CN115447530A - Control method, device, equipment and storage medium for safety belt adjustment - Google Patents

Control method, device, equipment and storage medium for safety belt adjustment Download PDF

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Publication number
CN115447530A
CN115447530A CN202211186685.4A CN202211186685A CN115447530A CN 115447530 A CN115447530 A CN 115447530A CN 202211186685 A CN202211186685 A CN 202211186685A CN 115447530 A CN115447530 A CN 115447530A
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China
Prior art keywords
lock catch
seat
driving device
drive
move
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Granted
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CN202211186685.4A
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Chinese (zh)
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CN115447530B (en
Inventor
何继锟
陈建设
彭宇
周政权
袁绍芹
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Dongfeng Liuzhou Motor Co Ltd
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Dongfeng Liuzhou Motor Co Ltd
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Publication of CN115447530A publication Critical patent/CN115447530A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • B60R22/18Anchoring devices
    • B60R22/20Anchoring devices adjustable in position, e.g. in height
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00Electric 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
    • B60R16/02Electric 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
    • B60R16/037Electric 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
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R22/00Safety belts or body harnesses in vehicles
    • B60R22/18Anchoring devices
    • B60R22/20Anchoring devices adjustable in position, e.g. in height
    • B60R2022/208Anchoring devices adjustable in position, e.g. in height by automatic or remote control means

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Automotive Seat Belt Assembly (AREA)

Abstract

The invention discloses a control method, a device, equipment and a storage medium for adjusting a safety belt, wherein the safety belt comprises a lock catch, a lock tongue, a woven belt, a first driving device and a pressure sensor which are arranged on a vehicle body, the pressure sensor is arranged on the inner wall of a slot of the lock catch, and the control method for adjusting the safety belt comprises the following steps: after the spring bolt is inserted into the slot of the lock catch, acquiring pressure information of the spring bolt acting on the side wall of the lock catch; and controlling the first driving device to drive the lock catch to drive the lower end of the woven belt to move back and forth according to the pressure information. The acting force between the lock catch and the spring bolt is measured by arranging the pressure sensor on the inner wall of the slot of the lock catch, so that the stress balance degree of the mesh belt is indirectly reflected, the first driving device is controlled to drive the front and back movement of the lower end of the mesh belt according to the pressure information, the position and the angle of the mesh belt are adjusted, the acting force between the lock catch and the spring bolt is balanced, the passenger experience is comfortable, and the problem that the comfort degree of the crowd of the existing safety belt for different body types is not good is solved.

Description

Control method, device, equipment and storage medium for safety belt adjustment
Technical Field
The invention relates to the field of motor vehicles, in particular to a method, a device, equipment and a storage medium for controlling safety belt adjustment.
Background
When a vehicle model is developed, different types of safety belts and safety belt buckles are adopted on the basis of safety, most of the safety belt buckles are fixed on the seat at the present stage, and the adjusting direction is limited. For different crowds, such as obese people and women or pregnant women with small stature, the safety belt is different in restraint range and angle, uncomfortable to take, and potential safety hazards can exist due to poor wrapping performance.
Disclosure of Invention
The invention mainly aims to provide a control method, a control device, control equipment and a storage medium for adjusting a safety belt, and aims to solve the problem that the existing safety belt is poor in comfort degree for people with different body types.
In order to achieve the above object, the present invention provides a control method for adjusting a seat belt, wherein the seat belt includes a buckle, a lock tongue, a webbing, a first driving device and a pressure sensor, the buckle, the tongue, the webbing, the first driving device and the pressure sensor are arranged on a vehicle body, the first driving device is in driving connection with the buckle and is used for driving the buckle to move along a front-back direction of the vehicle body, the buckle is formed with a slot for the lock tongue to be inserted into, the lock tongue is provided with a first mounting hole for the lower end of the webbing to be mounted, the lower end of the webbing is mounted in the first mounting hole and is fixedly connected with a waist fixing portion, the buckle and the waist fixing portion are arranged on two sides of a seat, and the pressure sensor is arranged on an inner wall of the slot;
the method for controlling the adjustment of the seat belt comprises the following steps:
after the spring bolt is inserted into the slot of the lock catch, acquiring pressure information of the spring bolt acting on the side wall of the lock catch;
and controlling the first driving device to drive the lock catch to drive the lower end of the woven belt to move back and forth according to the pressure information.
Optionally, after the tongue is inserted into the slot of the buckle, the step of obtaining the pressure information of the tongue acting on the side wall of the buckle includes:
acquiring a first pressure value acting on a front side wall of the slot at the front side and a second pressure value acting on a rear side wall of the slot at the rear side;
the step of controlling the first driving device to drive the lock catch to move to drive the lower end of the mesh belt to move back and forth according to the pressure information comprises the following steps:
when the first pressure value is larger than the second pressure value, controlling the first driving device to drive the lock catch to move forwards;
and when the first pressure value is smaller than the second pressure value, controlling the first driving device to drive the lock catch to move backwards.
Optionally, the safety belt further comprises a retractor, a second driving device and a shoulder fixing part which is fixed on the vehicle body and located above the waist fixing part, the shoulder fixing part is formed with a second mounting hole, the upper end part of the webbing is arranged in the second mounting hole in a penetrating manner and is fixedly connected with the retractor, and the second driving device is in driving connection with the shoulder fixing part and is used for driving the shoulder fixing part to move along the vehicle body in the vertical direction and the front-back direction;
the steps of the control method for seat belt adjustment further include:
acquiring personnel information of personnel on a seat, wherein the personnel information comprises personnel sitting height parameters;
and controlling the second driving device to drive the shoulder fixing part to drive the upper end of the braid to move up and down and back and forth according to the personnel sitting height parameter.
Optionally, the step of obtaining the person information of the passenger in the seat, wherein the person information includes a parameter of the height of the person includes:
acquiring image information of a person on the seat;
and determining a sitting height parameter H1 of the person on the seat according to the image information.
Optionally, the step of controlling the second driving device to drive the shoulder fixing part to drive the upper end of the webbing to move up and down and back and forth according to the sitting height parameter of the person includes:
determining a first set height H2 between the shoulder fixing part and the floor of the vehicle body according to the personnel sitting height parameter H1, wherein H1-25cm is more than or equal to H2 and is more than or equal to H1-15cm;
acquiring an initial height H0 between the shoulder fixing part and a floor of the vehicle body;
when H0 is less than H2, controlling the second driving device to drive the shoulder fixing part to move upwards by a distance H2-H0;
and when H0 is larger than H2, controlling the second driving device to drive the shoulder fixing part to move downwards by a distance H0-H2.
Optionally, the safety belt further comprises a third driving device, and the third driving device is in driving connection with the lock catch and is used for driving the lock catch to move up and down;
the personnel information further includes a measured abdominal circumference parameter of the personnel, and the step of obtaining the personnel information of the personnel sitting on the seat further includes:
acquiring an initial distance S1 between the lock catch and the seat in the front-back direction;
acquiring the measured abdominal circumference parameter L1 of a passenger on the seat;
and when the measured abdominal circumference L1 is larger than the preset abdominal circumference L0, controlling the third driving device to drive the lock catch to move upwards.
Optionally, the step of obtaining the measured abdominal circumference parameter L1 of the seated passenger comprises:
calculating the width W1 of the abdomen and the thickness D1 of the abdomen in the front-back direction of the person on the seat according to the image information;
calculating a measured abdominal circumference L1 of the person in the seat from the width W1 of the abdomen and the thickness D1 of the abdomen, wherein L1=0.5 pi W2+2W1-W2.
The present invention also provides a control device for adjusting a seat belt, the control device for adjusting a seat belt comprising:
the acquisition module is used for acquiring pressure information of the pressure sensor;
and the execution module is used for controlling the first driving device to drive the lock catch to move so as to drive the lower end of the woven belt to move back and forth according to the pressure information.
The present invention also provides a control apparatus for seat belt adjustment, including: the safety belt adjusting device comprises a memory, a processor and a safety belt adjusting control program which is stored on the memory and can run on the processor, wherein the safety belt adjusting control program is configured to realize the safety belt adjusting control method.
The invention also provides a storage medium, wherein a control program for the safety belt adjustment is stored in the storage medium, and the control program for the safety belt adjustment is executed by a processor to realize the control method for the safety belt adjustment.
According to the technical scheme provided by the invention, after the lock tongue is inserted into the slot of the lock catch, the pressure value of the lock tongue acting on the side wall of the slot of the lock catch is measured by the pressure sensor, the first driving device is controlled to drive the lock catch to drive the lower end of the woven belt to move back and forth according to the pressure value, so that the force acting on the side wall of the slot is balanced, the acting force between the lock catch and the lock tongue is measured by arranging the pressure sensor on the inner wall of the slot of the lock catch, the stress balance degree of the woven belt is indirectly reflected, the first driving device is controlled to drive the lower end of the woven belt to move back and forth according to pressure information, the position and the angle of the woven belt are adjusted, so that the acting force between the lock catch and the lock tongue is balanced, the surface of the woven belt acting on a passenger is the maximum stress surface, the passenger experiences comfortableness, and the problem that the comfort of people with different body types of the existing safety belt is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a control method and device for adjusting a seat belt in a hardware operating environment according to an embodiment of the present invention;
fig. 2 is a schematic flow chart of a first embodiment of a control method based on seat belt adjustment according to the present invention;
fig. 3 is a schematic flow chart of a second embodiment of the control method based on seat belt adjustment according to the invention;
fig. 4 is a schematic flow chart of a third embodiment of the control method based on seat belt adjustment of the invention;
fig. 5 is a schematic flow chart of a fourth embodiment of the seat belt adjustment-based control method of the present invention;
fig. 6 is a schematic flow chart of a fifth embodiment of the control method based on seat belt adjustment of the invention;
fig. 7 is a schematic flow chart of a sixth embodiment of the seatbelt adjustment-based control method of the present invention;
fig. 8 is a schematic flow chart of a seventh embodiment of the control method based on seat belt adjustment of the present invention.
The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive step based on the embodiments of the present invention, are within the scope of protection of the present invention.
It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; etc.) are involved in the embodiment of the present invention, the directional indications are only used for explaining the relative positional relationship between the components, the motion situation, etc. in a specific posture (as shown in the figure), and if the specific posture is changed, the directional indications are correspondingly changed.
In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B", including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
Referring to fig. 1, fig. 1 is a schematic device structure diagram of a hardware operating environment according to an embodiment of the present invention.
As shown in fig. 1, the apparatus may include: a processor 1001, such as a CPU, a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Wherein a communication bus 1002 is used to enable connective communication between these components. The user interface 1003 may comprise a Display screen (Display), an input unit such as keys, and the optional user interface 1003 may also comprise a standard wired interface, a wireless interface. The network interface 1004 may optionally include a standard wired interface, a wireless interface (e.g., WI-FI interface). The memory 1005 may be a high-speed RAM memory or a non-volatile memory such as a disk memory. The memory 1005 may alternatively be a storage device separate from the processor 1001 described previously.
It will be appreciated by those skilled in the art that the control method arrangement of seat belt adjustment illustrated in fig. 1 does not constitute a limitation of the control method arrangement of seat belt adjustment and may include more or fewer components than illustrated, or some components may be combined, or a different arrangement of components.
As shown in fig. 1, a memory 1005, which is a storage medium, may include therein an operating system, a network communication module, a user interface module, and a control method program for seat belt adjustment.
In the control method device for seat belt adjustment shown in fig. 1, the network interface 1004 is mainly used for connecting to a server and performing data communication with the server; the user interface 1003 is mainly used for connecting a user terminal and performing data communication with the terminal; the seatbelt adjustment control method apparatus of the present invention calls a seatbelt adjustment control method program stored in the memory 1005 by the processor 1001, and executes the seatbelt adjustment control method provided by the embodiment of the present invention.
Based on the hardware structure, the embodiment of the control method for adjusting the safety belt is provided.
Referring to fig. 2, fig. 2 is a flowchart illustrating a seat belt adjusting control method according to a first embodiment of the present invention.
In a first embodiment, the safety belt comprises a buckle, a lock tongue, a webbing, a first driving device and a pressure sensor, the buckle, the tongue, the webbing, the first driving device and the pressure sensor are arranged on a vehicle body, the first driving device is in driving connection with the buckle and used for driving the buckle to move forward and backward along the vehicle body, a slot for inserting the lock tongue is formed in the buckle, the lock tongue is provided with a first installation hole for the lower end of the webbing to be installed in a penetrating mode, the lower end of the webbing is arranged in the first installation hole in a penetrating mode and fixedly connected with a waist fixing portion, the buckle is arranged on two sides of a seat with the waist fixing portion, and the pressure sensor is arranged on the inner wall of the slot.
The control method for the adjustment of the safety belt comprises the following steps:
s1, after the spring bolt is inserted into the slot of the lock catch, pressure information of the spring bolt acting on the side wall of the lock catch is obtained.
It should be noted that the execution subject of the present embodiment may be a control method device for adjusting a seat belt, the control method device for adjusting a seat belt may be provided with a control method program for adjusting a seat belt, and may also be other devices that can achieve the same or similar functions.
In a specific implementation, the tongue is inserted into the slot of the buckle preferably before the vehicle is started, a vehicle start signal can be obtained through a vehicle ECU, and vehicle engine start information can also be obtained, the vehicle start signal mainly reflects that the vehicle is in a state capable of being controlled, and does not necessarily require that the vehicle is in an ignition state, for example, for an electric vehicle, the vehicle start refers to a state that the vehicle is switched from a non-electrified state to an electrified state of an internal control system.
In this step, because of the meshbelt wear to locate the spring bolt, the hasp with the both sides of seat are located to the waist fixed part, after the spring bolt is inserted and is located the slot, are in the hasp with the extending direction of the meshbelt between the waist fixed part, with the hasp with relative position between the waist fixed part and the personnel's of taking the size are relevant, and the extending direction of meshbelt makes the hasp with atress direction between the spring bolt is also different.
And S2, controlling the first driving device to drive the lock catch to drive the lower end of the woven belt to move back and forth according to the pressure information.
It can be understood that when the pressure values of all positions between the lock tongue and the side wall of the slot are equal, the force of the mesh belt between the lock buckle and the waist fixing part is balanced, and the pressure acting on the passenger is also uniform.
According to the technical scheme provided by the invention, after the lock tongue is inserted into the slot of the lock catch, the pressure value of the lock tongue acting on the side wall of the slot of the lock catch is measured by the pressure sensor, the first driving device is controlled to drive the lock catch to drive the lower end of the woven belt to move back and forth according to the pressure value, so that the force acting on the side wall of the slot is balanced, the acting force between the lock catch and the lock tongue is measured by arranging the pressure sensor on the inner wall of the slot of the lock catch, the stress balance degree of the woven belt is indirectly reflected, the first driving device is controlled to drive the lower end of the woven belt to move back and forth according to pressure information, the position and the angle of the woven belt are adjusted, so that the acting force between the lock catch and the lock tongue is balanced, the surface of the woven belt acting on a passenger is a maximum stress surface, the passenger experience is comfortable, and the problem that the comfort of the existing safety belt for people with different body types is solved.
In an embodiment, as shown in fig. 3, a second embodiment of the method for controlling a seat belt adjustment according to the present invention is provided based on the first embodiment, where the step S1 of obtaining the pressure information of the tongue acting on the side wall of the buckle after the tongue is inserted into the slot of the buckle includes:
and S11, acquiring a first pressure value acting on the front side wall of the slot at the front side and a second pressure value acting on the rear side wall of the slot at the rear side.
In this embodiment, the direction of the lock catch is generally matched with the stature of the passenger, but the stature of the passenger will take the stature information of most people as reference.
If when taking personnel for pregnant woman or the great obesity crowd of abdominal girth, obvious being in the hasp with the fluctuation of the meshbelt between the waist fixed part is great, makes to be in the hasp with the angle and the range grow of the meshbelt forward skew between the waist fixed part, thereby act on the slot is located the pressure of the preceding lateral wall of front side great.
When the passenger is the crowd of the stature less personnel, be in the hasp with the fluctuation of the meshbelt between the waist fixed part is less, is less than predetermined undulation degree, makes to be in the hasp with the angle and the range grow of the meshbelt between the waist fixed part skew towards the back, thereby act on the slot is located the pressure of the preceding lateral wall of rear side is great.
The step S2, namely, the step of controlling the first driving device to drive the latch to move to drive the lower end of the mesh belt to move back and forth according to the pressure information includes:
when the first pressure value is larger than the second pressure value, controlling the first driving device to drive the lock catch to move forwards;
and when the first pressure value is smaller than the second pressure value, controlling the first driving device to drive the lock catch to move backwards.
In this embodiment, in order to consider pregnant woman's safety to and the fat person of taking of posture operates the convenience when spring bolt locking or unblock, the hasp needs court the place ahead activity of automobile body the hasp is towards the place ahead activity back, the angle of meshbelt changes, makes the hasp with effort between the spring bolt is comparatively balanced, thereby makes the meshbelt act on the face of passenger for the biggest stress surface, makes the passenger experience comfortable.
Considering that the passenger is the safety of taking of the women of small stature, the hasp needs the activity backward properly, strengthens the parcel nature of safety belt, is in the hasp back activity backward similarly, the angle of meshbelt changes for the hasp with effort between the spring bolt is comparatively balanced, thereby makes the meshbelt act on the face of passenger for the biggest stress surface, makes the passenger experience comfortable, has also guaranteed passenger's safety.
In an embodiment, as shown in fig. 4, a third embodiment of the method for controlling the adjustment of a seat belt according to the present invention is provided based on the first embodiment, in this embodiment, the seat belt further includes a retractor, a second driving device, and a shoulder fixing portion fixed to the vehicle body and located above the lap fixing portion, the shoulder fixing portion is formed with a second mounting hole, an upper end portion of the webbing is inserted into the second mounting hole and fixedly connected to the retractor, and the second driving device is drivingly connected to the shoulder fixing portion for driving the shoulder fixing portion to move in the vertical direction and the longitudinal direction of the vehicle body;
the steps of the control method for seat belt adjustment further include:
and S3, acquiring personnel information of personnel on the seat, wherein the personnel information comprises personnel sitting height parameters.
In this embodiment, in addition to the angle of the webbing between the buckle and the waist fixing portion, which affects the comfort of the occupant, the inclination angle and the extending direction of the webbing between the buckle and the shoulder fixing portion also affect occupants of different heights at the same time.
When the height of a passenger is higher than that of a general crowd, the lock tongue and the lock catch are conveniently and directly pulled to be locked by the passenger, the situation that the lock tongue and the lock catch can be smoothly locked by the shoulder ribbon of the passenger only by bypassing the shoulder of the passenger is avoided, and the upper end of the shoulder ribbon needs to be arranged higher.
When the passenger is shorter than the height of general crowd, in order to avoid the meshbelt of shoulder and the passenger's neck to take place to interfere, the condition of rubbing the neck appears, and the shoulder fixed part is too high, and is worse at passenger's side direction parcel nature, and the safety risk of existence is bigger, the upper end of meshbelt need set up lower just can accord with needs.
And S4, controlling the second driving device to drive the shoulder fixing part to drive the upper end of the woven belt to move up and down and back and forth according to the personnel sitting height parameter.
In this embodiment, through personnel's seat height parameter is adjusted the ascending position in upper and lower side is in to the shoulder fixed part, makes the height of sitting that the shoulder fixed part can the adaptation personnel for the passenger experiences comfortablely, has also guaranteed the safety of taking personnel.
In an embodiment, as shown in fig. 5, a fourth embodiment of the seat belt adjustment control method according to the present invention is proposed based on the third embodiment, and the step S3 of acquiring the passenger information of the passenger in the seat, where the passenger information includes a parameter of the height of the passenger includes:
and S31, acquiring image information of the person on the seat.
In specific implementation, the image information of passengers in the vehicle can be acquired through the in-vehicle visual image recognition system. The visual image recognition system in the vehicle comprises a camera and an intelligent recognition device.
And step S32, determining a sitting height parameter H1 of the person on the seat according to the image information.
In this step, the intelligent recognition device in the in-vehicle visual image recognition system calculates the sitting height parameter H1 of the person on the seat according to the image information.
The sitting height parameter refers to a distance value between the top of the head of a person and the bottom of the foot of the person in the vertical direction when the person is in a sitting posture, so that the outline of the person on the seat can be identified according to the image information, and the sitting height parameter of the person on the seat can be calculated. Of course, the sitting height parameter of the person on the seat can also be calculated by measuring the outer contour of the top of the head of the person on the seat relative to the height of the seat.
In an embodiment, as shown in fig. 6, a fifth embodiment of the method for controlling seat belt adjustment according to the present invention is provided based on the third embodiment, and the step S4 of controlling the second driving device to drive the shoulder fixing part to move the upper end of the webbing in the up-down direction and the forward-backward direction according to the parameter of the sitting height of the person includes:
and S41, determining a first set height H2 between the shoulder fixing part and the floor of the vehicle body according to the personnel sitting height parameter H1, wherein H2 is more than or equal to H1-25cm and less than or equal to H1-15cm.
The shoulder fixing portion is generally located between the top of the head and the upper end of the shoulder of the occupant in the vertical direction, and is preferably at a height of about 20cm lower than the top of the head of the occupant.
Therefore, after the parameter H1 of the sitting height of the passenger is obtained, the position of the shoulder fixing part can be calculated, namely, the shoulder fixing part is only required to be about 20cm lower than the top of the head of the passenger, in the embodiment, the distance between the shoulder fixing part and the floor of the vehicle body can float about 5cm in consideration of the difference of the head size of the passenger, namely, H1-25cm is less than or equal to H2 and less than or equal to H1-15cm. Preferably, H2= H1-20cm.
Step S42, obtaining an initial height H0 between the shoulder fixing part and the floor of the vehicle body;
when H0 is less than H2, controlling the second driving device to drive the shoulder fixing part to move upwards by a distance H2-H0;
and when H0 is larger than H2, controlling the second driving device to drive the shoulder fixing part to move downwards by a distance H0-H2.
In this embodiment, in order to adjust the shoulder fixing portion, an initial height between the shoulder fixing portion and the floor of the vehicle body needs to be measured, and when H0 < H2, the shoulder fixing portion needs to move upward, and a moving displacement amount is H2-H0; when H0 > H2, the shoulder fixing part needs to move downwards, and the moving displacement is H0-H2.
In an embodiment, as shown in fig. 7, a sixth embodiment of a seat belt adjustment control method according to the present invention is provided based on the fourth embodiment, where the seat belt further includes a third driving device, the third driving device is in driving connection with the lock catch and is used for driving the lock catch to move up and down;
the staff information further includes the measured abdominal circumference parameter of the staff, and step S3, namely, the step of obtaining the staff information of the passenger in the seat further includes:
and S5, acquiring an initial distance S1 between the lock catch and the seat in the front-back direction.
In this embodiment, in order to consider the convenience of the pregnant woman and the physically fat occupant in locking or unlocking the lock tongue, when the abdomen is large, if the buckle is positioned on the left side of the seat when the lock tongue is operated, and when the lock tongue is held by the right hand, the arm needs to go around the abdomen to fix the lock tongue and the buckle, and therefore, when the buckle needs to be set high, the use by the occupant is facilitated.
And S6, acquiring the measured abdominal circumference parameter L1 of the passenger on the seat.
And S7, when the measured abdominal circumference L1 is larger than a preset abdominal circumference L0, controlling the third driving device to drive the lock catch to move upwards.
In this embodiment, when the measured abdominal circumference L1 is greater than the preset abdominal circumference L0, it indicates that the abdominal circumference of the passenger on the seat is too large, and the third driving device needs to be controlled to drive the lock catch to move upward.
In an embodiment, as shown in fig. 8, a seventh embodiment of the seat belt adjustment control method according to the present invention is provided based on the sixth embodiment, and the step S6 of obtaining a measured abdominal circumference parameter L1 of a passenger in a seat further includes:
step S61, calculating the width W1 of the abdomen and the thickness D1 of the abdomen in the front-back direction of the person on the seat according to the image information;
step S62, calculating a measurement abdominal circumference L1 of the person on the seat according to the width W1 of the abdomen and the thickness D1 of the abdomen, wherein L1=0.5 pi W2+2W1-W2.
In this embodiment, since the abdomen of a person can be seen as a similar semi-ellipse in cross section, the circumference of the abdomen can be calculated according to the circumference calculation formula of the ellipse, the circumference formula of the ellipse is L =2 pi b +4 (a-b), wherein the major axis and the minor axis of the ellipse are a and b respectively. The circumference of the semi-ellipse is pi b +2 (a-b), and the abdominal circumference value is half the ellipse circumference plus the entire width of the abdomen, so that the entire abdominal circumference value is pi b +2 (a-b) +2a = pi b +4a-2b, and therefore, in the present embodiment, the width W1 of the abdomen of the person sitting on the seat and the thickness D1 of the abdomen in the front-rear direction can be calculated from the image information, and L1=0.5 pi W2+2W1-W2, because W1=2a, W2=2b, according to the above derivation formula.
In addition, in order to achieve the above object, the present invention further provides a control device for adjusting a seat belt, where the control device for adjusting a seat belt includes an obtaining module and an executing module, where the obtaining module is configured to obtain pressure information of a pressure sensor; and the execution module is used for controlling the first driving device to drive the lock catch to move so as to drive the lower end of the woven belt to move back and forth according to the pressure information. Because the control device for adjusting the safety belt adopts all technical schemes of all the embodiments, at least all the beneficial effects brought by the technical schemes of the embodiments are achieved, and the details are not repeated herein.
In addition, in order to achieve the above object, the present invention further provides a method and apparatus for controlling seat belt adjustment, including: a memory, a processor and a program of a control method of seat belt adjustment stored on the memory and executable on the processor, the control method of seat belt adjustment being configured to implement the control method of seat belt adjustment as described above.
Furthermore, an embodiment of the present invention further provides a storage medium, where a program of a control method based on seat belt adjustment is stored, and the program of the control method based on seat belt adjustment is executed by a processor to implement the control method of seat belt adjustment as described above.
Since the storage medium adopts all technical solutions of all the embodiments, at least all the beneficial effects brought by the technical solutions of the embodiments are achieved, and no further description is given here.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention, and all modifications and equivalents of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims (10)

1. The control method for adjusting the safety belt is characterized in that the safety belt comprises a lock catch, a lock tongue, a woven belt, a first driving device and a pressure sensor, wherein the lock catch, the lock tongue, the woven belt, the first driving device and the pressure sensor are arranged on a vehicle body, the first driving device is in driving connection with the lock catch and is used for driving the lock catch to move forwards and backwards along the vehicle body, a slot for inserting the lock tongue is formed in the lock catch, the lock tongue is provided with a first mounting hole for the lower end of the woven belt to penetrate through, the lower end of the woven belt penetrates through the first mounting hole and is fixedly connected with a waist fixing part, the lock catch and the waist fixing part are arranged on two sides of a seat, the pressure sensor is arranged on the inner wall of the slot, and the control method for adjusting the safety belt comprises the following steps:
after the spring bolt is inserted into the slot of the lock catch, acquiring pressure information of the spring bolt acting on the side wall of the lock catch;
and controlling the first driving device to drive the lock catch to drive the lower end of the woven belt to move back and forth according to the pressure information.
2. The method for controlling the adjustment of the seat belt according to claim 1, wherein the step of acquiring the information about the pressure applied by the latch tongue to the side wall of the buckle after the latch tongue is inserted into the slot of the buckle comprises:
acquiring a first pressure value acting on a front side wall of the slot at the front side and a second pressure value acting on a rear side wall of the slot at the rear side;
the step of controlling the first driving device to drive the lock catch to move to drive the lower end of the mesh belt to move back and forth according to the pressure information comprises the following steps:
when the first pressure value is larger than the second pressure value, controlling the first driving device to drive the lock catch to move forwards;
and when the first pressure value is smaller than the second pressure value, controlling the first driving device to drive the lock catch to move backwards.
3. The control method of the seat belt adjustment according to claim 1, wherein the seat belt further includes a retractor, a second driving device, and a shoulder fixing portion fixed to the vehicle body above the waist fixing portion, the shoulder fixing portion being formed with a second mounting hole, the upper end portion of the webbing being inserted through the second mounting hole and fixedly connected to the retractor, the second driving device being drivingly connected to the shoulder fixing portion for driving the shoulder fixing portion to move in the up-down direction and the forward-backward direction of the vehicle body;
the steps of the control method for seat belt adjustment further include:
acquiring personnel information of personnel on a seat, wherein the personnel information comprises personnel sitting height parameters;
and controlling the second driving device to drive the shoulder fixing part to drive the upper end of the braid to move up and down and back and forth according to the personnel sitting height parameter.
4. The seat belt adjustment control method according to claim 3, wherein the step of acquiring the person information of the person seated in the seat, the person information including the person sitting height parameter, includes:
acquiring image information of a person on the seat;
and determining a sitting height parameter H1 of the person on the seat according to the image information.
5. The seatbelt adjustment control method according to claim 4, wherein the controlling of the second driving means to drive the shoulder fixing part to move the upper end of the webbing in the up-down direction and the forward-backward direction according to the sitting height parameter of the person comprises:
determining a first set height H2 between the shoulder fixing part and the floor of the vehicle body according to the personnel sitting height parameter H1, wherein H1-25cm is more than or equal to H2 and is less than or equal to H1-15cm;
acquiring an initial height H0 between the shoulder fixing part and the floor of the vehicle body;
when H0 is less than H2, controlling the second driving device to drive the shoulder fixing part to move upwards by a distance H2-H0;
and when H0 is larger than H2, controlling the second driving device to drive the shoulder fixing part to move downwards by a distance H0-H2.
6. The method for controlling the adjustment of a seat belt according to claim 4, wherein the seat belt further comprises a third driving device, wherein the third driving device is in driving connection with the lock catch and is used for driving the lock catch to move up and down;
the staff information further includes the measured abdominal circumference parameter of the staff, and the step of obtaining the staff information of the passenger on the seat further includes:
acquiring an initial distance S1 between the lock catch and the seat in the front-back direction;
acquiring a measured abdominal circumference parameter L1 of a passenger on the seat;
and when the measured abdominal circumference parameter L1 is larger than the preset abdominal circumference L0, controlling the third driving device to drive the lock catch to move upwards.
7. The method of controlling seat belt adjustment according to claim 6, wherein the step of obtaining the measured abdominal circumference parameter L1 of the occupant in the seat comprises:
calculating the width W1 of the abdomen and the thickness D1 of the abdomen in the front-back direction of the person on the seat according to the image information;
calculating a measured abdominal circumference L1 of the person in the seat from the width W1 of the abdomen and the thickness D1 of the abdomen, wherein L1=0.5 π W2+2W1-W2.
8. A control device for seatbelt adjustment, characterized by comprising:
the acquisition module is used for acquiring pressure information of the pressure sensor;
and the execution module is used for controlling the first driving device to drive the lock catch to move so as to drive the lower end of the woven belt to move back and forth according to the pressure information.
9. A control device of a seat belt adjustment, characterized by comprising: a memory, a processor and a control program for seat belt adjustment stored on the memory and executable on the processor, the control program for seat belt adjustment being configured to implement the control method for seat belt adjustment according to any one of claims 1 to 7.
10. A storage medium having stored thereon a control program for seat belt adjustment, which when executed by a processor implements a control method for seat belt adjustment according to any one of claims 1 to 7.
CN202211186685.4A 2022-09-27 2022-09-27 Control method, device, equipment and storage medium for seat belt adjustment Active CN115447530B (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822707A (en) * 1992-05-05 1998-10-13 Automotive Technologies International, Inc. Automatic vehicle seat adjuster
EP1736382A1 (en) * 2005-06-24 2006-12-27 Wilhelm Karmann GmbH Safety belt presenting device for vehicles
US20140132056A1 (en) * 2012-11-14 2014-05-15 Ford Global Technologies, Llc Seatbelt buckle height adjustment mechanism
CN106080501A (en) * 2016-07-20 2016-11-09 从光梅 A kind of seat belt warning devices
CN106364448A (en) * 2015-07-22 2017-02-01 株式会社东海理化电机制作所 Buckle device
CN107021062A (en) * 2017-03-15 2017-08-08 浙江零跑科技有限公司 A kind of control method and device of vehicle safety belt
CN109910812A (en) * 2019-03-19 2019-06-21 北京长城华冠汽车科技股份有限公司 A kind of control method of seat belt apparatus, vehicle and vehicle safety belt device

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5822707A (en) * 1992-05-05 1998-10-13 Automotive Technologies International, Inc. Automatic vehicle seat adjuster
EP1736382A1 (en) * 2005-06-24 2006-12-27 Wilhelm Karmann GmbH Safety belt presenting device for vehicles
US20140132056A1 (en) * 2012-11-14 2014-05-15 Ford Global Technologies, Llc Seatbelt buckle height adjustment mechanism
CN106364448A (en) * 2015-07-22 2017-02-01 株式会社东海理化电机制作所 Buckle device
CN106080501A (en) * 2016-07-20 2016-11-09 从光梅 A kind of seat belt warning devices
CN107021062A (en) * 2017-03-15 2017-08-08 浙江零跑科技有限公司 A kind of control method and device of vehicle safety belt
CN109910812A (en) * 2019-03-19 2019-06-21 北京长城华冠汽车科技股份有限公司 A kind of control method of seat belt apparatus, vehicle and vehicle safety belt device

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
曾燕娜;: "基于六西格玛管理方法的安全带锁扣高度设计优化", 汽车零部件, no. 07 *

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