CN206348266U - A kind of Water quality ammonia nitrogen in-line analyzer - Google Patents
A kind of Water quality ammonia nitrogen in-line analyzer Download PDFInfo
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- CN206348266U CN206348266U CN201720014003.XU CN201720014003U CN206348266U CN 206348266 U CN206348266 U CN 206348266U CN 201720014003 U CN201720014003 U CN 201720014003U CN 206348266 U CN206348266 U CN 206348266U
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- sample introduction
- ammonia nitrogen
- water quality
- peristaltic pump
- colorimetric cylinder
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Abstract
The utility model provides a kind of Water quality ammonia nitrogen in-line analyzer, including peristaltic pump, sample introduction overall channel, some sample introduction subchannels, colorimetric cylinder, peristaltic pump is connected with sample introduction overall channel, sample introduction overall channel connects each bar sample introduction subchannel respectively, every sample introduction subchannel includes diaphanometer buret, two logical electromagnetic gas valves and threeway electromagnetic liquid valve, sample introduction overall channel is connected with each two logical electromagnetic gas valves respectively, threeway electromagnetic liquid valve in each sample introduction subchannel is connected with colorimetric cylinder by another threeway electromagnetic liquid valve respectively, each diaphanometer buret upper end both sides and lower end both sides are equipped with a pair of optoelectronic switches, each optoelectronic switch is used for electromagnetic gas valve output signal, peristaltic pump, each optoelectronic switch has with single-chip microcomputer to be electrically connected, colorimetric cylinder both sides are provided with photoelectric conversion component.This analyzer is engaged using multiple electromagnetic gas valves with peristaltic pump, greatly reduces the usage quantity of peristaltic pump, reduction loss quantity, so as to reduce the maintenance cost of instrument.
Description
Technical field
The utility model belongs to water analysis outfit technical field, and in particular to a kind of Water quality ammonia nitrogen in-line analyzer.
Background technology
In the last few years, water environment pollution was increasingly valued by people.Ammonia-nitrogen content is reaction water quality condition in water
Important parameter, when carrying out the detection of ambient water quality ammonia nitrogen, it is more and more extensive that Water quality ammonia nitrogen in-line analyzer is used, liquid sample
The accuracy of amount is to determine one of very important link of Water quality ammonia nitrogen monitoring precision.The mode extensive utilization of wriggling pump-metered
Generally there is a plurality of sample channel in various Water Test Kits, Water quality ammonia nitrogen in-line analyzer, in the prior art each bar sample feeding pipe
Road will be connected with a peristaltic pump, but the flexible pipe of peristaltic pump during using due to make it that its is easy by extruding repeatedly
Aging is deformed, and causes metric results inaccurate, it is therefore desirable to regularly replace wriggling pump hose, this considerably increases the maintenance of instrument
Expense.In addition, being used as light by the optical fiber set by colorimetric cylinder and by colorimetric cylinder in general Water quality ammonia nitrogen in-line analyzer
Compose component, but in actual use, especially in the wild onsite application when, it is found that the result that optical fiber solutions are measured is inaccurate,
Trace it to its cause be optical fiber transport use during it is flexible so as to causing distortion.
The content of the invention
To solve the above problems, the utility model discloses a kind of improved Water quality ammonia nitrogen in-line analyzer, only with one
Platform peristaltic pump is connected by multiple electromagnetic liquid valves with a plurality of sample intake passage, and employs more structurally sound spectrum component.
In order to reach object above, the utility model provides following technical scheme：
A kind of Water quality ammonia nitrogen in-line analyzer, including peristaltic pump, sample introduction overall channel, some sample introduction subchannels, colorimetric cylinder, it is compacted
Dynamic pump is connected with sample introduction overall channel, and sample introduction overall channel connects each bar sample introduction subchannel respectively, and every sample introduction subchannel includes saturating
Bright gauge line, the two logical electromagnetic gas valves for being connected to diaphanometer buret upper end and the threeway electromagnetism for being connected to diaphanometer buret lower end
Liquid valve, sample introduction overall channel is connected with each two logical electromagnetic gas valves respectively, the threeway electromagnetic liquid valve in each sample introduction subchannel respectively with than
Colour tube is connected by another threeway electromagnetic liquid valve, and each diaphanometer buret upper end both sides and lower end both sides are equipped with a pair of photoelectricity and opened
Close, each optoelectronic switch is used for electromagnetic gas valve output signal, the peristaltic pump, each optoelectronic switch have with single-chip microcomputer to be electrically connected
Connect, single-chip microcomputer is used to control wriggling pump work, each optoelectronic switch is powered from single-chip microcomputer and to single-chip microcomputer output signal, the colorimetric
Pipe both sides are provided with photoelectric conversion component.
Further, the photoelectric conversion component side is provided with LED light emitting diodes, and opposite side is provided with silicon photoelectricity
Pond, is provided with one piece of convex lens and baffle plate, baffle plate between LED light emitting diodes and colorimetric cylinder and is provided with aperture, the convex lens
Mirror is arranged between LED light emitting diodes and baffle plate, and another piece of convex lens are provided between silicon photocell and colorimetric cylinder.
Further, the colorimetric cylinder and photoelectric conversion component are arranged in lighttight box body.
Further, the silicon photocell has with single-chip microcomputer and electrically connected.
Further, a pair of optoelectronic switches include being arranged on the light transmitting terminal of same diaphanometer buret side and are arranged on
The optical receiving end of bright gauge line opposite side.
Further, the sample introduction overall channel is wriggling pump hose.
Further, in addition to waste liquid barrel, the threeway electromagnetic liquid valve that the colorimetric cylinder is connected by its lower end connects described
Waste liquid barrel.
Further, it is additionally provided with cleaning device in colorimetric cylinder.
Compared with prior art, the utility model has the following advantages that and beneficial effect：
It is engaged using multiple electromagnetic gas valves with peristaltic pump, greatly reduces the usage quantity of peristaltic pump, reduction loss number
Amount, so as to reduce the maintenance cost of instrument.Photoelectric conversion component uses the convex lens ethod of remittance, and is fitted into using framework
Each component, overall solid firm, light path will not be deformed, and improve the accuracy of testing result.
Brief description of the drawings
The Water quality ammonia nitrogen in-line analyzer structural representation that Fig. 1 provides for the utility model.
Fig. 2 is the Water quality ammonia nitrogen in-line analyzer structural representation that box body is provided with outside colorimetric cylinder and photoelectric conversion component.
Fig. 3 is electrical equipment connection block diagram in Water quality ammonia nitrogen in-line analyzer.
Description of reference numerals：
A：Sample intake passage, A-1：Peristaltic pump, A-2：Two logical electromagnetic gas valves, A-3：Optoelectronic switch, A-31：Light transmitting terminal,
A-32：Optical receiving end, A-4：Diaphanometer buret, A-5：Threeway electromagnetic liquid valve；B：Colorimetric cylinder, B-1：Cleaning device, C：Photoelectricity turns
Change component, wherein C-1：LED light emitting diodes, C-2：Convex lens, C-3：Baffle plate, C-4：Silicon photocell, C-5：Fixed frame, C-6：
Box, D-1：Waste liquid barrel.
Embodiment
With reference to the accompanying drawings and detailed description, the utility model is further elucidated, it should be understood that following specific embodiment parties
Formula is merely to illustrate the utility model rather than limits scope of the present utility model.
As shown in figure 1, Water quality ammonia nitrogen in-line analyzer includes peristaltic pump A-1, sample introduction overall channel A, four sample introduction subchannels,
Peristaltic pump A-1 is connected with sample introduction overall channel, and overall channel connects each bar sample introduction subchannel, and every sample introduction subchannel includes the diaphanometer
Buret A-4, two logical electromagnetic gas valve A-2 and threeway electromagnetic liquid valve A-5, wherein diaphanometer buret A-4 upper and lower ends are respectively provided with out
Mouthful, two logical electromagnetic gas valve A-2 are connected to diaphanometer buret A-4 upper ends, and electromagnetic gas valve is opened by pipeline with diaphanometer buret upper end
Mouth connection, threeway electromagnetic liquid valve A-5 is connected to diaphanometer buret A-4 lower ends, and threeway electromagnetic liquid valve A-5 passes through pipeline and the diaphanometer
Buret lower ending opening is connected.Sample introduction overall channel is connected with each sample introduction subchannel two logical electromagnetic gas valve A-2 respectively, and each sample introduction point is logical
Threeway electromagnetic liquid valve A-5 in road is connected with colorimetric cylinder B by pipeline and another threeway electromagnetic liquid valve A-5 respectively.In this example, enter
Sample overall channel 2 is wriggling pump hose, and four sample introduction subchannels are respectively used into water sample, pure water, ammonia nitrogen reaction solutionWith ammonia nitrogen reaction
Liquid.Two couples of highly different optoelectronic switch A-3 are provided with each diaphanometer buret A-4 both sides, a pair of optoelectronic switches are set
Close to bright gauge line A-4 upper end positions, another pair optoelectronic switch is positioned close to bright gauge line A-4 lower end positions.Each pair light
Electric switch A-3 includes being arranged on the light transmitting terminal A-31 of same diaphanometer buret side and to be arranged on diaphanometer buret A-4 another
The optical receiving end A-32 of side.Optoelectronic switch in each sample intake passage has with this passage two logical electromagnetic gas valves to be electrically connected, and is used for
The signal for triggering its work is exported to electromagnetic gas valve.In addition, peristaltic pump, each optoelectronic switch all should be connected with single-chip microcomputer（Such as Fig. 3 institutes
Show）, single-chip microcomputer is used to control wriggling pump work, and each optoelectronic switch is powered from single-chip microcomputer and to single-chip microcomputer output signal.Certainly, light
Electric switch only can also be connected with single-chip microcomputer, transmit trigger signal to two three-way electromagnetic valves by single-chip microcomputer, each electromagnetic liquid valve also should
It is connected with single-chip microcomputer, its work can be controlled by single-chip microcomputer.
Colorimetric cylinder B both sides are provided with photoelectric conversion component C, photoelectric conversion component C include LED light emitting diodes C-1, two pieces
Convex lens, narrow meshed baffle plate C-3 and silicon photocell C-4, these components should be arranged in fixed frame C-5, framework and colorimetric
Pipe is interfixed, and solid firm, light path will not be deformed.Specifically, LED light emitting diodes C-1 wavelength is 700 nm, if
Put in colorimetric cylinder B sides, it is provided with to formation irradiation light in the middle part of colorimetric cylinder between LED light emitting diodes C-1 and colorimetric cylinder B
One piece of convex lens C-2, convex lens C-2 effect are so that the light optically focused for the 700 nm wavelength that light source is sent, prevents scattering.Convex lens
Narrow meshed baffle plate C-3 is additionally provided between mirror C-2 and colorimetric cylinder B, can prevent veiling glare from passing through to be interfered to experiment.
The light that LED light emitting diodes C-1 is sent after convex lens are converged by the aperture in baffle plate, transmitted through colorimetric cylinder after be pointed into ratio
Colour tube opposite side.Silicon photocell C-4 is arranged on colorimetric cylinder B opposite sides, be provided between silicon photocell and colorimetric cylinder B another piece it is convex
Lens C-2, convex lens C-2, which are used to converge, to be launched from colorimetric cylinder B sides and by colorimetric cylinder B light, and silicon photocell is located at
In convex lens C-2 convergence light path, silicon photocell is connected with single-chip microcomputer, is used so as to gather the voltage signal on silicon photocell
In the calculating for carrying out ammonia nitrogen concentration in water quality.
As an improvement, as shown in Fig. 2 colorimetric cylinder B and photoelectric conversion component C are preferably disposed in black plastic box（Box body also may be used
It is made from other colors or material, it is necessary to meet light tight requirement）In, the interference of ambient light can be so avoided, makes detection
As a result it is more accurate.
In addition, threeway electromagnetic liquid valve A-5 and pipeline that colorimetric cylinder B is also connected by its lower end are connected with waste liquid barrel D-1, use
In the recovery for carrying out waste liquid.
Cleaning device B -1 may further be provided in colorimetric cylinder B, colorimetric cylinder, cleaning device are cleaned by the way of spray
Small spray head can be used, and is connected with water inlet pipe.
Utility model works principle is as follows：
When starting working, four two logical electromagnetic gas valve A-2 are opened, and peristaltic pump A-1 rotates forward to form negative pressure so that four
Plant liquid to be drawn onto respectively in each self-corresponding transparent meter pipe A-4, when liquid flows to gauge line upper end optoelectronic switch A-3 position
The voltage change at optoelectronic switch two ends can be caused when putting.Optoelectronic switch leads to electromagnetic gas valve A-2 output signals to two in this passage,
So that corresponding two logical electromagnetic gas valve A-2 passages are closed, and when to the last a liquid is drawn onto the volume of needs, two energization magnetisms
All passage Close Alls of valve A-2, at this moment peristaltic pump A-1 also stop operating（Simple programming realization can be carried out by single-chip microcomputer, when
Receive controls peristaltic pump to stop operating after four photoelectric switching signals）.Next, single-chip microcomputer control peristaltic pump is rotated backward,
Four two logical electromagnetic gas valve A-2 are opened, when liquid flows to the position of respective diaphanometer buret lower end optoelectronic switch, optoelectronic switch two
The voltage at end changes again.Now, corresponding two logical electromagnetic gas valve A-2 passages are closed, and to the last a liquid is discharged to
During the volume needed, two lead to all passage Close Alls of electromagnetic gas valve A-2, and at this moment peristaltic pump A-1 stops operating.Due to being four
Passage works simultaneously, substantially increases sample introduction speed, so as to shorten the time of detection, and does not interfere with each other each.
The present invention is using the content of salicylic acid water by Spectrophotometry matter ammonia nitrogen, ammonia nitrogen reaction solutionFor sodium hypochlorite and
The mixed solution of sodium hydroxide；Ammonia nitrogen reaction solutionFor levotartaric acid, salicylic acid, sodium hydroxide and sodium nitroprusside four
The mixed solution of person.Here, levotartaric acid is as screening agent, sodium nitroprusside determines ammonia nitrogen as catalyst, the method
Wavelength be 700 nm, the minimum detectability of ammonia nitrogen is 0.007 mg/L.
Technological means disclosed in the utility model scheme is not limited only to the technological means disclosed in above-mentioned embodiment, also
Including being combined constituted technical scheme by above technical characteristic.It should be pointed out that for the ordinary skill of the art
For personnel, on the premise of the utility model principle is not departed from, some improvements and modifications can also be made, these improve and moistened
Decorations are also considered as protection domain of the present utility model.
Claims (8)
1. a kind of Water quality ammonia nitrogen in-line analyzer, it is characterised in that：Including peristaltic pump, sample introduction overall channel, some sample introduction subchannels,
Colorimetric cylinder, peristaltic pump is connected with sample introduction overall channel, and sample introduction overall channel connects each bar sample introduction subchannel, every sample introduction subchannel respectively
Include diaphanometer buret, be connected to two logical electromagnetic gas valves of diaphanometer buret upper end and be connected to diaphanometer buret lower end
Threeway electromagnetic liquid valve, sample introduction overall channel is connected with each two logical electromagnetic gas valves respectively, the threeway electromagnetic liquid valve in each sample introduction subchannel
It is connected respectively with colorimetric cylinder by another threeway electromagnetic liquid valve, each diaphanometer buret upper end both sides and lower end both sides are equipped with a pair
Optoelectronic switch, each optoelectronic switch is used for electromagnetic gas valve output signal, and the peristaltic pump, each optoelectronic switch have with single-chip microcomputer
Electrical connection, single-chip microcomputer is used to control wriggling pump work, and each optoelectronic switch is powered from single-chip microcomputer and to single-chip microcomputer output signal, described
Colorimetric cylinder both sides are provided with photoelectric conversion component.
2. Water quality ammonia nitrogen in-line analyzer according to claim 1, it is characterised in that：The photoelectric conversion component side is set
Be equipped with LED light emitting diodes, opposite side is provided with silicon photocell, be provided between LED light emitting diodes and colorimetric cylinder one piece it is convex
Aperture is provided with lens and baffle plate, baffle plate, the convex lens are arranged between LED light emitting diodes and baffle plate, silicon photocell
Another piece of convex lens are provided between colorimetric cylinder.
3. Water quality ammonia nitrogen in-line analyzer according to claim 2, it is characterised in that：The colorimetric cylinder and opto-electronic conversion group
Part is arranged in lighttight box body.
4. Water quality ammonia nitrogen in-line analyzer according to claim 2, it is characterised in that：The silicon photocell and monolithic equipment
There is electrical connection.
5. Water quality ammonia nitrogen in-line analyzer according to claim 1, it is characterised in that：The pair of optoelectronic switch includes setting
Put the light transmitting terminal and the optical receiving end for being arranged on diaphanometer buret opposite side in same diaphanometer buret side.
6. Water quality ammonia nitrogen in-line analyzer according to claim 1, it is characterised in that：The sample introduction overall channel is peristaltic pump
Flexible pipe.
7. Water quality ammonia nitrogen in-line analyzer according to claim 1, it is characterised in that：Also include waste liquid barrel, the colorimetric
Manage the threeway electromagnetic liquid valve connected by its lower end and connect the waste liquid barrel.
8. Water quality ammonia nitrogen in-line analyzer according to claim 1, it is characterised in that：Cleaning dress is additionally provided with colorimetric cylinder
Put.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014003.XU CN206348266U (en) | 2017-01-06 | 2017-01-06 | A kind of Water quality ammonia nitrogen in-line analyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720014003.XU CN206348266U (en) | 2017-01-06 | 2017-01-06 | A kind of Water quality ammonia nitrogen in-line analyzer |
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| Publication Number | Publication Date |
|---|---|
| CN206348266U true CN206348266U (en) | 2017-07-21 |
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ID=59324304
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| Application Number | Title | Priority Date | Filing Date |
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| CN201720014003.XU Active CN206348266U (en) | 2017-01-06 | 2017-01-06 | A kind of Water quality ammonia nitrogen in-line analyzer |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168950A (en) * | 2018-01-12 | 2018-06-15 | 杭州启绿科技有限公司 | Sample liquid definite value sampling apparatus based on magnetic conductance sensing |
| CN108444562A (en) * | 2018-06-21 | 2018-08-24 | 水利部南京水利水文自动化研究所 | A kind of liquid-volume measurement apparatus |
| CN108827874A (en) * | 2018-07-10 | 2018-11-16 | 连云港取道石英制品有限公司 | Ammonia nitrogen in-line analyzer quartz cuvette pond |
-
2017
- 2017-01-06 CN CN201720014003.XU patent/CN206348266U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108168950A (en) * | 2018-01-12 | 2018-06-15 | 杭州启绿科技有限公司 | Sample liquid definite value sampling apparatus based on magnetic conductance sensing |
| CN108444562A (en) * | 2018-06-21 | 2018-08-24 | 水利部南京水利水文自动化研究所 | A kind of liquid-volume measurement apparatus |
| CN108444562B (en) * | 2018-06-21 | 2023-12-05 | 水利部南京水利水文自动化研究所 | Liquid volume metering device |
| CN108827874A (en) * | 2018-07-10 | 2018-11-16 | 连云港取道石英制品有限公司 | Ammonia nitrogen in-line analyzer quartz cuvette pond |
| CN108827874B (en) * | 2018-07-10 | 2020-12-08 | 连云港取道石英制品有限公司 | Quartz colorimetric pool of ammonia nitrogen on-line analyzer |
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