CN207528626U - A kind of real-time nitrate monitoring sensor of water quality - Google Patents
A kind of real-time nitrate monitoring sensor of water quality Download PDFInfo
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- CN207528626U CN207528626U CN201721747957.8U CN201721747957U CN207528626U CN 207528626 U CN207528626 U CN 207528626U CN 201721747957 U CN201721747957 U CN 201721747957U CN 207528626 U CN207528626 U CN 207528626U
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- deuterium lamp
- ultraviolet
- master board
- window
- power
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Abstract
The utility model is related to ocean monitor instrument apparatus fields.The utility model discloses a kind of real-time nitrate monitoring sensors of water quality,Including housing and the deuterium lamp component being arranged in housing,220nm ultraviolet band pass filters,Purple quick silicon photocell,Power panel and master board,Power panel is respectively master control borad and deuterium lamp assembly power supply,Control signal of the control output end of master board respectively with power panel and deuterium lamp component is connect,Housing is equipped with sample detection window,The opposite sides of sample detection window is respectively equipped with ultraviolet light emission window and ultraviolet light receives window,The ultraviolet parallel rays that deuterium lamp component generates is incident to sample detection window by ultraviolet light emission window,Ultraviolet directional light across sample receives window entrance by ultraviolet light,Purple quick silicon photocell is irradiated to after being filtered by 220nm ultraviolet band pass filters,Purple quick silicon photocell generates photoelectric current and spreads out of to master board,Master board carries out corresponding signal the nitrate concentration that sample is calculated in processing.
Description
Technical field
The utility model belongs to ocean monitor instrument apparatus field, is passed more particularly to a kind of real-time nitrate monitoring of water quality
Sensor.
Background technology
At present, the measuring method of nutrients in sea water mainly has：Photometry, ultraviolet absorption spectroscopy and wet chemistry method.Point
Light photometry is manually to seawater sampling, and manual operation sampling, quantitative, reagent chemically react and spectrophotometer utilized to carry out
It measures, and is converted into corresponding nutrient concentration (converting automatically on instrument).This kind of method is applicable not only to fresh water, is also suitable
In seawater.It is the analysis test method of current relatively mainstream, but this method needs to sample and carry out corresponding manual operation, and institute
Some experimental implementations, record are completed in laboratory, are not suitable for long-term live unattended surveillance.
Wet chemistry method is measured by site environment serious interference, it is maximum the problem of be data stability and accuracy not
Foot, needs long-term on-the-spot test to compare, and can only carry out trend anticipation to the LONG-TERM DISTRIBUTION of the nutrient concentration of monitoring point；Secondly
Reagent addition is frequently (the usual period is replaced to carry out primary live reagent 1-2 week)；It is answered for sea is unattended for a long time
For, thus maintenance cost is caused to become very expensive with frequent operation on the sea.In addition, chemical reaction product is discharged into sea
Ocean, there is marine pollution risks.
The principle of ultraviolet absorption spectroscopy quantitative determines nitrate using absorption of the nitrate ion at 220nm wavelength
Concentration.
Invention content
The purpose of this utility model is to provide a kind of real-time nitrate monitoring sensors of water quality to solve the above problems.
To achieve the above object, the technical solution adopted in the utility model is：A kind of real-time nitrate monitoring sensing of water quality
Device, including housing, deuterium lamp component, 220nm ultraviolet band pass filters, purple quick silicon photocell, power panel and master board, the deuterium
Lamp group part, 220nm ultraviolet band pass filters, purple quick silicon photocell, power panel and master board are arranged in housing, the electricity
Source plate is respectively master control borad and deuterium lamp assembly power supply, the control output end of the master board respectively with power panel and deuterium lamp component
Control signal connection, the housing is equipped with sample detection window, and the opposite sides of the sample detection window sets respectively
There are ultraviolet light emission window and ultraviolet light to receive window, the ultraviolet parallel rays that the deuterium lamp component generates passes through ultraviolet light emission
Window is incident to sample detection window, and the ultraviolet directional light across sample receives window entrance by ultraviolet light, ultraviolet by 220nm
Purple quick silicon photocell is irradiated to after bandpass filter filtering, purple quick silicon photocell generates photoelectric current and is transferred to master board, institute
It states master board and the nitrate concentration that sample is calculated in processing is carried out to corresponding signal.
Further, a diameter of 3mm for the ultraviolet parallel rays that the deuterium lamp component generates.
Further, the deuterium lamp component includes deuterium lamp driving power plate, deuterium lamp and collector lens, deuterium lamp driving power
Plate generates the high frequency electric source driving deuterium lamp of 1000V25KHz, and the ultraviolet light that deuterium lamp generates focuses on to form ultraviolet put down by collector lens
Row light.
Further, the power panel includes 5V power circuits and 12V power circuits, and the 5V power circuits are main control
Plate is powered, and the 12V power circuits are deuterium lamp assembly power supply.
Further, the housing is in substantially cylindrical-shaped structure.
Further, the housing includes upper body, central enclosure and lower case, upper body and lower case
It is fixed in central enclosure by sealing ring respectively, the quick silicon photocell of the purple, power panel and master board are arranged on upper case
In vivo, the deuterium lamp component is arranged in lower case, and the central enclosure is equipped with a depressed area, forms sample detection window
Mouthful.
Further, the quick silicon photocell of the purple, power panel and master board are fixed at top by upper bracket
In housing, the deuterium lamp component is arranged on by lower carriage in lower case.
Further, the communication port with water-proof function is further included, the communication port with water-proof function is arranged on
The top of portion's housing, the communication port with water-proof function are equipped with power port and USB port, and the power panel passes through power supply
Port connects external power supply, and the master board is communicated to connect by USB port and outer computer.
Further, the ultraviolet light emission window and ultraviolet light, which receive window, has quartz material to be made.
The advantageous effects of the utility model：
The utility model be used directly for nitrate ion content in water quality (seawater, surface water, underground water etc.)
Line detection significantly decreases live operation maintenance expense, avoids to ring without providing additional reagent and ancillary equipment tool
Border pollutes；And detection limit higher, resolution ratio higher, data are more stable.
The sample detection window and instrument of the utility model in itself be placed in water in, can to distribution layer nitrate anion each in water from
Son is detected, and achievees the purpose that convenient, efficient, long-term on-line checking.
The utility model can be integrated on buoy, be suspended in instrument well, and long-term observation uses.
Description of the drawings
Fig. 1 is the structure diagram of the utility model specific embodiment；
Fig. 2 is another viewing angle constructions schematic diagram of the utility model specific embodiment；
Fig. 3 is the part-structure schematic diagram of the utility model specific embodiment；
Fig. 4 is the sectional view of the utility model specific embodiment.
Specific embodiment
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
As shown in Figs 1-4, the real-time nitrate monitoring sensor of a kind of water quality, it is ultraviolet including housing, deuterium lamp component 5,220nm
Bandpass filter (not shown), purple quick silicon photocell (not shown), power panel 3 and master board 4, this specific implementation
In example, housing is in generally cylindrical body structure, and certainly, in other embodiments, the shape of housing can carry out according to actual needs
Selection, such as cuboid, multi-panel prism, this is that those skilled in the art can realize easily, is no longer described in detail.
In this specific embodiment, housing includes upper body 11, central enclosure 12 and lower case 13,11 He of upper body
Lower case 13 is fixed on by sealing ring 81 and 82 in central enclosure 12 respectively, it is preferred that upper body 11 and lower case
13 are spirally connected fixation with central enclosure 12 respectively, easy to disassemble.Certainly, in other embodiments, upper body 11 and lower case
13 can also be fixed by other fixed forms such as clampings with central enclosure 12, this is that those skilled in the art can be easily
It realizes, no longer describes in detail.
In this specific embodiment, the top sealing of upper body 11 is bolted with an end cap, is easily installed and safeguards use.
The quick silicon photocell of the purple, power panel 3 and master board 4 are arranged in upper body 11, in this specific embodiment,
Quick silicon photocell, power panel 3 and master board 4 are fixed at by upper bracket 61 in upper body 11 so that easy for assembly.
The deuterium lamp component 5 is arranged in lower case 13, and in this specific embodiment, deuterium lamp component 5 passes through lower carriage 62
It is fixed in lower case 13 so that easy for assembly.
The central enclosure 12 is equipped with a depressed area 2, forms sample detection window, and the sample detection window 2 includes
Bottom and the upper side positioned at bottom upper and lower ends and downside, the upper side and downside are respectively equipped with ultraviolet light-receiving
Window 21 and ultraviolet light emission window 22.In this specific embodiment, ultraviolet light emission window 22 and ultraviolet light reception window 21 are excellent
Be selected as face setting, ultraviolet light emission window 22 and ultraviolet light receive window 21 and are made of quartz material, correspondingly, upper side and
Downside is respectively equipped with 211 and second through-hole 221 of first through hole, and the ultraviolet light receives window 21 and ultraviolet light emission window 22
It is sealingly mounted at respectively in 211 and second through-hole 221 of first through hole.
The power panel 3 is respectively that master control borad 4 and deuterium lamp component 5 are powered, and in this specific embodiment, the power panel 3 wraps
5V power circuits and 12V power circuits are included, the 5V power circuits are powered for master board 4, and the 12V power circuits are deuterium lamp
Component 5 is powered.
Control signal of the control output end of the master board 4 respectively with power panel 3 and deuterium lamp component 5 is connect, this
In specific embodiment, the deuterium lamp component 5 includes deuterium lamp driving power plate, deuterium lamp and collector lens, and master board 4 controls power supply
The 12V power circuits of plate 3 generate deuterium lamp driving power plate of the 12V power supplys to deuterium lamp component 5, then start deuterium lamp driving power plate
Generate 1000V25KHz high frequency electric source driving deuterium lamp, deuterium lamp generate ultraviolet light focused on by collector lens to be formed it is ultraviolet parallel
Light, ultraviolet parallel rays are incident to sample detection window 2 by ultraviolet light emission window 22, and the ultraviolet directional light across sample leads to
It crosses ultraviolet light reception window 21 to enter, purple quick silicon photocell, purple quick silicon light is irradiated to after being filtered by 220nm ultraviolet band pass filters
Battery generates photoelectric current and is transferred to master board 4, and the master board 4 carries out the corresponding signal received processing and calculates
To the nitrate concentration of sample.
In this specific embodiment, the diameter for the ultraviolet parallel rays that the deuterium lamp component 5 generates is preferably 3mm.Certainly, exist
In other embodiments, the diameter for the ultraviolet parallel rays that deuterium lamp component 5 generates can also be greater than 3mm or less than 3mm, specifically may be used
To be selected according to actual needs, this is that those skilled in the art can realize easily, is no longer described in detail.
Further, the communication port 7 with water-proof function is further included, the sealing of communication port 7 with water-proof function is set
It puts on the end cap 111 of upper body 11, the communication port 7 with water-proof function is equipped with power port and USB port, described
Power panel 3 connects external power supply, such as supplying cell by power port, and the master board 4 passes through USB port and outer computer
Communication connection.
The course of work：Externally fed battery (12~24V) is powered by the communication port 7 with water-proof function to power panel 3,
Power panel 3 generates 5V voltages and powers to master board 4, and the microcontroller of master board 4 is set according to program generates seasonal power
Plate 3 controls signal and deuterium lamp driving power plate enabling signal, and controlig power board 3 generates 12V power supplys and gives deuterium lamp driving power plate, so
Start the high frequency electric source driving deuterium lamp that deuterium lamp driving power plate generates 1000V25KHz afterwards, the ultraviolet light that deuterium lamp generates passes through optically focused
Lens focus forms ultraviolet directional light, and ultraviolet directional light enters sample detection window 2 by sample by ultraviolet light emission window 22
It partially absorbs, the ultraviolet directional light across sample is filtered by receiving ultraviolet light reception window 21 by 220nm ultraviolet band pass filters
Fall the light energy other than 220nm, 220nm ultraviolet lightings are mapped to purple quick silicon photocell and generate photoelectric current, acquired by master board 4
Respective handling calculating is carried out to it afterwards, obtains sample nitrate concentration.
Computer can set program to control acquisition parameter by the usb signal line of the communication port 7 with water-proof function, and can
Measurement data of reading back carries out preservation display processing.
The utility model be used directly for nitrate ion content in water quality (seawater, surface water, underground water etc.)
Line detection significantly decreases live operation maintenance expense, avoids to ring without providing additional reagent and ancillary equipment tool
Border pollutes；And detection limit higher, resolution ratio higher, data are more stable.
The sample detection window and instrument of the utility model in itself be placed in water in, can to distribution layer nitrate anion each in water from
Son is detected, and achievees the purpose that convenient, efficient, long-term on-line checking.
The utility model can be integrated on buoy, be suspended in instrument well, and long-term observation uses.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, in the spirit and scope for not departing from the utility model that the appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (9)
1. a kind of real-time nitrate monitoring sensor of water quality, it is characterised in that：Including housing, deuterium lamp component, the ultraviolet band logicals of 220nm
Optical filter, purple quick silicon photocell, power panel and master board, the deuterium lamp component, 220nm ultraviolet band pass filters, purple quick silicon
Photocell, power panel and master board are arranged in housing, and the power panel is respectively master control borad and deuterium lamp assembly power supply, institute
It states control signal of the control output end of master board respectively with power panel and deuterium lamp component to connect, the housing is equipped with sample
Product detection window, the opposite sides of the sample detection window is respectively equipped with ultraviolet light emission window and ultraviolet light receives window,
The ultraviolet parallel rays that the deuterium lamp component generates is incident to sample detection window by ultraviolet light emission window, across sample
Ultraviolet directional light receives window by ultraviolet light and enters, and purple quick silicon photoelectricity is irradiated to after being filtered by 220nm ultraviolet band pass filters
Pond, purple quick silicon photocell generate photoelectric current and are transferred to master board, and the master board carries out processing meter to corresponding signal
Calculation obtains the nitrate concentration of sample.
2. the real-time nitrate monitoring sensor of water quality according to claim 1, it is characterised in that：The deuterium lamp component generates
Ultraviolet parallel rays a diameter of 3mm.
3. the real-time nitrate monitoring sensor of water quality according to claim 1 or 2, it is characterised in that：The deuterium lamp component
Including deuterium lamp driving power plate, deuterium lamp and collector lens, deuterium lamp driving power plate generates the high frequency electric source driving of 1000V25KHz
Deuterium lamp, the ultraviolet light that deuterium lamp generates focus on to form ultraviolet directional light by collector lens.
4. the real-time nitrate monitoring sensor of water quality according to claim 1, it is characterised in that：The power panel includes 5V
Power circuit and 12V power circuits, the 5V power circuits are powered for master board, and the 12V power circuits are deuterium lamp component
Power supply.
5. the real-time nitrate monitoring sensor of water quality according to claim 1, it is characterised in that：The housing is in substantially round
Column structure.
6. the real-time nitrate monitoring sensor of water quality according to claim 5, it is characterised in that：The housing includes top
Housing, central enclosure and lower case, upper body and lower case are fixed on by sealing ring in central enclosure respectively, described
Purple quick silicon photocell, power panel and master board are arranged in upper body, and the deuterium lamp component is arranged in lower case, institute
Central enclosure is stated equipped with a depressed area, forms sample detection window.
7. the real-time nitrate monitoring sensor of water quality according to claim 6, it is characterised in that：The quick silicon photoelectricity of purple
Pond, power panel and master board are fixed at by upper bracket in upper body, and the deuterium lamp component is set by lower carriage
In lower case.
8. the real-time nitrate monitoring sensor of water quality according to claim 6, it is characterised in that：Further include band water-proof function
Communication port, the communication port with water-proof function is arranged on the top of upper body, the communication with water-proof function
Port is equipped with power port and USB port, and the power panel connects external power supply by power port, and the master board passes through
USB port is communicated to connect with outer computer.
9. the real-time nitrate monitoring sensor of water quality according to claim 1, it is characterised in that：The ultraviolet light emission window
Mouth and ultraviolet light, which receive window, has quartz material to be made.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747957.8U CN207528626U (en) | 2017-12-14 | 2017-12-14 | A kind of real-time nitrate monitoring sensor of water quality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721747957.8U CN207528626U (en) | 2017-12-14 | 2017-12-14 | A kind of real-time nitrate monitoring sensor of water quality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207528626U true CN207528626U (en) | 2018-06-22 |
Family
ID=62578453
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721747957.8U Active CN207528626U (en) | 2017-12-14 | 2017-12-14 | A kind of real-time nitrate monitoring sensor of water quality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207528626U (en) |
-
2017
- 2017-12-14 CN CN201721747957.8U patent/CN207528626U/en active Active
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