KR20210013743A - System for supporting safety device in vehicle - Google Patents

Abstract

The present invention is to provide an apparatus for supporting a vehicle safety device. According to an embodiment of the present invention, an apparatus for supporting a vehicle safety device comprises: a vehicle information collection unit which collects at least one of speed information of a vehicle, front information of the vehicle, and information on occupants in the vehicle; and a safety device control unit which 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.

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 vehicle safety device support device.

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

However, if such a safety device is operated only according to a specified manual without taking into account a collision situation or an occupant's posture, 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 the occupant's organs are damaged or the cervical spine is injured. In addition, the airbag is operated without taking into account the intensity of the collision, the direction of the collision, the posture of the occupant, the physical condition of the occupant, and so on, and a personal accident occurs due to the airbag.

Meanwhile, 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 that detects a driver's eyes, a sensor that detects the front of a vehicle, and the like. However, since the warning device is a device for preventing an accident in a vehicle, it cannot protect a driver when an accident actually occurs.

The technical problem to be achieved by the present invention is to provide a vehicle safety device support device.

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, vehicle front information, 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 the safety device control unit, wherein the safety device control unit includes a type of a safety device to be operated, an operation direction of the safety device, an operation strength of the safety device, an operation position of the safety device, and At least one of the operating timings 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 a posture and a body condition of the occupant in the vehicle may be at least one of a position of a head, a position of a hand, and a position of an upper body of the occupant.

At least one of the posture and physical condition of the occupant in the vehicle is the distance between the occupant's head and the steering wheel, the contact between the occupant's head and the headrest of the seat, the hand operating the steering wheel, the distance between the upper body of the occupant and the steering wheel, and the upper body of the occupant It may include at least one of whether or not contact between the backrest of the seat and.

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

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

The vehicle information collecting unit may predict a collision 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 further control the operation of the safety device by using a result of detecting at least one of the time point, intensity, and position 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 setting information including seat-specific information, and the safety device control unit may further use the user's setting information to control the operation of the safety device.

The seat-specific information may include at least one of an age of a passenger for each seat, a seated height, and whether a car seat is installed.

A safety device support method of a vehicle safety device support device according to an embodiment of the present invention includes the steps of collecting at least one of vehicle speed information, vehicle front information, and vehicle occupant information, and the vehicle speed information, the And controlling the operation of the safety device based on at least one of front information of the vehicle and passenger information in the vehicle, and in the controlling step, the type of the safety device to be operated, the operation direction of the safety device, and the safety device It is determined at least one of an operation intensity of the safety device, an operation position of the safety device, and an operation timing of the safety device.

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, and the physical condition of the occupant, it is possible to effectively protect the occupant.

1 is a block diagram of an apparatus for supporting a safety device for a vehicle 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 method of supporting a safety device of a device for supporting a safety device of a vehicle according to an embodiment of the present invention.
4 to 6 show examples in which the safety device support device according to an embodiment of the present invention determines an operation type of the safety device and controls the operation of the safety device.

The present invention is intended to illustrate and describe specific embodiments in the drawings, as various changes may be made and various embodiments may be provided. However, this is not intended to limit the present invention to a specific embodiment, it is to be understood to include all changes, equivalents, and substitutes included in the spirit and scope of the present invention.

Terms including ordinal numbers, such as second and first, may be used to describe various elements, but the elements are not limited by the terms. These terms are used only for the purpose of distinguishing one component from another component. For example, without departing from the scope of the present invention, a second component may be referred to as a first component, and similarly, a first component may be referred to as a second component. The term 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. Singular expressions include plural expressions unless the context clearly indicates otherwise. In the present application, terms such as "comprise" or "have" are intended to designate the presence of features, numbers, steps, actions, components, parts, or combinations thereof described in the specification, but one or more other features. It is to be understood that the presence or addition of elements or numbers, steps, actions, components, parts, or combinations thereof, does not preclude in advance.

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

Hereinafter, embodiments will be described in detail with reference to the accompanying drawings, but the same reference numerals are assigned to the same or corresponding components regardless of the reference numerals, and redundant descriptions thereof will be omitted.

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

In addition, the safety device control unit 200 detects a collision of the vehicle and controls the operation of the safety device based on 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, a passenger 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 detection unit 110 of the vehicle information collecting unit 100 detects at least one of a vehicle speed and acceleration. The speed detection unit 110 may sense one of a 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, a person, an 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 position 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 front detection unit 120 may be, for example, a part of an Advanced Driver Assitance System (ADAS).

The occupant detection unit 130 detects at least one of a position, a posture, and a physical condition of a occupant in the vehicle. As an example, the occupant detection unit 130 may detect the position of the occupant's head, the position of the hand, and the position of the upper body. That is, the occupant detection unit 130 includes 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 steering wheel, the distance between the occupant's upper body and the handle, and the occupant's upper body. It can detect whether there is contact between the backrests of the seat, etc. As another example, the occupant detection unit 130 may detect the occupant's seated height, upper body width, and body size. The occupant detection unit 130 may be implemented with a camera, an infrared sensor, an ultrasonic sensor, a radar device, or the like. The occupant detection unit 130 may be a part of a driver status monitoring (DSM) device, for example. The occupant detection unit 130 may detect not only a driver but also a passenger. To this end, the occupant detection unit 130 may be installed in one or more vehicles.

The operation information collecting unit 140 collects operation information of the vehicle. Here, the manipulation information means information on which the driver manipulates the vehicle. The operation information may be, for example, turn indicator 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 or an ECU.

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 pre-stored information, and when the collected information is different from the pre-stored information by a predetermined level or more, may store the collected information.

Also, the information collection unit 150 may predict a collision by analyzing the collected information. For example, the information collection unit 150 includes vehicle speed information collected from the speed detection unit 110, front information of the vehicle collected from the front detection unit 120, and a vehicle collected from the operation information collection unit 140 It is possible to predict a vehicle collision by using the operation information of. In addition, the information collection unit 150 may further predict the intensity and direction of an impact applied to the occupant in the event of a collision by using occupant information collected from the occupant detection unit 140.

Meanwhile, the collision detection unit 210 of the safety device control unit 200 operates when a vehicle collides, and detects at least one of a time point, intensity, and position of the collision. The collision detection unit 210 may be installed in at least one of outside and inside 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 multiple collision detection units 210 are installed in one vehicle. It can also be installed. The collision detection unit 210 may be, for example, a camera, an infrared sensor, an ultrasonic sensor, an impact sensor, or a radar device. 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 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, or a seat.

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

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

3 is a flowchart illustrating a method of supporting a safety device of a device for supporting a safety device of a vehicle according to an embodiment of the present invention. Here, descriptions of the contents overlapping with those of FIGS. 1 to 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). Meanwhile, the safety device control unit 200 of the safety device support device 10 detects a collision of a vehicle (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 an operation position, an operation strength, and an operation timing of the safety device using at least one of the attitude, position, and physical condition of the occupant and at least one of the intensity and position of the collision. have. In addition, 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 an 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 on occupants in a vehicle. The occupant information may be, for example, a position, posture, and physical condition of the occupant. Such occupant information may be detected by an occupant detection unit, for example, a camera 400 installed around a room mirror of a vehicle. When the safety device support device detects a vehicle collision, the determination unit of the safety device support device may determine an operation type of the seat belt that prevents the occupant from being bounced forward by restraining the upper body of the occupant. For example, when the seating height of the occupant is small, the seat belt shock absorber 410 is adjusted to operate, or the seat belt shock absorber 410 is moved. It can mitigate the impact on the body. When the shock absorbing device 410 of the seat belt operates, whether the shock absorbing device 410 is moved, and the direction of moving the shock absorbing device 410 may be determined by further considering 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, etc., when the shock absorber 410 operates, whether the shock absorber 410 is moved, and the shock absorber 410 You can also adjust the position movement direction of) step by step.

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

Referring to FIG. 5, 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 airbag. For example, the safety device support device may determine the operation timing, pressure, and position of the airbag according to the distance between the passenger's face and the handle. That is, when the distance between the occupant's face part and the handle is less than a predetermined distance, the airbag may operate like A, and when the distance between the occupant's face part and the handle exceeds a predetermined distance, the airbag may operate like B. That is, when the distance between the passenger's face and the steering wheel is less than a predetermined distance, the impact applied to the passenger's face can be alleviated by reducing the pressure of the airbag.

6 shows another example in which the safety device support device according to an embodiment of the present invention determines an operation type of the safety device and controls the operation of the safety device. Contents overlapping with 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 by a reaction after a collision from the position and posture of the upper body of the occupant, a moving path, time, and distance to which the upper body is returned after a collision. In addition, the safety device support device may adjust the movement distance, movement timing, movement position, etc. of the headrest or backrest of the seat based on the estimated 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 passenger information for each passenger. In addition, the safety device support device may determine an operation type of the safety device for each occupant in consideration of occupant information, the intensity of the collision, the location of the collision, and the direction of the collision. For example, if the face of the driver's seat is close to the steering wheel, the passenger in the passenger seat is a child, and a collision occurs in the direction of the driver's seat, the safety device support device is the type of safety device that operates on the driver's seat and passenger seat, and when it is operated. , Operation intensity, etc. can be set differently.

Although not shown, the vehicle information collection unit 100 may further include a setting information collection unit that collects setting information of a user. Before driving starts, the user can input the age of the occupant for each seat, the seat height, whether the car seat is installed, etc. using the setting information collection unit. When the collision detection unit detects a collision, the determination unit 220 includes 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, the operation type of the safety device can be determined by considering the information collected by the setting information collection unit.

Although the above has been described with reference to preferred embodiments of the present invention, those skilled in the art will variously modify and change the present invention within the scope not departing from the spirit and scope of the present invention described in the following claims. You will understand that you can do it.

100: vehicle information collection unit
200: safety device control unit
110: speed detection unit
120: front detection 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 vehicle speed information, vehicle front information, and occupant information in the vehicle, and
A safety device control unit that controls the operation of the safety device based on the information received from the vehicle information collection unit
Including,
The safety device control unit determines at least one of a type of a safety device to be operated, an operation direction of the safety device, an operation strength of the safety device, an operation position of the safety device, and an operation timing of the safety device. The method of claim 1,
The vehicle information collecting unit safety device supporting device including at least one of a camera, an infrared sensor, an ultrasonic sensor, and a radar device. The method of claim 1,
The safety device support device including at least one of a posture and a physical condition of the occupant in the vehicle in the vehicle occupant information. The method of claim 3,
At least one of a position and a physical condition of a passenger in the vehicle is at least one of a position of a head, a position of a hand, and a position of an upper body of the occupant. The method of claim 4,
At least one of the posture and physical condition of the occupant in the vehicle is the distance between the occupant's head and the steering wheel, the contact between the occupant's head and the headrest of the seat, the hand operating the steering wheel, the distance between the upper body of the occupant and the steering wheel, and the upper body of the occupant Safety device support device comprising at least one of whether or not contact between the and the seat back. The method of claim 3,
At least one of a posture and a physical condition of the occupant in the vehicle includes at least one of a seated height of the occupant, a width of an upper body, and a body size. The method of claim 1,
The vehicle information collection unit is a safety device support device for further collecting vehicle operation information. 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. The method of claim 1,
The safety device support device further controls the operation of the safety device by using a result of detecting at least one of a time point, intensity, and position of the collision. The method of claim 1,
The safety device is a safety device supporting device including at least one of a seat belt, an air bag, and a seat. The method of 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. The method of claim 1,
The vehicle information collection unit further collects user setting information including information for each seat,
The safety device control unit further controls the operation of the safety device by using the user's setting information. The method of claim 12,
The seat-specific information includes at least one of an age of a passenger for each seat, a seat height, and whether a car seat is installed. In the safety device support method of the vehicle safety device support device,
Collecting at least one of vehicle speed information, vehicle front information, and occupant information in the vehicle, and
And controlling the operation of the safety device based on at least one of the vehicle speed information, the vehicle front information, and the occupant information in the vehicle,
In the controlling step, a safety device support method of determining at least one of a type of a safety device to be operated, an operation direction of the safety device, an operation intensity of the safety device, an operation position of the safety device, and an operation timing of the safety device.

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