CN208076450U - High-precision polarographic dissolved oxygen measuring device - Google Patents
High-precision polarographic dissolved oxygen measuring device Download PDFInfo
- Publication number
- CN208076450U CN208076450U CN201820532878.3U CN201820532878U CN208076450U CN 208076450 U CN208076450 U CN 208076450U CN 201820532878 U CN201820532878 U CN 201820532878U CN 208076450 U CN208076450 U CN 208076450U
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- China
- Prior art keywords
- dissolved oxygen
- measuring device
- fixedly connected
- precision
- anode
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- Expired - Fee Related
Links
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 58
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 58
- 239000001301 oxygen Substances 0.000 title claims abstract description 58
- 239000000523 sample Substances 0.000 claims abstract description 27
- 230000003028 elevating effect Effects 0.000 claims abstract description 14
- 239000003792 electrolyte Substances 0.000 claims abstract description 13
- 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 abstract description 12
- 239000012528 membrane Substances 0.000 claims abstract description 10
- 238000001514 detection method Methods 0.000 claims description 17
- 235000005121 Sorbus torminalis Nutrition 0.000 claims description 5
- 244000152100 Sorbus torminalis Species 0.000 claims description 5
- 238000005259 measurement Methods 0.000 abstract description 19
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000012423 maintenance Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000004985 diamines Chemical class 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000003487 electrochemical reaction Methods 0.000 description 1
- 238000005868 electrolysis reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000003969 polarography Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
Abstract
The utility model discloses high-precision polarographic dissolved oxygen measuring devices, including pedestal, dissolved oxygen sensing instrument is fixedly connected on the right side of the base top, top on front side of the dissolved oxygen sensing instrument is provided with display screen, it is provided with conducting wire at center at the top of the dissolved oxygen sensing instrument, it is fixedly connected with fixed column at the center of the base bottom, lifting column is provided at the top of the fixed column.The utility model passes through dissolved oxygen sensing instrument, display screen, conducting wire, fixed column, lifting column, supporting rack, elevating lever, the cooperation for detecting frame, temp probe, gas-permeable membrane, electrolyte, anode and cathode, it prevents from measuring hydrazine and temperature in solution to interfere measurement result, it is permeated simultaneously convenient for the oxygen in solution, enhance the measurement precision of temp probe, the measurement accuracy for improving dissolved oxygen measuring device, solves the problems, such as that existing dissolved oxygen measuring device measurement accuracy is low.
Description
Technical field
The utility model is related to dissolved oxygen sensing technical fields, specially high-precision polarographic dissolved oxygen measuring device.
Background technology
Dissolved oxygen sensing instrument is that oxygen is restored through diaphragm by working electrode, generates the dissufion current directly proportional to oxygen concentration,
By measuring this electric current, the equipment for obtaining the measurement oxygen in water of the concentration of oxygen in water, according to concentration difference, diaphragm electricity
Pole is divided into polarogram formula and primary cell type two types.
The measuring principle of the dissolved oxygen generally used at present is polarography, i.e., applies certain voltage to electrode, make dissolving
In electrode surface electrochemical reaction occurs for oxygen, and electric transducer electric current, the size and dissolved oxygen of the electric current are generated in measuring circuit
Concentration it is directly proportional, existing dissolved oxygen measuring device measurement accuracy is low, while this measuring principle can be by water sample temperature, water
The influence of the factors such as the diamine interference in sample flow velocity, fouling of the electrode, anode aging, water, using the dress of this measuring principle
Set measure it is not accurate enough, data are not sufficiently stable.
Utility model content
The purpose of this utility model is to provide high-precision polarographic dissolved oxygen measuring devices, have the excellent of high certainty of measurement
Point solves the problems, such as that existing dissolved oxygen measuring device measurement accuracy is low.
To achieve the above object, the utility model provides the following technical solutions：High-precision polarographic dissolved oxygen measuring device,
Including pedestal, dissolved oxygen sensing instrument, the top on front side of the dissolved oxygen sensing instrument are fixedly connected on the right side of the base top
It is provided with display screen, conducting wire is provided at the center at the top of the dissolved oxygen sensing instrument, is fixed at the center of the base bottom
It is connected with fixed column, lifting column is provided at the top of the fixed column, supporting rack, institute are fixedly connected at the top of the lifting column
The bottom that supporting rack is located at conducting wire is stated, elevating lever is fixedly connected on the right side of support frame as described above, the bottom of the elevating lever is fixed
It is connected with detection frame, the bottom end of the conducting wire through elevating lever and is communicated with temp probe, the top of the temp probe and spy
The bottom of test aircraft is fixedly connected, and gas-permeable membrane is provided on the outside of the detection frame, and the both sides of the detection frame inner cavity are all provided with
It is equipped with electrolyte, anode is provided on the inside of the electrolyte, cathode, the temp probe position are provided on the inside of the anode
In the inside of cathode and anode.
Preferably, the surface of the temp probe and anode top is provided with circuit.
Preferably, it is provided with lifting knob at the center on the left of the fixed column, the surface of the lifting knob offers
Anti-skid chequer.
Preferably, the bottom of the detection frame is provided with beaker, and the inner cavity of the beaker is provided with solution to be detected, described
Beaker is located at the top of pedestal.
Compared with prior art, the beneficial effects of the utility model are as follows：
1, the utility model by dissolved oxygen sensing instrument, display screen, conducting wire, fixed column, lifting column, supporting rack, elevating lever,
The cooperation for detecting frame, temp probe, gas-permeable membrane, electrolyte, anode and cathode prevents from measuring hydrazine and temperature in solution
Measurement result is interfered, while being permeated convenient for the oxygen in solution, the measurement precision of temp probe is enhanced, is improved
The measurement accuracy of dissolved oxygen measuring device solves the problems, such as that existing dissolved oxygen measuring device measurement accuracy is low, prevents to be detected
Solution avoids user from carrying out maintenance scale removal to temp probe, while need not also use in temp probe surface mount incrustation scale
Person takes multiple measurements solution, reduces the labor intensity of user, is worth of widely use.
2, the utility model can be powered to anode and cathode by circuit, enhance the electrolysis of dissolved oxygen measuring device
Property, by lifting knob, the height of lifting column can be adjusted, by anti-skid chequer, increase the hand and lifting knob of user
Frictional force solution to be detected is held convenient for user by beaker, while also effectively standing the stream of solution to be detected
Speed.
Description of the drawings
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model circuit structure schematic diagram.
In figure：1 pedestal, 2 dissolved oxygen sensing instrument, 3 display screens, 4 conducting wires, 5 fixed columns, 6 lifting columns, 7 supporting racks, 8 liftings
Bar, 9 detection framves, 10 temp probes, 11 gas-permeable membranes, 12 electrolyte, 13 anodes, 14 cathodes, 15 circuits, 16 lifting knobs,
17 beakers.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
- 2 are please referred to Fig.1, high-precision polarographic dissolved oxygen measuring device, including pedestal 1, the right side at 1 top of pedestal are fixed
It is connected with dissolved oxygen sensing instrument 2, the top of 2 front side of dissolved oxygen sensing instrument is provided with display screen 3,2 top of dissolved oxygen sensing instrument
It is provided with conducting wire 4 at center, fixed column 5 is fixedly connected at the center of 1 bottom of pedestal, is arranged at the center in 5 left side of fixed column
There is lifting knob 16, by lifting knob 16, the height of lifting column 6 can be adjusted, the surface of lifting knob 16 offers
Anti-skid chequer increases the frictional force of the hand and lifting knob 16 of user by anti-skid chequer, and the top of fixed column 5 is provided with lifting
The top of column 6, lifting column 6 is fixedly connected with supporting rack 7, and supporting rack 7 is located at the bottom of conducting wire 4, and the right side of supporting rack 7, which is fixed, to be connected
It is connected to elevating lever 8, the bottom of elevating lever 8 is fixedly connected with detection frame 9, and the bottom of detection frame 9 is provided with beaker 17, beaker 17
Inner cavity is provided with solution to be detected, and beaker 17 is located at the top of pedestal 1, by beaker 17, convenient for user to solution to be detected
It is held, while also effectively standing the flow velocity of solution to be detected, the bottom end of conducting wire 4 through elevating lever 8 and is communicated with temperature spy
First 10, the surface at temp probe 10 and the top of anode 13 is provided with circuit 15, by circuit 15, can to anode 13 and cathode 14 into
Row is powered, and enhances the electrolyte of dissolved oxygen measuring device, and the top of temp probe 10 is fixedly connected with the bottom of detection frame 9, visits
The outside of test aircraft 9 is provided with gas-permeable membrane 11, and the both sides of 9 inner cavity of detection frame are both provided with electrolyte 12, electrolyte 12 it is interior
Side is provided with anode 13, and the inside of anode 13 is provided with cathode 14, and temp probe 10 is located at the inside of cathode 14 and anode 13, leads to
Dissolved oxygen sensing instrument 2, display screen 3, conducting wire 4, fixed column 5, lifting column 6, supporting rack 7, elevating lever 8, detection frame 9, temperature is crossed to visit
First 10, the cooperation of gas-permeable membrane 11, electrolyte 12, anode 13 and cathode 14 prevents from measuring hydrazine and temperature pair in solution
Measurement result is interfered, while being permeated convenient for the oxygen in solution, and the measurement precision of temp probe 10 is enhanced, and is improved
The measurement accuracy of dissolved oxygen measuring device solves the problems, such as that existing dissolved oxygen measuring device measurement accuracy is low, prevents to be detected
Solution avoids user from carrying out maintenance scale removal to temp probe 10, while also not needing in 10 surface mount incrustation scale of temp probe
User takes multiple measurements solution, reduces the labor intensity of user, is worth of widely use.
In use, user opens circuit 15 and dissolved oxygen sensing instrument 2 by external power, user is by solution to be detected
It injects in beaker 17, places a period of time, the solution to be detected in beaker 17 can be stood, reduce the stream of solution to be detected
The height of lifting column 6 can be adjusted in speed, user's rotation and lifting knob 16, fixed column 5, and lifting column 6 drives 7 He of supporting rack
Elevating lever 8 moves downward, and so that temp probe 10 and detection frame 9 is submerged in solution to be detected, anode 13 and the moon are given by circuit 15
Pole 14 is powered, and cathode 14 discharges electronics, and anode 13 receives electronics, and the oxygen in solution to be detected is expanded by gas-permeable membrane 11
It dissipates into the interior anode 13 and cathode 14 with electrification of electrolyte 12 and constitutes measuring loop, by the cooperation of temp probe 10, simultaneously
According to Faraday's law：Electric current and the partial pressure of oxygen for flowing through dissolved oxygen analytic instrument electrode are directly proportional, electric in the case of temperature-resistant
It is in a linear relationship between stream and oxygen concentration, it is displayed data by display screen 3, by gas-permeable membrane 11 and detects frame 9
Cooperation, so as to carry out scale-deposit-preventing processing to anode 13, cathode 14 and temp probe 10, to improve dissolved oxygen measuring device
Precision.
In summary：The high-precision polarographic dissolved oxygen measuring device, passes through dissolved oxygen sensing instrument 2, display screen 3, conducting wire
4, fixed column 5, lifting column 6, supporting rack 7, elevating lever 8, detection frame 9, temp probe 10, gas-permeable membrane 11, electrolyte 12, sun
The cooperation of pole 13 and cathode 14 solves the problems, such as that existing dissolved oxygen measuring device measurement accuracy is low.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (4)
1. high-precision polarographic dissolved oxygen measuring device, including pedestal（1）, it is characterised in that：The pedestal（1）The right side at top
It is fixedly connected with dissolved oxygen sensing instrument（2）, the dissolved oxygen sensing instrument（2）Display screen is provided at the top of front side（3）, described molten
Solve oxygen measuring device（2）It is provided with conducting wire at the center at top（4）, the pedestal（1）It is fixedly connected with fixation at the center of bottom
Column（5）, the fixed column（5）Top be provided with lifting column（6）, the lifting column（6）Top be fixedly connected with supporting rack
（7）, support frame as described above（7）Positioned at conducting wire（4）Bottom, support frame as described above（7）Right side be fixedly connected with elevating lever（8）, institute
State elevating lever（8）Bottom be fixedly connected with detection frame（9）, the conducting wire（4）Bottom end run through elevating lever（8）And it is communicated with temperature
Degree probe（10）, the temp probe（10）Top with detection frame（9）Bottom be fixedly connected, the detection frame（9）It is outer
Side is provided with gas-permeable membrane（11）, the detection frame（9）The both sides of inner cavity are both provided with electrolyte（12）, the electrolyte
（12）Inside be provided with anode（13）, the anode（13）Inside be provided with cathode（14）, the temp probe（10）Position
In cathode（14）And anode（13）Inside.
2. high-precision polarographic dissolved oxygen measuring device according to claim 1, it is characterised in that：The temp probe
（10）And anode（13）The surface at top is provided with circuit（15）.
3. high-precision polarographic dissolved oxygen measuring device according to claim 1, it is characterised in that：The fixed column（5）
It is provided with lifting knob at the center in left side（16）, the lifting knob（16）Surface offer anti-skid chequer.
4. high-precision polarographic dissolved oxygen measuring device according to claim 1, it is characterised in that：The detection frame（9）
Bottom be provided with beaker（17）, the beaker（17）Inner cavity be provided with solution to be detected, the beaker（17）Positioned at pedestal
（1）Top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820532878.3U CN208076450U (en) | 2018-04-16 | 2018-04-16 | High-precision polarographic dissolved oxygen measuring device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820532878.3U CN208076450U (en) | 2018-04-16 | 2018-04-16 | High-precision polarographic dissolved oxygen measuring device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208076450U true CN208076450U (en) | 2018-11-09 |
Family
ID=64041304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820532878.3U Expired - Fee Related CN208076450U (en) | 2018-04-16 | 2018-04-16 | High-precision polarographic dissolved oxygen measuring device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208076450U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458470A (en) * | 2019-01-22 | 2020-07-28 | 西藏智慧水务股份有限公司 | Dissolved oxygen analyzer with water quality sampling and sample preservation functions |
-
2018
- 2018-04-16 CN CN201820532878.3U patent/CN208076450U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111458470A (en) * | 2019-01-22 | 2020-07-28 | 西藏智慧水务股份有限公司 | Dissolved oxygen analyzer with water quality sampling and sample preservation functions |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181109 |