CN111559290B - Self-adaptive adjusting method, system, equipment and storage medium of automobile seat - Google Patents

Self-adaptive adjusting method, system, equipment and storage medium of automobile seat Download PDF

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Publication number
CN111559290B
CN111559290B CN202010358322.9A CN202010358322A CN111559290B CN 111559290 B CN111559290 B CN 111559290B CN 202010358322 A CN202010358322 A CN 202010358322A CN 111559290 B CN111559290 B CN 111559290B
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China
Prior art keywords
pressure value
pressure
group
air bag
passenger
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CN202010358322.9A
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CN111559290A (en
Inventor
蒯天任
翁勤武
俞洁
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Yanfeng Automotive Trim Systems Co Ltd
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Yanfeng Automotive Trim Systems Co Ltd
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/64—Back-rests or cushions
    • B60N2/66—Lumbar supports
    • B60N2/665—Lumbar supports using inflatable bladders
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/002—Seats provided with an occupancy detection means mounted therein or thereon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/037—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for occupant comfort, e.g. for automatic adjustment of appliances according to personal settings, e.g. seats, mirrors, steering wheel

Abstract

The invention discloses a self-adaptive adjusting method, a self-adaptive adjusting system, self-adaptive adjusting equipment and a storage medium of an automobile seat, wherein the automobile seat comprises a backrest component, an air bag is arranged in the backrest component, and the self-adaptive adjusting method comprises the following steps: presetting a corresponding relation between weight information and the pressure value of the air bag; acquiring a pressure value received by the seat; acquiring weight information of the passenger according to the pressure value; and controlling the air bag to inflate or deflate according to the weight information and the corresponding relation. The invention has the positive progress effects that: according to the invention, the automobile seat can be automatically adjusted according to different users by acquiring different weight information of the users and pressure values received by the seat, and the backrest component of the automobile seat is provided with the plurality of air bags, so that the hardness of the seat can be adjusted according to different body structures and different sitting postures of different passengers, and the comfort level of the users in the automobile can be improved.

Description

Self-adaptive adjusting method, system, equipment and storage medium of automobile seat
Technical Field
The invention relates to the field of adjustment of automobile seats, in particular to a self-adaptive adjustment method, a self-adaptive adjustment system, self-adaptive adjustment equipment and a storage medium of an automobile seat.
Background
Most of the existing automobile seats are manually adjusted, although the vehicles are more and more, people who can also be different in many times of the same vehicle drive or take, because everyone is different because of the posture characteristic, the corresponding best position is also different, if at every turn, the manual adjustment is required to be carried out according to the individual difference of the user, and the convenience of taking the vehicle by the user is reduced.
In addition, the seat is generally adjusted in such a manner that the front-rear position of the backrest or the height of the seat is adjusted, and the seat is adjusted in a relatively limited range, which also reduces the riding comfort of the user.
Disclosure of Invention
The invention aims to overcome the defects of low adjusting efficiency and limited adjusting range of the automobile seat in the prior art, and provides an automatic, efficient and personalized self-adaptive adjusting method, system, equipment and storage medium of the automobile seat.
The invention solves the technical problems through the following technical scheme:
the invention provides a self-adaptive adjusting method of an automobile seat, wherein the automobile seat comprises a backrest component, an air bag is arranged in the backrest component, and the self-adaptive adjusting method comprises the following steps:
presetting a corresponding relation between weight information and the pressure value of the air bag;
acquiring a pressure value received by the seat;
acquiring weight information of the passenger according to the pressure value;
and controlling the air bag to inflate or deflate according to the weight information and the corresponding relation.
Preferably, the car seat further includes a cushion, and further includes after the step of obtaining the pressure value received by the seat:
and judging whether a passenger sits on the cushion according to the pressure value, and if so, executing the step of acquiring the weight information of the passenger.
Preferably, a support member is connected below the seat cushion, the support member is provided with a first pressure sensor, and the adaptive adjustment method further includes:
presetting a first pressure threshold;
the step of judging whether the passenger sits on the seat cushion according to the pressure value comprises the following steps:
judging whether the pressure value received by the first pressure sensor is greater than or equal to the first pressure threshold value or not, and if so, confirming that a passenger sits on the cushion;
and/or the presence of a gas in the atmosphere,
the supporting component is provided with a plurality of groups of first pressure sensors, and the self-adaptive adjusting method further comprises the following steps:
presetting a corresponding first pressure interval for each group of the first pressure sensors;
the step of judging whether the passenger sits on the seat cushion according to the pressure value comprises the following steps:
and judging whether the pressure value received by each group of first pressure sensors is located in the corresponding first pressure interval, and if so, confirming that the passenger sits on the cushion.
Preferably, a plurality of groups of second pressure sensors are arranged in the backrest assembly, and a corresponding second pressure interval is preset in each group of second pressure sensors;
when the pressure value received by the first pressure sensor is judged to be larger than or equal to the first pressure value, whether the pressure value received by each group of the second pressure sensors is located in the corresponding second pressure interval is judged, and if yes, the passenger is confirmed to be seated on the cushion;
or the like, or, alternatively,
when the pressure value received by each group of the first pressure sensors is judged to be positioned in the corresponding first pressure interval, whether the pressure value received by each group of the second pressure sensors is judged to be positioned in the corresponding second pressure interval, and if yes, the passenger is confirmed to sit on the cushion.
Preferably, when it is confirmed that the occupant is seated on the seat cushion, the adaptive adjustment method further includes:
and judging whether the sitting posture information of the passenger can be measured or not according to the weight information of the passenger, and if so, executing the step of controlling the inflation or deflation of the air bag.
Preferably, a first group of the first pressure sensors, a second group of the first pressure sensors, and a third group of the first pressure sensors are disposed on the support member, and the step of determining whether the sitting posture information of the occupant is measurable according to the weight information of the occupant includes:
confirming that the sitting posture information of the passenger is measurable when the pressure value received by the first group of first pressure sensors is less than or equal to the pressure value acquired by the second group of first pressure sensors and the pressure value received by the second group of first pressure sensors is less than the pressure value received by the third group of first pressure sensors;
the seat cushion comprises a reference position, and the second group of first pressure sensors are arranged on the supporting component and aligned with the reference position;
the first group of first pressure sensors and the third group of first pressure sensors are respectively arranged at two sides of the second group of first pressure sensors, and the third group of pressure sensors are positioned at positions close to the backrest assembly.
Preferably, the step of obtaining the weight information of the passenger according to the pressure value comprises the following steps:
acquiring the real weight of the passenger according to the pressure value received by the first pressure sensor;
the step of controlling the inflation or deflation of the air bag comprises:
acquiring a target pressure value of the air bag according to the real weight;
and controlling the air bag to adjust to the target pressure value.
Preferably, the step of obtaining the target pressure value of the air bag according to the real weight comprises:
obtaining a target pressure value of the air bag through a target pressure formula, wherein the target pressure formula is as follows:
P＝k1a+k2bx+c
wherein k is1Represents a first predetermined parameter, k2Representing a second preset parameter, a representing a preset amount of collapse of the air bag, b representing a preset percentage of dispensing of the air bag, c representing a preset initial compensation value, and x representing the actual weight of the occupant.
Preferably, the backrest module comprises a backrest main body and side wings, the backrest main body comprises a first area and a second area, the first area is provided with a first group of air bags, the second area is provided with a second group of air bags, the first area is positioned above the second area, and the surface area of each air bag in the first group of air bags is smaller than that of each air bag in the second group of air bags;
a third group of air bags are arranged in the side wings; for each groupAir pocket, k in the target pressure formula1、k2And a, b and c are different, the first group of air bags corresponds to a first target pressure value, the second group of air bags corresponds to a second target pressure value, and the third group of air bags corresponds to a third target pressure value.
Preferably, an inflation module and an inflator are further arranged on the backrest main body, the inflation module comprises the second pressure sensor, and each group of air bags is provided with at least one second pressure sensor;
the step of controlling the air pocket to adjust to the target pressure value comprises:
for each group of air bags, detecting the current pressure value of the air bag through the corresponding second pressure sensor, if the current pressure value is smaller than the corresponding target pressure value, controlling the inflator pump to inflate the corresponding air bag through the inflation module, if the current pressure value is larger than the corresponding target pressure value, controlling the corresponding air bag to deflate through the inflation module, and if the current pressure value is equal to the corresponding target pressure value, keeping the pressure value of the corresponding air bag unchanged.
Preferably, the step of controlling the inflation or deflation of the air bag according to the weight information and the corresponding relationship further comprises:
and after the first preset time, acquiring the pressure value received by the cushion again, judging whether the passenger leaves or not according to the acquired pressure value again, and controlling the pressure value of the air bag to be adjusted to a preset initial pressure value if the passenger leaves.
The invention also provides a self-adaptive adjusting system of the automobile seat, the automobile seat comprises a backrest component, an air bag is arranged in the backrest component, and the self-adaptive adjusting system comprises: the device comprises a preset module, a pressure value receiving module, a weight obtaining module and an air bag adjusting module;
the preset module is used for presetting the corresponding relation between the weight information and the pressure value of the air bag;
the pressure value receiving module is used for acquiring a pressure value received by the seat;
the weight obtaining module is used for obtaining weight information of the passenger according to the pressure value;
the air bag adjusting module is used for controlling the air bag to inflate or deflate according to the weight information and the corresponding relation.
Preferably, the car seat further includes a cushion, the adjusting system further includes a passenger judging module, the pressure value receiving module is further configured to call the passenger judging module after obtaining the pressure value, the passenger judging module is configured to judge whether a passenger sits on the cushion according to the pressure value, and if so, the weight obtaining module is called.
Preferably, a support member is connected to a lower portion of the seat cushion, the support member is provided with a first pressure sensor, and the adaptive adjustment system further includes:
the first pressure threshold value presetting module is used for presetting a first pressure threshold value;
the passenger judging module is used for judging whether the pressure value received by the first pressure sensor is greater than or equal to the first pressure threshold value or not, and if so, confirming that a passenger sits on the cushion;
and/or the presence of a gas in the gas,
the supporting component is provided with a plurality of groups of first pressure sensors, and the self-adaptive adjusting system further comprises:
the first pressure interval presetting module is used for presetting a corresponding first pressure interval for each group of the first pressure sensors;
the passenger judging module is used for judging whether the pressure value received by each group of the first pressure sensors is located in the corresponding first pressure interval, and if so, the passenger is confirmed to be seated on the cushion.
Preferably, a plurality of groups of second pressure sensors are arranged in the backrest assembly, and a corresponding second pressure interval is preset in each group of second pressure sensors;
the weight judging unit is further used for judging whether the pressure value received by each group of the second pressure sensors is located in the corresponding second pressure interval or not when judging that the pressure value received by the first pressure sensor is larger than or equal to the first pressure value, and if so, confirming that a passenger sits on the cushion;
or the like, or, alternatively,
the weight judging unit is further used for judging whether the pressure value received by each group of the second pressure sensors is located in the corresponding second pressure interval or not when judging that the pressure value received by each group of the first pressure sensors is located in the corresponding first pressure interval, and if so, confirming that the passenger sits on the cushion.
Preferably, the adjusting system further comprises a sitting posture judging module, the sitting posture judging module is called when a passenger is confirmed to sit on the seat cushion, the sitting posture judging module is used for judging whether sitting posture information of the passenger is measurable, and if yes, the air bag adjusting module is called.
Preferably, a first group of the first pressure sensors, a second group of the first pressure sensors and a third group of the first pressure sensors are arranged on the supporting component;
the sitting posture judging module is used for confirming that the sitting posture information of the passenger can be measured when the pressure value received by the first group of first pressure sensors is smaller than or equal to the pressure value acquired by the second group of first pressure sensors and the pressure value received by the second group of first pressure sensors is smaller than the pressure value received by the third group of first pressure sensors;
the seat cushion comprises a reference position, and the second group of first pressure sensors are arranged on the supporting component and aligned with the reference position;
the first group of first pressure sensors and the third group of first pressure sensors are respectively arranged at two sides of the second group of first pressure sensors, and the third group of pressure sensors are positioned at positions close to the backrest assembly.
Preferably, the weight obtaining module is configured to obtain a real weight of the occupant according to the pressure value received by the first pressure sensor;
the air bag adjusting module is used for obtaining a target pressure value of the air bag according to the real weight and controlling the air bag to adjust to the target pressure value.
Preferably, the air bag adjusting module is configured to obtain a target pressure value of the air bag through a target pressure formula, where the target pressure formula is as follows:
P＝k1a+k2bx+c
wherein k is1Represents a first predetermined parameter, k2Representing a second preset parameter, a representing a preset amount of collapse of the air bag, b representing a preset percentage of dispensing of the air bag, c representing a preset initial compensation value, and x representing the actual weight of the occupant.
Preferably, the backrest module comprises a backrest main body and side wings, the backrest main body comprises a first area and a second area, the first area is provided with a first group of air bags, the second area is provided with a second group of air bags, the first area is positioned above the second area, and the surface area of each air bag in the first group of air bags is smaller than that of each air bag in the second group of air bags;
a third group of air bags are arranged in the side wings; k in the target pressure equation for each set of air pockets1、k2And a, b and c are different, the first group of air bags corresponds to a first target pressure value, the second group of air bags corresponds to a second target pressure value, and the third group of air bags corresponds to a third target pressure value.
Preferably, an inflation module and an inflator are further arranged on the backrest main body, the inflation module comprises the second pressure sensor, and each group of air bags is provided with at least one second pressure sensor;
the air bag adjusting module is used for detecting the current pressure value of each air bag through the corresponding second pressure sensor, if the current pressure value is smaller than the corresponding target pressure value, the inflation module is used for controlling the inflation pump to inflate the corresponding air bag, if the current pressure value is larger than the corresponding target pressure value, the inflation module is used for controlling the corresponding air bag to deflate, and if the current pressure value is equal to the corresponding target pressure value, the pressure value of the corresponding air bag is kept unchanged.
Preferably, the adjustment system further comprises: and the passenger leaving judging module is used for acquiring the pressure value received by the seat again after a first preset time, judging whether the passenger leaves or not according to the acquired pressure value again, and controlling the pressure value of the air bag to be adjusted to a preset initial pressure value if the passenger leaves.
The invention also provides an electronic device, which comprises a memory, a processor and a computer program stored on the memory and capable of running on the processor, wherein the processor executes the computer program to realize the self-adaptive adjustment method of the automobile seat.
The invention also provides a computer-readable storage medium, on which a computer program is stored which, when being executed by a processor, carries out the steps of the method for adaptive adjustment of a car seat as described above.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The invention has the positive progress effects that: according to the invention, the automobile seat can be automatically adjusted according to different users by acquiring different weight information of the users and pressure values received by the seat, and the backrest component of the automobile seat is provided with the plurality of air bags, so that the hardness of the seat can be adjusted according to different body structures and different sitting postures of different passengers, and the comfort level of the users in the automobile can be improved.
Drawings
Fig. 1 is a flowchart of an adaptive adjustment method of an automobile seat according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural view of a vehicle seat in embodiment 1 of the present invention.
Fig. 3 is a schematic block diagram of a backrest module according to embodiment 1 of the present invention.
FIG. 4 is a schematic view showing the distribution of air pockets in example 1 of the present invention.
Fig. 5 is a schematic structural view of an inflator module according to embodiment 1 of the present invention.
Fig. 6 is a schematic block diagram of an adaptive adjustment system for an automobile seat according to embodiment 2 of the present invention.
Fig. 7 is a schematic structural diagram of an electronic device in embodiment 3 of the present invention.
Detailed Description
The invention is further illustrated by the following examples, which are not intended to limit the scope of the invention.
Example 1
The present embodiment provides an adaptive adjustment method for a car seat, and fig. 1 shows a flowchart of the adaptive adjustment method in the present embodiment, including:
step 101, obtaining a pressure value received by the seat.
And 104, acquiring weight information of the passenger according to the pressure value.
And 105, controlling the air bag to inflate or deflate according to the weight information.
In order to avoid ineffective adjustment of the seat when a non-occupant is in the seat, in this embodiment, after step 101, the method may further include:
and step 102, judging whether a passenger sits on the seat according to the pressure value, if so, executing step 103, and if not, executing step 106. And step 106, confirming that no passenger sits on the seat.
In order to improve the comfort of the occupant, the occupant is provided with personalized seat adjustment for different sitting postures of the occupant, in this embodiment, step 102 may further include:
and 103, judging whether the sitting posture of the passenger can be measured or not according to the pressure value, if so, executing step 104, and if not, executing step 107.
Step 107, confirming that the sitting posture of the passenger is not measurable.
Fig. 2 shows a car seat of the present embodiment, which includes a backrest module 300 and a seat cushion 400, wherein a plurality of air bags are disposed in the backrest module, for example, the air bags are disposed on the foamed back of the backrest module, and can be adhered to the backrest main body plate of the backrest by an adhesive material. The supporting member 500 is connected below the seat cushion, the first pressure sensor is arranged on the supporting member 500, and step 102 can specifically determine whether a passenger sits on the seat cushion by detecting a pressure value received by the first pressure sensor, specifically, when the pressure value received by the first pressure sensor is greater than or equal to a first pressure threshold value, it is determined that the passenger sits on the seat cushion, and when the pressure value received by the first pressure sensor is less than the first pressure threshold value, it is determined that no passenger sits on the seat cushion.
In this embodiment, the support member 500 includes an upper support member 501, a slide 503 and a lower support member 502, wherein the first pressure sensor is disposed between the upper support member 501 and the lower support member 502, the slide 503 is connected to the lower support member 502, and the upper support member 501 is connected to the seat cushion 400. Specifically, the seat cushion 400, the upper support member 501, the first pressure sensor, the lower support member 502, and the slide 503 may be fixed by bolts, and the fixing manner among the members is only illustrated here, and is not limited thereto.
In order to improve the accuracy of the pressure sensors for detecting the weight of the passenger, the support member 500 may be provided with a plurality of sets of first pressure sensors, each set of first pressure sensors is preset with a corresponding first pressure interval, and in order to provide different strength support for different parts of the body of the passenger according to the weight information and the sitting posture of the passenger, wherein the first pressure intervals corresponding to the first pressure sensors of each set are different, and when the pressure values received by the first pressure sensors of each set are all located in the respective corresponding first pressure intervals, it is determined that the passenger sits on the seat cushion, the embodiment takes three sets of first pressure sensors as an example, as shown in fig. 2, three sets of first pressure sensors, namely a first set of first pressure sensor F1, a second set of first pressure sensor F2 and a third set of first pressure sensor F3, are provided between the upper support member 501 and the lower support member 502, each group of the first pressure sensors includes two first pressure sensors symmetrically distributed, and each group of the first pressure sensors can output a value when detecting the weight of the passenger, for example, the value output by each group of the first pressure sensors is an average value of the pressure values received by all the pressure sensors of the group, specifically, in this embodiment, the average value of the two pressure sensors.
In order to further improve the accuracy of the weight detection of the passenger by the pressure sensor in combination with the backrest component of the seat, the passenger can be further judged in combination with an air bag in the backrest component, wherein step 104 can specifically judge whether the passenger sits on the seat by detecting the pressure value received by the second pressure sensor, specifically, when the pressure value received by the second pressure sensor is greater than or equal to the second pressure threshold, it is determined that the passenger sits on the seat cushion, and when the pressure value received by the second pressure sensor is less than the first pressure threshold, it is determined that no passenger sits on the seat cushion.
In order to improve the accuracy of the second pressure sensors for detecting the weight of the passenger, a plurality of groups of second pressure sensors may be disposed in the backrest assembly of the seat, each group of second pressure sensors is preset with a corresponding second pressure interval, and in step 102, before the passenger sits on the seat cushion, if the pressure value received by each group of second pressure sensors is determined to be within the corresponding second pressure interval, the passenger is determined to sit on the seat cushion.
In this embodiment, if it is determined in step 102 that the passenger sits on the seat cushion, the generation of the seat belt reminder information may be triggered to remind the passenger to fasten the seat belt.
In order to determine whether the sitting posture of the occupant is measurable, in step 103, when the pressure value received by the first group of first pressure sensors F1 is less than or equal to the pressure value obtained by the second group of first pressure sensors F2, and the pressure value received by the second group of first pressure sensors F2 is less than the pressure value received by the third group of first pressure sensors F3, it is determined that the sitting posture information of the occupant is measurable. As shown in fig. 2, the seat cushion 400 includes a reference position H, the second group of first pressure sensors F2 is disposed on the supporting member 500 in alignment with the reference position H, the first group of first pressure sensors F1 and the third group of first pressure sensors F3 are disposed on two sides of the second group of first pressure sensors F2, respectively, and the third group of pressure sensors F3 is located near the backrest module 300.
In this embodiment, step 104 obtains the actual weight of the occupant according to the first group of first pressure sensors F1, the second group of first pressure sensors F2 and the third group of first pressure sensors F3, for example, the actual weight of the occupant can be calculated by the following formula:
W＝a1*M1+a2*M2+a3*M3
in the above formula, W represents the real weight of the occupant, a1, a2, a3 are coefficients obtained by fitting big data, and M1, M2, M3 are pressure values acquired by three groups of load cells. Specifically, the human body models 600 with different weights are placed on the automobile seat, the pressure values received by the sensors F1, F2 and F3 are respectively measured, and the formula is fitted according to the pressure values.
In step 105, a target pressure value of the air bag is obtained according to the real weight, and the air bag is controlled to be adjusted to the target pressure value. Specifically, a target pressure value of the air bag is obtained through a target pressure formula, the target pressure formula obtains a corresponding optimal position by placing human body models with different weights and different postures on the automobile seat cushion, the indentation amount of the air bag at each position on the automobile seat at the optimal position is further obtained, and the specific target pressure formula is as follows according to a formula obtained by fitting the indentation amount and the weights:
P＝k1a+k2bx+c
wherein k is1Represents a first predetermined parameter, k2Representing a second predetermined parameter, a representing a predetermined amount of collapse of the air bag, b representing a predetermined percentage of dispensing of the air bag, c representing a predetermined initial compensation value, and x representing the actual weight of the occupant.
Fig. 3 shows a module diagram of a backrest module in the present embodiment, and as shown in fig. 3, the backrest module 300 in the present embodiment includes a backrest main body 301 and side wings 302, the backrest main body 301 includes a first region 30 and a second region 31, the first region 30 is provided with a first set of air bags, the second region 31 is provided with a second set of air bags, and the first region 30 is located above the second region 31. It is shown by experimental data that the pressure value received by the first region 30 is generally smaller than the pressure value received by the second region 31, so that the first region 30 is generally a weak support region, the second region 31 is generally a strong support region, and the supporting force required to be provided by the air bags is relatively smaller because the force applied to the first region is small, so that the number of air bags distributed in the first region 30 can be smaller than that distributed in the second region 31, the surface area of each air bag in the first region 30 can be larger than that of each air bag in the second region 31, and the firmness of each air bag in the first region 30 can be smaller than that of each air bag in the second region 31, for example, the air bags in the first region 30 can be of a two-layer structure, and the air bags in the second region 31 can be of a three-layer structure.
The third set of air bags is disposed in the side wings 302, the air bags in the side wings 302 can be configured as air bags of a two-layer structure for fitting the human arm, and the target pressure formula fitted for each set of air bags is different, in other words, k in the target pressure formula is different1、k2A, b and c are different, and accordingly, the target pressure value is different for each set of air bags, the first set of air bags corresponds to a first target pressure value, the second set of air bags corresponds to a second target pressure value, and the third set of air bags corresponds to a third target pressure value.
Fig. 4 shows a modular schematic of the gas pockets in the present embodiment, wherein reference numeral 303 denotes a first group of gas pockets located in the first region 30, reference numeral 304 denotes a second group of gas pockets located in the second region 31, and reference numeral 305 denotes a third group of gas pockets located in the side flaps 302.
In order to realize the automatic inflation process for each set of air bags, the backrest module 300 may further include an inflation module and an inflator, the inflation module includes a second pressure sensor, each set of air bags is provided with at least one second pressure sensor, in this embodiment, each set of air bags is provided with one second pressure sensor, as shown in fig. 4, the first group of air bags 303 includes three second pressure sensors, each row includes two air bags, the two air bags in each row are connected through an air pipe, the two air bags in each row measure a current pressure value through one pressure sensor, the second group of air bags 304 includes two second pressure sensors, each row includes six air bags, each air bag detects a pressure value through one second pressure sensor, and the third group of air bags 305 includes one pressure sensor.
Step 105 specifically includes, for each set of air bags, detecting a current pressure value of the air bag through the corresponding second pressure sensor, if the current pressure value is smaller than the corresponding target pressure value, controlling the inflator pump to inflate the corresponding air bag through the inflation module, if the current pressure value is greater than the corresponding target pressure value, controlling the corresponding air bag to deflate through the inflation module, and if the current pressure value is equal to the corresponding target pressure value, keeping the pressure value of the corresponding air bag unchanged. In a specific implementation manner of the air bags shown in fig. 4, the inflation module further includes an air tube and an electromagnetic valve, wherein the air tube, the second sensor and the electromagnetic valve are connected through a three-way connection structure, the other end of the air tube is connected with the air bags, for the first group of air bags 303, two air bags in each row include the three-way connection structure, the current pressure of the air bags is detected through the corresponding second sensor, and then, the inflation or deflation of the corresponding air bags by the inflator is controlled through the opening and closing of the electromagnetic valve. For the second group of air bags 304, each exhaust bag comprises six air bags, the second group of air bags 304 comprises two rows of air bags, each exhaust bag is controlled all the way through the three-way connecting structure, and for the third group of air bags 305 arranged in the side wings 302, the whole air bags are controlled all the way through the three-way connecting structure.
Fig. 5 shows that the inflation module 306, the processing chip and several sets of three-way connection structures (a second pressure sensor, an air pipe and an electromagnetic valve) are all packaged in the inflation module 306, reference number 3061 of the attached table is an air inlet of an inflator pump, the inflator pump inflates the air bag through the air inlet 3061, reference number 3062 shows several inflation and deflation ports, one inflation and deflation port represents a path control,such as when an occupant is sitting in the seat, detecting that the current pressure value of the first exhaust air bag of the first group air bag 303 is less than the first target pressure value, the current pressure value of the first exhaust air bag of the second group air bag 304 is equal to the second target pressure value, and the current pressure value of the air bag of the third group air bag 305 is less than the third target pressure value, the solenoid valve corresponding to the first exhaust bag in the first group of air bags 303 is opened, the inflator pumps air through the air inlet 3061 of the inflator pump, then, gas is filled into the first exhaust bag in the first group of air bags 303 through the first charging and discharging port until the air pressure value is increased to the first target pressure value, the electromagnetic valve corresponding to the first exhaust bag in the second group of air bags 304 is closed, the pressure in the air bags is kept unchanged, the electromagnetic valve corresponding to the air bag in the third group of air bags 305 is closed, and the gas in the corresponding gas bag is discharged through the third charging and discharging port until the pressure value in the gas bag is reduced to a third target pressure value. It should be understood that the target pressure formula to which the air bags of each one-way control are fitted is different, in other words, k in the target pressure formula1、k2A, b and c are different, and thus the corresponding target pressure values are different.
In this embodiment, step 105 may further include the following steps:
and after the first preset time, acquiring the pressure value received by the cushion again, judging whether the passenger leaves or not according to the acquired pressure value, controlling the pressure value of the air bags to be adjusted to a preset initial pressure value if the passenger leaves, and keeping the pressure value of each air bag unchanged if the passenger does not leave.
Specifically, the manner of determining whether the passenger leaves is the same as the manner of determining whether the passenger sits on the seat in step 102, that is, when it is determined that no passenger sits on the seat, the passenger leaves is determined, and the specific determination manner refers to step 102, which is not described herein again.
In the embodiment, the inflation and deflation of air bags at different positions on the automobile seat can be automatically controlled according to the information whether the weight information and the sitting posture of the passenger are measurable, so that the self-adaptive adjustment process of the automobile seat is realized.
Example 2
Fig. 6 shows a schematic block diagram of the adaptive adjustment system in this embodiment, which includes a preset block 201, a pressure value receiving block 202, a weight obtaining block 203, and an air bag adjusting block 204.
The presetting module 201 is used for presetting the corresponding relation between the weight information and the pressure value of the air bag.
The pressure value receiving module 202 is configured to obtain a pressure value received by the seat.
The weight obtaining module 203 is used for obtaining weight information of the passenger according to the pressure value;
the air bag adjusting module 204 is used for controlling the air bag to inflate or deflate according to the weight information and the corresponding relationship.
In order to avoid invalid adjustment of the seat when a non-passenger is located on the seat, in this embodiment, the adjustment system further includes a passenger determination module 205, the pressure value receiving module 202 is further configured to invoke the passenger determination module 205 after obtaining the pressure value, the passenger determination module is configured to determine whether a passenger sits on the cushion according to the pressure value, if so, the weight obtaining module 203 is invoked, and if not, it is determined that no passenger sits on the seat.
In order to improve the comfort of the passenger, the passenger is adjusted with a personalized seat according to different sitting postures of the passenger, in this embodiment, the adjusting system further includes a sitting posture determining module 207, when the passenger determining module 205 determines that the passenger sits on the seat cushion, the sitting posture determining module 207 is called, the sitting posture determining module 207 is used for determining whether the sitting posture information of the passenger is measurable, if so, the air bag adjusting module 204 is called, and if not, the sitting posture of the passenger is not measurable.
Fig. 2 shows a car seat of the present embodiment, which includes a backrest module 300 and a seat cushion 400, wherein a plurality of air bags are disposed in the backrest module, for example, the air bags are disposed on the foamed back of the backrest module, and can be adhered to the backrest main body plate of the backrest by an adhesive material. The support member 500 is connected to the lower portion of the seat cushion, the first pressure sensor is disposed on the support member 500, and the passenger determination module 205 can specifically determine whether a passenger sits on the seat cushion by detecting a pressure value received by the first pressure sensor, specifically, when the pressure value received by the first pressure sensor is greater than or equal to a first pressure threshold value, it is determined that the passenger sits on the seat cushion, and when the pressure value received by the first pressure sensor is less than the first pressure threshold value, it is determined that no passenger sits on the seat cushion.
In this embodiment, the support member 500 includes an upper support member 501, a slide 503 and a lower support member 502, wherein the first pressure sensor is disposed between the upper support member 501 and the lower support member 502, the slide 503 is connected to the lower support member 502, and the upper support member 501 is connected to the seat cushion 400. Specifically, the seat cushion 400, the upper support member 501, the first pressure sensor, the lower support member 502, and the slide 503 may be fixed by bolts, and the fixing manner among the members is only illustrated here, and is not limited thereto.
In order to improve the accuracy of the pressure sensors for detecting the weight of the occupant, a plurality of sets of first pressure sensors may be disposed on the support component 500, the adjustment system in this embodiment may further include a threshold presetting module 206, configured to preset corresponding first pressure intervals for each set of first pressure sensors, and in order to provide supports with different forces for different parts of the body of the occupant according to the weight information and the sitting posture of the occupant, where the first pressure intervals corresponding to each set of first pressure sensors are different, the occupant determining module 205 is configured to determine that the occupant sits on the seat cushion when the pressure values received by each set of first pressure sensors are located in the respective corresponding first pressure intervals, and this embodiment takes three sets of first pressure sensors as an example, as shown in fig. 2, three sets of first pressure sensors are disposed between the upper support component 501 and the lower support component 502, the first pressure sensor F1, the second pressure sensor F2, and the third pressure sensor F3, wherein each of the first pressure sensors includes two first pressure sensors symmetrically distributed, and each of the first pressure sensors can output a value when detecting the weight of the occupant, for example, the value output by each of the first pressure sensors is an average value of the pressure values received by all the pressure sensors of the group, specifically, in the present embodiment, the average value is an average value of the two pressure sensors.
In order to further improve the accuracy of the weight detection of the passenger by the pressure sensor in combination with the backrest component of the seat, the passenger may be further determined by combination with an air bag in the backrest component, wherein the passenger determining module 205 may specifically determine whether the passenger sits on the seat by detecting the pressure value received by the second pressure sensor, specifically, when the pressure value received by the second pressure sensor is greater than or equal to the second pressure threshold, it is determined that the passenger sits on the seat, and when the pressure value received by the second pressure sensor is less than the first pressure threshold, it is determined that no passenger sits on the seat.
In order to improve the accuracy of the second pressure sensors for detecting the weight of the passenger, several groups of second pressure sensors may be disposed in the backrest assembly of the seat, each group of second pressure sensors is preset with a corresponding second pressure interval, and the passenger determining module 205 determines that the passenger sits on the seat cushion before determining that the passenger sits on the seat cushion if the pressure value received by each group of second pressure sensors is within the corresponding second pressure interval.
In this embodiment, if the passenger determining module 205 determines that a passenger sits on the seat cushion, it may be further configured to trigger generation of seat belt reminding information to remind the passenger to fasten a seat belt.
In order to determine whether the sitting posture of the occupant is measurable, the sitting posture determining module 207 is specifically configured to confirm that the sitting posture information of the occupant is measurable when the pressure value received by the first group of first pressure sensors F1 is less than or equal to the pressure value obtained by the second group of first pressure sensors F2, and the pressure value received by the second group of first pressure sensors F2 is less than the pressure value received by the third group of first pressure sensors F3; as shown in fig. 2, the seat cushion 400 includes a reference position H, the second group of first pressure sensors F2 is disposed on the supporting member 500 in alignment with the reference position H, the first group of first pressure sensors F1 and the third group of first pressure sensors F3 are disposed on two sides of the second group of first pressure sensors F2, respectively, and the third group of pressure sensors F3 is located near the backrest module 300.
In this embodiment, the weight obtaining module 203 may obtain the actual weight of the occupant according to the first group of first pressure sensors F1, the second group of first pressure sensors F2, and the third group of first pressure sensors F3, for example, the actual weight of the occupant may be calculated by the following formula:
W＝a1*M1+a2*M2+a3*M3
in the above formula, W represents the real weight of the occupant, a1, a2, a3 are coefficients obtained by fitting big data, and M1, M2, M3 are pressure values acquired by three groups of load cells. Specifically, the human body models 600 with different weights are placed on the automobile seat, the pressure values received by the sensors F1, F2 and F3 are respectively measured, and the formula is fitted according to the pressure values.
The air bag adjusting module 204 is configured to obtain a target pressure value of the air bag according to the real weight, and control the air bag to adjust to the target pressure value. Specifically, a target pressure value of the air bag is obtained through a target pressure formula, the target pressure formula obtains a corresponding optimal position by placing human body models with different weights and different postures on the automobile seat cushion, the indentation amount of the air bag at each position on the automobile seat at the optimal position is further obtained, and the specific target pressure formula is fit according to the indentation amount and the weights and is as follows:
P＝k1a+k2bx+c
wherein k is1Represents a first predetermined parameter, k2Representing a second predetermined parameter, a representing a predetermined amount of collapse of the air bag, b representing a predetermined percentage of dispensing of the air bag, c representing a predetermined initial compensation value, and x representing the actual weight of the occupant.
Fig. 3 shows a module diagram of a backrest module in the present embodiment, and as shown in fig. 3, the backrest module 300 in the present embodiment includes a backrest main body 301 and side wings 302, the backrest main body 301 includes a first region 30 and a second region 31, the first region 30 is provided with a first set of air bags, the second region 31 is provided with a second set of air bags, and the first region 30 is located above the second region 31. It is shown by experimental data that the pressure value received by the first region 30 is generally smaller than the pressure value received by the second region 31, so that the first region 30 is generally a weak support region, the second region 31 is generally a strong support region, and the supporting force required to be provided by the air bags is relatively smaller because the force applied to the first region is small, so that the number of air bags distributed in the first region 30 can be smaller than that distributed in the second region 31, the surface area of each air bag in the first region 30 can be larger than that of each air bag in the second region 31, and the firmness of each air bag in the first region 30 can be smaller than that of each air bag in the second region 31, for example, the air bags in the first region 30 can be of a two-layer structure, and the air bags in the second region 31 can be of a three-layer structure.
The third set of air bags is disposed in the side wings 302, the air bags in the side wings 302 can be configured as air bags of a two-layer structure for fitting the human arm, and the target pressure formula fitted for each set of air bags is different, in other words, k in the target pressure formula is different1、k2A, b and c are different, and accordingly, the target pressure value is different for each set of air bags, the first set of air bags corresponds to a first target pressure value, the second set of air bags corresponds to a second target pressure value, and the third set of air bags corresponds to a third target pressure value.
Fig. 4 shows a modular schematic of the gas pockets in the present embodiment, wherein reference numeral 303 denotes a first group of gas pockets located in the first region 30, reference numeral 304 denotes a second group of gas pockets located in the second region 31, and reference numeral 305 denotes a third group of gas pockets located in the side flaps 302.
In order to realize the automatic inflation process for each set of air bags, the backrest module 300 may further include an inflation module and an inflator, the inflation module includes a second pressure sensor, each set of air bags is provided with at least one second pressure sensor, in this embodiment, each set of air bags is provided with one second pressure sensor, as shown in fig. 4, the first group of air bags 303 includes three second pressure sensors, each row includes two air bags, the two air bags in each row are connected through an air pipe, the two air bags in each row measure a current pressure value through one pressure sensor, the second group of air bags 304 includes two second pressure sensors, each row includes six air bags, each air bag detects a pressure value through one second pressure sensor, and the third group of air bags 305 includes one pressure sensor.
The air bag adjusting module 204 is specifically configured to detect, for each group of air bags, a current pressure value of the air bag through the corresponding second pressure sensor, if the current pressure value is smaller than the corresponding target pressure value, control the inflator pump to inflate the corresponding air bag through the inflation module, if the current pressure value is greater than the corresponding target pressure value, control the corresponding air bag to deflate through the inflation module, and if the current pressure value is equal to the corresponding target pressure value, keep the pressure value of the corresponding air bag unchanged. In a specific implementation manner of the air bags shown in fig. 4, the inflation module further includes an air tube and an electromagnetic valve, wherein the air tube, the second sensor and the electromagnetic valve are connected through a three-way connection structure, the other end of the air tube is connected with the air bags, for the first group of air bags 303, two air bags in each row include the three-way connection structure, the current pressure of the air bags is detected through the corresponding second sensor, and then, the inflation or deflation of the corresponding air bags by the inflator is controlled through the opening and closing of the electromagnetic valve. For the second group of air bags 304, each exhaust bag comprises six air bags, the second group of air bags 304 comprises two rows of air bags, each exhaust bag is controlled all the way through the three-way connecting structure, and for the third group of air bags 305 arranged in the side wings 302, the whole air bags are controlled all the way through the three-way connecting structure.
FIG. 5 shows that the inflation module 306, the processing chip and the sets of three-way connection structures (the second pressure sensor, the air tube and the electromagnetic valve) are all packaged in the inflation module 306, reference number 3061 of the attached table is an air inlet of an inflator pump, the inflator pump inflates the air bag through the air inlet 3061, reference number 3062 shows that the sets of three-way connection structures are packaged in the inflation module 306, and the reference number 3062 of the attached table isAn inflation/deflation port, one of which represents a control path, when an occupant sits on the seat and detects that the current pressure value of the first exhaust bag of the first group of air bags 303 is smaller than a first target pressure value, the current pressure value of the first exhaust bag of the second group of air bags 304 is equal to a second target pressure value and the current pressure value of the air bag of the third group of air bags 305 is smaller than a third target pressure value, the electromagnetic valve corresponding to the first exhaust bag of the first group of air bags 303 is opened, the inflator pumps intake air through the air inlets 3061 of the inflator pumps, then the air is inflated into the first exhaust bag of the first group of air bags 303 through the first inflation/deflation port until the air pressure value is increased to the first target pressure value, the electromagnetic valve corresponding to the first exhaust bag of the second group of air bags 304 is closed, the pressure in the air bags is kept unchanged, the electromagnetic valve corresponding to the air bags of the third group of air bags 305 is closed, and the air in the corresponding air bags are exhausted through the third inflation/deflation port until the pressure value is reduced to the third target pressure value . It should be understood that the target pressure formula to which the air bags of each one-way control are fitted is different, in other words, k in the target pressure formula1、k2A, b and c are all different, and therefore the corresponding target pressure values are also different.
In this embodiment, the passenger leaving determining module 208 may further include a pressure value determining module, configured to obtain the pressure value received by the seat cushion again after a first preset time, and determine whether the passenger leaves according to the obtained pressure value, if the passenger leaves, control the pressure value of the air bag to be adjusted to the preset initial pressure value, and if the passenger does not leave, keep the pressure value of each air bag unchanged.
The specific manner of determining whether the passenger leaves by the passenger leaving determining module 208 is the same as the manner of determining whether the passenger sits on the seat by the weight obtaining module 203, that is, when it is determined that no passenger sits on the seat, it is determined that the passenger leaves, and the specific determining manner refers to the weight obtaining module 203, which is not described herein again.
In the embodiment, the inflation and deflation of air bags at different positions on the automobile seat can be automatically controlled according to the information whether the weight information and the sitting posture of the passenger are measurable, so that the self-adaptive adjustment process of the automobile seat is realized.
Example 3
The present embodiment provides an electronic device, which may be represented in the form of a computing device (for example, may be a server device), including a memory, a processor, and a computer program stored in the memory and running on the processor, where the processor, when executing the computer program, may implement the adaptive adjustment method for a car seat in embodiment 1.
Fig. 7 shows a schematic diagram of a hardware structure of the embodiment, and as shown in fig. 7, the electronic device 9 specifically includes:
at least one processor 91, at least one memory 92, and a bus 93 for connecting the various system components (including the processor 91 and the memory 92), wherein:
the bus 93 includes a data bus, an address bus, and a control bus.
Memory 92 includes volatile memory, such as Random Access Memory (RAM)921 and/or cache memory 922, and can further include Read Only Memory (ROM) 923.
Memory 92 also includes a program/utility 925 having a set (at least one) of program modules 924, such program modules 924 including, but not limited to: an operating system, one or more application programs, other program modules, and program data, each of which, or some combination thereof, may comprise an implementation of a network environment.
The processor 91 executes various functional applications and data processing, such as the adaptive adjustment method of the car seat in embodiment 1 of the present invention, by running the computer program stored in the memory 92.
The electronic device 9 may further communicate with one or more external devices 94, such as a keyboard, pointing device, etc. Such communication may be through an input/output (I/O) interface 95. Also, the electronic device 9 may communicate with one or more networks (e.g., a Local Area Network (LAN), a Wide Area Network (WAN), and/or a public network, such as the Internet) via the network adapter 96. The network adapter 96 communicates with the other modules of the electronic device 9 via the bus 93. It should be understood that although not shown in the figures, other hardware and/or software modules may be used in conjunction with the electronic device 9, including but not limited to: microcode, device drivers, redundant processors, external disk drive arrays, RAID (disk array) systems, tape drives, and data backup storage systems, etc.
It should be noted that although in the above detailed description several units/modules or sub-units/modules of the electronic device are mentioned, such a division is merely exemplary and not mandatory. Indeed, the features and functionality of two or more of the units/modules described above may be embodied in one unit/module, according to embodiments of the application. Conversely, the features and functions of one unit/module described above may be further divided into embodiments by a plurality of units/modules.
Example 4
The present embodiment provides a computer-readable storage medium on which a computer program is stored, which when executed by a processor, implements the steps of the adaptive adjustment method of a car seat in embodiment 1.
More specific examples, among others, that the readable storage medium may employ may include, but are not limited to: a portable disk, a hard disk, random access memory, read only memory, erasable programmable read only memory, optical storage device, magnetic storage device, or any suitable combination of the foregoing.
In a possible embodiment, the invention can also be implemented in the form of a program product comprising program code means for causing a terminal device to carry out the steps of a method for adaptive adjustment of a car seat according to embodiment 1 when said program product is run on said terminal device.
Where program code for carrying out the invention is written in any combination of one or more programming languages, the program code may be executed entirely on the user device, partly on the user device, as a stand-alone software package, partly on the user device and partly on a remote device or entirely on the remote device.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims (22)

1. An adaptive adjustment method of an automobile seat, wherein the automobile seat comprises a backrest assembly, and an air bag is arranged in the backrest assembly, and the adaptive adjustment method comprises the following steps:
presetting a corresponding relation between weight information and the pressure value of the air bag;
acquiring a pressure value received by the seat;
acquiring weight information of the passenger according to the pressure value;
controlling the air bag to inflate or deflate according to the weight information and the corresponding relation;
the automobile seat further comprises a cushion, a supporting component is connected below the cushion, and the supporting component comprises a first group of first pressure sensors, a second group of first pressure sensors and a third group of first pressure sensors;
confirming that the sitting posture information of the passenger is measurable when the pressure value received by the first group of first pressure sensors is less than or equal to the pressure value acquired by the second group of first pressure sensors and the pressure value received by the second group of first pressure sensors is less than the pressure value received by the third group of first pressure sensors;
the seat cushion comprises a reference position, and the second group of first pressure sensors are arranged on the supporting component and aligned with the reference position;
the first group of first pressure sensors and the third group of first pressure sensors are respectively arranged at two sides of the second group of first pressure sensors, and the third group of pressure sensors are positioned at positions close to the backrest assembly.
2. The adaptive adjustment method for the automobile seat according to claim 1, wherein the automobile seat further comprises a cushion, and the step of obtaining the pressure value received by the seat further comprises:
and judging whether a passenger sits on the cushion according to the pressure value, and if so, executing the step of acquiring the weight information of the passenger.
3. The adaptive adjustment method for an automobile seat according to claim 2, wherein a support member is connected below the seat cushion, and a first pressure sensor is provided on the support member, the adaptive adjustment method further comprising:
presetting a first pressure threshold;
the step of judging whether the passenger sits on the seat cushion according to the pressure value comprises the following steps:
judging whether the pressure value received by the first pressure sensor is larger than or equal to the first pressure threshold value or not, and if so, confirming that a passenger sits on the cushion;
and/or the presence of a gas in the gas,
the supporting component is provided with a plurality of groups of first pressure sensors, and the self-adaptive adjusting method further comprises the following steps:
presetting a corresponding first pressure interval for each group of the first pressure sensors;
the step of judging whether a passenger sits on the seat cushion according to the pressure value comprises the following steps:
and judging whether the pressure value received by each group of first pressure sensors is located in the corresponding first pressure interval, and if so, confirming that the passenger sits on the cushion.
4. The adaptive adjustment method for the automobile seat according to claim 3, wherein a plurality of groups of second pressure sensors are arranged in the backrest assembly, and each group of second pressure sensors is preset with a corresponding second pressure interval;
when the pressure value received by the first pressure sensor is judged to be larger than or equal to the first pressure value, whether the pressure value received by each group of the second pressure sensors is located in the corresponding second pressure interval is judged, and if yes, the passenger is confirmed to be seated on the cushion;
or the like, or, alternatively,
when the pressure value received by each group of the first pressure sensors is judged to be located in the corresponding first pressure interval, whether the pressure value received by each group of the second pressure sensors is judged to be located in the corresponding second pressure interval, and if so, the passenger is confirmed to be seated on the cushion.
5. The adaptive adjusting method of an automobile seat according to claim 4, wherein when it is confirmed that an occupant is seated on the seat cushion, the adaptive adjusting method further comprises:
and judging whether the sitting posture information of the passenger can be measured or not according to the weight information of the passenger, and if so, executing the step of controlling the inflation or deflation of the air bag.
6. The adaptive adjustment method of an automobile seat according to claim 5,
the step of obtaining the weight information of the passenger according to the pressure value comprises the following steps:
acquiring the real weight of the passenger according to the pressure value received by the first pressure sensor;
the step of controlling the inflation or deflation of the air bag comprises:
acquiring a target pressure value of the air bag according to the real weight;
and controlling the air bag to adjust to the target pressure value.
7. The adaptive adjustment method of an automobile seat according to claim 6, wherein the step of obtaining the target pressure value of the air bag according to the real body weight comprises:
obtaining a target pressure value of the air bag through a target pressure formula, wherein the target pressure formula is as follows:
P＝k1a+k2bx+c
wherein k is1Represents a first predetermined parameter, k2Representing a second preset parameter, a representing a preset amount of collapse of the air bag, b representing a preset percentage of dispensing of the air bag, c representing a preset initial compensation value, and x representing the actual weight of the occupant.
8. The adaptive adjustment method for automobile seats of claim 7, wherein the backrest module comprises a backrest main body and side wings, the backrest main body comprises a first region and a second region, the first region is provided with a first set of air bags, the second region is provided with a second set of air bags, the first region is located above the second region, and the surface area of each air bag in the first set of air bags is smaller than that of each air bag in the second set of air bags;
a third group of air bags are arranged in the side wings; k in the target pressure equation for each set of air pockets1、k2A, b and c are different, the first group of air bags corresponds to a first target pressure value, the second group of air bags corresponds to a second target pressure value, and the third group of air bags corresponds to a third target pressure value.
9. The adaptive adjustment method for the car seat according to claim 8, wherein an inflation module and an inflator are further disposed on the backrest main body, the inflation module includes the second pressure sensor, and at least one second pressure sensor is disposed in each set of air bags;
the step of controlling the air pocket to adjust to the target pressure value comprises:
for each group of air bags, detecting the current pressure value of the air bag through the corresponding second pressure sensor, if the current pressure value is smaller than the corresponding target pressure value, controlling the inflator pump to inflate the corresponding air bag through the inflation module, if the current pressure value is larger than the corresponding target pressure value, controlling the corresponding air bag to deflate through the inflation module, and if the current pressure value is equal to the corresponding target pressure value, keeping the pressure value of the corresponding air bag unchanged.
10. The adaptive adjustment method for vehicle seats according to any one of claims 1 to 9, wherein the step of controlling the inflation or deflation of the air bag according to the weight information and the correspondence further comprises:
and after the first preset time, acquiring the pressure value received by the seat again, judging whether the passenger leaves or not according to the acquired pressure value again, and controlling the pressure value of the air bag to be adjusted to a preset initial pressure value if the passenger leaves.
11. An adaptive adjustment system of car seat, car seat includes back subassembly, its characterized in that is provided with the air pocket in the back subassembly, adaptive adjustment system includes: the device comprises a preset module, a pressure value receiving module, a weight obtaining module and an air bag adjusting module;
the preset module is used for presetting the corresponding relation between the weight information and the pressure value of the air bag;
the pressure value receiving module is used for acquiring a pressure value received by the seat;
the weight obtaining module is used for obtaining weight information of the passenger according to the pressure value;
the air bag adjusting module is used for controlling the air bag to inflate or deflate according to the weight information and the corresponding relation;
the automobile seat further comprises a cushion, a supporting component is connected below the cushion, and a first group of first pressure sensors, a second group of first pressure sensors and a third group of first pressure sensors are arranged on the supporting component;
the sitting posture judging module is used for confirming that the sitting posture information of the passenger can be measured when the pressure value received by the first group of first pressure sensors is smaller than or equal to the pressure value acquired by the second group of first pressure sensors and the pressure value received by the second group of first pressure sensors is smaller than the pressure value received by the third group of first pressure sensors;
the seat cushion comprises a reference position, and the second group of first pressure sensors are arranged on the supporting component and aligned with the reference position;
the first group of first pressure sensors and the third group of first pressure sensors are respectively arranged at two sides of the second group of first pressure sensors, and the third group of pressure sensors are positioned at positions close to the backrest assembly.
12. The adaptive adjustment system for an automobile seat according to claim 11, wherein the automobile seat further comprises a cushion, the adjustment system further comprises a passenger determination module, the pressure value receiving module is further configured to invoke the passenger determination module after obtaining the pressure value, the passenger determination module is configured to determine whether a passenger sits on the cushion according to the pressure value, and if so, the weight obtaining module is invoked.
13. The adaptive adjustment system for an automobile seat according to claim 12, wherein a support member is connected below the seat cushion, the support member is provided with a first pressure sensor, and the adaptive adjustment system further comprises:
the first pressure threshold value presetting module is used for presetting a first pressure threshold value;
the passenger judging module is used for judging whether the pressure value received by the first pressure sensor is greater than or equal to the first pressure threshold value or not, and if so, confirming that a passenger sits on the cushion;
and/or the presence of a gas in the gas,
the supporting component is provided with a plurality of groups of first pressure sensors, and the self-adaptive adjusting system further comprises:
the first pressure interval presetting module is used for presetting a corresponding first pressure interval for each group of the first pressure sensors;
the passenger judging module is used for judging whether the pressure value received by each group of the first pressure sensors is located in the corresponding first pressure interval, and if so, the passenger is confirmed to be seated on the cushion.
14. The adaptive adjustment system for the automobile seat according to claim 13, wherein a plurality of sets of second pressure sensors are disposed in the backrest assembly, and each set of the second pressure sensors is preset with a corresponding second pressure interval;
the weight judging unit is further used for judging whether the pressure value received by each group of the second pressure sensors is located in the corresponding second pressure interval or not when the pressure value received by the first pressure sensor is judged to be larger than or equal to the first pressure value, and if so, confirming that the passenger sits on the cushion;
or the like, or, alternatively,
the weight judging unit is further used for judging whether the pressure value received by each group of the second pressure sensors is located in the corresponding second pressure interval or not when judging that the pressure value received by each group of the first pressure sensors is located in the corresponding first pressure interval, and if so, confirming that the passenger sits on the cushion.
15. The adaptive adjustment system for an automobile seat according to claim 14, further comprising a sitting posture determining module, wherein the sitting posture determining module is configured to call the sitting posture determining module when it is determined that a passenger sits on the seat cushion, and the sitting posture determining module is configured to determine whether sitting posture information of the passenger is measurable, and if so, call the air bag adjusting module.
16. The adaptive adjustment system for vehicle seats of claim 14,
the weight obtaining module is used for obtaining the real weight of the passenger according to the pressure value received by the first pressure sensor;
the air bag adjusting module is used for obtaining a target pressure value of the air bag according to the real weight and controlling the air bag to adjust to the target pressure value.
17. The adaptive adjustment system for vehicle seats of claim 16, wherein the air bag adjustment module is configured to obtain the target pressure value of the air bag through a target pressure equation, the target pressure equation being as follows:
P＝k1a+k2bx+c
wherein k is1Represents a first predetermined parameter, k2Representing a second preset parameter, a representing a preset amount of collapse of the air bag, b representing a preset percentage of dispensing of the air bag, c representing a preset initial compensation value, and x representing the actual weight of the occupant.
18. The adaptive adjustment system for vehicle seats of claim 17, wherein the backrest module comprises a backrest body and side wings, the backrest body comprises a first region and a second region, the first region is provided with a first set of air bags, the second region is provided with a second set of air bags, the first region is located above the second region, and the surface area of each air bag in the first set of air bags is smaller than the surface area of each air bag in the second set of air bags;
a third group of air bags are arranged in the side wings; k in the target pressure equation for each set of air pockets1、k2And a, b and c are different, the first group of air bags corresponds to a first target pressure value, the second group of air bags corresponds to a second target pressure value, and the third group of air bags corresponds to a third target pressure value.
19. The adaptive adjustment system for automobile seats of claim 18, wherein an inflation module and an inflator are further disposed on the backrest main body, the inflation module comprises the second pressure sensor, and at least one second pressure sensor is disposed in each air bag group;
the air bag adjusting module is used for detecting the current pressure value of each air bag through the corresponding second pressure sensor, if the current pressure value is smaller than the corresponding target pressure value, the inflation module is used for controlling the inflation pump to inflate the corresponding air bag, if the current pressure value is larger than the corresponding target pressure value, the inflation module is used for controlling the corresponding air bag to deflate, and if the current pressure value is equal to the corresponding target pressure value, the pressure value of the corresponding air bag is kept unchanged.
20. An adaptive adjustment system for car seats according to any of claims 11 to 19, characterized in that the adjustment system further comprises: and the passenger leaving judging module is used for acquiring the pressure value received by the seat again after a first preset time, judging whether the passenger leaves or not according to the acquired pressure value again, and controlling the pressure value of the air bag to be adjusted to a preset initial pressure value if the passenger leaves.
21. An electronic device comprising a memory, a processor and a computer program stored on the memory and executable on the processor, wherein the processor implements the adaptive adjustment method for a car seat according to any one of claims 1 to 10 when executing the computer program.
22. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method for adaptive adjustment of a car seat according to any one of claims 1 to 10.
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