CN207586170U - A kind of online dissolved oxygen test circulation groove - Google Patents
A kind of online dissolved oxygen test circulation groove Download PDFInfo
- Publication number
- CN207586170U CN207586170U CN201721821490.7U CN201721821490U CN207586170U CN 207586170 U CN207586170 U CN 207586170U CN 201721821490 U CN201721821490 U CN 201721821490U CN 207586170 U CN207586170 U CN 207586170U
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- CN
- China
- Prior art keywords
- water
- pipe
- dissolved oxygen
- shell
- diameter portion
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a kind of online dissolved oxygen test circulation grooves, including shell and sampling pump, the inside of the shell is equipped with water quality sensor, the bottom end of the shell is connected with the inside of water inlet pipe, the water inlet pipe is internally provided with varying diameter portion, the bottom end of the water quality sensor is connected with the inside of varying diameter portion, through-hole is offered between the side of the varying diameter portion and shell, one end of the water inlet pipe is welded with connecting tube, the bottom end of the connecting tube is connected with screen pipe, pipeline reducing diameter portion becomes flat flow passageway, so that water velocity becomes faster, water quality sensor detection faces are vertical with flow and on flat tube inner plane, water outlet is than water inlet flood smoothness, water can recycle in water quality sensor cavity；By installing filter device so that circulation groove can effectively improve water quality, and reduction hinders dissolved oxygen and electrode contact ac；By installing blow-off pipe and solenoid valve cooperating, convenient for sludge is discharged.
Description
Technical field
The utility model is related to circulation groove technical field, specially a kind of online dissolved oxygen test circulation groove.
Background technology
Dissolved oxygen amount, is in waters the oxygenous meltage of institute, is generally from the supply of oxygen or aquatic plant in air, such as
The oxygen of the photosynthesis generation of vegetalitas planktonic organism bottom photosynthsis.Its content is with water temperature, atmospheric pressure and sea
The salinity of water and it is different.The a little higher than seawater of its dissolved oxygen in fresh water, usual five to 14 ppm.Dissolved oxygen amount is dropped with increasing for water temperature
It is low；Water temperature reduces, and dissolved oxygen amount can then increase.Atmospheric pressure is lower, and dissolved oxygen amount then also decreases.Oxygen contains in water
Amount, also because Organic substance in water decomposes and oxygen consumption is fallen in the breathing of biology, so dissolved oxygen in water often changes.
Because the presence of organic matter can lead to dissolved oxygen sensor electrode in microbial algal and water in dissolved oxygen detection process
Surface attachment is dirty, hinders dissolved oxygen and electrode contact ac, signal is caused to be decayed, need often to safeguard, test error is larger,
Increase manual maintenance workload, for this purpose, proposing a kind of online dissolved oxygen test circulation groove.
Utility model content
The purpose of this utility model is to provide a kind of online dissolved oxygen test circulation grooves, can enable dissolved oxygen electrode
Long period works normally, and ensures that detection data is accurately true, real meaning on-line continuous monitoring is realized, to solve above-mentioned background
The problem of being proposed in technology.
To achieve the above object, the utility model provides following technical solution：A kind of online dissolved oxygen test circulation groove,
Including shell and sampling pump, the inside of the shell is equipped with water quality sensor, the bottom end of the shell and the inside of water inlet pipe
Connection, the water inlet pipe are internally provided with varying diameter portion, and the bottom end of the water quality sensor is connected with the inside of varying diameter portion, the change
Through-hole is offered between the side in diameter portion and shell, one end of the water inlet pipe is welded with connecting tube, the bottom end of the connecting tube
Screen pipe is connected with, the bottom of the screen pipe is welded with blow-off pipe, and the water outlet of the sampling pump passes through water pipe and blow-off pipe
The connection of side water inlet.
Preferably, the top of the shell is threaded with end cap.
Preferably, the cross section of the varying diameter portion discharge orifice is set as flat flow passageway.
Preferably, the internal whorl of the screen pipe is connected with filter device, and the inner wall side of the screen pipe offers
The threaded hole of valve corresponding with filter device.
Preferably, the filter device includes filtering net cylinder, and one end of the filtering net cylinder is welded with baffle, and filter screen
The other end of cylinder is equipped with thread segment, and the outside of the baffle is equipped with handle.
Preferably, the bottom outlet of the blow-off pipe is equipped with solenoid valve.
Compared with prior art, the beneficial effects of the utility model are：
1st, pipeline reducing diameter portion becomes flat flow passageway so that water velocity becomes faster, water quality sensor detection faces and flow
Vertically and on flat tube inner plane, water outlet is more smooth than water inlet flood, and water can recycle in water quality sensor cavity；
2nd, by installing filter device so that circulation groove can effectively improve water quality, and reduction hinders dissolved oxygen and electrode
Contact ac；
3rd, by installing blow-off pipe and solenoid valve cooperating, convenient for sludge is discharged.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the sectional view of the utility model；
Fig. 3 is the side view of the utility model varying diameter portion；
Fig. 4 is the stereogram of the utility model filter device.
In figure：1 shell, 2 end caps, 3 water quality sensors, 4 through-holes, 5 connecting tubes, 6 water inlet pipes, 7 varying diameter portion, 8 screen pipes, 9
Filter device, 91 filtering net cylinders, 92 baffles, 93 handles, 94 thread segments, 10 threaded holes, 11 blow-off pipes, 12 solenoid valves, 13 samplings
Pump.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, 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 embodiment in the utility model, those of ordinary skill in the art are without making creative work
All other embodiments obtained shall fall within the protection scope of the present invention.
- 4 are please referred to Fig.1, the utility model provides a kind of technical solution：The online dissolved oxygen test circulation groove, including
Shell 1 and sampling pump 13, the circular motion of 13 built-in motor of sampling pump, do the diaphragm inside pump by mechanical device past
Composite motion, so as to be compressed to the volume in the pump chamber of fixed volume, stretch to form vacuum (negative pressure), at pumping gas port
Pressure differential is generated with external atmosphere pressure, under the action of pressure differential, gas or liquid pressure (suction) are entered into pump chamber, then arrange from exhaust outlet
Go out, the inside of the shell 1 is equipped with water quality sensor 3, and the water quality sensor 3 is DO-955 type water quality sensors, is mostly used
In the on-line monitoring of the industries dissolved oxygen value such as environmental protection, sludge, the bottom end of the shell 1 is connected with the inside of water inlet pipe 6, it is described into
Water pipe 6 is internally provided with varying diameter portion 7, and the bottom end of the water quality sensor 3 is connected with the inside of varying diameter portion 7, the varying diameter portion 7
Through-hole 4 is offered between side and shell 1, one end of the water inlet pipe 6 is welded with connecting tube 5, and the bottom end of the connecting tube 5 connects
Screen pipe 8 is connected to, the bottom of the screen pipe 8 is welded with blow-off pipe 11, and the water outlet of the sampling pump 13 passes through water pipe and row
The side water inlet connection of dirty pipe 11.
Specifically, the top of the shell 1 is threaded with end cap 2, by installing 2 water quality sensor easy to disassemble of end cap
3。
Specifically, the cross section of 7 discharge orifice of varying diameter portion is set as flat flow passageway, become by pipeline reducing diameter portion 7
Into flat flow passageway so that water velocity becomes faster.
Specifically, the internal whorl of the screen pipe 8 is connected with filter device 9, the inner wall side of the screen pipe 8 opens up
There is the threaded hole 10 with 9 corresponding valve of filter device, by being threaded hole 10, be convenient for while stabilization by filter device 9
Filter device 9 dismounts.
Specifically, the filter device 9 includes filtering net cylinder 91, one end of the filtering net cylinder 91 is welded with baffle 92,
And the other end of filtering net cylinder 91 is equipped with thread segment 94, the outside of the baffle 92 is equipped with handle 93, by installing filter device
9 so that circulation groove can effectively improve water quality, and reduction hinders dissolved oxygen and electrode contact ac.
Specifically, the bottom outlet of the blow-off pipe 11 is equipped with solenoid valve 12, by installing blow-off pipe 11 and electricity
Magnet valve cooperating, convenient for sludge is discharged.
Operation principle：In use, the online dissolved oxygen test circulation groove cooperation sampling pump, flow enter from side,
Place water quality sensor 3 section of tubing become narrow flat runoff passageway, be water velocity faster, 3 electrode of water quality sensor
Face and the perpendicular angle of flow, sensor test face open up logical just on pipe surface, while in water inlet conduit varying diameter portion 7
Hole 4 is sitting in 1 private water supply of shell to sensor, makes the water for having circulation in 3 place cavity of water quality sensor always, holding and test sample
Temperature is consistent.Water outlet keeps unimpeded no resistance, and the inside of shell 1 cannot deposit gas where keeping 3 electrode surface of water quality sensor,
By installing filter device 9 so that circulation groove can effectively improve water quality, and reduction hinders dissolved oxygen and electrode contact ac,
By installing blow-off pipe 11 and solenoid valve cooperating, convenient for sludge is discharged.
While there has been shown and described that the embodiment of the utility model, 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 of the principle and spirit for not departing from the utility model, repaiied
Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of online dissolved oxygen test circulation groove, including shell (1) and sampling pump (13), it is characterised in that：The shell
(1) inside is equipped with water quality sensor (3), and the bottom end of the shell (1) is connected with the inside of water inlet pipe (6), the water inlet
Pipe (6) is internally provided with varying diameter portion (7), and the bottom end of the water quality sensor (3) is connected with the inside of varying diameter portion (7), the change
Through-hole (4) is offered between the side in diameter portion (7) and shell (1), one end of the water inlet pipe (6) is welded with connecting tube (5), institute
The bottom end for stating connecting tube (5) is connected with screen pipe (8), and the bottom of the screen pipe (8) is welded with blow-off pipe (11), the sampling
The water outlet of pump (13) is connected by water pipe with the side water inlet of blow-off pipe (11).
2. a kind of online dissolved oxygen test circulation groove according to claim 1, it is characterised in that：The shell (1)
Top is threaded with end cap (2).
3. a kind of online dissolved oxygen test circulation groove according to claim 1, it is characterised in that：The varying diameter portion (7)
The cross section of discharge orifice is set as flat flow passageway.
4. a kind of online dissolved oxygen test circulation groove according to claim 1, it is characterised in that：The screen pipe (8)
Internal whorl be connected with filter device (9), the inner wall side of the screen pipe (8) offers corresponding with filter device (9)
The threaded hole (10) of valve.
5. a kind of online dissolved oxygen test circulation groove according to claim 4, it is characterised in that：The filter device
(9) including filtering net cylinder (91), one end of the filtering net cylinder (91) is welded with baffle (92), and filtering net cylinder (91) is another
End is equipped with thread segment (94), and the outside of the baffle (92) is equipped with handle (93).
6. a kind of online dissolved oxygen test circulation groove according to claim 1, it is characterised in that：The blow-off pipe (11)
Bottom outlet solenoid valve (12) is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821490.7U CN207586170U (en) | 2017-12-23 | 2017-12-23 | A kind of online dissolved oxygen test circulation groove |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721821490.7U CN207586170U (en) | 2017-12-23 | 2017-12-23 | A kind of online dissolved oxygen test circulation groove |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586170U true CN207586170U (en) | 2018-07-06 |
Family
ID=62740217
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721821490.7U Expired - Fee Related CN207586170U (en) | 2017-12-23 | 2017-12-23 | A kind of online dissolved oxygen test circulation groove |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207586170U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211345A1 (en) * | 2019-04-17 | 2020-10-22 | 合肥美的电冰箱有限公司 | Water quality measurement device, refrigerator water supply system and refrigerator |
| CN113588905A (en) * | 2021-08-06 | 2021-11-02 | 宁波水表(集团)股份有限公司 | Water quality on-line monitoring system of water supply pipe network |
-
2017
- 2017-12-23 CN CN201721821490.7U patent/CN207586170U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020211345A1 (en) * | 2019-04-17 | 2020-10-22 | 合肥美的电冰箱有限公司 | Water quality measurement device, refrigerator water supply system and refrigerator |
| CN113588905A (en) * | 2021-08-06 | 2021-11-02 | 宁波水表(集团)股份有限公司 | Water quality on-line monitoring system of water supply pipe network |
| CN113588905B (en) * | 2021-08-06 | 2023-06-16 | 宁波水表(集团)股份有限公司 | Water quality on-line monitoring system of water supply pipe network |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180706 Termination date: 20201223 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |