KR100613471B1 - Safety system for vehicle - Google Patents

Abstract

According to the present invention, a translucent mirror is mounted on the front side of which the external light is reflected and the inner light is transmitted, and the translucent room mirror having the coupling hook coupled to the existing room mirror of the vehicle; An internal image capturing unit attached to an upper end of the translucent room mirror via a support member which can be freely changed according to a user's operation, photographing the inside of the vehicle and outputting a captured internal image; A rear image photographing unit mounted on the rear of the vehicle and configured to photograph the rear of the vehicle and output the photographed rear image; An LCD display unit mounted on a rear surface of the translucent mirror and configured to display the internal image or the rear image received from the internal image capturing unit or the rear image capturing unit through the translucent mirror; A switching switch configured to select one of an output of the internal image capturing unit and an output of the rear image capturing unit so that the LCD display unit can display the image; And a power supply unit receiving power through a cigar jack of the vehicle. According to the disclosed vehicle safety system, when the driver needs to check the rear seat of the vehicle while driving, the rear seat can be safely checked through the LCD display built in the room mirror, thereby reducing the incidence of accidents.

Vehicle, safe driving, interior, rear, rearview mirror

Description

Safety system for vehicle

1 is a perspective view of a vehicle safety system according to an embodiment of the present invention;

FIG. 2 is a rear perspective view of the vehicle safety system shown in FIG.

Description of the main parts of the drawing

100 ... Vehicle Safety System 110 ... Translucent Room Mirror

111 ... Translucent mirror 112 ... Combined hook

120 Internal video camera 121 IR LED

122 Light sensor 123 Support member

130 ... rear imaging unit 131 ... microphone

132 ... Ultrasound sensor 133 ... Rear video recording connector

140 ... LCD display unit 141 ... LCD display brightness control unit

142 ... Switching switch part 143 ... External input terminal

144 ... External output terminal 150 ... speakers

151 Speaker volume control 160 Power switch

161 ... Power LED

The present invention relates to the safety of a vehicle, and more particularly to a vehicle safety system that can monitor the interior of the vehicle.

In general, when a child, an elderly person, or an animal is in the back seat of a vehicle, or a guest is in the back seat of a commercial vehicle such as a taxi, the driver turns to look back to grasp the situation of the back seat. At this time, when the vehicle is in operation, the driver turns his head to look backwards, which significantly increases the accident occurrence rate of the vehicle.

The present invention was devised to solve the above problems, and an object thereof is to provide a safety system for a vehicle that can safely check the situation of the rear seat without turning his head while driving.

Other objects and advantages of the invention will be described below and will be appreciated by the embodiments of the invention. In addition, the objects and advantages of the invention may be realized by the means and combinations indicated in the claims.

In the vehicle safety system of the present invention for achieving the above object, a translucent mirror is mounted on the front side of which the external light is reflected and the internal light is transmitted, and the coupling hook is coupled to the rear of the vehicle's existing room mirror. Translucent room mirror; An internal image capturing unit attached to an upper end of the translucent room mirror via a support member which can be freely changed according to a user's operation, photographing the inside of the vehicle and outputting a captured internal image; A rear image photographing unit mounted on the rear of the vehicle and configured to photograph the rear of the vehicle and output the photographed rear image; An LCD display unit mounted on a rear surface of the translucent mirror and configured to display the internal image or the rear image received from the internal image capturing unit or the rear image capturing unit through the translucent mirror; A switching switch configured to select one of an output of the internal image capturing unit and an output of the rear image capturing unit so that the LCD display unit can display the image; And a power supply unit receiving power through a cigar jack of the vehicle.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. Prior to this, terms or words used in the present specification and claims should not be construed as being limited to the common or dictionary meanings, and the inventors should properly explain the concept of terms in order to best explain their own invention. Based on the principle that it can be defined, it should be interpreted as meaning and concept corresponding to the technical idea of the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

1 is a perspective view of a vehicle safety system according to an embodiment of the present invention, Figure 2 is a rear perspective view of the vehicle safety system shown in FIG.

1 and 2, a vehicle safety system 100 according to an embodiment of the present invention includes a translucent room mirror 110, an internal image capturing unit 120, a rear image capturing unit 130, and an LCD display unit. 140, the changeover switch 142, and a power supply unit (not shown). Each configuration will be described in detail.

First, the translucent room mirror 110 is equipped with a translucent mirror 111 on which the outside light is reflected and the inside light is transmitted to the front surface thereof, and the rear side mirror is mounted on the existing room mirror of the vehicle. Coupling hooks 112 to be engaged are formed.

Here, the translucent mirror 111 serves as a mirror when the image is not displayed on the LCD display unit 140, and when the image is displayed on the LCD display unit 140, the LCD display unit. The remaining area except the area of 140 serves as a mirror. In addition, the front and rear of the translucent mirror 111 is preferably coated with chrome to protect the driver's eyes.

The coupling hook 112 may be made of a resilient material so that the translucent room mirror 110 can be easily coupled to the existing room mirror of the vehicle, and it is preferable to maintain sufficient strength so that the coupling is not separated after the coupling. Do.

Next, the internal image capturing unit 120 is mounted to the upper end of the translucent room mirror 110 via a support member 123 that can be freely changed according to the driver's operation, and photographs the inside of the vehicle. Then, the captured internal image is output to the LCD display unit 140.

Here, the internal image capturing unit 120 further includes an optical sensor 122 and an infrared LED 121 for detecting illuminance inside the vehicle, and automatically illuminates the infrared LED 121 when the interior illuminance is less than 0.5 Lux. ) Emits light to take an infrared image inside the vehicle, but is not limited thereto. Therefore, even during night driving, the driver can check the rear seat of the vehicle by using an infrared image without turning on the interior light of the vehicle.

In addition, the support member 123 includes a support material made of a lead material that is bent freely in a corrugated pipe made of plastic, so that the driver can freely switch the direction of the internal image capturing unit 120 and arrange wiring therein. do.

Meanwhile, the rear image photographing unit 130 is mounted on the rear of the vehicle to photograph the rear of the vehicle and output the photographed rear image to the LCD display unit 140. The rear image capturing unit 130 may further include an ultrasonic sensor 132 capable of detecting a distance to display a distance between the rear bumper of the vehicle and an obstacle at the rear of the vehicle on a part of the rear image.

In addition, the rear image capturing unit 130 further includes a microphone 131 capable of receiving an audio signal from the rear of the vehicle so that the driver can listen to the rear sound through the speaker 150. This allows the driver to know the situation behind the wheel more accurately, allowing the vehicle to back up more safely.

Here, the rear of the translucent room mirror 110 preferably includes a speaker 150 capable of reproducing a voice signal input from the microphone 131, and the speaker (at the bottom right of the translucent room mirror 110). It is preferable that the speaker volume control unit 151 that can adjust the volume of 150 is mounted.

In addition, when the rear distance, the distance between the rear bumper of the vehicle and the obstacle behind the vehicle, is less than 160 cm, the rear distance is displayed on the LCD display unit 140, and the rear distance is less than 100 cm. Generates a warning sound, and when the rear distance is less than 40 cm, it is preferable that the phrase 'STOP' is displayed on the LCD display 140. In addition, the ultrasonic sensor 132 is preferably four for accurate distance detection, and preferably provided with a control unit (not shown) for controlling the ultrasonic sensors 132, but is not limited thereto. In addition, the controller (not shown) calculates an accurate distance by integrating the distance sensing signals of the sensors so that the driver can more accurately grasp the situation behind the driver.

Next, the LCD display unit 140 is mounted on the back of the translucent mirror 111, characterized in that visible to the driver through the translucent mirror 111. In addition, since an image input from the external input terminal 143 may be displayed, a navigation image for receiving GPS information and providing driving information of a vehicle or a satellite DMB broadcast or a terrestrial DMB broadcast image provided through a DMB receiver may be viewed. Can be.

In addition, since the LCD display brightness adjusting unit 141 that adjusts the brightness of the LCD display unit 140 may be mounted at the lower left portion of the translucent room mirror 110, the LCD display unit 140 according to the needs of the driver. You can adjust the brightness.

In addition, an external output terminal 144 for outputting an image displayed on the LCD display unit 140 is further included, and when an additional recording device is connected, the image displayed on the LCD display unit 140 may be stored. If a separate display is connected, the image displayed on the LCD display unit 140 can be freely viewed.

Next, the changeover switch 142 may select one of the internal image, the rear image, the navigation image, and the DMB broadcast image to be displayed on the LCD display unit 140 by a driver's manipulation. Make sure Therefore, the driver can obtain the necessary image by simple operation, and there is an advantage that the LCD display unit 140 can be utilized for various purposes.

Here, when the reverse light of the vehicle is turned on, the changeover switch 142 determines that the transmission of the vehicle is in the reverse state and converts the image of the LCD display 140 into the rear image. Therefore, when the driver reverses the vehicle, the driver can safely reverse the vehicle while checking the situation behind the vehicle.

Meanwhile, the power supply unit (not shown) receives 12 volts of DC power from the cigar jack of the vehicle and supplies it to the vehicle safety system 100. The lower end of the translucent room mirror 110 is equipped with a power switch 160 that can cut off the power of the vehicle safety system 100, the driver can easily operate the power switch 160, the translucent It is preferable that the power LED 161 is mounted on the lower rear side of the mirror 111 so that the driver can easily determine whether the vehicle safety system 100 is operated.

Here, the first line unit for connecting the rear image photographing unit 130 and the vehicle safety system 100 and transferring power from the power supply unit (not shown) to the rear image photographing unit 130; The second line unit for transmitting the rear image to the LCD display unit 140, the third line unit for transmitting the audio signal received from the microphone 131 to the speaker 150, and the reverse light of the vehicle are turned on. A signal cable having a fourth line part and a ground line part, which receives a signal and transmits the signal to the changeover switch part 142, is further included. By using the signal cable, the rear image photographing unit 130 and the vehicle safety system 100 can be easily connected.

In addition, the internal image is input at predetermined time intervals and image processed using an MPEG4 compression algorithm, and the motion vector between the previously processed internal image and the current internal image is calculated to be smaller than a predetermined lower limit or a predetermined value. If greater than the upper limit, it may generate a warning sound through the speaker 150 to determine whether an accident occurs. Thus, even if the driver is not looking at the translucent room mirror, the driver can hear the warning sound and detect a dangerous situation in the rear seat.

According to the vehicle safety system of the present invention, the driver's turn does not turn to check the rear seat, and the rear seat situation can be easily confirmed through the rearview mirror having the LCD display, and thus the accident occurrence rate is significantly reduced. In addition, the rear obstacles can be checked during the reverse, reducing the incidence of accidents when reversing, and can listen to the DMB broadcast or view the navigation video through the room mirror.

As mentioned above, although this invention was demonstrated by the limited embodiment and drawing, this invention is not limited by this, The person of ordinary skill in the art to which this invention belongs, Of course, various modifications and variations are possible within the scope of equivalents of the claims to be described.

Claims (9)

A translucent mirror 110 having a translucent mirror 111 on which the external light is reflected and the inner light transmitted thereon is mounted on the front surface, and a coupling hook 112 coupled to the existing room mirror of the vehicle is provided on the rear surface of the translucent mirror; An internal image capturing unit 120 attached to an upper end of the translucent room mirror 110 via a support member 123 that can be freely changed according to a user's operation, photographing the inside of the vehicle and outputting the captured internal image. ); A rear image photographing unit 130 mounted on the rear of the vehicle and configured to photograph the rear of the vehicle and output the photographed rear image; Is mounted on the back of the translucent mirror 111, and displays the internal image or the rear image received from the internal image capture unit 120 or the rear image capture unit 130 through the translucent mirror 111 LCD display unit 140; A switching switch unit 142 for selecting one of an output of the internal image capturing unit 120 and an output of the rear image capturing unit 130 to be displayed on the LCD display unit 140; And It includes a power supply unit (not shown) that is supplied with power through the cigar jack (Cigar Jack) of the vehicle, The support member 123, Vehicle safety system 100, characterized in that the support of the lead material is bent freely in a corrugated pipe made of plastic. The method of claim 1, The internal image capturing unit 120, An optical sensor 122 for detecting illuminance inside the vehicle; And When the illuminance detected by the optical sensor 122 is less than a predetermined, further comprises an infrared LED 121 for emitting infrared rays, The LCD display unit (140) is a vehicle safety system (100), characterized in that for displaying the infrared image taken from the internal image capture unit (120). The method of claim 1, The vehicle interior safety system 100, It further includes an external input terminal 143 for receiving a GPS image or a navigation image for providing vehicle driving information or a satellite DMB broadcast or terrestrial DMB broadcast image provided through a DMB receiver. Through operation 142 of the changeover switch, any one of the internal image, the rear image, the navigation image, and the DMB broadcasting image may be selected and displayed on the LCD display unit 140. Automotive safety system 100. The method of claim 3, wherein The rear image capture unit 130, An ultrasonic sensor 132 mounted on the rear of the vehicle and detecting a distance between the rear bumper of the vehicle and an obstacle at the rear of the vehicle, When the shift switch unit 142 determines that the transmission of the vehicle is in the reverse state, the LCD display unit 140 automatically displays the rear image without a user's operation, and from the rear image photographing unit 130. And a distance between the input rear bumper of the vehicle and an obstacle behind the vehicle is displayed on a part of the rear image. The method of claim 3, wherein The vehicle safety system 100, Vehicle safety system (100), characterized in that it further comprises an external output terminal (144) for outputting the image displayed on the LCD display (140). delete The method of claim 4, wherein The rear image capture unit 130, Further comprising a microphone 131 for receiving a voice signal existing in the rear of the vehicle, The vehicle safety system 100, A speaker 150 for outputting a voice signal received from the microphone 131 on the rear surface of the translucent room mirror 110; And A first line connecting the rear image photographing unit 130 to the vehicle safety system 100 and transferring the power supplied from the cigar jack to the rear image photographing unit 130 by the power supply unit (not shown); A second line unit for transmitting a unit and the rear image to the LCD display unit 140, a third line unit for transmitting an audio signal received from the microphone 131 to the speaker 150, and a reverse light of the vehicle The safety system for a vehicle (100) further comprising a signal cable having a fourth line portion and a ground line portion for receiving a light signal of the transfer to the switching switch unit (142). The method of claim 7, wherein The changeover switch unit 142, And the transmission of the vehicle is determined to be in the reverse state based on the lighting signal of the reverse light of the vehicle received from the fourth line unit. The method of claim 1, The internal image is input at predetermined time intervals, and image processed using an MPEG4 compression algorithm, and the motion vector between the previously processed internal image and the current internal image is calculated to be smaller than a predetermined lower limit or higher than a predetermined upper limit. In a large case, the vehicle safety system, characterized in that for generating a warning sound through the speaker 150 to determine whether an accident occurred.

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