CN205808915U - A kind of quick micro-detecting system of total phosphorus - Google Patents
A kind of quick micro-detecting system of total phosphorus Download PDFInfo
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- CN205808915U CN205808915U CN201620544313.8U CN201620544313U CN205808915U CN 205808915 U CN205808915 U CN 205808915U CN 201620544313 U CN201620544313 U CN 201620544313U CN 205808915 U CN205808915 U CN 205808915U
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Abstract
The open a kind of quick micro-detecting system of total phosphorus of this utility model, including light degradation detection chip, degraded light source, detector unit, camera bellows and control centre；Light degradation detection chip is arranged in camera bellows, light degradation detection chip is formed light degradation district, the two ends in light degradation district form sample inlet and detection cell respectively, detection cell branch again forms nitrite ion passage and apocenosis passage, the end of apocenosis passage forms leakage fluid dram, the end of nitrite ion passage forms nitrite ion import, and the inwall in light degradation district has photocatalyst, and sample inlet, nitrite ion import and leakage fluid dram are installed conduit and infusion pump；The light degradation district of degraded light source correspondence light degradation detection chip is arranged in camera bellows；The detection light source of detector unit and light absorber are arranged in camera bellows corresponding to detection cell；Control centre is connected with infusion pump, degraded light source, detector unit.This utility model detection speed is fast, the easiest, sample requirements is few, and the detection process making total phosphorus is more efficient, economical, convenient.
Description
Technical field
This utility model relates to a kind of quick micro-detecting system of total phosphorus.
Background technology
Water pollution problems is day by day serious, and many countries have worked out strict environmental law for the process of phosphorus containg substances with discharge
Rule, the content of the phosphorus in water body also becomes the important judging quota of water quality quality, and China's environmental standard also has the survey of phosphorus in water body
Calibration standard, development Fast Detection Technique of phosphorus be applicable to water body monitors the necks such as water quality for environmental administration's law enforcement, production division
Territory is the most significant.
That total phosphorus includes dissolving and granule, organic and Phos.In natural water body, the phosphorus of the dissolved is nearly all with respectively
Presented in planting phosphate, they are respectively orthophosphate, complexation phosphate and organic phosphate, are present in solution and suspension
In thing.Owing to the organic phosphorus compound in water body can not directly measure, need to clear up mode with certain and be degraded to Phos
Hydrochlorate, then the content conversion by detection inorganic phosphate obtains the content of total phosphorus.
Existing total phosphorus detection method includes Perchloric Acid Digestion method, persulfate digestion method, ultraviolet resolution method, gas phase color
Spectrometries etc., these methods also exist Specimen eliminating to waste time and energy or the shortcoming such as expensive equipment.
At present phosphatic mensuration mainly there are spectrophotography, volumetric method and the chromatography of ions.In water quality monitoring, phosphorus
The mensuration of hydrochlorate frequently with ammonium molybdate-antimony potassium tartrate-ascorbic acid spectrophotography, the major defect of this method is: behaviour
Making tediously long, loaded down with trivial details, as preparation of reagents workload is big, some of which needs matching while using etc., and sample is from joining reagent to going out result need
Want about 5 hours, it is impossible to meet quick, easy on-the-spot test requirement, it is impossible to the on-site measurement of competent abrupt polluting accident
Requirement；Interference factor is more, and ammonium molybdate-antimony potassium tartrate-ascorbic acid spectrophotography is due to reducing agent unnecessary during reaction
The ammonium molybdate that still can reduce makes colour developing unstable.
The standard method that total phosphorus is cleared up is potassium persulfate oxidation resolution method and nitric acid-perchloric acid oxidation's resolution method, both
Total phosphorus detection method needs to add strong oxidizer at high temperature under high pressure and clears up water sample, digestion process time consumption and energy consumption, secondary
Seriously polluted, there is also potential safety hazard, be unsuitable for the field quick detection of total phosphorus, other digestion procedures include: Microwave Digestion,
Photochemical degradating method, sonication, Fenton oxidation method etc., these methods or higher to equipment requirements, or degradation efficiency mistake
Low, and experimental period is long.Existing assay reagent consumption is big, and environment causes certain pollution.
Utility model content
The purpose of this utility model is to provide that a kind of to detect the total phosphorus that speed is fast, the easiest, sample requirements is few fast
The micro-detecting system of speed, the detection process making total phosphorus is more efficient, economical, convenient.
In order to reach above-mentioned purpose, solution of the present utility model is:
A kind of quick micro-detecting system of total phosphorus, including light degradation detection chip, degraded light source, detector unit, camera bellows and control
Center processed；Light degradation detection chip is arranged in camera bellows, forms light degradation district, the two ends in light degradation district in light degradation detection chip
Forming sample inlet and detection cell respectively, detection cell branch again forms nitrite ion passage and apocenosis passage, the end of apocenosis passage
Portion forms leakage fluid dram, and the end of nitrite ion passage forms nitrite ion import, and the inwall in light degradation district has photocatalyst, sample
Conduit and infusion pump are installed on inlet, nitrite ion import and leakage fluid dram；The light fall of degraded light source correspondence light degradation detection chip
Xie Qu is arranged in camera bellows；The detection light source of detector unit and light absorber are arranged in camera bellows corresponding to detection cell；In control
The heart is connected with infusion pump, degraded light source, detector unit, and sample flows through light degradation district makes organophosphor therein be degraded to Phos
Acid group, mixes with nitrite ion at detection cell, again by light after being absorbed during the light pond after testing that the detection light source of detector unit sends
Absorber receives, and detector unit obtains the absorbance of nitrite ion, by the conversion of standard curve, it is thus achieved that sample solution total phosphorus
Concentration.
Further, described light degradation detection chip is bonded together by three layers of printing opacity slide, and chip is for having certain thickness
The slide of the light-transmitting materials such as the quartz of degree, chip includes light degradation district, detection cell and necessary fluid course.
Further, described light degradation district is made up of a series of thin layer channel networks, and thin layer passage wall surface is by online
Fabricated in situ way, is bonded with titanium dioxide optical catalyst not dense film, light degradation district can printing opacity, above light degradation district
Degraded light source is uviol lamp or other strong Degradation light sources.
Further, the titanium dioxide of described thin layer channel surface is generated by the silicone agent in situ bonding of titaniferous.
Further, described detection cell be arranged above detect light source, lower section is light absorber.
Further, there is chip slot the centre of described camera bellows, is used for installing light degradation detection chip.
Further, described control centre is programmable controller, changes system by serial communication data wire and signal
Unite and be connected with infusion pump, the degraded device such as light source and detector unit.
Further, described intelligent control center possess arrange parameter, send parts manipulation instruction, analyze and record number
According to functions such as, data queries, sample, nitrite ion, the feed liquor speed of cleanout fluid and volume parameter can be set, light source can be controlled and open
Pass, the switch of detector unit.
After using said structure, this utility model is integrated with light degradation district on the same chip and detects him, it is simple to improve
The automatization of total phosphorus detection, by arranging the light degradation detection chip of band photocatalyst, it is achieved the online fast prompt drop to organophosphor
Solve, by arranging detection zone on chip, it is achieved the on-line checking of total phosphorus.
This utility model uses light degradation district surface bond photocatalyst, without using other to clear up examination in experimentation
Agent, environmental protection and economy；Thin layer passage and intense light source photocatalytic degradation, it is ensured that organophosphor is degraded in flowing, and degradation speed is fast.
Light degradation detection chip of the present utility model and the big module of camera bellows two are detachable structure, can combine closely again, knot
Structure is succinctly easy to safeguard.
In a word, compared with the conventional method, existing method is offline inspection to this utility model, complex operation, automaticity
Low, actual consumption is big, and this utility model detection speed is fast, and automatic, easy, sample requirements is few, and detection process is more efficient, warp
Ji, convenient.
Accompanying drawing explanation
Fig. 1 is overall structure schematic diagram of the present utility model；
Fig. 2 is the overall top view of light degradation detection chip；
Fig. 3 is light degradation detection chip upper strata slide top view；
Fig. 4 is light degradation detection chip middle level slide top view；
Fig. 5 is light degradation detection chip lower floor slide top view.
Detailed description of the invention
Below in conjunction with drawings and the specific embodiments, this utility model is described in further detail.
As it is shown in figure 1, the quick micro-detecting system of a kind of total phosphorus that this utility model discloses, including light degradation detection chip
11, degraded light source 2, detector unit (not completely shown in figure), camera bellows (fastened by upper camera bellows 1 and lower camera bellows 6 and form) and control
Center (not shown).
Light degradation detection chip 11 is arranged in camera bellows.Changeing for convenience, maintenance, there is chip slot the centre of described camera bellows
Light degradation detection chip is installed.
Light degradation detection chip 11 can be bonded together by three layers of printing opacity slide, and chip is for having certain thickness quartz etc.
The slide of light-transmitting materials.Forming light degradation district 4 in light degradation detection chip 11, light degradation district 4 is by a series of thin layer channel networks
Composition, thin layer passage wall surface, by online fabricated in situ way, is bonded with titanium dioxide optical catalyst not dense film, specifically
Ground is said, is generated by the silicone agent in situ bonding of titaniferous, make light degradation district 4 can printing opacity, the two ends in light degradation district 4 are distinguished
Forming sample inlet 5 and detection cell 9, detection cell 9 branch again forms nitrite ion passage 13 and apocenosis passage 14, apocenosis passage 14
End form leakage fluid dram 8, the end of nitrite ion passage 13 forms nitrite ion import 10, sample inlet 5, nitrite ion import 10
With installation conduit and infusion pump (not shown) on leakage fluid dram 8.The making of light degradation detection chip 11, coordinates Fig. 2 to Fig. 5 institute
Showing, taking three a certain size quartz slide, each layer slide structure uses optical etching technology, etches and has one fixed width, deep
The thin layer passage of degree, produces detection cell 9, sample inlet 5, nitrite ion import 10 and leakage fluid dram 8 in ad-hoc location punching, system
Three chip sealings performed become the light degradation detection chip 11 of three-decker, sample inlet 5, nitrite ion import 10 and row
The hard short tube loading onto suitable diameter at liquid 8 is easy to connect transfusion catheter.
The light degradation district 4 of the corresponding light degradation detection chip 11 of degraded light source 2 is arranged in camera bellows.Degraded light source 2 on permissible
Configuration light source cover 3.Degraded light source 2 is uviol lamp or other strong Degradation light sources.
Detection light source 12 and the light absorber 7 of detector unit are arranged in camera bellows corresponding to detection cell 9.Specifically, detection
Pond 9 be arranged above detect light source 12, lower section is light absorber 7.
Control centre is programmable controller, not shown in figure, by serial communication data wire and signal translating system
It is connected with infusion pump, the degraded device such as light source 2 and detector unit.Intelligent control center can possess and arranges parameter, sends parts
Manipulation instructs, analyzes and record the function such as data, data query, can arrange sample, nitrite ion, the feed liquor speed of cleanout fluid and body
Long-pending parameter, can control the switch of light source switch, detector unit.
During this utility model experiment, light degradation detection chip 11 is put between upper camera bellows 1 and lower camera bellows 6, upper camera bellows 1 with
Lower camera bellows 6 is buckled by buckle, and when periodic duty starts, control centre controls to start degraded light source 2, and sample solution is at constant flow pump
The sample inlet 5 driving lower system, when light degradation district 4, under the catalyst Synergistic degradation effect with high light, sample
In organophosphor be degraded to inorganic phosphate radical, along with liquid stream enter detection cell 9, meanwhile nitrite ion is in the driving of pulse pump
Solution after lower entrance detection cell 9, with degraded mixes and develops the color, now control centre's start-up detector unit, detects light source 12
Received by light absorber 7 after being absorbed when sending the light pond after testing of specific wavelength, and convert through photosignal, it is achieved detection cell
The absorbance detection of solution in 9, by can analyze with fitting quantitative the mensuration of normal concentration serial solution absorbance
Standard curve equation, the data analysis unit of relevant parameter writing system software, it is possible to achieve to the inspection of total phosphorus concentration in sample
Survey.
Claims (7)
1. the quick micro-detecting system of total phosphorus, it is characterised in that: include light degradation detection chip, degraded light source, detector unit,
Camera bellows and control centre；Light degradation detection chip is arranged in camera bellows, forms light degradation district, light degradation in light degradation detection chip
The two ends in district form sample inlet and detection cell respectively, and detection cell branch again forms nitrite ion passage and apocenosis passage, discharge opeing
The end of passage forms leakage fluid dram, and the end of nitrite ion passage forms nitrite ion import, the inwall in light degradation district has light and urges
Agent, sample inlet, nitrite ion import and leakage fluid dram are installed conduit and infusion pump；Degraded light source correspondence light degradation detection core
The light degradation district of sheet is arranged in camera bellows；The detection light source of detector unit and light absorber are arranged on camera bellows corresponding to detection cell
In；Control centre is connected with infusion pump, degraded light source, detector unit, and sample flows through light degradation district makes organophosphor therein be dropped
Solving is inorganic phosphate radical, mixes with nitrite ion at detection cell, is inhaled during the light pond after testing that the detection light source of detector unit sends
Being received by light absorber after receipts, detector unit obtains the absorbance of nitrite ion, by the conversion of standard curve, it is thus achieved that sample again
The concentration of solution total phosphorus.
2. the quick micro-detecting system of total phosphorus as claimed in claim 1 a kind of, it is characterised in that: described light degradation detection chip by
Three layers of printing opacity slide are bonded together.
3. a kind of quick micro-detecting system of total phosphorus as claimed in claim 1, it is characterised in that: described light degradation district is by a series of
Thin layer channel network forms, and thin layer passage wall surface, by online fabricated in situ way, is bonded with titanium dioxide optical catalyst not
Dense film, light degradation district can printing opacity, the degraded light source above light degradation district is uviol lamp or other strong Degradation light sources.
4. a kind of quick micro-detecting system of total phosphorus as claimed in claim 3, it is characterised in that: the two of described thin layer channel surface
Titanium oxide is generated by the silicone agent in situ bonding of titaniferous.
5. the quick micro-detecting system of total phosphorus as claimed in claim 1 a kind of, it is characterised in that: described detection cell be arranged above inspection
Light-metering source, lower section is light absorber.
6. a kind of quick micro-detecting system of total phosphorus as claimed in claim 1, it is characterised in that: there is chip the centre of described camera bellows
Groove, is used for installing light degradation detection chip.
7. a kind of quick micro-detecting system of total phosphorus as claimed in claim 1, it is characterised in that: described control centre is able to programme
Sequence controller, by serial communication data wire and signal translating system and infusion pump, the degraded device phase such as light source and detector unit
Even.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620544313.8U CN205808915U (en) | 2016-06-07 | 2016-06-07 | A kind of quick micro-detecting system of total phosphorus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620544313.8U CN205808915U (en) | 2016-06-07 | 2016-06-07 | A kind of quick micro-detecting system of total phosphorus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205808915U true CN205808915U (en) | 2016-12-14 |
Family
ID=57501953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620544313.8U Withdrawn - After Issue CN205808915U (en) | 2016-06-07 | 2016-06-07 | A kind of quick micro-detecting system of total phosphorus |
Country Status (1)
| Country | Link |
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| CN (1) | CN205808915U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973820A (en) * | 2016-06-07 | 2016-09-28 | 厦门华厦学院 | Rapid total-phosphorus micro-detection system |
| CN111829822A (en) * | 2019-04-18 | 2020-10-27 | 中国科学院微电子研究所 | Electron microscope liquid chip sampling device |
-
2016
- 2016-06-07 CN CN201620544313.8U patent/CN205808915U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105973820A (en) * | 2016-06-07 | 2016-09-28 | 厦门华厦学院 | Rapid total-phosphorus micro-detection system |
| CN111829822A (en) * | 2019-04-18 | 2020-10-27 | 中国科学院微电子研究所 | Electron microscope liquid chip sampling device |
| CN111829822B (en) * | 2019-04-18 | 2023-10-20 | 中国科学院微电子研究所 | Liquid chip sampling device of electron microscope |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20161214 Effective date of abandoning: 20181106 |
|
| AV01 | Patent right actively abandoned |