step S305: If the total accumulated time T6 of the lumbar support air bag inflation, deflation and pressure maintenance is equal to the relief mode time T7, then the process ends; otherwise, the process proceeds to step S302.

[0081] like Figure 4 The flowchart of the control method of a lumbar support air bag of a vehicle seat air pump with a vacuum function is shown in the preferred embodiment of the present invention, including:

[0082] Step S401: Deflate the waist support air bag for a duration of T0;

[0083] Step S402, setting the number of lumbar support soothing cycles N=0;

[0084] Step S403, the cumulative number of cycles is N=N+1;

[0085] Step S404: Inflate the waist support airbag for a duration of T1;

[0086] Step S405: maintaining the pressure of the waist support air bag for a duration of T5;

[0087] Step S406: If N=N0, execute step S407; otherwise, execute step S409;

[0088] Step S407: The waist support air bag is evacuated by the air pump for a duration of T2;

[0089] Step S408, the number of cycles is reset to N=0, and step S410 is executed;

[0090] Step S409: the waist support air bag is deflated through the air valve for a duration of T2;

[0091] Step S410: If the total accumulated time T6 of the lumbar support air bag inflation, deflation and pressure holding is equal to the relief mode time T7, then the process ends; otherwise, the process proceeds to step S403.

[0092] like Figure 2 FIG2 is a flowchart of a vehicle seat lumbar support airbag control method according to another embodiment of the present invention, comprising:

[0093] Step S201, obtaining the music inhalation duration, music breath holding duration, and music exhalation duration.

[0094] In step S202, in response to the start of the relaxation mode, the lumbar support air bag is controlled to have an initial pressure. When the lumbar support air bag is inflated, the seat back support surface is lifted up. When the lumbar support air bag maintains the pressure, the seat back support surface is maintained. When the lumbar support air bag is deflated, the seat back support surface is retracted.

[0095] Step S203 , determining a target inflation pressure and a target deflation pressure of the lumbar support air bag based on the external force applied by the occupant on the seat back, wherein the target inflation pressure is the target pressure at which the lumbar support air bag is inflated, and the target deflation pressure is the target pressure at which the lumbar support air bag is deflated.

[0096] Repeat the following steps until the relaxation mode ends:

[0097] Step S204, calculating the required lumbar support bag inflation pressure change rate required to inflate from the current air pressure to the inflation target pressure, with the inflation duration being equal to the music inspiration duration: V1n = (P1-Pr) / T3, where V1n is the required lumbar support bag inflation pressure change rate, P1 is the inflation target pressure, Pr is the current air pressure, and T3 is the music inspiration duration;

[0098] obtaining a real-time external force applied by the occupant to the seat back, and calculating, based on a relationship between a lumbar support airbag inflation pressure change rate, an air pump inflation flow rate, and the external force, an air pump inflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support airbag inflation pressure change rate as a waiting inflation flow rate;

[0099] The air pump is controlled to inflate the waist support air bag to the inflation target pressure using the air flow to be inflated.

[0100] Step S205, controlling the waist support air bag to maintain pressure for a certain period of time, wherein the pressure maintaining period is equal to the music breath holding period.

[0101] Step S206, controlling the deflation duration of the waist support air bag, wherein the deflation duration is equal to the exhalation duration of the music.

[0102] Specifically, first, step S201 is executed to obtain the music inhalation duration, music breath holding duration, and music exhalation duration.

[0103] Among them, the music inhalation time, music breath holding time, and music exhalation time can be defined by the user, or the music information used in the soothing mode can be obtained. According to the music information, the pre-saved music inhalation time, music breath holding time, and music exhalation time can be obtained.

[0104] Then, in response to the start of the relief mode, step S202 is executed to control the air pressure of the lumbar support air bag to the initial air pressure, wherein the lumbar support air bag pushes up the seat back support surface when inflating, maintains the seat back support surface when the lumbar support air bag maintains the pressure, and retreats the seat back support surface when the lumbar support air bag deflates.

[0105] When the relaxation mode begins, the lumbar support air bag is first deflated to air pressure = P0, and the backrest support surface is actuated to the initial position. P0 is the initial air pressure, and P0 does not need to be limited to 0, that is, there is no limit on the lumbar support air bag from being emptied.

[0106] Then, step S203 is executed to determine the target inflation pressure and target deflation pressure of the lumbar support air bag based on the external force applied by the occupant on the seat back. The target inflation pressure is the target pressure at which the lumbar support air bag is inflated, and the target deflation pressure is the target pressure at which the lumbar support air bag is deflated.

[0107] Specifically, the system uses the backrest pressure sensor reading to determine the external force applied by the occupant on the seatback. Based on this force, the lumbar support bag's target inflation pressure (P1) and deflation pressure (P2) are dynamically adjusted, ensuring that passengers of all body sizes achieve the same calibrated and appropriate inhalation and exhalation positions. When the lumbar support bag is inflated to the target inflation pressure, the backrest support surface rises to the inhalation position. When the lumbar support bag is deflated to the target deflation pressure, the backrest support surface recedes to the exhalation position.

[0108] In one embodiment, determining the target inflation pressure and the target deflation pressure of the lumbar support air bag based on the external force applied by the occupant on the seat back includes:

[0109] Obtaining the external force applied by the occupant on the seat back when the lumbar support air bag pressure is the initial pressure as the occupant's initial external force;

[0110] When the occupant's initial external force is different from a standard external force, a standard lifting position and a standard restoring position of the backrest support surface are obtained, wherein the standard external force is the external force applied to the seat back by a standard-sized person when sitting in the seat, the standard lifting position is the target position of the backrest support surface when the lumbar support air bag is inflated by a standard-sized person when sitting in the seat, and the standard restoring position is the target position of the backrest support surface when the lumbar support air bag is deflated by a standard-sized person when sitting in the seat;

[0111] According to the relationship between the seat back support surface position, the lumbar support air bag pressure and the external force, the lumbar support air bag pressure corresponding to the occupant's initial external force and the standard lifting position is determined as the inflation target pressure, and the lumbar support air bag pressure corresponding to the occupant's initial external force and the standard recovery position is determined as the deflation target pressure.

[0112] Specifically, for the same seat and lumbar support system, the position of the backrest support surface is determined by the lumbar support air bag pressure and the external force applied by the passenger on the backrest. The greater the lumbar support air bag pressure, or the smaller the external force applied by the passenger on the backrest, the higher the backrest support surface position. Multiple sets of training data can be obtained through experiments, each set of training data includes the backrest support surface position, the lumbar support air bag pressure, and the external force applied by the passenger on the backrest. Training and fitting are performed on the multiple sets of training data to establish a first relationship H=f1(P, F), which represents the relationship between the seat backrest support surface position and the lumbar support air bag pressure and external force, where H is the backrest support surface position, P is the lumbar support air bag pressure, F is the external force applied by the passenger on the backrest, and f1 is the first function.

[0113] The external force applied by the occupant to the seat back is measured by the backrest pressure sensor. For the same initial backrest support surface position (lumbar support pressure = P0), the backrest pressure sensor reading for a standard-sized person is F0, used as the standard external force. The backrest pressure sensor reading for an actual passenger is F1, used as the initial external force.

[0114] When a standard-sized person is seated and the lumbar support bag pressures are P10 and P20, respectively, the backrest support surfaces are at the standard raised position H10 and the standard lowered position H20, respectively. These two positions are calibrated to be the appropriate inhalation and exhalation positions. When an actual passenger is seated and the lumbar support bag pressures are P1 and P2, respectively, the backrest support surfaces are at the raised position H1 and the lowered position H2, respectively.

[0115] If F1≠F0, the actual passenger is not of standard body shape. To ensure H1=H10 and H2=H20, so that the actual passenger can also obtain the calibrated appropriate inhalation position and exhalation position, H=H10 and F=F1 are substituted into the first relationship H=f1(P, F) to obtain the corresponding P value as the inflation target pressure. H=H20 and F=F1 are substituted into the relationship H=f1(P, F) to obtain the corresponding P value as the deflation target pressure.

[0116] Then in step S204, the actual passenger's lumbar support air bag pressure is adjusted to the inflation target pressure P1, so that the actual lifting position H1 = H10. In step S206, the actual passenger's lumbar support air bag pressure is adjusted to the deflation target pressure P2, so that the actual recovery position H2 = H20.

[0117] This embodiment dynamically adjusts the inflation target pressure and deflation target pressure of the lumbar support air bag according to the external force applied by the passenger on the seat back, so that passengers of different body sizes can obtain the same calibrated and appropriate inhalation position and exhalation position.

[0118] Then, step S204 is executed to calculate the required lumbar support bag inflation pressure change rate required to inflate from the current air pressure to the inflation target pressure, and the inflation duration is the music inspiration duration: V1n = (P1-Pr) / T3, where V1n is the required lumbar support bag inflation pressure change rate, P1 is the inflation target pressure, Pr is the current air pressure, and T3 is the music inspiration duration;

[0119] obtaining a real-time external force applied by the occupant to the seat back, and calculating, based on a relationship between a lumbar support airbag inflation pressure change rate, an air pump inflation flow rate, and the external force, an air pump inflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support airbag inflation pressure change rate as a waiting inflation flow rate;

[0120] The air pump is controlled to inflate the waist support air bag to the inflation target pressure using the air flow to be inflated.

[0121] Specifically, according to the time it takes for the lumbar support air bag to be inflated to the target air pressure P1, the air pump inflation flow rate Q1 is dynamically adjusted so that the subsequent lumbar support inflation action is synchronized with the music inhalation.

[0122] For the same seat and lumbar support system, the time (speed) it takes for the backrest support surface to lift up is determined by the air pump inflation flow rate and the external force applied by the passenger on the backrest. The greater the air pump inflation flow rate, or the smaller the external force applied by the passenger on the backrest, the faster the backrest support surface lifts up. Multiple sets of training data can be obtained through experiments, each set of training data includes the air pump inflation flow rate, the rate of change of the lumbar support air bag inflation pressure, and the external force applied by the passenger on the backrest. Training and fitting are performed on multiple sets of training data to establish a second relationship V1=f2(Q1, F) to express the relationship between the rate of change of the lumbar support air bag inflation pressure and the air pump inflation flow rate and external force, where V1 is the rate of change of the lumbar support air bag inflation pressure, Q1 is the air pump inflation flow rate, F is the external force applied by the passenger on the backrest, and f2 is the second function.

[0123] The lumbar support bag inflates from the current pressure Pr to the inflation target P1, with inflation time T1 = (P1-Pr) / V1. V1 is the rate of change of the lumbar support bag's inflation pressure, and the current pressure Pr can be obtained from the lumbar support bag's pressure sensor. Generally speaking, during the first inflation, the current pressure at the time of inflation is the initial pressure P0. During subsequent inflation and deflation, since inflation occurs after deflation to the deflation target pressure, the current pressure at the time of inflation is the deflation target pressure.

[0124] The duration of the music inhalation is T3. To ensure that the inflation time T1 equals the music inhalation time T3, the lumbar support inflation action is synchronized with the music inhalation. In the above formula, T3 is used instead of T1. The required lumbar support airbag inflation pressure change rate required for the inflation time to be the said music inhalation time is calculated as: V1n = (P1-Pr) / T3, where V1n is the required lumbar support airbag inflation pressure change rate, P1 is the inflation target pressure, Pr is the current pressure, and T3 is the music inhalation time.

[0125] Next, the real-time external force Fr exerted by the occupant on the seatback is obtained. V1 = V1n and F = Fr are substituted into the second equation V1 = f2(Q1, F), yielding the corresponding Q1 value as the desired inflation flow rate. The air pump inflation flow rate is adjusted to the desired inflation flow rate, such that T1 = T3. Methods for adjusting the air pump inflation flow rate include voltage control, resistance control, and power supply PWM duty cycle R1 control of the air pump motor.

[0126] Then, step S205 is executed to control the waist support air bag to maintain pressure for a certain period of time, and the pressure maintaining period is equal to the music breath holding period.

[0127] Then, step S206 is executed to control the deflation duration of the waist support air bag, and the deflation duration is equal to the exhalation duration of the music.

[0128] Specifically, the lumbar support airbag is deflated to the target deflation pressure. There are two deflation methods: valve deflation and pump exhaust. The pump exhaust flow rate is greater than the valve deflation flow rate. By dynamically adjusting the pump exhaust flow rate Q3 or the valve duty cycle, the lumbar support deflation action is synchronized with the exhalation of the music.

[0129] In one embodiment, when the air pump of the waist support air bag has a pumping function and the waist support air bag is pumped and deflated by the air valve, the method of controlling the deflation duration of the waist support air bag, wherein the deflation duration is equal to the exhalation duration of the music, includes:

[0130] Calculate the required lumbar support air bag deflation pressure change rate required to deflate from the inflation target pressure to the deflation target pressure, with the deflation duration equal to the music exhalation duration: V2n = (P1-P2) / T4, where V2n is the required lumbar support air bag deflation pressure change rate, P2 is the deflation target pressure, P1 is the inflation target pressure, and T4 is the music exhalation duration;

[0131] obtaining a real-time external force applied by the occupant on the seat back, and calculating, based on a relationship between a lumbar support air bag deflation pressure change rate, a lumbar support air bag deflation flow rate, and the external force, a lumbar support air bag deflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support air bag deflation pressure change rate as a waiting deflation flow rate;

[0132] According to the relationship between the deflation flow rate of the lumbar support air bag, the deflation duty cycle of the air valve and the air pump suction flow rate, the deflation duty cycle of the air valve and the air pump suction flow rate corresponding to the flow rate to be deflated are calculated, the duty cycle of the air valve of the lumbar support air bag is adjusted to the deflation duty cycle of the air valve corresponding to the flow rate to be deflated, and the air pump is controlled to use the air pump suction flow rate corresponding to the flow rate to be deflated to deflate the lumbar support air bag to the deflation target pressure.

[0133] Specifically, for the same seat and lumbar support system, the time (speed) for the backrest support surface to retreat is determined by the lumbar support air bag deflation flow rate and the external force applied by the passenger on the backrest. The greater the lumbar support air bag deflation flow rate, or the greater the external force applied by the passenger on the backrest, the faster the backrest support surface retreats. Multiple sets of training data can be obtained through experiments, each set of training data includes the lumbar support air bag deflation flow rate, the rate of change of the lumbar support air bag deflation pressure, and the external force applied by the passenger on the backrest. Training and fitting are performed on multiple sets of training data to establish a third relationship V2=f3(Q2, F) to express the relationship between the deflation pressure change rate, the lumbar support air bag deflation flow rate, and the external force, where V2 is the rate of change of the lumbar support air bag deflation pressure, Q2 is the lumbar support air bag deflation flow rate, F is the external force applied by the passenger on the backrest, and f3 is the third relationship.

[0134] For the same seat and lumbar support system (the air pump has a vacuum function), the lumbar support air bag deflation flow rate is determined by the air valve duty cycle and the air pump suction flow rate. Among them, the air valve deflation duty cycle is the proportion of air valve deflation in each cycle. The larger the air valve deflation duty cycle, or the larger the air pump suction flow rate, the larger the lumbar support air bag deflation flow rate. Multiple sets of training data can be obtained through experiments, and each set of training data includes the lumbar support air bag deflation flow rate, the air valve deflation duty cycle, and the air pump suction flow rate. Training and fitting are performed on multiple sets of training data to establish the fourth relationship Q2=f4(R2, Q3), where R2 is the air valve deflation duty cycle and Q3 is the air pump suction flow rate.

[0135] For systems with an air pump that can pump air, the lumbar support bag deflates from the inflation target pressure P1 to the deflation target pressure P2 at a deflation time of T2 = (P1 - P2) / V2, where V2 is the rate of change of the lumbar support bag's deflation pressure.

[0136] The duration of the musical exhalation is T4. To ensure that the deflation time T2 equals the musical exhalation time T4, and that the lumbar support deflation action is synchronized with the musical exhalation, T4 is used instead of T2 in the above formula. The required lumbar support bag deflation pressure change rate required to deflate from the inflation target pressure to the deflation target pressure, with a deflation time equal to the musical exhalation time, is calculated as: V2n = (P1-P2) / T4, where V2n is the required lumbar support bag deflation pressure change rate, P2 is the deflation target pressure, P1 is the inflation target pressure, and T4 is the musical exhalation time.

[0137] Then, the real-time external force Fr applied by the occupant on the seat back is obtained, and V2=V2n and F=Fr are substituted into the third relationship V2=f3(Q2, F) to obtain the corresponding Q2 value as the flow rate to be deflated.

[0138] Then, the deflated flow rate is substituted into the fourth equation, and the corresponding valve deflation duty cycle and air pump extraction flow rate are calculated when Q2 is the deflated flow rate. These are used as the valve deflation duty cycle and air pump extraction flow rate corresponding to the deflated flow rate. The duty cycle of the lumbar support air bag's air valve is adjusted to the valve deflation duty cycle corresponding to the deflated flow rate, and the air pump is controlled to use the air pump extraction flow rate corresponding to the deflated flow rate to deflate the lumbar support air bag to the deflation target pressure. Methods for adjusting the air pump extraction flow rate include voltage speed regulation, resistance speed regulation, and power supply PWM duty cycle R1 speed regulation of the air pump motor.

[0139] In some embodiments, the calculating of the air valve deflation duty cycle and the air pump exhaust flow corresponding to the to-be-deflated flow rate according to the relationship between the lumbar support air bag deflation flow rate, the air valve deflation duty cycle, and the air pump exhaust flow rate includes:

[0140] When the flow rate to be deflated is less than or equal to the preset flow rate threshold, the air pump exhaust flow rate is set to 0, and based on the relationship between the lumbar support air bag exhaust flow rate, the air valve exhaust duty cycle, and the air pump exhaust flow rate, the air valve exhaust duty cycle corresponding to the flow rate to be deflated when the air pump exhaust flow rate is 0 is calculated; or

[0141] When the flow rate to be deflated is greater than the preset flow rate threshold, the valve deflation duty cycle is set to 0. According to the relationship between the lumbar support air bag deflation flow rate, the valve deflation duty cycle and the air pump suction flow rate, the air pump suction flow rate corresponding to the flow rate to be deflated is calculated when the valve deflation duty cycle is 0.

[0142] Specifically, a flow rate threshold can be pre-calibrated based on the flow rate capacity of the air valve deflation. This flow rate threshold can be the lumbar support air bag deflation flow rate when the air valve deflation is working normally, or the maximum deflation flow rate of the air valve. When the deflation flow rate is less than or equal to the flow rate threshold, only the air valve can be used, and the air pump does not work, thereby reducing air pump noise. When the deflation flow rate is greater than the flow rate threshold, the air valve does not work, and only the air pump works, preventing the air pump from drawing air from the ambient atmosphere when the air valve deflation is open.

[0143] This embodiment is directed to a system in which the air pump has a pumping function, so that the lumbar support deflation action is synchronized with the exhalation of the music.

[0144] In one embodiment, when the air pump of the waist support air bag has no pumping function and the waist support air bag is deflated by an air valve, the method of controlling the deflation duration of the waist support air bag, wherein the deflation duration is equal to the exhalation duration of the music, includes:

[0145] Calculate the required lumbar support air bag deflation pressure change rate required to deflate from the inflation target pressure to the deflation target pressure, with the deflation duration equal to the music exhalation duration: V2n = (P1-P2) / T4, where V2n is the required lumbar support air bag deflation pressure change rate, P2 is the deflation target pressure, P1 is the inflation target pressure, and T4 is the music exhalation duration;

[0146] obtaining a real-time external force applied by the occupant on the seat back, and calculating, based on a relationship between a lumbar support air bag deflation pressure change rate, a lumbar support air bag deflation flow rate, and the external force, a lumbar support air bag deflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support air bag deflation pressure change rate as a waiting deflation flow rate;

[0147] Calculating the corresponding air valve deflation duty cycle according to the air flow to be deflated;

[0148] The duty cycle of the air valve of the waist support air bag is adjusted to the air valve deflation duty cycle.

[0149] Specifically, for the same seat and lumbar support system (without an air pump vacuum function), the lumbar support airbag deflation flow rate is determined by the air valve deflation duty cycle. A higher air valve deflation duty cycle results in a greater lumbar support airbag deflation flow rate. Multiple sets of training data can be obtained experimentally, each set including the lumbar support airbag deflation flow rate and the air valve deflation duty cycle. Training and fitting of these multiple sets of training data are performed to establish the fifth relationship Q2 = f5(R2), where R2 is the air valve deflation duty cycle and f5 is the fifth function.

[0150] For systems without an air pump, the lumbar support bag deflates from the inflation target pressure P1 to the deflation target pressure P2, and the deflation time is T2 = (P1-P2) / V2. To ensure that the deflation time T2 equals the music exhalation duration T4, so that the lumbar support deflation action is synchronized with the music exhalation, T4 can be used instead of T2. The required lumbar support bag deflation pressure change rate required to deflate from the inflation target pressure to the deflation target pressure, with the deflation duration equal to the music exhalation duration, is calculated as: V2n = (P1-P2) / T4, where V2n is the required lumbar support bag deflation pressure change rate, P2 is the deflation target pressure, P1 is the inflation target pressure, and T4 is the music exhalation duration.

[0151] Then, the real-time external force Fr applied by the occupant on the seat back is obtained, and V2=V2n and F=Fr are substituted into the third relationship V2=f3(Q2, F) to obtain the corresponding Q2 value as the flow rate to be deflated.

[0152] Then, substitute the flow rate to be deflated into the fifth relationship to calculate the valve deflation duty cycle corresponding to the flow rate to be deflated. Then, adjust the duty cycle of the lumbar support air bag's valve to the valve deflation duty cycle corresponding to the flow rate to be deflated.

[0153] This embodiment is aimed at a system where the air pump has no air extraction function, so that the lumbar support deflation action is synchronized with the exhalation of the music.

[0154] Finally, if the relaxation mode has not ended, steps S204 to S206 are repeatedly executed, and the relaxation mode ends when the total accumulated time T6 of inflation, deflation and pressure maintenance equals the relaxation mode time T7.

[0155] The initial position of the backrest support surface of this embodiment does not limit the lumbar support from being empty, and passengers of different body sizes can achieve the same calibrated and appropriate inhalation and exhalation positions. For passengers of different body sizes, the lumbar support inflation action can be synchronized with the inhalation of music, and the lumbar support deflation action can be synchronized with the exhalation of music.

[0156] like Figure 5 The flowchart of a vehicle seat lumbar support air bag control method according to the preferred embodiment of the present invention is shown, which includes:

[0157] Step S501, deflate the waist support air bag;

[0158] Step S502: If the lumbar support air bag pressure is less than or equal to the initial pressure P0, then execute step S503; otherwise, continue to execute step S501;

[0159] Step S503: If the backrest body pressure sensor reading F1 = F0, then execute step S504; otherwise, adjust the lumbar support air bag inflation target pressure P1 and deflation target pressure P2, and then execute step S504;

[0160] Step S504, calculating and adjusting the air pump inflation flow Q1 and the air pump power supply duty cycle R1 according to the music inhalation duration T3;

[0161] Step S505: The waist support air bag is inflated using an air pump, and the inflation time T1 is accumulated;

[0162] Step S506: If the lumbar support air bag pressure is greater than or equal to the inflation target pressure P1, then execute step S507; otherwise, continue to execute step S505;

[0163] Step S507: The waist support airbag maintains pressure for a duration of T5, where T5 = the music breath-holding duration T8.

[0164] Step S508: Calculate the deflation flow rate of the waist support bag based on the exhalation duration T4 of the music. If the air pump has a pumping function, adjust the deflation duty ratio of the air valve or the pumping flow rate of the air pump based on the deflation flow rate of the waist support bag. If the air pump does not have a pumping function, adjust the deflation duty ratio of the air valve based on the deflation flow rate of the waist support bag.

[0165] Step S509: The waist support air bag is pumped with air or deflated with air valve, and the deflation time T2 is accumulated;

[0166] Step S510: If the lumbar support air bag pressure is less than or equal to the deflation target pressure P2, then execute step S511; otherwise, continue to execute step S509;

[0167] Step S511: If the total accumulated time T6 of the lumbar support inflation, deflation and pressure maintenance is equal to the relaxation mode time T7, then the process ends; otherwise, the process continues with step S504.

[0168] It should be understood that the size of the serial numbers of the steps in the above embodiments does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present invention.

[0169] like Figure 6 FIG. 1 is a schematic diagram of the hardware structure of an electronic device of the present invention, comprising:

[0170] at least one processor 601; and,

[0171] A memory 602 in communication with at least one of the processors 601; wherein,

[0172] The memory 602 stores instructions that can be executed by at least one processor. The instructions are executed by at least one processor to enable the at least one processor to perform the vehicle seat lumbar support airbag control method as described above.

[0173] Figure 6 A processor 601 is taken as an example.

[0174] The electronic device may further include an input device 603 and a display device 604 .

[0175] The processor 601, the memory 602, the input device 603 and the display device 604 may be connected via a bus or other means, with the bus connection being used as an example in the figure.

[0176] The memory 602 is a non-volatile computer-readable storage medium that can be used to store non-volatile software programs, non-volatile computer executable programs, and modules, such as the program instructions / modules corresponding to the vehicle seat lumbar support airbag control method in the embodiment of the present application, for example, Figure 1 、 Figure 2 The processor 601 executes various functional applications and data processing by running the non-volatile software programs, instructions and modules stored in the memory 602, that is, implementing the vehicle seat lumbar support airbag control method in the above embodiment.

[0177] Memory 602 may include a program storage area and a data storage area. The program storage area may store an operating system and applications required for at least one function; the data storage area may store data generated based on the vehicle seat lumbar support airbag control method. Furthermore, memory 602 may include high-speed random access memory and non-volatile memory, such as at least one disk storage device, flash memory device, or other non-volatile solid-state memory device. In some embodiments, memory 602 may optionally include memory remote from processor 601. Such remote memory may be connected to the apparatus executing the vehicle seat lumbar support airbag control method via a network. Examples of such networks include, but are not limited to, the Internet, corporate intranets, local area networks, mobile communication networks, and combinations thereof.

[0178] The input device 603 can receive user clicks and generate signal input related to user settings and function control of the vehicle seat lumbar support airbag control method. The display device 604 can include a display device such as a display screen.

[0179] The one or more modules are stored in the memory 602 and, when executed by the one or more processors 601 , execute the vehicle seat lumbar support airbag control method in any of the above method embodiments.

[0180] The present invention obtains the duration of music inspiration, music breath-holding, and music exhalation, and controls the inflation duration of the lumbar support air bag to be consistent with the duration of music inspiration, controls the pressure-maintaining duration of the lumbar support air bag to be consistent with the duration of music breath-holding, and controls the deflation duration of the lumbar support air bag to be consistent with the duration of music exhalation, thereby synchronizing the time when the backrest support surface is lifted up / retracted with the time when the music inhales / exhales, thereby helping passengers maintain a specific breathing rhythm.

[0181] An embodiment of the present invention provides a storage medium storing computer instructions. When a computer executes the computer instructions, the computer is used to execute all steps of the vehicle seat lumbar support airbag control method as described above.

[0182] In the context of the present disclosure, a storage medium may be a tangible medium that may contain or store a program for use by or in conjunction with an instruction execution system, device, or apparatus. The storage medium may be a machine-readable signal medium or a machine-readable storage medium. Alternatively, the storage medium may be a non-transitory computer-readable storage medium, for example, a non-transitory computer-readable storage medium may be a ROM, a random access memory (RAM), a compact disc read-only memory (CD-ROM), a magnetic tape, a floppy disk, and an optical data storage device.

[0183] An embodiment of the present invention provides a computer program product, including a computer program / instruction, which, when executed by a processor, implements the vehicle seat lumbar support airbag control method as described above.

[0184] The above-described embodiments merely illustrate several implementations of the present invention, and while their descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the present invention. It should be noted that a person skilled in the art would be able to make numerous variations and improvements without departing from the spirit of the present invention, all of which fall within the scope of protection of the present invention. Therefore, the scope of protection of the present invention shall be determined by the appended claims.

Claims

1. A vehicle seat lumbar support airbag control method, characterized in that: include: Get the duration of music inhalation, music breath holding, and music exhalation; In response to the start of the relief mode, the lumbar support air bag is controlled to have an initial pressure, wherein the lumbar support air bag pushes up the seat back support surface when inflating, maintains the seat back support surface when the lumbar support air bag maintains the pressure, and moves back the seat back support surface when the lumbar support air bag is deflated; Repeat the following steps until the relaxation mode ends: Controlling the duration of the lumbar support airbag inflation, wherein the inflation duration is equal to the duration of the music inhalation; Controlling the duration of the waist support airbag pressure maintenance, wherein the pressure maintenance duration is equal to the music breath holding duration; Control the duration of the waist support air bag deflation, and the deflation duration is equal to the exhalation duration of the music.

2. The vehicle seat lumbar support airbag control method according to claim 1, characterized in that: When the air pump of the waist support air bag has a pumping function and the waist support air bag is pumped with the air pump and deflated with the air valve, the deflation control of the waist support air bag includes: The lumbar support air bag is deflated through the air valve, and after each preset number of deflations, the lumbar support air bag is pumped out through the air pump.

3. The vehicle seat lumbar support airbag control method according to claim 1, characterized in that: After controlling the air pressure of the waist support air bag to the initial air pressure, the method further includes: The target inflation pressure and target deflation pressure of the lumbar support air bag are determined based on the external force applied by the occupant on the seat back. The target inflation pressure is the target pressure at which the lumbar support air bag is inflated, and the target deflation pressure is the target pressure at which the lumbar support air bag is deflated.

4. The vehicle seat lumbar support airbag control method according to claim 3, characterized in that: Determining the target inflation pressure and the target deflation pressure of the lumbar support air bag based on the external force applied by the occupant on the seat back includes: Obtaining the external force applied by the occupant on the seat back when the lumbar support air bag pressure is the initial pressure as the occupant's initial external force; When the occupant's initial external force is different from a standard external force, a standard lifting position and a standard restoring position of the backrest support surface are obtained, wherein the standard external force is the external force applied to the seat back by a standard-sized person when sitting in the seat, the standard lifting position is the target position of the backrest support surface when the lumbar support air bag is inflated by a standard-sized person when sitting in the seat, and the standard restoring position is the target position of the backrest support surface when the lumbar support air bag is deflated by a standard-sized person when sitting in the seat; According to the relationship between the seat back support surface position, the lumbar support air bag pressure and the external force, the lumbar support air bag pressure corresponding to the occupant's initial external force and the standard lifting position is determined as the inflation target pressure, and the lumbar support air bag pressure corresponding to the occupant's initial external force and the standard recovery position is determined as the deflation target pressure.

5. The vehicle seat lumbar support airbag control method according to claim 3, characterized in that: The method of controlling the duration of the lumbar support air bag inflation, wherein the duration of the inflation is equal to the duration of the music inhalation, includes: Calculate the required lumbar support bag inflation pressure change rate required to inflate from the current air pressure to the inflation target pressure, and the inflation duration is the music inspiration duration: V1n = (P1-Pr) / T3, where V1n is the required lumbar support bag inflation pressure change rate, P1 is the inflation target pressure, Pr is the current air pressure, and T3 is the music inspiration duration; obtaining a real-time external force applied by the occupant to the seat back, and calculating, based on a relationship between a lumbar support airbag inflation pressure change rate, an air pump inflation flow rate, and the external force, an air pump inflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support airbag inflation pressure change rate as a waiting inflation flow rate; The air pump is controlled to inflate the waist support air bag to the inflation target pressure using the air flow to be inflated.

6. The vehicle seat lumbar support airbag control method according to claim 3, characterized in that: When the air pump of the waist support air bag has a pumping function and the waist support air bag uses the air pump to pump air and the air valve to deflate, the deflation time of the waist support air bag is controlled, and the deflation time is equal to the exhalation time of the music, including: Calculate the required lumbar support air bag deflation pressure change rate required to deflate from the inflation target pressure to the deflation target pressure, with the deflation duration equal to the music exhalation duration: V2n = (P1-P2) / T4, where V2n is the required lumbar support air bag deflation pressure change rate, P2 is the deflation target pressure, P1 is the inflation target pressure, and T4 is the music exhalation duration; obtaining a real-time external force applied by the occupant on the seat back, and calculating, based on a relationship between a lumbar support air bag deflation pressure change rate, a lumbar support air bag deflation flow rate, and the external force, a lumbar support air bag deflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support air bag deflation pressure change rate as a waiting deflation flow rate; According to the relationship between the deflation flow rate of the lumbar support air bag, the deflation duty cycle of the air valve and the air pump suction flow rate, the deflation duty cycle of the air valve and the air pump suction flow rate corresponding to the flow rate to be deflated are calculated, the duty cycle of the air valve of the lumbar support air bag is adjusted to the deflation duty cycle of the air valve corresponding to the flow rate to be deflated, and the air pump is controlled to use the air pump suction flow rate corresponding to the flow rate to be deflated to deflate the lumbar support air bag to the deflation target pressure.

7. The vehicle seat lumbar support airbag control method according to claim 3, characterized in that: When the air pump of the waist support air bag has no pumping function and the waist support air bag is deflated by an air valve, the method of controlling the deflation duration of the waist support air bag, and the deflation duration is equal to the exhalation duration of the music, includes: Calculate the required lumbar support air bag deflation pressure change rate required to deflate from the inflation target pressure to the deflation target pressure, with the deflation duration equal to the music exhalation duration: V2n = (P1-P2) / T4, where V2n is the required lumbar support air bag deflation pressure change rate, P2 is the deflation target pressure, P1 is the inflation target pressure, and T4 is the music exhalation duration; obtaining a real-time external force applied by the occupant on the seat back, and calculating, based on a relationship between a lumbar support air bag deflation pressure change rate, a lumbar support air bag deflation flow rate, and the external force, a lumbar support air bag deflation flow rate corresponding to the real-time external force applied by the occupant and the required lumbar support air bag deflation pressure change rate as a waiting deflation flow rate; Calculating the corresponding air valve deflation duty cycle according to the air flow to be deflated; The duty cycle of the air valve of the waist support air bag is adjusted to the air valve deflation duty cycle.

8. An electronic device, characterized in that: include: at least one processor; as well as, a memory communicatively connected to at least one of the processors; wherein, The memory stores instructions that can be executed by at least one processor, and the instructions are executed by at least one processor to enable at least one processor to perform the vehicle seat lumbar support airbag control method according to any one of claims 1 to 7.

9. A storage medium, characterized in that: The storage medium stores computer instructions, and when a computer executes the computer instructions, it is used to execute all steps of the vehicle seat lumbar support airbag control method according to any one of claims 1 to 7.

10. A computer program product comprising a computer program / instructions, characterized in that When the computer program / instruction is executed by a processor, the vehicle seat lumbar support airbag control method according to any one of claims 1 to 7 is implemented.

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