KR20170045825A - traffic signal indicator system of inner tunnel - Google Patents

traffic signal indicator system of inner tunnel Download PDF

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Publication number
KR20170045825A
KR20170045825A KR1020150145772A KR20150145772A KR20170045825A KR 20170045825 A KR20170045825 A KR 20170045825A KR 1020150145772 A KR1020150145772 A KR 1020150145772A KR 20150145772 A KR20150145772 A KR 20150145772A KR 20170045825 A KR20170045825 A KR 20170045825A
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KR
South Korea
Prior art keywords
tunnel
vehicle
detection sensor
illuminance
unit
Prior art date
Application number
KR1020150145772A
Other languages
Korean (ko)
Inventor
박기주
서완용
Original Assignee
주식회사 케이디파워
박기주
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by 주식회사 케이디파워, 박기주 filed Critical 주식회사 케이디파워
Priority to KR1020150145772A priority Critical patent/KR20170045825A/en
Publication of KR20170045825A publication Critical patent/KR20170045825A/en

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    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/07—Controlling traffic signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K9/00—Light sources using semiconductor devices as light-generating elements, e.g. using light-emitting diodes [LED] or lasers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
    • G01J1/00—Photometry, e.g. photographic exposure meter
    • G01J1/02—Details
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/02—Detecting movement of traffic to be counted or controlled using treadles built into the road
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/01—Detecting movement of traffic to be counted or controlled
    • G08G1/052—Detecting movement of traffic to be counted or controlled with provision for determining speed or overspeed
    • G—PHYSICS
    • G08—SIGNALLING
    • G08G—TRAFFIC CONTROL SYSTEMS
    • G08G1/00—Traffic control systems for road vehicles
    • G08G1/09—Arrangements for giving variable traffic instructions
    • G08G1/095—Traffic lights
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21W—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO USES OR APPLICATIONS OF LIGHTING DEVICES OR SYSTEMS
    • F21W2131/00—Use or application of lighting devices or systems not provided for in codes F21W2102/00-F21W2121/00
    • F21W2131/10—Outdoor lighting
    • F21W2131/101—Outdoor lighting of tunnels or the like, e.g. under bridges
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21Y—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES F21K, F21L, F21S and F21V, RELATING TO THE FORM OR THE KIND OF THE LIGHT SOURCES OR OF THE COLOUR OF THE LIGHT EMITTED
    • F21Y2101/00—Point-like light sources

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Optics & Photonics (AREA)
  • General Engineering & Computer Science (AREA)
  • Traffic Control Systems (AREA)
  • Circuit Arrangement For Electric Light Sources In General (AREA)

Abstract

The present invention relates to a traffic signal system in a tunnel in which a driver who drives a vehicle can induce a safe driving by predicting an internal state of the tunnel in a three-dimensional environment together with traffic volume information before entering the tunnel. A controller for receiving and analyzing traffic volume, illuminance and brightness, smoke and dust distribution, disaster and environmental information inside the tunnel including the moving speed of the entering vehicle, and transmitting the control signal to the outside; An illuminating lamp installed in the tunnel to display traffic information in the tunnel in response to a control signal of the control unit, an illuminating lamp installed in the tunnel and illuminating the inside of the tunnel by controlling illuminance and brightness in response to a control signal of the control unit, And receives the control signal of the control unit to drive the tunnel, The control unit includes a vehicle sensor for sensing a moving speed of the vehicle, a pollution sensor for detecting a soot and a dust distribution in the tunnel, an illuminance sensor for sensing illuminance and luminance in the tunnel, An analysis unit for receiving and analyzing information detected from the vehicle sensor, the contamination detection sensor, the illumination detection sensor, and the photographing unit; And a communication unit for transmitting a control signal.

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001]

The present invention relates to a traffic signal system in a tunnel, and more particularly, to a traffic signal system in a tunnel, in which a sensor for measuring a three-dimensional environment in a tunnel is installed to comprehensively measure traffic volume, illuminance, To a traffic signal system.

Generally, a driver who drives a vehicle must constantly grasp the surroundings around the front and rear to ensure safe driving. This causes the driver to feel fatigue, and particularly when driving for a long time, the fatigue is further increased, . This drowsiness operation not only hinders the operation of other vehicles but also causes a collision accident.

Therefore, it is necessary to recognize the structure of the roadway or the inside of the tunnel by the driver, and to provide a clear view of the structure when there is a delivery or emergency passage, a gaze light which uses a lamp or a light- The driver is guiding the driver to clearly distinguish the roadway.

However, since the width of the tunnel is narrow in the road, the driver can not accurately recognize the speed of the vehicle when driving the vehicle because the driver can not see the speedometer by concentrating on the front sight.

As described above, the tunnel can not accurately recognize the speed of the vehicle, and it is difficult to provide first aid in the event of an accident, and thus various safety equipments are provided.

In addition, according to various environmental factors in the tunnel, it is difficult to grasp the traffic volume, emergency situation, and work situation before the driver enters the tunnel.

Especially, the traffic network in tunnel is increasing due to the rapid development of the transportation network, and the shapes of long tunnels and S curve tunnels are increasing, but the risk of the space inside the tunnels is increasing.

Korean Registered Patent No. 10-0547647 (Registered Date: Jan. 23, 2006, entitled " Safety Guide for Tunnels and Underground Roads &

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problems, and it is an object of the present invention to provide a traffic signal system in a tunnel, which enables a driver driving a vehicle to induce safe driving by predicting an internal state of the tunnel, The purpose of the system is to provide.

According to an aspect of the present invention, there is provided a traffic signal system in a tunnel, the traffic signal system comprising: A control unit installed at an entrance of the tunnel and displaying traffic information in the tunnel in response to a control signal of the control unit, and a control unit installed in the tunnel, And a ventilator installed in the tunnel and driven by receiving a control signal of the control unit to ventilate the interior of the tunnel, wherein the control unit controls the vehicle A sensor for detecting a moving speed of the tunnel, An illumination sensor for sensing illuminance and brightness in the tunnel, a photographing unit for detecting a disaster and an environment in the tunnel, and a control unit for controlling the vehicle from the vehicle sensor, the contamination detection sensor, An analysis unit for receiving and analyzing the sensed information, and a communication unit for transmitting a control signal to the outside based on the result of the analysis unit.

The traffic signal system in a tunnel according to the present invention has the following effects.

First, by detecting the vehicle speed in the tunnel, it is possible for the driver to check the traffic volume status outside the tunnel in real time, thereby enabling safe driving.

In other words, by providing a display unit in the tunnel at the entrance of the tunnel, which is turned on in response to the speed of progress of the vehicle, the vehicle entering the tunnel can recognize the traffic volume information in advance and maintain the safe speed. Speed can be recognized.

Secondly, by measuring the traffic volume, illuminance, disaster and environment in the tunnel space, it is possible to safely move the vehicle by installing the vehicle speed signal system together with the color change and flashing of the lighting lamp so that the driver of the entering vehicle can recognize before entering the tunnel In addition, the risk can be prevented in advance.

1 is a block diagram schematically showing a traffic signal system in a tunnel according to the present invention;
Fig. 2 is a block diagram showing the configuration of a control unit installed in the tunnel of Fig. 1

Hereinafter, a traffic signal system in a tunnel according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the principles of the invention.

In addition, the same or corresponding components are denoted by the same reference numerals regardless of the reference numerals, and redundant description thereof will be omitted. For convenience of explanation, the size and shape of each constituent member shown may be exaggerated or reduced have.

FIG. 1 is a schematic diagram showing a traffic signal system in a tunnel according to the present invention, and FIG. 2 is a diagram showing the configuration of a control unit installed in the tunnel of FIG.

1 and 2, a traffic signal system in a tunnel according to the present invention is installed in a tunnel 100 at a predetermined interval and is installed in a tunnel 100 including a moving speed of the entering vehicle 200 A control unit 300 for receiving and analyzing traffic volume, illuminance and luminance, smoke and dust distribution, disaster and environmental information, and transmitting control signals to the outside, a control unit 300 installed at the entrance of the tunnel 100, A display unit 110 for receiving traffic signals and displaying traffic information in the tunnels 100 and a control unit 300 installed in the tunnels 100 for adjusting illuminance and brightness to control the inside of the tunnels 100, And a ventilator 130 installed in the tunnel 100 to receive a control signal from the controller 300 to ventilate the inside of the tunnel 100. The control unit 300 ) Detects the moving speed of the vehicle A pollution detection sensor 320 for detecting a soot and dust distribution in the tunnel 100, an illuminance detection sensor 330 for sensing illumination and luminance in the tunnel 100, A photographing unit 340 for detecting a disaster and an environment in the tunnel 100 and an information detecting unit 340 for detecting information detected from the vehicle detection sensor 310, the contamination detection sensor 320, the illumination detection sensor 330, And a communication unit 360 for transmitting a control signal to the outside based on the result of the analyzing unit 350.

The display unit 110 is installed in the form of a signboard and installed at the entrance of the tunnel 100. The traffic volume is displayed in red, green, and yellow according to the flow rate of the vehicle 200. That is, when the traveling speed of the vehicle 200 in the tunnel 100 indicates the specified speed of the road, it emits green light, emits yellow light up to 50% lower than the specified speed, You can drive with care from the tunnel entrance.

In addition, the display unit 110 may emit light such as smoothness, normal, and attention without emitting red, green, or yellow light, or may express the speed of the vehicle in the present tunnel as a number.

The display unit 110 may be an LED lamp for minimizing durability and power consumption.

The LED lamp 120 may include a red LED for emitting red light, a green LED for emitting green light, a blue LED for emitting blue light, a white LED for emitting white light, W) LED, and LEDs obtained by combining these light sources (R, G, B, and W) LEDs at a constant ratio.

The control unit 300 analyzes the information based on the information detected by the contamination detection sensor 320 and determines that the tunnel 100 is installed in the tunnel 100. [ The control unit 300 receives the control signal of the control unit 300 and operates the control unit 300 when the inside of the control unit 300 indicates a degree of contamination of a predetermined value or more.

The vehicle detection sensor 310 may be constituted by an ultrasonic sensor or an optical sensor including a light emitting element and a light receiving element. In addition, the vehicle sensor 310 may include any one of field sensors installed at the bottom of a road in the tunnel 100, which is separate from the controller 360, for detecting a change in capacitance due to movement of the vehicle 200 And can be selectively constructed and used.

The contamination detection sensor 320 detects pollutants of low concentration such as hydrogen, carbon monoxide, and smoke according to a PWM duty cycle through a PWM output signal. The control unit 300 controls the operation of the ventilator 130 to circulate the air in the tunnel 100 according to the detection result of the contamination detection sensor 320 to reduce the degree of contamination.

The illuminance sensor 330 senses the illuminance and brightness of the interior of the tunnel 100. The illuminance lamp 120 installed in the tunnel 100 always emits light of a predetermined brightness and brightness. When the illumination lamp 120 fails to emit normally due to a failure of the illumination lamp 120, the interior of the tunnel 100 becomes darker. Accordingly, it is possible to search the illuminance and the luminance of the interior of the tunnel 100 in real time through the illumination sensor 330 to reduce unnecessary power consumption, and quickly replace or repair the illumination lamp 120 required for the AS, Can be prevented.

The communication unit 360 includes a function of transmitting a stereoscopic environment inside the tunnel 100 to an external management server. The communication unit 360 may be an RF communication system, a wired system using an exclusive line or a telephone line, or an IrDA ), Zigbee, Bluetooth, CDMA communication, beacon communication, or optical communication.

The illumination lamp 120 is installed at at least one side of the tunnel 100 at a height of 2 to 3 meters from the ground.

Therefore, in order to safely operate the vehicle 200 in the tunnel 100, the vehicle detection sensor 310, the contamination detection sensor 320, the illumination detection sensor 330, A control unit 300 including a photographing unit 340, an analysis unit 350 and a communication unit 360 is attached to detect the speed and environment of the vehicle 200 entering the tunnel 100 in real time, The driver of the vehicle entering the tunnel 100 can confirm the traffic volume of the vehicle 200 through the display unit 130 installed in real time.

The control unit 300 for driving the display unit 130 detects the inside of the tunnel 100 obtained through the vehicle detection sensor 310, the contamination detection sensor 320, the illumination detection sensor 330, The vehicle detection sensor 310 outputs a vehicle detection signal and the analysis unit 350 outputs the vehicle detection signal when the driver operates the vehicle 200 in the tunnel 100 by controlling the operation of the display unit 130. [ The display unit 130 is sequentially turned on in accordance with the safety speed of the vehicle and guides the driver to operate the vehicle at a safe speed.

The control unit 300 configured as described above determines the color of the display unit 130 by comparing the running speed of the vehicle 200 with the normal speed of the road. The analysis unit 350 analyzes the moving speed of the vehicle and transmits a control signal through the communication unit 360 to control the display unit 130 to emit blue light. 200 is slow, it is controlled to emit red light.

The control unit 300 measures the degree of contamination inside the tunnel 100 through the contamination detection sensor 320 and transmits the measured result to the analysis unit 350 to analyze And controls the ventilator 130.

The illuminance sensor 330 senses the illuminance of the interior of the tunnel 100 in real time and transmits the sensed result to the analyzer 350. The analyzer 350 compares the reference value and the illuminance When the result detected through the sensor 330 is compared, if the brightness is lower than a predetermined level, the manager provides the information for replacing or repairing the illumination lamp 120 through the communication unit 360.

The photographing unit 340 photographs the state of the inside of the tunnel 100 in real time and transmits an alarm to the analyzing unit 350 when an accident or other environmental factor is detected in the tunnel 100, The analysis unit 350 transmits the image information acquired through the photographing unit 350 to the communication unit 360, and the communication unit 360 provides tunnel information to the external administrator.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiment, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, is intended to cover various modifications and equivalent arrangements included within the spirit and scope of the appended claims. Will be apparent to those of ordinary skill in the art.

100: Tunnel 110: Display
120: illumination lamp 130: ventilator
200: vehicle 300:
310: vehicle detection sensor 320: contamination detection sensor
330: illuminance detection sensor 340:
350: Analysis section 360: Communication section

Claims (5)

A control section for receiving control signals transmitted from outside through the tunnel, including traffic volume, illuminance and luminance, smoke and dust distribution, disaster and environmental information,
A display unit installed at an entrance of the tunnel and displaying traffic information in the tunnel in response to a control signal from the control unit;
An illuminating lamp installed in the tunnel and illuminating the inside of the tunnel by controlling illuminance and brightness in response to a control signal of the control unit;
And a ventilator installed in the tunnel for receiving a control signal of the controller to ventilate the inside of the tunnel,
A vehicle detection sensor for detecting a moving speed of the vehicle,
A contamination detection sensor for detecting a soot and a dust distribution in the tunnel,
An illuminance detection sensor for sensing illuminance and luminance in the tunnel,
A photographing unit for detecting a disaster and an environment in the tunnel;
An analysis unit for receiving and analyzing information sensed by the vehicle detection sensor, the contamination detection sensor, the illumination detection sensor, and the photographing unit;
And a communication unit for transmitting a control signal to the outside based on a result of the analysis unit. The traffic signal system according to claim 1, wherein the display unit displays the traffic volume status in red, green, and yellow according to the flow rate of the vehicle. The traffic signal system according to claim 1, wherein the display unit indicates a current vehicle speed in a current tunnel by a number. 2. The traffic signal system according to claim 1, wherein the vehicle detection sensor selectively configures any one of a field sensor installed at the bottom of a road in the tunnel and detecting a change in capacitance due to movement of the vehicle. System. The traffic signal system according to claim 1, wherein the illuminating lamp is an LED illuminating lamp.
KR1020150145772A 2015-10-20 2015-10-20 traffic signal indicator system of inner tunnel KR20170045825A (en)

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Application Number Priority Date Filing Date Title
KR1020150145772A KR20170045825A (en) 2015-10-20 2015-10-20 traffic signal indicator system of inner tunnel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020150145772A KR20170045825A (en) 2015-10-20 2015-10-20 traffic signal indicator system of inner tunnel

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110111586A (en) * 2019-05-06 2019-08-09 西安建筑科技大学 A kind of prompt monitoring and alarming system of safe speed
KR102005713B1 (en) * 2019-03-20 2019-10-01 (주)동인시스템 Intelligent tunnel management system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102005713B1 (en) * 2019-03-20 2019-10-01 (주)동인시스템 Intelligent tunnel management system
CN110111586A (en) * 2019-05-06 2019-08-09 西安建筑科技大学 A kind of prompt monitoring and alarming system of safe speed

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