KR101247966B1 - Method of safety diagnostic with telescope-camera for structure - Google Patents

Abstract

PURPOSE: A precise safety diagnosis method using an optical lens and a telephoto lens when diagnosing the safety of a civil structure and a building is provided to photograph the exterior of the structure by using a camera with the optical telephoto lens at a remote location, to analyze the images with a DSP(Digital Signal Processor) method, and to diagnose the safety of the structure, thereby simplifying the operation of equipment, the maintenance of the structure, and a safety diagnosing task. CONSTITUTION: A precise safety diagnosis method using an optical lens and a telephoto lens when diagnosing the safety of a civil structure and a building is as follows. Angle information and coordinate information are received from a posture detecting unit by a DSP safety diagnosis server, thereby being recorded in an allocated domain with corresponding time information(S2100). Whether an installation state of the posture detecting unit is different from a previous state or not is confirmed by analyzing the recorded angle information(S2200). When posture correction is necessary, corresponding remote-control command signals for correcting a posture are output to the posture detecting unit(S2300). The exterior of the posture detecting unit is photographed by controlling the telephoto lens by using the DSP safety diagnosis server, and signals of the photographed images are output(S2400). The output image signals are digital-processed so that the displacement information of the structure is extracted by the DSP safety diagnosis server(S2500). A difference value is analyzed by comparing the extracted displacement information and recorded reference value information(S2600). When the difference value exceeds an allowable range, a corresponding warning message is output(S2800). [Reference numerals] (AA) Start; (BB) End; (S2100) Receiving and storing angle information and coordinate information of a posture detecting unit; (S2200) Correcting the posture?; (S2300) Outputting a remote control command signal for correcting the posture; (S2400) Inputting an image signal of the posture detecting unit photographed by controlling an optical telescopic lens camera; (S2500) Extracting displacement information by DSP processing the image signal and successively storing in an allocated area of a memory; (S2600) Comparing a reference value with the extracted displacement information and analyzing a safety test result; (S2700) Exceeding an allowable range?; (S2800) Outputting a warning message;

Description

Precise safety diagnosis method using optical lens and telephoto lens for civil structure and building safety diagnosis {Method of safety diagnostic with telescope-camera for structure}

The present invention relates to a method for precisely diagnosing safety using optical lenses and telephoto lenses for the safety diagnosis of civil engineering, architecture, and natural structures. More specifically, long or high lengths such as bridges and piers are difficult to access. Optical telephoto lens safely and remotely when necessary and analyze the captured image by digital signal processing (DSP) to remotely diagnose the safety status of structures including bridges and bridges And it relates to a precision safety diagnostic method using a telephoto lens.

Naturally formed natural structures, civil structures, and architectural structures, especially large buildings and bridges, are generally verified for continuous safety through thorough supervision from design to completion and regular safety checks after completion.

In the following description, the structure will be described as including a civil structure, building structure, artificial structure, natural structure.

Even if all the structures are well built and passed the safety diagnosis safely, they are always in danger of being collapsed in a moment due to various internal and external causes during use.

In order to prevent the collapse of structures and catastrophic disasters, it is always necessary to have a monitoring and alarm system that can promptly take appropriate measures such as repairs, displacements, or evacuation of people as soon as displacement, failure or abnormality is found. .

In addition to the most basic visual inspection, there are non-destructive tests (NDT) such as radiographic and ultrasonic flaw detection in addition to the most basic visual inspection. The non-destructive tests can be used to accurately diagnose the safety of structures.

Such non-destructive testing is essential for safety diagnosis during the construction process, and regularly or irregularly after construction, but is not suitable as a regular monitoring means.

In other words, the non-destructive testing has to be carried out in a variety of ways depending on the characteristics of the structure, should be performed by experts in each field, there is a problem that takes a lot of time to prepare and diagnose for the inspection.

In addition, economic monitoring is inevitably considered in the continuous monitoring system, and non-destructive inspection requires a lot of high-quality manpower and expensive equipment, and thus economic efficiency is greatly reduced.

Looking at the related art related to the constant monitoring of the safety of the structure, the internal cracks of the building structure are monitored in Korean Patent Publication No. 10-2000-0065831 (2000.11.15.) "Inner crack detection sensor of the building structure using the optical fiber" A sensor related technology is disclosed.

1 is a functional configuration diagram illustrating a detection sensor for diagnosing safety of a civil engineering structure and a building according to an embodiment of the prior art.

Hereinafter, referring to the accompanying drawings, in the related art, optical fibers are embedded together in the concrete 1 forming a structure, and optical connectors 2, 3, and 4 are installed at ends of the optical fibers, and each optical connector 2 , 3, 4) is connected to the optical cable, and the optical transmitter and the optical receiver are connected to the ends of the optical cable to form a sensing sensor.

The sensor is embedded in the structure by penetrating the optical fiber cable through a body made of the same material as the structure (concrete). This sensor is intended to be broken or deformed during internal cracking of the structure, causing a substantial error or failure in its optical transmission function.

Structures in which the sensor is embedded can enter the laser light at one end of the cable of the optical fiber and receive the laser light at the other end to monitor the internal crack of the structure by analyzing the presence or absence of light or change in the amount of light. .

The sensing sensor method using the optical cable can be monitored at all times only when the fiber optic cable embedded in the structure is safely installed and well preserved, and the optical fiber cable can be reused when the fiber cable embedded in the structure is cut off or a failure occurs. There is a problem that is limited in use because it can not be recovered.

That is, the prior art has to monitor or diagnose the safety of the structure in a different way when the fiber optic cable buried in the structure fails and loses its original function.

In addition, the prior art is easy to damage the optical fiber cable in the process of placing and curing the structure (concrete) due to the characteristics of the optical cable, if it is damaged, it is almost impossible to recover, and still difficult to apply to wooden or steel frames other than existing structures or concrete have.

In the prior art, which partially solves this problem, the patent application No. 10-2001-0052103 (August 28, 2001) "Optical structure safety monitoring device" is configured in a portable form of the laser target.

The improved prior art is to install a linear image sensor and a beam splitter, which are laser targets, on a structure in a mobile and de-tachable manner, and output a laser toward a target with a laser oscillator to measure the displacement of the structure.

However, the improved prior art optical structure safety monitoring device is mobile and requires a plurality of lasers to measure the displacement of the structure in various places. Therefore, the configuration is complicated and the burden of construction cost is increased. Because of the configuration, there is a problem in that real-time diagnosis, such as moving the displacement sensor and precisely adjusting the reference position every time, is difficult.

In addition, the prior art is a method of diagnosing safety of a structure that is relatively easy to access or located at a close distance, so a problem that it is difficult to always safely diagnose a structure that is difficult to access remains.

Therefore, it is necessary to develop a technology that can be applied to all kinds of structural safety diagnosis because the overall configuration of the device is simple, the operation, maintenance and safety diagnosis are easy, and the remote optical imaging of the safety diagnosis of the inaccessible structure using the optical telephoto lens. There is.

In addition, there is a need to develop a technology that protects the workers by first securing the safety of the workers according to the safety diagnosis of the inaccessible structure.

In order to solve the problems and necessity of the prior art as described above, the present invention is to take the outside of the structure using a camera equipped with an optical telephoto lens from a remote location and to analyze the captured image in a DSP method to diagnose the safety of the structure To provide precise safety diagnosis method using optical lens and telephoto lens for civil structure and building safety diagnosis.

In addition, the present invention facilitates the safety diagnosis of the structure, the configuration of the corresponding equipment is simple, the operation cost is low, the maintenance is easy, the first to protect the workers safely and civil engineering that can be quickly diagnosed when necessary Provides precision safety diagnosis method using optical lens and telephoto lens for structural and building safety diagnosis.

In order to achieve the object of the present invention, the precision safety diagnosis method using optical lens and telephoto lens for civil structure and building safety diagnosis is a satellite (20) and bridge (30), bridge (broadcasting) GPS (GPS) coordinate information signal The camera 50 is installed around the structure 50 including the structure 50 and the structure 50 is fixed to the camera holder 60 and the camera holder 60 is fixed to the image signal taken by the corresponding control signal A posture detection unit 100 fixedly installed on a portion of the surface of the optical telephoto lens camera 70 and the structure 50 to provide an angle information and receiving coordinate information signals broadcasted by the satellite 20; The image signal photographed outside the posture detection unit 100 is input from the optical telephoto lens camera 70, and digital signal processing (DSP) is used to diagnose the safety of the structure 50. In the precision structural safety diagnostic equipment 10 comprising a DS safety diagnostic server 200 for outputting a corresponding remote control command signal to rotate by changing the fixed state of the unit 100, the DS safety diagnostic server 200 A first step of receiving the angle information and the coordinate information from the posture detection unit 100 and storing the angle information and the coordinate information together with corresponding time information in an allocated area; Analyze the stored angle information to determine whether the posture detection unit 100 is different from the previous state.In other cases, it is determined whether the posture correction is necessary beyond the allowable error range. Outputting a corresponding remote control command signal to the posture detection unit; A third process of controlling the optical telephoto lens camera 70 by the DS safety diagnosis server 200 to photograph the outside of the posture detection unit 100 and output the photographed image signal to be input; The DS safety diagnosis server 200 captures the outside of the posture detection unit 100 and digitally processes the input image signal to extract displacement information of the structure 50 and allocate an area of the memory. A fourth process of storing time information by including the same; And a fifth process of analyzing the difference value by comparing the extracted displacement amount information and the stored reference value information by the DPS safety diagnosis server 200 and outputting a corresponding warning message when it is determined that the difference value exceeds the allowable range. ; Including, but the optical telephoto lens camera 70 further comprises a cross mark or a slot scale marked such that the grid to indicate the distance from the center position and the center position of the photographed image from the photographed image, the digital signal The image processing process is performed by photographing the outside of the posture detection unit 100, and the cross-section table among the photographed reference scales and corresponding values of the first posture detection unit and the second posture detection unit from the image signal input from the optical telephoto lens camera 70. Extracting the value of the numerical value corresponding to the reference scale of the portion corresponding to the DSP safety diagnosis server 200 may set the value of the extracted value corresponding to the reference scale as the displacement amount information.

The present invention of the configuration as described above by using a camera equipped with an optical telephoto lens to the outside of the structure and by analyzing the photographed image in a DSP method to diagnose the safety of the structure, easy operation, maintenance and equipment of equipment The whole structure is simple and safety diagnosis work is very convenient.

In addition, the present invention of the configuration as described above has the advantage of ensuring the safety of workers difficult to access the structural safety first and foremost to proceed with the diagnosis quickly when the safety diagnosis is required.

1 is a functional configuration diagram illustrating a detection sensor for diagnosing safety of a civil engineering structure and a building according to an embodiment of the prior art;
2 is a functional configuration diagram of a precision safety diagnostic equipment using optical lenses and telephoto lenses for civil structures and building safety diagnosis according to an embodiment of the present invention,
3 is a functional configuration diagram illustrating a structure of a housing unit according to an embodiment of the present invention;
4 is an assembly view for explaining the driving state of the second screw unit and the step motor unit according to an embodiment of the present invention;
5 is a functional configuration diagram illustrating a configuration of a circuit unit according to an embodiment of the present invention;
6 is a functional configuration diagram illustrating a state in which a posture detection unit is installed in a structure to correct a posture according to an embodiment of the present invention;
And
7 is a flowchart of a precision safety diagnosis method using an optical lens and a telephoto lens in civil construction and building safety diagnosis according to an embodiment of the present invention.

As the inventive concept allows for various changes and numerous embodiments, particular embodiments will be illustrated in the drawings and described in detail in the written description. However, this is not intended to limit the present invention to specific embodiments, it should be understood to include all transformations, equivalents, and substitutes included in the spirit and scope of the present invention. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, the present invention will be described in detail with reference to the accompanying drawings.

In the following description, the displacement or displacement amount is a state or size value whose shape is changed from the initial shape in which the structure is observed and selected, and adjustment and adjustment are used in the same sense.

2 is a functional configuration diagram of a precision safety diagnosis equipment using optical lenses and telephoto lenses for civil structures and building safety diagnosis according to an embodiment of the present invention, Figure 3 is according to an embodiment of the present invention 4 is an assembly diagram for explaining a driving state of a second screw unit and a step motor unit according to an embodiment of the present invention, and FIG. 5 is a circuit unit according to an embodiment of the present invention. 6 is a functional configuration diagram illustrating the configuration of FIG. 6 is a functional configuration diagram illustrating a state in which a posture detection unit is installed in a structure to correct a posture.

Hereinafter, with reference to the accompanying drawings in detail the structure precision safety diagnostic equipment 10 according to an embodiment of the satellite 20, bridge 30, pier 40, camera fixture 60, optical telephoto lens camera 70, the posture detection unit 100, and the DS safety diagnosis server 200.

The satellite 20 is composed of 24 that travel along a relatively constant track over an average ground altitude of about 20,183 km. When receiving and analyzing GPS coordinate information signals that are broadcast free of charge from at least three satellites 20, it is possible to accurately know the elevation, longitude, latitude, time, direction of movement, and movement speed of the location where the signals are received. It is a Global Positioning System (GPS) and is generally very well known.

The bridge 30 is made of one or more, and is a structure 50 formed to move a vehicle, a person, etc. by connecting between a valley, a building, and a building.

The bridge 40 is installed between the bridge 30 or the bridge 30 and the bridge 30 to support the load and not to fall.

The structure 50 will be described as including a bridge 30 and a pier 40.

The camera holder 60 is preferably installed relatively flat on the ground or a structure, and may further include a device necessary for fixing, moving, and rotating.

The optical telephoto lens camera 70 is installed on the camera holder 60 to maintain a stable posture, and can be remotely controlled by inputting a remote control command signal of the DS safety diagnosis server 200, and photographing a subject or structure Is a camera including an optical telephoto lens capable of optically enlarging and photographing close, large, and clear, and the higher the resolution, brightness, and sharpness of the photographed image, the better.

The image captured by the optical telephoto lens camera 70 is preferably at a resolution capable of distinguishing a size of about 0.3 to 0.03 millimeters from the surface to be photographed.

The telephoto lens of the optical telephoto lens camera 70 is preferable to have a higher brightness, and if the angle of view is 2 degrees or more, the lens can be used without difficulty. .

The larger the magnification of the telephoto lens is, the better the magnification is. However, it may be different depending on the distance from the subject to be photographed. Additional devices such as filters for blocking or sorting out unnecessary light, fixed devices such as lighting devices, tripods, communication devices for remote control and communication, distance measuring devices, rotator devices, tilt devices, and other devices may be further included. Of course.

In addition, the optical telephoto lens camera 70 may further include, as an additional device (accessory), a cross scale mark or a slot scale marked with these scales to indicate the center position of the shot and the distance from the center from the captured image. have.

In the digital method, both CCD and CMOS methods can be used, and the pixel can be used as long as 12 mega pixels, and preferably 20 mega pixels or more.

The posture detection unit 100 is installed on a part of the surface of the structure 50 and is fixedly installed in a variable state that can adjust the installed direction and position within an allowable range and receives coordinate information signals of GPS broadcast by the satellite 20.

The posture detection unit 100 optically observes or photographs the displacement amount information of the structure 50 and receives the remote control command signal of the DS safety diagnosis server 200 to adjust the installed direction and position, and the enclosure 1100 and the circuit unit. 1200, including the configuration.

The enclosure 1100 is fixedly installed on a part of the surface of the structure 50 to optically measure the vertical and horizontal angle information. The body 1110, the first displacement display unit 1120, and the second displacement are optically measured. The display unit 1130, the fixing hole 1140, the first screw unit 1150, the arc-shaped hole 1160, and the second screw unit 1170 are configured to include the same.

The body portion 1110 may have a cylindrical or box shape and may have a polygonal shape including a circular shape as a whole, and may have a rectangular cylindrical shape having a predetermined thickness.

The body portion 1110 may be configured such that one portion is fixed to a portion of the surface of the structure 50 and acts as a rotation shaft, and the other portion is rotated and fixed to a size determined in an allowable range.

On the front surface of the body portion 1110, a center line 1121 is formed in the longitudinal direction or in any selected direction, and a right angle line 1131 is formed in a direction perpendicular to the center line 1121, and a center line 1121 and a right angle line 1131 are formed. May be a virtual line that is displayed or not displayed.

The first displacement display unit 1120 is installed at a portion of the front surface of the body portion 1110 along the center line 1121 or the X axis according to an embodiment, and optically displays displacement amount information in which the structure 50 is displaced in the direction of the center line 1121. Can be detected.

The second displacement display unit 1130 is installed on a right angle line 1131 or a part of the front surface of the body portion 1110 along the Y axis according to an embodiment, and the displacement amount information in which the structure 50 is displaced in the direction of the right angle line 1131. Optical detection can be made.

The first displacement display unit 1120 and the second displacement display unit 1130 have a band shape of a semicircle arc, and a scale and a number are displayed on the surface thereof, so that they can be visually observed or photographed with the naked eye.

The fixing hole 1140 is formed in a penetrating state on one side of the body part 1110, and is a pivot shaft for adjusting the posture of the body part 1110 while fixing the body part 1110 to the outside of the structure 50. Used.

The first screw part 1150 is inserted into the fixing hole 1140 and fixed to the structure 50 to install the body part 1110 in a rotational state.

The arc-shaped hole 1160 corresponds to the fixing hole 1140 and penetrates through the other side of the body portion 1110 at the position farthest from the fixing hole 1140 in an arc shape, and allows the posture of the body portion 1110 to be within an acceptable range. I can adjust it.

The second screw portion 1170 is inserted into the arc-shaped hole 1160 and is fixed to the structure 50 and can be fixedly installed in a variable state of a controlled size.

The second screw portion 1170 includes a insertion fixing portion 1171, a head portion 1173, and a rack gear portion 1175.

Insertion fixing part (1171) is fixed to one side end is inserted into the structure 50, the head portion 1173 is larger than the arc-shaped hole 1160 at the other end of the insertion fixing part (1171) and constant It is formed in a thickness, and the rack gear portion 1175 has a gear shape formed along a surface of one side edge of the head portion 1173.

The circuit unit 1200 is installed in the enclosure 1100 to receive a signal of the satellite 20 and rotate the other part of the enclosure 1100 by the corresponding remote control command signal received from the DS safety diagnosis server 200. The fixed position can be varied.

The circuit unit 1200 includes a solar power supply unit 1210, a first sensor unit 1220, a second sensor unit 1230, a safety diagnosis control unit 1240, a step motor unit 1250, a safety diagnosis communication unit 1260, and a GPS unit. 1270, a unique number unit 1280, and a display unit 1290.

The solar power supply unit 1210 is installed on one side of the enclosure 1100 and inputs sunlight to generate electricity of direct current, and store and output the generated direct current electricity. Naturally known means such as charge and discharge battery, capacitor, etc. can be used as a means for storing the direct current electricity.

The first sensor unit 1220 is provided (installed) to coincide with or parallel to the center line 1121 of the housing unit 1100 or one of the designated directions, and the center line 1121 of the housing unit 1100 installed in the structure 50. Detects the angle information in the direction or in one of the designated directions.

The second sensor unit 1230 is provided (installed) in a direction coinciding with or parallel to the right angle line 1131 of the enclosure portion 1100 to detect angle information in a direction perpendicular to the enclosure portion 1100 installed in the structure 50. do.

The safety diagnosis control unit 1240 receives electricity from the solar power supply unit 1210 and distributes the supplied electricity to supply the corresponding operation power to each functional unit, monitors the operation state of each functional unit, outputs a corresponding control signal, and outputs a circuit unit 1200. And store or update the data in the allocated area of the memory provided with various information (data), command signals, reference values, software, etc. which need to be stored while operating.

The step motor unit 1250 is fixedly installed at a portion where the arc-shaped hole 1160 of the housing unit 1100 is formed.

Since the step motor unit 1250 rotates left and right at an angle specified by the control signal of the safety diagnosis control unit 1240, the other side of the housing unit 1100 is rotated around the fixing hole 1140 to change the installed position. The variable state is to be fixed and maintained.

The step motor unit 1250 is configured to include a drive motor unit 1251, a motor shaft 1253, a spur gear 1255, and a fixed bracket 1257.

The driving motor 1251 includes a step motor and a server motor when the rotation angle is arbitrarily adjusted by turning left and right at an angle specified by a corresponding control signal of the safety diagnosis control unit 1240. Any one of a variety of commonly known motors can be selected and used.

The motor shaft 1253 is formed by extending the rotation shaft of the drive motor portion 1251, and the spur gear 1255 is coupled to one end of the motor shaft 1253 to correspond to the rack gear portion 1175 on the circumference thereof. The gears to be engaged are formed uniformly, and the fixing bracket 1257 is formed by protruding a plurality of portions of the driving motor part 1251 and can fix the step motor part 1250 to the housing part 1100. have.

The safety diagnosis communication unit 1260 transmits the coordinate information and the angle information signal according to the control signal of the safety diagnosis control unit 1240, receives a remote control command signal, and transmits the signal to the safety diagnosis control unit 1240. Any one or all of the communication methods selected from the description of the technology can be provided at a time.

The safety diagnosis communication unit 1260 is configured to connect to the DS safety diagnosis server 200 located at a remote site or a corresponding communication terminal located at a site, and transmit and receive command signals, control signals, information (data), programs, and the like as data input / output means. May be used.

The GPS unit 1270 receives the GPS coordinate information signal broadcast by the satellite 20 according to the control signal of the safety diagnosis control unit 1240, and analyzes the coordinate information of the position where the housing unit 1100 is installed, and the safety diagnosis control unit ( Commonly known configurations for communicating to 1240 are included.

The safety diagnosis communication unit 1260 and the GPS unit 1270 each require a corresponding antenna (A), and in FIG. 3, only one antenna (A) is shown to simplify the drawing.

The unique number unit 1280 outputs a unique number (ID) stored according to the control signal of the safety diagnosis control unit 1240.

The unique number unit 1280 is stored differently in each of the plurality of posture detection unit 100 may distinguish each posture detection unit 100. That is, each posture detection unit 100 may be used for the purpose of distinguishing and confirming the location, time, administrator, and the like installed.

The display unit 1290 visually displays the information detected while the operation state of the posture detection unit 100 is operated by the corresponding control signal of the safety diagnosis control unit 1240, and displays the LCD or the plurality of LEDs. It may be configured as a visual display device including a.

In the above configuration, since the first threaded portion 1150 penetrates the fixing hole 1140 and the second threaded portion 1170 penetrates the arc-shaped hole 1160 to be fixed at a designated position of the structure 50, the posture detecting unit 100 is fixed. It is installed vertically or horizontally at the designated position where the safety diagnosis of structure 50 is necessary.

Although the posture detection unit 100 may be installed in any shape without limiting the shape or shape of the posture detection unit 100, it is highly preferable to install the posture detection unit 100 in the same shape for reliability and precision of the measured result.

The number of posture detection unit 100 is installed for the safety diagnosis of the structure 50 is not limited.

When a plurality of posture detection unit 100 is installed, it can be confirmed by receiving a unique number (ID) stored in the unique number unit 1280 to distinguish each.

The installed posture detection unit 100 analyzes the angle information detected by the first sensor unit 1220 and the second sensor unit 1230 in the field or remotely, so that the installed posture detection unit 100 can check the installed state in the designated vertical and horizontal directions. .

At this time, the angle information is transmitted and received through the antenna (A) connected to the safety diagnosis communication unit 1260 and output through the display unit 1290, so that it can be confirmed in the field by selection or remotely.

In addition, in the case of the GPS coordinate information received by the GPS unit 1270, it can be confirmed at the site by the selection or the same at a remote location.

If the posture detection unit 100 is not installed in a necessary state, a step motor unit (eg, a remote control command signal remotely inputted from a remotely controlled DS safety diagnosis server 200 connected directly in the field or directly inputted) 1250 may be rotated left or right and the process of re-analyzing the angle information detected by the first sensor unit 1220 and the second sensor unit 1230 may be repeated to finely adjust the installed state.

The spur gear 1255 of the step motor unit 1250 is gear-coupled with the rack gear unit 1175 of the second screw unit 1170 by gears, and is a rotational force transmitted through the motor shaft 1153 of the driving motor unit 1253. To the rack gear unit 1175.

Here, the enclosure 1100 is fixed to the step motor unit 1250 is installed rotatably around the fixing hole 1140, the second screw portion 1170 is firmly fixed to the structure (50).

Therefore, the posture detection unit 100 is rotated around the fixing hole 1140 by the rotation direction of the step motor unit 1250, and the size and direction of the rotation may be applied in various ways and forms.

The optical telephoto lens camera 70 is installed on the camera fixing stand 60 using a dedicated holder or a tripod, and is preferably installed so that separation and withdrawal is easy and a certain direction is taken. The camera fixture 60 may add a separate device for adjusting the direction in which the optical telephoto lens camera 70 is photographed.

The optical telephoto lens camera 70 is installed to photograph the first displacement display unit 1120 and the second displacement display unit 1130 installed on the front of the posture detection unit 100, and photographs one or more posture detection units 100. In addition, the DS safety diagnosis server 200 is photographed by a corresponding remote control command signal applied from the DS safety diagnosis server 200 and provides a photographed image data signal.

The first displacement display unit 1120 and the second displacement display unit 1130 may be optically observed or photographed by recording a scale and a number on the surface of the strip having an arc shape.

That is, the optical telephoto lens camera 70 installed at a fixed position photographs the scales and numbers displayed on the first displacement display unit 1120 and the second displacement display unit 1130 at regular or irregular intervals, and the image data in the photographed state. The signal is transmitted to the DS safety diagnosis server 200. The optical telephoto lens camera 70 may be photographed together with a cross scale or a slot-shaped scale to facilitate analysis of the captured image data signal.

The DS safety diagnosis server 200 is input by receiving from the optical telephoto lens camera 70 and is an image data signal of an image captured by the first displacement display unit 1120 and the second displacement display unit 1130 of the posture detection unit 100. By analyzing the digital signal processing (DSP: Digital Signal Processing) it can be accurately analyzed and determined whether the displacement occurs, the size, etc., such as the structure 50 is bent or distorted.

Digital signal processing (DSP) technology is a commonly known technology, and can digitally process digital image signals to partially enlarge, separate, synthesize, extract, recognize, and the like.

The DS safety diagnosis server 200 analyzes the image data signal photographed on the surface of the posture detection unit 100 and analyzes the displacement amount, size, direction, occurrence time, etc. Save and output as a message and output the corresponding warning signal.

According to the present invention having the above-described configuration, the surface of the structure 50 is photographed from a remote location using a camera equipped with an optical telephoto lens, and the image data signal is processed by the DSP technique to analyze the displacement amount. Remote diagnosis of safety

In addition, the posture detection unit 100 installed in the structure 50 may be rotated to the center of the fixing hole 1140 to accurately correct the installed posture or position.

On the other hand, it is easy to proceed with the safety diagnosis of the structure 50, the configuration of the corresponding equipment is simple, the operating cost is low, easy maintenance and can protect the worker first.

7 is a flowchart of a precision safety diagnosis method using an optical lens and a telephoto lens in civil construction and building safety diagnosis according to an embodiment of the present invention.

Hereinafter, the detailed description will be made with reference to FIGS. 1 to 7 to be connected to the posture detection unit 100 by the DS safety diagnosis server 200, and receive the angle information and the coordinate information measured by the posture detection unit 100 by corresponding memory. It is stored in the allocated area of (S2100).

The angle information is an angle in a state where the posture detection unit 100 is fixed to the structure 50 in one embodiment, and the first sensor unit 1220 in the X axis direction and the second sensor unit 1230 in the Y axis direction. Are the measured values.

The coordinate information is obtained by the GPS unit 1270 receiving and analyzing a signal of the GPS broadcasted by the satellite 20, and the position information classified by the longitude, latitude, and sea level of the place where the posture detection unit 100 is installed. Or coordinate information.

The coordinate information analyzed by the GPS unit 1270 is known to have a relatively large error in the range of several meters (m).

The DS safety diagnosis server 200 receives the angle information and analyzes it in contrast with the previous angle information stored in the memory area to determine whether the posture of the posture detection unit 100 should be corrected (S2200).

As a result of analyzing the angle information by the DS safety diagnosis server 200, if it is necessary to correct the installed posture of the posture detection unit 100, a corresponding remote control command signal for self-calibration is generated and output to the posture detection unit 100. (S2300).

The posture detection unit 100 rotates the enclosure unit 1100 around the fixed hole 1140 by driving the step motor unit 1250 to correspond to the corresponding remote control command signal for posture correction received from the DS safety diagnosis server 200. Let's do it.

On the other hand, the DS safety diagnosis server 200 controls the remotely connected optical telephoto lens camera 70 receives the image image data signal photographed on the surface of the posture detection unit 100 (S2400).

The optical telephoto lens camera 70 photographs the scales and numbers of the first displacement display unit 1120 and the second displacement display unit 1130 installed on the surface of the posture detection unit 100, and the center position and distance from the center position of the photographing. A cross or slot tick device may be used to indicate to confirm.

The cross mark device displays X (X) axis coordinates and Y (Y) axis coordinate values, respectively, based on the center position and the center position of the captured image. The slot scale device is a slot shape. May be displayed on the device and may be superimposed on the captured image.

The DS safety diagnosis server 200 processes a video image data signal input by photographing the surface of the posture detection unit 100 by a digital signal processing (DSP) method, so that the first displacement display unit 1120 and the second displacement display unit 1130 are processed. The separated portions are separated, and each separated image is processed to extract the scale value of the center position and sequentially stored in the allocated area of the memory with the corresponding time (S2500).

The DS safety diagnosis server 200 analyzes the safety diagnosis result of the structure by comparing the scale value of the recognized and sequentially stored central position with the previously recorded reference scale value (S2600), and the value by analyzing the safety diagnosis result is allowed. It is determined whether it is within the error range value or exceeds the allowed error range (S2700).

The allowable error range may be zero, but it is desirable to consider that shrinkage and expansion may occur due to climate, temperature, vibration, and the like.

The DS safety diagnosis server 200 outputs a warning message indicating that the safety diagnosis result is dangerous if it is determined that the value of the safety diagnosis result exceeds the allowable error range (S2800).

The warning message may include a dangerous signal including the value, sound, and light of the result analyzed as the safety diagnosis result, and may be displayed to be transmitted to a designated party using wired / wireless communication means and immediately checked on the spot.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is evident that many alternatives, modifications and variations will be apparent to those skilled in the art.

10: Precise safety diagnosis equipment 20: Satellite
30: bridge 40: bridge
50: structure 60: camera stand
70: optical telephoto lens camera 100: posture detection unit
200: DS safety diagnosis server
1100: enclosure 1110: body
1120: first displacement display unit 1130: second displacement display unit
1140: fixing hole 1150: first threaded portion
1160: arc hole 1170: second screw portion
1171: Insertion fixing part 1173: Head part
1175: rack gear part 1200: circuit part
1210: solar power supply unit 1220: first sensor unit
1230: second sensor unit 1240: safety diagnosis control unit
1250: step motor unit 1260: safety diagnostic communication unit
1270: GPS 1280: Identification number
1290: display unit

Claims (1)

The structure 50 including the satellite 20, the bridge 30, and the bridge 40, which broadcasts GPS coordinate information signals, and a camera holder 60 installed around the structure 50 to fix the camera. And fixed to the camera holder 60 and fixed to the optical telephoto lens camera 70 and a portion of the surface of the structure 50 to output the image signal photographed by the control signal in a variable state is installed A digital signal processing by inputting an image signal photographed outside the posture detection unit 100 from the posture detection unit 100 and the optical telephoto lens camera 70 to receive coordinate information signals broadcasted by the satellite 20. (DSP) to diagnose the safety of the structure 50, the structure comprising a DS safety diagnosis server 200 for outputting the corresponding remote control command signal to vary by rotating the fixed state of the posture detection unit 100 In the precision safety diagnostic equipment (10),
A first step of receiving the angle information and the coordinate information from the posture detection unit 100 by the DS safety diagnosis server 200 and storing the angle information and the coordinate information together with the corresponding time information in the allocated area;
Analyze the stored angle information to determine whether the posture detection unit 100 is different from the previous state.In other cases, it is determined whether the posture correction is necessary beyond the allowable error range. Outputting a corresponding remote control command signal to the posture detection unit;
A third process of controlling the optical telephoto lens camera 70 by the DS safety diagnosis server 200 to photograph the outside of the posture detection unit 100 and output the photographed image signal to be input;
The DS safety diagnosis server 200 captures the outside of the posture detection unit 100 and digitally processes the input image signal to extract displacement information of the structure 50 and allocate an area of the memory. A fourth process of storing time information by including the same; And
A fifth step of analyzing the difference value by comparing the extracted displacement amount information and the stored reference value information by the DS safety diagnosis server 200 and outputting a corresponding warning message when it is determined that the difference value exceeds the allowable range; Including,
The optical telephoto lens camera 70 further includes a cross mark indicating a center position of the photographing from the photographed image and a distance from the center position, or a slot mark on which the scale is displayed.
The digital signal processing is performed by photographing the outside of the posture detection unit 100 to display the image of the first posture detection unit and the second posture detection unit from the image signal input from the optical telephoto lens camera 70, and among the numerical values. Extract the value of the numerical value corresponding to the reference scale of the part that matches the crosshairs,
The DS safety diagnosis server 200 is a precision safety diagnostic method using an optical lens and a telephoto lens for civil structure and building safety diagnostics, characterized in that for setting the value of the value extracted in accordance with the reference scale to the displacement amount information.

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