KR102322300B1 - System for supporting safety device in vehicle - Google Patents

Abstract

A vehicle safety device support device according to an embodiment of the present invention detects a vehicle collision and a vehicle information collection unit that collects at least one of vehicle speed information, vehicle front information, and occupant information in the vehicle, and the vehicle It includes a safety device control unit for controlling the operation of the safety device based on the information received from the information collection unit.

Description

Vehicle safety device support device {SYSTEM FOR SUPPORTING SAFETY DEVICE IN VEHICLE}

The present invention relates to a vehicle, and more particularly, to a safety device support device for a vehicle.

In general, vehicles include safety devices such as seat belts and airbags. When these safety devices operate properly, they can protect occupants even in the event of a vehicle collision.

However, if the safety device is operated only according to the prescribed manual without considering the collision situation, the posture of the occupant, etc., it may cause a secondary injury due to excessive protection or insufficient protection. For example, the operation of the seat belt impacts the occupant, and there are often cases in which the occupant's organs are damaged or the cervical spine is injured. In addition, the airbag is operated without taking into account the collision intensity, the collision direction, the posture of the occupant, the physical condition of the occupant, and the like, resulting in fatal accidents due to the airbag.

On the other hand, the vehicle may include an alarm device for ventilating the driver or notifying the driver of a dangerous situation in advance. Such an alarm device may be combined with a sensor for detecting the driver's pupil, a sensor for detecting the front of the vehicle, and the like. However, since the warning device is a device for preventing a vehicle accident, it cannot protect the driver when an accident actually occurs.

An object of the present invention is to provide a safety device support device for a vehicle.

A vehicle safety device support device according to an embodiment of the present invention includes a vehicle information collection unit that collects at least one of vehicle speed information, front information of the vehicle, and occupant information in the vehicle, and information received from the vehicle information collection unit. and a safety device control unit for controlling the operation of the safety device based on At least one of the operating times of the safety device is determined.

The vehicle information collection unit may include at least one of a camera, an infrared sensor, an ultrasonic sensor, and a radar device.

The occupant information in the vehicle may include at least one of a posture and a physical condition of the occupant in the vehicle.

At least one of the posture and physical condition of the occupant in the vehicle may be at least one of a position of the occupant's head, a position of a hand, and a position of an upper body.

At least one of the posture and physical condition of the occupant in the vehicle is a distance between the occupant's head and the steering wheel, whether the occupant's head and the headrest of the seat are in contact, the hand operating the steering wheel, the distance between the occupant's upper body and the handle, and the occupant's upper body It may include at least one of whether the contact between the and the backrest of the seat.

At least one of the posture and physical condition of the occupant in the vehicle may include at least one of a sitting height, upper body width, and body size of the occupant.

The vehicle information collection unit may further collect operation information of the vehicle.

The vehicle information collection unit may predict a collision by using at least one of speed information of the vehicle, front information of the vehicle, occupant information in the vehicle, and operation information of the vehicle.

The safety device control unit may control the operation of the safety device by further using a result of detecting at least one of the timing, intensity, and location of the collision.

The safety device may include at least one of a seat belt, an air bag, and a seat.

When there are a plurality of occupants in the vehicle, the safety device control unit may control the operation of the safety device for each occupant.

The vehicle information collection unit may further collect user's setting information including information for each seat, and the safety device control unit may further use the user's setting information to control the operation of the safety device.

The information for each seat may include at least one of an age of an occupant for each seat, a sitting height, and whether a car seat is installed.

A method for supporting a safety device of a device for supporting a safety device for a vehicle according to an embodiment of the present invention includes collecting at least one of speed information of the vehicle, front information of the vehicle, and information on occupants in the vehicle, and the speed information of the vehicle, the and controlling an operation of a safety device based on at least one of front information of the vehicle and information on occupants in the vehicle, wherein in the controlling step, a type of a safety device to be operated, an operation direction of the safety device, and the safety device at least one of the operating strength of the safety device, the operating position of the safety device, and the operating timing of the safety device is determined.

According to an embodiment of the present invention, a system for supporting a vehicle safety device is provided. In particular, since the operation of the safety device is controlled in consideration of the collision situation, the posture of the occupant, the physical condition of the occupant, and the like, the occupant can be effectively protected.

1 is a block diagram of a vehicle safety device support device according to an embodiment of the present invention.
2 is a detailed block diagram of a vehicle safety device support device according to an embodiment of the present invention.
3 is a flowchart illustrating a safety device support method of a vehicle safety device support device according to an embodiment of the present invention.
4 to 6 show an example in which the safety device support device according to an embodiment of the present invention determines the operation type of the safety device and controls the operation of the safety device.

Since the present invention can have various changes and can have various embodiments, specific embodiments are illustrated and described in the drawings. However, this is not intended to limit the present invention to specific embodiments, and it should be understood to include all modifications, equivalents and substitutes included in the spirit and scope of the present invention.

Terms including an ordinal number such as second, first, etc. may be used to describe various elements, but the elements are not limited by the terms. The above terms are used only for the purpose of distinguishing one component from another. For example, without departing from the scope of the present invention, the second component may be referred to as the first component, and similarly, the first component may also be referred to as the second component. and/or includes a combination of a plurality of related listed items or any of a plurality of related listed items.

The terms used in the present application are only used to describe specific embodiments, and are not intended to limit the present invention. The singular expression includes the plural expression unless the context clearly dictates otherwise. In the present application, terms such as “comprise” or “have” are intended to designate that a feature, number, step, operation, component, part, or combination thereof described in the specification exists, but one or more other features It should be understood that this does not preclude the existence or addition of numbers, steps, operations, components, parts, or combinations thereof.

Unless defined otherwise, all terms used herein, including technical and scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries should be interpreted as having a meaning consistent with the meaning in the context of the related art, and should not be interpreted in an ideal or excessively formal meaning unless explicitly defined in the present application. does not

Hereinafter, the embodiment will be described in detail with reference to the accompanying drawings, but regardless of the reference numerals, the same or corresponding components are given the same reference numerals, and the overlapping description thereof will be omitted.

1 is a block diagram of an apparatus for supporting a safety device for a vehicle according to an embodiment of the present invention, and FIG. 2 is a detailed block diagram of a device for supporting a safety device for a vehicle according to an embodiment of the present invention.

Referring to FIG. 1 , the safety device support device 10 includes a vehicle information collection unit 100 and a safety device control unit 200 .

The vehicle information collection unit 100 collects at least one of vehicle speed information, vehicle front information, and occupant information in the vehicle.

And, the safety device control unit 200 detects the collision of the vehicle, and controls the operation of the safety device based on the information received from the vehicle information collection unit 100 .

Specifically, referring to FIG. 2 , the vehicle information collection unit 100 includes a speed detection unit 110 , a front detection unit 120 , an occupant detection unit 130 , an operation information collection unit 140 , and an information collection unit ( 150). In addition, the safety device control unit 200 includes a collision detection unit 210 , a determination unit 220 , and a control unit 230 .

The speed sensing unit 110 of the vehicle information collection unit 100 detects at least one of a vehicle speed and an acceleration. The speed sensing unit 110 may sense one of the vehicle speed and acceleration in real time, and may be a part of an Electronic Control Unit (ECU).

The front detection unit 120 detects an object located in front of the vehicle. Here, the object positioned in front of the vehicle may mean another vehicle, person, animal, or other object positioned in front of the vehicle. The front detection unit 120 may detect the presence or absence of an object positioned in front of the vehicle, the size of the object, the location of the object, the number of objects, the shape of the object, and the like. The front detection unit 120 may be implemented as a camera, an infrared sensor, an ultrasonic sensor, a radar device, or the like. The forward sensing unit 120 may be, for example, a part of an Advanced Driver Assistance System (ADAS).

The occupant detection unit 130 detects at least one of the position, posture, and physical condition of the occupant in the vehicle. For example, the occupant detection unit 130 may detect the position of the head, the position of the hand, the position of the upper body, and the like of the occupant. That is, the occupant detection unit 130 determines the distance between the occupant's head and the handle, whether the occupant's head and the headrest of the seat are in contact, which hand is operating the handle, the distance between the occupant's upper body and the handle, and the occupant's upper body It is possible to detect whether the seat backs are in contact with each other. As another example, the occupant detection unit 130 may detect the seated height, upper body width, body size, and the like of the occupant. The occupant detection unit 130 may be implemented as a camera, an infrared sensor, an ultrasonic sensor, a radar device, or the like. The occupant detection unit 130 may be, for example, a part of a Driver Status Monitoring (DSM) device. The occupant detection unit 130 may detect not only the driver but also the passenger. To this end, one or more occupant detection units 130 may be mounted in the vehicle.

The operation information collection unit 140 collects operation information of the vehicle. Here, the manipulation information refers to information that the driver manipulates the vehicle. The operation information may be, for example, turn signal operation information, accelerator pedal operation information, brake operation information, steering wheel operation information, and the like. The operation information collection unit 140 may be, for example, a black box camera, an ECU, or the like.

The information collection unit 150 collects and stores information from at least one of the speed detection unit 110 , the front detection unit 120 , the occupant detection unit 140 , and the operation information collection unit 140 . The information collection unit 150 periodically collects information from at least one of the speed detection unit 110 , the front detection unit 120 , the occupant detection unit 130 , and the operation information collection unit 140 , or only when an event occurs. information can be collected. The information collection unit 150 compares the collected information with the pre-stored information, and when the collected information differs from the pre-stored information by a predetermined level or more, the collected information may be stored.

Also, the information collection unit 150 may predict a collision by analyzing the collected information. For example, the information collecting unit 150 collects vehicle speed information collected from the speed sensing unit 110 , frontal information of the vehicle collected from the front sensing unit 120 , and the vehicle collected from the operation information collecting unit 140 . A collision of a vehicle can be predicted using the operation information of In addition, the information collection unit 150 may further predict the strength, direction, etc. of the impact applied to the occupant during a collision by using the occupant information collected from the occupant detection unit 140 .

On the other hand, the collision detection unit 210 of the safety device control unit 200 operates when the vehicle collides, and detects at least one of the timing, intensity, and location of the collision. The collision detection unit 210 may be installed in at least one of the outside and the inside of the vehicle. For example, the collision detection unit 210 may be installed in the front of the vehicle, the rear of the vehicle, both sides of the vehicle, the ceiling of the vehicle, the floor of the vehicle, etc., and a plurality of collision detection units 210 in one vehicle. may be installed. The collision detection unit 210 may be, for example, a camera, an infrared sensor, an ultrasonic sensor, an impact sensor, a radar device, or the like. Although not shown, the collision detection unit 210 may further include a memory for storing the detected result.

When the collision detection unit 210 detects a vehicle collision, the detected result is transmitted to the determination unit 220 . The time required for the collision detection unit 210 to transmit the detected result to the determination unit 220 may be, for example, within 0.1 seconds, preferably within 0.05 seconds, and more preferably within 0.02 seconds from the time of the collision. have.

The determination unit 220 determines the operation type of the safety device using the result detected by the collision detection unit 210 and the information received from the vehicle information collection unit 100 . Here, the safety device may be a seat belt, an air bag, a seat, or the like.

The determination unit 220 may determine which safety device to operate using the result detected by the collision detection unit 210 and the information received from the vehicle information collection unit 100 . For example, the determination unit 220 may determine whether to operate all or only a portion of the seat belt, the airbag, and the seat. Also, the determination unit 220 may determine whether to operate all or only some of several seat belts or several airbags installed in the vehicle. And, the determination unit 220 may determine the operating direction, strength, position, etc. of the safety device to be operated.

The control unit 230 controls the operation of the safety device using the result determined by the determination unit 220 . The control unit 230 may be connected to the safety device to control the operation of the safety device.

3 is a flowchart illustrating a safety device support method of the vehicle safety device support device according to an embodiment of the present invention. Here, descriptions of contents overlapping those of FIGS. 1 and 2 will be omitted.

Referring to FIG. 3 , the vehicle information collection unit 100 of the safety device support device 10 collects at least one of vehicle speed information, vehicle front information, and occupant information in the vehicle ( S300 ). On the other hand, the safety device control unit 200 of the safety device support device 10 detects a vehicle collision (S310). Then, the safety device control unit 200 determines the operation type of the safety device based on the information collected in step S300 and the result detected in step S310 (S320). At this time, the safety device control unit 200 may determine at least one of the operating position, operating strength, and operating timing of the safety device using at least one of the posture, position, and physical condition of the occupant and at least one of the strength and position of the collision. have. And, the safety device control unit 200 controls the operation of the safety device according to the determined operation type.

4 shows an example in which the safety device support device according to an embodiment of the present invention determines the operation type of the safety device and controls the operation of the safety device.

Referring to FIG. 4 , the safety device support device may collect information about occupants in a vehicle. The occupant information may be, for example, the position, posture, and physical condition of the occupant. Such occupant information may be detected by an occupant detection unit, for example, the camera 400 installed around the vehicle's rearview mirror. When the safety device assisting device detects the collision of the vehicle, the determination unit of the safety device supporting device may determine the operation type of the seat belt restraining the upper body of the occupant to prevent the occupant from being thrown forward. For example, when the seated height of the occupant is small, the body of the occupant due to the seat belt is adjusted by adjusting the operating time of the shock absorbing device 410 of the seat belt or moving the position of the shock absorbing device 410 of the seat belt. It is possible to alleviate the impact on the The timing of the operation of the shock absorbing device 410 of the seat belt, whether the position of the shock absorbing device 410 moves, and the direction of movement of the position of the shock absorbing device 410 may be determined in consideration of the strength and direction of the impact. have. The determination unit of the safety device support device considers all of the occupant information, the strength of the impact, the direction of the impact, and the like, when the shock absorbing device 410 operates, whether the shock absorbing device 410 moves, and the shock absorbing device 410 . ), the position and movement direction, etc. can be adjusted step by step.

5 shows another example in which the safety device support device according to an embodiment of the present invention determines the operation type of the safety device and controls the operation of the safety device. Descriptions of contents overlapping those of FIG. 4 will be omitted.

Referring to FIG. 5 , when the safety device assisting device detects a vehicle collision, the determination unit of the safety device supporting device may determine an operation type of the airbag. For example, the safety device assisting device may determine the operating timing, pressure and position of the airbag according to the distance between the occupant's face part and the handle. That is, when the distance between the occupant's face part and the handle is less than or equal to a predetermined distance, the airbag may operate like A, and when the distance between the occupant's face and the handle exceeds the predetermined distance, the airbag may operate like B. That is, when the distance between the occupant's face part and the handle is less than a predetermined distance, the shock applied to the occupant's face part may be alleviated by reducing the airbag pressure.

6 shows another example in which the safety device support device according to an embodiment of the present invention determines the operation type of the safety device and controls the operation of the safety device. Contents overlapping those of FIGS. 4 to 5 will be omitted.

Referring to FIG. 6 , when the safety device supporting device detects a vehicle collision, the determination unit of the safety device supporting device may determine an operation type of the seat. For example, the safety device support device may estimate a forward distance that is bounced off due to a reaction after a collision from the position and posture of the occupant's upper body, and a movement path, time, distance, and the like, where the upper body is returned thereafter. In addition, the safety device support device may adjust the moving distance, moving timing, moving position, etc. of the headrest or back of the seat based on the estimation result.

Although not shown, according to an embodiment of the present invention, when there are a plurality of occupants in the vehicle, the operation of the safety device may be controlled for each occupant. To this end, the safety device support device may collect occupant information for each occupant. In addition, the safety device support device may determine the operation type of the safety device for each occupant in consideration of occupant information, the intensity of the collision, the location of the collision, the direction of the collision, and the like. For example, if the driver's seat occupant's face part is close to the steering wheel, the passenger's seat occupant is a child, and a collision occurs from the driver's seat direction, the safety device assisting device determines the type of safety device that operates on the driver's seat and the passenger seat, and when to operate , operating strength, etc. can be set differently.

Although not shown, the vehicle information collecting unit 100 may further include a setting information collecting unit for collecting user's setting information. Before starting driving, the user may input the age of the occupant for each seat, the sitting height, whether a car seat is installed, and the like using the setting information collection unit. When the collision detection unit detects a collision, the determination unit 220 performs not only the information collected by the speed detection unit 110 , the front detection unit 120 , the occupant detection unit 130 , and the operation information collection unit 140 . In addition, it is possible to determine the operation type of the safety device by considering the information collected by the setting information collecting unit as well.

Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art can variously modify and change the present invention within the scope without departing from the spirit and scope of the present invention as set forth in the claims below. You will understand that it can be done.

100: vehicle information collection unit
200: safety device control unit
110: speed detection unit
120: front sensing unit
130: occupant detection unit
210: collision detection unit
220: judgment unit

Claims (14)

In the vehicle safety device support device,
A vehicle information collection unit that collects at least one of speed information of the vehicle, front information of the vehicle, and information on occupants in the vehicle, and
When a collision of a vehicle is detected, a safety device control unit that controls operation of a safety device based on a collision detection result and occupant information received from the vehicle information collection unit
including,
The safety device control unit determines the type of safety device to be operated, and further determines at least one of the operating direction of the safety device, the operating strength of the safety device, the operating position of the safety device, and the operating timing of the safety device,
The occupant information in the vehicle includes at least one of a sitting height, upper body width, and body size of the occupant,
The safety device includes at least one of a seat belt, an air bag and a seat,
The vehicle information collection unit further collects the user's setting information including information for each seat,
The safety device control unit further uses the user's setting information to control the operation of the safety device,
The information for each seat is a safety device support device including at least one of the age of the occupant for each seat, the sitting height, and whether the car seat is installed. According to claim 1,
The vehicle information collection unit is a safety device support device including at least one of a camera, an infrared sensor, an ultrasonic sensor, and a radar device. delete According to claim 1,
The safety device support device, wherein the occupant information in the vehicle further includes at least one of a position of a head, a position of a hand, and a position of an upper body of the occupant. 5. The method of claim 4,
The occupant information in the vehicle includes the distance between the occupant's head and the steering wheel, whether the occupant's head and the headrest of the seat are in contact, whether the handle is operated by hand, the distance between the occupant's upper body and the handle, and the distance between the occupant's upper body and the seat backrest Safety device support device further comprising at least one of whether the contact. delete According to claim 1,
The vehicle information collection unit is a safety device support device to further collect the operation information of the vehicle. 8. The method of claim 7,
The vehicle information collecting unit predicts a collision by using at least one of speed information of the vehicle, front information of the vehicle, occupant information in the vehicle, and operation information of the vehicle. According to claim 1,
The collision detection result includes at least one of a timing, intensity, and location of a collision. delete According to claim 1,
When there are a plurality of occupants in the vehicle, the safety device control unit controls the operation of the safety device for each occupant. delete delete In the safety device support method of the vehicle safety device support device,
collecting at least one of speed information of the vehicle, forward information of the vehicle, and occupant information in the vehicle; and
When a collision of a vehicle is detected, the method comprising the step of controlling the operation of a safety device based on the collision detection result and occupant information in the vehicle,
In the controlling step, the type of the safety device to be operated is determined, and at least one of the operation direction of the safety device, the operating strength of the safety device, the operating position of the safety device, and the operation timing of the safety device is further determined,
The occupant information in the vehicle includes at least one of a sitting height, upper body width, and body size of the occupant,
The safety device includes at least one of a seat belt, an air bag and a seat,
In the collecting step, the user's setting information including information for each seat is further collected,
In the controlling step, the operation of the safety device is controlled by further using the user's setting information,
The information for each seat is a safety device support method including at least one of the age of the occupant for each seat, the sitting height, and whether the car seat is installed.

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