KR101837474B1 - 3D virtual reality images system applied tunnel automatic controling system - Google Patents

Abstract

The present invention relates to a three-dimensional (3D) image system applied to an automatic tunnel control system. To be more specifically, the 3D image system applied to an automatic tunnel control system: converts a two-dimensional (2D) image photographed by a camera that is installed inside or outside a tunnel, into a 3D virtual reality image; stores a modeling image of 3D virtual reality image space information, the same as a facility structure inside and outside the tunnel, in a 3D virtual reality image space information generation module; indicates jet fans, a fire hydrants, escape doors, detectors, etc. as icons in the facility structure in the space information according to the 3D virtual reality image; displays individual areas with different colors in the modeling image of the 3D virtual reality image space information depending on harmful gas concentration detected by gas detectors so that a user in a remote place can realize and transmit information on the inside and the outside of the tunnel via a 3D screen; and allows the user to manually control operation of structures such as the jet fans and the fire hydrants for maintaining constancy in the inside or outside environment of the tunnel, or provides an automatic control function in order to automatically operate the structures when detecting changes in environmental factors that exceed designated values. Therefore, the 3D image system applied to an automatic tunnel control system can allow a user to conveniently and quickly detect changes and abnormal conditions in the inside or outside environment of a tunnel and to solve problems even in a remote place.

Description

TECHNICAL FIELD [0001] The present invention relates to a 3D virtual reality system,

More particularly, the present invention relates to a 3D image system applied to an automatic tunnel control system, and more specifically, a 2D image captured by a camera of a tunnel is converted into a 3D virtual reality image, It is possible to provide a 3D virtual reality image and a control screen similar to the situation where the control system of the tunnel is directly operated in the field to the user who manages the tunnel, And more particularly to a 3D image system applied to a tunnel automatic control system which can easily grasp environmental levels such as gas and temperature of a tunnel, and can control structures and detectors inside or outside the tunnel.

Generally, a tunnel is a passage of a railway or a road made by piercing under the mountain, the sea, and a river. Since the tunnel is distributed in a remote area in a remote area, it is time and cost It is difficult to quickly identify and respond to an emergency situation such as an increase in toxic gas inside a tunnel, a fire caused by a vehicle collision accident, or flooding due to rainwater. Conventional automatic control system for monitoring and control inside or outside the tunnel is a method to monitor and control various detectors and actuators by control logic program sequence control of DDC (direct digital controller) or PLC (programmable logic controller) And the monitoring and control screen is configured as a 2D screen, which is insufficient for expressing the installation position of the detector and the manipulator so that the user can visually recognize the installation position easily.

Korean Registered Patent No. 10-1150993 (registered on Feb. 22, 2012) relates to a tunnel emergency video remote monitoring and control system, which automatically detects a disaster or a problem situation in a tunnel in real time, And to provide a comprehensive emergency disaster prevention countermeasure against a tunnel disaster such as a car accident or a fire accident by allowing the user to identify and respond to the emergency emergency video.

The tunnel emergency video remote monitoring and control system includes means for detecting heat, noxious gas, vibration, and sound generated in a tunnel and image capturing means, and judges whether there is an abnormality in the measured signal. In this case, the user can not visually confirm the precise location information of the heat, the harmful gas, the vibration, and the sound. Therefore, It was inconvenient to intuitively grasp the position.

In addition, the tunnel emergency video remote monitoring and control system has a function to manually turn on / off the remote control of a structure such as a jet fan installed for the purpose of maintaining the homeostasis of the internal environment of the tunnel, or to automatically turn on / off the structure It is difficult for the user to control the structure inside or outside the tunnel and the problem can not be solved quickly even if an abnormal condition inside or outside the tunnel is detected.

Korean Patent No. 10-1150993

SUMMARY OF THE INVENTION The present invention has been proposed in order to solve the above problems. In the conventional tunnel automatic control system, a control screen is configured as a 2D screen, and installation positions of the detector and the manipulator are displayed in a plane on the screen, In order to solve such a problem, it has been proposed to transform the 2D screen into a 3D virtual reality image so as to dramatically expand the expression space on the inside of the tunnel and the control operation that can be used by the user, And a tunnel automatic control system that matches the control program of the 3D virtual reality image with the 3D virtual reality image.

In addition, when an abnormal situation such as an increase in concentration of harmful gas inside a tunnel is immediately recognized by the user, the user can manually remotely control the operation of the structure such as a jet fan to maintain the homeostasis of the tunnel or the external environment, It is another object of the present invention to provide a 3D image system that is applied to an automatic tunnel control system, including a function of automatically controlling a structure to be operated by a control system.

According to an aspect of the present invention, there is provided a 3D image system applied to a tunnel automatic control system, the system comprising: a 3D image generator for converting a 2D image photographed by a camera installed inside or outside a tunnel into a 3D virtual reality image, The spatial information generation module stores modeling images of the 3D virtual reality image space information that is the same as the internal and external structures of the tunnel, and a jet fan, a hydrant, And the modeling image of the 3D virtual reality image space information may display the color of the corresponding region in accordance with the concentration of the harmful gas detected from the gas detectors so that the user at a remote location can display information inside or outside the tunnel It is implemented and delivered as a three-dimensional screen.

In addition, the user can manually control the operation of structures such as jet fans and fire hydrants to maintain homeostasis in the tunnel or outside environment, or to automatically operate the structure when environmental factors exceeding the specified values are detected. The present invention provides a 3D image system applied to a tunnel automatic control system that provides an automatic control function and allows a user to conveniently and quickly detect change and anomalous state of the inside or outside of a tunnel and solve problems even at a long distance.

The 3D image system applied to the automatic tunnel control system according to the present invention converts a 2D image of a camera image into 3D space graphic data in order to increase the efficiency of tunnel management by generating a 3D virtual reality image in a tunnel management area, 3D virtual reality images are generated by projecting textures capable of environmental monitoring and control on spatial graphic data. It is possible to monitor the environment inside or outside the tunnel and check the status of various devices through 3D virtual reality images, It is convenient because a remote user can grasp the situation of the entire tunnel at a glance without having to visit, and when the abnormal situation occurs, the corresponding position can be easily and accurately grasped from the 3D virtual reality image. Therefore, A favorable effect that is similar to monitoring a tunnel by visiting a direct tunnel There.

In addition, in 3D virtual reality images, the user can manually control the tunnel structures such as jet fans to adjust the environment of the tunnels such as noxious gases to an appropriate value. Therefore, the time / monetary cost for maintenance of tunnels is reduced, There is a good effect of providing a safe working environment due to reduced risk and it is possible to select a mode to control the structure automatically so that serious problems There is an advantage in that the structure can be operated or stopped according to the judgment of the tunnel automatic control system judging unit safely and safely, and the environment of the tunnel can be maintained in a pleasant state with precision and convenience.

1 is a configuration diagram of a 3D image system applied to an automatic tunnel control system according to an embodiment of the present invention;
2 is a detailed configuration diagram of a 3D image system applied to an automatic tunnel control system according to an embodiment of the present invention;
3 is a flowchart of manual / automatic monitoring and control of a 3D image system applied to an automatic tunnel control system according to an embodiment of the present invention;
4 is a flowchart of a color display process module according to a noxious gas concentration of a 3D image system applied to an automatic control system for a tunnel according to an embodiment of the present invention.
FIG. 5 is a flowchart illustrating the operation principle of a jet fan according to a noxious gas concentration in a 3D image system applied to an automatic control system for a tunnel according to an embodiment of the present invention.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains.

As shown in FIG. 1, the 3D image system A applied to the automatic tunnel control system according to an embodiment of the present invention is installed in a tunnel wall or the like so as to photograph a tunnel to be maintained by the user, At least one 2D camera (100) that temporarily operates according to a signal;

The image information of the camera 100 is temporarily or temporarily received according to a control signal, the image information is converted into a digital electric signal, and the input unit 401 of the tunnel automatic control system A installed at the work station of the user located at the remote location A communication unit 200 configured to transmit data in real time to the mobile station 200;

At least one sensing unit 300 comprising a sensing sensor for measuring the concentration of noxious gas inside or outside the tunnel or a thermal sensor for measuring a rise in the tunnel temperature due to a fire in the event of a vehicle accident;

Information about the image information of the tunnel emitted from the communication unit 200, the concentration of the harmful gas of the tunnel measured by the sensing unit 300, and the change of the internal temperature, and the like are provided in the tunnels and at the work place of the user located at a remote location, An input unit 401 for inputting an image;

A storage unit 402 for storing information such as the input unit 401;

A control unit for comparing the information about the tunnel environment measured by the sensing unit 300 and received by the input unit 401 with predetermined values to determine the necessity of problem solving or preventive measures and controlling the operation of the structure unit 600 403);

It is composed of a jet fan with ventilation effect that can prevent the increase of harmful gas in the tunnel or a fire hydrant with effect that can be extinguished in the event of fire caused by a car accident, so that the user can arbitrarily turn on / At least one structure part 600 installed with an automatic mode for automatically controlling the operation of the on / off according to the judgment of the control part 403;

An image processing unit 500 for converting a 2D image of a camera image into 3D space graphic data and projecting a texture capable of environmental monitoring and control to the 3D space graphic data to generate a 3D virtual reality image including measurement information of each position of the tunnel, Wow;

And at least one monitor 700 for providing information on the tunnel generated by the image processor 500 to the user so that the user can see the tunnel.

2, the configuration of the control and monitoring system of the 3D image system applied to the automatic tunnel control system according to an embodiment of the present invention will be described in detail. The image is transmitted to the input unit 401 through the communication unit 200 and the tunnel environment information of the sensing unit 300 for measuring temperature and gas is also transmitted to the input unit 401, And the 2D image information stored in the storage unit 402 is transmitted to the dual image processor 501. The dual image processor 501 receives the tunnel environment information of the sensing unit 300 and the structure information 600 The 2D image texture 502 converts the 2D drawing of the tunnel into a 3D drawing and the 3D virtual reality image part 503 transmits the operation state of the 3D virtual reality image part 502 to the double image processing part 501, And the 2D image texture 502 are collected, and the 3D virtual reality A 2D photographing screen is displayed on the 3D drawing of the tunnel, and a screen composed of a form in which the state of the sensing unit 300 and the structure unit 600 and operation information is put on the 3D virtual reality image is displayed on the display generating unit 504 So that the user visually grasps the overall environmental condition of the tunnel to be managed and can manually control the structure unit 600 with ease.

In the embodiment of the present invention, the operation principle of manual / automatic monitoring and control of the 3D image system applied to the automatic tunnel control system will be described in more detail. As shown in FIG. 3, (S1); Acquiring a 2D image through the camera 100 (S2); A step (S3) of generating a 2D image texture in a dual image processing unit (not yet determined);

A step (S4) of generating a 3D virtual reality image from a 3D virtual reality image part (not yet determined);

(S5) of generating a control monitoring and confirming an abnormal situation;

If no abnormality is found, return to step S2 of acquiring the 2D image;

If the abnormality is confirmed, the control monitoring is confirmed and the step S6 is activated.

A step (S7) of selecting whether or not to manually operate the user is presented;

A step (S8) of inputting operation data when the manual operation is selected;

Through operation S9 of retrieving operation data and a 3D spatial image;

The process proceeds to step S12 where display data is generated;

When the manual operation is not selected, the automatic operation is started (S10);

Through an automatic control step S11 through automatic calculation processing on the control monitoring information;

The process proceeds to step S12 where display data by automatic control is generated;

Displaying the display data on a monitor (S13); The manual / automatic monitoring and control operation of the 3D image system applied to the automatic tunnel control system according to the embodiment of the present invention is terminated (S13).

4, the 3D spatial information generation module included in the image processing unit 500 may be provided with a gas display module (not shown) For example, the gas-color conversion unit outputs a color code of a color to be displayed on the image corresponding to the noxious gas concentration G measured by the sensing unit 300, and the noxious gas concentration The color of the color code 000000AA (Blue) is displayed in the corresponding region of the tunnel 3D virtual reality screen where the sensing unit 300 is located, and when the concentration is higher than 40% and less than 60% , The color of the color code 0000AAAA (Orange) is displayed in the corresponding area of the 3D virtual reality screen. If the risk concentration exceeds 60%, the color code 00AAAAAA (Red) is displayed in the corresponding area of the 3D virtual reality screen , Gas-colored pieces The user can easily visually recognize the colors displayed in each region. In addition, each of the noxious gas sensing units 300 can display the concentration of the measured gas expressed by an icon in units of percent . In addition, the icons of the respective sensing units 300 are displayed, for example, status information regarding the operation / stop of the jet fan and the forward / reverse operations.

In an embodiment of the present invention, the operation principle of the three-dimensional control system of the inside or outside of the tunnel thus constructed will be described in more detail. As shown in FIG. 5, the installation and operation of the automatic tunnel control system (S201);

(S202) of measuring, in real time, the gas concentration in the region (B) where the noxious gas detector (301) is ventilated by the jet fan 1 (601) and the jet fan 2 (602);

(S203) of transmitting the measured concentration value of the noxious gas to the control unit 403 of the automatic control system of the tunnel;

A step S204 of determining whether a fire signal is detected before comparing the predetermined reference gas concentration Gs of the control unit 403 with the numerical value of the tunnel internal gas measurement concentration Ga;

When a fire signal is detected, the operation of the jet fan 1 (601) and the jet fan 2 (602) is stopped (S209) by the hazardous gas detector 301;

Following the step S210 of operating the tunnel automatic control system in accordance with the program sequence by fire signal detection;

(S205) comparing the gas measurement concentration Ga and the set reference gas concentration Gs if a fire signal is not detected;

When the comparison result is Ga> Gs, the jet fan 1 (601) and the jet fan 2 (602) are operated (S206);

If Ga? Gs, the step S207 of comparing the vehicle traffic Pa passing through the current tunnel with the reference traffic amount Ps that the vehicle detection sensor P has been drawn on is applied;

When the vehicle traffic Pa of the tunnel exceeds the reference traffic Ps, the jet fan 1 (601) and the jet fan 2 (602) are operated (S206) in preparation for an increase in toxic gas such as vehicle smoke. Otherwise, the operation of the jet fan 1 (601) and the jet fan 2 (602) is stopped (S208);

The operation by the three-dimensional control system of the inside or outside of the tunnel is terminated (S211), and the concentration of the noxious gas which normally does not generate fire is corresponded to the occurrence of fire and the jet fan 1 (601) And an automatic control process in which the operation and stop of the fan 2 (602) are controlled.

In order to solve the problem that it is difficult to review and manage in the field as many vehicles move on the road due to the problems of the existing tunnel management, the 2D image is converted into the 3D virtual reality image so that the user can see it from a distance, The user can effectively monitor and control the tunnel, which is considered to be a very innovative invention in the tunnel automatic control system. It is possible to maintain the tunnel easily in a place where the user's access is not smooth, It is possible to control the user's safe working environment and to control the structure of the tunnel in manual and automatic mode. By using both the flexibility of judgment and accuracy of the machine, it is possible to effectively control the environmental level of the tunnel, It can be said that it is a superior invention that enhances safety.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, but variations and modifications may be made without departing from the scope of the present invention. will be.

The 3D image system applied to the tunnel automatic control system according to the present invention can be manufactured and installed repeatedly by a person skilled in the art in an industry that manufactures and installs a general tunnel automatic control system, It will be called invention.

100: camera 200:
300: Detector 301: Noxious gas detector
401: input unit 402: storage unit
403: control unit 500: image processing unit
501: dual image processing unit 502: 2D image texture
503: 3D virtual reality image unit 504: Display image unit
600: Structure section 601: Jet fan 1
602: Jet fan 2 700: Monitor
Ga: measured gas concentration Gs: reference gas concentration
Pa: vehicle traffic Ps: standard traffic

Claims (3)

A 3D image system applied to a tunnel automatic control system,
The configuration of the 3D image system applied to the automatic control system of the tunnels,
At least one camera for photographing the inside or outside of the tunnel in 2D;
A communication unit for transmitting 2D image information photographed by the camera to a control unit;
A sensing unit configured of at least one sensor for measuring a concentration of noxious gas inside or outside the tunnel, a temperature inside or outside the tunnel;
An input unit configured to transmit 2D image information photographed by the camera to an input unit through a communication unit and to transmit temperature information of a noxious gas concentration inside or outside the tunnel or inside or outside the tunnel to the input unit;
A structure part installed for ventilation and extinguishing of the tunnel;
A control unit for comparing the measurement values of the concentration of the noxious gas inside or outside the tunnel, the inside or outside of the tunnel measured by the sensing unit with the set values to determine the necessity of problem solving or preventive measures and controlling the operation of the structure;
A storage unit for storing and storing the 2D image information received by the input unit, the concentration of noxious gas inside or outside the tunnel, temperature information inside or outside the tunnel, and the like;
The 2D image information stored in the storage unit is transmitted to the dual image processing unit, the dual image processing unit transmits the tunnel environment information of the sensing unit and the operation state of the structure part as 2D image texture, The 3D virtual reality image unit combines the image information processed by the 2D image processing unit and the 2D image texture, generates a 3D virtual reality image, displays a 2D image on the 3D drawing of the tunnel, An image processing unit for generating a 3D virtual reality image in a form in which state information and operation information are displayed on a 3D virtual reality image;
At least one monitor for displaying a 3D virtual reality image converted by the image processing unit to a user; And a 3D image system applied to the automatic tunnel control system. The method according to claim 1,
And an image processing unit for generating a 3D virtual reality image in which a jet fan is installed as a tunnel structure and an icon item capable of manually or automatically controlling the jet fan is matched within the 3D virtual reality image, 3D image system applied to tunnel automatic control system. 3. The method according to claim 1 or 2,
The measured values of the concentration of the harmful gas inside or outside the tunnel, the inside or outside of the tunnel measured at each sensing unit inside or outside the tunnel are displayed at the position of each sensing unit in the 3D virtual reality image, And an image processing unit for generating a 3D virtual reality image in which differential colors are displayed in a matching manner.

Images