CN106053418B - Oil sensor in contactless water - Google Patents
Oil sensor in contactless water Download PDFInfo
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- CN106053418B CN106053418B CN201610594565.6A CN201610594565A CN106053418B CN 106053418 B CN106053418 B CN 106053418B CN 201610594565 A CN201610594565 A CN 201610594565A CN 106053418 B CN106053418 B CN 106053418B
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/62—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light
- G01N21/63—Systems in which the material investigated is excited whereby it emits light or causes a change in wavelength of the incident light optically excited
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Abstract
The invention discloses oil sensors in a kind of contactless water, it is smooth including outer housing and inner surface and extend into the intracorporal conduit of shell, and the sensing testing device in outer housing is set, sensing testing device includes pedestal and double light path signal sensor, light trapping is connected on double light path signal sensor, double light path signal sensor includes inner housing and the light source generator that is arranged in inner housing, optical splitter, reference light paths detector and optical path detector, optical path detector includes optical path incidence channel and optical path channel, optical path incidence channel and optical path channel, which cross, is provided with measurement cavity at position, the first optical window is provided at the position of measurement cavity in optical path incidence channel, the second optical window is provided at the position of measurement cavity in optical path channel.It is of the invention novel in design, it can be achieved that oil content in non-contact detection and real time on-line monitoring water, pollution-free.
Description
Technical field
The invention belongs to sensor technical fields, and in particular to oil sensor in a kind of contactless water.
Background technique
More serious with water pollution phenomenon, water quality detection is by more and more extensive concern, wherein mineral oils substance
Water pollution is become can not be ignored.Therefore, fast slowdown monitoring mineral oil in water substance content, real-time and accurately reflects current water
Matter situation, monitoring management and sewage treatment for water resource environment etc. have Great significance, nowadays more
In common water oily detection method mainly include infrared spectrophotometer, non-dispersive infrared photometry, ultraviolet spectrophotometry with
And ultraviolet fluorescence method, wherein the detecting step ratio of infrared spectrophotometer, non-dispersive infrared photometry and ultraviolet spectrophotometry
It is cumbersome, it is required to just test after extracting prepare liquid, can not accomplish real time on-line monitoring；And ultraviolet fluorescence method is smaller dense
Although can realize the real-time monitoring of oil content in water in degree range, existing market only has the related detection device of contact, deposits
In the defect that cleaning is difficult, therefore, nowadays lack a kind of structure is simple, small in size, at low cost, design rationally, can exist in real time
Line detects oil sensor in the contactless water of water quality, water quality to be measured can be passed through conduit and be realized by double light path signal sensor
Non-contact detection water quality, replacement or cleaning are simple, using the double-deck shading shell, can avoid by light source, external environment and light
The interference that energy fluctuation generates test result, low-power consumption, detection process are pollution-free.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of contactless
Oil sensor in water, it is novel in design rationally, it can be achieved that oil content, continuous work in non-contact detection and real time on-line monitoring water
There is higher stability and sensitivity, pollution-free, low-power consumption, convenient for promoting the use of when making.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: oil sensor in a kind of contactless water,
It is characterized in that: it is smooth including outer housing and inner surface and extend into inside outer housing for guiding the conduit of water quality to be measured, and
Sensing testing device in outer housing is set, the sensing testing device include double light path signal sensor and with double light
The pedestal that road signal sensor matches, is connected on the double light path signal sensor and the double light path signal sensor connects
Logical light trapping, the double light path signal sensor include inner housing and the light source generator being arranged in inner housing and institute
It states the optical splitter of light source generator connection, the optical splitter side is set and the reference light perpendicular with the light source generator
Road detector and the optical path detector that the optical splitter other side is arranged in, the optical path detector include measurement light
Road incidence channel and the optical path channel perpendicular with the optical path incidence channel, the optical path incidence channel with
The optical path channel, which crosses, is provided with the measurement cavity of hollow structure at position, connects at the top of the conduit and measurement cavity
It is logical, it is connected at light trapping and the position that crosses in the optical path incidence channel and the optical path channel, the measurement light
The first optical window, close measurement in the optical path channel are provided in the incidence channel of road at the position of measurement cavity
The second optical window is provided at the position of cavity.
Oil sensor in above-mentioned contactless water, it is characterised in that: the light source generator includes light source incidence channel
And the light source being arranged in the light source incidence channel and the first convex lens being arranged on rear side of light source, light source is LED light source,
Power interface is connected on the LED light source, one end of power interface extend into the light source incidence channel to enter with the light source
It penetrates channel to be fixedly connected, the other end of power interface is exposed on the outer surface of outer housing.
Oil sensor in above-mentioned contactless water, it is characterised in that: the reference light paths detector includes reference reflection
Channel and the second convex lens being successively set in the reference reflection channel, third convex lens and reference photodetector,
Second convex lens is installed close to optical splitter side, is connected to reference signal output interface on reference photodetector, reference signal is defeated
One end of outgoing interface extend into the reference reflection channel and is fixedly connected with the reference reflection channel, and reference signal output connects
The other end of mouth is exposed on the outer surface of outer housing.
Oil sensor in above-mentioned contactless water, it is characterised in that: the first optics in the optical path incidence channel
The front end of window is provided with the 4th convex lens, the primary optical axis of the 4th convex lens and the key light overlapping of axles of the first convex lens.
Oil sensor in above-mentioned contactless water, it is characterised in that: the second optical window in the optical path channel
Rear side is disposed with the 5th convex lens, the 6th convex lens, optical filter and measurement photodetector, measures and connects on photodetector
There is measuring signal output interface, one end of measuring signal output interface is extend into the optical path channel and the measurement light
Paths are fixedly connected, and the other end of measuring signal output interface is exposed on the outer surface of outer housing.
Oil sensor in above-mentioned contactless water, it is characterised in that: the power interface, reference signal output interface and
Measuring signal output interface is sub-miniature A connector；The light source incidence channel, the reference reflection channel, the optical path enter
Channel, the optical path channel and the inner housing processing and fabricating is penetrated to be integrated.
Oil sensor in above-mentioned contactless water, it is characterised in that: the pedestal is fixedly mounted on outer housing medial surface
On, the through-hole of the bottom connection of measurement cavity is provided on pedestal, outer housing and inner housing are black shading shell.
Oil sensor in above-mentioned contactless water, it is characterised in that: the light trapping is black ox horn formula light trapping.
Oil sensor in above-mentioned contactless water, it is characterised in that: the optical splitter is pellicle beamsplitter.
Compared with the prior art, the present invention has the following advantages:
1, the present invention is by setting outer housing and inner housing bilayer shading shell, can avoid by light source, external environment and
Light energy fluctuates the interference generated to test result, convenient for promoting the use of.
2, it is homologous to optical path detector bring dry largely to weaken light source by setting light trapping by the present invention
It disturbs, reliable and stable, using effect is good.
3, the present invention passes through the pulse signal with fixed frequency that light source issues by setting double light path signal sensor
After crossing optical splitter processing, the optical signal of two-way identical frequency is obtained, optical signal directly passes through reference light paths detector and converts all the way
For current signal；Another way is by being converted to current signal, optical path detector by optical path detector after prepare liquid
In optical path incidence channel and optical path channel on be respectively provided with optical window, guarantee the maximum light transmission of light source, keep away
Exempt from absorption of the impurity in air to light source, reduce the error of comparison, using effect is good.
4, the present invention is novel in design rationally, small in size, it can be achieved that oil-containing in non-contact detection and real time on-line monitoring water
Amount, convenient for promoting the use of.
In conclusion the present invention is novel in design rationally, it can be achieved that oil-containing in non-contact detection and real time on-line monitoring water
Amount, running hours have higher stability and sensitivity, pollution-free, low-power consumption, convenient for promoting the use of.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Description of symbols:
1-outer housing；2-pedestals；3-inner housings；
4-optical splitters；5-the first convex lens；6-light sources；
7-power interfaces；8-snap rings；9-the second convex lens；
10-third convex lenses；11-reference photodetectors；12-the four convex lens；
13-the first optical window；14-measurement cavitys；15-light trappings；
16-the second optical window；17-the five convex lens；18-the six convex lens；
19-optical filters；20-measurement photodetectors；
21-reference signal output interfaces；22-measuring signal output interfaces.
Specific embodiment
As shown in Figure 1, the present invention include outer housing 1 and inner surface it is smooth and extend into inside outer housing 1 for guide to
The conduit of water quality is surveyed, and the sensing testing device being arranged in outer housing 1, the sensing testing device include double light path signal
Detector and the pedestal 2 matched with the double light path signal sensor, are connected on the double light path signal sensor and institute
The light trapping 15 of double light path signal sensor connection is stated, the double light path signal sensor is including inner housing 3 and setting
Light source generator in shell 3, the optical splitter 4 being connect with the light source generator, setting 4 side of optical splitter and with institute
The perpendicular reference light paths detector of light source generator and the optical path detector that 4 other side of optical splitter is set are stated,
The optical path detector includes optical path incidence channel and the measurement light perpendicular with the optical path incidence channel
Paths, the optical path incidence channel and the optical path channel, which cross, is provided with the measurement chamber of hollow structure at position
Body 14, the conduit are connected to the top of measurement cavity 14, light trapping 15 and the optical path incidence channel and the measurement
It is connected at the position that crosses of path channels, is provided with the in the optical path incidence channel at the position of measurement cavity 14
One optical window 13 is provided with the second optical window 16 at the position of measurement cavity 14 in the optical path channel.
As shown in Figure 1, the pedestal 2 is fixedly mounted on 1 medial surface of outer housing, measurement cavity 14 is provided on pedestal 2
Bottom connection through-hole, it is preferable that outer housing 1 and inner housing 3 are black shading shell, black shell not reflection light,
Guarantee that the light source of the light source generator does not detract.
It should be noted that the apopore being connected to the through-hole is provided on the side of the outer housing 1 of mounting seat 2, it is real
In use, conduit connection is equipped with the measuring cell of water quality to be measured, the water quality to be measured in measuring cell is successively worn through the conduit on border
It crosses the double light path signal sensor, pedestal and outer housing 1 to flow out, the smooth catheter inside surface is in order to avoid water quality to be measured
It is deformed when flowing into measurement cavity 14, the water column and the first optical window 13 that are flowed into measurement cavity 14 and the second optical window 16
Between have a gap, realize non-contact detection water quality to be measured.
In the present embodiment, the light source generator, optical splitter 4, the reference light paths detector and the optical path are visited
Device is surveyed to be arranged in inner housing 3, inner housing 3 is arranged in outer housing 1, the conduit extend into outer housing 1 and simultaneously with
Measurement cavity 14 in inner housing 3 is connected to, and the setting of the black shading shell of 3 bilayer of outer housing 1 and inner housing is in order to guarantee
That states the water quality measurement environment to be measured of conduit guidance is not fluctuated the interference generated to test result by external light source and light energy.
As illustrated in fig. 1, it is preferred that the optical splitter 4 is pellicle beamsplitter.
It should be noted that optical splitter 4 is tiltedly mounted on the light source generator and the reference light paths detector, and
The light source generator and the perpendicular laying of reference light paths detector, the inclined angle of optical splitter 4 guarantee the light source hair
The optical path that raw device issues and the optical path for reflecting into the reference light paths detector are perpendicular, realize in the reference light paths detector
Optical power loss is minimum.
The reference light paths detector and the optical path detector are separately positioned on the two sides of optical splitter 4, through being divided
Light after device 4 reflects enters the reference light paths detector, and the light after the transmission of optical splitter 4 is visited into the optical path
Device is surveyed, the optical path detector includes optical path incidence channel and the survey perpendicular with the optical path incidence channel
Measure path channels, it is clear that the light path after the transmission of optical splitter 4 is bigger than the light path after the reflection of optical splitter 4, and optical path incidence is logical
There are gas interference in road and optical path channel, it is easy to absorb the light source that the light source generator issues, in the measurement light
It is provided with the first optical window 13 at the position of measurement cavity 14 in the incidence channel of road, is leaned in the optical path channel
It is provided with the second optical window 16 at the position of nearly measurement cavity 14, guarantees that the light after the transmission of optical splitter 4 is maximum
Through, the loss of energy in reduction propagation path of light, while the light of optical path incidence channel incidence is radiated at measurement cavity
On water quality water column to be measured in 14, oil in water quality to be measured is excited to issue fluorescence, the fluorescence is as second light source through optical path
Channel measurement.
As illustrated in fig. 1, it is preferred that the light trapping 15 is black ox horn formula light trapping.
It is connected to, uses at light trapping 15 and the position that crosses in the optical path incidence channel and the optical path channel
Light trapping 15 be in order to light by the optical path incidence channel, measurement cavity 14 in water quality to be measured and the measurement light
When paths, path changes, and avoids light from passing through with water quality back reflection to be measured into water quality to be measured, gives the optical path
Light in channel brings homologous interference, to bring measurement error.
As shown in Figure 1, the light source generator includes light source incidence channel and is arranged in the light source incidence channel
Light source 6 and the first convex lens 5 of the rear side of light source 6 is set, light source 6 is LED light source, is connected to power supply on the LED light source and connects
Mouth 7, one end of power interface 7 extend into the light source incidence channel and are fixedly connected with the light source incidence channel, and power supply connects
The other end of mouth 7 is exposed on the outer surface of outer housing 1.
It should be noted that during the light source device of the light source generator is chosen, by sepectrophotofluorometer,
Analysis experiment is carried out to water quality to be measured in advance, the maximum excitation wavelength and fluorescence of the water quality to be measured have been determined according to experimental result
The experimental result of wavelength, sepectrophotofluorometer provides foundation for the selection of light source.
In the present embodiment, light source 6 and the first convex lens are successively installed in the light source incidence channel of the light source generator
5, preferred light source 6 uses LED light source, and power interface 7 can connect the power supply with impulse modulation function, by having
The power supply of the power supply of impulse modulation function, the pulsed optical signals of the capable of emitting fixed frequency of light source 6, passes through the first convex lens 5
The optical signal of multiple convergences is reached into optical splitter 4, the setting of the first convex lens 5 is the optical signal in order to enhance the sending of light source 6, is subtracted
The light source dissipated less.
As shown in Figure 1, the reference light paths detector includes reference reflection channel and to be successively set on the reference anti-
The second convex lens 9, third convex lens 10 and the reference photodetector 11 in channel are penetrated, the second convex lens 9 is close to optical splitter 4 one
Side is installed, and is connected to reference signal output interface 21 on reference photodetector 11, one end of reference signal output interface 21 is protruded into
It is fixedly connected in the reference reflection channel with the reference reflection channel, the other end of reference signal output interface 21 is exposed
On the outer surface of outer housing 1.
In the present embodiment, the second convex lens 9, third convex lens 10 and reference are disposed in the reference reflection channel
Photodetector 11, the light after the reflection of optical splitter 4 will appear scattering, the second convex lens 9 and 10 liang of third convex lens is arranged
Grade collective optics be in order to which the reference signal all the way for issuing light source 6 converges to the greatest extent, and pass through reference photodetector
11 convert optical signals to electric signal output, convenient for the acquisition process of subsequent reference signal.
As shown in Figure 1, the front end of the first optical window 13 is provided with the 4th convex lens in the optical path incidence channel
12, the key light overlapping of axles of the primary optical axis of the 4th convex lens 12 and the first convex lens 5.
It should be noted that light is the signal along straightline propagation, the primary optical axis of the 4th convex lens 12 and the first convex lens 5
Key light overlapping of axles be in order to maximum magnitude acquisition through optical splitter 4 transmission after light, if the primary optical axis of the 4th convex lens 12
It misplaces with the primary optical axis of the first convex lens 5, inevitably will cause the loss of optical signal, it can be by institute using the 4th convex lens 12
State the light convergence scattered in optical path incidence channel.
As shown in Figure 1, be disposed on rear side of the second optical window 16 in the optical path channel the 5th convex lens 17,
6th convex lens 18, optical filter 19 and measurement photodetector 20, measure photodetector 20 on be connected to measuring signal output connect
Mouth 22, one end of measuring signal output interface 22 are extend into the optical path channel and the fixed company in the optical path channel
It connects, the other end of measuring signal output interface 22 is exposed on the outer surface of outer housing 1.
It should be noted that optical filter 19 selects optical filter matched with oil sending fluorescence, according to fluorescence spectrophotometry
Count experiment excitation wavelength and wavelength of fluorescence as a result, choosing the optical filtering that passes through of effective wavelength of the fluorescence issued for oil
Piece.
In the present embodiment, the light in the optical path channel after the transmission of the second optical window 16 will appear scattering,
5th convex lens 17 is set and 18 two-stage collective optics of the 6th convex lens be for the another way measuring signal that issues light source 6 most
The convergence of big degree, inevitably will appear noise jamming on the propagation path of light, and setting optical filter 19 is in order to will be compared with
Clutter on big light path filters out, and guarantees that effective optical signal passes through, and effective optical signal is by measuring photodetector 20 for light
Signal is converted to electric signal output, convenient for the acquisition process of subsequent measuring signal.
Actual installation is in use, the first convex lens 5, the second convex lens 9, third convex lens 10, the 4th convex lens the 12, the 5th
Convex lens 17, the 6th convex lens 18, the first optical window 13, the second optical window 16 and the installation of optical filter 19 are on the various channels
Shi Jun is by 8 activity installation of snap ring, and convenient for subsequent disassembly and replacement element, using effect is good.
As shown in Figure 1, the power interface 7, reference signal output interface 21 and measuring signal output interface 22 are SMA
Connector, sub-miniature A connector are a kind of universal joint, and the selection of sub-miniature A connector is so that input signal is connect with output signal with external equipment
It is convenient；The light source incidence channel, the reference reflection channel, the optical path incidence channel, the optical path channel
It is integrated with 3 processing and fabricating of inner housing.
Application method of the invention are as follows: be respectively connected to reference signal output interface 21 and measuring signal output interface 22 outer
In portion's signal condition equipment, the external signal conditioning device can be by reference signal output interface 21 and measuring signal output interface
The electric signal of 22 output ends carries out optical power conversion and is passed through water quality to be measured convenient for the water oil concentration of measurement of comparison water quality to be measured
In the conduit, the pulse power of certain frequency is passed through for power interface 7, the pulse power is the power supply of light source 6, and light source 6 issues one
Determine the optical signal of frequency, which propagates to optical splitter 4 through the enhancing of 5 optical signal of the first convex lens, and optical splitter 4 is by the light of enhancing
Signal is divided into the identical optical signal of two-way frequency, detects all the way for the signal after the reflection of optical splitter 4 vertically into reference light paths
Device, another way are that the signal after the transmission of optical splitter 4 enters optical path detector；Into the optical signal of reference light paths detector
It is radiated on reference photodetector 11 through the second convex lens 9 and the convergence of third convex lens 10 and is converted to reference electric signal, reference
Electric signal enters external signal conditioning device by reference signal output interface 21；Optical signal into optical path detector passes through
The maximum light transmission of the first optical window 13 is used after 4th convex lens, 12 optically focused, avoids in paths gas to light
It absorbs, the water quality to be measured in light excitation measurement cavity 14 after the first optical window 13 issues fluorescence, which enters institute
Optical path channel is stated, the light trapping 15 after measuring the water quality to be measured in cavity 14 plays holding to optical signal, avoids light
It is described by, into water quality to be measured, bringing homologous interference to the light in the optical path channel with water quality back reflection to be measured
The maximum light transmission of the second optical window 16 on optical path channel, light is using the 5th convex lens 17 and the 6th convex lens
Through 19 filtering clutter of optical filter after the convergence of mirror 18, the optical signal of filtering clutter is radiated on measurement photodetector 20 and is converted to survey
Electric signal is measured, measurement electric signal enters external signal conditioning device by measuring signal output interface 22, wherein while repeatedly obtaining
Take in the reference light paths detector that measuring signal output connects in reference signal output interface 21 and the optical path detector
The data of 22 output of mouth, can exclude light source variation bring influences, and is exported according to measuring signal in the optical path detector
The different data that interface 22 exports calculates oily concentration variation, the non-contacting measurement for realizing oil concentration in water, pollution-free, low function
Consumption, can continuous work, have higher stability and sensitivity.
The above is only presently preferred embodiments of the present invention, is not intended to limit the invention in any way, it is all according to the present invention
Technical spirit any simple modification to the above embodiments, change and equivalent structural changes, still fall within skill of the present invention
In the protection scope of art scheme.
Claims (8)
1. oil sensor in a kind of contactless water, it is characterised in that: smooth including outer housing (1) and inner surface and extend into outer
For guiding the conduit of water quality to be measured, and the sensing testing device being arranged in outer housing (1), the biography inside shell (1)
Sense test device includes double light path signal sensor and the pedestal (2) matched with the double light path signal sensor, described double
The light trapping (15) being connected to the double light path signal sensor is connected on optical path signal detector, the double light path signal is visited
Surveying device includes inner housing (3) and the light source generator being arranged in inner housing (3), the light splitting connecting with the light source generator
Device (4), setting exist in the optical splitter (4) side and the reference light paths detector perpendicular with the light source generator and setting
The optical path detector of optical splitter (4) other side, the optical path detector include optical path incidence channel and
The perpendicular optical path channel with the optical path incidence channel, the optical path incidence channel and the optical path
Channel, which crosses, is provided with the measurement cavity (14) of hollow structure at position, and the conduit is connected to the top of measurement cavity (14),
It is connected at light trapping (15) and the position that crosses in the optical path incidence channel and the optical path channel, the measurement light
It is provided with the first optical window (13) at the position of measurement cavity (14) in the incidence channel of road, in the optical path channel
The second optical window (16) are provided at the position of measurement cavity (14)；
The pedestal (2) is fixedly mounted on outer housing (1) medial surface, and the bottom of measurement cavity (14) is provided on pedestal (2)
The through-hole of connection, outer housing (1) and inner housing (3) are black shading shell；
The apopore being connected to the through-hole is provided on the side of the outer housing (1) of mounting seat (2).
2. oil sensor in contactless water described in accordance with the claim 1, it is characterised in that: the light source generator includes light
Source incidence channel and the light source being arranged in the light source incidence channel (6) and the first convex lens being arranged on rear side of light source (6)
Mirror (5), light source (6) are LED light source, are connected to power interface (7) on the LED light source, one end of power interface (7) extend into institute
It states and is fixedly connected in light source incidence channel with the light source incidence channel, the other end of power interface (7) is exposed at outer housing (1)
Outer surface on.
3. oil sensor in contactless water according to claim 2, it is characterised in that: the reference light paths detector packet
The second convex lens (9), the third convex lens (10) for including reference reflection channel and being successively set in the reference reflection channel
With reference photodetector (11), the second convex lens (9) is installed close to optical splitter (4) side, on reference photodetector (11)
Be connected to reference signal output interface (21), one end of reference signal output interface (21) extend into the reference reflection channel with
The reference reflection channel is fixedly connected, and the other end of reference signal output interface (21) is exposed at the outer surface of outer housing (1)
On.
4. oil sensor in contactless water described in accordance with the claim 3, it is characterised in that: the optical path incidence channel
The front end of interior first optical window (13) is provided with the 4th convex lens (12), the primary optical axis and the first convex lens of the 4th convex lens (12)
The key light overlapping of axles of mirror (5).
5. oil sensor in contactless water according to claim 4, it is characterised in that: in the optical path channel
The 5th convex lens (17), the 6th convex lens (18), optical filter (19) and measurement light are disposed on rear side of two optical windows (16)
Electric explorer (20) measures and is connected to measuring signal output interface (22), measuring signal output interface on photodetector (20)
(22) one end extend into the optical path channel and is fixedly connected with the optical path channel, measuring signal output interface
(22) the other end is exposed on the outer surface of outer housing (1).
6. oil sensor in contactless water according to claim 5, it is characterised in that: the power interface (7), reference
Signal output interface (21) and measuring signal output interface (22) are sub-miniature A connector；The light source incidence channel, the reference are anti-
Channel, the optical path incidence channel, the optical path channel and the inner housing (3) processing and fabricating is penetrated to be integrated.
7. oil sensor in contactless water described in accordance with the claim 1, it is characterised in that: the light trapping (15) is black
Ox horn formula light trapping.
8. oil sensor in contactless water described in accordance with the claim 1, it is characterised in that: the optical splitter (4) is film
Optical splitter.
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| CN201610594565.6A CN106053418B (en) | 2016-07-26 | 2016-07-26 | Oil sensor in contactless water |
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| CN107144527B (en) * | 2017-06-12 | 2023-11-10 | 智慧盈通（北京）工业技术有限公司 | Detection equipment and light source spectroscope and luminosity detection module used for same |
| CN107589074B (en) * | 2017-10-30 | 2023-07-07 | 陕西正大环保科技有限公司 | Anti-fouling structure and method of non-contact water quality sensor |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412544A (en) * | 2001-10-12 | 2003-04-23 | 国家海洋局第一海洋研究所 | Portable real time fibre-optic fluorophotometer |
| KR100897053B1 (en) * | 2008-11-28 | 2009-05-14 | (주)태진스메트 | Oil in water analyzer |
| CN102374979A (en) * | 2010-08-06 | 2012-03-14 | 中国科学院烟台海岸带研究所 | Petroleum-type pollutant detection system and detection method |
| KR101133893B1 (en) * | 2011-12-19 | 2012-04-09 | 주식회사 지퓨텍 | Non-contacting type cell for oil in water analyzer |
| WO2014075724A1 (en) * | 2012-11-15 | 2014-05-22 | Nemor Technologies Oü | Unit and method for optical non-contact oil detection |
| CN205844193U (en) * | 2016-07-26 | 2016-12-28 | 陕西正大环保科技有限公司 | Oil sensor in contactless water |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6704109B2 (en) * | 2001-01-23 | 2004-03-09 | Schlumberger Technology Corporation | Downhole fluorescence detection apparatus |
-
2016
- 2016-07-26 CN CN201610594565.6A patent/CN106053418B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1412544A (en) * | 2001-10-12 | 2003-04-23 | 国家海洋局第一海洋研究所 | Portable real time fibre-optic fluorophotometer |
| KR100897053B1 (en) * | 2008-11-28 | 2009-05-14 | (주)태진스메트 | Oil in water analyzer |
| CN102374979A (en) * | 2010-08-06 | 2012-03-14 | 中国科学院烟台海岸带研究所 | Petroleum-type pollutant detection system and detection method |
| KR101133893B1 (en) * | 2011-12-19 | 2012-04-09 | 주식회사 지퓨텍 | Non-contacting type cell for oil in water analyzer |
| WO2014075724A1 (en) * | 2012-11-15 | 2014-05-22 | Nemor Technologies Oü | Unit and method for optical non-contact oil detection |
| CN205844193U (en) * | 2016-07-26 | 2016-12-28 | 陕西正大环保科技有限公司 | Oil sensor in contactless water |
Non-Patent Citations (3)
| Title |
|---|
| 基于荧光法检测海水中油含量的传感器研制;褚东志;《山东科学》;20121231;第25卷(第6期);第95页 |
| 水中油检测方法分析及应用研究;王毅等;《天津职业院校联合学报》;20120531;第14卷(第5期);第51-56页 |
| 紫外荧光法水中油在线检测系统的研究;史丽娟等;《长春大学学报》;20070831;第17卷(第4期);第38-39页 |
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