CN113959476B - Intelligent instrument and meter verification system and method - Google Patents
Intelligent instrument and meter verification system and method Download PDFInfo
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- CN113959476B CN113959476B CN202111577794.4A CN202111577794A CN113959476B CN 113959476 B CN113959476 B CN 113959476B CN 202111577794 A CN202111577794 A CN 202111577794A CN 113959476 B CN113959476 B CN 113959476B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
- G01D18/00—Testing or calibrating apparatus or arrangements provided for in groups G01D1/00 - G01D15/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
- G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F17/00—Digital computing or data processing equipment or methods, specially adapted for specific functions
- G06F17/10—Complex mathematical operations
- G06F17/16—Matrix or vector computation, e.g. matrix-matrix or matrix-vector multiplication, matrix factorization
Abstract
The invention provides an intelligent instrument and meter verification system which is characterized by comprising a detection device, a processing device, a scheduling device, an identification device, a measuring device, a server and a processor, wherein the detection device is used for detecting an instrument to acquire the data of the instrument; the identification device identifies various instruments to collect the models of the instruments; the scheduling means schedules out data associated with the meter based on the data identified by the identifying means; the measuring device is used for connecting the interfaces of all the verification instruments to acquire data in all the instruments; the processing device is used for analyzing the data measured by the detection device so as to obtain the test result of the instrument. According to the invention, the verification module is used for verifying the identity of the mobile terminal so as to realize data pushing to the mobile terminal, and the convenience of receiving the historical data of the instrument or executing the task by the mobile terminal is effectively improved.
Description
Technical Field
The invention relates to the technical field of instrument verification, in particular to an intelligent instrument verification system and method.
Background
In the traditional metering and verification, a test verification test bench is constructed manually by referring to the metering verification standard of a certain type of instrument basically in a manual mode, and tests of verification projects are carried out one by one, and manual recording and analysis are relied on in most cases.
For example, CN112179394B prior art discloses an intelligent instrument verification system, where verification and periodic measurement of instruments and meters are important guarantees of accuracy and qualification of measured data, and in a large-scale metrological verification station, periodic verification of types of test instruments is required to ensure the qualification and validity of the test instruments, so that the conventional verification method and efficiency are not high, more human resources are required to be consumed for the large-scale verification and detection station, and digital query and storage are also difficult.
Another typical integrated metrological verification apparatus composed of multiple types of standard instruments disclosed in the prior art of CN103134547B is often required to be composed of multiple types of high-performance standard instruments of different manufacturers when performing metrological verification on high-performance serial devices with the same signal type, and the performance indexes of the integrated metrological verification apparatus are generally better than those of a metrological detection apparatus composed of VXI and PCI buses. Although the signal types of these series of devices are substantially the same, there are differences in interface signal definitions for different devices, which present difficulties in interfacing and signal matching between the metrological device and the series of devices.
Referring to CN102620764A, the prior art discloses an automatic test system statistics verification apparatus, which is a metering verification apparatus based on GPIB and VXI mixed bus, and includes a control computer, a standard instrument and a verification adapter, wherein the control computer and the standard instrument are both required to be configured with GPIB communication interface, and can only perform metering verification on equipment configured with ARINC608A interface.
At present, a notebook computer or a desktop computer is generally only provided with a LAN and a USB communication interface, and a standard instrument is also generally only provided with a LAN, a USB or an RS232 communication interface, which brings difficulty to the compatibility of the control computer and the communication interface of the standard instrument, and meanwhile, a metrological verification device cannot meet the requirements of interface interconnection and signal matching between the metrological verification device and series equipment.
The invention aims to solve the problems of poor verification effect, single verification means, single automation degree, incapability of automatic matching and the like commonly existing in the field.
Disclosure of Invention
The invention aims to provide an intelligent instrument and meter verification system and method aiming at the defects.
The invention adopts the following technical scheme:
an intelligent instrument and meter calibration system comprises a detection device, a processing device, a scheduling device, a recognition device, a measurement device, a server and a processor,
the processor is respectively in control connection with the server, the detection device, the processing device, the scheduling device, the identification device and the measurement device;
the detection device is used for detecting the instrument to acquire data of the instrument;
the identification device identifies various instruments so as to collect the models of the instruments;
the scheduling means schedules out data associated with the meter based on the data identified by the identifying means; the measuring device is used for connecting the interfaces of all the verification instruments to acquire data in all the instruments; the processing device is used for analyzing the data measured by the detection device to obtain the test result of the instrument;
the server is respectively connected with the processor, the detection device, the identification device, the processing device, the scheduling device, the measuring device and the identification device to form a data management platform for instrument verification;
the detection device comprises a detection mechanism and a storage unit, wherein the detection mechanism is used for connecting an instrument to be detected and collecting data of the instrument; the storage unit is used for storing the data collected by the detection mechanism; the detection mechanism comprises a detection unit and a state activation unit, and the state activation unit activates the state of the detection unit to realize the measurement of different parameters.
The detection unit comprises a collector and an analysis module, wherein the collector collects operation data of a detection period T of the instrument to be detected so as to generate an operation data matrix Chatter;
wherein m is the number of sampling points, n is the number of monitoring segments, aijA jth assay data segment representing an ith monitoring segment;
comparing each data in the operation data matrix with each comparison data segment H in the historical data matrix FairjiComparing to obtain the abnormal degree Abnormal; wherein the degree of profile is calculated according to the following formula:
wherein m is the number of sampling points, and n is the number of monitoring segments; hjiRepresenting elements in a historical data matrix; g is a correction coefficient used for filtering abnormal measurement values;
for the determination of the correction coefficient G, the following is satisfied:
wherein A isfThe theoretical deviation value allowed by the instrument to be detected is obtained; v is the number of the verification data collected by the collector in one detection period; f is the variation of the theoretical deviation value and the actual measured value; and B is a set filtering threshold value. Optionally, the identification device includes an identification probe and a mobile terminal, and the identification probe is disposed on the mobile terminal to identify an image of the instrument to be calibrated; the mobile terminal establishes a historical overhaul record associated with the instrument based on the image data of the identification probe; the mobile terminal comprises a display panel and a control menu, wherein the display panel is used for displaying display contents; the control menu is arranged on the peripheral side of the display panel to collect the control operation of a user; and acquiring data of the verification instrument through the identification probe, and scheduling the verification record corresponding to the instrument through the scheduling device.
Optionally, the scheduling device includes a scheduling mechanism and a pushing mechanism, and the scheduling mechanism schedules data in the server based on the identification data of the identification device to obtain relevant data of the meter; the pushing mechanism pushes the scheduled historical verification data to the mobile terminal according to the data of the scheduling mechanism, marks the verification data as an active state, and records the detection record of the detection device in real time;
the pushing mechanism verifies the identity of the mobile terminal after receiving the scheduling request of the identification probe, and pushes the verification record of the instrument if the mobile terminal is authorized so as to be visually checked by the user.
Optionally, the processing device includes a processing mechanism and a data storage module, and the processing mechanism analyzes the data measured by the detection device; the data storage module stores the processing result of the processing mechanism; the processing mechanism comprises an early warning module and a report module, and the early warning module is used for triggering early warning on the analysis result; the report module is used for generating the verified record for printing by a user; the reporting module is further configured to update the historical service record; if the meter is replaced, the record for that meter will be locked.
Optionally, the measuring apparatus includes a connection module and a conversion module, where the connection module is used for providing connection interfaces for various instruments and acquiring actual data of each connection interface; the conversion module converts the actual data acquired by the connection module into standard signals; the connection module and the conversion module are respectively connected with the processing mechanism and the data storage module so as to store the operation data of the instrument.
Optionally, the data management platform includes a plurality of types of measuring instruments, a positioning module and a communication module, the positioning module establishes a positioning transmission path with each measuring instrument, and sends position information to the data management platform when the measuring instruments are used; the communication module and the measuring device establish a data connection path to acquire data of each instrument to be measured; various kinds of measuring instruments are used for measuring various instruments.
In addition, an intelligent instrument and meter calibration method is also provided, and comprises the following steps:
step 1: the method comprises the steps that ID data of an instrument are identified through a mobile terminal, the dispatching of maintenance history is triggered, and a verification record of the instrument is obtained according to verification history data, wherein the verification record comprises verification time, verification type, problems and maintainers;
step 2: determining the type of the verification on the basis of step1, and connecting a data interface of the instrument with a data management platform to acquire the running state of the instrument in a detection period;
step 3: on the basis of step2, transmitting the acquired data to a processing device for processing, and obtaining a verification result; if the verification result is that the instrument needs to be replaced, triggering an application for instrument verification, submitting a request for instrument verification to the management platform, verifying after the administrator agrees, and recording verification records of the management platform;
step 4: on the basis of step3, after the verification record is finished, uploading the verification record, and updating the verification record of the instrument; if the instrument needs to be replaced, the application for the abnormal fault of the instrument is triggered, the replacement is executed after the authorization of the data management platform, and the record of the replaced instrument is locked.
Optionally, the verification method further includes, if the verification is performed on site, step1, returning to the original position after the instrument to be verified is disassembled, cleaned or maintained.
Optionally, the assay method further comprises: if the detection is off-line, in step1, the meter to be detected is detached from the original pipeline connection and cleaned, then the separated meter to be detected is connected between the upstream connecting pipe and the downstream connecting pipe, then the other ends of the upstream connecting pipe and the downstream connecting pipe are connected to the front valve of the fixed meter to be detected and the rear valve of the meter to be detected through the quick connecting device, and the meter to be detected is detected on line.
The beneficial effects obtained by the invention are as follows:
1. by adopting each interface provided by the measuring device, the data of various types of instruments can be connected with the detecting device, so that the data of various types of instruments can be acquired by the detecting device;
2. the identity of the mobile terminal is verified by adopting the scheduling device, so that data is pushed to the mobile terminal, and the convenience of receiving instrument historical data or executing tasks by the mobile terminal is effectively improved;
3. activating the detection unit by using the state activation unit so that the detection unit is matched with the meter; a prompt is triggered to a maintainer, so that the maintainer can quickly verify the instrument, and the efficiency of verifying the instrument is improved;
4. the instrument is transferred to the processing device for processing and analysis by adopting the transfer of the calibrating device, so that the instrument can be calibrated more accurately and reliably;
5. the verification records of each instrument can be stored by labeling the verification data of each instrument, so that the verification records of each instrument can be inquired;
6. through detection device is right the instrument detects, makes the operation data of instrument can be by accurate discernment to compare through the operation data with the standard, in order to obtain the examination data difference of waiting to examine the instrument, if need carry out the operation of examining and determine again, then right the instrument carries out new examination, makes the count of instrument or measurement more accurate reliable.
For a better understanding of the features and technical content of the present invention, reference should be made to the following detailed description of the invention and accompanying drawings, which are provided for purposes of illustration and description only and are not intended to limit the invention.
Drawings
The invention will be further understood from the following description in conjunction with the accompanying drawings. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the embodiments. Like reference numerals designate corresponding parts throughout the different views.
FIG. 1 is a schematic control flow diagram of the present invention.
FIG. 2 is a block diagram of the present invention.
Fig. 3 is a schematic structural diagram of the instrument to be calibrated, the collector and the calibrating device.
Fig. 4 is a schematic structural diagram of the collector of the present invention.
Fig. 5 is a schematic view of an application scenario in which a sensor is disposed on the inductive loop.
Fig. 6 is a schematic view of another application scenario in which a sensor is disposed on the inductive loop.
Fig. 7 is a schematic structural diagram of the mobile terminal according to the present invention.
The reference numbers illustrate: 1-a mobile terminal; 2-control menu; 3-a display panel; 4-a collector; 5-connecting wires; 6-the instrument to be detected; 7-an interface; 8-a measuring device; 9-an induction loop; 10-a pipeline; 11-a hinge; 12-a fixation rod; 13-an upper support bar; 14-a lower support bar; 15-a locking member; 16-sensor.
Detailed Description
The following is a description of embodiments of the present invention with reference to specific embodiments, and those skilled in the art will understand the advantages and effects of the present invention from the disclosure of the present specification. The invention is capable of other and different embodiments and its several details are capable of modification in various other respects, all without departing from the spirit and scope of the present invention. The drawings of the present invention are for illustrative purposes only and are not intended to be drawn to scale. The following embodiments will further explain the related art of the present invention in detail, but the disclosure is not intended to limit the scope of the present invention.
The first embodiment.
According to fig. 1, 2, 3, 4, 5, 6 and 7, the present embodiment provides an intelligent instrument verification system, which includes a detection device, a processing device, a scheduling device, an identification device, a measurement device, a server and a processor,
the processor is respectively in control connection with the server, the detection device, the processing device, the scheduling device, the identification device and the measuring device, and is used for accurately calibrating each instrument to be authenticated under the centralized control of the processor; meanwhile, the server is respectively connected with the processor, the detection device, the identification device, the processing device, the scheduling device, the measuring device and the identification device to form a data management platform for instrument verification;
before the instrument to be calibrated is calibrated, the instrument is photographed through the recognition device so as to determine the type of the instrument to be calibrated; at the moment, the identification device acquires the identification ID data of the instrument to be detected and submits a scheduling application to the scheduling device, so that the historical verification record of the instrument is called out for the maintenance personnel to maintain, the maintenance personnel can perform re-verification on the historical verification position, and the safety of the instrument is effectively improved; meanwhile, in the process of calibrating each instrument, the instrument is detected through the detection device, so that the operation data of the instrument can be accurately identified, the operation data of the instrument to be calibrated is compared with the standard operation data to obtain the calibration data difference of the instrument to be calibrated, and if the re-calibration operation needs to be executed, the instrument is calibrated again, so that the counting or metering of the instrument is more accurate and reliable;
as shown in step 100 of fig. 1, the identification device identifies various meters to collect models of the meters; after the identification device identifies the instrument, the data of the instrument is scheduled through the scheduling device, so that the data of the instrument can be scheduled and can be provided for reference or reference of a maintainer; the identification device, the scheduling device, the processor and the server form a closed loop, so that the verification history of the instrument is referred, and the verification of the instrument is effectively prevented from being missed or abnormal;
the scheduling means schedules out data associated with the meter based on the data identified by the identifying means; after the historical data of the instrument is checked, if the abnormality identical to the historical data does not occur, the instrument is detected through the detection device; the detection device is used for detecting the instrument to acquire data of the instrument; the measuring device is used for connecting the interfaces of all the verification instruments to acquire data in all the instruments; the measuring device and the detecting device are matched with each other, so that data of the instrument can be collected; the data of various types of instruments can be connected with the detection device through various interfaces provided by the measurement device, so that the data of various types of instruments can be acquired by the detection device; the processing device is used for analyzing the data measured by the detection device to obtain the test result of the instrument;
in addition, by using the above devices and following the steps of 100-103 in fig. 1, the result of the verification test can be output;
optionally, the identification device includes an identification probe and a mobile terminal, and the identification probe is disposed on the mobile terminal to identify an image of the instrument to be calibrated; the mobile terminal establishes a historical overhaul record associated with the instrument based on the image data of the identification probe; wherein the image contains ID data of the meter, so that the mobile terminal can generate a scheduling request according to the ID data; in addition, the identification device further comprises a communication unit, the communication unit is arranged on the mobile terminal, and after the scheduling instruction is generated, a scheduling request is sent to the scheduling device through the communication unit, so that the scheduling device can respond to the scheduling request and execute issuing of the historical verification record of the instrument; at this time, a maintainer can check or retrieve the history; in the example, the identification device is respectively connected with the server and the processor to establish an associated network for data transmission or retrieval;
the mobile terminal comprises a display panel and a control menu, wherein the display panel is used for displaying display contents; the control menu is arranged on the peripheral side of the display panel to collect the control operation of a user; acquiring data of a verification instrument through the identification probe, and scheduling a verification record corresponding to the instrument through the scheduling device; the control menu is arranged on the display panel and used for assisting the display panel, and when the maintainer operates the display panel, the display panel obtains the required data input of the maintainer; when the maintenance person checks the maintenance record of the instrument, the maintenance person can turn up or down through the display panel; meanwhile, the maintainer can also operate the control menu to input required data or execute operation; the display panel is a touch screen which can be contacted;
optionally, the scheduling device includes a scheduling mechanism and a pushing mechanism, and the scheduling mechanism schedules data in the server based on the identification data of the identification device to obtain relevant data of the meter; the pushing mechanism pushes the scheduled historical verification data to the mobile terminal according to the data of the scheduling mechanism, marks the verification data as an active state, and records the detection record of the detection device in real time;
the pushing mechanism verifies the identity of the mobile terminal after receiving the scheduling request of the identification probe, and pushes the verification record of the instrument for the user to visually check if the mobile terminal is authorized;
the scheduling mechanism comprises a pairing module and a scheduling module, wherein the pairing module is used for pairing the mobile terminals to establish a scheduling mapping relation; the scheduling module triggers a response to the historical data of the instrument in the scheduling request according to the scheduling request of the mobile terminal and the scheduling mapping relation;
in the process of executing the scheduling task, determining a scheduling request of the mobile terminal; determining a plurality of server interface agents available to serve scheduling requests of the mobile terminal;
the scheduling request includes, but is not limited to, the following listed ones: a request scheduling time, wherein determining a plurality of server interface agents available to service a client scheduling request is limited based on the request scheduling time; if the scheduling time is different, different interface agents are allocated, so that the server can respond to the scheduling request of the mobile terminal;
the pushing mechanism comprises a verification module and a pushing module, wherein the verification module is used for verifying the identity of the mobile terminal so as to push data to the mobile terminal, and the convenience of receiving instrument historical data or executing tasks by the mobile terminal is effectively improved; the pushing module pushes historical data and execution task data to a communication channel of the mobile terminal after the execution data passes the verification of the verification module; wherein the communication channel is based on a communication link established at the time of a scheduling request of each mobile terminal with the server;
the verification module responds to the received pairing request of the identification device, verifies the information of the identification device, and generates a token verified by the server and an identifier verified by the server if the verification is passed; the push module triggers a data push request to the notification server to register a self-defined push notification protocol verified by the server after the verification of the verification module is passed,
the data push request comprises a token, platform information of the mobile terminal and an identification of server verification, and the verification module is used for informing the server to store the token, the platform information of the mobile terminal and the server verification identification which is a credible server verification list associated with the token in the server;
sending an authorized push message allowing server verification to a network server verified by a server, wherein the authorized push message is a notification for sending push to the mobile terminal through the server;
the authorization push message comprises a token; in addition, the push module causes the network server to send an authorization password containing the token and the server authentication identification to the notification server in response to the notification event; wherein the notification event is established based on a scheduling request triggered by the mobile terminal;
after receiving the token and the server verification identification, the notification server maps the token received by the authorization password to the token stored in the server, establishes a trusted server verification identification matched with the server verification identification stored by the notification server as a part of the list in response to the server verification identification received by the authorization password, and outputs a push notification to the mobile terminal according to a notification protocol; the trusted server verifies that the identification is the mobile terminal association corresponding to the token in the server;
optionally, the data management platform includes a plurality of types of measuring instruments, a positioning module and a communication module, the positioning module establishes a positioning transmission path with each measuring instrument, and sends position information to the data management platform when the measuring instruments are used; the communication module and the measuring device establish a data connection path to acquire data of each instrument to be measured; the measuring instruments of various types are used for measuring various instruments; the various meters detect parameters including, but not limited to: vibration, flow, concentration, noise, offset, and the like; the measuring instruments and the detection device are matched with each other to measure various instruments;
optionally, the measuring apparatus includes a connection module and a conversion module, where the connection module is used for providing connection interfaces for various instruments and acquiring actual data of each connection interface; the conversion module converts the actual data acquired by the connection module into standard signals; the connection module and the conversion module are respectively connected with the processing mechanism and the data storage module so as to store the operation data of the instrument; in addition, the measuring device and a communication module data transmission channel of the data management platform are used for collecting data of each measured instrument; the conversion module converts each path of data acquired by the connection module, so that each path of data obtains a stable standard signal; wherein the conversion module may further perform operations including, but not limited to, the following: signal filtering, noise reduction, amplification, format conversion and conversion to a standard signal (4-20 ma.dc or 1-5 v.dc);
the conversion module is used for transmitting data, so that the processing efficiency is improved when the processing mechanism analyzes each path of data;
the detection device comprises a detection mechanism and a storage unit, wherein the measurement mechanism is used for connecting an instrument to be calibrated and collecting data of the instrument; the storage unit is used for storing the data collected by the measuring mechanism; the measuring mechanism comprises a detecting unit and a state activating unit, and the state activating unit activates the state of the detecting unit to measure different parameters; after the type or the identity of the instrument to be calibrated is determined through the identification device, the processor compares the identity of the instrument with type data in the server to determine calibration of the instrument, and at the moment, the state activation unit activates the detection unit to enable the detection unit to be matched with the instrument; a prompt is triggered to a maintainer, so that the maintainer can quickly verify the instrument, and the efficiency of verifying the instrument is improved;
the detection unit comprises a collector and an analysis module, wherein the collector acquires and collects operation data of a detection period T of the instrument to be calibrated so as to generate an operation data matrix Chatter;
wherein m is the number of sampling points, n is the number of monitoring segments, aijA jth assay data segment representing an ith monitoring segment;
comparing each data in the operation data matrix with each comparison data segment H in the historical data matrix FairjiComparing to obtain the abnormal degree Abnormal; wherein the degree of profile is calculated according to the following formula:
wherein m is the number of sampling points, and n is the number of monitoring segments; hjiRepresenting elements in a historical data matrix; g is continuous verification data recognized by the collector in one recognition period;
for the determination of the correction coefficient G, the following is satisfied:
wherein A isfThe theoretical deviation value allowed by the instrument to be detected is obtained; v is the number of the verification data collected by the collector in one detection period; f is the variation of the theoretical deviation value and the actual measured value; b is a set filtering threshold value; a. thefTo meet the requirement of f when selecting<Substituting the condition of B into the formula to determine the value of G;
the collector comprises an induction ring, a fixing unit and a supporting unit, wherein the fixing unit fixes the induction ring, various sensors are arranged on the induction ring, the supporting unit comprises an upper supporting rod, a lower supporting rod and a locking member, one end of the upper supporting rod and one end of the lower supporting rod are hinged with each other to form a hinged part, and when a pipeline is clamped, the hinged part rotates along the axis of the hinged part; the locking component is arranged at the other end of the lower support and locks the upper support rod so as to enable the upper support rod to be nested on a pipeline of the instrument to be detected; wherein the upper support rod and the lower support rod are arranged in a semi-ring shape;
during verification, setting the upstream and the downstream of the instrument to be verified, and simultaneously verifying the materials transported in the pipeline;
the fixing unit is arranged on the supporting unit and comprises a plurality of fixing rods, and each fixing rod penetrates through the upper supporting rod and the lower supporting rod of the supporting unit and limits and abuts against the induction ring; in addition, the inner wall of the induction ring is provided with a base for placing each calibration parameter, and each base is provided with a sensor, so that the material transported by the pipeline can enter water for calibration so as to verify the accuracy of the instrument; meanwhile, each sensor arranged in the induction ring can be connected with an external measuring device and the detecting device through connecting wires, so that the data of the instrument to be detected can be detected; in the embodiment, the selected collectors are different according to the difference between different instruments to be detected; such sensors include, but are not limited to, the following: vibration sensors, flow sensors, and the like; it should be noted that before calibrating different instruments, a proper collector needs to be selected and calibrated according to the measured values of the collected collector, so as to improve the calibration efficiency of the instruments;
in addition, interfaces are arranged on the instrument to be calibrated and the collector and are connected with the calibrating device through connecting wires, so that data on the instrument to be calibrated and the collector can be transmitted to the calibrating device and transmitted to the processing device for processing and analysis after being transferred by the calibrating device, and the instrument can be calibrated more accurately and reliably;
optionally, the processing device includes a processing mechanism and a data storage module, and the processing mechanism analyzes the data measured by the detection device; the data storage module marks the processing result of the processing mechanism to generate a storage label which is expected to correspond to the processing result; the processing mechanism comprises an early warning module and a report module, and the early warning module is used for triggering early warning on the analysis result; the report module is used for generating the verified record for printing by a user; the reporting module is further configured to update the historical service record; if the meter is replaced, the record for the meter will be locked; the verification records of each instrument can be stored by processing each verification data and labeling, so that the verification records of each instrument can be inquired;
in addition, an intelligent instrument and meter calibration method is also provided, and comprises the following steps:
step 1: the method comprises the steps that ID data of an instrument are identified through a mobile terminal, the dispatching of maintenance history is triggered, and a verification record of the instrument is obtained according to verification history data, wherein the verification record comprises verification time, verification type, problems and maintainers;
step 2: determining the type of the verification on the basis of step1, and connecting a data interface of the instrument with a data management platform to acquire the running state of the instrument in a detection period;
step 3: on the basis of step2, transmitting the acquired data to a processing device for processing, and obtaining a verification result; if the verification result is that the instrument needs to be replaced, triggering an application for instrument verification, submitting a request for instrument verification to the management platform, verifying after the administrator agrees, and recording verification records of the management platform;
step 4: on the basis of step3, after the verification record is finished, uploading the verification record, and updating the verification record of the instrument; if the instrument needs to be replaced, triggering application for abnormal faults of the instrument, and executing replacement after authorization of the data management platform, wherein the record of the replaced instrument is locked;
optionally, the assay method further comprises: if the on-site verification mode is adopted, the instrument to be verified is disassembled, cleaned or maintained and then returned to the original position in step 1;
optionally, the assay method further comprises: if an off-line verification mode is adopted, in step1, the metering device to be verified is detached from the original pipeline connection and cleaned, then the separated metering device to be verified is connected between the upstream connecting pipe and the downstream connecting pipe, then the other ends of the upstream connecting pipe and the downstream connecting pipe are connected to the front valve of the fixed metering device to be verified and the rear valve of the metering device to be verified through the quick connecting devices, and the metering device to be verified is verified on line; at the moment, the detection unit is connected with the instrument to be calibrated, so that the same detection amount is simultaneously calibrated in the calibration process of the detection unit and the instrument to be calibrated, and the abnormity of the instrument to be calibrated is obtained by comparing the difference value between the detection unit and the instrument to be calibrated;
example two.
This embodiment should be understood to include at least all the features of any one of the embodiments described above and further modified therefrom, with reference to fig. 1, 2, 3, 4, 5, 6 and 7, and in that the certification system further includes a reminder, wherein the reminder is used to remind the serviceman to perform certification or maintenance on the meter; the reminding device comprises a task sending module and a reminding module, and the reminding module is used for reminding the maintenance personnel of a verification or maintenance plan; the task dispatching module issues tasks based on the verification schedule or the maintenance schedule; the verification schedule or the maintenance schedule is sorted according to the time sequence, and the closer verification schedule or the maintenance schedule is given higher weight;
the task dispatching module is configured to dispatch a maintainer, and meets the following requirements:
wherein SET _ task (t, D) is the calculated deployment value of the maintainer for t times; t is the maintenance times, D is the number of tasks of the verification schedule or the maintenance schedule, and a positive integer is taken; if the allocation value is larger, the task is dispatched faster: u (t, D) is the latest distribution efficiency obtained by a maintainer in the number of times of overhaul t;
r (t, D) is the historical deployment rate; level (k) is the amount of serviceman offset, k represents the serviceman's rating; meanwhile, the higher the grade of the maintainer is, the higher the level (k) value is;
for u (t, D) the latest allocation efficiency that the serviceman can get t times, there are:
wherein A is1Scheduling efficiency for history before scheduling is not performed; a. the2For the most recently received allocation efficiency threshold, the efficiency threshold is associated with the level of the serviceman, namely: different levels of maintenance personnel correspond to different efficiency thresholds; alpha is an evaluation calibration factor, and the value range is as follows: 0.0376-2.364;
for R (t, D) as the historical deployment rate, there is:
wherein R (t, D) is the repair person's assigned rate of the current dispatch; r (t-1, D) is the historical allocation rate of the maintainers in the number of overhauls t-1, R1(t, D) is the scheduling rate applied by the maintainer in the current overhaul times t,
the value range is the following as a filtering factor: 5.127-10.297, used for interfering with non-relevant deployment factors;
updating the arrangement order of the allocation values so that the allocation values are arranged according to the order from big to small;
the verification schedule or the maintenance schedule is sorted according to the time sequence, and the closer verification schedule or the maintenance schedule is given higher weight;
establishing a mapping relation between the allocation values and the task allocation, and allocating according to the allocation value sequence and the criticality of the task allocation, so that each maintainer can perform verification operation according to the task allocation;
wherein the task assignments are arranged based on a time series;
sequencing based on a verification or maintenance schedule and a deployment value SET _ task (t, D), dispatching tasks to the maintainers according to the sequencing, and further improving the verification efficiency of the maintainers to the instrument;
the reminding module triggers reminding based on the approach degree of the task maintenance time in the verification schedule or the maintenance schedule;
the time node of the reminding satisfies the following conditions:
wherein, the date is a time node set by a verification schedule or an overhaul schedule; SETPion is a real-time node; END is a verification early warning time threshold value, and the value of the END is manually preset according to the interval of actual early warning reminding.
The disclosure is only a preferred embodiment of the invention, and is not intended to limit the scope of the invention, so that all equivalent technical changes made by using the contents of the specification and the drawings are included in the scope of the invention, and further, the elements thereof can be updated as the technology develops.
Claims (9)
1. An intelligent instrument and meter calibration system is characterized by comprising a detection device, a processing device, a scheduling device, a recognition device, a measuring device, a server and a processor,
the processor is respectively in control connection with the server, the detection device, the processing device, the scheduling device, the identification device and the measurement device;
the detection device is used for detecting the instrument to acquire data of the instrument;
the identification device identifies various instruments so as to collect the models of the instruments;
the scheduling means schedules out data associated with the meter based on the data identified by the identifying means; the measuring device is used for connecting the interfaces of all the verification instruments to acquire data in all the instruments;
the processing device is used for analyzing the data measured by the detection device to obtain the test result of the instrument;
the server is respectively connected with the processor, the detection device, the identification device, the processing device, the scheduling device, the measuring device and the identification device to form a data management platform for instrument verification;
the detection device comprises a detection mechanism and a storage unit, wherein the detection mechanism is connected with an instrument to be detected and used for collecting data of the instrument; the storage unit is used for storing the data collected by the detection mechanism; the detection mechanism comprises a detection unit and a state activation unit, and the state activation unit activates the state of the detection unit to realize the measurement of different parameters;
the detection unit comprises a collector and an analysis module, wherein the collector collects operation data of a detection period T of the instrument to be detected so as to generate an operation data matrix Chatter;
wherein m is the number of sampling points, n is the number of monitoring segments, aijA jth assay data segment representing an ith monitoring segment;
comparing each data in the operation data matrix with each comparison data segment H in the historical data matrix FairjiComparing to obtain the abnormal degree Abnormal; wherein the degree of profile is calculated according to the following formula:
wherein m is the number of sampling points, and n is the number of monitoring segments; hjiRepresenting elements in a historical data matrix; g is a correction coefficient used for filtering abnormal measurement values;
for the determination of the correction coefficient G, the following is satisfied:
wherein A isfThe theoretical deviation value allowed by the instrument to be detected is obtained; v is the number of the verification data collected by the collector in one detection period; f is the variation of the theoretical deviation value and the actual measured value; and B is a set filtering threshold value.
2. The system as claimed in claim 1, wherein the identification device comprises an identification probe and a mobile terminal, the identification probe is disposed on the mobile terminal to identify the image of the meter to be calibrated; the mobile terminal establishes a historical overhaul record associated with the instrument based on the image data of the identification probe; the mobile terminal comprises a display panel and a control menu, wherein the display panel is used for displaying display contents; the control menu is arranged on the peripheral side of the display panel to collect the control operation of a user; and acquiring data of the verification instrument through the identification probe, and scheduling the verification record corresponding to the instrument through the scheduling device.
3. The system as claimed in claim 2, wherein the scheduling means comprises a scheduling mechanism and a pushing mechanism, the scheduling mechanism schedules the data in the server based on the identification data of the identification means to obtain the relevant data of the meter; the pushing mechanism pushes the scheduled historical verification data to the mobile terminal according to the data of the scheduling mechanism, marks the verification data as an active state, and records the detection record of the detection device in real time;
the pushing mechanism verifies the identity of the mobile terminal after receiving the scheduling request of the identification probe, and pushes the verification record of the instrument if the mobile terminal is authorized so as to be visually checked by the user.
4. The system as claimed in claim 3, wherein the processing means comprises processing means and a data storage module, the processing means analyzing the data measured by the detection means; the data storage module stores the processing result of the processing mechanism; the processing mechanism comprises an early warning module and a report module, and the early warning module is used for triggering early warning on the analysis result; the report module is used for generating the verified record for printing by a user; the reporting module is further configured to update the historical service record; if the meter is replaced, the record for that meter will be locked.
5. The system as claimed in claim 4, wherein the measuring device comprises a connection module and a conversion module, the connection module is used for providing connection interfaces for various instruments and acquiring actual data of each connection interface; the conversion module converts the actual data acquired by the connection module into standard signals; the connection module and the conversion module are respectively connected with the processing mechanism and the data storage module so as to store the operation data of the instrument.
6. The system as claimed in claim 5, wherein the data management platform comprises a plurality of types of measuring instruments, a positioning module and a communication module, the positioning module establishes a positioning transmission path with each measuring instrument and transmits position information to the data management platform when the measuring instruments are used; the communication module and the measuring device establish a data connection path to acquire data of each instrument to be measured; various kinds of measuring instruments are used for measuring various instruments.
7. An intelligent instrument verification method, which is applied to the intelligent instrument verification system according to claim 6, wherein the verification method comprises the following steps:
step 1: the method comprises the steps that ID data of an instrument are identified through a mobile terminal, the dispatching of maintenance history is triggered, and a verification record of the instrument is obtained according to verification history data, wherein the verification record comprises verification time, verification type, problems and maintainers;
step 2: determining the type of the verification on the basis of step1, and connecting a data interface of the instrument with a data management platform to acquire the running state of the instrument in a detection period;
step 3: on the basis of step2, transmitting the acquired data to a processing device for processing, and obtaining a verification result; if the verification result is that the instrument needs to be replaced, triggering an application for instrument verification, submitting a request for instrument verification to the management platform, verifying after the administrator agrees, and recording verification records of the management platform;
step 4: on the basis of step3, after the verification record is finished, uploading the verification record, and updating the verification record of the instrument; if the instrument needs to be replaced, the application for the abnormal fault of the instrument is triggered, the replacement is executed after the authorization of the data management platform, and the record of the replaced instrument is locked.
8. The method as claimed in claim 7, wherein the method further comprises step1, if the verification is performed on site, the meter to be verified is disassembled, cleaned or maintained and then returned to its original position.
9. The method of claim 8, wherein the method further comprises: if the detection is off-line, in step1, the meter to be detected is detached from the original pipeline connection and cleaned, then the separated meter to be detected is connected between the upstream connecting pipe and the downstream connecting pipe, then the other ends of the upstream connecting pipe and the downstream connecting pipe are connected to the front valve of the fixed meter to be detected and the rear valve of the meter to be detected through the quick connecting device, and the meter to be detected is detected on line.
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