CN207779509U - For interfering water-level probe and system in formula optical fiber water level monitoring system - Google Patents
For interfering water-level probe and system in formula optical fiber water level monitoring system Download PDFInfo
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- CN207779509U CN207779509U CN201820277006.7U CN201820277006U CN207779509U CN 207779509 U CN207779509 U CN 207779509U CN 201820277006 U CN201820277006 U CN 201820277006U CN 207779509 U CN207779509 U CN 207779509U
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Abstract
The water-level probe and system that the utility model discloses a kind of for interfering in formula optical fiber water level monitoring system, it solves the problems, such as that water-level gauge probe cannot be used for subaqueous survey, easily by electromagnetic interference, it causes variation in water pressure according to SEA LEVEL VARIATION, variation by monitoring interference arm length difference of popping one's head in obtains corresponding water level value, realize that the water level monitoring in complex water areas, technical solution are：Fixed optical fiber position-limiting drum in the middle part of the first adjusting bracket and the second adjusting bracket including being set to water pipe both sides, first adjusting bracket and the second adjusting bracket；First adjusting bracket bottom is fixed with slide construction, and the slide construction end is connect with elastic element, and water pipe hydraulic pressure pushes the first adjusting bracket and slide construction to move when increasing, so that elastic element compresses.
Description
Technical field
The utility model is related to water-level probe technical fields, more particularly to one kind for interfering formula optical fiber water level monitoring system
Water-level probe in system and system.
Background technology
Tsunami is a kind of natural calamity that destructiveness is extremely strong, and strong tsunami can cause serious casualties and huge
Economic asset is lost, therefore necessary to the real-time early warning of tsunami, to the early warning of ocean tsunami based on the real-time prison to water level
It surveys, traditional water level is in respect of float-type, pressure resistance type etc., but float type level meter is bubbled through the water column and is not used in deep-sea, pressure resistance type
Water-level gauge has circuit structure easily by electromagnetic interference, and optical fiber water level sensor has small, light weight, high sensitivity, resists
Many excellent characteristics such as electromagnetic interference, corrosion-resistant, achievable long distance transmission, to water level suitable for complicated marine environment
Monitoring, and in the optical fiber water level monitoring system, interference structure therein is as the sensitive part for experiencing SEA LEVEL VARIATION, by it
It is designed as water level sensing probe, structure design is most important, determines that can the water level monitoring system be realized.
Water-level probe has many different designs, Chen Yabo et al. to devise a kind of water-level gauge probe, water-level gauge probe
Using stainless steel probe, conducting wire and bullet shape material shell etc., bullet shape material shell is bubbled through the water column, is detected using stainless steel probe
SEA LEVEL VARIATION, the water-level probe is simple in structure, but the plastic housing in the probe can not seal, and can only bubble through the water column, Bu Nengyong
In subaqueous survey, and since sonde configuration is simple, when the water surface has larger wave, measurement result can be affected.
Han Pei spaces et al. devise a kind of water-level gauge probe, which includes conductive float, electrode and conducting wire etc., and conduction is floating
Son is located at base part and is connected two electrodes by the effect of buoyancy, and electrode is connected with conducting wire again, and water level is measured by the lifting of float,
But the probe includes that circuit structure is susceptible to electromagnetic interferences, and the water-level probe uses metal material, corrosion-vulnerable.
In conclusion in the prior art for water-level gauge probe cannot be used for subaqueous survey, easily by electromagnetic interference the problem of,
Still lack effective solution scheme.
Utility model content
In order to overcome the above-mentioned deficiencies of the prior art, the utility model provides a kind of for interfering formula optical fiber water level monitoring
Water-level probe in system causes variation in water pressure according to SEA LEVEL VARIATION, and the variation by monitoring interference arm length difference of popping one's head in obtains
Corresponding water level value realizes the water level monitoring in complex water areas；
Further, the utility model uses following technical proposals：
A kind of water-level probe for interfering in formula optical fiber water level monitoring system, including be set to the first of water pipe both sides and adjust
Save frame and the second adjusting bracket, the fixed optical fiber position-limiting drum of first adjusting bracket and the second adjusting bracket middle part；First adjusting bracket
Bottom is fixed with slide construction, and the slide construction end is connect with elastic element, pushes first to adjust when water pipe hydraulic pressure increases
Frame and slide construction movement, so that elastic element compresses.
Further, cavity, the optical fiber position-limiting drum setting are carried in the middle part of first adjusting bracket and the second adjusting bracket
In in cavity.
Further, the water pipe is hose, and water pipe one end is sealed by seal assembly, and the other end is connected by connector
In side panel.
Further, the seal assembly includes the water pipe intermediate plate for being set to water pipe both sides, and two water pipe intermediate plates are by water pipe clamp
In wherein.
Further, first adjusting bracket bottom is fixedly connected with connection sheet, and slide construction is fixed in connection sheet bottom
On, connection sheet side is fixed with riser, and riser is connect with elastic element, and elastic element end is connect with block piece.
Further, the slide construction includes being equipped with sliding rail with the fixed sliding block of connection sheet, slider bottom.
Further, second adjusting bracket, seal assembly, slide construction are both secured on bottom plate, bottom plate surrounding with
Side plate is fixedly connected, and top plate is arranged at the top of side plate, side plate, top plate and bottom plate surround seal case structure.
Further, the water pipe is extended on the outside of side plate and is connected to outer water tube by crossover sub.
A kind of in order to overcome the deficiencies of the prior art, the utility model provides interference formula optical fiber water level monitoring system, packet
Include water-level probe as described above.
It is a kind of for interfering formula optical fiber water level monitoring system that in order to overcome the deficiencies of the prior art, the utility model provides
In water-level probe water level monitoring method, include the following steps：
Water-level probe is assembled, two collimators are respectively arranged in the optical fiber position-limiting drum of the first adjusting bracket and the second adjusting bracket
It is interior, water-level probe sealing is placed in water；
When water level deepens, water inner pipe water pressure increases, and pushes the first adjusting bracket with slide construction sliding compression elastic element,
So that spacing increases between the first adjusting bracket and the collimator of the second adjusting bracket, interference arm length difference changes and then obtains corresponding
Water level value；
When water level shoals, water inner pipe water pressure reduces, and the first adjusting bracket is slided with slide construction under elastic element effect,
So that spacing reduces between the first adjusting bracket and the collimator of the second adjusting bracket, interference arm length difference changes and then obtains corresponding
Water level value.
Compared with prior art, the utility model has the beneficial effects that：
(1) water-level probe of the utility model is sealing structure, it can be achieved that subaqueous survey, will not be by big when being observed
The influence of the adverse weather conditions such as wind, rainwater can be used for the real-time monitoring to complex water levels such as underground water, deep-seas.
(2) use slide construction sliding that the form of the first adjusting bracket movement, the length of line slide rail is driven to determine collimation
The moveable distance of device, can increase the length of line slide rail to increase the moveable distance of collimator in spring range,
Therefore there is larger measuring range.
(3) when water level changes, the increase of water inner pipe water pressure pushes the movement of the first adjusting bracket, drives and is adjusted mounted on first
The collimator movement on frame is saved, the interference arm length difference that this Mach-increases Dare interference structure, water level value and interference arm length difference are changed
There is one-to-one linear relationship, in the water-level probe structure, the variation of SEA LEVEL VARIATION and interference arm length difference has well linearly
Degree, ensure that the accuracy of level measuring.
Description of the drawings
The accompanying drawings which form a part of this application are used for providing further understanding of the present application, and the application's shows
Meaning property embodiment and its explanation do not constitute the improper restriction to the application for explaining the application.
Fig. 1 is the structural schematic diagram of the utility model water-level probe；
Fig. 2 is the side view of the utility model water-level probe；
Fig. 3 is the cooperation schematic diagram of the water pipe of the utility model water-level probe, adjusting bracket, slide construction；
Fig. 4 is the first adjusting bracket and slide construction cooperation schematic diagram of the utility model water-level probe；
Fig. 5 is the schematic diagram of interference formula optical fiber water level monitoring system；
In figure, 1. optical fiber position-limiting drums, 2. first adjusting brackets, 3. second adjusting brackets, 4. water pipes, 5. connection sheets, 6. sliding blocks, 7.
Riser, 8. springs, 9. block pieces, 10. pallets, 11. water pipe intermediate plates, 12. bottom plates, 13. connectors, 14. side panels, 15. crossover subs.
Specific implementation mode
It is noted that following detailed description is all illustrative, it is intended to provide further instruction to the application.Unless another
It indicates, all technical and scientific terms used herein has usual with the application person of an ordinary skill in the technical field
The identical meanings of understanding.
It should be noted that term used herein above is merely to describe specific implementation mode, and be not intended to restricted root
According to the illustrative embodiments of the application.As used herein, unless the context clearly indicates otherwise, otherwise singulative
It is also intended to include plural form, additionally, it should be understood that, when in the present specification using term "comprising" and/or " packet
Include " when, indicate existing characteristics, step, operation, device, component and/or combination thereof.
As background technology is introduced, water-level gauge probe exists in the prior art and cannot be used for subaqueous survey, Yi Shou electricity
The defect of magnetic disturbance etc., in order to solve technical problem as above, present applicant proposes one kind for interfering formula optical fiber water level to be supervised
Water-level probe in examining system and system and method.
In a kind of typical embodiment of the application, as shown in Figs 1-4, provide a kind of for interfering formula optical fiber water level
Water-level probe design in monitoring system, specifically includes：Two optical fiber position-limiting drums 1, the first adjusting bracket 2, the second adjusting bracket 3, water pipe
4, connection sheet 5, sliding block 6, riser 7, spring 8, block piece 9, pallet 10, water pipe intermediate plate 11, bottom plate 12, connector 13, side panel 14.
Two optical fiber position-limiting drums 1 are individually fixed in 3 central cavity of 2 central cavity of the first adjusting bracket and the second adjusting bracket, are used for
Two collimators in the water level monitoring system are placed, two collimators are made by the first adjusting bracket 2 and the adjusting of the second adjusting bracket 3
Alignment ensures that the coupled power of two collimators is maximum.
First adjusting bracket 2 and the second adjusting bracket 3 are all four axis adjusting brackets, x-axis, y-axis and the pitch angle that four axis represent；It
Effect be：Adjusting the two adjusting brackets first before 1 experiment makes two collimator-alignments, ensures the coupled power of two collimators most
Greatly；2 are located at adjusting bracket for installing the optical fiber position-limiting drum of collimator, and water level, which changes, squeezes water pipe, and water pipe pushes adjusting bracket to move
It is dynamic, drive collimator.
It is water pipe 4 among first adjusting bracket 2 and the second adjusting bracket 3, the first adjusting bracket 2 and the second adjusting bracket 3 are set to water
Pipe both sides, the first adjusting bracket 2 and the second adjusting bracket 3 are close to the fixation of water pipe 4 when original state.
Water pipe 4 is hose, and one end is sealed by seal assembly, realizes the sealing to this side water pipe, the other end of water pipe 4
It is connected on side panel 14 by connector 13.
Seal assembly includes the water pipe intermediate plate 11 for being set to water pipe one end both sides, and water pipe 4 is sandwiched in two by two water pipe intermediate plates 11
Among person sealing is realized to clamp.
First adjusting bracket 2 is screwed in connection sheet 5, is connected as one with connection sheet 5, and 5 bottom of connection sheet is solid
Due on slide construction, 5 side of connection sheet is fixed with riser 7, and (the present embodiment elastic element uses riser 7 with elastic element
Spring 8) connection, 8 end of spring is connect with block piece 9；Water pipe hydraulic pressure pushes the first adjusting bracket and slide construction to move when increasing, into
And make elastic element compression.
Slide construction include with 5 fixed sliding block 6 of connection sheet, 6 bottom of sliding block is equipped with sliding rail.
Riser 7 is used for one end of connecting spring 8, and spring 8 can stretch as elastic element in elastic range, spring
8 other end is fixed on block piece 9.
Sliding block 6 can do linear slide along sliding rail, and the first adjusting bracket 2, riser 7, sliding block 6 are connected as one by connection sheet 5,
Therefore the first adjusting bracket 2 and riser 7 can be driven to move when sliding block 6 slides, and then push the spring 8 is flexible.
Second adjusting bracket 3 remains stationary as on being fixed on pallet 10, and the height of pallet 10 makes the first adjusting bracket 2 and second adjust
Section frame 3 is maintained in same height, and two in the water level monitoring system collimators is made preferably to be aligned.
Block piece 9, sliding rail, pallet 10 and water pipe intermediate plate 11 are all fixed on bottom plate 12, are kept fixed.
12 surrounding of bottom plate is fixedly connected with side panel, top plate is arranged at the top of side panel, side plate, top plate and bottom plate surround close
Body structure is sealed, realizes the sealing of the water-level probe.
The water-level probe of the utility model is made of Mach-increasing Dare interference structure, by optical fiber, two couplers and two standards
Straight device is placed in the sealing detector, wherein two collimators are separately mounted on two optical fiber position-limiting drums 1 in Fig. 1, optical fiber limit
Cylinder 1 is fixed as one with adjusting bracket.When water level changes, hydraulic pressure increases in water pipe 4, the adjusting bracket of 4 both sides of promotion water pipe, and second
Adjusting bracket 3 is fixed on the first adjusting bracket 2 movement motionless on pallet 10, therefore pushing the other side, 2 company of being fixed on of the first adjusting bracket
In contact pin 5, while connection sheet 5 is also connected with sliding block 6 and riser 7, therefore the movement of the first adjusting bracket 2 pushes sliding block 6 to slide, and pushes
Riser 7 moves, and push the spring 8 is flexible simultaneously for riser 7, and the mobile drive collimator movement of the first adjusting bracket 2 is accurate to change two
The spacing of straight device, that is, change the value of interference arm length difference.
It is illustrated in figure 2 the side view of the water-level probe, 4 one end of water pipe is clamped by water pipe intermediate plate 11, is realized to this
The sealing of side water pipe, the other end are connected to by connector 13 on side panel 14, are crossover sub 15 outside side panel 14, by turning
Changing-over head 15 connects the water pipe outside the water-level probe, and external water pipe is communicated with the water pipe 4 in probe and equipressure.
It is illustrated in figure 3 the water pipe and adjusting bracket partial schematic diagram of the water-level probe, water pipe 4 is firstly fixed on the first adjusting
The centre of frame 2 and the second adjusting bracket 3, the second adjusting bracket 3 are fixed on pallet 10 and remain stationary as, and the height of pallet 10 makes two tune
Section frame is maintained in the same height, so that two collimators of installation is preferably aligned, the second adjusting bracket 3 is fixed on connection sheet 5
On, 5 connection sliding block 6 of connection sheet, therefore the first adjusting bracket 2, connection sheet 5 and sliding block 6 are integrated.When hydraulic pressure increases in water pipe 4,
The adjusting bracket for pushing both sides makes the first adjusting bracket 2 be slided with movable slider 6.
It is illustrated in figure 4 the slide construction schematic diagram of water-level probe, the first adjusting bracket can be pushed when hydraulic pressure increases in water pipe 4
2, the first adjusting bracket 2 is fixed in connection sheet 5, and connection sheet 5 is also connected with riser 7 and sliding block 6, one end of 7 connecting spring 8 of riser,
The other end of spring 8 is fixed on block piece 9.Therefore when hydraulic pressure increases in water pipe 4, the movement of the first adjusting bracket 2 is pushed, can be driven
Sliding block 6 slides, while push the spring 8 is stretched in elastic range, to change the collimator being mounted on the first adjusting bracket 2
Position.
Principle using the probe monitors water level is：The first adjusting bracket 2 and the second adjusting bracket 3 are fixed on water pipe 4 first
Both sides, by two collimators be mounted on two optical fiber position-limiting drums 1 on and by probe seal, then by the water-level probe place in water into
Row monitoring.
When water level changes, hydraulic pressure also changes, and hydraulic pressure increases in water pipe 4, the second adjusting bracket of 4 side of water pipe
3 is fixed, therefore pushes the first adjusting bracket 2 of water pipe 4 other side, and connection sheet 5 is by the first adjusting bracket 2 and sliding block 6, riser 7
It is connected as one, therefore the mobile of the first adjusting bracket 2 can push sliding block 6 to slide and riser 7 is pushed to move, riser 7 pushes simultaneously
Spring 8 is flexible, eventually moves together the structures such as the first adjusting bracket 2.
Two collimators are separately mounted on two optical fiber position-limiting drums 1 on the first adjusting bracket 2 and the second adjusting bracket 3, therefore
First adjusting bracket 2 can drive a collimator movement when moving, another collimator is motionless, therefore the spacing of two collimators increases
Greatly；In Mach-increasing Dare interference structure of the probe, the brachium detection that is constant, and being made of two collimators of reference arm
Arm brachium increases, therefore changes the interference arm length difference L in probe interference structure, i.e. the variation of water level causes to do in sensing probe
The variation of arm length difference L is related to, and the light intensity expression of interference signal is in the system：
Wherein I1For the output intensity of feeler arm in Mach-increasing Dare interference structure, I2For the output intensity of reference arm, I1、
I2It is constant,For the phase difference of feeler arm signal and reference arm signal, t is the time, and f is the output frequency of laser, L
To interfere arm length difference, c is the light velocity.
The exchange item expression formula of interference signal is：
It can be seen that when interfering arm length difference L to change, the phase of interference signal also changes, by being demodulated to interference signal
The value for interfering arm length difference L in sonde configuration can be obtained, and water level value h and interference arm length difference L are in a linear relationship：
H=k*L (k is constant),
As long as the value for therefore obtaining interference arm length difference L can be obtained current level value h.
In the typical embodiment of another kind of the application, a kind of interference formula optical fiber water level monitoring system is provided, including
Water-level probe as described above.As shown in figure 5, the system includes：Laser, attenuator, water-level probe, detector, data are adopted
Truck, host computer, wherein water-level probe are the Mach-increasing Dare interference structures being made of coupler and collimator.
The light that laser is sent out first passes around attenuator, prevents from making receiving terminal be distorted because input optical power is excessively high, then
It is formed and is interfered by water-level probe, which puts into as the sensing element for experiencing SEA LEVEL VARIATION in water, interference structure
In feeler arm be made of two collimators.When water level changes, the distance between two collimators is set to become by sonde configuration
Change, so that interference arm length difference is changed, then interference signal is made to change, interference signal is detected through detector and is uploaded through data collecting card
To host computer, water level value and the value of interference arm length difference have one-to-one linear relationship, therefore interference is demodulated from host computer
The value of arm length difference can be obtained current level value.
In the typical embodiment of another of the application, provide a kind of for interfering in formula optical fiber water level monitoring system
Water-level probe water level monitoring method, include the following steps：
Water-level probe is assembled, two collimators are respectively arranged in the optical fiber position-limiting drum of the first adjusting bracket and the second adjusting bracket
It is interior, water-level probe sealing is placed in water；
When water level deepens, water inner pipe water pressure increases, and pushes the first adjusting bracket with slide construction sliding compression elastic element,
So that spacing increases between the first adjusting bracket and the collimator of the second adjusting bracket, interference arm length difference changes and then obtains corresponding
Water level value；
When water level shoals, water inner pipe water pressure reduces, and the first adjusting bracket is slided with slide construction under elastic element effect,
So that spacing reduces between the first adjusting bracket and the collimator of the second adjusting bracket, interference arm length difference changes and then obtains corresponding
Water level value.
The foregoing is merely the preferred embodiments of the application, are not intended to limit this application, for the skill of this field
For art personnel, the application can have various modifications and variations.Within the spirit and principles of this application, any made by repair
Change, equivalent replacement, improvement etc., should be included within the protection domain of the application.
Claims (9)
1. a kind of water-level probe for interfering in formula optical fiber water level monitoring system, characterized in that including being set to water pipe both sides
The first adjusting bracket and the second adjusting bracket, fixed optical fiber position-limiting drum in the middle part of first adjusting bracket and the second adjusting bracket；Described
One adjusting bracket bottom is fixed with slide construction, and the slide construction end is connect with elastic element, and water pipe hydraulic pressure pushes when increasing
First adjusting bracket and slide construction movement, so that elastic element compresses.
2. water-level probe as described in claim 1, characterized in that carried in the middle part of first adjusting bracket and the second adjusting bracket
Cavity, the optical fiber position-limiting drum are set in cavity.
3. water-level probe as described in claim 1, characterized in that the water pipe is hose, and water pipe one end is by seal assembly
Sealing, the other end is connected to side panel by connector.
4. water-level probe as claimed in claim 3, characterized in that the seal assembly includes the water pipe for being set to water pipe both sides
Water pipe is sandwiched in wherein by intermediate plate, two water pipe intermediate plates.
5. water-level probe as described in claim 1, characterized in that first adjusting bracket bottom is fixedly connected with connection sheet,
Connection sheet bottom is fixed on slide construction, and connection sheet side is fixed with riser, and riser is connect with elastic element, elastic element end
Portion is connect with block piece.
6. water-level probe as described in claim 1, characterized in that the slide construction include with the fixed sliding block of connection sheet,
Slider bottom is equipped with sliding rail.
7. water-level probe as described in claim 1, characterized in that second adjusting bracket, seal assembly, slide construction are solid
Due on bottom plate, bottom plate surrounding is fixedly connected with side plate, top plate is arranged at the top of side plate, side plate, top plate and bottom plate surround sealing
Body structure.
8. water-level probe as described in claim 1, characterized in that the water pipe extend on the outside of side plate by crossover sub with
Outer water tube is connected to.
9. a kind of interference formula optical fiber water level monitoring system, including such as claim 1-8 any one of them water-level probes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820277006.7U CN207779509U (en) | 2018-02-27 | 2018-02-27 | For interfering water-level probe and system in formula optical fiber water level monitoring system |
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| CN201820277006.7U CN207779509U (en) | 2018-02-27 | 2018-02-27 | For interfering water-level probe and system in formula optical fiber water level monitoring system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332822A (en) * | 2018-02-27 | 2018-07-27 | 吉林大学 | For interfering water-level probe and system and method in formula optical fiber water level monitoring system |
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2018
- 2018-02-27 CN CN201820277006.7U patent/CN207779509U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108332822A (en) * | 2018-02-27 | 2018-07-27 | 吉林大学 | For interfering water-level probe and system and method in formula optical fiber water level monitoring system |
| CN108332822B (en) * | 2018-02-27 | 2023-08-25 | 吉林大学 | Water level probe, system and method for interference type optical fiber water level monitoring system |
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