WO2013146501A1 - 回転機械部品の検査方法および検査システム - Google Patents

回転機械部品の検査方法および検査システム Download PDF

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Publication number
WO2013146501A1
WO2013146501A1 PCT/JP2013/057981 JP2013057981W WO2013146501A1 WO 2013146501 A1 WO2013146501 A1 WO 2013146501A1 JP 2013057981 W JP2013057981 W JP 2013057981W WO 2013146501 A1 WO2013146501 A1 WO 2013146501A1
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WO
WIPO (PCT)
Prior art keywords
information terminal
portable information
data
rotating machine
data processing
Prior art date
Application number
PCT/JP2013/057981
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English (en)
French (fr)
Japanese (ja)
Inventor
高田声一
糸見正二
Original Assignee
Ntn株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ntn株式会社 filed Critical Ntn株式会社
Priority to US14/386,428 priority Critical patent/US20150039243A1/en
Priority to EP13767658.1A priority patent/EP2833114A4/en
Priority to IN8253DEN2014 priority patent/IN2014DN08253A/en
Priority to CN201380015599.XA priority patent/CN104169705A/zh
Publication of WO2013146501A1 publication Critical patent/WO2013146501A1/ja

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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/04—Bearings
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/04—Bearings
    • G01M13/045—Acoustic or vibration analysis
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00—Testing of machine parts
    • G01M13/02—Gearings; Transmission mechanisms
    • G01M13/028—Acoustic or vibration analysis
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00—Arrangements for software engineering
    • G06F8/60—Software deployment
    • G06F8/61—Installation

Definitions

  • the present invention relates to a rotating machine part that uses a portable information terminal such as a smartphone to inspect the operating state of a rotating machine part that is a machine part provided with rolling elements such as a rolling bearing and a constant velocity ball joint.
  • the present invention relates to a portable terminal usage inspection method / inspection system and its server.
  • Patent Documents 1 and 2 As a method for inspecting rotating machine parts such as bearings, there are methods of measuring vibrations and temperatures of rotating machine parts such as bearings and performing state display and inspection (for example, Patent Documents 1 and 2).
  • Patent Document 1 and Patent Document 2 require a dedicated display device and processing device for inspection, the device is large and expensive, and is generally used. There is a problem that it is difficult.
  • An object of the present invention is to easily inspect the operating state of rotating machine parts such as bearings by using a portable information terminal that is widely used and a dedicated sensor that supplies detection data to the portable information terminal.
  • An object is to provide a portable terminal use inspection method, inspection system, and server for rotating machine parts.
  • a rotating machine component portable terminal utilization inspection method is a method for inspecting a rotating machine component 1 using a general-purpose portable information terminal 2, Detecting the state of the rotating machine component 1 by the dedicated sensor 3; Supplying detection data about the detected situation from the dedicated sensor 3 to the portable information terminal 2; In the portable information terminal 2 or in the server 6 connected to the portable information terminal 2 via the communication network 7, data processing software 4 and 4A, specification data 5 for each model number of the rotating machine parts, Data processing of the detection data using Displaying the result of this data processing on the screen 21a of the portable information terminal 2.
  • rotary machine part means a machine part provided with rolling elements such as a rolling bearing and a constant velocity ball joint.
  • the general-purpose portable information terminal 2 is a smartphone, a tablet, or the like and does not necessarily have a telephone function, but can be connected to the server 6 via a wide-area communication line network 7 such as a telephone network or the Internet. And an information processing device having an OS (operation program) 9 that can download and install an application program.
  • the dedicated sensor 3 is, for example, a pickup for detecting vibration, a sensor for temperature detection, a cable 8 having a terminal 8a conforming to a standard such as micro USB (a USB standard that is a connection interface standard), a wireless A portable information terminal is connected via a LAN or the like.
  • the dedicated sensor 3 may be capable of inputting data to the portable information terminal 2 via a removable storage medium such as a memory chip or a USB memory.
  • the data processing software 4 is an application program that is executed on the OS 9 of the portable information terminal 2.
  • the model number of the rotating machine part 1 is also referred to as a name or a number, and is a number of a rotating machine part determined for each specification or a number determined for each rotating machine part.
  • the specification data 5 includes, for example, the number of balls, a ball diameter, inner ring / outer ring dimensions, and the like.
  • the general-purpose portable information terminal 2 is used as a means for reading the detection data of the dedicated sensor and as a means for processing the detection data or sending it to the server for processing, and as a means for displaying the processing result. . Therefore, only by preparing the dedicated sensor 3, the operation state of the rotating machine component 1 can be easily inspected using the portable information terminal 2 such as a smart phone or a tablet that is otherwise widely used.
  • the rotating machine component 1 such as a bearing input from the manual input means 22 of the portable information terminal 2 is used. You may use data, such as rotation speed.
  • the rotating machine part 1 is a machine part provided with rolling elements such as a rolling bearing and a constant velocity ball joint.
  • rolling elements such as a rolling bearing and a constant velocity ball joint.
  • the operating state since the operating state appears as vibration or temperature, the operating state can be detected by detecting either or both of vibration and temperature with a dedicated sensor.
  • a dedicated sensor In particular, in the case of a rolling bearing, abnormality determination, life determination, and the like can be appropriately performed by detecting vibration and temperature.
  • specification data for each model number of the data processing software and the rotating machine part is stored in at least one of the portable information terminal and the server, and the data processing is performed using these. Including data processing.
  • further Storing the data processing software 4 and data 5 of specifications for each model number of the rotating machine part in the server 6 accesses the server 6 to cause the portable information terminal 2 to download the data processing software 4 and the data 5 of the specification of the rotating machine part 1 to be inspected;
  • the portable information terminal 2 comprises installing the downloaded data processing software 4;
  • the data processing includes the data processing software 4 installed in the portable information terminal 2 using the downloaded specification data 5 for data processing.
  • the general-purpose portable information terminal 2 is used as data processing and result display means, and the data processing software 4 and the data 5 of the specifications of the rotating machine part 1 are downloaded from the server 6. Therefore, only by preparing the dedicated sensor 3, the operation state of the rotating machine component 1 can be easily inspected using the portable information terminal 2 such as a smart phone or a tablet that is otherwise widely used.
  • the data processing by the data processing software 4 in addition to the specification data 5 and the detection data supplied from the dedicated sensor 3, a bearing input from a manual input means (manual input means) 22 included in the portable information terminal 2 is used. Data such as the rotational speed of the rotating machine component 1 such as the above may be used.
  • the specification data 5 of the rolling bearing that is the rotating machine component 1 is hierarchically classified by bearing type in the server 6, and the specification data 5 downloaded to the portable information terminal 2 is You may make it preserve
  • FIG. 1 the specification data 5 of the rolling bearing that is the rotating machine component 1 is hierarchically classified by bearing type in the server 6, and the specification data 5 downloaded to the portable information terminal 2 is You may make it preserve
  • bearing specification data 5 is stored in the portable information terminal 2 classified by bearing type, the required bearing specification data 5 can be selected easily and quickly.
  • the hierarchical classification includes the classification of ball bearings, bearings, deep groove ball bearings of ball bearings, angular contact ball bearings, etc., roller bearings such as theta roller bearings, cylindrical roller bearings, needle roller bearings, Furthermore, there are bearing size, with seal, without seal, and seal type. In addition, you may classify a ball bearing, a taber bearing, etc. as the same hierarchy, without classifying into a ball bearing and a bearing.
  • the dedicated sensor 3 is sold with a dedicated number, and the downloading of the data processing software 4 by the portable information terminal 2 may be permitted when the dedicated number is designated.
  • the dedicated sensor 3 can be sold including the usage fee for the data processing software 4, and it is convenient to collect and pay for the data processing software 4.
  • the server 6 may charge each time the data processing software 4 is downloaded.
  • a charging method payment may be made by communication using a credit card or a prepaid card, or an invoice may be issued.
  • the charges for the data processing software 4 and the dedicated sensor 3 can be clearly distinguished.
  • the server 6 has processing result storage means 31 for storing a processing result obtained by data processing by the data processing software 4 by the portable information terminal 2, and the data processing software 4 stores the processing result.
  • a plurality of comparison results may be provided, and the plurality of processing results may be compared using the comparison function. By comparing a plurality of processing results, it is possible to perform more appropriate inspection and evaluation of the inspection results.
  • the data processing software 4 obtains numerical data as a processing result by the data processing, and the numerical data is processed over time even if the numerical data exceeds a threshold defined for each model number or is within the threshold.
  • the condition determined by the comparison of the results it may be determined as abnormal, and the determination result may be displayed on the screen 21a of the portable information terminal 2.
  • the condition determined by the comparison of the processing results over time even within the threshold means, for example, that the numerical data that is the processing result of a plurality of detection data is within the threshold.
  • the reference value is a value that can be determined as abnormal if the numerical data that is the processing result of the detection data exceeds once, but cannot be determined abnormal, but if it exceeds continuously or frequently as described above .
  • the data processing software 4 and the specification data 5 for each model number of the rotating machine part 1 are stored in a portable storage device 32, Connect this portable storage device 32 to the portable information terminal 2, The data processing software 4 stored in the portable storage device 32 and the specification data 5 for each model number of the rotating machine part 1 are input to the portable information terminal 2, The portable information terminal 2 installs the input data processing software 4, The data processing includes that the installed data processing software 4 of the portable information terminal 2 performs data processing using the input specification data 5.
  • the portable storage device 32 may be sold together with the dedicated sensor 3.
  • the data processing software 4 and the specification data 5 may be stored in the portable information terminal 2 and used.
  • the processing result processed by the data processing software 4 input to the portable information terminal 2 may be recorded in the portable information terminal 2 and compared with a plurality of processing results.
  • the data processing software 4 has a function of comparing a plurality of processing results. By comparing a plurality of processing results, it is possible to perform more appropriate inspection and evaluation of the inspection results.
  • the data processing software obtains numerical data as a processing result by the data processing, and even if the numerical data exceeds a threshold value determined for each model number or is within a threshold value, the processing result with time It may be determined that an abnormality occurs when the condition determined by the comparison is satisfied, and the determination result may be displayed on the screen of the portable information terminal. In this way, it is possible to easily know whether or not an abnormality has occurred in the rotating machine component by determining and displaying the abnormality of the detection data with the portable information terminal.
  • the server 6 processes the detection data received from the portable information terminal 2 by using the data 5 of the specification for each model number by the data processing software 4A, and sends the processing result back to the portable information terminal 2.
  • the portable information terminal 2 includes displaying the sent processing result on the screen 21a.
  • the server 6 since the detection data is processed by the server 6, it is necessary to transmit the detection data from the mobile terminal 2, but the server 6 has a significantly faster processing function than the mobile terminal 2. Since what is possessed is normal, the high-speed processing function can be used to process detection data at high speed, and advanced processing can be used to perform more detailed and accurate diagnosis.
  • the portable information terminal 2 may store the processing results processed by the data processing software 4A, and the portable information terminal 2 may compare a plurality of processing results.
  • numerical data is obtained as a processing result by the data processing, and the numerical data exceeds a threshold value determined for each model number, or is determined by comparison of processing results over time even if it is within the threshold value.
  • the condition is met, it may be determined as abnormal, and the determination result may be displayed on the screen of the portable information terminal 2.
  • the portable terminal use inspection system for rotating machine parts is a system for inspecting the rotating machine part 1, A dedicated sensor 3 for detecting the status of the rotating machine component 1; At least one general-purpose portable information terminal 2 to which detection data about the situation detected by the dedicated sensor 3 is supplied; A server 6 connected to the portable information terminal 2 via a communication network 7; The server 6 Data processing software 4 for causing the portable information terminal 2 to perform data processing for inspection, and a database 15 in which data 5 of specifications for each model number of the rotating machine component 1 is stored, and the portable information terminal 2 In response to the access from the mobile information terminal 2, the data processing software 4 and the data 5 of the specification of the rotating machine part 1 to be inspected are downloaded to the portable information terminal 2.
  • the data processing software 4 is installed in the portable information terminal 2 and the detection data detected by the dedicated sensor 3 and supplied to the portable information terminal 2 is downloaded to the portable information terminal 2. Data processing is performed using the data 5 of the specification, and the processing result is displayed on the screen 21a of the portable information terminal 2.
  • the operation state of the rotary machine component 1 such as a bearing is determined by using the portable information terminal 2 that is generally widespread and using the dedicated sensor 3 that is input thereto. It can be easily inspected.
  • a server 6 is a server 6 included in a mobile terminal use inspection system for a rotary machine part 1 that inspects the rotary machine part 1, wherein the mobile terminal use inspection system includes A dedicated sensor for detecting a situation, at least one general-purpose portable information terminal to which detection data about the situation detected by the dedicated sensor is supplied, and the server connected to the portable information terminal 2 by a communication network 6 and
  • the server 6 includes data processing software 4 that causes the portable information terminal 2 to perform data processing for inspection, and a database 15 that stores data 5 of specifications for each model number of the rotating machine component 1.
  • the data processing software 4 and the specification data 5 of the rotating machine part 1 to be inspected are downloaded to the portable information terminal 2.
  • the data processing software 4 is installed in the portable information terminal 2, and the detection data detected by the dedicated sensor 3 and supplied to the portable information terminal 2 is downloaded to the portable information terminal 2. Data processing is performed using the specification data 5, and the processing result is displayed on the screen 21a of the portable information terminal 2.
  • the rotation of a bearing or the like is performed by using a portable information terminal 2 that is generally spread and using a dedicated sensor 3 that is connected to or inputs detection data via a storage medium.
  • the operating state of the machine part 1 can be easily inspected.
  • a portable terminal use inspection system for rotating machine parts is a system for inspecting a rotating machine part 1, A dedicated sensor 3 for detecting the status of the rotating machine component 1; At least one portable information terminal 2 to which detection data about the situation detected by the dedicated sensor 3 is supplied; A server 6 connected to the portable information terminal 2 via a communication network 7; The portable information terminal 2 has detection data transmission means 35 for transmitting the input model number of the rotating machine component 1 and detection data detected by the dedicated sensor 3 to the server 6, The server 6 includes data processing software 4A for processing the detection data transmitted from the portable information terminal 2 using data 5 having specifications for each model number of the rotating machine parts, and the processing result thereof as the portable information terminal. Processing result return means 34 to send back to the container 2; The portable information terminal 2 has processing result display means 36 for displaying the returned processing result on the screen 21a.
  • the detection data can be processed at high speed by using the high-speed processing function of the server, and more detailed and accurate diagnosis can be performed by performing advanced processing.
  • This portable terminal use inspection method is a method for inspecting the rotating machine component 1, and uses a general-purpose portable information terminal 2 such as a smartphone and a dedicated sensor 3 connected to the portable information terminal 2.
  • the data processing software 4 and the specification data (specification data) 5 of the rotating machine part 1 to be inspected are downloaded from the server 6, and the detection data detected by the dedicated sensor 3 is processed in the portable information terminal 2. Is displayed on the screen 21a.
  • Rotating machine part 1 is a machine part provided with rolling elements such as a rolling bearing and a constant velocity ball joint.
  • the portable information terminal 2 is a smartphone, a tablet, or the like, and does not necessarily have a telephone function. However, the portable information terminal 2 can be connected to the server 6 via a wide-area communication network 7 such as a telephone network or the Internet, and An information processing apparatus having an OS (operation program) 9 that can download and install a program. In addition, a smart phone says what provided the telephone function among the definitions of said portable information terminal device 2.
  • the communication line network 7 is a line network capable of mobile communication.
  • the dedicated sensor 3 is, for example, a pickup for detecting vibration or a sensor for detecting temperature. In this example, a pickup for detecting vibration is used.
  • the dedicated sensor 3 is plugged and connected to the portable information terminal 2 by a cable 8 having a terminal 8a conforming to a standard such as micro USB (one of USB standards which is a connection interface standard).
  • the dedicated sensor 3 can be connected to the portable information terminal 2 via a wireless LAN or the like, and a removable storage medium (not shown) such as a memory chip or a USB memory is removable. Thus, there may be one capable of supplying data to the portable information terminal 2 via this storage medium.
  • the data processing software 4 is a program and data for causing the portable information terminal 2 to perform data processing for the inspection of the rotating machine component 1, and is executed on an OS (operation program) of the portable information terminal 2. It is an application program.
  • the data processing software 4 is downloaded from the server 6 to the portable information terminal 2 via the communication line network 7 and installed in the portable information terminal 2. For example, the data processing software 4 performs a frequency analysis of the bearing vibration data, detects the vibration level, compares it with a threshold value, and determines that the screen 21a of the portable information terminal 2 is abnormal if it exceeds the threshold value. And if it is less than the threshold value, it is determined that there is no abnormality and a display function indicating that there is no abnormality is displayed on the screen 21a.
  • the data processing software 4 determines that it is abnormal when the condition determined by the comparison of the processing results over time is within the threshold, and the determination result is stored in the mobile phone. You may make it display on the screen 21a of the information terminal device 2. FIG.
  • the data 5 of the specification of the rotating machine part 1 includes, for example, the number of balls, the ball diameter, the inner ring / outer ring dimensions, etc. when the rotating machine part is a rolling bearing.
  • the model number of the rotating machine part 1 is the number of the rotating machine part determined for each specification of the rotating machine part 1 or the number determined for each rotating machine part.
  • a number that is also referred to as a nominal name or a nominal number, or a manufacturing number is used.
  • the server 6 is an information processing apparatus that accumulates the data processing software 4 and the specification data 5 for each model number of the rotating machine component 1 via the communication network 7 and distributes the data by accessing the portable information terminal 2. . Even if the server 6 is a dedicated server used in the portable terminal use inspection method and inspection system for the rotating machine parts, it distributes various application programs and data unrelated to the portable terminal use inspection method for the rotating machine parts. It may have a function.
  • the server 6 includes a communication processing unit 11, a storage unit (not shown) that stores data processing software 4, and a database 15 about the specifications of the rotating machine component 1 such as a bearing.
  • the communication processing unit 11 includes a communication control unit 12, a data distribution unit 13, and a billing processing unit 14.
  • the communication processing unit 11 is a unit that establishes communication and performs various controls related to communication in response to access from the portable information terminal 2 via the communication line network 7.
  • the data distribution unit 13 is a unit that distributes the data processing software 4 and the data 5 of the specifications of the rotating machine component 1 in response to an access from the portable information terminal 21.
  • the data distribution means 13 may distribute the data processing software 4 only when the dedicated number assigned (assigned) to each dedicated sensor 3 is correctly input from the portable information terminal 2. .
  • the database 15 includes a database management system (not shown) that can be searched by access from the portable information terminal 2 and data storage means.
  • the search item 16 is the bearing of the bearing. It has names classified hierarchically. Search item 16 is classified into ball bearings and ball bearings, ball bearings, deep groove ball bearings, angular contact ball bearings, and other types of bearings, and roller bearings, tapered roller bearings and cylindrical roller bearings, etc. It is divided into the hierarchy classified into each type of bearing, the hierarchy classified according to size, the presence or absence of seals, and the hierarchy classified into seal types.
  • the search item 16 may have a plurality of types of hierarchies having different classification formats.
  • the specification data 5 for one model number which is the lowest layer is provided as a file.
  • the database 15 can extract a plurality of specification data 5 as folders of various levels.
  • the data distribution means 13 can distribute a plurality of specification data 5 extracted from the database 15 as a folder.
  • the charging processing means 14 is a means for charging each time the data processing software 4 is downloaded from the portable information terminal 2.
  • the charging method may be a form in which a request for payment by a credit card or a prepaid card is made before downloading the data processing software 4 and the downloading of the data processing software 4 is permitted when the payment is confirmed. It may be in the form of issuing.
  • the server 6 may include processing result storage means 31 for storing the processing result processed by the data processing software 4 by the portable information terminal 2 in addition to the above means.
  • the processing result storage means 31 is provided as a database, for example, and may be configured to store together with specification data 5 processed by the data processing software 4, data obtained from the dedicated sensor 3, identification data of the portable information terminal 2, and the like.
  • the data processing software 4 has a function of comparing a plurality of the processing results, a function of storing the processing results in the processing result storage means 31 of the server 6, and a search from the processing result storage means 31 under appropriate search conditions. Then, it may have a function of downloading stored processing results.
  • the plurality of processing results may be compared by the portable information terminal 2 using the function to be compared. By comparing a plurality of processing results, it is possible to perform more appropriate inspection and evaluation of the inspection results.
  • the portable information terminal 2 is a smartphone, a tablet, or the like.
  • the OS 9 that can download and install the application program, the screen display device 21, the manual input unit 22, the communication control unit 23, It has a connection interface 24 and input information storage means 25.
  • the screen display device 21 is a means for displaying an image on a screen 21a such as a liquid crystal.
  • the manual input means 22 is means for an operator to input manually (interface for input by the operator), and touches a hardware keyboard for inputting characters and numbers, or a finger or a touch pen on the screen 21a. It consists of a software keyboard that enables input.
  • the communication control unit 23 is a unit that performs various processes for communicating with the server 6 via the communication line network 7.
  • the connection interface 24 is an interface for connecting the portable information terminal 2 and other devices. In this example, the connection interface 24 is composed of the micro USB standard plug-in connection terminal, its input / output processing circuit, and software.
  • the input information storage means 25 is means for storing detection data of the dedicated sensor 3 input via the server 6, the manual input means 22, and the connection interface 24.
  • the data processing software 4 is inputted and installed so that it can be executed, and the specification data 5 downloaded from the server 6 is stored as a specification data group 26 consisting of hierarchical folders. Is done.
  • the detection data storage unit 27 of the input information storage unit 25 stores detection data obtained from the dedicated sensor 3, and the input data storage unit 28 stores various data input from the manual input unit 22, such as a bearing rotation speed. Is memorized.
  • the portable information terminal 2 is a smartphone, the dedicated sensor 3 is a pickup, and the rotating machine component 1 is a bearing.
  • the portable information terminal 2 accesses the server 6 and receives specification data (also referred to as “internal data”) of the bearing to be inspected and the data processing software 4 from the server 6.
  • the server 6 transmits to the portable information terminal 6 data on the specifications of the bearing to be inspected and data processing software 4 which is an application program necessary for the inspection.
  • the portable information terminal 2 calculates the frequency of each part (inner ring, outer ring, rolling element, cage) of the bearing from the rotational speed of the bearing input from the manual input means 22.
  • the data processing software 4 displays the guidance screen 21a for calculating the frequency of each part (inner ring, outer ring, rolling element, cage) of this bearing and inputting the rotational speed for the calculation.
  • the portable information terminal 2 receives bearing vibration data from the dedicated sensor 3, performs FFT analysis (frequency analysis) of the bearing vibration data by the data processing software 4, and determines the frequency of each part of the bearing from the FFT analysis result. Detect the vibration level. That is, vibration level numerical data is obtained. The detected vibration level is compared with each threshold value. If the detected vibration level exceeds the threshold value, it is determined that there is an abnormality, and the screen 21a is displayed to indicate that there is an abnormality in any part that exceeds the threshold value (any one of the aforementioned inner ring, outer ring, rolling element, and cage). When each detected vibration level does not exceed the threshold value, it is determined that there is no abnormality in the bearing, and the fact that there is no abnormality is displayed on the display screen 21a by characters, pictograms, symbols, or the like.
  • the condition determined by the comparison of the processing results over time even within the threshold means, for example, that the numerical data that is the processing result of a plurality of detection data is within the threshold.
  • the reference value is a value that can be determined as abnormal if the numerical data that is the processing result of the detection data exceeds once, but cannot be determined abnormal, but if it exceeds continuously or frequently as described above .
  • the general-purpose portable information terminal 2 is used as a data processing and result display means as described above. Download data 5 of the specifications of the rotating machine part 1. Therefore, only by preparing the dedicated sensor 3, the operation state of the rotating machine component 1 can be easily inspected using the portable information terminal 2 such as a smart phone or a tablet that is otherwise widely used.
  • the rotating machine component 1 is a rolling bearing, since the operating state of the rolling bearing appears as vibration or temperature, the operating state can be detected by detecting the vibration with the dedicated sensor 3. In particular, in the case of a rolling bearing, it is possible to detect data that can appropriately perform abnormality determination, life determination, and the like by detecting vibration.
  • the specification data 5 downloaded to the portable information terminal 2 is stored in the portable information terminal 2.
  • the file may be stored as the lowest layer file. In this case, it is not necessary to download the specification data 5 every time the bearing to be inspected is different, and the required bearing specification data 5 can be easily and quickly selected.
  • the dedicated sensor 3 is sold with a dedicated number, and the data processing software 4 by the portable information terminal 2 uses the dedicated number to sell the data. Downloading is also possible.
  • the dedicated sensor 3 can be sold including the usage fee for the data processing software 4, and it is convenient to collect and pay for the data processing software 4.
  • the server 6 may charge each time the data processing software 4 is downloaded.
  • the charging method may be performed by communication using a credit card, a prepaid card, or the like, or an invoice may be issued. In this case, the charges for the data processing software 4 and the dedicated sensor 3 can be clearly distinguished.
  • the dedicated sensor 3 detects vibration.
  • the dedicated sensor 3 may detect temperature, or may detect both vibration and temperature, or other situations. It may be detected. If the data processing software 4 detects both vibration and temperature, the abnormality can be judged with higher accuracy.
  • this invention is applicable about the test
  • Communication between the portable information terminal 2 and the server 6 may be performed directly from the portable information terminal 2 to the communication line network 7 such as an external telephone network.
  • the line network 7 may be connected to the server 6.
  • FIG. 4 shows a system of a portable terminal use inspection method according to the second embodiment of the present invention.
  • the second embodiment is the same as the first embodiment.
  • the portable The data processing software 4 and the specification data 5 are input to the information terminal 2, and the input data processing software 4 is installed in the portable information terminal 2.
  • the detection data detected by the dedicated sensor 3 and supplied to the portable information terminal 2 is converted by the data processing software 4 installed in the portable information terminal 2.
  • Data processing is performed using the input specification data 5 and the processing result is displayed on the screen 21 a of the portable information terminal 23.
  • the portable storage device 32 is a card-type memory chip such as a micro SD card or a USB memory.
  • the portable information terminal 2 generally has a connection means (not shown) such as a terminal having an interface to the card-type memory chip or the USB memory, a card accommodating portion, and the like.
  • the data processing software 4 can be installed and the specification data 5 can be input without communicating with the server.
  • the portable storage device 32 may be sold together with the dedicated sensor 3.
  • the data processing software 4 and the specification data 5 can be associated with the dedicated sensor 3 by a number such as a serial number, and can be associated one by one.
  • the data processing software 4 and the specification data 5 may be stored in the portable information terminal 2 and used.
  • the processing result obtained by processing the four data by the data processing software by the portable information terminal 2 may be recorded in the portable information terminal 2 and compared with a plurality of processing results.
  • the data processing software 4 has a function of comparing a plurality of processing results.
  • FIG. 5 and 6 show a system for a portable terminal use inspection method according to the third embodiment of the present invention.
  • the detection data is processed by the server 6, and other matters are different from those of the first and second embodiments in this connection. Note that this embodiment is the same as the second and / or third embodiment except for the matters specifically described, and redundant description will be omitted.
  • the server 6 includes request response means 37 that is a means for responding to a request from the portable information terminal 2 as part of the communication processing means 11 or independently of the communication processing means 11.
  • the request response means 37 causes the data processing software 4A to perform data processing in response to a data processing request from the portable information terminal 2. This processing result is returned to the portable information terminal 2 by the processing result return means 34.
  • the server 6 stores terminal-side processing software 33 as software to be transmitted to the portable information terminal 2, and responds to a transmission request from the portable information terminal 2 by the request response means 37 to the terminal side.
  • the processing software 33 is transmitted to the portable information terminal 2.
  • the data processing software 4A performed by the server 6 is also configured to perform, for example, FFT analysis (frequency analysis) and detect the vibration level of the frequency of each part of the bearing from the FFT analysis result.
  • the terminal-side processing software 33 may be read into the portable information terminal 2 from the portable storage device 32 (FIG. 4), as in the method according to the second embodiment.
  • the terminal-side processing software 33 is software such as processing for transmitting detection data detected by the dedicated sensor 3 and supplied to the portable information terminal 2 to the server 6 and causing the server 6 to perform data processing.
  • the terminal-side processing software 33 is installed in the portable information terminal 2, that is, is in an executable state, so that the detection information transmission unit 35, the processing result display unit 36, and the abnormality determination unit are added to the portable information terminal 2. 38 is constructed.
  • a transmission request for the terminal-side processing software 33 is sent from the portable information terminal 2 to the server 6.
  • the server 6 transmits the terminal-side processing software 33 to the portable information terminal device 2.
  • the portable information terminal device 2 installs the downloaded terminal-side processing software 33 and makes it executable.
  • the detection data input from the dedicated sensor 3 to the portable information terminal 2, the model number of the rotating machine component 1 input from the manual input means 22 and the like, and the inspection of the rotating machine component 1 by the dedicated sensor 3 are performed.
  • the rotational speed data may be data input from the manual input means 22 or data obtained from a rotation detector (not shown).
  • the server 6 processes the received detection data by the data processing software 4A using the specification data 5 and the rotation speed for each model number, and returns the processing result to the portable information terminal 2 by the processing result return means 34. .
  • the portable information terminal 2 displays the returned processing result on the screen 21a.
  • the detection data is processed by the server 6, it is necessary to transmit the detection data from the portable information terminal 2, but the server 6 is compared with the portable information terminal 2. Since it is normal to have a significantly high-speed processing function, the detection data can be processed at high speed by using this high-speed processing function, and more detailed and accurate diagnosis can be performed by performing advanced processing. .
  • Other effects are the same as those of the portable terminal use inspection method according to the second embodiment.
  • the processing result processed by the data processing software 4A may be stored in the portable information terminal 2 and a plurality of processing results may be compared.
  • the comparison of the processing results is performed by the terminal-side processing software 4A, that is, the abnormality determining means 38.
  • numerical data is obtained as a processing result by the data processing, and the numerical data exceeds a threshold determined for each model number or is within the threshold. Is determined to be abnormal when a condition determined by comparison of processing results over time is satisfied, and the determination result is displayed on the screen of the portable information terminal 2 by the processing result display means 36 or the like. Also good.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
PCT/JP2013/057981 2012-03-28 2013-03-21 回転機械部品の検査方法および検査システム WO2013146501A1 (ja)

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US14/386,428 US20150039243A1 (en) 2012-03-28 2013-03-21 Method and system for inspecting rotating machine component
EP13767658.1A EP2833114A4 (en) 2012-03-28 2013-03-21 METHOD AND SYSTEM FOR INSPECTING ROTATING MACHINE COMPONENT
IN8253DEN2014 IN2014DN08253A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2012-03-28 2013-03-21
CN201380015599.XA CN104169705A (zh) 2012-03-28 2013-03-21 旋转机械部件的检查方法和检查系统

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JP6234012B2 (ja) 2017-11-22
CN104169705A (zh) 2014-11-26
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