KR200305415Y1 - Alarm Device for Backward Danger of Vehicle - Google Patents

Abstract

The present invention relates to a warning device for informing a driver of a dangerous situation due to an obstacle that may occur when the vehicle reverses, and relates to a vehicle rear danger warning device that can be easily installed without wiring even in a vehicle shipped without an alarm device. Vehicle rear danger warning device (1) of the present invention is mounted to the rear of the vehicle (2) for detecting the distance to the rear obstacle distance sensor (10); Connected to the electric wiring 4 of the vehicle reversing light 3, it detects whether power is supplied to the electric wiring 4, and sends a signal to operate the distance sensor 10 when a current flows in the electric wiring 4. Hall sensor 20; A wireless signal transmitter 30 for transmitting a wireless alarm signal according to the detected signal when it is detected that the distance to the rear obstacle detected by the distance sensor 10 is within a predetermined distance; A solar cell 40 having a rechargeable battery 41 for supplying power for sensing the distance sensor 10; And a warning unit 50 mounted at an adjacent position of the driver's seat to warn the driver of the proximity of an obstacle according to a signal from the wireless signal transmitter 30; It includes. Preferably, the distance sensor 10, the hall sensor 20, the wireless signal transmitter 30, and the solar cell 40 are mounted in the sensor housing 100 installed at the rear of the vehicle 2, and a warning unit ( 50 is mounted to the indoor housing 200 is installed in a position adjacent to the driver's seat. Preferably, the hall sensor 20 stops the operation of the warning unit 50 by transmitting a signal through the wireless signal transmitter 30 when no current flows through the electric wiring 4.

Description

Alarm Device for Backward Danger of Vehicle

(Technology)

The present invention relates to a rear danger warning device of a vehicle, and more particularly, an alarm device that informs a driver of a dangerous situation due to an obstacle that may occur when the vehicle reverses, and is easily connected to a vehicle shipped without an alarm without wiring. The present invention relates to a vehicle rear hazard warning device that can be mounted.

(Background)

When the driver reverses the vehicle, the driver generally moves backward while visually observing the obstacle behind the vehicle through the rearview mirror or the outside mirror, but contact accidents are often caused by a misunderstanding of the distance from the obstacle behind the vehicle. .

For this reason, devices that detect an obstacle present in the rear of the vehicle by an electronic device instead of the driver's vision and alert the driver have been developed and widely used.

There are many kinds of existing alarm devices, but the buzzer detects the distance from the rear obstacle by the distance sensor (ultrasound sensor) attached to the rear bumper of the vehicle and sends the detection signal to the ECU of the vehicle. It is the most common thing to alert the driver of the danger of a crash by ringing the alarm.

However, the conventional alarm devices have no problem when applied and mounted from the design stage of the vehicle, but in order to apply to a vehicle already shipped without an alarm device, an ultrasonic sensor is mounted on the rear bumper and a buzzer is mounted on the driver's instrument panel. Since the wiring was required to pass through the inside of the vehicle, a lot of work was required, and the vehicle had to be damaged for the wiring.

The object of the present invention is to solve the installation problems of the conventional vehicle rear hazard warning device as described above, and can be easily mounted on already shipped vehicles without complicated electric wiring that may damage the vehicle. It is to provide a vehicle rear hazard warning device.

1 is a block diagram of an exemplary vehicle rear danger warning device according to the present invention;

Figure 2 is an exemplary operational flow diagram of the vehicle rear hazard warning apparatus according to the present invention.

<Description of Symbols for Main Parts of Drawings>

1: alarm device of the present invention 2: vehicle

3: reverse light 4: reverse light electric wiring

5: battery 10: distance sensor

20: Hall sensor 30: Wireless signal transmitter

31: infrared light emitting unit 40: solar cell

41: rechargeable battery 50: warning part

51: buzzer 52: flashing light

53: infrared light receiving unit 60, 70: control unit

100: sensor housing 200: indoor housing

According to the present invention, a vehicle rear hazard warning device using a solar cell is provided.

The vehicle rear danger warning device of the present invention includes a distance sensor, a hall sensor, a wireless signal transmitter, a solar cell and a warning part.

The distance sensor is mounted on the rear of the vehicle to detect the distance to the rear obstacle.

The hall sensor is connected to an electric wiring of a vehicle reversing lamp and detects whether power is supplied to the electric wiring, and transmits a signal for operating the distance detecting sensor when a current flows in the electric wiring.

The wireless signal transmitter transmits a wireless alarm signal according to the detected signal when it is detected that the distance to the rear obstacle detected by the distance sensor is within a predetermined distance.

The solar cell supplies power for sensing the distance sensor.

The warning unit is mounted at an adjacent position of the driver's seat to warn the driver of the proximity of the obstacle according to a signal from the radio signal transmitting unit, and preferably includes a buzzer and / or a flashing light.

Preferably, the distance sensor, the hall sensor, the wireless signal transmitter and the solar cell are mounted in a sensor housing installed at the rear of the vehicle, and the warning unit is mounted in an indoor housing installed at a position adjacent to the driver's seat.

Preferably, the hall sensor may transmit a signal to the warning unit through the wireless signal transmitter to stop the operation of the warning unit when no current flows in the electrical wiring.

Hereinafter, with reference to the accompanying drawings will be described in detail the vehicle rear hazard warning device according to the present invention. The following embodiments are merely illustrative of the vehicle rear hazard warning apparatus according to the present invention, and are not intended to limit the scope of the present invention.

1 is a block diagram of an exemplary vehicle rear hazard warning apparatus according to the present invention, and FIG. 2 is an exemplary flow chart of a vehicle rear hazard warning apparatus according to the present invention.

As shown, the vehicle rear hazard warning device 1 of the present invention is basically a distance sensor 10, a hall sensor 20, a wireless signal transmitter 30, a solar cell 40 and a warning unit 50. ). Preferably, the distance sensor 10, the hall sensor 20, the wireless signal transmitter 30 and the solar cell 40 are physically at the rear side of the vehicle 2, preferably the reversing light 3 and the rear bumper. It is installed in the sensor housing 100 mounted at a position adjacent to the, the warning unit 50 is mounted to the indoor housing 200 mounted at a position adjacent to the driver's seat.

The distance sensor 10 is a well-known sensor widely used for the vehicle rear hazard warning device that can detect the distance by the reflected wave, such as an ultrasonic sensor, the obstacle behind the vehicle (2) and the vehicle (2) Will be detected.

When the start of the vehicle 2 is turned off or is not backward, the distance sensor 10 minimizes the use of power by stopping the operation, and the operation of the distance sensor 10 is such that It is determined by the sensing of the sensor 20.

The hall sensor 20 is connected to an electric wiring 4 connected to the vehicle reversing light 3, and when the electric current is supplied to the electric wiring 4, that is, the driver manipulates the gear to reverse. When the sensor detects this and sends an operation signal to the distance sensor 10, the distance sensor 10 operates only when the driver reverses the operation and does not operate otherwise.

The sensor housing 100 is provided with a wireless signal transmitter 30 along with the distance sensor 10 and the hall sensor 20. The wireless signal transmitter 30 is a component for transmitting a signal between the sensor housing 100 and the indoor housing 200 which are not electrically connected to each other by wire.

That is, when the rear obstacle is approached within a predetermined distance and the distance sensor 10 detects this and sends a corresponding danger signal, the wireless signal transmitter 30 transmits a radio signal indicating a dangerous state according to the detected signal. do. As the wireless signal transmitter 30, a general infrared communication apparatus including an infrared emitter 31 or the like can be used.

The power required for the distance sensor 10, the hall sensor 20, and the wireless signal transmitter 30 included in the sensor housing 100 includes a rechargeable battery 41 instead of a battery 5 provided in a vehicle. It is supplied by the solar cell 40.

As such, the reason for supplying power to the solar cell 40 for the components in the sensor housing 100 is that the power of the vehicle 2 must be used in mounting the vehicle 2 of the sensor housing 100. This is to eliminate the inconvenience of mounting by doing. Accordingly, the electricity generated by the solar cell 40 when there is light is charged in the rechargeable battery 41 to supply the power required for the sensor housing 100 through day and night.

Of course, the sensor housing 100 includes a controller 60 for controlling the operation of the distance sensor 10, the hall sensor 20 and the wireless signal transmitter 30 in accordance with the purpose of the present invention.

At the position close to the driver's seat is provided with a warning unit 50 for warning the driver of the proximity of the obstacle. The warning unit 50 is mounted to the indoor housing 200 formed separately from the sensor housing 100, for example in a fixing means such as double-sided adhesive tape in a position close to the driver's seat, such as an instrument panel. It attaches suitably.

The warning unit 50 may be configured to include a buzzer 51 that audibly outputs a danger signal and / or a flashing light 52 that visually outputs a danger signal. The power supply to the warning unit 50 does not exclude the use of a separate solar cell other than the solar cell 40. However, since the power can be easily supplied to the driver's seat using a cigar jack or the like, the power supply from the vehicle battery 5 is supplied. It is preferable to use.

The warning unit 50 includes an infrared light receiving unit 53 for receiving a wireless signal transmitted from the above-described wireless signal transmitting unit 30, and the buzzer 51 and / or by the signal received by the infrared light receiving unit 53. Or operate flashing light 52. Of course, the indoor housing 200 also includes a control unit 70 for controlling the operation of the warning unit 50.

The operation of the buzzer 51 and / or the flashing light 52 which has started to operate due to the presence of an obstacle may be provided with a stop button in the warning unit 50, for example, to allow the driver to stop manually.

Further, as another example, when the driver changes the gear from reverse to other state so that no electric current flows in the electric wiring 4, the hall sensor 20 detects the signal and transmits the signal to the wireless signal transmitter 30. And a signal indicating that the radio signal transmitter 30 is not in the reverse state of the vehicle, and the warning unit 50 receives the signal, thereby causing the buzzer 51 and / or the flashing light 52 to be transmitted. ) Can be disabled.

Hereinafter, with reference to Figure 2 will be described an exemplary operation flow of the vehicle rear hazard warning device 1 according to the present invention.

First, when a signal indicating that current is being supplied to the electric wiring 4 to the reverse lamp 3 by sensing of the hall sensor 20 (a signal indicating that the vehicle puts the reverse gear) (S1), the distance The sensor 10 measures the distance to the obstacle under the control of the controller 60, and the controller 60 determines whether the measurement distance is within a predetermined reference distance range (S2). When the measurement distance is within the reference distance range (YES), the controller 60 controls the wireless signal transmitter 30 to transmit a signal indicating that the dangerous state from the infrared light emitter 31 (S3).

The dangerous state signal from the wireless signal transmitter 30 is transmitted to the warning unit 50 near the driver's seat so that the infrared light receiving unit 53 of the warning unit 50 receives the dangerous state signal (S4), and the control unit. By operating the buzzer 51 and / or the flashing light 52 under the control of 70 (S5), the driver recognizes that an obstacle is close to the rear of the vehicle.

Next, when the driver recognizes a dangerous situation and the power is cut off from the reverse gear to another gear such as a drive, the power is cut off by the electric wiring 4 to the reverse lamp 3. Transmits a corresponding signal (danger state release signal) (S6), and then the controller 60 controls the radio signal transmitter 30 to transmit a signal indicating that the dangerous state has been released from the infrared light emitter 31; (S7). When the dangerous state release signal from the wireless signal transmitter 30 is transmitted to the warning unit 50 again, the infrared light receiving unit 53 of the warning unit 50 receives the dangerous state release signal (S8), and the control unit ( Under the control of 70, the operation of the buzzer 51 and / or the flashing light 52 is stopped (S9).

As described above in detail the vehicle rear hazard warning device 1 of the present invention, the distance sensor 10, the hall sensor 20, the wireless signal transmitter 30, the solar cell 40 constituting the present invention. And since the detailed configuration of the warning unit 50 itself is well known technology, a detailed description thereof will be omitted.

According to the vehicle rear hazard warning device 1 according to the present invention described above, the power required for the distance sensor 10 or the like to be mounted on the rear of the vehicle is supplied by the solar cell 40, By performing the communication with the warning unit 50 by wireless communication, there is an effect that the vehicle rear hazard warning device can be easily mounted on a vehicle already shipped without complicated electric wiring that may cause damage to the vehicle.

In addition, the electric power by the vehicle rear danger warning device 1 by allowing the rear sensor 3 to operate only when necessary by operating the distance sensor 10 only when power is supplied to the reverse lamp 3. It also has the effect of minimizing consumption.

Claims (3)

A distance detecting sensor 10 mounted at the rear of the vehicle 2 to detect a distance from the rear obstacle; Connected to the electric wiring 4 of the vehicle reversing light 3 to detect whether power is supplied to the electric wiring 4 so that the distance sensor 10 is operated when a current flows in the electric wiring 4. Hall sensor 20 for sending a signal; A wireless signal transmitter 30 which transmits a wireless alarm signal according to the detection signal when it is detected that the distance to the rear obstacle detected by the distance sensor 10 is within a predetermined distance; A solar cell 40 having a rechargeable battery 41 for supplying power for sensing the distance sensor 10; And A warning unit 50 mounted at an adjacent position of the driver's seat to warn the driver of the proximity of an obstacle according to a signal from the radio signal transmitter 30; Characterized in that it comprises a vehicle rear hazard warning device. The sensor housing (100) of claim 1, wherein the distance sensor (10), the hall sensor (20), the wireless signal transmitter (30), and the solar cell (40) are installed at the rear of the vehicle (2). ), The warning unit 50 is mounted to the indoor housing 200 is installed in a position adjacent to the driver's seat, vehicle rear hazard warning device. According to claim 1 or 2, The Hall sensor 20 when the current does not flow in the electrical wiring 4, by transmitting a signal through the wireless signal transmitter 30 to the warning unit 50 Vehicle rear danger alarm, characterized in that to stop the operation of the).