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WO2018062578A1 - Method and system for safety management of gas facility on basis of analog measurement using image processing - Google Patents

Method and system for safety management of gas facility on basis of analog measurement using image processing Download PDF

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Publication number
WO2018062578A1
WO2018062578A1 PCT/KR2016/010803 KR2016010803W WO2018062578A1 WO 2018062578 A1 WO2018062578 A1 WO 2018062578A1 KR 2016010803 W KR2016010803 W KR 2016010803W WO 2018062578 A1 WO2018062578 A1 WO 2018062578A1
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Prior art keywords
safety management
analog
image
camera module
gateway
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French (fr)
Korean (ko)
Inventor
신준호
이원희
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Korea Electronics Technology Institute
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Korea Electronics Technology Institute
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B23/00—Testing or monitoring of control systems or parts thereof
    • G05B23/02—Electric testing or monitoring
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Information and communication technology [ICT] specially adapted for implementation of business processes of specific business sectors, e.g. utilities or tourism
    • G06Q50/06—Energy or water supply
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06V—IMAGE OR VIDEO RECOGNITION OR UNDERSTANDING
    • G06V30/00—Character recognition; Recognising digital ink; Document-oriented image-based pattern recognition
    • G06V30/10—Character recognition
    • G06V30/22—Character recognition characterised by the type of writing
    • G06V30/224—Character recognition characterised by the type of writing of printed characters having additional code marks or containing code marks
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/66—Arrangements for connecting between networks having differing types of switching systems, e.g. gateways
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
    • H04N23/10—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths
    • H04N23/17—Cameras or camera modules comprising electronic image sensors; Control thereof for generating image signals from different wavelengths using opto-mechanical scanning means only

Definitions

  • the present invention relates to a gas safety management technology, and more particularly, to a safety management method for a gas facility based on analog measurement, and a system to which the same is applied.
  • the conventional gas safety management system was operated using only simple monitoring of sensor information based on USN technology, which has limitations in clearly identifying and predicting risk factors of gas safety management.
  • analog instruments do not have a USN function, so it is impossible to collect measurement values. Therefore, there is a need for a quantitative data extraction method for analog instruments.
  • the present invention has been made to solve the above problems, and an object of the present invention is to provide a method and system for safety management of analog metrology-based gas equipment using image processing.
  • Safety management method for achieving the above object, the step of photographing an analog instrument; And extracting a measurement value from the captured image.
  • the photographing step may be performed by a camera module, and the extracting step may be performed by a gateway that receives a photographed image from a sensor node connected to the camera module.
  • the measured value may be extracted by comparing the photographed image and the sample images.
  • the sample images may be images of analog instruments indicating different specific measurement values.
  • the method may further include transmitting the extracted measurement value to the server.
  • the gateway may receive captured images from a plurality of different sensor nodes.
  • the sensor node may transmit the sensor value generated by the sensor node to the gateway.
  • a safety management system the camera module for photographing an analog measuring instrument; And a gateway that extracts measurement values from the captured image generated by the camera module.
  • FIG. 1 is a view showing a gas facility safety management system according to an embodiment of the present invention
  • FIG. 2 is a view showing a connection structure of a B type sensor node
  • FIG. 3 is a flowchart illustrating an operation process of a B type sensor node illustrated in FIG. 1;
  • FIG. 4 is a flowchart illustrating an operation process of the gateway illustrated in FIG. 1;
  • FIG. 5 is a detailed block diagram of a B type sensor node shown in FIG. 1;
  • FIG. 6 is a detailed block diagram of the gateway shown in FIG. 1;
  • FIG. 7 is a detailed block diagram of the server shown in FIG. 1.
  • FIG. 1 is a view showing a gas facility safety management system according to an embodiment of the present invention.
  • Gas facility safety management system by using the Internet of Things technology, to manage the safety of the gas facility through intelligent management and control through interoperability between devices.
  • the gas facility safety management system in order to prevent the risk that may occur due to the gas, collects / processes information necessary for gas facility safety management to perform an intelligent gas safety check.
  • Gas facility safety management system according to an embodiment of the present invention that performs such a function, as shown in Figure 1, the sensor nodes (10, 100), gateways (200-1, 200-2) and server
  • the fields 300-1 and 300-2 are connected to each other so as to communicate with each other.
  • the sensor nodes 10 and 100 and the gateways 200-1 and 200-2 are connected to each other so as to enable wireless communication with N: 1, and the gateways 200-1 and 200-2 and the servers ( 300-1 and 300-2 are connected to communicate with N: N through a wired backbone network.
  • the sensor node is divided into an A type sensor node 10 and a B type sensor node 100.
  • the A type sensor node 10 is a sensor node that generates sensor values (eg, environmental data) using the built-in sensor and transmits them to the gateways 200-1 and 200-2 periodically or by request.
  • the B type sensor node 100 has a photographing function in addition to the function of the A type sensor node 10, and may further perform a function of transmitting the photographed image to the gateways 200-1 and 200-2.
  • the B type sensor node 100 includes or is connected to the camera module 150, as shown in FIG.
  • a plurality of B type sensor nodes 100 may be connected to one gateway 200-1 and 200-2. Furthermore, a plurality of A type sensor nodes 10 may be connected to one gateway 200-1, 200-2.
  • the camera module 150 captures an analog instrument (eg, gas pressure gauge) of the gas facility, and the B type sensor node 100 transmits the image generated by the camera module 150 to the gateways 200-1 and 200-. 2) to send.
  • an analog instrument eg, gas pressure gauge
  • the gateways 200-1 and 200-2 collect sensor values received from the A / B type sensor nodes 10 and 100, and analyze and measure an image when an image is received from the B type sensor node 100. Extract the value.
  • the gauge value of the analog measuring instrument is digitized by the gateways 200-1 and 200-2, and this function may be implemented to be performed by the servers 300-1 and 300-2 to be described later.
  • the gateways 200-1 and 200-2 transmit sensor values and measured values to the servers 300-1 and 300-2, and the servers 300-1 and 300-2 transmit gateways 200-1 and 300-2.
  • the servers 300-1 and 300-2 analyze the sensor values and the measured values stored in the DB to check / manage the safety of the gas facility in real time.
  • FIG. 3 is a flowchart illustrating an operation process of the B type sensor node 100 illustrated in FIG. 1.
  • the B type sensor node 100 first establishes a wireless communication connection with the gateways 200-1 and 200-2 (S410).
  • the B type sensor node 100 performs sensing to generate / save sensor values (S420, S430), and the camera module 150 included / connected to the B type sensor node 100 captures an analog measuring instrument to perform analog sensing.
  • An image of the measuring instrument is generated (S440), and the B type sensor node 100 stores the generated image (S450).
  • the B type sensor node 100 transmits the sensor value stored in step S430 and the image stored in step S450 to the gateway 200-1,. 200-2) (S460).
  • Data is processed before transmission.
  • Data processing is a task to conform to the message protocol format specified by the object identifier (OID) address system for system operation. Both sensor values and images are processed.
  • OID object identifier
  • FIG. 4 is a flowchart illustrating an operation process of the gateways 200-1 and 200-2 shown in FIG. 1.
  • the gateways 200-1 and 200-2 first establish a wireless communication connection with the sensor nodes 10 and 100 (S510), and receive a sensor value and an image (S520). .
  • the gateways 200-1 and 200-2 compare the sample images and extract a measurement value (S530).
  • Sample images are images taken in advance of analog instruments indicating different measurement values (eg, 10 bar, 20 bar, ... 70 bar).
  • the gateways 200-1 and 200-2 select a sample image (the sample image with the highest similarity) having the closest gauge position to the received image, and acquire measurement values tagged to the selected sample image. Extract measurement values from the analog instrument image.
  • the gateways 200-1 and 200-2 transmit the sensor values received in step S520 and the measured values extracted in step S530 to the servers 300-1 and 300-2 (S540).
  • FIG. 5 is a detailed block diagram of the B type sensor node 100 shown in FIG. 1.
  • the B type sensor node 100 includes a sensor 110, a controller 120, a communication module 130, and a camera interface 140.
  • the sensor 110 senses the surrounding environment, generates a sensor value, and transmits the generated sensor value to the controller 120.
  • the camera interface 140 is connected to communicate with the camera module 150, receives an analog meter image from the camera module 150, and transmits the image to the controller 120.
  • the communication module 130 is connected to communicate with the gateways 200-1 and 200-2.
  • the controller 120 transfers the sensor value received from the sensor 110 and the image received from the camera module 150 through the camera interface 140 to the gateways 200-1 and 200-2 through the communication module 130. send.
  • FIG. 6 is a detailed block diagram of the gateways 200-1 and 200-2 shown in FIG. 1. As illustrated in FIG. 6, the gateways 200-1 and 200-2 include a wireless communication unit 210, a processor 220, a network interface 230, and a storage unit 240.
  • the wireless communication unit 210 wirelessly connects the sensor nodes 10 and 100 to receive sensor values and images.
  • the network interface 230 accesses the network and is ultimately connected to communicate with the servers 300-1 and 300-2.
  • the processor 220 extracts the measurement value from the image received from the B type sensor node 100 through the wireless communication unit 210. Measurement value extraction is performed based on a comparison with sample images stored in the storage unit 240.
  • the processor 220 transmits the measured values extracted through the sample comparison to the servers 300-1 and 300-2 through the network interface 230 together with the sensor values received through the wireless communication unit 210.
  • FIG. 7 is a detailed block diagram of the servers 300-1 and 300-2 shown in FIG. 1.
  • the servers 300-1 and 300-2 include a network interface 310, a processor 320, and a DB 330 as shown in FIG. 7.
  • the network interface 310 accesses the network and is ultimately connected to communicate with the gateways 200-1 and 200-2.
  • the processor 320 stores the sensor values and measurement values received from the gateways 200-1 and 200-2 through the network interface 310 in the DB 330. In addition, the processor 320 analyzes sensor values and measured values stored in the DB 330 to check / manage the safety of the gas facility in real time.
  • the technical idea of the present invention can be applied to a computer-readable recording medium containing a computer program for performing the functions of the apparatus and method according to the present embodiment.
  • the technical idea according to various embodiments of the present disclosure may be implemented in the form of computer readable codes recorded on a computer readable recording medium.
  • the computer-readable recording medium can be any data storage device that can be read by a computer and can store data.
  • the computer-readable recording medium may be a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical disk, a hard disk drive, or the like.
  • the computer-readable code or program stored in the computer-readable recording medium may be transmitted through a network connected between the computers.

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Abstract

Provided are a method and system for safety management of gas facilities on the basis of analog measurement using image processing. In the safety management method according to the embodiment of the present invention, an analog instrument is photographed and a measurement value is extracted from a photographed image. Thereby, it is possible to collect measurement values measured by an analog instrument in a gas facility by using image processing, thereby increasing the utility of gas safety management.

Description

이미지 프로세싱을 이용한 아날로그 계측 기반 가스 설비의 안전 관리 방법 및 시스템Method and system for safety management of analog instrumentation based gas equipment using image processing

본 발명은 가스 안전 관리 기술에 관한 것으로, 더욱 상세하게는 아날로그 계측 기반의 가스 설비에 대한 안전 관리 방법 및 이를 적용한 시스템에 관한 것이다.The present invention relates to a gas safety management technology, and more particularly, to a safety management method for a gas facility based on analog measurement, and a system to which the same is applied.

가스 안전 관리의 가장 큰 이슈는 폭발 사고가 발생하기 않도록 사전에 예방하는 것이다. 이를 위해서 가스 설비에 대한 문제점을 미리 예측할 수 있는 지능적인 안전 관리의 필요성이 대두되어 왔다.The biggest issue of gas safety management is to prevent explosions in advance. To this end, the necessity of intelligent safety management that can predict the problems of gas facilities has been raised.

종래의 가스 안전 관리 시스템은 USN 기술을 기반으로 하여 단순한 센서 정보의 모니터링만을 이용하여 운용되었으며, 이는 가스 안전 관리의 위험요소를 명확히 파악하고 예측하는데 한계가 있다.The conventional gas safety management system was operated using only simple monitoring of sensor information based on USN technology, which has limitations in clearly identifying and predicting risk factors of gas safety management.

특히 아날로그 계측기의 경우 USN 기능이 없어 계측 값을 수집하는 것이 불가능하므로, 아날로그 계측기에 대한 정량화된 데이터 추출 방안이 필요하다.In particular, analog instruments do not have a USN function, so it is impossible to collect measurement values. Therefore, there is a need for a quantitative data extraction method for analog instruments.

본 발명은 상기와 같은 문제점을 해결하기 위하여 안출된 것으로서, 본 발명의 목적은, 이미지 프로세싱을 이용한 아날로그 계측 기반 가스 설비의 안전 관리 방법 및 시스템을 제공함에 있다.The present invention has been made to solve the above problems, and an object of the present invention is to provide a method and system for safety management of analog metrology-based gas equipment using image processing.

상기 목적을 달성하기 위한 본 발명의 일 실시예에 따른, 안전 관리 방법은, 아날로그 계측기를 촬영하는 단계; 및 촬영 영상으로부터 계측 값을 추출하는 단계;를 포함한다.Safety management method according to an embodiment of the present invention for achieving the above object, the step of photographing an analog instrument; And extracting a measurement value from the captured image.

그리고, 촬영 단계는, 카메라 모듈에 의해 수행되고, 추출 단계는, 카메라 모듈에 연결된 센서 노드로부터 촬영 영상을 수신한 게이트웨이에 의해 수행될 수 있다.The photographing step may be performed by a camera module, and the extracting step may be performed by a gateway that receives a photographed image from a sensor node connected to the camera module.

또한, 추출 단계는, 촬영 영상과 표본 영상들을 비교하여, 계측 값을 추출할 수 있다.In addition, in the extracting step, the measured value may be extracted by comparing the photographed image and the sample images.

그리고, 표본 영상들은, 각기 다른 특정 계측 값을 지시하는 아날로그 계측기를 촬영한 영상들일 수 있다.The sample images may be images of analog instruments indicating different specific measurement values.

또한, 본 발명의 실시예에 따른 안전 관리 방법은, 추출한 계측 값을 서버로 전송하는 단계;를 더 포함할 수 있다.In addition, the safety management method according to an embodiment of the present invention, the method may further include transmitting the extracted measurement value to the server.

그리고, 게이트웨이는, 각기 다른 다수의 센서 노드들로부터 촬영 영상들을 수신할 수 있다.In addition, the gateway may receive captured images from a plurality of different sensor nodes.

또한, 센서 노드는, 자신이 생성한 센서 값를 게이트웨이로 전송할 수 있다.In addition, the sensor node may transmit the sensor value generated by the sensor node to the gateway.

한편, 본 발명의 다른 실시예에 따른, 안전 관리 시스템은, 아날로그 계측기를 촬영하는 카메라 모듈; 및 카메라 모듈에 의해 생성된 촬영 영상으로부터 계측 값을 추출하는 게이트웨이;를 포함한다.On the other hand, a safety management system according to another embodiment of the present invention, the camera module for photographing an analog measuring instrument; And a gateway that extracts measurement values from the captured image generated by the camera module.

이상 설명한 바와 같이, 본 발명의 실시예들에 따르면, 이미지 프로세싱을 이용하여 가스 설비에서 아날로그 계측기에 의해 측정된 계측 값들을 수집할 수 있게 되어, 가스 안전 관리의 효용을 증대시킬 수 있다.As described above, according to embodiments of the present invention, it is possible to collect measurement values measured by an analog meter in a gas facility using image processing, thereby increasing the utility of gas safety management.

특히, 본 발명의 실시예들에 따르면, 인적 자원 없이도 실시간으로 가스 안전을 위한 아날로그 계측 값을 획득할 수 있어, 경제성과 신속성 모두를 확보할 수 있다.In particular, according to embodiments of the present invention, it is possible to obtain analog measurement values for gas safety in real time without human resources, thereby ensuring both economical and rapid.

도 1은 본 발명의 일 실시예에 따른 가스 설비 안전 관리 시스템을 도시한 도면,1 is a view showing a gas facility safety management system according to an embodiment of the present invention,

도 2는 B type 센서 노드의 연결 구조를 나타낸 도면,2 is a view showing a connection structure of a B type sensor node;

도 3은, 도 1에 도시된 B type 센서 노드의 동작 과정을 나타낸 흐름도,3 is a flowchart illustrating an operation process of a B type sensor node illustrated in FIG. 1;

도 4는, 도 1에 도시된 게이트웨이의 동작 과정을 나타낸 흐름도,4 is a flowchart illustrating an operation process of the gateway illustrated in FIG. 1;

도 5는, 도 1에 도시된 B type 센서 노드의 상세 블럭도,5 is a detailed block diagram of a B type sensor node shown in FIG. 1;

도 6은, 도 1에 도시된 게이트웨이의 상세 블럭도,6 is a detailed block diagram of the gateway shown in FIG. 1;

도 7은, 도 1에 도시된 서버의 상세 블럭도이다.FIG. 7 is a detailed block diagram of the server shown in FIG. 1.

이하에서는 도면을 참조하여 본 발명을 보다 상세하게 설명한다.Hereinafter, with reference to the drawings will be described the present invention in more detail.

도 1은 본 발명의 일 실시예에 따른 가스 설비 안전 관리 시스템을 도시한 도면이다.1 is a view showing a gas facility safety management system according to an embodiment of the present invention.

본 발명의 실시예에 따른 가스 설비 안전 관리 시스템은, 사물인터넷 기술을 활용하여, 장치 간 상호 운용성을 통한 지능적인 관리 및 제어를 통해 가스 설비의 안전을 관리한다.Gas facility safety management system according to an embodiment of the present invention, by using the Internet of Things technology, to manage the safety of the gas facility through intelligent management and control through interoperability between devices.

이를 위해, 본 발명의 실시예에 따른 가스 설비 안전 관리 시스템은, 가스로 인해 발생할 수 있는 위험을 방지하기 위해, 가스 설비 안전 관리에 필요한 정보들을 수집/처리하여 지능화된 가스 안전 점검을 수행한다.To this end, the gas facility safety management system according to an embodiment of the present invention, in order to prevent the risk that may occur due to the gas, collects / processes information necessary for gas facility safety management to perform an intelligent gas safety check.

이와 같은 기능을 수행하는 본 발명의 실시예에 따른 가스 설비 안전 관리 시스템은, 도 1에 도시된 바와 같이, 센서 노드들(10, 100), 게이트웨이들(200-1, 200-2) 및 서버들(300-1, 300-2)이 상호 통신 가능하도록 연결되어 구축된다.Gas facility safety management system according to an embodiment of the present invention that performs such a function, as shown in Figure 1, the sensor nodes (10, 100), gateways (200-1, 200-2) and server The fields 300-1 and 300-2 are connected to each other so as to communicate with each other.

구체적으로, 센서 노드들(10, 100)과 게이트웨이들(200-1, 200-2)은 N:1로 무선 통신 가능하도록 연결되고, 게이트웨이들(200-1, 200-2)과 서버들(300-1, 300-2)은 유선 백본 네트워크를 통해 N:N으로 통신 가능하도록 연결된다.In detail, the sensor nodes 10 and 100 and the gateways 200-1 and 200-2 are connected to each other so as to enable wireless communication with N: 1, and the gateways 200-1 and 200-2 and the servers ( 300-1 and 300-2 are connected to communicate with N: N through a wired backbone network.

센서 노드는 A type 센서 노드(10)와 B type 센서 노드(100)로 구분된다. A type 센서 노드(10)는 내장된 센서를 이용하여 센서 값(이를 테면, 환경 데이터)을 생성하여 게이트웨이(200-1, 200-2)에 주기적으로 또는 요청에 의해 전송하는 센서 노드이다.The sensor node is divided into an A type sensor node 10 and a B type sensor node 100. The A type sensor node 10 is a sensor node that generates sensor values (eg, environmental data) using the built-in sensor and transmits them to the gateways 200-1 and 200-2 periodically or by request.

B type 센서 노드(100)는 A type 센서 노드(10)의 기능 외에 촬영 기능을 구비하고 있어, 촬영된 영상을 게이트웨이(200-1, 200-2)에 전송하는 기능을 더 수행할 수 있다.The B type sensor node 100 has a photographing function in addition to the function of the A type sensor node 10, and may further perform a function of transmitting the photographed image to the gateways 200-1 and 200-2.

이를 위해, B type 센서 노드(100)는 도 2에 도시된 바와 같이, 카메라 모듈(150)을 포함 또는 그에 연결되어 있다.To this end, the B type sensor node 100 includes or is connected to the camera module 150, as shown in FIG.

한편, 도 2에 도시된 바와 같이, 하나의 게이트웨이(200-1, 200-2)에 다수의 B type 센서 노드들(100)이 연결될 수 있다. 더 나아가, 하나의 게이트웨이(200-1, 200-2)에 다수의 A type 센서 노드들(10)이 연결될 수 있음은 물론이다.Meanwhile, as shown in FIG. 2, a plurality of B type sensor nodes 100 may be connected to one gateway 200-1 and 200-2. Furthermore, a plurality of A type sensor nodes 10 may be connected to one gateway 200-1, 200-2.

카메라 모듈(150)은 가스 설비의 아날로그 계측기(이를 테면, 가스 압력 게이지)를 촬영하고, B type 센서 노드(100)는 카메라 모듈(150)에 의해 생성된 영상을 게이트웨이(200-1, 200-2)에 전송한다.The camera module 150 captures an analog instrument (eg, gas pressure gauge) of the gas facility, and the B type sensor node 100 transmits the image generated by the camera module 150 to the gateways 200-1 and 200-. 2) to send.

게이트웨이(200-1, 200-2)는 A/B type 센서 노드(10, 100)로부터 수신되는 센서 값들을 수집하고, B type 센서 노드(100)로부터 영상이 수신되는 경우 해당 영상을 분석하여 계측 값을 추출한다.The gateways 200-1 and 200-2 collect sensor values received from the A / B type sensor nodes 10 and 100, and analyze and measure an image when an image is received from the B type sensor node 100. Extract the value.

게이트웨이(200-1, 200-2)에 의해 아날로그 계측기의 게이지 값이 수치화되는데, 이 기능은 후술할 서버들(300-1, 300-2)에 의해 수행되도록 구현할 수도 있다.The gauge value of the analog measuring instrument is digitized by the gateways 200-1 and 200-2, and this function may be implemented to be performed by the servers 300-1 and 300-2 to be described later.

게이트웨이(200-1, 200-2)는 센서 값과 계측 값을 서버들(300-1, 300-2)에 전송하며, 서버들(300-1, 300-2)은 게이트웨이(200-1, 200-2)로부터 수신되는 값들을 DB화 한다.The gateways 200-1 and 200-2 transmit sensor values and measured values to the servers 300-1 and 300-2, and the servers 300-1 and 300-2 transmit gateways 200-1 and 300-2. DB received values received from 200-2).

그리고, 서버들(300-1, 300-2)은 DB에 저장된 센서 값과 계측 값을 분석하여, 가스 설비의 안전을 실시간으로 점검/관리한다.The servers 300-1 and 300-2 analyze the sensor values and the measured values stored in the DB to check / manage the safety of the gas facility in real time.

도 3은, 도 1에 도시된 B type 센서 노드(100)의 동작 과정을 나타낸 흐름도이다.3 is a flowchart illustrating an operation process of the B type sensor node 100 illustrated in FIG. 1.

도 3에 도시된 바와 같이, B type 센서 노드(100)는 먼저, 게이트웨이(200-1, 200-2)와 무선 통신 연결을 설정한다(S410).As shown in FIG. 3, the B type sensor node 100 first establishes a wireless communication connection with the gateways 200-1 and 200-2 (S410).

다음, B type 센서 노드(100)가 센싱을 수행하여 센서 값을 생성/저장하고(S420,S430), B type 센서 노드(100)에 포함/연결된 카메라 모듈(150)이 아날로그 계측기를 촬영하여 아날로그 계측기에 대한 영상을 생성하고(S440), B type 센서 노드(100)는 생성된 영상을 저장한다(S450).Next, the B type sensor node 100 performs sensing to generate / save sensor values (S420, S430), and the camera module 150 included / connected to the B type sensor node 100 captures an analog measuring instrument to perform analog sensing. An image of the measuring instrument is generated (S440), and the B type sensor node 100 stores the generated image (S450).

이후, 전송 주기가 도래하였거나 게이트웨이(200-1, 200-2)로부터 요청이 있는 경우, B type 센서 노드(100)는 S430단계에서 저장된 센서 값과 S450단계에서 저장된 영상을 게이트웨이(200-1, 200-2)에 전송한다(S460).Thereafter, when the transmission period arrives or when there is a request from the gateways 200-1 and 200-2, the B type sensor node 100 transmits the sensor value stored in step S430 and the image stored in step S450 to the gateway 200-1,. 200-2) (S460).

전송 전에 데이터는 가공되는데, 데이터 가공은 시스템 운용을 위한 OID(Object Identifier) 주소체계에 따라 정해진 메시지 프로토콜 형식에 맞추기 위한 작업이다. 센서 값과 영상 모두 가공 절차를 거친다.Data is processed before transmission. Data processing is a task to conform to the message protocol format specified by the object identifier (OID) address system for system operation. Both sensor values and images are processed.

도 4는, 도 1에 도시된 게이트웨이(200-1, 200-2)의 동작 과정을 나타낸 흐름도이다.4 is a flowchart illustrating an operation process of the gateways 200-1 and 200-2 shown in FIG. 1.

도 4에 도시된 바와 같이, 게이트웨이(200-1, 200-2)는 먼저, 센서 노드들(10, 100)과 무선 통신 연결을 설정하고(S510), 센서 값과 영상을 수신한다(S520).As shown in FIG. 4, the gateways 200-1 and 200-2 first establish a wireless communication connection with the sensor nodes 10 and 100 (S510), and receive a sensor value and an image (S520). .

수신된 영상에 대해, 게이트웨이(200-1, 200-2)는 표본 영상들을 비교하여, 계측 값을 추출한다(S530). 표본 영상들은, 각기 다른 계측 값(이를 테면, 10bar, 20bar, ... 70bar)을 지시하는 아날로그 계측기를 미리 촬영한 영상들이다.For the received image, the gateways 200-1 and 200-2 compare the sample images and extract a measurement value (S530). Sample images are images taken in advance of analog instruments indicating different measurement values (eg, 10 bar, 20 bar, ... 70 bar).

S530단계에서 게이트웨이(200-1, 200-2)는 수신 영상과 게이지 위치가 가장 유사한 표본 영상(유사도가 가장 높은 표본 영상)을 선정하고, 선정된 표본 영상에 태깅되어 있는 계측 값을 획득함으로써, 아날로그 계측기 영상으로부터 계측 값을 추출한다.In operation S530, the gateways 200-1 and 200-2 select a sample image (the sample image with the highest similarity) having the closest gauge position to the received image, and acquire measurement values tagged to the selected sample image. Extract measurement values from the analog instrument image.

다음, 게이트웨이(200-1, 200-2)는 S520단계에서 수신한 센서 값과 S530단계에서 추출한 계측 값을 서버(300-1, 300-2)에 전송한다(S540).Next, the gateways 200-1 and 200-2 transmit the sensor values received in step S520 and the measured values extracted in step S530 to the servers 300-1 and 300-2 (S540).

도 5는, 도 1에 도시된 B type 센서 노드(100)의 상세 블럭도이다. B type 센서 노드(100)는, 도 5에 도시된 바와 같이, 센서(110), 컨트롤러(120), 통신 모듈(130) 및 카메라 인터페이스(140)를 포함한다.FIG. 5 is a detailed block diagram of the B type sensor node 100 shown in FIG. 1. As shown in FIG. 5, the B type sensor node 100 includes a sensor 110, a controller 120, a communication module 130, and a camera interface 140.

센서(110)는 주변 환경을 센싱하여 센서 값을 생성하고, 생성된 센서 값을 컨트롤러(120)에 전달한다.The sensor 110 senses the surrounding environment, generates a sensor value, and transmits the generated sensor value to the controller 120.

카메라 인터페이스(140)는 카메라 모듈(150)에 통신 가능하도록 연결되어, 카메라 모듈(150)로부터 아날로그 계측기 영상을 전달 받아, 컨트롤러(120)에 전달한다.The camera interface 140 is connected to communicate with the camera module 150, receives an analog meter image from the camera module 150, and transmits the image to the controller 120.

통신 모듈(130)은 게이트웨이(200-1, 200-2)와 통신 가능하도록 연결된다. 컨트롤러(120)는 센서(110)로부터 수신한 센서 값과 카메라 인터페이스(140)를 통해 카메라 모듈(150)로부터 수신한 영상을 통신 모듈(130)을 통해 게이트웨이(200-1, 200-2)로 전송한다.The communication module 130 is connected to communicate with the gateways 200-1 and 200-2. The controller 120 transfers the sensor value received from the sensor 110 and the image received from the camera module 150 through the camera interface 140 to the gateways 200-1 and 200-2 through the communication module 130. send.

도 6은, 도 1에 도시된 게이트웨이(200-1, 200-2)의 상세 블럭도이다. 게이트웨이(200-1, 200-2)는, 도 6에 도시된 바와 같이, 무선 통신부(210), 프로세서(220), 네트워크 인터페이스(230) 및 저장부(240)를 포함한다.FIG. 6 is a detailed block diagram of the gateways 200-1 and 200-2 shown in FIG. 1. As illustrated in FIG. 6, the gateways 200-1 and 200-2 include a wireless communication unit 210, a processor 220, a network interface 230, and a storage unit 240.

무선 통신부(210)는 센서 노드들(10, 100)과 무선 통신 연결하여, 센서 값과 영상을 수신한다. 네트워크 인터페이스(230)는 네트워크에 액세스하여, 궁극적으로 서버(300-1, 300-2)에 통신 가능하도록 연결된다.The wireless communication unit 210 wirelessly connects the sensor nodes 10 and 100 to receive sensor values and images. The network interface 230 accesses the network and is ultimately connected to communicate with the servers 300-1 and 300-2.

프로세서(220)는 무선 통신부(210)를 통해 B type 센서 노드(100)로부터 수신한 영상으로부터 계측 값을 추출한다. 계측 값 추출은, 저장부(240)에 저장된 표본 영상들과의 비교를 기반으로 수행된다.The processor 220 extracts the measurement value from the image received from the B type sensor node 100 through the wireless communication unit 210. Measurement value extraction is performed based on a comparison with sample images stored in the storage unit 240.

또한, 프로세서(220)는 표본 비교를 통해 추출한 계측 값을 무선 통신부(210)를 통해 수신한 센서 값과 함께 네트워크 인터페이스(230)를 통해 서버(300-1, 300-2)로 전송한다.In addition, the processor 220 transmits the measured values extracted through the sample comparison to the servers 300-1 and 300-2 through the network interface 230 together with the sensor values received through the wireless communication unit 210.

도 7은, 도 1에 도시된 서버(300-1, 300-2)의 상세 블럭도이다. 서버(300-1, 300-2)는, 도 7에 도시된 바와 같이, 네트워크 인터페이스(310), 프로세서(320) 및 DB(330)를 포함한다.FIG. 7 is a detailed block diagram of the servers 300-1 and 300-2 shown in FIG. 1. The servers 300-1 and 300-2 include a network interface 310, a processor 320, and a DB 330 as shown in FIG. 7.

네트워크 인터페이스(310)는 네트워크에 액세스하여, 궁극적으로 게이트웨이(200-1, 200-2)에 통신 가능하도록 연결된다.The network interface 310 accesses the network and is ultimately connected to communicate with the gateways 200-1 and 200-2.

프로세서(320)는 네트워크 인터페이스(310)를 통해 게이트웨이(200-1, 200-2)로부터 수신되는 센서 값과 계측 값을 DB(330)에 저장한다. 또한, 프로세서(320)는 DB(330)에 저장된 센서 값과 계측 값을 분석하여, 가스 설비의 안전을 실시간으로 점검/관리한다.The processor 320 stores the sensor values and measurement values received from the gateways 200-1 and 200-2 through the network interface 310 in the DB 330. In addition, the processor 320 analyzes sensor values and measured values stored in the DB 330 to check / manage the safety of the gas facility in real time.

한편, 본 실시예에 따른 장치와 방법의 기능을 수행하게 하는 컴퓨터 프로그램을 수록한 컴퓨터로 읽을 수 있는 기록매체에도 본 발명의 기술적 사상이 적용될 수 있음은 물론이다. 또한, 본 발명의 다양한 실시예에 따른 기술적 사상은 컴퓨터로 읽을 수 있는 기록매체에 기록된 컴퓨터로 읽을 수 있는 코드 형태로 구현될 수도 있다. 컴퓨터로 읽을 수 있는 기록매체는 컴퓨터에 의해 읽을 수 있고 데이터를 저장할 수 있는 어떤 데이터 저장 장치이더라도 가능하다. 예를 들어, 컴퓨터로 읽을 수 있는 기록매체는 ROM, RAM, CD-ROM, 자기 테이프, 플로피 디스크, 광디스크, 하드 디스크 드라이브, 등이 될 수 있음은 물론이다. 또한, 컴퓨터로 읽을 수 있는 기록매체에 저장된 컴퓨터로 읽을 수 있는 코드 또는 프로그램은 컴퓨터간에 연결된 네트워크를 통해 전송될 수도 있다.On the other hand, the technical idea of the present invention can be applied to a computer-readable recording medium containing a computer program for performing the functions of the apparatus and method according to the present embodiment. In addition, the technical idea according to various embodiments of the present disclosure may be implemented in the form of computer readable codes recorded on a computer readable recording medium. The computer-readable recording medium can be any data storage device that can be read by a computer and can store data. For example, the computer-readable recording medium may be a ROM, a RAM, a CD-ROM, a magnetic tape, a floppy disk, an optical disk, a hard disk drive, or the like. In addition, the computer-readable code or program stored in the computer-readable recording medium may be transmitted through a network connected between the computers.

또한, 이상에서는 본 발명의 바람직한 실시예에 대하여 도시하고 설명하였지만, 본 발명은 상술한 특정의 실시예에 한정되지 아니하며, 청구범위에서 청구하는 본 발명의 요지를 벗어남이 없이 당해 발명이 속하는 기술분야에서 통상의 지식을 가진 자에 의해 다양한 변형실시가 가능한 것은 물론이고, 이러한 변형실시들은 본 발명의 기술적 사상이나 전망으로부터 개별적으로 이해 되어져서는 안될 것이다.In addition, although the preferred embodiment of the present invention has been shown and described above, the present invention is not limited to the specific embodiments described above, but the technical field to which the invention belongs without departing from the spirit of the invention claimed in the claims. Of course, various modifications can be made by those skilled in the art, and these modifications should not be individually understood from the technical spirit or the prospect of the present invention.

Claims (8)

아날로그 계측기를 촬영하는 단계;Photographing the analog instrument; 촬영 영상으로부터 계측 값을 추출하는 단계;를 포함하는 것을 특징으로 하는 안전 관리 방법.And extracting a measurement value from the photographed image. 청구항 1에 있어서,The method according to claim 1, 촬영 단계는,Shooting stage, 카메라 모듈에 의해 수행되고,Performed by the camera module, 추출 단계는,The extraction step is 카메라 모듈에 연결된 센서 노드로부터 촬영 영상을 수신한 게이트웨이에 의해 수행되는 것을 특징으로 하는 관리 방법.The management method characterized in that performed by the gateway receiving the captured image from the sensor node connected to the camera module. 청구항 2에 있어서,The method according to claim 2, 추출 단계는,The extraction step is 촬영 영상과 표본 영상들을 비교하여, 계측 값을 추출하는 것을 특징으로 하는 관리 방법.And a measurement value is extracted by comparing the captured image with the sample image. 청구항 3에 있어서,The method according to claim 3, 표본 영상들은,Sample images, 각기 다른 특정 계측 값을 지시하는 아날로그 계측기를 촬영한 영상들인 것을 특징으로 하는 관리 방법.Management method characterized in that the images taken by analog instruments indicating different specific measurement values. 청구항 2에 있어서,The method according to claim 2, 추출한 계측 값을 서버로 전송하는 단계;를 더 포함하는 것을 특징으로 하는 관리 방법.And transmitting the extracted measurement value to the server. 청구항 2에 있어서,The method according to claim 2, 게이트웨이는,The gateway is 각기 다른 다수의 센서 노드들로부터 촬영 영상들을 수신하는 것을 특징으로 하는 관리 방법.And receiving images from a plurality of different sensor nodes. 청구항 2에 있어서,The method according to claim 2, 센서 노드는,The sensor node is 자신이 생성한 센서 값를 게이트웨이로 전송하는 것을 특징으로 하는 관리 방법.The method of claim 1, wherein the sensor value is transmitted to the gateway. 아날로그 계측기를 촬영하는 카메라 모듈; 및A camera module for photographing an analog instrument; And 카메라 모듈에 의해 생성된 촬영 영상으로부터 계측 값을 추출하는 게이트웨이;를 포함하는 것을 특징으로 하는 안전 관리 시스템.And a gateway for extracting measurement values from the captured image generated by the camera module.
PCT/KR2016/010803 2016-09-27 2016-09-27 Method and system for safety management of gas facility on basis of analog measurement using image processing Ceased WO2018062578A1 (en)

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