CN105606578A - Detection device and detection method for simultaneously measuring dissolved oxygen at different heights on muddy water interface in situ - Google Patents
Detection device and detection method for simultaneously measuring dissolved oxygen at different heights on muddy water interface in situ Download PDFInfo
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- CN105606578A CN105606578A CN201610076045.6A CN201610076045A CN105606578A CN 105606578 A CN105606578 A CN 105606578A CN 201610076045 A CN201610076045 A CN 201610076045A CN 105606578 A CN105606578 A CN 105606578A
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- 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
- G01N21/62—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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N21/643—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes" non-biological material
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- 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
- G01N21/62—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
- G01N21/64—Fluorescence; Phosphorescence
- G01N21/6428—Measuring fluorescence of fluorescent products of reactions or of fluorochrome labelled reactive substances, e.g. measuring quenching effects, using measuring "optrodes"
- G01N2021/6432—Quenching
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
Abstract
The invention relates to a detection device for simultaneously measuring dissolved oxygen at different heights on a muddy water interface in situ. A detection probe is connected with a dissolved oxygen glimmering host computer; a probe used for detecting the dissolved oxygen can extend out of the detection probe; the detection device further comprises a detection box; the detection box is arranged on the muddy water interface; a plurality of vertical through water chambers and a plurality of slots horizontally penetrating the detection box are formed in the detection box; the slots are communicated with the water chambers; the detection device further comprises a plurality of insert sheets; probe slots are formed in the insert sheets; the outlines of the probe slots are adapted to the outline of the detection probe; the detection probe can be placed and fixed in the probe slots; the insert sheets can be inserted and fixed in the slots; the extending probe can be located in the different water chambers by adjusting the depth of the insert sheets inserted into the slots. The detection device provided by the invention has the advantages that the dissolved oxygen at different heights on the muddy water interface can be simultaneously measured, repeated tests can be avoided, the time is saved and the true distribution of the dissolved oxygen at different heights on a certain position of the muddy water interface at a certain time can be acquired.
Description
Technical field
The present invention relates to the technical field of dissolved oxygen amount checkout equipment, relate in particular to checkout gear and the detection method thereof of the water sludge interface of in site measurement simultaneously differing heights dissolved oxygen.
Background technology
The dissolved oxygen low-light utmost point is to realize the one dimension microprobe technology that water sludge interface point oxyty is measured. It is the optical fiber information exchange sensor based on Fluorescence Quenching Principle, because oxygen is the natural quencher of some fluorescence indicator, it is made the oxygen sensing film by oxygen sensitive fluorescence indicator and is coupled in optical fiber end, adopting high brightness LED is light source and micro photoelectric diode detection system, determine oxygen concentration by fiber optic conduction fluorescent quenching intensity, ruthenium complex because insensitive to stirring, be not subject to H2S、CO2And the characteristic such as salinity interference is the oxygen sensitive fluorescence indicator being most widely used up to now.
The existing assay method for water sludge interface dissolved oxygen is, the water sludge interface sample in waters to be measured is sampled in inspection instrument, then dissolved oxygen low-light utmost point probe is fixed on to container top, the fluorescence probe of controlling on probe stretches out downwards, and probe extends in water sludge interface and measures always.
This method has following shortcoming:
1, cannot realize in-site detecting, need to gather water sludge interface sample to inspection instrument, this process easily causes water sludge interface natural environment to change, and causes the dissolved oxygen situation of being adopted water sludge interface not conform to actual conditions;
2, once can only control the dissolved oxygen situation of an a certain height in the dissolved oxygen low-light utmost point a certain position of probe in detecting water sludge interface, for the dissolved oxygen situation of other height of this position of water sludge interface, can only be by repeatedly measuring, but repeatedly measurement can have larger span in time, can not reflect its truth;
3, in the time carrying out the detection of water sludge interface differing heights dissolved oxygen, take time and effort, detect very inconvenient.
Summary of the invention
Technical problem to be solved by this invention is for the above-mentioned state of the art, and a kind of checkout gear and detection method thereof of while in site measurement water sludge interface differing heights dissolved oxygen are provided.
The checkout gear of the water sludge interface of in site measurement simultaneously differing heights dissolved oxygen, comprise dissolved oxygen low-light utmost point main frame, dissolved oxygen low-light utmost point main frame has connected several detection probe, detection probe can be stretched out the probe for measuring dissolved oxygen, it is characterized in that: checkout gear also comprises a detection box, detecting box is placed on water sludge interface, detect the water flowing chamber that offers several vertical perforations on box, and several slots that detect box that laterally run through, slot is all communicated with each water flowing chamber, checkout gear also comprises several inserted sheets, on inserted sheet, be provided with probe grooves, the profile of probe grooves and the profile of detection probe adapt, it is fixing that detection probe can be put into probe grooves, inserted sheet can be inserted and secured in slot, by regulating inserted sheet to insert the degree of depth of slot, make the probe stretching out can be arranged in different water flowing chambeies.
For optimizing technique scheme, the concrete measure of taking also comprises:
Above-mentioned detection probe includes soft quality optical fiber and rigid optical fiber, and rigid optical fiber is probe, and the rear end of rigid optical fiber is connected with dissolved oxygen low-light utmost point main frame by soft quality optical fiber.
Above-mentioned detection probe also comprises that probe pushes structure, probe pushes structure and comprises propelling movement pipe, push post, brake pad, sealing ring, push handle and pipe back seat, push handle and be connected to propelling movement post rear end, propelling movement post front end stretches into the brake pad pushing in Guan Zhongyu propelling movement pipe and is fixedly connected with, brake pad and the inwall frictional fit that pushes pipe, the shutoff of pipe back seat pushes pipe rear end, brake pad is fixedly connected with the rear portion of probe, sealing ring is fixed on and pushes in pipe, to push tube chamber sealed separation is ante-chamber and back cavity, ante-chamber is provided with logical window, water can enter ante-chamber from logical window, correspondingly, probe grooves and logical window corresponding position are provided with groove window, in the time that the inserted sheet of fixed test probe is fixed in slot, logical window is communicated with water flowing chamber, in the time advancing the external force of propelling movement handle to be greater than brake pad and to push the frictional force of pipe, brake pad, pushing slip in pipe, extend out in ante-chamber probe.
Above-mentioned soft quality optical fiber is fixedly connected with propelling movement handle.
The side of above-mentioned inserted sheet is provided with holddown groove, in slot, be provided with several fixing protruding, in the time that inserted sheet inserts in slot, holddown groove snap in fixing protruding in, make inserted sheet and detect box secure fit, thereby inserted sheet is by regulating from different fixing protruding cooperations the degree of depth of inserting slot.
When above-mentioned detection probe is put into probe grooves, pipe back seat and probe grooves rear end clamping matching.
Above-mentioned slot arow is laid in and detects on box.
The detection method of the water sludge interface of in site measurement simultaneously differing heights dissolved oxygen, comprises the following steps:
Step 1, assembling checkout gear: select as required several detection probe, each detection probe snaps in respectively in the probe grooves of corresponding inserted sheet, guarantee detection probe and inserted sheet realization location, then inserted sheet is inserted to slot, according to the height difference of tested water sludge interface, select the slot of differing heights, then according to the horizontal level of tested water sludge interface, the degree of depth of inserted sheet insertion slot is set;
Step 2, the probe of each detection probe is all pushed out to and pushes the ante-chamber of pipe;
Step 3, will detect box sinking to water sludge interface, water injects water flowing chamber and pushes the ante-chamber of pipe, and each probe gathers the dissolved oxygen data in water, and sends data to dissolved oxygen low-light utmost point main frame, and dissolved oxygen low-light utmost point main frame carries out after analyzing and processing data, shows.
In step 1, the method for the degree of depth that inserted sheet inserts slot is set is: the front end of inserted sheet is pushed to slot, continue to push inserted sheet, until holddown groove while snapping in appropriate depth place fixing protruding, stops pushing inserted sheet.
Also comprise step 4: after having detected, will detect box and propose, and take out inserted sheet from water body; The method of taking out inserted sheet is: pull back propelling movement handle, brake pad is slided backward, when sliding to, brake pad pushes pipe rear end, probe is retracted in the back cavity that pushes pipe, continue to pull back propelling movement handle, brake pad props up pipe back seat and makes to move after whole inserted sheet, and holddown groove is from fixing protruding exiting, and inserted sheet is drawn out of.
Compared with prior art, checkout gear of the present invention and detection method thereof have the following advantages:
1, the present invention has multiple detection probe, these detection probe are worked simultaneously, thereby reach multiple probes and detect simultaneously the effect of same place water sludge interface differing heights dissolved oxygen, avoid repeatedly retest test, both saved time, and can obtain again the true distribution of water sludge interface differing heights dissolved oxygen amount sometime.
2, in the time measuring water sludge interface differing heights dissolved oxygen, the present invention does not need to gather water sludge interface sample to inspection instrument, but directly sink in the water body at tested water sludge interface place detecting box, avoid near the natural environment of water sludge interface to change, realize in-site detecting completely.
3, once complete water sludge interface differing heights dissolved oxygen and detect, very easy to use.
Brief description of the drawings
Fig. 1 is the structural representation that detects box;
Fig. 2 is the M-M cutaway view of Fig. 1;
Fig. 3 is the structural representation of detection probe;
Fig. 4 is the side view of Fig. 3;
Fig. 5 is the structural representation of inserted sheet;
Fig. 6 is the schematic diagram that detection probe is put into inserted sheet;
Fig. 7 is the schematic diagram after probe stretches out;
Fig. 8 is three inserted sheets insertion slots the schematic diagram that detects a right water flowing chamber differing heights dissolved oxygen;
Fig. 9 is the A portion structure enlarged drawing of Fig. 8;
Figure 10 is three inserted sheets insertion slots the schematic diagram that detects the second from left water flowing chamber differing heights dissolved oxygen;
Figure 11 is dissolved oxygen low-light electrode structure schematic block diagram.
Reference numeral is wherein: dissolved oxygen low-light utmost point main frame 1, detection probe 2, probe 21, soft quality optical fiber 22, detect that box 3, water flowing chamber 31, slot 32, fixing protruding 33, inserted sheet 4, probe grooves 41, groove window 41a, holddown groove 42, probe push structure 5, push pipe 51, ante-chamber 51a, back cavity 51b, push post 52, brake pad 53, sealing ring 54, push handle 55, pipe back seat 56, logical window 57.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
As shown in Figure 1 to 11, the checkout gear of while in site measurement water sludge interface differing heights dissolved oxygen of the present invention, comprise dissolved oxygen low-light utmost point main frame 1, dissolved oxygen low-light utmost point main frame 1 has connected several detection probe 2, detection probe 2 can be stretched out the probe 21 for detection of dissolved oxygen, it is characterized in that: checkout gear also comprises a detection box 3, detecting box 3 is placed on water sludge interface, detect the water flowing chamber 31 that offers several vertical perforations on box 3, and several slots 32 that detect box 3 that laterally run through, slot 32 is all communicated with each water flowing chamber 31, checkout gear also comprises several inserted sheets 4, on inserted sheet 4, be provided with probe grooves 41, the profile of the profile of probe grooves 41 and detection probe 2 adapts, it is fixing that detection probe 2 can be put into probe grooves 41, inserted sheet 4 can be inserted and secured in slot 32, by regulating inserted sheet 4 to insert the degree of depth of slot 32, make the probe 21 stretching out can be arranged in different water flowing chambeies 31.
In embodiment, detection probe 2 includes soft quality optical fiber 22 and rigid optical fiber, and rigid optical fiber is probe 21, and the rear end of rigid optical fiber is connected with dissolved oxygen low-light utmost point main frame 1 by soft quality optical fiber 22.
In embodiment, detection probe 2 also comprises that probe pushes structure 5, probe pushes structure 5 and comprises propelling movement pipe 51, push post 52, brake pad 53, sealing ring 54, push handle 55 and pipe back seat 56, push handle 55 and be connected to propelling movement post 52 rear ends, propelling movement post 52 front ends stretch into push in pipe 51 and are fixedly connected with the brake pad 53 pushing in pipe 51, brake pad 53 and the inwall frictional fit that pushes pipe 51, 56 shutoff of pipe back seat push pipe 51 rear ends, brake pad 53 is fixedly connected with the rear portion of probe 21, sealing ring 54 is fixed on and pushes in pipe 51, be ante-chamber 51a and back cavity 51b by propelling movement pipe 51 cavity sealed separation, ante-chamber 51a is provided with logical window 57, water can enter ante-chamber 51a from logical window 57, correspondingly, probe grooves 41 is provided with groove window 41a with logical window 57 corresponding positions, in the time that the inserted sheet 4 of fixed test probe 2 is fixed in slot 32, logical window 57 is communicated with water flowing chamber 31, in the time that the external force of propelling propelling movement handle 55 is greater than brake pad 53 and pushes the frictional force of pipe 51, brake pad 53 is managed 51 interior slips in propelling movement, and probe 21 is extend out in ante-chamber 51a.
In embodiment, soft quality optical fiber 22 is fixedly connected with propelling movement handle 55.
In embodiment, the side of inserted sheet 4 is provided with holddown groove 42, in slot 32, be provided with several fixing protruding 33, in the time that inserted sheet 4 inserts in slot 32, holddown groove 42 snaps in fixing protruding 33, make inserted sheet 4 and detect box 3 secure fit, thereby inserted sheet 4 is by regulating from different fixing protruding 33 cooperations the degree of depth of inserting slot 32.
In embodiment, when detection probe 2 is put into probe grooves 41, pipe back seat 56 and probe grooves 41 rear end clamping matching.
In embodiment, slot 32 arows are laid in and detect on box 3.
The detection method of the water sludge interface of in site measurement simultaneously differing heights dissolved oxygen, comprises the following steps:
Step 1, assembling checkout gear: select as required several detection probe 2, each detection probe 2 snaps in respectively in the probe grooves 41 of corresponding inserted sheet 4, guarantee that detection probe 2 realizes and locating with inserted sheet 4, then inserted sheet 4 is inserted to slot 32, according to the height difference of tested water sludge interface, select the slot 32 of differing heights, then according to the horizontal level of tested water sludge interface, inserted sheet 4 is set inserts the degree of depth of slot 32; The method that inserted sheet 4 inserts the degree of depth of slot 32 is set is: the front end of inserted sheet 4 is pushed to slot 32, continue to push inserted sheet 4, until holddown groove 42 snaps at fixing protruding 33 o'clock of appropriate depth place, stop pushing inserted sheet 4.
Step 2, the probe of each detection probe 2 21 is all pushed out to and pushes pipe 51 ante-chamber 51a;
Step 3, will detect box 3 sinkings to water sludge interface, water injects water flowing chamber 31 and pushes the ante-chamber 51a of pipe 51, and each probe 21 gathers the dissolved oxygen data in water, and sends data to dissolved oxygen low-light utmost point main frame 1, dissolved oxygen low-light utmost point main frame 1 carries out after analyzing and processing data, shows.
Step 4: after having detected, will detect box 3 and propose from water body, and take out inserted sheet 4; The method of taking out inserted sheet 4 is: pull back and push handle 55, brake pad 53 is slided backward, when sliding to, brake pad 53 pushes pipe 51 rear ends, probe 21 is retracted in the back cavity 51b that pushes pipe 51, continue to pull back propelling movement handle 55, brake pad 53 props up pipe back seat 56 and makes to move after whole inserted sheet 4, and holddown groove 42 exits from fixing protruding 33, and inserted sheet 4 is drawn out of.
Detection box 3 of the present invention is very thin, is highly no more than 1cm, and the thickness of inserted sheet 4 is 1mm left and right, and one is detected box 3 and can allow to insert 5-7 inserted sheet 4.
The detection probe 2 that the present embodiment adopts is fluorescent probe, its principle that detects water sludge interface dissolved oxygen is: utilize dissolved oxygen low-light utmost point main frame 1 to send laser, laser is incident upon probe 21 places by soft quality optical fiber 22, probe 21 front ends arrange oxygen-sensitive fluorescent material, laser is mapped on oxygen-sensitive fluorescent material, the fluorescence being produced by Fluorescence quenching effect feeds back to dissolved oxygen low-light utmost point main frame 1, fluorescence signal is converted into the signal of telecommunication by dissolved oxygen low-light utmost point main frame 1, and by comparing with dissolved oxygen concentration variation relation after signal of telecommunication demodulation, draw dissolved oxygen concentration information. Oxygen-sensitive fluorescent material can be selected from existing various sensitive fluorescent materials, and material is ruthenium complex preferably, as Ru (dpp)3Cl2Deng.
Below be only the preferred embodiment of the present invention, protection scope of the present invention is also not only confined to above-described embodiment, and all technical schemes belonging under thinking of the present invention all belong to protection scope of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications without departing from the principles of the present invention, should be considered as protection scope of the present invention.
Claims (10)
1. the checkout gear of the water sludge interface of in site measurement simultaneously differing heights dissolved oxygen, comprise dissolved oxygen low-light utmost point main frame (1), described dissolved oxygen low-light utmost point main frame (1) has connected several detection probe (2), described detection probe (2) can be stretched out the probe (21) for detection of dissolved oxygen, it is characterized in that: checkout gear also comprises a detection box (3), described detection box (3) is placed on water sludge interface, on described detection box (3), offer the water flowing chamber (31) of several vertical perforations, and several slots (32) that detect box (3) that laterally run through, described slot (32) is all communicated with each water flowing chamber (31), checkout gear also comprises several inserted sheets (4), on described inserted sheet (4), be provided with probe grooves (41), the profile of described probe grooves (41) and the profile of detection probe (2) adapt, it is fixing that described detection probe (2) can be put into probe grooves (41), described inserted sheet (4) can be inserted and secured in slot (32), by regulating inserted sheet (4) to insert the degree of depth of slot (32), make the probe (21) stretching out can be arranged in different water flowing chambeies (31).
2. the checkout gear of while in site measurement water sludge interface differing heights dissolved oxygen according to claim 1, it is characterized in that: described detection probe (2) includes soft quality optical fiber (22) and rigid optical fiber, described rigid optical fiber is probe (21), and the rear end of described rigid optical fiber is connected with dissolved oxygen low-light utmost point main frame (1) by soft quality optical fiber (22).
3. the checkout gear of while in site measurement water sludge interface differing heights dissolved oxygen according to claim 2, it is characterized in that: detection probe (2) also comprises that probe pushes structure (5), described probe pushes structure (5) and comprises propelling movement pipe (51), push post (52), brake pad (53), sealing ring (54), push handle (55) and pipe back seat (56), described propelling movement handle (55) is connected to and pushes post (52) rear end, described propelling movement post (52) front end stretches into push in pipe (51) and is fixedly connected with the brake pad (53) pushing in pipe (51), described brake pad (53) and the inwall frictional fit that pushes pipe (51), described pipe back seat (56) shutoff pushes pipe (51) rear end, described brake pad (53) is fixedly connected with the rear portion of probe (21), described sealing ring (54) is fixed on and pushes in pipe (51), to push pipe (51) cavity sealed separation is ante-chamber (51a) and back cavity (51b), described ante-chamber (51a) is provided with logical window (57), water can enter ante-chamber (51a) from logical window (57), correspondingly, described probe grooves (41) is provided with groove window (41a) with logical window (57) corresponding position, in the time that the inserted sheet (4) of fixed test probe (2) is fixed in slot (32), logical window (57) is communicated with water flowing chamber (31), in the time advancing the external force of propelling movement handle (55) to be greater than brake pad (53) and to push the frictional force of pipe (51), described brake pad (53), pushing slip in pipe (51), extend out in ante-chamber (51a) probe (21).
4. the checkout gear of while in site measurement water sludge interface differing heights dissolved oxygen according to claim 3, is characterized in that: described soft quality optical fiber (22) is fixedly connected with propelling movement handle (55).
5. the checkout gear of while in site measurement water sludge interface differing heights dissolved oxygen according to claim 4, it is characterized in that: the side of described inserted sheet (4) is provided with holddown groove (42), in described slot (32), be provided with several fixing protruding (33), in the time that described inserted sheet (4) inserts in slot (32), described holddown groove (42) snaps in fixing protruding (33), make inserted sheet (4) and detect box (3) secure fit, inserted sheet (4) by from different fixing protruding (33) thus coordinate and regulate the degree of depth of inserting slot (32).
6. the checkout gear of while in site measurement water sludge interface differing heights dissolved oxygen according to claim 5, it is characterized in that: when described detection probe (2) is put into probe grooves (41), described pipe back seat (56) and probe grooves (41) rear end clamping matching.
7. the checkout gear of while in site measurement water sludge interface differing heights dissolved oxygen according to claim 5, is characterized in that: described slot (32) arow is laid in and detects on box (3).
8. the detection method of the water sludge interface of in site measurement simultaneously differing heights dissolved oxygen, is characterized in that: comprise the following steps:
Step 1, assembling checkout gear: select as required several detection probe (2), each detection probe (2) snaps in respectively in the probe grooves (41) of corresponding inserted sheet (4), guarantee that detection probe (2) realizes and locating with inserted sheet (4), then inserted sheet (4) is inserted to slot (32), according to the height difference of tested water sludge interface, select the slot (32) of differing heights, according to the horizontal level of tested water sludge interface, the degree of depth of inserted sheet (4) insertion slot (32) is set again;
Step 2, by the probe of each detection probe (2) (21) be all pushed out to push pipe (51) ante-chamber (51a);
Step 3, will detect box (3) sinking to water sludge interface, water injects water flowing chamber (31) and pushes the ante-chamber (51a) of pipe (51), each probe (21) gathers the dissolved oxygen data in water, and send data to dissolved oxygen low-light utmost point main frame (1), dissolved oxygen low-light utmost point main frame (1) carries out after analyzing and processing data, shows.
9. the detection method of while in site measurement water sludge interface differing heights dissolved oxygen according to claim 8, it is characterized in that: in step 1, the method that the degree of depth of inserted sheet (4) insertion slot (32) is set is: the front end of inserted sheet (4) is pushed to slot (32), continue to push inserted sheet (4), until holddown groove (42) while snapping in fixing protruding (33) at appropriate depth place, stops pushing inserted sheet (4).
10. the detection method of while in site measurement water sludge interface differing heights dissolved oxygen according to claim 8, is characterized in that: also comprise step 4: after having detected, will detect box (3) and propose from water body, and take out inserted sheet (4); The method of taking out inserted sheet (4) is: pull back and push handle (55), brake pad (53) is slided backward, when sliding to, brake pad (53) pushes pipe (51) rear end, probe (21) is retracted in the back cavity (51b) that pushes pipe (51), continue to pull back propelling movement handle (55), brake pad (53) props up pipe back seat (56) and makes to move after whole inserted sheet (4), holddown groove (42) exits from fixing protruding (33), and inserted sheet (4) is drawn out of.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610076045.6A CN105606578B (en) | 2016-02-03 | 2016-02-03 | The detection device and its detection method of in situ measurement water sludge interface different height dissolved oxygen simultaneously |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610076045.6A CN105606578B (en) | 2016-02-03 | 2016-02-03 | The detection device and its detection method of in situ measurement water sludge interface different height dissolved oxygen simultaneously |
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| CN105606578B CN105606578B (en) | 2019-07-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1887344A1 (en) * | 2005-05-27 | 2008-02-13 | Kirin Beer Kabushiki Kaisha | Method for measuring oxygen amount in hermetically sealed container and piercing device for hermetically sealed container used therefor |
| CN101566573A (en) * | 2009-03-27 | 2009-10-28 | 中国海洋大学 | Two dimensional distribution detecting apparatus for dissolving oxygen at sediment-seawater interface |
| CN102087221A (en) * | 2010-12-24 | 2011-06-08 | 湖南省水产科学研究所 | Method for rapidly determining dissolved oxygen in water |
| CN203838104U (en) * | 2013-11-20 | 2014-09-17 | 刁昱翔 | Improved structure of dissolved oxygen detection device |
| CN204241404U (en) * | 2014-12-18 | 2015-04-01 | 环境保护部南京环境科学研究所 | For the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen |
| CN205562388U (en) * | 2016-02-03 | 2016-09-07 | 环境保护部南京环境科学研究所 | Detection apparatus for muddy water of in site measurement simultaneously interface is co -altitude dissolved oxygen not |
-
2016
- 2016-02-03 CN CN201610076045.6A patent/CN105606578B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1887344A1 (en) * | 2005-05-27 | 2008-02-13 | Kirin Beer Kabushiki Kaisha | Method for measuring oxygen amount in hermetically sealed container and piercing device for hermetically sealed container used therefor |
| CN101566573A (en) * | 2009-03-27 | 2009-10-28 | 中国海洋大学 | Two dimensional distribution detecting apparatus for dissolving oxygen at sediment-seawater interface |
| CN102087221A (en) * | 2010-12-24 | 2011-06-08 | 湖南省水产科学研究所 | Method for rapidly determining dissolved oxygen in water |
| CN203838104U (en) * | 2013-11-20 | 2014-09-17 | 刁昱翔 | Improved structure of dissolved oxygen detection device |
| CN204241404U (en) * | 2014-12-18 | 2015-04-01 | 环境保护部南京环境科学研究所 | For the device of in-site detecting submerged plant rhizosphere micro-interface dissolved oxygen |
| CN205562388U (en) * | 2016-02-03 | 2016-09-07 | 环境保护部南京环境科学研究所 | Detection apparatus for muddy water of in site measurement simultaneously interface is co -altitude dissolved oxygen not |
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|---|---|
| CN105606578B (en) | 2019-07-26 |
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