CN106412110A - Remote calibration device and method of fiber grating demodulation equipment - Google Patents
Remote calibration device and method of fiber grating demodulation equipment Download PDFInfo
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- CN106412110A CN106412110A CN201610998168.5A CN201610998168A CN106412110A CN 106412110 A CN106412110 A CN 106412110A CN 201610998168 A CN201610998168 A CN 201610998168A CN 106412110 A CN106412110 A CN 106412110A
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- 239000000835 fiber Substances 0.000 title claims abstract description 58
- 238000000034 method Methods 0.000 title claims abstract description 23
- 238000005259 measurement Methods 0.000 claims abstract description 16
- 230000008569 process Effects 0.000 claims abstract description 11
- 230000003993 interaction Effects 0.000 claims abstract 2
- 238000012360 testing method Methods 0.000 claims description 24
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000003287 optical effect Effects 0.000 claims description 4
- 238000004364 calculation method Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 3
- 238000012790 confirmation Methods 0.000 claims description 2
- 238000012795 verification Methods 0.000 claims description 2
- 238000012544 monitoring process Methods 0.000 abstract description 5
- 238000012546 transfer Methods 0.000 abstract description 3
- 238000004164 analytical calibration Methods 0.000 abstract description 2
- 230000007547 defect Effects 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
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- 238000004458 analytical method Methods 0.000 description 1
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- 238000007796 conventional method Methods 0.000 description 1
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- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000001052 transient effect Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- 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
- G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
- G01D5/26—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light
- G01D5/32—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light
- G01D5/34—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells
- G01D5/353—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable characterised by optical transfer means, i.e. using infrared, visible, or ultraviolet light with attenuation or whole or partial obturation of beams of light the beams of light being detected by photocells influencing the transmission properties of an optical fibre
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Abstract
The invention relates to the instrument calibration field, particularly to a remote calibration device and method of fiber grating demodulation equipment. The calibration device comprises a standard transfer element for providing a standard measurement value, a metering standard for calibrating the measurement value of the standard transfer element, a mobile terminal with preloaded calibration software, and a server for information interaction with the mobile terminal. According to the invention, remote calibration of fiber grating demodulation equipment is realized; whole-course monitoring is carried out, thereby guaranteeing fairness and security of the remote calibration process; and because of checking and comparison, effectiveness and security of the remote calibration result are guaranteed. Defects caused by employment of an submission inspection metering way and a field metering way by the fiber grating demodulation equipment can be overcome; the metering time is saved; and the metering cost is lowered.
Description
Technical field
The present invention relates to instrument calibration field is and in particular to a kind of fiber Bragg grating (FBG) demodulator remote calibration device and method.
Background technology
Fiber Bragg grating (FBG) demodulator is widely used in bridge construction, hydraulic and electric engineering, Aero-Space, fire-fighting early warning, petrochemical industry
In field, it is possible to achieve remote distributed real-time state monitoring, in the structural health ensureing large scale civil engineering and military equipment
Aspect plays an important role.For the calibration of fiber Bragg grating (FBG) demodulator, the metering method that can adopt at present has two kinds:One
It is censorship metering, as shown in figure 1, i.e. user delivers to metrological service fiber Bragg grating (FBG) demodulator, made by the metrological personnel of this mechanism
With measurement criteria, fiber Bragg grating (FBG) demodulator is calibrated, then provide calibration certificate;Two is situ metrology, as shown in Fig. 2 i.e.
The metrological personnel of metrological service carries higher leveled reference instrument and goes to user scene, in user's onsite application reference instrument to light
Fine grating demodulation instrument is calibrated, and calibration provides calibration certificate after terminating.For fiber Bragg grating (FBG) demodulator, using both
Metering method all haves the shortcomings that certain.This is because the cycle of censorship metering is longer, and fiber Bragg grating (FBG) demodulator is as monitoring
The nucleus equipment of system, within the whole censorship cycle, monitoring system will be unable to work, brings unpredictable security risk.And it is right
For situ metrology, because the use environment of fiber Bragg grating (FBG) demodulator is complex, calibration scene may be remote, traffic
Inconvenience, carries reference instrument and carries out the relatively costly of field calibration.
Content of the invention
According to the deficiencies in the prior art, the invention provides a kind of fiber Bragg grating (FBG) demodulator remote calibration device and method,
Realize the remote calibration to fiber Bragg grating (FBG) demodulator.
The fiber Bragg grating (FBG) demodulator remote calibration device of the present invention, including measurement criteria, standard transferring member, mobile terminal and
Server, wherein,
Described standard transferring member is used for providing typical magnitude, and is transported to user scene from metrological service, with fiber grating
(FBG) demodulator, mobile terminal are sequentially connected, and fiber Bragg grating (FBG) demodulator is calibrated;
Described measurement criteria is used for the value of standard transferring member is demarcated, and metrological service to standard transferring member from
Value before and after opening is verified respectively;
Described mobile terminal passes through network connection at user scene with server, and mobile terminal is preinstalled with calibration software,
For arranging the relevant parameter of fiber Bragg grating (FBG) demodulator, the observing and controlling instruction of the reception server and sending test number to server
According to;
Described server be located at metrological service, have fixing IP address, for store user authentication information, to
Mobile terminal sends observing and controlling instruction, receives and process the test data of mobile terminal transmission, and carries out and mobile terminal between
Information exchange.
Preferably, described mobile terminal pass through Ethernet interface or gpib interface or RS-232 interface or USB interface with
Fiber Bragg grating (FBG) demodulator connects, and described standard transferring member is connected with fiber Bragg grating (FBG) demodulator by optical patchcord.
The fiber Bragg grating (FBG) demodulator remote calibration method of the present invention, using such as above-mentioned fiber Bragg grating (FBG) demodulator remote calibration dress
Put, comprise the steps:
S1:Using measurement criteria, the value of standard transferring member is verified, the standard that mobile terminal and verification are passed through
Transferring member is transported to user scene;
S2:Run the calibration software of prepackage on mobile terminal, be connected with the server of metrological service by network, and verify
The identity information of user;
S3:User, according to the prompting of calibration software on mobile terminal, fiber Bragg grating (FBG) demodulator, mobile terminal and standard is passed
Pass part correctly to be connected;
S4:According to the difference of calibration item, change the relevant parameter of fiber Bragg grating (FBG) demodulator, server using calibration software
Observing and controlling instruction is sent to mobile terminal by network, calibration software gathers the test data of fiber Bragg grating (FBG) demodulator;
S5:Calibration software sends back server after encrypting test data, and is preserved in mobile terminal;
S6:Again the value of standard transferring member is verified using measurement criteria, and compare server and mobile terminal
The test data of upper storage, after confirmation is errorless, carries out the analytical calculation of uncertainty, and provides calibration certificate to test data.
Preferably, in above-mentioned steps S4, when the calibration condition at user scene is undesirable, server passes through net
Network to mobile terminal send observing and controlling instruction, calibration software gather fiber Bragg grating (FBG) demodulator test data process can at any time in
Only, the calibration condition at user scene can proceed after meeting requirement
The fiber Bragg grating (FBG) demodulator remote calibration device and method of the present invention, has the advantage that:
(1) calibration software is developed according to calibrating standard by metrological service, and prepackage on mobile terminals, and ran
In journey, complete monitoring is carried out by server it is ensured that the fairness of remote calibration process and security;
(2) standard transferring member and mobile terminal, together as Transfer Standards, before and after leaving and returning metrological service, measure
Personnel will verify to the value of standard transferring member, and the test data of storage on server and mobile terminal is compared
To it is ensured that the validity of remote calibration result and security;
(3) metrological personnel can implement remote calibration by network to fiber Bragg grating (FBG) demodulator, overcomes fiber grating solution
The shortcoming adjusting instrument to be existed using censorship metering and situ metrology both modes, is saved Dose times, reduces measuring cost.
Brief description
Fig. 1 is the censorship measurement structure schematic diagram of prior art;
Fig. 2 is the situ metrology structure principle chart of prior art;
Fig. 3 is the calibrating installation structure principle chart of the present invention.
Specific embodiment
The invention will be further described with example below in conjunction with the accompanying drawings:
Embodiment 1:
As shown in figure 3, the fiber Bragg grating (FBG) demodulator remote calibration device of the present embodiment, including measurement criteria 1, standard transmission
Part 2, mobile terminal 3 server 4, wherein,
Standard transferring member 2 is used for providing typical magnitude, and is transported to user scene 6 from metrological service 5, with fiber grating solution
Adjust instrument 7, mobile terminal 3 to be sequentially connected, fiber Bragg grating (FBG) demodulator 7 is calibrated;
Measurement criteria 1 is used for the value of standard transferring member 2 is demarcated, and metrological service 5 to standard transferring member 2 from
Value before and after opening is verified respectively;
Mobile terminal 3 passes through network connection at user scene 6 with server 4, and mobile terminal 3 is preinstalled with calibration software,
For arranging the relevant parameter of fiber Bragg grating (FBG) demodulator 7, the observing and controlling of the reception server 4 instructs and sends to server 4 and tests
Data;
Server 4 is located at metrological service 5, has fixing IP address, for storing authentication information, the Xiang Yi of user
Dynamic terminal 3 sends observing and controlling instruction, receives and process the test data of mobile terminal 3 transmission, and carries out and mobile terminal 3 between
Information exchange.
Embodiment 2:
As shown in Fig. 2 on the basis of embodiment 1, the mobile terminal 4 in the present embodiment passes through Ethernet interface or GPIB
Interface or RS-232 interface or USB interface are connected with fiber Bragg grating (FBG) demodulator 7, and standard transferring member 2 passes through optical patchcord and optical fiber
Grating demodulation instrument 7 connects.
Embodiment 3:
The present embodiment be using embodiment 1 or 2 fiber Bragg grating (FBG) demodulator remote calibration device to fiber Bragg grating (FBG) demodulator
The method carrying out remote calibration, comprises the steps:
Before leaving metrological service 5, metrological personnel is carried out to standard transferring member 2 standard transferring member 2 using measurement criteria 1
Verify, check whether its value is in the error burst of permission.
After validation criteria transferring member 2 value, mobile terminal 3 and standard transferring member 2 are transported to user scene 6.
User, after receiving mobile terminal 3 and standard transferring member 2, runs the calibration software of prepackage on mobile terminal 3, enters
Telnet interface, inputs correct username and password, is set up even by the server 4 of Internet and metrological service 5
Connect, server 4 is verified to the identity information of user, after being verified, user can modify account password, browse and go through
The operations such as history calibration information, submission calibration application.
After server 4 receives the calibration application of user, metrological personnel is controlled by server 4 to be calibrated on mobile terminal 3
The operation of software, user is according to the information in software running process by fiber Bragg grating (FBG) demodulator 7, mobile terminal 3 and standard
Transferring member 2 is correctly joined together, and wherein mobile terminal 3 passes through Ethernet interface or other interface (GPIB, RS-232, USB
Deng) be connected with fiber Bragg grating (FBG) demodulator 7, carried out even using optical patchcord between standard transferring member 2 and fiber Bragg grating (FBG) demodulator 7
Connect.
After the completion of connection, the calibration software on mobile terminal 3 receives the observing and controlling instruction from server 4, and observing and controlling is referred to
Order is forwarded to fiber Bragg grating (FBG) demodulator 7 after being parsed, and by mobile terminal, the test data collecting is forwarded to clothes simultaneously
Business device 4.In the process, calibration software reads facility information and the initial setting up parameter of fiber Bragg grating (FBG) demodulator 7 first, then
Data is activation is returned server 4.Metrological personnel, according to the difference of calibration item, enters to the relevant parameter of fiber Bragg grating (FBG) demodulator 7
Row change, then returns to mobile terminal 3, by the parameter to fiber Bragg grating (FBG) demodulator 7 for the calibration software execution on mobile terminal 3
Setting operation.After being provided with, fiber Bragg grating (FBG) demodulator 7 is tested to standard transferring member 2, and test data is by mobile terminal 3
On calibration software be acquired.
The encrypted latter aspect of test data sends back server 4 by Internet and is preserved, and on the other hand, surveys
Examination data is preserved on the storage medium of mobile terminal 3 simultaneously, and this operation is in backstage automatic running, invisible to user,
Can prevent test data from illegally being distorted.The typical magnitude of the standard transferring member 2 prestoring on test data and server 4 is carried out
When relatively, temporary transient calibration result can be with Real-time Feedback to user by mobile terminal 3;
In above process, metrological personnel controls the operation of calibration software on mobile terminal 3 all the time by server 4, uses
Family only needs to participate in some necessary operations according to information.If there being undesirable situation to occur in calibration process,
Metrological personnel can stop remote calibration work at any time, until the calibration condition at user scene 6 again meets requesting party and can continue
Carry out, reduce the Risk of calibrations bringing due to user's illegal operation or other reason to greatest extent it is ensured that whole remote calibration mistake
The safety of journey.
After the completion of the calibration operation at user scene 6, standard transferring member 2 and mobile terminal 3 are shipped back metrological service 5, metering
Librarian use measurement criteria 1 is verified to the value of standard transferring member 2 again.
Meanwhile, metrological personnel is compared to the test data of storage on server 4 and mobile terminal 3, all confirms errorless
Afterwards, analysis on Uncertainty calculating is carried out to test data, the fiber Bragg grating (FBG) demodulator 7 to data fit result of calculation, provide school
Permission book.
Described above to the disclosed embodiments, makes professional and technical personnel in the field be capable of or uses the present invention,
Multiple modifications to these embodiments will be apparent from for those skilled in the art.
It should be appreciated that the application is intended to any modification, purposes or the adaptations of the present invention, these changes
Type, purposes or adaptations follow the general principle of the present invention and to include the present invention undocumented in the art
Common knowledge or conventional techniques.
Claims (4)
1. a kind of fiber Bragg grating (FBG) demodulator remote calibration device is it is characterised in that include measurement criteria, standard transferring member, movement
Terminal server, wherein,
Described standard transferring member is used for providing typical magnitude, and is transported to user scene from metrological service, with fiber grating demodulation
Instrument, mobile terminal are sequentially connected, and fiber Bragg grating (FBG) demodulator is calibrated;
Described measurement criteria is used for the value of standard transferring member is demarcated, and before metrological service is left to standard transferring member
Value afterwards is verified respectively;
Described mobile terminal passes through network connection at user scene with server, mobile terminal is preinstalled with calibration software, is used for
The relevant parameter of setting fiber Bragg grating (FBG) demodulator, the observing and controlling of the reception server instruct and send test data to server;
Described server is located at metrological service, has fixing IP address, for storing the authentication information of user, to movement
Terminal sends observing and controlling instruction, receives and process the test data of mobile terminal transmission, and enters row information and mobile terminal between
Interaction.
2. as claimed in claim 1 a kind of fiber Bragg grating (FBG) demodulator remote calibration device it is characterised in that described mobile terminal
It is connected with fiber Bragg grating (FBG) demodulator by Ethernet interface or gpib interface or RS-232 interface or USB interface, described standard passes
Pass part to be connected with fiber Bragg grating (FBG) demodulator by optical patchcord.
3. a kind of fiber Bragg grating (FBG) demodulator remote calibration method is it is characterised in that use fiber grating as claimed in claim 1
(FBG) demodulator remote calibration device, comprises the steps:
S1:Using measurement criteria, the value of standard transferring member is verified, the standard transmission that mobile terminal and verification are passed through
Part is transported to user scene;
S2:Run the calibration software of prepackage on mobile terminal, be connected with the server of metrological service by network, and verify user
Identity information;
S3:User according to the prompting of calibration software on mobile terminal, by fiber Bragg grating (FBG) demodulator, mobile terminal and standard transferring member
Correctly connected;
S4:According to the difference of calibration item, change the relevant parameter of fiber Bragg grating (FBG) demodulator using calibration software, server passes through
Network sends observing and controlling instruction to mobile terminal, and calibration software gathers the test data of fiber Bragg grating (FBG) demodulator;
S5:Calibration software sends back server after encrypting test data, and is preserved in mobile terminal;
S6:Again the value of standard transferring member is verified using measurement criteria, and compare and deposit on server and mobile terminal
The test data of storage, after confirmation is errorless, carries out the analytical calculation of uncertainty, and provides calibration certificate to test data.
4. as claimed in claim 3 a kind of fiber Bragg grating (FBG) demodulator remote calibration method it is characterised in that:In described step S4
In, when the calibration condition at user scene is undesirable, server passes through network and sends observing and controlling instruction, calibration to mobile terminal
The process of the test data of software collection fiber Bragg grating (FBG) demodulator can stop at any time, and the calibration condition at user scene meets will
It is further continued for after asking carrying out.
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CN201610998168.5A CN106412110A (en) | 2016-11-14 | 2016-11-14 | Remote calibration device and method of fiber grating demodulation equipment |
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CN201610998168.5A CN106412110A (en) | 2016-11-14 | 2016-11-14 | Remote calibration device and method of fiber grating demodulation equipment |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108896091A (en) * | 2018-07-26 | 2018-11-27 | 吉林大学 | A kind of scaling method and system of fiber Bragg grating (FBG) demodulator |
CN111207908A (en) * | 2018-11-21 | 2020-05-29 | 上海电缆研究所有限公司 | Calibration grating for calibrating optical fiber test instrument and calibration method |
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CN101435859A (en) * | 2008-12-19 | 2009-05-20 | 广东省计量科学研究院 | Remote calibration method and system |
CN102062616A (en) * | 2010-12-14 | 2011-05-18 | 中国地质调查局水文地质环境地质调查中心 | Teletransmission-based embedded fiber bragg grating monitoring system |
CN105577753A (en) * | 2015-12-11 | 2016-05-11 | 中国计量学院 | Cloud service mode-based remote verification system of digital multimeter |
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2016
- 2016-11-14 CN CN201610998168.5A patent/CN106412110A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN101435859A (en) * | 2008-12-19 | 2009-05-20 | 广东省计量科学研究院 | Remote calibration method and system |
CN102062616A (en) * | 2010-12-14 | 2011-05-18 | 中国地质调查局水文地质环境地质调查中心 | Teletransmission-based embedded fiber bragg grating monitoring system |
CN105577753A (en) * | 2015-12-11 | 2016-05-11 | 中国计量学院 | Cloud service mode-based remote verification system of digital multimeter |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108896091A (en) * | 2018-07-26 | 2018-11-27 | 吉林大学 | A kind of scaling method and system of fiber Bragg grating (FBG) demodulator |
CN111207908A (en) * | 2018-11-21 | 2020-05-29 | 上海电缆研究所有限公司 | Calibration grating for calibrating optical fiber test instrument and calibration method |
CN111207908B (en) * | 2018-11-21 | 2021-09-21 | 上海电缆研究所有限公司 | Calibration grating for calibrating optical fiber test instrument and calibration method |
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