KR101121147B1 - Alarm system for passing bicycle and the method thereof - Google Patents

Abstract

PURPOSE: A bicycle traffic display system and a method thereof are provided to display a bicycle or vehicle traffic situation, thereby preventing a traffic accident in beforehand. CONSTITUTION: A bicycle sensor(110) is comprised of a loop coil sensor. A plurality of detection sensors is installed with a gap equal to a distance between the front and rear wheels of a bicycle. A bicycle sensor senses movements of the bicycle by detecting inductance change. A screen display part(120) displays predetermined content. A controller(130) controls flickering speed of the screen display part by receiving a detection signal from the plurality of detection sensors.

Description

Bicycle traffic display system and its method {ALARM SYSTEM FOR PASSING BICYCLE AND THE METHOD THEREOF}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a bicycle traffic display system and a method thereof, and more particularly, to a bicycle traffic display system and a method for displaying a traffic state of a bicycle to an automobile user when the bicycle is to cross an intersection or the like.

Bicycles are widely used in connection with public transportation. Bicycle storage is installed at subway stations and bus stops, and local governments are also taking the lead in popularizing bicycles by providing bicycle rental services to reduce environmental pollution and provide residents' convenience.

As bicycle use becomes popular, various facilities for the safety and convenience of bicycle users are also increasing, such as a bicycle lane.

However, there may be a risk of a traffic accident due to failure to detect a traffic situation of a bicycle at an intersection where a bicycle lane and a general road meet each other.

Conventionally, a vehicle driving state pre-warning system that checks the state of a driving vehicle by paying attention to other vehicles, pedestrians, bicycles, and the like by illuminating a light or a pattern that visually identifies a driving speed, steering direction, and the like of a vehicle (Korea Patent Registration) 10-0874145) is disclosed, but the prior art in the environment in which the bicycle-only road is installed, it was not accurately detected the movement of the bicycle prior to the entry of the point where the accident is likely to occur, such as an intersection, so as not displayed to the driver, such as a car, There was a problem of ineffectiveness.

Therefore, in order to prevent traffic accidents occurring at intersections of bicycle-only roads and general roads, a study on a system and method for detecting a bicycle movement and displaying a bicycle movement state using a plurality of sensors is required.

The present invention provides a system and method for preventing a traffic accident by displaying a traffic situation of a bicycle or a vehicle at an intersection of a bicycle road and a general road.

The present invention provides a bicycle traffic display system and method for providing a reliable bicycle traffic display by accurately detecting the movement of the bicycle by detecting a bicycle traffic situation using a plurality of sensors that are separated by the distance between the bicycle wheels.

The present invention provides a bicycle traffic display system and method for positioning a screen display panel in consideration of a stopping distance of a bicycle or a car, so that a moving bicycle or car can check a screen display and brake safely.

Bicycle traffic display system according to an embodiment of the present invention, the bicycle detection unit consisting of a plurality of detection sensors, when the plurality of detection sensors at the same time, a screen display unit for displaying a predetermined content and the plurality of detection sensors And a control unit which receives a detection signal from the controller and controls the display of the content on the screen display unit.

According to an aspect of the present invention, the plurality of sensing sensors may be configured in a concave-convex shape, and may be spaced apart by a distance equal to the distance between the front wheel and the rear wheel of the bicycle.

According to an aspect of the invention, the screen display unit, the communication unit for receiving a screen display signal from the control unit, the main controller unit for controlling whether to display the screen based on the received screen display signal and the command corresponding to the main controller unit It may include a light emitting unit for performing a screen display.

According to an aspect of the present disclosure, the screen display unit may include at least one of a bicycle situation display unit for displaying a movement state of a bicycle to a car user and a vehicle situation display unit for displaying a movement state of a car to a bicycle user.

According to an aspect of the present invention, the bicycle status display unit is located at a point away from the intersection by predicting the average stopping distance of the bicycle, the vehicle status display unit is estimated from the intersection by predicting the average stopping distance of the car It can be located at a distance.

According to an aspect of the invention, the control unit, the sensor data processing unit for receiving and interpreting the sensing data of the plurality of sensors, generating a control signal for controlling the screen display unit in response to the analysis result of the sensing data Main controller; And a communication unit configured to transmit the generated control signal to the screen display unit.

In accordance with another aspect of the present invention, there is provided a bicycle traffic display method, including determining whether a plurality of detection sensors simultaneously react, generating a screen display signal when the plurality of detection sensors react simultaneously, and displaying the screen. And displaying the predetermined content on the screen in response to the signal.

According to one embodiment of the present invention, a system and method for preventing a traffic accident in advance by displaying a traffic situation of a bicycle or a vehicle at an intersection of a bicycle-only road and a general road are provided.

According to one embodiment of the present invention, by detecting a bicycle traffic situation using a plurality of sensors separated by the distance between the bicycle wheels, the bicycle traffic display system and method for accurately detecting the movement of the bicycle to provide a reliable bicycle traffic display This is provided.

According to an embodiment of the present invention, there is provided a bicycle traffic display system and method for positioning the screen display panel in consideration of the stopping distance of the bicycle or car, so that a moving bicycle or car can check the screen display and brake safely. .

1 is a view showing the configuration of a bicycle traffic display system according to an embodiment of the present invention.
Figure 2 is a block diagram showing an embodiment of a detailed configuration of the control unit shown in FIG.
3 is a block diagram illustrating an exemplary embodiment of a detailed configuration of a screen display unit illustrated in FIG. 1.
4 is a view for explaining an arrangement of a screen display panel according to an embodiment of the present invention.
5 is an operation flowchart for a bicycle traffic display method according to an embodiment of the present invention.

Hereinafter, with reference to the contents described in the accompanying drawings will be described in detail the embodiments of the present invention. However, the present invention is not limited to or limited by the embodiments. Like reference numerals in the drawings denote like elements.

1 is a view showing the configuration of a bicycle traffic display system according to an embodiment of the present invention.

Referring to FIG. 1, the bicycle traffic display system 100 may include a bicycle detector 110, a screen display 120, and a controller 130.

Bicycle detection unit 110 is located on the bicycle road, may be composed of a plurality of sensors of irregular shape. That is, a plurality of detection sensors may be included to detect the movement of the bicycle, and the plurality of detection sensors may be arranged side by side on the road in an uneven shape. At this time, the arrangement interval of the plurality of detection sensors may be the same interval as the interval between the bicycle wheels. For example, when a bicycle passes a bicycle path where two pressure sensors are arranged at intervals between the bicycle wheels, the front wheel and the rear wheel of the bicycle simultaneously press the two pressure sensors. Therefore, in this case, it is possible to detect that the bicycle passes through the position where the two pressure sensors are installed.

Meanwhile, as another example, the plurality of detection sensors may use a loop coil sensor (Loop Coil Sensor), and two loop coil sensors may be installed at intervals between bicycle wheels so that two wheels of the bicycle are positioned on the two loop coil sensors. By detecting the minute change in the loop coil inductance generated when passing, the movement of the bicycle can be detected.

In this case, not only the pressure sensor and the loop coil sensor mentioned above, but also various sensors capable of detecting the movement of the bicycle in response to the simultaneous response of the sensor may be used.

The signal input through the two sensing sensors is transmitted to the controller 130, and the controller 130 may generate a control signal for displaying the screen based on the input signal. Detailed configuration of the control unit 130 for this purpose will be described in detail below with reference to FIG.

FIG. 2 is a block diagram showing an embodiment of a detailed configuration of the controller 130 shown in FIG. 1.

Referring to FIG. 2, the controller 130 receives a sensor data processor 133 for receiving and interpreting sensing data of the plurality of sensors, and controls a control signal for controlling the screen display unit in response to an analysis result of the sensing data. A main controller unit 132 to generate; And a communication unit 131 which transmits the generated control signal to the screen display unit 120.

Therefore, the sensing data of the sensor may be received and interpreted, and control signals for various types of screens may be generated, and the generated control signals may be transmitted to the screen display unit 120. As an example of various types of screen display, the controller 130 may cause the screen display unit to flash at an interval of 1 second when one bicycle passes through the detection sensor, and the bicycle is set to a predetermined number of bicycles within a predetermined time. When passing through the sensor, a control signal may be generated to blink the screen display at an interval of 0.5 seconds.

Referring back to FIG. 1, the screen display unit 120 may display predetermined contents on the screen under the control of the controller 130 when a plurality of sensing sensors reacts at the same time. That is, as described above, when a plurality of detection sensors react at the same time, it means that the bicycle passes through the location where the plurality of detection sensors are installed. In this case, the traffic state of the bicycle is displayed on the screen display unit 120. I can display it. For this purpose, a detailed configuration of the screen display unit 120 will be described in detail below with reference to FIG. 2.

3 is a block diagram illustrating an exemplary embodiment of a detailed configuration of the screen display unit illustrated in FIG. 1.

Referring to FIG. 3, the screen display unit 120 may include a communication unit 123 that receives a screen display signal from the controller 130, a main controller unit 121 that controls whether a screen is displayed based on the received screen display signal, and It may include a light emitting unit 122 for performing a screen display in response to the command of the main controller. That is, the screen display unit 120 may output various kinds of screen display contents according to the situation based on the screen display signal received from the controller 130.

Here, the communication unit 123 may be any of wired and wireless communication, and various communication methods (eg, RF, RFID, Zigbee, UTP, Serial, Coaxial, etc.) for efficient communication may be used.

On the other hand, the screen display unit 120 may include a bicycle status display unit for displaying the movement status of the bicycle to the car user. In addition, the vehicle status display unit for displaying the movement status of the car to the bicycle user may further include. Here, an example of the arrangement method of the bicycle situation display unit and the vehicle situation display unit will be described in detail with reference to FIG. 4.

4 is a diagram for describing an arrangement of a screen display panel according to an exemplary embodiment of the present invention.

Referring to FIG. 4, the screen display panel may be disposed in consideration of the stopping distance of the bicycle or the vehicle so that the bicycle or the vehicle can check the screen display and brake the vehicle safely.

In this case, the stopping distance may be expressed as the sum of the princess distance and the braking distance, and the princess distance means the distance that the vehicle proceeds until the driver detects a dangerous situation in front of the driving and brakes to start the actual braking.

Here, the princess distance is an example, the value of the following [Table 1] may be applied, the braking distance d may be calculated by the following [Equation 1].

[Table 1]

For example, if the speed of the car is 60 km / h, the princess distance is 16.7 m, the braking distance is 18.1 m, and the stopping distance is 34.8 m. In addition, when the speed of the bicycle is 30Km / h, the princess distance is 8.3m, the braking distance is 9.7m and the stopping distance is 18m.

Therefore, the bicycle situation display unit 410 may be disposed at a point 18m away from the intersection so that the bicycle user can secure a sufficient stopping distance after viewing the bicycle situation display unit 410.

Similarly, in the case of the car status display unit 423, the vehicle user may be disposed at a point 34.8 m away from the intersection so that a sufficient stopping distance may be secured after the car user views the car status display unit 423, and a plurality of display panels are installed. If desired, one or more vehicle status display units 421 and 422 may be additionally installed by dividing the distance of 34.8m. The above-described method for arranging the display panel and the disposition distance is one embodiment, and various methods and distances for efficiency of operation may be applied.

5 is an operation flowchart of a bicycle traffic display method according to an embodiment of the present invention.

Referring to FIG. 5, in step 510, it may be determined whether a plurality of sensing sensors react at the same time. As mentioned above, the detection sensor is arranged at intervals between the bicycle wheels, and when the front wheel and the rear wheel of the bicycle simultaneously press the detection sensor, it can be determined that the bicycle passes.

In operation 520, when the plurality of detection sensors simultaneously react, a screen display signal may be generated. That is, in this case, a signal for displaying a bicycle movement state may be generated on the screen to inform that the bicycle is moving.

In operation 530, predetermined contents may be displayed on the screen in response to the screen display signal. In this case, various kinds of contents may be displayed on the screen according to the movement state of the bicycle. For example, screen flashing intervals, display pictures, and display characters may be displayed differently.

As described above, according to an embodiment of the present invention, by displaying the traffic state of the bicycle or car at the intersection of the bicycle-only road and the general road, it is possible to prevent traffic accidents in advance.

In addition, by detecting a bicycle traffic situation using a plurality of sensors that are separated by the distance between the bicycle wheels, it is possible to accurately detect the movement of the bicycle to provide a reliable bicycle traffic display.

In addition, by providing a screen display panel in consideration of the stop distance of the bicycle or car, the present invention provides a bicycle traffic display system and method that allows the mobile bicycle or car to check the screen display and safely brake.

In addition, the bicycle traffic display method according to an embodiment of the present invention includes a computer readable medium containing program instructions for performing operations implemented by various computers. The computer readable medium may include program instructions, data files, data structures, etc. alone or in combination. The media may be program instructions that are specially designed and constructed for the present invention or may be available to those skilled in the art of computer software. Examples of computer-readable recording media include magnetic media such as hard disks, floppy disks, and magnetic tape, optical media such as CD-ROMs, DVDs, and magnetic disks, such as floppy disks. Magneto-optical media, and hardware devices specifically configured to store and execute program instructions, such as ROM, RAM, flash memory, and the like. Examples of program instructions include not only machine code generated by a compiler, but also high-level language code that can be executed by a computer using an interpreter or the like.

Although one embodiment of the present invention as described above has been described by a limited embodiment and drawings, one embodiment of the present invention is not limited to the above-described embodiment, which is a general knowledge in the field of the present invention Those having a variety of modifications and variations are possible from these descriptions. Accordingly, one embodiment of the invention should be understood only by the claims set forth below, all equivalent or equivalent modifications will be within the scope of the invention idea.

100: bicycle traffic display system 110: bicycle detection unit
120: screen display unit 130: control unit

Claims (7)

A bicycle detection unit configured of a loop coil sensor and comprising a plurality of detection sensors spaced apart by the same distance as the distance between the front wheel and the rear wheel of the bicycle;
A screen display unit displaying predetermined contents when the plurality of detection sensors simultaneously react; And
A control unit for receiving a detection signal from the plurality of detection sensors and controlling the flashing speed of the screen display unit according to the number of bicycles passing for a predetermined time;
Including,
The bicycle detection unit,
A bicycle traffic display system for detecting the movement of the bicycle by detecting a change in inductance when the bicycle passes over the loop coil sensor. delete The method of claim 1,
The screen display unit,
A communication unit receiving a screen display signal from the control unit;
A main controller unit controlling whether to display a screen based on the received screen display signal; And
A light emitting unit that performs screen display in response to the command of the main controller unit
Bicycle traffic display system comprising a. The method of claim 1,
The screen display unit,
Bicycle situation display unit for displaying the movement state of the bicycle to the car user; And
Car situation display unit which displays bicycle movement situation to cyclist
Bicycle traffic display system comprising at least one of. The method of claim 4, wherein
The bicycle status display unit,
Predict the sum of the average princess distance and the average braking distance of the bicycle, and located at a predetermined distance from the intersection,
The car status display unit,
A bicycle traffic display system predicting the sum of the average princess distance and the average braking distance of a car and located at a predetermined distance from the intersection. The method of claim 1,
The control unit,
A sensor data processor configured to receive and interpret sensing data of the plurality of sensors;
A main controller unit generating a control signal for controlling the screen display unit in response to an analysis result of the sensing data; And
Communication unit for transmitting the generated control signal to the screen display unit
Bicycle traffic display system comprising a. Simultaneous response determination unit for determining whether a plurality of detection sensors consisting of a loop coil sensor reacts at the same time, a display signal generation unit for generating a screen display signal according to whether or not reacting at the same time, and a screen based on the screen display signal In the bicycle traffic display method performed by the bicycle traffic display system including a screen display control unit for controlling the display,
Detecting, by the simultaneous response determining unit, a change in inductance of the loop coil sensor to determine whether the plurality of sensing sensors react at the same time and the number of bicycles passing for a predetermined time;
Generating, by the display signal generation unit, a screen display signal for blinking the screen by varying the flashing speed according to the number of bicycles passing for a predetermined time when the plurality of detection sensors simultaneously react; And
Displaying, by the screen display control unit, predetermined contents on the screen display signal in response to the screen display signal;
Bicycle traffic display method comprising a.

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