CN110068373A - A kind of fuel gas monitoring system and method based on fiber-optic grating sensor - Google Patents
A kind of fuel gas monitoring system and method based on fiber-optic grating sensor Download PDFInfo
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- CN110068373A CN110068373A CN201910316678.3A CN201910316678A CN110068373A CN 110068373 A CN110068373 A CN 110068373A CN 201910316678 A CN201910316678 A CN 201910316678A CN 110068373 A CN110068373 A CN 110068373A
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- drive rod
- monitoring system
- fiber
- overarm arm
- fuel gas
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- 238000012544 monitoring process Methods 0.000 title claims abstract description 51
- 239000002737 fuel gas Substances 0.000 title claims abstract description 26
- 238000000034 method Methods 0.000 title claims abstract description 15
- 239000007789 gas Substances 0.000 claims abstract description 65
- 230000003287 optical effect Effects 0.000 claims abstract description 30
- 239000000567 combustion gas Substances 0.000 claims abstract description 22
- 239000002184 metal Substances 0.000 claims description 26
- 229910052751 metal Inorganic materials 0.000 claims description 26
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 24
- 230000005294 ferromagnetic effect Effects 0.000 claims description 20
- 239000013307 optical fiber Substances 0.000 claims description 15
- 229910052742 iron Inorganic materials 0.000 claims description 12
- 230000005291 magnetic effect Effects 0.000 claims description 10
- 230000008859 change Effects 0.000 claims description 7
- 238000001228 spectrum Methods 0.000 claims description 7
- 238000002485 combustion reaction Methods 0.000 claims description 2
- 230000005307 ferromagnetism Effects 0.000 claims 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 1
- 239000010931 gold Substances 0.000 claims 1
- 229910052737 gold Inorganic materials 0.000 claims 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 10
- 239000000835 fiber Substances 0.000 description 9
- 238000012806 monitoring device Methods 0.000 description 8
- 230000006870 function Effects 0.000 description 7
- 230000033001 locomotion Effects 0.000 description 7
- 230000003993 interaction Effects 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 239000000956 alloy Substances 0.000 description 5
- 229910017052 cobalt Inorganic materials 0.000 description 5
- 239000010941 cobalt Substances 0.000 description 5
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 239000007769 metal material Substances 0.000 description 5
- 150000002739 metals Chemical class 0.000 description 5
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- 239000000463 material Substances 0.000 description 4
- 238000009825 accumulation Methods 0.000 description 3
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- 238000006243 chemical reaction Methods 0.000 description 3
- 230000007704 transition Effects 0.000 description 3
- 235000013399 edible fruits Nutrition 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
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- 238000005259 measurement Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
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Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/661—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters using light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
- G01F1/662—Constructional details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/06—Indicating or recording devices
- G01F15/061—Indicating or recording devices for remote indication
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
The embodiment of the invention discloses a kind of fuel gas monitoring system and method based on fiber-optic grating sensor, including mechanical gas table, wherein, the mechanical gas table includes the drive rod inside the mechanical gas table, wherein, when the pipeline of the gas meter, flow meter is passed through in the combustion gas of flowing, so that the drive rod moves back and forth；Wherein, the top of the drive rod is fixed with the first magnet block；The ontology of overarm arm is suspended in above the drive rod, and the overarm arm end is equipped with the second magnet block, and the inside of overarm arm is equipped with fiber-optic grating sensor；The optical signal from fiber-optic grating sensor is demodulated by demodulating equipment, the number of wavelength jump is calculated, to be monitored to the usage amount of the combustion gas.
Description
Technical field
The present embodiments relate to photoelectric fields, more particularly to one kind is under field conditions (factors), supervises to combustion gas usage amount
The fuel gas monitoring system and method for survey.
Background technique
Currently, domestic intelligent gas meter mainly have IC card intelligence, CPU card intelligent gas meter, radio frequency card intelligent gas meter, flow meter,
Direct-reading remote transmitting gas meter and wireless telemetering gas-meter etc., with the raising of people's living standard and quality of life, modernization
"smart" products demand required for family promotes intelligent gas meter to send out towards safety, reliability, intelligent convenience direction
Exhibition.
However, inventor has found in the implementation of the present invention: normal domestic use diaphragm gas meter, due to its difficult charge,
Meter reading personnel's high labor cost, pilferage gas can not really realize monitoring, this increases operating cost to gas company, also to operation
Management brings many troubles.Domestic intelligent gas meter is the normal work for guaranteeing gas meter, flow meter in active mode at present.
Just needed to carry out the replacement of power supply at interval of 1 year to 2 years.Due to the generality that gas meter, flow meter uses, will necessarily expend huge
Manpower and material resources.And passive type fuel gas monitoring system can solve problems just.
Summary of the invention
In view of this, the embodiment of the present invention provides a kind of mode of measurement combustion gas volume based on optical fiber sensing technology, i.e.,
Passive type fuel gas monitoring system and method described in this case, to solve the problems, such as gas monitoring.
In a first aspect, the embodiment of the invention provides a kind of passive type fuel gas monitoring system, including mechanical gas table, overarm
Arm, fiber-optic grating sensor, demodulating equipment, it is characterised in that:
The mechanical gas table includes the drive rod inside the mechanical gas table, wherein when the combustion gas of flowing passes through
When crossing the pipeline of the gas meter, flow meter, so that the drive rod moves back and forth；Wherein, the top of the drive rod is fixed with
One magnet block；
The ontology of the overarm arm is suspended in above the drive rod, is equipped with optical fiber grating sensing inside the overarm arm
Device；
The demodulating equipment is tied for demodulating to the optical signal from the fiber-optic grating sensor according to demodulation
Fruit calculates the number of wavelength jump, the number that the drive rod moves back and forth is conversed, to make to the combustion gas
Dosage is monitored.
Optionally, the overarm arm is equipped with the second magnet block on the downside of one end of the drive rod, when the biography
When first magnet block of lever is moved to close to second magnet block, deformation occurs for the overarm arm.
Optionally, the homopolarity of first magnet block and second magnet block is staggered relatively.
Optionally, first magnet block and second magnet block is heteropolar staggered relatively.
Optionally, the overarm arm is equipped with ferromagnetic metal piece on the downside of one end of the drive rod, when described
When first magnet block of drive rod is moved to close to the ferromagnetic metal piece, deformation occurs for the overarm arm.Wherein, should
Ferromagnetic metal piece may include sheet metal made of the sheet metals such as iron, cobalt, nickel or its alloy material.
Optionally, the overarm arm itself can be made of ferromagnetic metal material, when first magnetic of the drive rod
When iron block is moved to close to the overarm arm, under graviational interaction, deformation occurs for the overarm arm.
Optionally, which includes light source and demodulation module, wherein the light source is used for via optical fiber to the optical fiber light
Gate sensor issues wide spectrum optical, and the demodulation module is for demodulating the real-time wavelength signal of reflected optical signal.
Optionally, which further includes computing device and display device, wherein the computing device is used
It is compared in by the obtained real-time wavelength signal of demodulation with original wavelength signal, obtains change frequency, and calculated and use
Gas quantity；The display device is for showing the gas quantity.Wherein, the computing device and display device can be to be located at and become
PC machine or tablet computer or mobile device (such as mobile phone) in power station.
Optionally, the part such as the overarm arm, pedestal is packaged in the inside of the mechanical gas table.
The system through the embodiment of the present invention may be implemented remote real-time monitoring and inquire combustion gas usage amount, also, this
Monitoring device described in case is full mechanical, is not contacted directly with the circuit part of gas meter, flow meter, and effectiveness is more
Good, anti-interference ability is stronger.
Second aspect, the embodiment of the invention also provides a kind of passive type gas monitoring methods, are applied to above-mentioned passive
Formula fuel gas monitoring system, it is characterised in that:
The light beam of specific wavelength is issued to the fiber-optic grating sensor；
Monitor and demodulate the real-time wavelength of the reflected light signal from the fiber-optic grating sensor；
The real-time wavelength is compared with the specific wavelength, when difference is more than predetermined threshold, it is believed that the overarm arm
A deformation occurs, the usage amount of the combustion gas is calculated according to the number of the deformation, and is shown.
Optionally, the overarm arm is equipped with the second magnet block on the downside of one end of the drive rod, when the biography
When first magnet block of lever is moved to close to second magnet block, deformation occurs for the overarm arm.
Optionally, the homopolarity of first magnet block and second magnet block is staggered relatively.
Optionally, first magnet block and second magnet block is heteropolar staggered relatively.
Optionally, the overarm arm is equipped with ferromagnetic metal piece on the downside of one end of the drive rod, when described
When first magnet block of drive rod is moved to close to the ferromagnetic metal piece, deformation occurs for the overarm arm.Wherein, should
Ferromagnetic metal piece may include sheet metal made of the sheet metals such as iron, cobalt, nickel or its alloy material.
Optionally, the overarm arm itself can be made of ferromagnetic metal material, when first magnetic of the drive rod
When iron block is moved to close to the overarm arm, under graviational interaction, deformation occurs for the overarm arm.
Optionally, which includes light source and demodulation module, wherein the light source is used for via optical fiber to the optical fiber light
Gate sensor issues wide spectrum optical, and the demodulation module is for demodulating the real-time wavelength signal of reflected optical signal.
Optionally, which further includes computing device and display device, wherein the computing device is used
It is compared in by the obtained real-time wavelength signal of demodulation with original wavelength signal, obtains change frequency, and calculated and use
Gas quantity；The display device is for showing the gas quantity.
The method through the embodiment of the present invention may be implemented remote real-time monitoring and inquire combustion gas usage amount, also, this
Monitoring device described in case is full mechanical, is not contacted directly with the circuit part of gas meter, flow meter, and effectiveness is more
Good, anti-interference ability is stronger.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with
It obtains other drawings based on these drawings.
Fig. 1 is the structural schematic diagram for the passive type fuel gas monitoring system that one embodiment of the invention provides；
Fig. 2 is another structural schematic diagram for the passive type fuel gas monitoring system that one embodiment of the invention provides；
Fig. 3 is another structural schematic diagram for the passive type fuel gas monitoring system that one embodiment of the invention provides；
Fig. 4 is the working state schematic representation for the passive type fuel gas monitoring system that one embodiment of the invention provides.
Wherein, 1- mechanical gas table, 2- venthole, 3- overarm arm, 4- pedestal, 5- drive rod, the first magnet block of 6-, 7-
Two magnet blocks, 8- fiber-optic grating sensor.
Specific embodiment
The present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing rather than entire infrastructure.
It also should be noted that only the parts related to the present invention are shown for ease of description, in attached drawing rather than
Full content.It should be mentioned that some exemplary embodiments are described before exemplary embodiment is discussed in greater detail
At the processing or method described as flow chart.Although operations (or step) are described as the processing of sequence by flow chart,
It is that many of these operations can be implemented concurrently, concomitantly or simultaneously.In addition, the sequence of operations can be by again
It arranges.Processing can be terminated when its operations are completed, it is also possible to have the additional step being not included in attached drawing.Processing
It can correspond to method, function, regulation, subroutine, subprogram etc..
Referenced herein " embodiment " is it is meant that a particular feature, structure, or characteristic described can wrap in conjunction with the embodiments
Containing at least one embodiment of the present invention.Each position in the description occur the phrase might not each mean it is identical
Embodiment, nor the independent or alternative embodiment with other embodiments mutual exclusion.Those skilled in the art explicitly and
Implicitly understand, embodiment described herein can be combined with other embodiments.
Fig. 1 shows the structural schematic diagram of the passive type fuel gas monitoring system of one embodiment of the invention offer, such as Fig. 1 institute
Show, which includes mechanical gas table 1, overarm arm 3, fiber-optic grating sensor 8, demodulating equipment (not shown), wherein
The mechanical gas table 1 includes the drive rod 5 inside the mechanical gas table；Wherein, when the combustion gas of flowing
When by gas combustion meter pipe, so that the drive rod 5 moves back and forth；Wherein, the top of the drive rod 5 is fixed with first
Magnet block 6；
The ontology of the overarm arm 3 states 5 top of drive rod described in being suspended in, and is equipped with optical fiber light inside the overarm arm 3
Gate sensor 8；
The demodulating equipment is tied for demodulating to the optical signal from the fiber-optic grating sensor 8 according to demodulation
Fruit calculates the number of wavelength jump, the number that the drive rod moves back and forth is conversed, thus to the usage amount of the combustion gas
It is monitored.
Wherein, mechanical gas table 1 is flowed in and out using mechanical device to control gas, when the gas of flowing passes through combustion gas
When table 1, by the blocking of pipe friction and mechanism, internal combustion gas can import and export both ends in gas meter, flow meter and generate pressure difference, pass through
This pressure difference pushes the diaphragm of gas meter, flow meter in metering indoor sport, and valve actuating mechanism is driven to carry out coordination distribution, so that film
The movement of piece can continuously reciprocal progress, straight reciprocating motion is transformed into circular motion, the drive rod 5 to move back and forth
A magnet 6 is fixed on top；The fiber Bragg grating type sensor 8 of top fixed magnet 7 is located at right above it simultaneously.Diaphragm is per reciprocal one
It is secondary, a certain amount of gas is just discharged, drive rod top is finally made in gas meter, flow meter to do a circular motion, sensor 8 by magnet (6,
7) deformation occurs for gravitation or repulsion between.Circular motion each time, it is primary so as to cause the jump of optic fiber grating wavelength.
The (FBG) demodulator that demodulating equipment is mainly made of light source and demodulation module, wherein light source issue wide spectrum optical via optical cable or
Person's optical fiber is sent to fiber-optic grating sensor 8, and wherein the optical signal of specific wavelength can reflect, then be solved by demodulation module
Adjust the real-time wavelength analyzed at this time.
PC machine and demodulating equipment carry out data exchange, and light real-time wavelength and original wavelength that demodulation part obtains are carried out pair
Than calculating gas quantity used at present by the number that wavelength jumps and being shown on the page.
Optionally, which can be staggered relatively with the homopolarity of second magnet block 7 or heteropolar opposite puts
It sets.Herein on basis, the two based on the repulsion or gravitation between magnet makes overarm arm, and deformation occurs, and then leads to light
Deformation occurs for fine grating, and then the wavelength for the optical signal for causing fiber grating to reflect jumps.
Optionally, which is located at the position above the drive rod and is equipped with ferromagnetic metal piece, when the biography
When first magnet block of lever is moved to close to the ferromagnetic metal piece, deformation occurs for the overarm arm.Wherein, the iron
Magnetic metal piece may include sheet metal made of the sheet metals such as iron, cobalt, nickel or its alloy material.
Optionally, the overarm arm itself can be made of ferromagnetic metal material, when first magnetic of the drive rod
When iron block is moved to close to the overarm arm, under graviational interaction, deformation occurs for the overarm arm.
Optionally, which includes light source and demodulation module, wherein the light source be used for via optical fiber or optical cable to this
Fiber-optic grating sensor issues wide spectrum optical, and the demodulation module is for solving the real-time wavelength signal of reflected optical signal
It adjusts.
Optionally, which further includes computing device and display device, wherein the computing device is used
It is compared in by the obtained real-time wavelength signal of demodulation with original wavelength signal, obtains change frequency, and calculated and use
Gas quantity；The display device is for showing the gas quantity.Wherein, the computing device and display device can be to be located at and become
PC machine or tablet computer or mobile device (such as mobile phone) in power station.
Optionally, the components such as the overarm arm and pedestal can be packaged in the inside of the mechanical gas table, with
Just a complete gas meter, flow meter equipment is packaged into be promoted and applied.
Monitoring system in the embodiment of the present invention can be respectively placed in required environment, and each system that monitors passes through respectively place
Optical cable be located at substation in monitoring system be attached.PC machine or mobile terminal or monitoring device can receive to come
From the wavelength signals of demodulating equipment, by the comparison to real-time wavelength and original wavelength, if the relatively primitive wavelength of real-time wavelength has
Certain difference then counts combustion gas volume that is primary, then generating by algorithm calculating accumulation transition times.PC machine in substation
The current gas quantity of real-time display on the page.
The advantage of the embodiment of the present invention is that monitoring system itself described in the embodiment of the present invention is not necessarily in addition power, nothing
Battery is needed to change, human and material resources resource is saved；Meanwhile the overarm arm of this monitoring system and the circuit of gas meter, flow meter itself be not straight
Connect connected, the not generation of electromagnetic interference；This monitoring system is by the variation of fiber Bragg grating reflected signal, by the survey of former gas meter, flow meter
The data that amount data conversion can be remotely observed directly at the end PC, substantially increase user experience, reduce meter reading cost,
There is very big value in actual life.
Fig. 2 shows the structural representation for the passive type fuel gas monitoring system that one embodiment of the invention provides from another angle
Figure, as shown in Fig. 2, the drive rod 5 being located inside mechanical gas table is in the process of reciprocating, the magnet block 6 installed thereon
Magnetic force induction effect occurs with the magnet block 7 installed in overarm arm, deformation occurs for overarm arm 3, leads to the light inside overarm arm 3
Deformation occurs for fiber grating sensor 8, and then the wavelength for the optical signal for causing fiber-optic grating sensor 8 to reflect jumps.It is based on
This, the number of the reciprocating motion of drive rod 5 can be monitored by the number of monitoring jump.
Wherein, optionally, first magnet block 6 can with the homopolarity of second magnet block 7 staggered relatively or heteropolar phase
To placement.
Optionally, the overarm arm is equipped with ferromagnetic metal piece on the downside of one end of the drive rod, when described
When first magnet block of drive rod is moved to close to the ferromagnetic metal piece, deformation occurs for the overarm arm.Wherein, should
Ferromagnetic metal piece may include sheet metal made of the sheet metals such as iron, cobalt, nickel or its alloy material.
Optionally, the overarm arm itself can be made of ferromagnetic metal material, when first magnetic of the drive rod
When iron block is moved to close to the overarm arm, under graviational interaction, deformation occurs for the overarm arm.
Optionally, which includes light source and demodulation module, wherein the light source is used for via optical fiber to the optical fiber light
Gate sensor issues wide spectrum optical, and the demodulation module is for demodulating the real-time wavelength signal of reflected optical signal.
Monitoring system in the embodiment of the present invention can be respectively placed in required environment, and each system that monitors passes through respectively place
Optical cable be located at substation in monitoring system be attached.PC machine or mobile terminal or monitoring device can receive to come
From the wavelength signals of demodulating equipment, by the comparison to real-time wavelength and original wavelength, if the relatively primitive wavelength of real-time wavelength has
Certain difference then counts combustion gas volume that is primary, then generating by algorithm calculating accumulation transition times.PC machine in substation
The current gas quantity of real-time display on the page.
The advantage of the embodiment of the present invention is that monitoring system itself described in the embodiment of the present invention is not necessarily in addition power, nothing
Battery is needed to change, human and material resources resource is saved；Meanwhile the overarm arm of this monitoring system and the circuit of gas meter, flow meter itself be not straight
Connect connected, the not generation of electromagnetic interference；This monitoring system is by the variation of fiber Bragg grating reflected signal, by the survey of former gas meter, flow meter
The data that amount data conversion can be remotely observed directly at the end PC, substantially increase user experience, reduce meter reading cost,
There is very big value in actual life.
Fig. 3 shows another structure for the passive type fuel gas monitoring system that one embodiment of the invention provides from another angle
The magnet block 7 and fiber-optic grating sensor 8 installed in overarm arm 3 is not shown in the figure in schematic diagram.As shown in figure 3, overarm arm 3, bottom
Seat 4 is all packaged in inside gas meter, flow meter with drive rod 5 together, drive rod 5 in the process of reciprocating, the magnet installed thereon
Magnetic force induction effect occurs for the magnet block 7 installed on block 6 and overarm arm, and deformation occurs for overarm arm 3, causes inside overarm arm 3
Deformation occurs for fiber-optic grating sensor 8, and then the wavelength for the optical signal for causing fiber-optic grating sensor 8 to reflect jumps.Base
In this, the number of the reciprocating motion of drive rod 5 can be monitored by the number of monitoring jump.
Wherein, optionally, first magnet block 6 can with the homopolarity of second magnet block 7 staggered relatively or heteropolar phase
To placement.
Optionally, the overarm arm is equipped with ferromagnetic metal piece on the downside of one end of the drive rod, when described
When first magnet block of drive rod is moved to close to the ferromagnetic metal piece, deformation occurs for the overarm arm.Wherein, should
Ferromagnetic metal piece may include sheet metal made of the sheet metals such as iron, cobalt, nickel or its alloy material.
Optionally, the overarm arm itself can be made of ferromagnetic metal material, when first magnetic of the drive rod
When iron block is moved to close to the overarm arm, under graviational interaction, deformation occurs for the overarm arm.
Optionally, which includes light source and demodulation module, wherein the light source is used for via optical fiber to the optical fiber light
Gate sensor issues wide spectrum optical, and the demodulation module is for demodulating the real-time wavelength signal of reflected optical signal.
Monitoring system in the embodiment of the present invention can be respectively placed in required environment, and each system that monitors passes through respectively place
Optical cable be located at substation in monitoring system be attached.PC machine or mobile terminal or monitoring device can receive to come
From the wavelength signals of demodulating equipment, by the comparison to real-time wavelength and original wavelength, if the relatively primitive wavelength of real-time wavelength has
Certain difference then counts combustion gas volume that is primary, then generating by algorithm calculating accumulation transition times.PC machine in substation
The current gas quantity of real-time display on the page.
The advantage of the embodiment of the present invention is that monitoring system itself described in the embodiment of the present invention is not necessarily in addition power, nothing
Battery is needed to change, human and material resources resource is saved；Meanwhile the overarm arm of this monitoring system and the circuit of gas meter, flow meter itself be not straight
Connect connected, the not generation of electromagnetic interference；This monitoring system is by the variation of fiber Bragg grating reflected signal, by the survey of former gas meter, flow meter
The data that amount data conversion can be remotely observed directly at the end PC, substantially increase user experience, reduce meter reading cost,
There is very big value in actual life.
Fig. 4 shows the working state schematic representation of the passive type fuel gas monitoring system of one embodiment of the invention offer.Such as figure
Shown, monitoring device and demodulating equipment can be located inside substation or monitoring room, and demodulating equipment passes through optical fiber/optical cable and combustion
Gas meter connection, obtains the optical signal data that fiber-optic grating sensor is reflected back in monitoring device, and to the real-time wavelength of optical signal
It is demodulated；Monitoring device may include that computer equipment, monitoring display, mobile device, mobile phone, tablet computer etc. are able to carry out
The equipment that image or data are shown；And the modules such as overarm arm, fiber grating are set to combustion gas table side, for will be driven in gas meter, flow meter
The machinery of bar is converted to the fluctuation of the optical signal in fiber grating, to realize the measurement to combustion gas usage amount.
It is schematical, only a kind of logical function partition to the division of module in the above embodiment of the present invention, it is practical
There may be another division manner when realization, in addition, each functional module in each embodiment of the application can integrate one
In a processor, it is also possible to physically exist alone, can also be integrated in two or more modules in a module.It is above-mentioned
Integrated module both can take the form of hardware realization, can also be realized in the form of software function module.
The electronic equipment of the embodiment of the present invention exists in a variety of forms, including but not limited to:
(1) mobile communication equipment: the characteristics of this kind of equipment is that have mobile communication function, and to provide speech, data
Communication is main target.This Terminal Type includes: smart phone (such as iPhone), multimedia handset, functional mobile phone and low
Hold mobile phone etc..
(2) super mobile personal computer equipment: this kind of equipment belongs to the scope of personal computer, there is calculating and processing function
Can, generally also have mobile Internet access characteristic.This Terminal Type includes: PDA, MID and UMPC equipment etc., such as iPad.
(3) portable entertainment device: this kind of equipment can show and play multimedia content.Such equipment includes: sound
Frequently, video player (such as iPod), handheld device, e-book and intelligent toy and portable car-mounted navigation equipment.
(4) server: providing the equipment of the service of calculating, and the composition of server includes processor 1010, hard disk, memory, is
Bus of uniting etc., server is similar with general computer architecture, but due to needing to provide highly reliable service, is handling
Ability, stability, reliability, safety, scalability, manageability etc. are more demanding.
(5) other electronic devices with data interaction function.
The apparatus embodiments described above are merely exemplary, wherein module can be as illustrated by the separation member
Or may not be and be physically separated, the component shown as module may or may not be physical module, i.e.,
It can be located in one place, or may be distributed on multiple network modules.It can select according to the actual needs therein
Some or all of the modules achieves the purpose of the solution of this embodiment.Those of ordinary skill in the art are not paying creative labor
In the case where dynamic, it can understand and implement.
Each functional module in each embodiment of the present invention can integrate in one processing unit, be also possible to each
Module physically exists alone, and can also be integrated in one unit with two or more modules.Above-mentioned integrated unit both may be used
To use formal implementation of hardware, can also be realized in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Device (can be personal computer, server or network equipment etc.) or intelligent terminal or processor (Processor)
Execute the part steps of each embodiment method of the present invention.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only storage
Device (Read-Only Memory, ROM), random access memory (Random Access Memory, RAM), magnetic disk or light
The various media that can store program code such as disk.
In above-described embodiment provided by the present invention, it should be understood that disclosed device and method can pass through it
Its mode is realized.For example, the apparatus embodiments described above are merely exemplary, for example, the division of module, only
A kind of logical function partition, there may be another division manner in actual implementation, for example, multiple module or components can combine or
Person is desirably integrated into another system, or some features can be ignored or not executed.
Module may or may not be physically separated as illustrated by the separation member, show as module
Component may or may not be physical module, it can and it is in one place, or may be distributed over multiple networks
On unit.Some or all of the modules therein can be selected to achieve the purpose of the solution of this embodiment according to the actual needs.
The above is only the embodiment of the present invention, are not intended to limit the scope of the patents of the invention, although with reference to the foregoing embodiments
Invention is explained in detail, still can be to aforementioned each specific reality for coming for those skilled in the art
It applies technical solution documented by mode to modify, or equivalence replacement is carried out to part of technical characteristic.It is all to utilize this
The equivalent structure that description of the invention and accompanying drawing content are done directly or indirectly is used in other related technical areas, similarly
Within the invention patent protection scope.
Claims (9)
1. a kind of passive type fuel gas monitoring system, including mechanical gas table, overarm arm, fiber-optic grating sensor, demodulating equipment,
It is characterized in that:
The mechanical gas table includes the drive rod inside the mechanical gas table, wherein when institute is passed through in the combustion gas of flowing
When stating the pipeline of gas meter, flow meter, so that the drive rod moves back and forth；Wherein, the top of the drive rod is fixed with the first magnetic
Iron block；
The ontology of the overarm arm is suspended in above the drive rod, is equipped with fiber-optic grating sensor inside the overarm arm；
The demodulating equipment is for demodulating the optical signal from the fiber-optic grating sensor, according to demodulation result, meter
The number for calculating wavelength jump, converses the number that the drive rod moves back and forth, thus to the usage amount of the combustion gas
It is monitored.
2. passive type fuel gas monitoring system according to claim 1, wherein the overarm arm close to the drive rod one
Second magnet block is installed, when first magnet block of the drive rod is moved to close to second magnet block on the downside of end
When, deformation occurs for the overarm arm.
3. passive type fuel gas monitoring system according to claim 2, wherein first magnet block and second magnet
The homopolarity of block is staggered relatively.
4. passive type fuel gas monitoring system according to claim 2, wherein first magnet block and second magnet
Block it is heteropolar staggered relatively.
5. passive type fuel gas monitoring system according to claim 1, wherein the overarm arm close to the drive rod one
Ferromagnetic metal piece is installed, when first magnet block of the drive rod is moved to close to the ferromagnetism gold on the downside of end
When belonging to piece, deformation occurs for the overarm arm.
6. passive type fuel gas monitoring system according to claim 1, wherein the demodulating equipment includes light source reconciliation mode transfer
Block, wherein the light source be used for via optical fiber to the fiber-optic grating sensor issue wide spectrum optical, the demodulation module for pair
It is demodulated from the real-time wavelength signal of the reflected optical signal of the fiber-optic grating sensor.
7. passive type fuel gas monitoring system according to claim 6, wherein the passive type fuel gas monitoring system further includes
Computing device and display device, wherein the computing device is used to demodulate obtained real-time wavelength signal and original wavelength is believed
It number compares, obtains change frequency, and calculate the gas quantity used；The display device is used to carry out the gas quantity
Display.
8. passive type fuel gas monitoring system according to claim 1, wherein the overarm arm is packaged in the mechanical combustion
The inside of gas meter.
9. a kind of passive type gas monitoring method is applied to passive type fuel gas monitoring system as described in one of claim 1-8,
It is characterized by:
The light beam of specific wavelength is issued to the fiber-optic grating sensor；
Monitor and demodulate the real-time wavelength of the reflected light signal from the fiber-optic grating sensor；
The real-time wavelength is compared with the specific wavelength, when difference is more than predetermined threshold, it is believed that the overarm arm
A deformation occurs, the usage amount of the combustion gas is calculated according to the number of the deformation.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910316678.3A CN110068373A (en) | 2019-04-19 | 2019-04-19 | A kind of fuel gas monitoring system and method based on fiber-optic grating sensor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316678.3A CN110068373A (en) | 2019-04-19 | 2019-04-19 | A kind of fuel gas monitoring system and method based on fiber-optic grating sensor |
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| CN110068373A true CN110068373A (en) | 2019-07-30 |
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| CN201910316678.3A Pending CN110068373A (en) | 2019-04-19 | 2019-04-19 | A kind of fuel gas monitoring system and method based on fiber-optic grating sensor |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100287906A1 (en) * | 2009-05-14 | 2010-11-18 | General Electric Company | Fiber-optic dynamic sensing modules and methods |
| CN104062261A (en) * | 2014-06-27 | 2014-09-24 | 东北大学 | Gas concentration measuring method based on wide-spectrum light source and harmonic detection technology |
| CN204241501U (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Based on the direction measuring apparatus of fiber grating sensing technology |
| CN105092887A (en) * | 2015-07-22 | 2015-11-25 | 国家电网公司 | Passive wind speed monitoring device, system and method based on fiber grating sensing technology |
| CN205958053U (en) * | 2016-07-15 | 2017-02-15 | 重庆人文科技学院 | Intelligence electronic counting type diaphragm type gas table |
| CN206193025U (en) * | 2016-09-29 | 2017-05-24 | 国家电网公司 | Passive formula air speed measuring device of optic fibre |
| CN108469284A (en) * | 2018-06-29 | 2018-08-31 | 黑龙江大学 | A kind of hot type gas meter based on fiber grating |
| CN210154629U (en) * | 2019-04-19 | 2020-03-17 | 南通感忆达信息技术有限公司 | Gas monitoring system based on fiber grating sensor |
-
2019
- 2019-04-19 CN CN201910316678.3A patent/CN110068373A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100287906A1 (en) * | 2009-05-14 | 2010-11-18 | General Electric Company | Fiber-optic dynamic sensing modules and methods |
| CN104062261A (en) * | 2014-06-27 | 2014-09-24 | 东北大学 | Gas concentration measuring method based on wide-spectrum light source and harmonic detection technology |
| CN204241501U (en) * | 2014-12-05 | 2015-04-01 | 国家电网公司 | Based on the direction measuring apparatus of fiber grating sensing technology |
| CN105092887A (en) * | 2015-07-22 | 2015-11-25 | 国家电网公司 | Passive wind speed monitoring device, system and method based on fiber grating sensing technology |
| CN205958053U (en) * | 2016-07-15 | 2017-02-15 | 重庆人文科技学院 | Intelligence electronic counting type diaphragm type gas table |
| CN206193025U (en) * | 2016-09-29 | 2017-05-24 | 国家电网公司 | Passive formula air speed measuring device of optic fibre |
| CN108469284A (en) * | 2018-06-29 | 2018-08-31 | 黑龙江大学 | A kind of hot type gas meter based on fiber grating |
| CN210154629U (en) * | 2019-04-19 | 2020-03-17 | 南通感忆达信息技术有限公司 | Gas monitoring system based on fiber grating sensor |
Non-Patent Citations (1)
| Title |
|---|
| 杨有涛 等: "气体流量计", 中国质检出版社, pages: 211 - 214 * |
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