WO2018093076A1 - Système de gestion d'équipement de mesure analogique, et procédé de gestion d'équipement de mesure analogique l'utilisant - Google Patents

Système de gestion d'équipement de mesure analogique, et procédé de gestion d'équipement de mesure analogique l'utilisant Download PDF

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WO2018093076A1
WO2018093076A1 PCT/KR2017/012299 KR2017012299W WO2018093076A1 WO 2018093076 A1 WO2018093076 A1 WO 2018093076A1 KR 2017012299 W KR2017012299 W KR 2017012299W WO 2018093076 A1 WO2018093076 A1 WO 2018093076A1
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analog
measurement
information
measured value
equipment
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PCT/KR2017/012299
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English (en)
Korean (ko)
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전인기
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브이피코리아 주식회사
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR 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—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/10—Services
    • 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
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/12—Messaging; Mailboxes; Announcements
    • H04W4/14—Short messaging services, e.g. short message services [SMS] or unstructured supplementary service data [USSD]

Definitions

  • the present invention relates to an analog measurement equipment management system, and an analog measurement equipment management method using the same.
  • measuring devices use analog equipment to measure pressure, flow, power, voltage and current.
  • the manager wants to check the data of the equipment, it is necessary to access the equipment and visually confirm it. If the measuring equipment is installed in an area where it is difficult for the manager or operator to access it or is dangerous (underground, decay area, high pressure and toxic gas generation area, etc.), the operator who manages the equipment cannot easily check the data. Difficulties in carrying out suitable work (maintenance, demolition, etc.) according to the condition of the installation.
  • the problem to be solved by the present invention is an analog measurement equipment management system that can detect the state of the equipment (heat pump, etc.) to which the analog type measurement device is attached, and can perform proper maintenance and repair, and an analog measurement equipment management method using the same. To provide.
  • a measuring instrument management system for managing the analog measuring equipment by using an image photographing analog measuring equipment provided at a remote location is an interface for receiving an image photographing an analog instrument panel, and the analog from the image. And a control unit for extracting measurement information including a number displayed on the instrument panel, a scale, and a position of display means for displaying the measurement value of the measurement target, and extracting the measurement value of the analog measurement equipment using the measurement information. .
  • the controller measures the analog measurement equipment by using the minimum angle corresponding to the minimum number displayed on the analog instrument panel, the total angle formed by the minimum scale corresponding to the maximum number, and the ratio of the measured angle formed by the minimum scale and the display means. The measured value of can be extracted.
  • the controller may include a scale having a first value close to the display means, a unit angle formed by the second scale, and a smaller value among a number corresponding to the first scale and a number corresponding to the second scale.
  • the measurement value of the analog measurement equipment may be extracted using the ratio of the measurement angles.
  • the controller may determine whether the measured value is within a normal range, and if the measured value is out of the normal range, transmit the measured value to an externally provided management server.
  • the image includes identification information attached to a predetermined position of the analog measurement equipment, and the identification information includes the type of the analog measurement equipment, the type of data measured by the analog measurement equipment, and the data measured by the analog measurement equipment.
  • the code may include at least one of letters, numbers, and colors corresponding to at least one piece of measurement data information among unit information of.
  • the controller may extract the identification information included in the image and the measurement data information corresponding to the identification information, and determine whether the measurement value is within a normal range stored in a memory in response to the measurement data information.
  • the identification information may further include a code corresponding to the normal range information of the data measured by the analog measurement equipment in response to the measurement data information, and the controller may correspond to the identification information and the identification information included in the image.
  • the measurement data information and the normal range information may be extracted, and it may be determined whether the measured value is within the normal range.
  • the control unit may store the measured value in a memory when a communication failure occurs, and transmit the measured value to the management server when the communication failure is recovered.
  • the image may include a color gamut displayed on the instrument panel, and the color gamut may be an area for displaying a caution or displaying a warning when the measured value falls within a predetermined range according to the position of the display means.
  • the controller may extract the color gamut included in the image and position information of the display means, and determine that the measured value is within a normal range when the display means is located outside the color gamut.
  • the measurement data information may include at least one of a plurality of types of data measured by the analog measurement device and unit information of a plurality of data measured by the analog measurement device when the analog measurement device includes a plurality of analog instrument panels.
  • the control unit may extract the measurement information from each analog instrument panel, and extract the measurement value of the analog measurement equipment by using the measurement information.
  • a method for managing an analog measuring equipment provided at a remote location by a measuring instrument management system comprising: receiving an image of an analog instrument panel, numbers, scales, and the like displayed on the analog instrument panel from the image; Extracting measurement information including a position of display means for displaying a measurement value of a measurement target; extracting a measurement value of the analog measurement equipment using the measurement information; and whether the measurement value is within a normal range Determining.
  • the extracting of the measured value may be performed using a minimum scale corresponding to the minimum number displayed on the instrument panel, a total angle formed by the minimum scale corresponding to the maximum number, and a ratio of the measured angle formed by the minimum scale and the display means. Measurement values of the analog measurement equipment may be extracted.
  • the extracting of the measured value may include a scale having a smaller value between a first scale close to the display means, a unit angle formed by a second scale, and a number corresponding to the first scale and a number corresponding to the second scale. And a measurement value of the analog measurement equipment may be extracted using a ratio of the measurement angle formed by the display means.
  • the method may further include transmitting the measured value to a management server provided outside when the measured value is out of a normal range.
  • the transmitting of the measured value may include storing the measured value in a memory when a communication failure occurs, and transmitting the measured value to the management server when the communication failure is recovered.
  • the determining of whether the measured value is within a normal range includes extracting identification information attached to a predetermined position of the analog measurement equipment, and measurement data information corresponding to the identification information, and previously stored in response to the measurement data information. And determining whether it is within a normal range, wherein the identification information includes at least one of a type of the analog measuring equipment, a type of data measured by the analog measuring equipment, and unit information of data measured by the analog measuring equipment. At least one code among letters, numbers, and colors corresponding to the measurement data information may be included.
  • the determining of whether the measured value is within the normal range includes extracting the color gamut included in the image and the position information of the display means, and when the display means is located outside the color gamut, the measured value is within the normal range. And determining that the measured value falls within a predetermined range according to the position of the display means.
  • the color area may be an area for displaying a warning or displaying a warning.
  • the analog measurement equipment includes a plurality of analog instrument panel, extracting the measurement information displayed on the respective instrument panel from the image, respectively, and extracting the measurement value of the analog measurement equipment using the measurement information, respectively It may include a step.
  • the warning may be transmitted to a manager or the like when the gauge is out of the normal operating range, thereby maintaining / maintaining the facility at a suitable time. This prevents the abnormal operation of the equipment and can improve the service life and reliability of the equipment.
  • FIG. 1 is a block diagram of an analog measurement equipment management system according to an embodiment of the present invention.
  • FIG. 2 is a detailed configuration diagram of a data processing apparatus according to an embodiment of the present invention.
  • FIG. 3 is a flowchart of a method for managing analog measurement equipment by an analog measurement equipment management system according to an embodiment of the present invention.
  • FIG. 4 is a diagram for describing a method of calculating a measurement value from an image photographing a fan-shaped analog measurement device by the analog measurement device management system according to an exemplary embodiment of the present invention.
  • FIG. 5 is a diagram for describing a method of calculating a measurement value from an image photographing a fan-shaped analog measurement device by an analog measurement device management system according to another exemplary embodiment of the present invention.
  • FIG. 6 is a diagram for describing a method of calculating a measurement value from an image of a rod-type analog measurement equipment by the analog measurement equipment management system according to an exemplary embodiment of the present invention.
  • FIG. 7 is a diagram for describing a method of calculating a measurement value from an image of a rod-type analog measurement equipment by an analog measurement equipment management system according to another exemplary embodiment.
  • FIG. 8 is a diagram for describing a method of extracting a measurement state from an image photographing analog measurement equipment by an analog measurement equipment management system according to another embodiment of the present invention.
  • FIG. 1 is a block diagram of an analog measurement equipment management system according to an embodiment of the present invention.
  • analog measurement equipment for measuring and indicating various types of information such as flow rate, pressure, power, voltage, and current.
  • the analog measurement equipment management system 100 captures an image of the instrument panel of the analog measurement equipment 2 using the camera 110 installed around the analog measurement equipment 2.
  • the collected value may be analyzed using the data processing device 130 to calculate the measured value indicated by the measuring needle or gauge of the analog measuring device 2.
  • an analog measurement equipment management system 100 includes a camera 110 for photographing an instrument panel of at least one analog measurement equipment 2 provided at a remote location, and a camera 110. And a data processing device 130 capable of receiving a captured image, analyzing the image, and informing a manager or an operator of status information of the measuring instrument including the measured value of the analog measuring equipment calculated using the image. .
  • Analog measuring equipment management system 100 for converting the analog measuring equipment instruction value using the camera according to the present invention by converting the digital information to take the instrument panel of the analog measuring equipment (2) with the camera 110, and captures the captured image
  • the information on the indication value of the measurement data displayed on the instrument panel of the analog measuring equipment 2 can be calculated.
  • the camera 110 is an apparatus for acquiring an image of photographing gauge information by photographing a display value displayed on a scale of the analog measurement equipment 2.
  • the analog measuring equipment (2) includes a transparent window to protect the instrument panel to check the scale of the gauge from the outside, when the camera 110 photographs the instrument panel of the analog measuring equipment (2) due to natural light or lighting, The image may be excessively high due to the transparent window. Therefore, the camera 110 according to the present embodiment may include a filter unit (not shown). When the filter unit receives an image having an illuminance of more than a reference value from the camera 110, the filter unit attenuates the corresponding light to recognize the measurement information.
  • the data processing device 130 receives an image captured by the camera 110.
  • the data processing device 130 may check the measurement state of the analog measurement equipment 2 by analyzing the received image.
  • the measurement state may include all of normal operation of the analog measurement equipment 2, specific measurement values in the case of normal operation, whether the specific measurement values are within a normal range, and the like.
  • Degree 2 is a detailed configuration diagram of a data processing apparatus according to an embodiment of the present invention.
  • the data processing device 130 may include an interface 131, a communication unit 132, a control unit 133, a memory unit 134, a power supply unit 135, a display 136, and a speaker 137. It may include.
  • the interface 131 receives a digital image.
  • the data processing device 130 may be physically connected to the camera 110 to receive an image.
  • the communication unit 132 may transmit a measurement state including the measurement value calculated by the control unit 133 to the management server 200 located at a remote location.
  • the controller 133 may extract the measurement state including the measured value of the analog measurement equipment 2 by analyzing the image.
  • the controller 133 may be configured to perform analog measurement equipment using at least one image processing technique such as image edge detection, pattern recognition, or template matching from the digital image received from the interface 131. 2)
  • image processing technique such as image edge detection, pattern recognition, or template matching from the digital image received from the interface 131.
  • the measurement information including the number displayed on the instrument cluster, the scale, and the position of the display means can be obtained.
  • the display means means a configuration for displaying data values of an object to be measured, such as an instrument needle, a mercury column, and a gauge weight.
  • the control unit 133 is a ratio of the total angle formed by the scale corresponding to the minimum number and the scale corresponding to the maximum number, and the ratio of the measured angle formed by the scale and the display means corresponding to the minimum number. You can calculate the measured value using.
  • control unit 133 extracts two scales close to the display means, and measures the measured value using the angle formed by the scale and the display means having the smaller value among the angles formed by the two scales and the number corresponding to the two scales. It can also be extracted.
  • controller 133 may control to output an alarm sound indicating that the state of the measurement target is abnormal when the measured value is out of a predetermined range.
  • Analog measuring equipment (2) is a device that can measure a variety of objects, such as a flow meter, a pressure gauge, a power meter, and a voltmeter. It is difficult to convert the measured values into digital data, which makes it difficult for the administrator to check the condition of the equipment and perform proper management.
  • the analog measurement equipment 2 may include identification information for identifying each analog measurement equipment 2 attached to a predetermined position.
  • the identification information is a character corresponding to at least one measurement data information among the type of analog measuring equipment 2, the type of data measured by the analog measuring equipment 2, and the unit information of the data measured by the analog measuring equipment 2. It may consist of a code including at least one of a number, a number, and a color.
  • the controller 133 extracts the identification information included in the image and the measurement data information corresponding to the identification information from the image, and determines whether the measured value is within the normal range by using the normal range information stored in the memory corresponding to the measured data information. Can be.
  • the normal range information is stored in the memory unit 134 corresponding to the measurement data information.
  • the present invention is not limited thereto.
  • the identification information may further include a code corresponding to the normal range information of the measurement data
  • the controller 133 may include the identification information included in the image and the measurement data information corresponding to the identification information.
  • the normal range information may be extracted to determine whether the measured value is within the normal range.
  • the analog measurement equipment 2 may include a plurality of analog instrument panels for measuring and displaying a plurality of data.
  • the identification information indicates measurement data information including at least one of a plurality of types of data measured by the analog measurement equipment 2 and unit information of the plurality of data measured by the analog measurement equipment 2. It can consist of code for
  • controller 133 may extract measurement information from each analog instrument panel included in the image, and extract the measurement value of the analog measurement equipment 2 using the measurement information.
  • controller 133 may be configured to perform analog measurement equipment (when the measured measured value does not change for a predetermined time or more, or when the calculated measured value is a minimum value of the scale (for example, 0) and there is no change for a predetermined time or longer). It can also be controlled to output an alarm sound indicating a possible failure of 2).
  • the instrument panel of the analog measuring equipment 2 may include a color gamut for displaying a caution or displaying a warning when the measured value falls within a predetermined range according to the position of the display means.
  • the controller 133 may extract the location of the color gamut and the display means from the image, and control to output an alarm sound indicating that the state of the measurement target is abnormal when the display means is included in the color gamut.
  • the controller 133 may control to output an alarm sound through the separate speaker 137.
  • control unit 133 transmits a message informing that it is abnormal to the management server 200 through the communication unit 132, the management server 200 may transmit a message indicating the abnormality to the personal terminal of the manager or worker. It can also be controlled.
  • control unit 133 may store the measurement value information in the memory unit 134, and when the communication failure is recovered later, the measurement value information stored in the memory unit 134 to the management server 200. Can be transmitted.
  • the controller 133 may perform a firmware upgrade through the communication unit 132, and may control a program suitable for the type of the analog measurement equipment 2 to operate through an external setting, and may be controlled through wireless communication. It can be operated actively according to environment change by receiving parameter value.
  • the memory unit 134 may store a digital image input to the data processing apparatus 130, and may store an analysis program for analyzing the digital image.
  • the normal range information of the measurement data can be stored in advance corresponding to the type of the analog measurement equipment 2.
  • the power supply unit 135 may supply power for driving the communication unit 132, the control unit 133, the memory unit 134, the display 136, and the speaker 137.
  • the display 136 may display a measurement state including the measurement value calculated by the controller 133.
  • the speaker 137 may output an alarm sound when the measurement value calculated by the controller 133 is outside the preset measurement range.
  • the data processing apparatus 130 is physically connected to the camera 110 to receive an image as an example, but the present invention is not limited thereto, and the communication unit 132 includes a communication module. The digital image transmitted from the camera 110 may be received.
  • the data processing device 130 may be used in various devices such as an industrial computer installed in various facilities, a PC, a notebook computer, and the like.
  • the remote communication server 132 and the remote control server 200 and the data processing unit 130 are connected to the wireless long-distance communication to transmit data, it is also possible to comprehensively analyze the analog measurement equipment (2).
  • FIG. 3 is a flowchart of a method of managing an analog measurement equipment by an instrument management system according to an embodiment of the present invention.
  • the analog measurement equipment management system 100 receives an image of photographing the instrument panel of the analog measurement equipment 2 transmitted from a camera installed around the analog measurement equipment 2 (S110).
  • the camera 110 is a device that captures a display value displayed on the scale of the analog measuring equipment 2 and acquires an image obtained by capturing the gauge information.
  • the analog measuring equipment (2) includes a transparent window to protect the instrument panel to check the scale of the gauge from the outside, when the camera 110 photographs the instrument panel of the analog measuring equipment (2) due to natural light or lighting, The image may be excessively high due to the transparent window. Therefore, in the present embodiment, the camera 110 may include a filter unit (not shown). When the filter unit receives an image having an illuminance of more than a reference value from the camera 110, the filter unit attenuates the corresponding light to recognize the measurement information.
  • the analog measurement equipment management system 100 detects measurement information including the scale, the number, and the position of the display means of the analog measurement equipment from the captured image (S120).
  • the display means means a configuration for displaying data values of an object to be measured, such as an instrument needle, a mercury column, and a gauge weight.
  • the analog metrology equipment management system 100 may store various types of analog metrology equipment previously stored using at least one image processing technique of image edge detection, pattern recognition, and template matching from an image.
  • the form of the instrument panel of (2) can be extracted, and the unit information displayed on the instrument panel can be extracted to obtain the type information of the data measured by the analog measuring equipment 2.
  • the analog metrology equipment management system 100 may display a number displayed on the instrument panel using at least one image processing technique of image edge detection, pattern recognition, or template matching from the captured image, Measurement information including the scale and the position of the display means can be obtained.
  • the analog measurement equipment management system 100 calculates a measurement value corresponding to the position of the needle of the instrument panel using the measurement information extracted in step S120 (S130).
  • the analog measuring equipment management system 100 is formed by the scale corresponding to the minimum number displayed on the instrument panel of the analog measuring equipment 2 and the overall angle formed by the scale corresponding to the maximum number, and the scale and display means corresponding to the minimum number.
  • the measured value can be calculated using the ratio of the measured angles.
  • the analog measuring equipment management system 100 extracts two scales close to the display means, and uses the angle formed by the scale and the display means having a smaller value among the angles formed by the two scales and the number corresponding to the two scales. Measurement values can be extracted.
  • the analog measuring equipment management system 100 calculates the measured value, an error according to the angle between the camera and the instrument panel of the analog instrument 2, the distance between the gauge scale, and the refractive index of the protection device of the instrument panel made of glass and plastic By reducing the measured value and outputting the corrected measured value, the accuracy of the measured value can be further increased.
  • the analog measurement equipment management system 100 may notify that the state of the measurement target is abnormal when the measurement value has a value outside a preset predetermined range.
  • Analog measuring equipment (2) is a device that can measure a variety of objects, such as a flow meter, a pressure gauge, a power meter, and a voltmeter. It is difficult to convert the measured values into digital data, which makes it difficult for the administrator to check the condition of the equipment and perform proper management.
  • the analog measurement equipment 2 may include identification information for identifying each analog measurement equipment 2 attached to a predetermined position. .
  • the identification information is a character corresponding to at least one measurement data information among the type of analog measuring equipment 2, the type of data measured by the analog measuring equipment 2, and the unit information of the data measured by the analog measuring equipment 2. It may consist of a code including at least one of a number, a number, and a color.
  • the analog measurement equipment management system 100 extracts the identification information included in the image and the measurement data information corresponding to the identification information from the image, and the measured value is within the normal range using the normal range information stored in the memory in response to the measurement data information. You can determine if it is within.
  • the identification information may further include a code corresponding to a normal range of measurement data indicating that the facility is operating normally.
  • the analog measurement equipment management system 100 may extract identification information included in an image, extract measurement data information and normal range information corresponding thereto, and determine whether the measured value is within the normal range.
  • the analog measurement equipment management system 100 outputs the calculated measurement value (S140).
  • Analog measurement equipment management system 100 outputs a numerical measurement value through the display 136 included therein, and if the measurement value is out of a predetermined predetermined range to turn the speaker 137 You can also output the alarm sound.
  • the analog measurement equipment management system 100 may transmit the measurement value calculated through the communication unit 132 to a management server located at a remote location.
  • FIG. 4 is a diagram for describing a method of calculating a measurement value from an image photographing a fan-shaped analog measurement equipment by the analog measurement equipment management system according to an exemplary embodiment of the present invention.
  • Analog measurement equipment management system 100 extracts the numerical area by using the image boundary detection and pattern recognition method from the image photographing the instrument panel of the analog measurement equipment (2) Extracts the coordinate information of the scale corresponding to and the corresponding value of the number.
  • the analog measuring equipment management system 100 calculates the extracted two or more numerical interval values, and calculates the angle corresponding to the scale and the scale corresponding to each number.
  • the analog measuring equipment management system 100 uses the coordinate information of the gauge needle of the analog measuring equipment 2, the gauge needle, and the gauge by using the coordinate information of the scale corresponding to the number having a smaller value among two numbers close to the gauge needle. The angle formed by the scale corresponding to the smaller of the two numbers close to the needle is calculated.
  • the analog measurement equipment management system 100 detects a numeric region corresponding to a scale close to the gauge needle of the analog measurement equipment 2, and extracts values 20 and 30. The difference between the extracted numeric values is calculated to obtain a numeric interval value of 10.
  • the analog measuring equipment management system 100 uses the coordinate information of the scale corresponding to the area 20 and 30 and the coordinate information of the movement axis of the gauge needle to form an angle between the scale corresponding to the number 20 and the scale corresponding to the number 30. (A) is calculated.
  • the analog measuring equipment management system 100 determines the angle b between the scale corresponding to 20, which is the smaller of two numbers close to the gauge needle, and the angle between the gauge needles, and the coordinate information corresponding to the number 20. Calculate using
  • the analog measurement equipment management system 100 may calculate a measurement value corresponding to the position of the gauge needle by using Equation 1 below.
  • FIG. 5 is a diagram for describing a method of calculating a measurement value from an image of a fan-shaped analog measurement device by the analog measurement device management system according to another exemplary embodiment of the present invention.
  • Analog measurement equipment management system 100 specifies the numerical area by using the image boundary detection and pattern recognition method from the image photographing the instrument panel of the analog measurement equipment (2) Extract the coordinates of and the corresponding value of a number.
  • the analog measuring equipment management system 100 extracts the minimum numeric value and the maximum numeric value and the coordinate information of the scale corresponding to each number among the extracted numerical domains, and uses the extracted coordinate information of the minimum scale value and the maximum numeric value. Calculate the scale corresponding to and the angle between the scales.
  • the analog metrology equipment management system 100 calculates the angle formed by the gauge needle of the analog metrology equipment 2 and the scale corresponding to the minimum number.
  • the analog measurement equipment management system 100 extracts numeric values 0 and 100 which are the minimum and maximum numbers among the numbers of the analog measurement equipment 2.
  • the total angle c is extracted using coordinate information of the scale corresponding to 0 and 100 and coordinate information of the movement axis of the gauge needle.
  • the analog measuring equipment management system 100 calculates an angle d between the gauge needle and the scale corresponding to the minimum number 0 using the coordinate information of the gauge needle and the coordinate information corresponding to the number 0.
  • the analog measurement equipment management system 100 may calculate a measurement value corresponding to the measuring instrument needle by using Equation 2 below.
  • FIG. 6 is a diagram for describing a method of calculating a measurement value from an image of a rod-type analog measurement equipment by the analog measurement equipment management system according to an exemplary embodiment of the present invention.
  • Analog measurement equipment management system 100 specifies the numerical area by using the image boundary detection and pattern recognition method from the image photographing the instrument panel of the analog measurement equipment (2) Extract the coordinates of and the corresponding value of a number.
  • the analog instrumentation management system 100 extracts the minimum numeric value and the maximum numeric value among the extracted numeric regions, and calculates the total length of the scale and the Y-axis direction corresponding to the scale and scale corresponding to the minimum and maximum numeric values.
  • the analog measuring equipment management system 100 calculates the length in the Y-axis direction formed by the gauge and the scale corresponding to the minimum number of the analog measuring equipment 2.
  • the analog measurement equipment management system 100 extracts 0 and 90, which are the minimum number and the maximum number, among the numerical areas of the analog measurement equipment 2.
  • the total height e is extracted using the Y-axis coordinate information corresponding to 0 and 90.
  • the analog metrology equipment management system 100 calculates the length f in the Y-axis direction between the minimum number and the gauge by using the Y-axis coordinate information of the scale corresponding to the gauge and the minimum number 0.
  • the analog measurement equipment management system 100 may calculate a measurement value corresponding to the gauge of the analog measurement device by using Equation 3 below.
  • FIG. 7 is a diagram for describing a method of calculating a measurement value from an image of a rod-type analog measurement equipment by an analog measurement equipment management system according to another exemplary embodiment.
  • Analog measurement equipment management system 100 specifies the numerical area by using the image boundary detection and pattern recognition method from the image photographing the instrument panel of the analog measurement equipment (2) Extract the coordinates of and the corresponding value of a number.
  • the analog instrumentation management system 100 extracts each numerical value from two numerical regions close to the gauge and calculates a difference value of the extracted numerical value. In addition, the length (g) in the Y-axis direction formed by the scale corresponding to the two numbers is calculated.
  • the analog metrology equipment management system 100 calculates the length h in the Y-axis direction formed by the gauge of the analog metrology equipment 2 and a scale corresponding to the smaller number of the numbers close to the gauge.
  • the analog metrology equipment management system 100 detects a numeric region close to the gauge of the analog metrology equipment 2 and extracts the values 40 and 50. The difference between the extracted numeric values is calculated to obtain a numeric interval value of 10.
  • the analog measurement equipment management system 100 may calculate a measurement value corresponding to the gauge of the analog measurement equipment 2 by using Equation 4 below.
  • FIG. 8 is a diagram for describing a method of extracting a measurement state from an image photographing analog measurement equipment by an analog measurement equipment management system according to another embodiment of the present invention.
  • the analog measuring equipment 2 may include a color area for displaying a caution or displaying a warning when the measurement result falls within a certain range according to the position of the gauge needle corresponding to the instrument panel.
  • the color gamut indicating attention may be displayed in yellow, and the color gamut indicating warning may be displayed in red.
  • the analog measurement equipment management system 100 detects a color gamut indicating attention and a color gamut displaying a warning through color extraction from an image.
  • the position of the gauge needle of the analog measurement equipment 2 is within the color gamut, and if it is within the color gamut, it may be controlled to output a warning message or an alarm sound indicating that the state of the measurement object is abnormal.
  • the alarm sound can be set differently depending on whether the color is within the color gamut indicating the caution or the color gamut displaying the warning.
  • the present invention it is possible to solve the problems of time and safety that may occur in the existing equipment, and to maintain the equipment at a suitable time by sending a warning to a manager or the like when the gauge is out of the normal operating range. It can be repaired. This prevents the abnormal operation of the equipment and can improve the service life and reliability of the equipment.
  • the embodiments of the present invention described above are not only implemented through the apparatus and the method, but may be implemented through a program for realizing a function corresponding to the configuration of the embodiments of the present invention or a recording medium on which the program is recorded.

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Abstract

La présente invention concerne un système de gestion d'équipement de mesure servant à gérer un équipement de mesure analogique en utilisant une image photographiée de l'équipement de mesure analogique disposé dans un lieu distant, le système comportant: une interface servant à recevoir une image photographiée d'un panneau d'instrument analogique; et une unité de commande servant à extraire de l'image des informations de mesure comprenant des nombres et des échelles indiqués sur le panneau d'instrument analogique, et une position d'un moyen d'affichage servant à afficher des valeurs de mesure d'un objet à mesurer, et à délivrer les valeurs de mesure de l'équipement de mesure analogique en utilisant les informations de mesure.
PCT/KR2017/012299 2015-11-17 2017-11-02 Système de gestion d'équipement de mesure analogique, et procédé de gestion d'équipement de mesure analogique l'utilisant WO2018093076A1 (fr)

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KR20150161128 2015-11-17
KR1020160153573A KR101934571B1 (ko) 2015-11-17 2016-11-17 아날로그 계측 장비 관리 시스템, 그리고 이를 이용한 아날로그 계측 장비 관리 방법
KR10-2016-0153573 2016-11-17

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