CN203231792U - Sensor for measuring elevation of water bottom and water surface - Google Patents
Sensor for measuring elevation of water bottom and water surface Download PDFInfo
- Publication number
- CN203231792U CN203231792U CN 201320254349 CN201320254349U CN203231792U CN 203231792 U CN203231792 U CN 203231792U CN 201320254349 CN201320254349 CN 201320254349 CN 201320254349 U CN201320254349 U CN 201320254349U CN 203231792 U CN203231792 U CN 203231792U
- Authority
- CN
- China
- Prior art keywords
- probe
- transparent glass
- colourless transparent
- sensor
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Images
Landscapes
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The utility model discloses a sensor for measuring the elevation of a water bottom and a water surface. The sensor comprises a fixed plate, a semicircular tubular piece, a flat plate, a measuring module, a lighting probe and a light-sensing probe; the lighting probe comprises a light emitting diode, a condensing lens and colorless transparent glass; the light-sensing probe comprises a photosensitive diode and colorless transparent glass; the lighting probe emits monochromatic light under the action of driving current; the after penetrating through the condensing lens and the colorless transparent glass to be incident to a medium in parallel, the monochromatic light is partially absorbed by the medium, penetrates through the colorless transparent glass of the light-sensing probe to be incident to the photosensitive diode and generates photocurrent in the photosensitive diode; the transmittance of the medium can be measured by measuring through the responding relation between the photocurrent and the driving current; and the sensor disclosed by the utility model is mounted at different elevation positions in the same location to measure the transmittance of the medium, judges the composition of the medium by comparing the transmittance with the transmittance areas corresponding to air, the water body and soil body, and can comprehensively obtain the vertical distribution and the interface position of the air, the water body and the soil body so as to finally obtain the elevation of the water bottom and the water surface.
Description
Technical field
The utility model relates to a kind of hydraulic engineering monitoring device, is specifically related to a kind of sensor of measuring water-bed and water surface absolute altitude.
Background technology
According to Lambert-Beer's law (Lambert-Beer Law), when a branch of collimated monochromatic ligth when containing the absorption cell of uniform medium, the part of light is absorbed by medium, a part sees through medium, a part is absorbed the pool surface reflection.And the light intensity that is absorbed by medium and medium build-in attribute---transmissivity is relevant.
In the middle of river, ocean, according to the transmissivity difference of air, water body, the soil body, can determine distribution and the interface location of certain place in the vertical direction air, water body and the soil body, finally determine the water surface and water-bed absolute altitude.Based on this characteristic, the utility model provides a kind of novel sensor, measures the water surface and water-bed absolute altitude, and then realizes the auto-real-time monitoring towards the silt state.
The utility model content
The purpose of this utility model is to provide a kind of sensor of measuring water-bed and water surface absolute altitude, determines the bottom and water surface absolute altitude by the logical photosensitiveness of air, water body, the soil body, thus the realization depth of water and towards the silt depth monitoring.
The technical solution that realizes the utility model purpose is:
Sensor comprises fixed head, semicircle section of jurisdiction, flat board, measurement module, luminescence probe, sensitization probe, main traverse line, intraphase conductor.Flat board is rectangle, horizontal positioned; Axis on the long limit of flat board is marked with a central point and two threading holes, and wherein, central point is positioned at the point midway of axis, and two threading holes lay respectively at the central point both sides, and threading hole connects dull and stereotyped upper and lower surface.Measurement module is fixedly installed to the center position of dull and stereotyped upper surface, and luminescence probe and sensitization probe are fixedly mounted on dull and stereotyped lower surface threading hole position respectively, and is connected with measurement module by intraphase conductor.The semicircle section of jurisdiction is provided with threading hole, and draw main traverse line from measurement module and pass threading hole on the semicircle section of jurisdiction, and with this threading hole sealing.The semicircle section of jurisdiction is covered measurement module, be connected sealing with the long limit of flat board, only expose the semicircle mouth of pipe at two ends, the mouth of pipe connects sealing with fixed head.
The said fixing plate side of being plate, four jiaos are provided with bolt hole.
Above-mentioned luminescence probe comprises probe tube, light emitting diode, collector lens, colourless transparent glass.Probe tube one end opening, the other end are remained silent, and have fenestra on the sidewall of closed end.Openend is fixedly mounted on above-mentioned dull and stereotyped lower surface threading hole position, closed end sidewall fenestra place embeds installs light emitting diode, collector lens, colourless transparent glass, wherein colourless transparent glass is positioned at the outermost layer at probe tube closed end sidewall fenestra place, directly contact with medium, collector lens and light emitting diode are fixed in the enclosure space of probe tube closed end and colourless transparent glass formation, according to be followed successively by colourless transparent glass, collector lens and light emitting diode to the interior order of pipe outside managing.Light emitting diode is connected with above-mentioned measurement module by intraphase conductor.
Above-mentioned sensitization probe comprises probe tube, photodiode, colourless transparent glass.Probe tube one end opening, the other end are remained silent, and have fenestra on the sidewall of closed end.Openend is fixedly mounted on above-mentioned dull and stereotyped lower surface threading hole position, closed end sidewall fenestra place embeds installs photodiode, colourless transparent glass, wherein colourless transparent glass is positioned at the outermost layer at probe tube closed end sidewall fenestra place, directly contact with medium, photodiode is fixed in the enclosure space of probe tube closed end and colourless transparent glass formation, according to be followed successively by colourless transparent glass, photodiode to the interior order of pipe outside managing.Photodiode is connected with above-mentioned measurement module by intraphase conductor.
Above-mentioned colourless transparent glass has good abrasion resistance, can stand long-term subaqueous corrosion.
When above-mentioned luminescence probe and sensitization probe are installed, colourless transparent glass in the luminescence probe is relative with colourless transparent glass in the sensitization probe, make the light of the light emitting diode ejaculation of luminescence probe, can see through collector lens and colourless transparent glass vertical irradiation to the photodiode surface of sensitization probe.
Working sensor principle of the present utility model and method are as follows:
The light emitting diode of luminescence probe is under the drive current effect in the sensor, emission monochromatic light, pass parallel injecting in the medium behind collector lens and the colourless transparent glass, monochromatic light is after medium partially absorbs, pass the sensitization probe colourless transparent glass, inject photodiode, in photodiode, produce photocurrent.There are following relation in photocurrent and drive current:
Ilc=Idc·Kl·Kr·T·Ra·Kev/A+Ie （1）
Wherein, Ilc is photocurrent, and namely the sensitization probe is subjected to the electric current that luminescence probe illumination effect produces; Idc is drive current, namely drives luminescence probe and launches monochromatic forward current; Kl is the luminous flux coefficient, i.e. the specific wavelength light quantity of monochromatic light that produces of per unit drive current; Kr is the reflected light correction factor, i.e. the reflex of collector lens and colourless transparent glass decay that the monochromatic light light intensity is caused; T is transmissivity, i.e. the ratio of transmitted light (transmiting the light of medium) light intensity and incident light (injecting the light in the medium) light intensity; Ra is that light covers ratio, and namely transmitted light covers the luminous flux of sensitization detecting probe surface and the ratio of total transmitted light luminous flux; Kev is luminosity coefficient, i.e. under the specific wavelength monochromatic light irradiation, and the photocurrent that per unit illumination produces in photodiode; A is photosensitive area, i.e. the area of photodiode surface sensitization part; Ie is the surround lighting electric current, i.e. the electric current that the irradiation of environment light source beyond luminescence probe sensitization probe produces.
Because it is the build-in attribute of luminescence probe and sensitization probe in the sensor that luminous flux COEFFICIENT K l, reflected light correction factor Kr, light cover than Ra, luminosity coefficient Kev, photosensitive area A, thus formula (1) but abbreviation is as follows:
Ilc=Idc·Ks·T+Ie （2）
Wherein, Ks=KlKrRaKev/A is sensor coefficient.
The ascending drive current of regulating measurement module output step by step makes the luminous flux of luminescence probe emission progressively improve, and by measuring the photocurrent that the sensitization probe is produced by illumination, obtains photocurrent-drive current curve, obtains straight slope after linear match.By formula (2) as can be known, this straight slope is only relevant with the product of sensor coefficient and medium transmissivity, on the basis of determining sensor coefficient, can measure the transmissivity of measured medium.In same place, the different level position installs sensor of the present utility model, the medium transmissivity is measured, by comparing with the corresponding transmissivity of air, water body and soil body interval, judge the material composition of medium, vertical distribution and the interface location of air, water body and the soil body in this place be can comprehensively draw, the water surface and water-bed absolute altitude finally determined.
Transducer calibration method of the present utility model is as follows:
In the unglazed environment of vacuum, the set environment temperature, the ascending drive current of regulating measurement module output step by step makes the luminous flux of luminescence probe emission progressively improve, by measuring the photocurrent that the sensitization probe is produced by illumination, set up the linear relationship between photocurrent and the drive current.Because transmissivity is 1 in a vacuum, according to formula (2) as can be known photocurrent-drive current rate of curve of this moment be the sensor coefficient of the utility model sensor.
The utility model compared with prior art, its remarkable advantage:
(1) measuring principle of the present utility model is simple and reliable: sensor of the present utility model, distinguish vertical distribution and the interface location of monitoring place gas, water body and the soil body by the measuring media transmissivity, namely determine that by photocurrent-drive current slope of a curve medium constitutes, finally determine the water surface and water-bed absolute altitude.This measuring method, Measuring Time short (less than 10 seconds), the ambient light during the measurement can not produce big variation, can be used as a constant and is converted into photocurrent by the sensitization probe, therefore photocurrent-drive current rate of curve is not had influence.
(2) sensor construction of the present utility model is reasonable: sensor of the present utility model adopts the probe-type structure, and drift is difficult for being bonded on the sensor, guarantees in the tested district consistent with the outer absolute altitude in district.
(3) sensor production technology of the present utility model is simple, easy for installation, has broad application prospects and good economic benefit.
(4) measuring accuracy height of the present utility model, its measuring accuracy can reach 0.1m, and can change precision according to specific requirement, and its precision mainly can realize by changing number of sensors and spacing size.
(5) the utility model can dash the monitoring of becoming silted up simultaneously to a plurality of monitoring points, can in a plurality of monitoring points sensor of the present utility model be installed according to monitoring requirements, realizes the regional whole monitoring of becoming silted up of dashing.
Description of drawings
Fig. 1 is the sensor construction synoptic diagram, and wherein Fig. 1 (a) is the sensor construction front elevation, and Fig. 1 (b) is the sensor construction side view.
Fig. 2 is the luminescence probe structural representation.
Fig. 3 is sensitization probe structure synoptic diagram.
Fig. 4 is embodiment 1 scheme of installation.
Fig. 5 is the support frame structure synoptic diagram.
Fig. 6 is embodiment 2 scheme of installations.
Fig. 7 is embodiment 3 scheme of installations.
Each label among the figure: sensor 1, fixed head 11, semicircle section of jurisdiction 12, flat board 13, measurement module 14, luminescence probe 15, light emitting diode 151, collector lens 152, sensitization probe 16, photodiode 161, main traverse line 171, intraphase conductor 172, probe tube 18, colourless transparent glass 19, bracing frame 2, last diagonal brace 22, horizontal support 23, following diagonal brace 24, back up pad 25, fixed mount 3, anchorage 4, draw-in groove 41, web member 5, navigation mark 6, anchor chain 7, anchor 8, guard 9, pore pressure gauge 10.
Embodiment
Below in conjunction with accompanying drawing the utility model is described in further detail.
In conjunction with Fig. 1, Fig. 2 and Fig. 3, sensor 1 comprises fixed head 11, semicircle section of jurisdiction 12, flat board 13, measurement module 14, luminescence probe 15, sensitization probe 16, main traverse line 171, intraphase conductor 172.Dull and stereotyped 13 are rectangle horizontal positioned; Axis on dull and stereotyped 13 long limits is marked with a central point and two threading holes, and wherein, central point is positioned at the point midway of axis, and two threading holes lay respectively at the central point both sides, and threading hole connects dull and stereotyped 13 upper and lower surface.Measurement module 14 is fixedly installed to the center position of dull and stereotyped 13 upper surfaces, and luminescence probe 15 and sensitization probe 16 are fixedly mounted on dull and stereotyped 13 lower surface threading hole positions respectively, and is connected with measurement module 14 by intraphase conductor 172.Semicircle section of jurisdiction 12 is provided with threading hole, and draw main traverse line 171 from measurement module 14 and pass threading hole on the semicircle section of jurisdiction 12, and with this threading hole sealing.Semicircle section of jurisdiction 12 is covered measurement module 14, connect sealing with dull and stereotyped 13 long side welds, only expose the semicircle mouth of pipe at two ends, mouth of pipe fixed head 11 welded seals.
Said fixing plate 11 side's of being plates, four jiaos are provided with bolt hole.
Above-mentioned luminescence probe 15 comprises probe tube 18, light emitting diode 151, collector lens 152, colourless transparent glass 19.Probe tube 18 1 end openings, the other end are remained silent, and have fenestra on the sidewall of closed end.Openend is fixedly mounted on above-mentioned dull and stereotyped 13 lower surface threading hole positions, closed end sidewall fenestra place embeds installs light emitting diode 151, collector lens 152, colourless transparent glass 19, wherein colourless transparent glass 19 is positioned at the outermost layer at probe tube 18 closed end sidewall fenestra places, directly contact with medium, collector lens 152 and light emitting diode 151 are fixed in the enclosure space of probe tube 18 closed ends and colourless transparent glass 19 formations, according to be followed successively by colourless transparent glass 19, collector lens 152 and light emitting diode 151 to the interior order of pipe outside managing.Light emitting diode 151 is connected with above-mentioned measurement module 14 by intraphase conductor 172.
Above-mentioned sensitization probe 16 comprises probe tube 18, photodiode 161, colourless transparent glass 19.Probe tube 18 1 end openings, the other end are remained silent, and have fenestra on the sidewall of closed end.Openend is fixedly mounted on above-mentioned dull and stereotyped 13 lower surface threading hole positions, closed end sidewall fenestra place embeds installs photodiode 161, colourless transparent glass 19, wherein colourless transparent glass 19 is positioned at the outermost layer at probe tube 18 closed end sidewall fenestra places, directly contact with medium, photodiode 161 is fixed in the enclosure space of probe tube 18 closed ends and colourless transparent glass 19 formations, according to be followed successively by colourless transparent glass 19, photodiode 161 to the interior order of pipe outside managing.Photodiode 161 is connected with above-mentioned measurement module 14 by intraphase conductor 172.
Above-mentioned colourless transparent glass 19 has good abrasion resistance, can stand long-term subaqueous corrosion.
When above-mentioned luminescence probe 15 and sensitization probe 16 are installed, colourless transparent glass 19 in the luminescence probe 15 is relative with colourless transparent glass 19 in the sensitization probe 15, make the light of light emitting diode 151 ejaculations of luminescence probe 15, can see through collector lens 152 and colourless transparent glass 19 vertical irradiations to photodiode 161 surfaces of sensitization probe 16.
(a1) install and measure module 14 in the center of dull and stereotyped 13 upper surfaces;
(a2) luminescence probe 15 and sensitization probe 16 are fixedly mounted on dull and stereotyped 13 lower surface threading hole positions respectively, the colourless transparent glass 19 in the luminescence probe 15 is relative with colourless transparent glass 19 in the sensitization probe 16;
(a3) luminescence probe 15 is connected with measurement module 14 by intraphase conductor 172 respectively with sensitization probe 16;
(a4) draw main traverse line 171 from measurement module 14 and stretch out by the threading hole on the semicircle section of jurisdiction 12, and with this threading hole sealing;
(a5) semicircle section of jurisdiction 12 is covered measurement module 14, connect sealing with dull and stereotyped 13 long side welds, only expose the semicircle mouth of pipe at two ends, mouth of pipe fixed head 11 welded seals.
The light emitting diode 151 of luminescence probe 15 is under the drive current effect in the sensor 1, emission monochromatic light, pass collector lens 152 and parallel the injecting in the medium in colourless transparent glass 19 backs, monochromatic light is after medium partially absorbs, pass sensitization probe 16 colourless transparent glass 19, inject photodiode 161, in photodiode 161, produce photocurrent.There are following relation in photocurrent and drive current:
Ilc=Idc·Kl·Kr·T·Ra·Kev/A+Ie （1）
Wherein, Ilc is photocurrent, and namely sensitization probe 16 is subjected to the electric current that luminescence probe 15 illumination effects produce; Idc is drive current, namely drives the monochromatic forward current of luminescence probe 15 emissions; Kl is the luminous flux coefficient, i.e. the specific wavelength light quantity of monochromatic light that produces of per unit drive current; Kr is the reflected light correction factor, i.e. the reflex of collector lens 152 and colourless transparent glass 19 decay that the monochromatic light light intensity is caused; T is transmissivity, i.e. the ratio of transmitted light (transmiting the light of medium) light intensity and incident light (injecting the light in the medium) light intensity; Ra is that light covers ratio, and namely transmitted light covers the luminous flux on sensitization probe 16 surfaces and the ratio of total transmitted light luminous flux; Kev is luminosity coefficient, i.e. under the specific wavelength monochromatic light irradiation, and the photocurrent that per unit illumination produces in photodiode 161; A is photosensitive area, i.e. the area of photodiode 161 surperficial sensitization parts; Ie is the surround lighting electric current, i.e. the electric current of environment light source irradiation sensitization probe 16 generations beyond the luminescence probe 15.
Because it is the build-in attribute of luminescence probe 15 and sensitization probe 16 in the sensor 1 that luminous flux COEFFICIENT K l, reflected light correction factor Kr, light cover than Ra, luminosity coefficient Kev, photosensitive area A, thus formula (1) but abbreviation is as follows:
Ilc=Idc·Ks·T+Ie （2）
Wherein, Ks=KlKrRaKev/A is sensor coefficient.
The ascending drive current of regulating measurement module 14 outputs step by step, make the luminous flux of luminescence probe 15 emissions progressively improve, by measuring the photocurrent that sensitization probe 16 is produced by illumination, obtain photocurrent-drive current curve, after linear match, obtain straight slope.By formula (2) as can be known, this straight slope is only relevant with the product of sensor coefficient and medium transmissivity, on the basis of determining sensor coefficient, can measure the transmissivity of measured medium.In same place, the different level position installs sensor 1 of the present utility model, the medium transmissivity is measured, by comparing with the corresponding transmissivity of air, water body and soil body interval, judge the material composition of medium, vertical distribution and the interface location of air, water body and the soil body in this place be can comprehensively draw, the water surface and water-bed absolute altitude finally determined.
In the unglazed environment of vacuum, the set environment temperature, the ascending drive current of regulating measurement module 14 outputs step by step, make the luminous flux of luminescence probe 15 emissions progressively improve, by measuring the photocurrent that sensitization probe 16 is produced by illumination, set up the linear relationship between photocurrent and the drive current.Because transmissivity is 1 in a vacuum, according to formula (2) as can be known photocurrent-drive current rate of curve of this moment be the sensor coefficient of the utility model sensor 1.
According to sensor 1 of the present utility model, provide three kinds of specific embodiments.
Embodiment 1:
In conjunction with Fig. 4 and Fig. 5, present embodiment is when being applicable to the submerged structure hot work in progress, to the installation of sensor 1.
Present embodiment is made up of sensor 1 and bracing frame 2.
Above-mentioned bracing frame 2 comprises diagonal brace 22, horizontal support 23, following diagonal brace 24, back up pad 25.Last diagonal brace 22, horizontal support 23, following diagonal brace 24 all are angle steel, and their end is to weld together, and the other end separately is fixed on the submerged structure sidewall.Back up pad 25 is steel plate, and the center is welded on diagonal brace 22, horizontal support 23, the position that welds together of diagonal brace 24 down, a bolt hole is respectively arranged near four jiaos, is used for the fixed head 11 of fixation of sensor 1.
The concrete implementation step of present embodiment is as follows:
(b1) back up pad 25 with bracing frame 2 is connected with fixed head 11 bolts at sensor 1 two ends respectively;
(b2) three forks that several are equipped with the bracing frame 2 of sensor 1 are fixedlyed connected with the submerged structure sidewall from the bottom up along the degree of depth successively, guarantee that having a plurality of sensors 1 to be distributed in air, water body, the soil body after the submerged structure construction finishes gets final product.
Embodiment 2:
In conjunction with Fig. 6, present embodiment is to be applicable to submerged structure between the operating period, to the installation of sensor 1.
Present embodiment is made up of sensing device and web member 5.
Above-mentioned sensing device is made up of sensor 1, fixed mount 3, anchorage 4.
The lattice pipe support that said fixing frame 3 is welded for L shaped shaped steel, one group of relative sidewall is welded with steel plate, and is provided with bolt hole.
Above-mentioned anchorage 4 is steel circular cone tube, and inside is welded with reinforcing bar, fills concrete, and end face is provided with circular draw-in groove 41, and fixed mount 3 is within draw-in groove 41 scopes.
The concrete implementation step of present embodiment is as follows:
(c1) fixed head 11 with a plurality of sensors 1 is connected and fixed with fixed mount 3 interior each layer sidewall steel plate bolts successively;
(c2) with the reinforcing bar welding in fixed mount 3 roots and the anchorage 4, and casting concrete;
(c3) the steel casing is enclosed within outside the fixed mount 3, insert in the draw-in groove 41 of anchorage 4 end faces the bottom;
(c4) the steel casing together is placed on the monitoring point together with sensing device;
(c5) hammering steel casing makes the steel casing drive sensing device and inserts in the soil, and a plurality of sensors 1 are distributed in air, water body, the soil body and get final product in sensing device, slowly mention the steel casing then, makes under water silt filling space gradually;
(c6) web member 5 is fixedlyed connected the fixed mount 3 of sensing device with the submerged structure sidewall.
Embodiment 3:
In conjunction with Fig. 7, present embodiment is to be applicable to that the offshore monitoring changes towards becoming silted up, and is particularly useful for the depth of water variation monitoring in navigation channel under water.
Present embodiment comprises sensor 1, navigation mark 6, anchor chain 7, anchor 8, guard 9, pore pressure gauge 10.
Navigation mark 6 is connected with anchor 8 by anchor chain 7, and anchor 8 stretches into the soil body by gravity and fixes, and makes navigation mark 6 be fixed on a water surface activity among a small circle.Pore pressure gauge 10 and sensor of the present utility model 1 bundle puts into guard 9.The guard 9 that is assembled with pore pressure gauge 10 and the utility model sensor 1 is hung on the anchor chain 7 along the degree of depth successively.Owing to there is following relation between degree of depth h and the hydraulic pressure p:
Wherein, h is the degree of depth, i.e. the distance of pore pressure gauge 10 positions and the water surface; P is hydraulic pressure, can be obtained by the value of reading of pore pressure gauge 10; ρ is the density of water, i.e. 1000kg/m
3G is acceleration of gravity, i.e. 9.8m/s
2
According to formula (3), can determine the distance of pore pressure gauge 10 positions and the water surface, determine that by sensor 1 of the present utility model this position is water body or the soil body, finally determine this regional depth of water.
More than show and described ultimate principle of the present utility model and principal character and advantage of the present utility model.The technician of the industry should understand; the utility model is not restricted to the described embodiments; that describes in above-described embodiment and the instructions just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall in claimed the utility model scope.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (5)
1. sensor of measuring water-bed and water surface absolute altitude, it is characterized in that: sensor (1) comprises fixed head (11), semicircle section of jurisdiction (12), flat board (13), measurement module (14), luminescence probe (15), sensitization probe (16), main traverse line (171), intraphase conductor (172); Dull and stereotyped (13) are rectangle horizontal positioned; Axis on dull and stereotyped (13) long limit is marked with a central point and two threading holes, and wherein, central point is positioned at the point midway of axis, and two threading holes lay respectively at the central point both sides, and threading hole connects the upper and lower surface of dull and stereotyped (13); Measurement module (14) is fixedly installed to the center position of flat board (13) upper surface, luminescence probe (15) and sensitization probe (16) are fixedly mounted on flat board (13) lower surface threading hole position respectively, and are connected with measurement module (14) by intraphase conductor (172); Semicircle section of jurisdiction (12) is provided with threading hole, and draw main traverse line (171) from measurement module (14) and pass threading hole on the semicircle section of jurisdiction (12), and with this threading hole sealing; Semicircle section of jurisdiction (12) are covered measurement module (14), be connected sealing with dull and stereotyped (13) long limit, only expose the semicircle mouth of pipe at two ends, the mouth of pipe connects sealing with fixed head (11).
2. the sensor of measuring water-bed and water surface absolute altitude according to claim 1, it is characterized in that: described fixed head (11) is square plate, and four jiaos are provided with bolt hole.
3. the sensor of measuring water-bed and water surface absolute altitude according to claim 1, it is characterized in that: described luminescence probe (15) comprises probe tube (18), light emitting diode (151), collector lens (152), colourless transparent glass (19); Probe tube (18) one end openings, the other end are remained silent, and have fenestra on the sidewall of closed end; Openend is fixedly mounted on described flat board (13) lower surface threading hole position, closed end sidewall fenestra place embeds installs light emitting diode (151), collector lens (152), colourless transparent glass (19), wherein colourless transparent glass (19) is positioned at the outermost layer at probe tube (18) closed end sidewall fenestra place, directly contact with medium, collector lens (152) and light emitting diode (151) are fixed in the enclosure space of probe tube (18) closed end and colourless transparent glass (19) formation, according to be followed successively by colourless transparent glass (19) to the interior order of pipe outside managing, collector lens (152) and light emitting diode (151); Light emitting diode (151) is connected with described measurement module (14) by intraphase conductor (172).
4. the sensor of measuring water-bed and water surface absolute altitude according to claim 1, it is characterized in that: described sensitization probe (16) comprises probe tube (18), photodiode (161), colourless transparent glass (19); Probe tube (18) one end openings, the other end are remained silent, and have fenestra on the sidewall of closed end; Openend is fixedly mounted on described flat board (13) lower surface threading hole position, closed end sidewall fenestra place embeds installs photodiode (161), colourless transparent glass (19), wherein colourless transparent glass (19) is positioned at the outermost layer at probe tube (18) closed end sidewall fenestra place, directly contact with medium, photodiode (161) is fixed in the enclosure space of probe tube (18) closed end and colourless transparent glass (19) formation, according to be followed successively by colourless transparent glass (19), photodiode (161) to the interior order of pipe outside managing; Photodiode (161) is connected with described measurement module (14) by intraphase conductor (172).
5. the sensor of measuring water-bed and water surface absolute altitude according to claim 1, it is characterized in that: when described luminescence probe (15) and sensitization probe (16) are installed, colourless transparent glass (19) in the luminescence probe (15) is relative with colourless transparent glass (19) in the sensitization probe (15), make the light of light emitting diode (151) ejaculation of luminescence probe (15), can see through collector lens (152) and colourless transparent glass (19) vertical irradiation to photodiode (161) surface of sensitization probe (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320254349 CN203231792U (en) | 2013-05-09 | 2013-05-09 | Sensor for measuring elevation of water bottom and water surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320254349 CN203231792U (en) | 2013-05-09 | 2013-05-09 | Sensor for measuring elevation of water bottom and water surface |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203231792U true CN203231792U (en) | 2013-10-09 |
Family
ID=49287912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320254349 Expired - Fee Related CN203231792U (en) | 2013-05-09 | 2013-05-09 | Sensor for measuring elevation of water bottom and water surface |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203231792U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267557A (en) * | 2013-05-09 | 2013-08-28 | 丁勇 | Sensor measuring scale heights of water bottom and water surface and manufacture and installing method thereof |
| CN109855697A (en) * | 2017-11-30 | 2019-06-07 | 深圳市美好创亿医疗科技有限公司 | Water quantity monitoring system, monitoring method and humidifier |
-
2013
- 2013-05-09 CN CN 201320254349 patent/CN203231792U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103267557A (en) * | 2013-05-09 | 2013-08-28 | 丁勇 | Sensor measuring scale heights of water bottom and water surface and manufacture and installing method thereof |
| CN109855697A (en) * | 2017-11-30 | 2019-06-07 | 深圳市美好创亿医疗科技有限公司 | Water quantity monitoring system, monitoring method and humidifier |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104197852B (en) | Reservoir dam depression and horizontal displacement monitoring system | |
| CN100588897C (en) | Apparatus and method for measuring road bed sedimentation from long distance by laser | |
| CN201429416Y (en) | Automatic lifting measurement device for movable type inclinometer | |
| CN103776499B (en) | Cold seepage gas seepage flow ultrasonic measurement system in situ | |
| CN101008581A (en) | Laser measurement liquid level meter | |
| CN104067112A (en) | Scanning method and apparatus | |
| CN109253765A (en) | River discharge monitors measuring system and method for calculating flux on-line | |
| CN203231792U (en) | Sensor for measuring elevation of water bottom and water surface | |
| CN102519927B (en) | Multichannel fluorescence test system and method of water concentration field | |
| CN102981180A (en) | Water Cerenkov light high-energy particle detector | |
| CN103345004B (en) | Adopt rainfall monitoring network and the method for fiber grating siphon rainfall recorder | |
| TWI388807B (en) | Measurement System and Method of Unit - type Sand Concentration and Flow Rate Ultrasonic Measurement | |
| CN103267557A (en) | Sensor measuring scale heights of water bottom and water surface and manufacture and installing method thereof | |
| CN204902952U (en) | Improve husky interface of water appearance of structure | |
| CN206546156U (en) | Tunnel arch top settlement monitoring device based on distribution type fiber-optic | |
| CN110887547B (en) | Ocean tide level continuous monitoring device | |
| CN205448987U (en) | Structural distortion who utilizes laser sensors measures and collection system | |
| CN103133255B (en) | Kite water level lifting device, hydroelectric generator and irrigation device | |
| CN108106543B (en) | Side slope monitoring multipoint displacement sensor based on optical fiber bending loss | |
| CN217006892U (en) | Reading device for acquiring height of penetration test water head by utilizing laser | |
| CN103292866A (en) | Light reflex based water gauge for monitoring water levels | |
| CN103808282A (en) | Anchorage structure displacement monitoring device and method | |
| CN110388878A (en) | A kind of detection device of real-time measurement riverway sludge thickness | |
| CN210664467U (en) | Artificial fish reef rising water flow monitoring device | |
| CN206756233U (en) | For monitoring the data acquisition platform of tidal waterway section flow |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131009 Termination date: 20160509 |