KR20130059216A - Apparatus for displaying car speed - Google Patents

Abstract

PURPOSE: A car speed displaying apparatus is provided to check the driving speed of a car and to regulate an over-speeding car, thereby preventing a car accident. CONSTITUTION: A car speed displaying apparatus includes a camera, a measuring unit(120), a display unit(130), a control unit(140), an alarming unit(150), and a first communication unit(160). The camera photographs a car approaching to a main box, collects an image of a photographed car and delivers the image to the first communication unit. The measuring unit transmits car speed measurement data to the display unit. The display unit displays a car speed. The alarming unit delivers visual and aural warning messages to the car when the car exceeds the speed limit. The first communication unit sends image information including a photo of the car to a central control center(200) in case the car exceeds the speed limit when passing the main box. [Reference numerals] (110) Photographing unit; (120) Measuring unit; (130) Display unit; (140) Control unit; (150) Alarming unit; (160) Communication unit; (200) Center

Description

Vehicle speed display device {APPARATUS FOR DISPLAYING CAR SPEED}

The present invention relates to a vehicle speed display device, and more particularly, to a vehicle speed display device that can be prevented from a safety accident by checking and controlling an overspeed state of a driving vehicle.

In general, the vehicle speed display apparatus displays the speed of the vehicle by using an image detection technology capable of photographing the vehicle using a camera and measuring the speed of the vehicle from the captured image.

Regarding the vehicle speed display apparatus using the image detection technology, some contents are disclosed in Korean Patent Laid-Open Publication No. 10-2007-0090299 (hereinafter, referred to as a reference document).

The device according to the prior art is characterized in that it is configured to photograph an approaching vehicle using a camera and to measure the speed of the vehicle from the photographed image, as described in the publication.

However, the above-mentioned prior document has a sensing range of a short section because the speed detection is made only through a camera, and only the front of the vehicle is photographed, and the rear of the vehicle is not photographed.

[Patent Literature]

Korean Patent Publication No. 10-2007-0090299 (Invention name: vehicle speed display device and system using image detection)

The present invention has been made in view of the above problems, and an object of the present invention is to measure the speed of a vehicle by installing a radar in the enclosure.

Another object of the present invention is to install a camera for photographing the rear of the vehicle at a point spaced apart from the housing by a predetermined distance to shoot and control the speeding vehicle.

The present invention for achieving the technical problem, relates to a vehicle speed display device, in the vehicle speed display device consisting of a main housing and a sub housing, provided in the main housing, the direction of the vehicle in progress within a certain range and A measuring unit measuring a speed using a radar; A display unit provided in the main enclosure and displaying whether the speed and the speed limit of the vehicle are exceeded according to the measurement data of the measurement unit; A notification unit provided in the main enclosure and configured to visually and audibly transmit a warning message to a corresponding vehicle when a speed limit is exceeded; A first camera provided in the sub enclosure and photographing a rear side of the vehicle passing through the enclosure at a speed higher than the speed limit; A first communication unit provided in the main enclosure and receiving image information of the first camera from a sub enclosure and transmitting the image information to a central control center; It is provided in the main enclosure, characterized in that it comprises a control unit for controlling the operation of the display unit and the communication unit, depending on whether the speed limit of the vehicle.

The present invention has the effect of extending the detection range of the speeding vehicle on the road by using a radar installed in the enclosure.

In addition, according to the present invention, since the rear of the vehicle can be photographed and recorded by separating and arranging the camera, in particular, even a motorcycle having a license plate attached to the rear has an effect of facilitating the detection according to the speed limit violation.

1 is an overall configuration of a vehicle speed display device according to the present invention.
2 is a block diagram of a vehicle speed display device according to the present invention;
3 is a radar perspective view of a vehicle speed display device according to the present invention;

Specific features and advantages of the present invention will become more apparent from the following detailed description based on the accompanying drawings. It is to be noted that the detailed description of known functions and constructions related to the present invention is omitted when it is determined that the gist of the present invention may be unnecessarily blurred.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will now be described in detail with reference to the accompanying drawings.

1 is an overall configuration diagram, the vehicle speed display device 100 according to the present invention is composed of a main enclosure 102 and an auxiliary enclosure (104).

The main enclosure 102 is composed of an upper end 102A, a stop 102B and a lower end 102C.

The upper end portion 102A may be used for the purpose of advertising by inserting the local government logo and the installation company logo.

The interrupting unit 102B includes a notification unit 150, and the notification unit 150 generates a warning light for the first notification unit 152 and a corresponding vehicle to guide the vehicle when the speed limit is exceeded. Divided into the second notification unit 154 is provided.

In order to minimize the damage caused by the noise, the first notification unit 152 performing the announcement broadcasts a warning broadcast only once when the vehicle reaches within about 35m of the front of the main enclosure 102.

The second notification unit 154 for generating the warning light preferably employs a red LED for the purpose of warning, but is not limited thereto, and may be used with other colored lights.

In addition, the first notification unit 152 and the second notification unit 154 not only operate at the same time, but also delivers a warning message to the vehicle that does not exceed the speed limit, there is an effect of preventing overspeed.

The lower portion 102C includes a display 130 and a second camera 112.

The display 130 is divided into a first display panel 132 that displays the speed of the vehicle to the driver as a numerical value, and a second display panel 134 that displays an emoticon when the speed limit is exceeded.

When the driver runs above the speed limit, the first display panel 132 is indicated by a red LED, and a flickering effect may be used together to strongly indicate the driver exceeding the speed limit.

In addition, when the driver runs above the speed limit, the second display panel 134 displays an emoticon with a frown. This is to allow the driver to recognize that he is in an overspeed state, and the second display panel 134 may display emoticons having various expressions according to situations.

The second camera 112 is for photographing a vehicle approaching the first housing 102, and is installed for collecting traffic information on the road, not for limiting the speed limit of the vehicle.

The upper end 102A, the stop 102B and the lower end 102C of the main enclosure 102 may be integrally coupled.

As shown in FIG. 1, the auxiliary enclosure 104 is a device independent from the first enclosure 102 and includes a first camera 110.

The first camera 110 is used for speed control of the vehicle, and records and transmits the image and the excess speed of the vehicle exceeding the speed limit to the main enclosure 102. In addition, it is possible to photograph rearward, particularly to motorcycles with license plates attached to the rear.

Meanwhile, the first camera 110 and the second camera 112 preferably employ an IP camera that is a network camera.

The first camera 110 and the second camera 112 employing the IP camera generate a sampling recording file consisting of a part of the image photographed for a predetermined time at a predetermined period, and generate the sampling recording file in the first communication unit 160. Notify central control center (not shown) through In addition, a large amount of video data can be stored and real-time monitoring is possible.

As shown in FIG. 1, the main housing 102 and the auxiliary housing 104 are installed about 25m apart and control vehicles exceeding the speed limit between the sections.

2 is a block diagram of a vehicle speed display device according to the present invention.

As shown in FIG. 2, the main enclosure 102 according to the present invention includes a second camera 112, a measurement unit 120, a display unit 130, a control unit 140, a notification unit 150, and a second unit. It characterized in that it comprises a communication unit 160.

The second camera 112 photographs a vehicle approaching toward the main enclosure 102, collects an image of the photographed vehicle, and transmits the captured image to the first communication unit 160.

The measurement unit 120 measuring a vehicle speed within about 100 m using a radar (not shown) transmits the vehicle speed measurement data to the display unit 130.

In addition, the display unit 130 displays whether the vehicle speed and the speed limit are exceeded, according to the measurement data transmitted from the measurement unit 120.

The notification unit 150 transmits a warning message visually and acoustically to the vehicle when the speed limit is exceeded.

When the vehicle passes the enclosure at a speed higher than the speed limit, the first communication unit 160 transmits the image information of the vehicle to the central control center 200.

According to the present invention, the first communication unit 160 is a communication protocol of a wireless local area network (WLAN), a wireless broadband (Wibro), a world interoperability for microwave access (Wimax), and a high speed downlink packet access (HSDPA). It is preferable to perform communication with the central control center 200 using at least one of them.

The controller 140 controls the operation of the display 130 and the first communication unit 160 according to whether the speed limit of the vehicle approaching the enclosure 102 is exceeded.

As shown in FIG. 2, the auxiliary enclosure 104 according to the present invention includes a first camera 110, a second communication unit 162, and a light projector 170.

The first camera 110 photographs the rear of the vehicle passing through the auxiliary enclosure 104.

The second communication unit 162 is installed in the auxiliary housing 104, and transmits and receives image data captured through RS232C communication with the first communication unit 160.

The floodlight 170 to indirectly irradiate the light from the light source to reduce glare, is installed for the license plate recognition of the vehicle exceeding the speed limit at night.

3 is a radar perspective view of a vehicle speed display device according to the present invention.

As shown in FIG. 3, the radar 120-1 is installed in a lower end portion 102C of the main enclosure 102, and includes a radar transceiver 122, a signal processor 124, and a transmission antenna 126-. 1), a receiving antenna 126-2 and a switched-mode power supply (SMPS) power supply module 128.

The radar transceiver 122 transmits a radar signal, and when the transmitted radar signal is reflected by an object, receives the reflected signal.

The transmitting antenna 126-1 transmits the radar signal of the radar transceiver 122, and the receiving antenna 126-2 reflects the signal when the transmitted signal of the transmitting antenna 126-1 is reflected on the vehicle. The received signal.

As shown in FIG. 3, two reception antennas 126-2 are installed to improve reception performance, and a plurality of reception antennas 126-2 may be installed as needed.

The signal processor 124 detects the direction of the vehicle based on the reflected signal received by the radar transceiver 122 and calculates the moving distance (orientation) of the vehicle according to the change of time to detect the speed of the vehicle. .

In addition, the function of the signal processor 124 for detecting the speed of the vehicle may be in charge of the controller 140 according to the design of the vehicle speed display device.

On the other hand, the SMPS power supply module 128 converts 220V commercial AC power to DC, and outputs a 24V control voltage. At this time, the output 24V control voltage is applied to the notification unit 150 in a power off state (off state).

In addition, the 24V control voltage applied to the notification unit 150 drives the 220V relay provided in the notification unit 150, such that 220V power is supplied to the notification unit 150.

As the power is supplied, the notification unit 150 generates a guide broadcast and a warning light to the vehicle.

The radar 120-1 is a frequency modulated continuous wave (FMCW) radar, and is configured by combining a monopulse doppler radar method.

The FMCW radar relates to a radar based on the FM (frequency modulation) -CW (continuous wave) method. In particular, the FMCW radar is configured to variably set a detection range of a target object to detect a distance and a relative speed with the target object, thereby simultaneously You can check whether the speed limit is exceeded.

In addition, the monopulse Doppler radar method is a method of measuring the direction of the target using information such as amplitude or phase difference between the received signals obtained from the plurality of antennas 126-1 and 126-2. Since the information on the vehicle can be checked, the vehicle and the vehicle that are operated in the same way in multiple lanes other than the preceding vehicle can be identified and the speed can be detected.

Specifications of the radar 120-1 described above are shown in [Table 1].

[Table 1]

As described above, the present invention has the effect of extending the detection range of the speeding vehicle on the road by using the radar installed in the enclosure.

In addition, according to the present invention, since the rear of the vehicle can be photographed and recorded by separating and arranging the camera, in particular, even a motorcycle having a license plate attached to the rear has an effect of facilitating the detection according to the speed limit violation.

100: vehicle speed display device
102: main enclosure 104: secondary enclosure
110: first camera 130: display unit
150: notification unit 152: first notification unit
154: second notification unit

Claims (10)

In the vehicle speed display device consisting of a main housing and a sub-chamber,
A measurement unit provided in the main enclosure and measuring a bearing and a speed of the vehicle in progress within a predetermined range by using a radar;
A display unit provided in the main enclosure and displaying whether the speed and the speed limit of the vehicle are exceeded according to the measurement data of the measurement unit;
A notification unit provided in the main enclosure and configured to visually and audibly transmit a warning message to a corresponding vehicle when a speed limit is exceeded;
A first camera provided in the sub enclosure and photographing a rear side of the vehicle passing through the enclosure at a speed higher than the speed limit;
A first communication unit provided in the main enclosure and receiving image information of the first camera from a sub enclosure and transmitting the image information to a central control center;
And a control unit provided in the main enclosure and controlling the operation of the display unit and the communication unit according to whether the speed limit of the vehicle is exceeded. The method of claim 1, wherein the radar,
Vehicle speed display, characterized in that the FMCW radar. The method of claim 2, wherein the FMCW radar,
A monopulse Doppler radar method, wherein the vehicle speed display apparatus collects information on azimuth as well as distance and speed of a vehicle by using amplitude and phase difference information between received signals obtained from a transmitting and receiving antenna. The method of claim 1, wherein the radar,
A radar transceiver for transmitting a radar signal and receiving the reflected signal when the transmitted radar signal is reflected by the vehicle;
A transmission antenna for transmitting a radar signal of the radar transceiver;
A reception antenna for receiving a signal reflected by the vehicle;
A signal processor that detects the direction and speed of the vehicle based on the reflected signal received by the radar transceiver;
And a SMPS power supply module for supplying power to the radar and converting a 220 V commercial AC power into a DC to output a predetermined operating voltage. The method of claim 4, wherein the radar,
And when the vehicle exceeds the speed limit, controls the SMPS power supply module to output the predetermined operating voltage. The method of claim 4, wherein the notification unit,
When a vehicle exceeding the speed limit is generated and a predetermined operating voltage is applied from the radar, a guide broadcast is transmitted to the vehicle, and a warning light is generated. The method of claim 6, wherein the notification unit,
A first notification unit for transmitting a guide broadcast to the vehicle when the predetermined operating voltage is applied;
And a second notification unit for generating a warning light to the corresponding vehicle when the predetermined operating voltage is applied. The display device according to claim 1,
A first display panel for numerically indicating the speed of the vehicle to the driver;
And a second display panel for displaying an emoticon when the speed limit is exceeded. The method of claim 1,
And a second camera provided in the main housing to photograph traffic jams and traffic accidents, and photographing vehicles traveling to the main housing side. The method of claim 1, wherein the first communication unit,
Communicate with the central control center using at least one of communication protocols such as wireless LAN (Wi-Fi), wireless broadband (Wibro), world interoperability for microwave access (Wimax), and high speed downlink packet access (HSDPA). Vehicle speed display device characterized in that for performing communication.

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