JP2008171285A - Sensor system and method for performing measurement by the sensor system - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To automatically organize and store measurement data received from sensor bodies installed in a plurality of measurement places by a terminal sequentially connected to the sensor bodies installed in the plurality of measurement places and used in each measurement place. <P>SOLUTION: The terminal 20 is sequentially selectively connected to the sensor bodies 10 through a communication interface 30. Measurement place identification data for identifying the measurement place by the sensor body 10 are stored in the sensor body 10. The terminal 20 receives the measurement place identification data from the sensor body 10 when receiving the measurement data detected by the sensor body 10 from the sensor body 10 according to the connection of the sensor body 10 through the communication interface 30. The terminal 20 stores the received measurement data associatively to the received measurement place identification data. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a sensor system and a measurement method using the sensor system.

  In the design and development of automobiles and electrical products, research is being conducted to increase the quietness by measuring the vibration and noise of each part using vibration sensors and acoustic sensors. Or, when inspecting and maintaining production equipment at factories, etc., the production equipment actually breaks down by regularly checking for abnormal sounds using vibration sensors and acoustic sensors. Appropriate maintenance is performed before stopping.

  Under such circumstances, a plurality of sensor bodies are installed in various places in advance, and a measurer sequentially connects a terminal such as a handy terminal equipped with a display etc. to the plurality of sensor bodies to measure vibration and noise. There are things to do.

  In performing the measurement as described above, the terminal appropriately amplifies an analog signal received from each sensor body by an amplifier according to the sensitivity of the sensor body, and displays a waveform or the like corresponding to the analog signal on the display. It is necessary to output.

  In order to perform such sensitivity adjustment automatically, a TEDS (Transducer Electronic Data Sheet) sensor is used. The TEDS sensor is a generic term for sensors that store sensor-specific information in a nonvolatile memory inside the sensor. At the time of shipment from the factory, the sensor information includes the manufacturer name, sensor type, model, serial number, location, etc. Remember the information. The TEDS technology is defined in the IEEE P1451 Smart Transducer Interface standard.

  A TEDS sensor that conforms to the above-mentioned standard can be operated by a TEDS conditioner that conforms to the same standard, and any TEDS sensor that incorporates the TEDS conditioner can be operated by any manufacturer. The sensor information can be automatically read from the non-volatile memory of the TEDS sensor (sensor body) in response to the connection to the (sensor body) and the sensitivity can be adjusted.

For example, in Patent Document 1, in order to associate measurement data with a measurement location, each measurement seat is provided with a setting unit that sets solid identification information and a conversion unit that converts the solid identification information into a signal, A light emitting means for emitting light in response to the signal is provided, and a light receiving means for receiving light from the light emitting means and a decoding means for decoding the solid identification information indicated by the light reception signal are provided on the data collector side. There is.
JP-A-11-144180

  However, according to the invention described in Patent Document 1, the measurement data received by the terminal connected to the sensor main body sequentially installed at the plurality of measurement locations is received from the sensor main body installed at the plurality of measurement locations. It is not possible to automatically organize and memorize each measurement location.

  In view of this, the present invention provides a terminal that is connected to a sensor body that is sequentially installed at a plurality of measurement locations and automatically receives measurement data received from the sensor body that is installed at the plurality of measurement locations. It is an object of the present invention to provide a sensor system that can be organized and stored every time, and a method of measuring using the sensor system.

  In order to achieve the above-mentioned object, the present inventors have conducted research and have completed the present invention. Specifically, the present invention provides the following.

(1) A sensor system including a terminal (terminal 20) and a sensor main body (sensor main body 10) connectable via a communication interface (communication interface 30),
The sensor body includes means for storing measurement location identification data (measurement point number, measurement point name, etc.) for identifying a measurement location by the sensor body,
The terminal further receives the measurement location identification data from the sensor body when receiving the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface. Means for receiving;
Means for storing the received measurement data in association with the received measurement location identification data.

  According to such a configuration of the present invention, the sensor main body includes means for storing measurement location identification data (measurement point number, measurement point name, etc.) for identifying a measurement location by the sensor main body, and the terminal However, when receiving the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface, the measurement location identification data is further received from the sensor body. The received measurement data can be stored in association with the received measurement location identification data.

  Accordingly, the terminal can store the received measurement location identification data in association with the received measurement data based on the measurement location identification data received from the sensor body.

  As a result, even when the terminal is sequentially connected to a plurality of types of sensor bodies installed at different measurement locations and used for measurement, it receives measurement location identification data from the sensor body each time, Measurement data can be stored in association with the measurement location identification data.

  As described above, the terminal can automatically provide the measurement data in a state of being arranged for each measurement place when the measurement data is used for analysis or the like after the above series of measurement operations. .

(2) The sensor body further includes means for storing sensor identification data (manufacturer name, sensor type, model, serial number, calibration value, etc.) for identifying the sensor body,
The terminal stores sensitivity data for amplifying and storing the measurement data in association with the sensor identification data;
Means for further receiving the sensor identification data from the sensor body when receiving the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface;
(1) further comprising means for amplifying the received measurement data based on the received sensor identification data based on the stored sensitivity data and associating the measurement data with the measurement location identification data. Sensor system.

  According to such a configuration of the present invention, the sensor main body further includes means for storing sensor identification data (manufacturer name, sensor type, model, serial number, calibration value, etc.) for identifying the sensor main body. And the terminal stores sensitivity data for amplifying and storing the measurement data in association with the sensor identification data, and in response to the connection of the sensor body via the communication interface, the sensor body When receiving the measurement data detected by the sensor main body, the sensor identification data is further received from the sensor main body, and the received measurement data is stored based on the received sensor identification data. Can be amplified and stored in association with the measurement location identification data.

  Accordingly, the terminal can automatically perform appropriate amplification according to the sensitivity of the sensor in accordance with the sensor body to be connected.

  (3) The terminal outputs the measurement data selected by the selection operation in response to receiving a selection operation of the stored measurement data from the user of the terminal using the measurement location identification data as a key. The sensor system according to (1) or (2), further including means (display / output as sound from a speaker).

  According to such a configuration of the present invention, the terminal performs the selection operation in response to receiving a selection operation of the stored measurement data from the user of the terminal using the measurement location identification data as a key. The selected measurement data can be output.

  Thereby, the terminal can measure and store the measurement data that has been measured and stored in the past, and the measurement data of the measurement location identified by the measurement location identification data can be designated at any time thereafter. .

  As the output method, the terminal may display a waveform based on the measurement data on a display (display unit 240), or from a speaker (speaker unit 260), for example, a sound received from an acoustic sensor or a vibration sensor. The received signal may be reproduced and output as a sound file.

(4) The terminal stores, for each of the measurement locations, comparison measurement data for comparison with the measurement data in association with the measurement location identification data;
In response to receiving a selection operation of the stored comparison measurement data from the user of the terminal using the measurement location identification data as a key, the comparison measurement data selected by the selection operation is output (from the display / speaker). The sensor system according to any one of (1) to (3), further including means for outputting as sound.

  According to such a configuration of the present invention, the terminal further includes means for storing, for each measurement location, comparison measurement data for comparison with the measurement data in association with the measurement location identification data. The comparison measurement data selected by the selection operation can be output in response to receiving the selection operation of the stored comparison measurement data from the user using the measurement location identification data as a key. Have

  Thereby, the terminal can output the comparative measurement data as needed.

  As a result, at the time of measurement, the user of the terminal can call the comparative measurement data and output it to the terminal for comparison, for example, in order to determine normality / abnormality at the measurement location on the spot.

(5) A method in which a sensor system including a terminal (terminal 20) and a sensor main body (sensor main body 10) connectable via a communication interface (communication interface 30) performs measurement,
The sensor body includes means for storing measurement location identification data (measurement point number, measurement point name, etc.) for identifying a measurement location by the sensor body,
When the terminal receives the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface, the measurement location identification data is further transmitted from the sensor body. Receiving step;
Storing the received measurement data in association with the received measurement location identification data.

  According to the method having such a configuration, the same effect as in (1) can be expected.

(6) The sensor main body further includes means for storing sensor identification data (manufacturer name, sensor type, model, serial number, calibration value, etc.) for identifying the sensor main body,
The terminal storing sensitivity data for amplifying and storing the measurement data in association with the sensor identification data;
A step of further receiving the sensor identification data from the sensor body when receiving the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface;
The received measurement data is further amplified based on the received sensitivity data based on the received sensor identification data and stored in association with the measurement location identification data. Method.

  According to the method having such a configuration, the same effect as in (2) can be expected.

  (7) The terminal outputs the measurement data selected by the selection operation in response to receiving a selection operation of the stored measurement data from the user of the terminal using the measurement location identification data as a key. The method according to (5) or (6), further including a step of (display / output as sound from a speaker or the like).

  According to the method having such a configuration, the same effect as (3) can be expected.

(8) The terminal includes, for each measurement location, means for storing comparison measurement data for comparison with the measurement data in association with the measurement location identification data,
In response to receiving a selection operation of the stored comparison measurement data from the user of the terminal using the measurement location identification data as a key, the comparison measurement data selected by the selection operation is output (from the display / speaker). The method according to any one of (5) to (7), further including a step of outputting as sound.

  According to the method having such a configuration, the same effect as in (4) can be expected.

  According to the present invention, even when the terminal is sequentially connected to a plurality of types of sensor bodies installed at different measurement locations and used for measurement, the terminal receives measurement location identification data from the sensor body each time. Thus, the measurement data can be stored in association with the measurement location identification data.

  Embodiments of the present invention will be described below with reference to the drawings.

  First, as shown in FIG. 1, the sensor system 1 includes at least one sensor body (for example, a TEDS sensor) 10 and a terminal (for example, an analyzer having a TEDS signal conditioner) 20. In the illustrated example, a plurality of sensor main bodies 10 are arranged in a predetermined measurement area such as a production facility in a factory, and the sensor main bodies 10 are arranged at different measurement locations in the measurement area. Here, the measurement area is, for example, an area defined for an automobile, an electric product, or the like. In this case, the sensor body 10 has a function of a vibration sensor or an acoustic sensor, and the sensor body 10 is an automobile or the like. The vibration and noise of each part are measured as described later. Furthermore, the measurement area may be defined for production equipment in a factory or the like. In any case, the sensor body 10 measures the state (hereinafter referred to as an environmental situation) such as vibration and noise in the measurement region.

  The terminal 20 is sequentially and selectively connected to one of the plurality of sensor bodies 10 via a communication interface 30 such as a communication cable. In other words, the communication interface 30 is connected to the terminal 20, and a connector portion 30a is provided at one end thereof. On the other hand, each sensor body 10 is provided with a connector part 10a, and the measurer selects one of the plurality of sensor bodies 10 and connects the connector parts 10a and 30a to connect the sensor body 10 and the terminal 20. To do. As shown by a broken line in FIG. 1, the measurer connects another sensor main body 10 and the terminal 20 through the communication interface 30 and measures the environmental state of each part (measurement place) in the measurement region.

  In the present embodiment, the example in which the communication interface 30 is realized by a communication cable has been described. However, this is merely an example of the embodiment of the present invention, and may be realized by wireless communication. In this case, each sensor body 10 and the terminal 20 may be selectively connected sequentially by wireless communication using different frequencies.

  As shown in the figure, the terminal 20 is a handy type, and a keyboard-like input unit 230 is disposed on the surface thereof, and a display unit (monitor) 240 is further disposed. Then, the measurer performs various settings and the like as will be described later by the input unit 230, and the measurement result and the like are displayed on the display unit 240.

  As shown in FIG. 2, the sensor body 10 includes a measuring unit 110 for measuring an environmental situation and a TEDS memory unit 120 described later. The terminal 20 includes a control unit 210, a storage unit 220, an input unit 230 such as a keyboard, a display unit (monitor / display) 240, a communication I / F unit (communication interface unit) 250, and a speaker unit 260. These units are connected to each other by a bus 20a. The communication interface 30 is connected to the communication I / F unit 250. When the connector units 10a and 30a are connected, the communication I / F unit 250 is connected to the measurement unit 110 and the TEDS memory unit 120 via the communication interface 30. (Although not shown, the terminal 20 is provided with a TEDS signal conditioner, and the controller 210 may have the function of this TEDS signal conditioner).

  As shown in FIGS. 3 and 4, the TEDS memory unit 120 has a sensor identification data table (for example, PROM segment: 64-bit memory capacity). The sensor identification data table includes a manufacturer name, The sensor type (acoustic sensor in the illustrated example), model, serial number, and the like are stored. This sensor identification data table is generated by the manufacturer and recorded in the TEDS memory unit 120.

  A user use area is defined in the TEDS memory unit 120 shown in FIG. 2, and this user use area is, for example, an EEP-ROM (Erasable Programmable Read Only Memory) segment, and its memory capacity is 256 bits. In this user use area, a measurement location identification data table shown in FIG. 4 is stored. In the illustrated example, the measurement location identification data table stores a measurement point number and a measurement point name for identifying the measurement location where the sensor body 10 is arranged.

  By the way, although not shown, the measuring unit 110 shown in FIG. 2 has a sensor unit and an amplifier unit (amplifying unit) connected to the sensor unit, and when the terminal 20 and the sensor body 10 are connected. When a positive bias voltage is applied to the sensor body 10 from the terminal 20 (that is, by the TEDS signal conditioner), the sensor body 10 enters the measurement mode (analog mode) by the diode separation function (not shown), and the measurement is performed. An analog signal indicating the measurement result measured by the unit 110 is amplified by the amplifier unit and provided to the terminal 20.

  On the other hand, when a negative bias voltage is applied from the terminal 20 to the sensor body 10, the sensor body 10 enters a digital mode (memory read / write mode), and the TEDS memory unit 120 can be accessed from the terminal 20.

  Here, as shown in FIG. 5, the measurement of the environmental condition in the measurement region defined in advance using the sensor system 1 described above will be described. The measurer connects the terminal 20 to one of the plurality of sensor bodies 10 arranged in the measurement region by the communication interface 30 (step S11). When the measurer sets the digital mode using the input unit 230, the terminal 20 applies a negative bias voltage to the sensor main body 10 to set the sensor main body 10 to the digital mode. As a result, the TEDS memory unit 120 in the sensor body 10 can be accessed.

  Subsequently, the control unit 210 accesses the TEDS memory unit 120 via the communication I / F unit 250 and stores the sensor identification table (calibration data for determining the amplification width of the measurement data) stored in the TEDS memory unit 120. The sensor identification data and the measurement location identification data in the measurement location identification data table are received, and the sensor identification data and the measurement location identification data are received (step S12).

  In the terminal 20, the storage unit 220 stores calibration data for each sensor body read from the TEDS memory unit 120 as described above (the sensor body 10 may have different sensitivities due to manufacturing errors or the like). Yes, the sensitivity is measured in advance under the same environment and stored in the storage unit 220 in association with the sensor identification data as calibration data for adjusting the sensitivity), and when the control unit 210 receives the sensor identification data, Calibration data related to the sensor identification data is read from the storage unit 220, and the sensitivity to the sensor body 10 is set in itself (control unit 210) according to the calibration data (step S13).

  When the sensitivity is set as described above, the control unit 210 sets the sensor body 10 to the analog mode. As described above, in the analog mode, measurement data (for example, vibration measurement data) of the measurement location measured by the measurement unit 110 of the sensor body 10 is given to the control unit 210 via the communication interface unit 250 (note that Since the measurement data is an analog signal, for example, analog-digital (A / D) conversion is performed by the communication I / F unit 250 and the digital data is provided to the control unit 210 (step S14).

  When receiving the measurement data, the control unit 210 stores the measurement data in the storage unit 220 in association with the measurement location identification data (step S15). The measurement location identification data is also associated with sensor identification data.

  More specifically, for example, the measurement range is set and digital LPF (Low Pass Filter) / digital HPF (High Pass Filter) is selected, and the digital gain is optimized for measurement.

  Next, as described above, sensor identification data is recorded in the storage unit 220, and when measurement by one sensor body 10 is completed, the storage unit 220 is searched and sensors corresponding to all the sensor identification data are stored. It is determined whether or not measurement has been performed on the main body 10 (that is, whether or not measurement has been completed for all measurement locations: step S16). Alternatively, it may be determined whether to continue measurement by accepting an operation from the user of the terminal 20.

  If the measurement has not been completed for all measurement places, the control unit 210 displays the fact on the display unit 240 or notifies the speaker unit 260 of the fact, and returns to step S11. The acquisition of measurement data is performed over a preset time (for example, set by the measurer from the input unit 230), and after the preset time has elapsed, the control unit 210 performs all measurements. It is determined whether or not the measurement has been completed for the place.

  After receiving the notification that the measurement has not been completed for all measurement locations, the measurer removes the connector portion 30a from the connector portion 10a and connects it to the connector portion 10a of another sensor body 10. Then, as described above, the control unit 210 obtains measurement data related to the measurement location and stores the measurement data in the storage unit 220 in association with the measurement location identification data.

  In this way, when the measurement data is obtained for all the measurement locations, and associated with the measurement location identification data and stored in the storage unit 220, the control unit 210 displays the notification on the display unit 240 or notifies the speaker unit 260, The process ends.

  As described above, since the measurement data is stored in the storage unit 220 in association with the measurement location (that is, the measurement location identification data), the terminal 20 is sequentially connected to a plurality of types of sensor bodies 10 installed in different measurement locations. When analyzing the measurement data connected and measured, there is an effect that the measurement data can be provided automatically in a state of being arranged for each measurement place. That is, since the measurement data is stored in association with the measurement location, there is an effect that the measurement data can be easily organized for each measurement location.

  Furthermore, since the terminal 20 is configured to correct the sensitivity for each sensor body defined by the sensor identification data using the calibration data, it is possible to correct errors caused by individual differences in the sensor body 10, and as a result, There is an effect that highly accurate measurement data can be obtained for each measurement location.

  Next, processing of measurement data stored in the storage unit 220 of the terminal 20 as described above will be described.

  As shown in FIG. 6, when the measurement data stored in the storage unit 220 is output, the user inputs a measurement data output command from the input unit 230, presses a predetermined button, and outputs the measurement data to be output. Select and input measurement location identification data. Thereby, the control unit 210 accepts the selection of the measurement data (step S21), responds the measurement data output command, and displays the measurement data related to the measurement location identification data on the display unit 240 (if necessary, You may make it output as an audio | voice from the speaker part 260: step S22).

  Subsequently, the control unit 210 determines whether or not measurement data related to all measurement location identification data input from the input unit 230 is output (step S23), and all measurement data is not output. Returning to step S21, the output process is continued. Alternatively, by receiving an operation from the user of the terminal 20, it may be determined whether or not measurement data is to be continuously output. On the other hand, when measurement data related to all measurement location identification data is output, the control unit 210 ends the output process.

  The user can designate the measurement location by the measurement location identification data and display the measurement data stored in the storage unit 220. As a result, the past measurement data can be displayed in time series for the same measurement location. It can be output and confirmed. When outputting measurement data, for example, the measurement data may be displayed as a waveform on the display unit 240. Furthermore, when the measurement data is noise or the like measured by an acoustic sensor, You may make it output as an audio | voice from the speaker part 260. FIG. By doing so, the user can perform analysis based on the difference in the output waveform and sound while comparing the measurement data stored in the past with the current measurement data. It is effective when performing.

  Here, as shown in FIG. 7, the storage unit 220 shown in FIG. 2 stores comparison measurement data for each measurement place (measurement place identification data) (this comparison measurement data is measured in the past). In other words, the latest measurement data is stored in the storage unit 220 as the current measurement data, and the current measurement data is more than the current measurement data. Old data is stored as comparative measurement data). Now, the user inputs a comparative measurement data output command from the input unit 230, presses a predetermined button, and selects and inputs measurement location identification data of the comparative measurement data to be output. As a result, the control unit 210 receives the selection of the comparison measurement data (step S31), and responds to the comparison measurement data output command to display the comparison measurement data related to the measurement location identification data on the display unit 240 (necessary). In response, the sound may be output from the speaker unit 260 as sound: step S32).

  Subsequently, the control unit 210 determines whether or not comparison measurement data related to all measurement location identification data input from the input unit 230 has been output (step S33), and outputs all comparison measurement data. If not, the process returns to step S31 to continue the comparison output process. Alternatively, by receiving an operation from the user of the terminal 20, it may be determined whether or not to continue output of the comparative measurement data. On the other hand, when the comparison measurement data related to all the measurement location identification data is output, the control unit 210 ends the comparison measurement data output process.

  In this way, if the comparison measurement data is read out for each measurement location, the user can compare the comparison measurement data with the current measurement data, and based on the difference in the output waveform and sound, It can be easily determined whether or not the measurement data at the measurement location is normal.

  Here, referring to FIG. 8, FIG. 8 is a diagram for explaining the measurement data stored in the storage unit 220 (FIG. 2). The input unit 230 displays a list of measurement points (measurement locations) from the user. When receiving the command input, the measurement point list is displayed on the display unit 240 under the control of the control unit 210. In the illustrated example, a pure water pump holder 40 is displayed as a measurement point. When the pure water pump holder 40 is opened, a lower holder appears. For example, when the holder indicated by # 101-X is opened, the detailed display 42 appears, and when the item in the detailed display 42 is opened, the detailed display appears on the display unit 240. In the illustrated example, when the measurement data 1 is opened, the measurement values and determination results of A BAND, B BAND, and C BAND are displayed as the detailed display 43. Similarly, when the A BAND determination method is opened, a determination criterion based on the JIS B 0907 standard is displayed as the detailed display 44. Similarly, when the B BAND determination method is opened, a determination criterion for relative determination is displayed as the detailed display 45. Similarly, when the C BAND determination method is opened, a determination criterion for frequency determination is displayed as the detailed display 46. Thus, each measurement data may be stored (registered) in the storage unit 220 in a tree structure format.

  Next, an example in which the sensor body 10 includes an acoustic sensor that listens to the output of the vibration sensor with sound and abnormal sound data is stored in the terminal 20 as the above-described comparative measurement data will be described. FIG. 9 is a diagram showing a list of abnormal sound data displayed on the display unit 240 under the control of the control unit 210 when the user instructs display of the abnormal sound data list from the input unit 230. Here, FIG. A list of abnormal sound data is shown. When the ball bearing holder 50 is opened, for example, a flaking holder 51, an indentation holder 52, and an electrolytic corrosion holder 53 appear. As described above, each abnormal sound data may be stored (registered) in the storage unit 220 in a tree structure format.

  FIG. 10 is a diagram schematically illustrating an example of the measurement point list described in FIG. 8, and thus description thereof is omitted here. FIG. 11 is a diagram showing a list of acceleration pickup sensitivity tables. Here, the sensitivity (calibration data) of the acceleration pickup arranged for each measurement location is registered. That is, when the acceleration pickup holder 60 is opened, the holders 61 to 63 of each acceleration pickup appear on the display unit 240. As described above, each calibration data may be stored (registered) in the storage unit 220 in a tree structure format.

  Here, with reference to FIG. 12, the determination of abnormal vibration in a measurement region of a production facility or the like will be described. Here, it is assumed that the sensor system 1 described with reference to FIGS. 1 and 2 is used, and the sensor main body 10 is disposed at each measurement location in the measurement region.

  When determining abnormal vibration, first, determination criteria are registered (step S41). Specifically, reference measurement data (comparison measurement data) indicating determination criteria for each measurement location is registered in the storage unit 220. Subsequently, after the measurement plan list is organized (step S42), the measurement plan list is written in the terminal 20 (step S43). Then, measurement and determination of abnormal vibration are performed by the measurer according to the measurement plan list.

  When performing measurement and determination of abnormal vibration, first, simple diagnosis and simple measurement are performed. As described with reference to FIGS. 1 and 2, the vibration of each measurement location is measured by the sensor body 10 for each measurement location (step S44), and each time the vibration measurement data is received by the control unit 210, the above-described reference measurement data is received. It is determined whether or not the threshold value is within a predetermined threshold range. That is, it is determined whether or not the vibration measurement data is a normal value (step S45).

  If the vibration measurement value is a normal value, the control unit 210 determines whether or not the comparison between the vibration measurement data and the reference measurement data has been completed for all measurement locations (step S46), and all the measurement locations. When the process is completed, the control unit 210 stores (stores) the vibration measurement data in the storage unit 220 in association with the measurement location identification data as described with reference to FIGS. 1 and 2 (step S47).

  On the other hand, if all the measurement locations have not been completed in step S46, the control unit 210 returns to step S44 and continues the process. If the control unit 210 determines in step S45 that the vibration measurement data is not a normal value, the control unit 210 displays the fact on the display unit 240 (may be notified by the speaker unit 260), and proceeds to precision diagnosis / precision measurement. To do. In this precise diagnosis / precise measurement, for example, a vibration waveform corresponding to vibration measurement data is collected (step S48), and this vibration waveform is analyzed by fast Fourier transform (FFT) or the like to obtain an analysis result (step S49). ).

  Then, the control unit 210 determines whether or not the analysis result is within a normal value range (step S50). If the analysis result is in the normal value range, the control unit 210 proceeds to step S46. On the other hand, if the analysis result is abnormal (not in the normal value range), the control unit 210 displays the fact on the display unit 240. Display. As a result, the measurer performs abnormality diagnosis analysis using another device or the like (step S51). Then, for example, a repair / repair plan is formulated according to the abnormality diagnosis analysis (step S52).

  Note that the vibration measurement data stored in the storage unit 220 in step S47 is transferred to a personal computer or the like at a later date (step S53), and used for the above-described repair / repair plan.

  FIG. 13 is a diagram illustrating an example of a flow of work when performing a measurement work, which will not be described in detail here. For example, the measurement work includes measurement preparation, confirmation (before), measurement, analysis, determination, and storage. (Memory), confirmation (after), and management. In measurement preparation, measurement point (measurement location) registration, measurement location determination, sensitivity setting, and the like are performed.

  In the confirmation (previous), the procedure shown in FIG. 13 is performed. In the illustrated example, in the measurement, confirmation of vibration sound, measurement of temperature, and measurement of vibration value are performed. In the analysis, the frequency and vibration level are confirmed, and in the determination, for example, a comparison determination by JIS and ISO is performed.

  Subsequently, in the storage (storage), for example, the vibration value and the waveform are stored (here, in addition to the storage (storage) in the storage unit 220 illustrated in FIG. 2), for example, a memory card or the like. Is also saved (memorized). And in confirmation (after), confirmation of a vibration value, confirmation of a vibration waveform, etc. are performed, and transfer to a personal computer (PC) etc. is performed in management.

  As mentioned above, although embodiment of this invention was described, this invention is not restricted to embodiment mentioned above. The effects described in the embodiments of the present invention are only the most preferable effects resulting from the present invention, and the effects of the present invention are limited to those described in the embodiments of the present invention. is not.

It is a figure which shows the structure of an example of the sensor system by embodiment of this invention. It is a block diagram which shows the function structure of the sensor main body and terminal shown in FIG. It is a figure which shows an example of the sensor identification data table registered into the sensor main body and terminal shown in FIG. It is a figure which shows an example of the measurement location identification data table registered into the sensor main body and terminal shown in FIG. It is a flowchart for demonstrating the measurement process using the sensor system shown in FIG. It is a flowchart for demonstrating the measurement data output process using the sensor system shown in FIG. It is a flowchart for demonstrating the comparison measurement data output process using the sensor system shown in FIG. It is a figure which shows in detail the measurement place (measurement point) list | wrist preserve | saved (stored) in the terminal shown in FIG. 1, and preservation | save of measurement data. It is a figure which shows roughly management and search of abnormal sound data in the terminal shown in FIG. It is a figure which shows the measurement location management in the terminal shown in FIG. It is a figure which shows an example of the sensitivity management of the acceleration pick-up (vibration sensor) which is one of the sensors in the terminal shown in FIG. It is a flowchart for demonstrating abnormal vibration determination using the sensor system shown in FIG. It is a figure which shows an example of the work procedure at the time of using the sensor system shown in FIG.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Sensor system 10 Sensor main body 20 Terminal 30 Communication cable (communication interface)
DESCRIPTION OF SYMBOLS 110 Measurement part 120 TEDS memory part 210 Control part 220 Storage part 230 Input part 240 Display part 250 Communication I / F part 260 Speaker part

Claims (8)

A sensor system including a terminal and a sensor body connectable via a communication interface,
The sensor body includes means for storing measurement location identification data for identifying a measurement location by the sensor body,
The terminal further receives the measurement location identification data from the sensor body when receiving the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface. Means for receiving;
Means for storing the received measurement data in association with the received measurement location identification data. The sensor body further comprises means for storing sensor identification data for identifying the sensor body,
The terminal stores sensitivity data for amplifying and storing the measurement data in association with the sensor identification data;
Means for further receiving the sensor identification data from the sensor body when receiving the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface;
2. The means for amplifying the received measurement data based on the received sensor identification data based on the stored sensitivity data and storing the amplified measurement data in association with the measurement location identification data. Sensor system.   Means for outputting the measurement data selected by the selection operation in response to receiving a selection operation of the stored measurement data from the user of the terminal using the measurement location identification data as a key; The sensor system according to claim 1, further comprising: The terminal stores, for each of the measurement locations, comparison measurement data for comparison with the measurement data in association with the measurement location identification data;
And means for outputting the comparison measurement data selected by the selection operation in response to receiving the selection operation of the stored comparison measurement data from the user of the terminal using the measurement location identification data as a key. The sensor system according to any one of claims 1 to 3. A method of measuring by a sensor system including a terminal and a sensor body connectable via a communication interface,
The sensor body includes means for storing measurement location identification data for identifying a measurement location by the sensor body,
When the terminal receives the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface, the measurement location identification data is further transmitted from the sensor body. Receiving step;
Storing the received measurement data in association with the received measurement location identification data. The sensor body further comprises means for storing sensor identification data for identifying the sensor body,
The terminal storing sensitivity data for amplifying and storing the measurement data in association with the sensor identification data;
A step of further receiving the sensor identification data from the sensor body when receiving the measurement data detected by the sensor body from the sensor body in response to the connection of the sensor body via the communication interface;
6. The method of claim 5, further comprising: amplifying the received measurement data based on the received sensor identification data based on the stored sensitivity data and storing the amplified measurement data in association with the measurement location identification data. Method.   A step of outputting the measurement data selected by the selection operation in response to the terminal receiving a selection operation of the stored measurement data from the user of the terminal using the measurement location identification data as a key; The method according to claim 5 or 6, further comprising: The terminal includes, for each measurement location, means for storing comparison measurement data for comparison with the measurement data in association with the measurement location identification data,
The method further includes the step of outputting the comparison measurement data selected by the selection operation in response to receiving a selection operation of the stored comparison measurement data from the user of the terminal using the measurement location identification data as a key. The method according to claim 5.

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