KR101698586B1 - Risk notification device when getting off of a car and method the same - Google Patents

Risk notification device when getting off of a car and method the same Download PDF

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Publication number
KR101698586B1
KR101698586B1 KR1020150070009A KR20150070009A KR101698586B1 KR 101698586 B1 KR101698586 B1 KR 101698586B1 KR 1020150070009 A KR1020150070009 A KR 1020150070009A KR 20150070009 A KR20150070009 A KR 20150070009A KR 101698586 B1 KR101698586 B1 KR 101698586B1
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South Korea
Prior art keywords
unit
gear
signal
vehicle
ultrasonic
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KR1020150070009A
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Korean (ko)
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KR20160136543A (en
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김대현
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주식회사 경신
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60QARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
    • B60Q5/00Arrangements or adaptations of acoustic signal devices
    • B60Q5/005Arrangements or adaptations of acoustic signal devices automatically actuated
    • B60Q5/006Arrangements or adaptations of acoustic signal devices automatically actuated indicating risk of collision between vehicles or with pedestrians
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60NSEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N5/00Arrangements or devices on vehicles for entrance or exit control of passengers, e.g. turnstiles
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60RVEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R21/00Arrangements or fittings on vehicles for protecting or preventing injuries to occupants or pedestrians in case of accidents or other traffic risks
    • B60R21/01Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents
    • B60R21/013Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over
    • B60R21/0134Electrical circuits for triggering passive safety arrangements, e.g. airbags, safety belt tighteners, in case of vehicle accidents or impending vehicle accidents including means for detecting collisions, impending collisions or roll-over responsive to imminent contact with an obstacle, e.g. using radar systems
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01SRADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S15/00Systems using the reflection or reradiation of acoustic waves, e.g. sonar systems
    • G01S15/88Sonar systems specially adapted for specific applications
    • G01S15/93Sonar systems specially adapted for specific applications for anti-collision purposes
    • G01S15/931Sonar systems specially adapted for specific applications for anti-collision purposes of land vehicles
    • B60R2021/0134
    • G01S2015/931

Abstract

Disclosure of the Invention The present invention discloses an apparatus and method for notifying a danger upon getting off. The present invention provides an apparatus and method for notifying a danger upon getting off a vehicle, comprising: an ultrasonic sensor unit mounted on a side and a rear of a vehicle to detect an obstacle around the vehicle; A gear sensing unit for sensing a gear mode; An approach direction and an approach speed of the obstacle based on the ultrasonic signal received from the ultrasonic sensor unit when the gear signal received from the gear sensing unit is switched to the P mode, And a control unit for outputting a situation.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a risk notification device,
The present invention relates to an apparatus and method for notifying a danger upon getting off, and more particularly, to an apparatus and method for notifying a danger when getting off the apparatus so as to avoid a danger from an obstacle approaching when getting off.
Generally, in the case of a vehicle such as a passenger car or a van, it may be inevitably exposed to a dangerous object such as a motor vehicle, a motorcycle, a handcart or a bicycle moving on an external adjacent road or a sidewalk at a time when a driver or a passenger gets off the vehicle There are many cases of human accidents.
Especially, elderly people and children are not easy to get off the car when they get off the car because of lack of attention and athletic ability.
Accordingly, in order to reduce such human casualties, a sensor for detecting an object within a certain distance has been conventionally installed on the vehicle body or the door side of the vehicle, and an alarm signal is generated when the door is opened or closed, City safety systems are known.
However, in the conventional safety system for getting on and off the vehicle, since the function of notifying the danger that may occur in a situation where the passenger is getting off is performed only in the vehicle, There is a problem in that the safety of passengers getting off is not fully protected because the risk countermeasures against moving objects such as a motorcycle approaching can not be performed quickly.
In addition, although the reliability of the above system is high, there is a problem in that it is difficult to apply the low-cost model because the installation cost is high.
As a background technique of the present invention, there is a "safe-on-boarding electronic helper device ", which is Korean Patent Publication No. 10-2010-0041344 (published on April 22, 2010).
SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and it is an object of the present invention to provide an apparatus and method for notifying a risk of getting on and off the inside of a vehicle so as to avoid a danger from an obstacle approaching when getting off.
It is another object of the present invention to provide an apparatus and method for notifying a danger upon getting off a vehicle that a safety system can be constructed at an inexpensive price using a sensor module installed in an existing vehicle.
According to an aspect of the present invention, there is provided a danger warning device for getting off a vehicle, comprising: an ultrasonic sensor part mounted on a side and a rear of a vehicle to detect an obstacle around the vehicle; A gear sensing unit for sensing a gear mode; An approach direction and an approach speed of the obstacle based on the ultrasonic signal received from the ultrasonic sensor unit when the gear signal received from the gear sensing unit is switched to the P mode, And a control unit for outputting a situation.
The present invention further includes a door sensing unit for sensing a door state. When the controller receives the door opening signal from the door sensing unit, the ultrasonic sensing unit receives the ultrasonic signal from the door sensing unit.
In the present invention, when the gear signal received from the gear sensing unit is converted into the P mode, the control unit receives the ultrasonic signal from the ultrasonic sensor unit mounted on the rear of the vehicle and receives the door open signal from the door sensing unit And receives an ultrasonic signal from an ultrasonic sensor unit mounted on a side surface of the vehicle to detect a shaded area that is not sensed before opening the door.
The present invention is characterized by further comprising an output unit provided in the vehicle interior and exterior, respectively, for outputting a dangerous situation under the control of the control unit.
According to an embodiment of the present invention, the control unit applies the warning differential system according to the risk, and sets the risk to a high level when the distance, approach direction, and approach speed of the obstacle exceed the pre-stored reference range.
According to another aspect of the present invention, there is provided a method of notifying a danger when getting off, comprising: sensing an obstacle around the vehicle; The control unit receiving the gear signal from the gear sensing unit; Detecting at least one of a distance, an approach direction and an approach speed of the obstacle based on the ultrasonic signal received from the ultrasonic sensor unit when the gear signal is switched to the P mode; And a step in which the control unit calculates a risk level based on the detection result.
According to the present invention, the control unit receives the door state from the door sensing unit. And receiving an ultrasonic signal from the ultrasonic sensor unit when the door open signal is received from the door sensing unit.
In the present invention, the step of receiving the ultrasonic signal from the ultrasonic sensor part may include: when the gear signal received from the gear sensing part is switched to the P mode, the control part transmits the ultrasonic signal from the ultrasonic sensor part mounted on the rear of the vehicle A primary sensing step of receiving the input signal; And a second sensing step of receiving the ultrasonic signal from the ultrasonic sensor part mounted on the side of the vehicle when the door opening signal is inputted from the door sensing part.
The present invention is further characterized in that the control unit further includes outputting the dangerous situation to an output unit provided in each of the inside and outside of the vehicle.
The step of calculating the degree of risk according to the present invention is characterized in that the control unit applies the warning differential system according to the degree of risk and sets the risk to a high level when the distance, approach direction and approaching speed of the obstacle exceed the pre- .
According to the present invention, the apparatus and method for notifying a danger upon getting off can warn the inside and the outside of the vehicle so as to avoid a danger from an obstacle approaching when getting off.
Further, according to the present invention, a safety system can be constructed at a low cost by using a sensor module installed in an existing vehicle, thereby reducing the cost and mounting the device more conveniently.
FIG. 1 is a configuration diagram of a danger warning device when getting off according to an embodiment of the present invention.
FIG. 2 is a flowchart illustrating a method of notifying a danger upon getting off according to an embodiment of the present invention.
3 is a view illustrating an example of a detection range of a danger warning device when getting off according to an embodiment of the present invention.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an apparatus and method according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.
FIG. 1 is a configuration diagram of a danger warning device for getting off according to an embodiment of the present invention, FIG. 3 is an exemplary view showing a sensing range of a danger warning device when getting off according to an embodiment of the present invention, The following describes a danger notification device according to the present embodiment.
As shown in FIG. 1, the danger warning device for getting off includes an ultrasonic sensor unit 100, a gear sensing unit 200, a door sensing unit 300, a control unit 400, and an output unit 500.
As shown in FIG. 3, a plurality of ultrasonic sensor units 100 are mounted on the side and rear of the vehicle. A first side detection sensor 110, a second side detection sensor 120, a first rear detection sensor 130, and a second rear detection sensor 140. The first side detection sensor 110, the second side detection sensor 120,
At this time, the first lateral sensing sensor 110 and the second lateral sensing sensor 120 may be respectively mounted on the right door where the passenger descends, and the first rear sensing sensor 130 and the second rear sensing sensor 140 are mounted on the left and right sides of the rear of the vehicle, respectively, to sense an object.
For example, the first side face detection sensor 110 mounted on the right front door, the second side face detection sensor 120 mounted on the right rear door, the first rear side sensor 130 mounted on the rear right side of the vehicle, And a second rear sensing sensor 140 mounted on the rear left side.
The first rear sensing sensor 130 and the second rear sensing sensor 140 can also be used as a rear sensor when reversing through angle adjustment.
In addition, in the embodiment of the present invention, the first side surface sensor 110 and the second side surface sensor 120 of the ultrasonic sensor unit 100 are mounted on the contact surface of the door and mounted at a position 50 cm horizontally from the ground surface . This may be an optimal position for sensing the object.
The ultrasonic sensor unit 100 senses an obstacle around the vehicle and transmits the detection result to the controller 400. [
The ultrasonic sensor unit 100 transmits the ultrasonic wave to the obstacle, receives the ultrasonic wave reflected by the obstacle, and outputs the signal to the control unit 400.
The gear sensing unit 200 senses a gear signal that is switched to the P, R, N, and D modes by operating the gear lever of the driver, and transmits the sensed gear signal to the control unit 400.
The door sensing unit 300 senses the door state of the vehicle and transmits the sensed door state to the control unit 400. The door sensing unit 300 may sense not only opening and closing the door but also locking the door.
The controller 400 is a BCM (Body Control Module) provided in the vehicle. When the obstacle sensing signal is received from the ultrasonic sensor unit 100, the control unit 400 can determine whether or not the obstacle is approachable.
The distance of the obstacle can be detected based on the time difference of the ultrasonic signal reflected from the obstacle by the ultrasonic sensor unit 100 and transmitted back to the obstacle.
For example, the distance measurement formula according to the transmission / reception time difference of the ultrasonic signal is given as follows.
Figure 112015048084453-pat00001
Here, L is the distance (m) to the obstacle, Vs is the sound velocity (m / s), and t is the time (s) required for the ultrasonic signal to return.
In addition, the control unit 400 may calculate the approach speed of the obstacle based on the time rate of change of the distance of the obstacle.
At this time, if it is determined that the obstacle will approach the vehicle within the pre-stored time based on the distance of the obstacle and the approach speed of the obstacle, the controller 400 determines that the obstacle is in a dangerous state and informs the output unit 500 through the obstacle.
The control unit 400 detects the distance, the approach direction and the approaching speed of the obstacle based on the ultrasonic signal received from the ultrasonic sensor unit 100, and calculates the risk based on the detection result.
Accordingly, the control unit 400 may apply the warning differential system according to the risk, and may set the risk to be high if the distance, the approach direction, and the approach speed of the obstacle exceed the pre-stored reference range.
The control unit 400 receives the mode of the gear sensing unit 200 and can control on / off of the danger preventing device when the gear sensing unit 200 is operated according to the mode.
For example, the control unit 400 determines that the passenger is getting off when the P mode is inputted from the gear sensing unit 200, and can activate the ultrasonic sensor unit 100.
The control unit 400 receives ultrasonic signals from the first and second rear sensing sensors 130 and 140 mounted on the rear of the vehicle when the gear signal received from the gear sensing unit 200 is switched to the P mode, A first side face detection sensor 110 and a second side face detection sensor 110 mounted on a side surface of the vehicle for detecting a shadow area that is not sensed before opening the door when receiving a door open signal from the door sensing unit 300, 120 to receive the ultrasound signals.
That is, when the ultrasonic sensor unit 100 is activated, the control unit 400 receives the primary sensed values from the first and second rear sensing sensors 130 and 140, And receives a secondary sensed value from the first side sensing sensor 110 and the second side sensing sensor 120.
At this time, the controller 400 may receive the P mode from the gear sensing unit 200 and ignore the reflected waves within a predetermined distance even if the first side surface sensor 110 and the second side surface sensor 120 are activated. The reflected wave reflected by the control unit 400 at a distance of 1 cm or less can be ignored even if it is judged that the door is not opened.
The output unit 500 can be provided on the inside and outside of the vehicle and not only can notify a passenger who is getting off the inside of the output unit 500 of the danger, Etc.).
At this time, the output unit 500 includes at least one of a warning lamp and a speaker.
As described above, according to the embodiment of the present invention, the danger warning device for getting off is warned to prevent danger from an obstacle approaching when getting off the passenger, so that the passenger can be protected more safely.
Further, according to the present invention, a safety system can be constructed at a low cost by using a sensor module installed in an existing vehicle, thereby reducing the cost and mounting the device more conveniently.
FIG. 2 is a flowchart of a danger notification method according to an embodiment of the present invention. Referring to FIG. 2, a risk notification method according to the present embodiment will now be described.
First, the control unit 400 receives the gear mode from the gear sensing unit 200 and determines whether the gear mode is switched to the P mode (S100).
If the gear mode is the P mode (YES in step S100), the first rear sensing sensor 130 senses the blind spot first (S200). For example, the controller 400 may scan the same object more than twice through the first rear sensing sensor 130 to determine whether there is an approach or a distance.
At this time, the controller 400 determines that the passenger is about to get off and activates the risk notification device upon getting off.
The control unit 400 determines whether an obstacle is detected through the primary detection in step S200 (S300). At this time, if an obstacle is detected (YES in step S300), the control unit 400 warns through the output unit 500 (S700). Also, the control unit 400 may display the distance to the obstacle, the approach direction, and the approach speed through the output unit 500. At this time, the output unit 500 may be a vehicle instrument panel in this embodiment.
If an obstacle is not detected by the primary detection (NO in step S300), the controller 400 receives the door opening signal from the door sensing unit 300 and determines whether the door is opened or closed (S400). At this time, if the door is not opened (NO in step S400), the door open signal is continuously inputted from the door sensing unit 300 until the door is opened. However, if the P mode inputted from the gear sensing unit 200 is stored for a predetermined time or longer after the predetermined time has elapsed, the process can be terminated.
If the control unit 400 determines that the door is opened (Yes in step S400), the first lateral sensing sensor 110 and the second lateral sensing sensor 120 detect a shadow area that is not detected in the primary sensing operation ).
At this time, the first side face detection sensor 110 and the second side face detection sensor 120 are generally provided on the right door where the passenger gets off, and the first side face detection sensor 110 mounted on the front door and the And a second side sensing sensor 120. [
The controller 400 determines that the door is not opened even when the first side surface sensor 110 and the second side surface sensor 120 are activated, so that the reflected wave reflected at a distance of 1 cm or less can be ignored even if the reflected wave is received.
The control unit 400 determines whether or not the obstacle is approaching based on the primary sensing signal and the secondary sensing signal (S600). At this time, the control unit 400 detects the distance of the obstacle based on the time difference between the ultrasonic signal transmitted to the obstacle and the return time of the ultrasonic signal, Can be calculated.
If the control unit 400 determines that the obstacle will approach the vehicle (YES in step S600), the control unit 400 informs or alerts the dangerous situation through the output unit 500 (S700). On the other hand, when the control unit 400 determines that there is no object to be approached (NO in step S600), the process ends.
The control unit 400 controls the output unit 500 when it is determined that the obstacle will approach the vehicle within a predetermined time based on the distance of the obstacle and the approach speed of the obstacle.
The control unit 400 may output an alarm differential system according to the reaction quantity of the ultrasonic sensor unit 100 and the approach speed of the obstacle.
For example, if an obstacle is detected only in the first rear detection sensor 130 and the approaching speed of the obstacle is slow, an access notification is output to the vehicle instrument panel or navigation system, and the first side detection sensor 110, If an obstacle is detected in both the first rear sensor 120 and the first rear sensor 130 and the approaching speed of the obstacle is fast, a warning sound and an emergency warning can be issued to the inside and outside of the vehicle. Therefore, passengers and upcoming obstacles (people, motorcycles, etc.) can be alerted to dangerous situations.
If the control unit 400 does not receive the P mode from the gear sensing unit 200 (NO in step S100), it is determined whether the gear mode is the R mode (S110). At this time, if the control unit 400 does not receive the R mode from the gear sensing unit 200 (NO in S110), the process ends.
If the gear mode is the R mode (YES in step S110), the controller 400 receives a signal from the first rear sensing sensor 130 and the second rear sensing sensor 140 (S120). At this time, the first rear sensing sensor 130 is activated in both the P mode and the R mode, but the second rear sensing sensor 140 is activated only in the R mode so that the controller 400 can control the backward sensing sensor 130 in the backward direction.
Accordingly, the first rearward sensor 130 may be used when it detects a rear obstacle at the time of backward movement and when it indicates a dangerous situation due to an access obstacle at the time of getting off.
The operation flow of the ultrasonic sensor unit 100 will be described. First, the control unit 400 is initialized to determine whether or not the ultrasonic sensor 100 is abnormal. At this time, a plurality of ultrasonic sensor units 100 are provided, and the controller 400 includes a first side surface sensor 110, a second side surface sensor 120, a first rear sensor 130, The presence or absence of abnormality of the battery 140 can be determined.
The control unit 400 may output a warning sound through the output unit 500 when it is determined that the ultrasonic sensor unit 100 is abnormal. Then, the ultrasonic sensor unit 100 is in a standby state.
Meanwhile, when the controller 400 determines that the ultrasonic sensor unit 100 is normal, the controller 400 transmits ultrasonic waves to the surrounding obstacles from the first and second rear sensors 130 and 140.
In order to detect a shaded area that can not be sensed by the first rear sensing sensor 130, the first side sensing sensor 110 and the second side sensing sensor 120 transmit ultrasonic waves to the obstacle.
Next, the control unit 400 determines whether or not the ultrasonic signals transmitted to the obstacles from the first and second side sensors 130 and 120 return to the obstacle, Calculate the velocity of the ultrasonic signal.
For example, the formula for measuring the return time of an ultrasonic signal is as follows.
Figure 112015048084453-pat00002
Here, L is the distance (m) to the obstacle, Vs is the sound velocity (m / s), and t is the time (s) required for the ultrasonic signal to return.
Therefore, the control unit 400 can know the distance of the obstacle and calculate the approaching speed of the obstacle based on the time rate of change of the distance of the obstacle.
As described above, the danger notification method according to an embodiment of the present invention provides an effect of safely protecting passengers by warning the inside and the outside of the vehicle so as to avoid danger from an obstacle approaching when getting off.
Further, according to the present invention, a safety system can be constructed at a low cost by using a sensor module installed in an existing vehicle, thereby reducing the cost and mounting the device more conveniently.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.
Accordingly, the true scope of the present invention should be determined by the following claims.
100: ultrasonic sensor part 110: first side face detection sensor
120: second side face detection sensor 130: first side face detection sensor
140: second rear sensing sensor 200: gear sensing unit
300: Door detection unit 400: Control unit
500: Output section

Claims (10)

  1. An ultrasonic sensor unit mounted on a side and a rear of the vehicle to detect an obstacle around the vehicle;
    A gear sensing unit for sensing a gear mode; And
    An approach direction and an approach speed of the obstacle based on the ultrasonic signal received from the ultrasonic sensor unit when the gear signal received from the gear sensing unit is switched to the P mode, And a control unit for outputting a signal indicating a dangerous situation,
    Further comprising: a door detection unit detecting a door condition,
    Wherein the controller receives an ultrasonic signal from the ultrasonic sensor unit when receiving the door open signal from the door sensing unit,
    Wherein,
    When the gear signal received from the gear sensing unit is switched to the P mode, performs a primary sense paper receiving an ultrasonic signal from the ultrasonic sensor unit mounted on the rear of the vehicle,
    Wherein when the door opening signal is received from the door sensing unit, the sensor senses a shadow area that is not sensed before the door is opened, and performs a second sensing operation to receive the ultrasonic signal from the ultrasonic sensor unit mounted on the side of the vehicle, When an ultrasonic signal within a certain distance from the ultrasonic sensor part mounted on the side of the vehicle is input,
    When the gear signal received from the gear sensing unit is switched to the R mode, the ultrasonic signal is received from the ultrasonic sensor unit mounted on the rear of the vehicle,
    Wherein the warning differential system is applied according to the risk, and when the distance, the approach direction and the approaching speed of the obstacle exceed the pre-stored reference range, the risk is increased.
  2. delete
  3. delete
  4. The method according to claim 1,
    Further comprising an output unit which is provided in each of the inside and outside of the vehicle and outputs an output of a dangerous situation under the control of the control unit.
  5. delete
  6. The control unit receiving the gear signal from the gear sensing unit;
    Receiving the ultrasonic signal from the ultrasonic sensor unit when the gear signal is switched to the P mode;
    Detecting at least one of a distance, an approaching direction and an approaching speed of the obstacle based on an ultrasonic signal received from the ultrasonic sensor unit; And
    And the control unit calculates a risk based on the detection result,
    Receiving the door state from the door sensing unit; And
    Further comprising receiving the door opening signal from the door sensing unit, wherein the controller receives the ultrasonic signal from the ultrasonic sensor unit,
    Wherein,
    When the gear signal received from the gear sensing unit is switched to the P mode, performs a primary sense paper receiving an ultrasonic signal from the ultrasonic sensor unit mounted on the rear of the vehicle,
    Wherein when the door opening signal is received from the door sensing unit, the sensor senses a shadow area that is not sensed before the door is opened, and performs a second sensing operation to receive the ultrasonic signal from the ultrasonic sensor unit mounted on the side of the vehicle, When an ultrasonic signal within a certain distance from the ultrasonic sensor part mounted on the side of the vehicle is input,
    When the gear signal received from the gear sensing unit is switched to the R mode, the ultrasonic signal is received from the ultrasonic sensor unit mounted on the rear of the vehicle,
    Wherein the controller applies the warning differential system according to the risk, and increases the risk if the distance, the approach direction, and the approach speed of the obstacle exceed the pre-stored reference range, How Risk Notification Works.
  7. delete
  8. delete
  9. The method according to claim 6,
    Further comprising the step of the control unit outputting a risk situation to an output unit provided in each of the inside and outside of the vehicle.
  10. delete
KR1020150070009A 2015-05-19 2015-05-19 Risk notification device when getting off of a car and method the same KR101698586B1 (en)

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Cited By (1)

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Publication number Priority date Publication date Assignee Title
KR20190031800A (en) 2017-09-18 2019-03-27 현대자동차주식회사 System and Method for warning passenger before getting off a vehicle

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KR0181489B1 (en) * 1996-05-22 1999-04-01 임경춘 Accident preventing apparatus when parking a car
KR20040098387A (en) * 2003-05-14 2004-11-20 현대모비스 주식회사 Warning system of door open in car and controlling system
KR20140050472A (en) * 2012-10-19 2014-04-29 현대모비스 주식회사 Safety apparatus for alight from vehicle

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20190031800A (en) 2017-09-18 2019-03-27 현대자동차주식회사 System and Method for warning passenger before getting off a vehicle

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