CN109358025A - A Sludge Detection Device Based on Diffuse Reflection - Google Patents
A Sludge Detection Device Based on Diffuse Reflection Download PDFInfo
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- CN109358025A CN109358025A CN201811311068.6A CN201811311068A CN109358025A CN 109358025 A CN109358025 A CN 109358025A CN 201811311068 A CN201811311068 A CN 201811311068A CN 109358025 A CN109358025 A CN 109358025A
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- 239000010802 sludge Substances 0.000 title claims abstract description 39
- 238000001514 detection method Methods 0.000 title claims abstract description 26
- 230000003287 optical effect Effects 0.000 claims abstract description 43
- 239000000523 sample Substances 0.000 claims abstract description 23
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 40
- 230000003321 amplification Effects 0.000 claims description 10
- 238000003199 nucleic acid amplification method Methods 0.000 claims description 10
- 238000004891 communication Methods 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims 1
- 230000000149 penetrating effect Effects 0.000 claims 1
- 239000004575 stone Substances 0.000 claims 1
- 238000007689 inspection Methods 0.000 abstract description 9
- 238000005516 engineering process Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000001914 filtration Methods 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical group O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000004907 flux Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
-
- G—PHYSICS
- G01—MEASURING; TESTING
- 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
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/4738—Diffuse reflection, e.g. also for testing fluids, fibrous materials
- G01N2021/4764—Special kinds of physical applications
- G01N2021/4769—Fluid samples, e.g. slurries, granulates; Compressible powdery of fibrous samples
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
本发明公开了一种基于漫反射的污泥检测装置，包括壳体、固定基座、探头、第一光电探测器、光源、第二光电探测器、第一光学窗口、第二光学窗口和电路板，固定基座的一端设有开口；探头设于壳体上，其接收的光通过所述固定基座上的开口进入固定基座内；第一光电探测器设于固定基座上，其入光方向与探头的出光方向相同；光源和第二光电探测器分别位于第一光电探测器的两侧，三者的光路相交于一点；第一光学窗口和第二光学窗口分别设于第一光电探测器和第二光电探测器的入光光路上；电路板设于壳体内，分别与第一光电探测器、第二光电探测器和光源相连。本发明能够快速、直接地完成污泥浓度检测，对检验技术人员专业知识几乎无特别要求，大大节约了人力成本。
The invention discloses a sludge detection device based on diffuse reflection, comprising a casing, a fixed base, a probe, a first photodetector, a light source, a second photodetector, a first optical window, a second optical window and a circuit one end of the fixed base is provided with an opening; the probe is set on the casing, and the light received by the probe enters the fixed base through the opening on the fixed base; the first photodetector is set on the fixed base, which The light incident direction is the same as the light exit direction of the probe; the light source and the second photodetector are located on both sides of the first photodetector respectively, and the optical paths of the three intersect at one point; the first optical window and the second optical window are respectively set on the first photodetector. The incident light path of the photodetector and the second photodetector; the circuit board is arranged in the casing and is respectively connected with the first photodetector, the second photodetector and the light source. The invention can quickly and directly complete the sludge concentration detection, has almost no special requirements on the professional knowledge of the inspection technicians, and greatly saves the labor cost.
Description
Technical field
The invention belongs to sewage detection technology of instrument and meter fields, and in particular to one kind is based on irreflexive sludge detection dress
It sets.
Background technique
The milligram number of the mixed dewatered sludge net weight of aeration zone unit volume suspension, is dirty in sludge concentration, that is, activated sludge process
The important parameter of water process and water resource reutilization system not only influences the removal ability of organic matter, also generates shadow to membrane flux
It rings.Many researchs all show sludge concentration and dissolved phenols are the important parameters for influencing membrane flux.In the prior art
General measure be strong rapid draing performance of being satisfied using infrared lamp in quick moisture apparatus, be dried to perseverance
Weight, measures the weight of suspended matter in sludge, finally calculates sludge concentration.This method of inspection there are the numerous defects of step,
And there is very big requirement to the professional standards of inspection technology personnel.
Summary of the invention
In view of the above-mentioned problems, the present invention proposes one kind based on irreflexive sludge detection device, it can be achieved that quickly, directly
Sludge concentration detection is completed, while almost being had no special requirements to inspection technology personnel specialty knowledge, human cost is greatly saved.
It realizes above-mentioned technical purpose, reaches above-mentioned technical effect, the invention is realized by the following technical scheme:
One kind being based on irreflexive sludge detection device, comprising:
Shell；
Fixed pedestal, the fixed pedestal are disposed in the housing, and are internally provided with cavity, and one end is equipped with opening；
Probe, the probe are set between the shell and fixed pedestal, and received light of popping one's head in passes through the fixed pedestal
On opening enter in fixed pedestal；
First photodetector, first photodetector be set to the fixed pedestal on, enter light direction with it is described
The light direction of probe is identical；
Light source and the second photodetector, the light source and the second photodetector are set on the fixed pedestal, and two
Person is located at the two sides of first photodetector, and the light direction of the light source and the second photodetector enter light side
First photodetector described in Xiang Junyu enters between light direction that there are angles；
First optical window and the second optical window, first optical window and the second optical window are respectively arranged on described
First photodetector and the second photodetector enter in light optical path；
Circuit board, the circuit board are disposed in the housing, input terminal respectively with first photodetector and
The output end of two photodetectors is connected, and output end is connected with the input terminal of the light source.
Preferably, the emergent light of the light source enters after first passing around the diffusing reflection of the base sludge of first optical window
First photodetector surfaces are incident upon, the transmitted ray transmitted from the first optical window is incident in water from fixed range
Diffusing reflection is generated on suspended matter, by second optical window, is incident to second photodetector in 90 ° with transmitted ray
Surface.
Preferably, the shell includes:
Preceding fixed frame, front frame and the after-frame being sequentially arranged；
The preceding fixed frame is equipped with opening；
The preceding fixed frame is connected with front frame, and the two is collectively formed for accommodating chamber；The fixed pedestal, the first photoelectricity are visited
Device, the second photodetector and light source is surveyed to be equipped in the accommodating chamber；
The probe is set between the opening on preceding fixed frame and the opening of fixed pedestal.
Preferably, the shell further includes back seat, and the back seat is connected with one end on the after-frame far from front frame.
Preferably, the circuit board includes first circuit board and second circuit board；
The first circuit board locks in the front frame comprising: the light source driving circuit and photocell being sequentially connected,
The photronic output end is connected with the light source；
The second circuit board locks on the fixed pedestal, is connected with first circuit board by conducting wire comprising: it is single
Piece machine core piece, A/D converter, amplification filter shape unit and 485 communication interfaces；
The data transmission terminal of the singlechip chip is connected with 485 communication interface, and output end and the light source drive
Dynamic circuit is connected；
It is described amplification filter shape unit input terminal respectively with first photodetector and the second photodetector
Output end be connected, output end is connected with the input terminal of the A/D converter；The output end of the A/D converter with it is described
The input terminal of singlechip chip is connected.
Preferably, the first O-ring seal is equipped between the front frame and fixed pedestal；It is equipped between the front frame and after-frame
Second O-ring seal.
Preferably, the preceding fixed frame is used with front frame and is threadedly coupled；The front frame and back seat are between the after-frame
It is connected through a screw thread.
Preferably, the probe is quartz glass.
Preferably, it is described based on irreflexive sludge detection device further include collimation lens, the collimation lens be set to institute
Going out in light optical path for light source is stated, the light optical path out is extended perpendicularly to.
Beneficial effects of the present invention:
It is of the invention based on irreflexive sludge detection device, can not only realize rapid survey, while to inspection technology people
Member's professional knowledge almost has no special requirements, and human cost is greatly saved, can be dense with real-time continuous monitoring sludge and suspended matter
The variation of degree.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of an embodiment of the present invention；
Fig. 2 is the integrally-built cross-sectional view of an embodiment of the present invention；
Fig. 3 is the schematic illustration of the circuit board of an embodiment of the present invention；
Fig. 4 is that the optical signal of an embodiment of the present invention generates and propagate schematic diagram.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.
Application principle of the invention is explained in detail with reference to the accompanying drawing.
General measure in the prior art is strong rapid draing of being satisfied using infrared lamp in quick moisture apparatus
Performance is dried to constant weight, measures the weight of suspended matter in sludge, finally calculates sludge concentration.This method of inspection is deposited
In the numerous defects of step, and there is very big requirement to the professional standards of inspection technology personnel, for this purpose, the invention proposes be based on
Irreflexive sludge detection device can not only realize rapid survey, while to inspection technology personnel specialty knowledge almost without special
It is required that human cost is greatly saved, it can be with the variation of real-time continuous monitoring sludge and concentration of suspension.
Embodiment 1
As shown in Figs 1-4, the present invention provides one kind to be based on irreflexive sludge detection device, comprising:
Shell 1；
Fixed pedestal 3, the fixed pedestal 3 are set in the shell 1, are internally provided with cavity, and one end is equipped with opening；
Probe 2, the probe 2 are set between the shell 1 and fixed pedestal 3, and 2 received light of probe pass through the fixation
Opening on pedestal 3 enters in fixed pedestal 3；In a kind of specific embodiment of the present embodiment, the probe 2 can be selected
Quartz glass, it is glued with fixed pedestal 3, it can be realized waterproof, and do not influence optical signal transmission.
First photodetector 5, first photodetector 5 are set on the fixed pedestal 3, enter light direction and institute
The light direction for stating probe 2 is identical；
Light source 7 and the second photodetector 6, the light source 7 and the second photodetector 6 are set to the fixed pedestal 3
On, the two is located at the two sides of first photodetector 5, the light direction of the light source 7 and the second photodetector 6
The light direction that enters enter between light direction that there are angles with first photodetector 5；First photodetector 5
, can be identical as detector used in detecting instrument instrument for the detector sensitive to measurement 7 signal of light source, it can on Type Selection Principle
It is identical as the first photodetector 5, other detectors sensitive to measurement 7 signal of light source can also be used；
Collimation lens 8, the collimation lens 8 are set in the light optical path out of the light source 7, and are extended perpendicularly to described
Light source 7 goes out light optical path；The collimation lens 8 can use convex lens, for example can select plano-convex lens or lenticular
Mirror, the diverging light collimation for issuing light source 7；
First optical window 9 and the second optical window 10；First optical window 9 and the second optical window 10 are set respectively
In entering in light optical path for first photodetector 5 and the second photodetector 6；
The emergent light of the light source 7 is incident to after first passing around the diffusing reflection of the base sludge of first optical window 9
First photodetector, 5 surface, the transmitted ray transmitted from the first optical window 9 are incident in water outstanding from fixed range
Diffusing reflection is generated in floating object 11, by second optical window 10, is incident to second photodetection in 90 ° with transmitted ray
The surface of device 6, referring specifically to Fig. 4；
Circuit board 4, the circuit board 4 be set to the shell 1 in, input terminal respectively with first photodetector 5
It is connected with the output end of the second photodetector 6, output end is connected with the input terminal of the light source 7.
In a kind of specific embodiment of the present embodiment, as shown in Fig. 2, the shell 1 includes:
Preceding fixed frame 101, front frame 102 and the after-frame 103 being sequentially arranged；
The preceding fixed frame 101 is equipped with opening；
The probe 2 is set between the opening on the preceding fixed frame 101 and the opening of fixed pedestal 3；
The preceding fixed frame 101 is connected with front frame 102, and the two is collectively formed for accommodating chamber, it is preferable that the front frame
The first O-ring seal 12 is equipped between 102 and fixed pedestal 3；The fixed pedestal 3, the first photodetector 5, the second photoelectricity
Detector 6 and light source 7 are equipped in the accommodating chamber；Preferably, the preceding fixed frame 101 is used with front frame 102 and is threadedly coupled；
The front frame 102 and back seat are connected through a screw thread between the after-frame 103, are selected and are threadedly coupled than using side screw locking
It is more solid and reliable.Further, the second O-ring seal 13 is equipped between the front frame 102 and after-frame 103；
The circuit board 4 includes first circuit board 401 and second circuit board 402；
The first circuit board 401 locks in the front frame 102 comprising: the light source driving circuit that is sequentially connected and
Photocell, the light source driving circuit realize using the prior art, can be from being directly commercially available on the market；It is described
Photronic output end is connected with the input terminal of the light source 7, and the light source 7 can select infrared light supply；
The second circuit board 402 locks on the fixed pedestal 3, is connected with first circuit board 401 by conducting wire,
It include: singlechip chip, A/D converter, amplification filter shape unit and 485 communication interfaces；The data of the singlechip chip
Transmission end is connected with 485 communication interface, and output end is connected with the light source driving circuit；First photodetector
It is connected respectively with the input terminal of the amplification filter shape unit with the output end of the second photodetector, the amplification filtering is whole
The output end of shape unit is connected with the input terminal of the A/D converter；The output end of the A/D converter and the monolithic machine core
The input terminal of piece is connected, and referring specifically to Fig. 2-3, what the amplification filter shape unit referred to is to realize amplification, filtering
It with the circuit of shaping, can be realized using the amplifying circuit, filter circuit and shaping circuit that are sequentially connected, three electricity above-mentioned
Road is circuit in the prior art.
In conclusion the working principle based on irreflexive sludge detection device in the present embodiment are as follows:
Square-wave signal is issued to light source driving circuit using singlechip chip, and photocell is driven by the light source driving circuit
For light source power supply, the light that light source issues is received by the first photodetector and the second photodetector respectively by diffusing reflection,
First photodetector and the second photodetector, which receive to convert the optical signal received to after electric signal, is sent into amplification filtering
In shaping unit, is amplified the signal that filter shape cell processing is crossed and be admitted to A/D converting unit, finally by A/D converting unit
It is sent into singlechip chip, obtains measured value, wherein the measured value of the second detector is the turbidity value of water, the first detector
Measured value is sludge concentration value.
Embodiment 2
The present embodiment the difference from embodiment 1 is that:
The shell 1 further includes back seat 104, one end phase of the back seat 104 and front frame 102 separate on the after-frame 103
Even, for realizing rear end fixing seal.
Rest part is same as Example 1.
In summary:
The invention discloses one kind to be based on irreflexive sludge detection device, including shell, fixed pedestal, probe, first
Photodetector, light source, the second photodetector, the first optical window, the second optical window and circuit board, the one of fixed pedestal
End is equipped with opening；Probe is set on shell, and received light is entered in fixed pedestal by the opening on the fixed pedestal；The
One photodetector is set on fixed pedestal, and it is identical as the light direction of probe to enter light direction；Light source and the second photodetection
Device is set on fixed pedestal, is located at the two sides of the first photodetector, and the optical path of three intersects at a point；First optics
Window and the second optical window are respectively arranged on the entering in light optical path of the first photodetector and the second photodetector；Circuit board is set
In in shell, it is connected respectively with the first photodetector, the second photodetector and light source.The present invention can quickly, directly
Sludge concentration detection is completed, almost has no special requirements to inspection technology personnel specialty knowledge, human cost is greatly saved.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and the above embodiments and description only describe this
The principle of invention, without departing from the spirit and scope of the present invention, various changes and improvements may be made to the invention, these changes
Change and improvement all fall within the protetion scope of the claimed invention.The claimed scope of the invention by appended claims and its
Equivalent thereof.
Claims (9)
1. one kind is based on irreflexive sludge detection device characterized by comprising
Shell；
Fixed pedestal, the fixed pedestal are disposed in the housing, and are internally provided with cavity, and one end is equipped with opening；
Probe, the probe are set between the shell and fixed pedestal, and received light of popping one's head in passes through on the fixed pedestal
Opening enters in fixed pedestal；
First photodetector, first photodetector are set on the fixed pedestal, enter light direction and the probe
Light direction it is identical；
Light source and the second photodetector, the light source and the second photodetector are set on the fixed pedestal, the two point
Not Wei Yu first photodetector two sides, the light direction of the light source and the second photodetector to enter light direction equal
Enter between light direction that there are angles with first photodetector；
First optical window and the second optical window, first optical window and the second optical window are respectively arranged on described first
Photodetector and the second photodetector enter in light optical path；
Circuit board, the circuit board are disposed in the housing, input terminal respectively with first photodetector and the second light
The output end of electric explorer is connected, and output end is connected with the input terminal of the light source.
2. according to claim 1 a kind of based on irreflexive sludge detection device, it is characterised in that: the light source goes out
First photodetector surfaces are incident to after penetrating the diffusing reflection for the base sludge that light first passes around first optical window,
The transmitted ray transmitted from the first optical window, which is incident in water on the suspended matter from fixed range, generates diffusing reflection, by described
Second optical window is incident to the surface of second photodetector in 90 ° with transmitted ray.
3. according to claim 1 a kind of based on irreflexive sludge detection device, it is characterised in that: the shell packet
It includes: preceding fixed frame, front frame and the after-frame being sequentially arranged；
The preceding fixed frame is equipped with opening；
The preceding fixed frame is connected with front frame, and the two is collectively formed for accommodating chamber；The fixed pedestal, the first photodetection
Device, the second photodetector and light source are equipped in the accommodating chamber；
The probe is set between the opening on the preceding fixed frame and the opening of fixed pedestal.
4. according to claim 3 a kind of based on irreflexive sludge detection device, it is characterised in that: the shell also wraps
Back seat is included, the back seat is connected with one end on the after-frame far from front frame.
5. according to claim 3 a kind of based on irreflexive sludge detection device, it is characterised in that: the circuit board packet
Include first circuit board and second circuit board；
The first circuit board locks in the front frame comprising: the light source driving circuit and photocell being sequentially connected, it is described
Photronic output end is connected with the light source；
The second circuit board locks on the fixed pedestal, is connected with first circuit board by conducting wire comprising: single-chip microcontroller
Chip, A/D converter, amplification filter shape unit and 485 communication interfaces；
The data transmission terminal of the singlechip chip is connected with 485 communication interface, output end and light source driving electricity
Road is connected；
The input terminal of the amplification filter shape unit is defeated with first photodetector and the second photodetector respectively
Outlet is connected, and output end is connected with the input terminal of the A/D converter；The output end of the A/D converter and the monolithic
The input terminal of machine core piece is connected.
6. a kind of irreflexive sludge detection device is based on according to claim 1, it is characterised in that: the front frame and solid
Determine to be equipped with the first O-ring seal between pedestal；The second O-ring seal is equipped between the front frame and after-frame.
7. according to claim 1 a kind of based on irreflexive sludge detection device, it is characterised in that: the preceding fixed frame
It uses and is threadedly coupled with front frame；The front frame and back seat are connected through a screw thread between the after-frame.
8. according to claim 1 a kind of based on irreflexive sludge detection device, it is characterised in that: the probe is stone
English glass.
9. according to claim 1 a kind of based on irreflexive sludge detection device, it is characterised in that: described based on unrestrained anti-
The sludge detection device penetrated further includes collimation lens, and the collimation lens is set in the light optical path out of the light source, extension side
To perpendicular to the light optical path out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311068.6A CN109358025A (en) | 2018-11-06 | 2018-11-06 | A Sludge Detection Device Based on Diffuse Reflection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811311068.6A CN109358025A (en) | 2018-11-06 | 2018-11-06 | A Sludge Detection Device Based on Diffuse Reflection |
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| Publication Number | Publication Date |
|---|---|
| CN109358025A true CN109358025A (en) | 2019-02-19 |
Family
ID=65344143
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811311068.6A Pending CN109358025A (en) | 2018-11-06 | 2018-11-06 | A Sludge Detection Device Based on Diffuse Reflection |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110031433A (en) * | 2019-05-28 | 2019-07-19 | 南京奇崛电子科技有限公司 | A kind of light reflection mirror turbidity transducer |
| CN119125080A (en) * | 2024-09-06 | 2024-12-13 | 深圳市深水生态环境技术有限公司 | A device for detecting moisture content of sludge |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110031433A (en) * | 2019-05-28 | 2019-07-19 | 南京奇崛电子科技有限公司 | A kind of light reflection mirror turbidity transducer |
| WO2020237932A1 (en) * | 2019-05-28 | 2020-12-03 | 南京奇崛电子科技有限公司 | Light-reflector turbidity sensor |
| CN119125080A (en) * | 2024-09-06 | 2024-12-13 | 深圳市深水生态环境技术有限公司 | A device for detecting moisture content of sludge |
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