CN205898684U - Self -cleaning is fluorescence monitor under water - Google Patents
Self -cleaning is fluorescence monitor under water Download PDFInfo
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- CN205898684U CN205898684U CN201620832235.1U CN201620832235U CN205898684U CN 205898684 U CN205898684 U CN 205898684U CN 201620832235 U CN201620832235 U CN 201620832235U CN 205898684 U CN205898684 U CN 205898684U
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Abstract
The utility model discloses a self -cleaning is fluorescence monitor under water, the monitor includes a shell, to the external tapping, shell and external interface connection, the shell is cylindrical, is provided with two cavities in its one, lean on and be provided with the detection circuitry board in the cavity to the external tapping orientation, the another party to the cavity in, be provided with the washing motor, wash the motor and pass through hub connection cleaning brush, cleaning brush arranges the outside of shell in, wasing the clearance department between motor and the inside wall of outer shell, being provided with fluorescence detection device under water, the fluorescence detection device includes light emitting device, light receiving device under water, the detection circuitry board is connected respectively and is washd motor, fluorescence detection device under water, the utility model discloses fluorescence intensity is measured and chlorophyll in the water, bluish -green algae, aquatic wet goods concentration can be calculated. Rinse the motor and drive cleaning brush, but regularly cleaned measures the terminal surface, avoid in the water impurity attached to on measuring the terminal surface.
Description
Technical field
This utility model is related to monitoring instrument, particularly relates to fluorescence monitoring instrument under a kind of self-cleaning water.
Background technology
Due to the activity of people, it is contained within chlorophyll, blue-green alge, the material such as oil in water in a lot of waters, especially in river
The water in-vivo content such as flow section, lake and reservoir, inshore is more, it is possible to there is algae in the case of not making any process
Outburst, has a strong impact on aquatic ecosystem, accordingly, it would be desirable to a kind of can solve above-mentioned asking to the instrument that water body is monitored
Topic.
Utility model content
For deficiency of the prior art, the technical problems to be solved in the utility model there are provided a kind of self-cleaning water
Lower fluorescence monitoring instrument.
For solving above-mentioned technical problem, this utility model is realized by below scheme: fluorescence prison under a kind of self-cleaning water
Survey instrument, described monitor includes a shell, external interface, and described shell is connected with external interface, described shell is cylinder,
Its portion is provided with two chambers, and the within the chamber being close to external interface direction is provided with testing circuit plate, the within the chamber of other direction,
It is provided with cleaning motor, described cleaning motor connects cleaning brush by axle, described cleaning brush is placed in the outside of shell, described cleaning
Gap location between motor and housing interior side-wall, is provided with fluorescence detection device under water, this under water fluorescence detection device include light
Discharger, optical pickup apparatus, described testing circuit plate connects cleaning motor, under water fluorescence detection device respectively；
Described light emitting devices include light source, transmitting optical filter, launching fiber；
Described optical pickup apparatus include photoelectric detector, receive optical filter, reception optical fiber；
Described launching fiber, reception optical fiber are respectively placed in the upper side and lower side of cleaning motor, the inner of described launching fiber
Portion connects transmitting optical filter, and described transmitting optical filter other end is connected with light source, and launching fiber, transmitting optical filter, light source exist
On same straight line；The inner end of described reception optical fiber connects reception optical filter, and the other end of described reception optical filter connects light
Photodetector.
Further, described light source is the light source of 2.4khz frequency.
Further, described external interface is 5 core cable core interfaces, and the heart yearn in this 5 core cable core interface is electricity respectively
Source positive pole heart yearn, power cathode heart yearn, ground connection heart yearn, rs485a heart yearn and rs485 heart yearn.
Further, described shell is corrosion resistant type shell.
Further, described launching fiber is pmma plastic optical fiber, and its aperture is between 0.45～0.55mm.
Further, described reception optical fiber is pmma plastic optical fiber, and its aperture is between 0.45～0.55mm.
Further, described cleaning motor is DC speed-reducing, and its speed reducing ratio is more than 200:1.
Further, described cleaning brush is corrosion resistant type cleaning brush, and it is in close contact with the measurement end face of monitor.
With respect to prior art, the beneficial effects of the utility model are: this utility model belongs to environmental monitoring, can survey
The index such as oil in amount water Determination of Chlorophyll, blue-green alge, water.Measurement chlorophyll, blue-green alge index can be used for cross section of river, Lake Water
The on-line monitorings such as storehouse, inshore, can monitor phytoplankton, algal grown, body eutrophication；Early warning alga eruption；Research water
Domain ecosystem.In measurement water, oil index can be applicable to sewage disposal, discharge of wastewater, process control, petrochemical industry, harbour sea
Fortune, oils leakage monitoring etc..This utility model monitor is using fluorescence method measuring principle, and this principle is: using certain wavelength
Excitation light irradiation test substance so as to be energized into upper state, returned to by upper state and can launch more than excitation wavelength during ground state
Fluorescence, the fluorescence intensity exciting is related to test substance concentration.Transmitting light source is carried out with the modulation of certain frequency, in conjunction with faint
Signal coherence detection technique, to improve measurement sensitivity and interference free performance.Select different excitation wavelengths and wavelength of fluorescence, can
To measure the different factors, as oil etc. in chlorophyll, blue-green alge, rhodamine, water.This utility model measurement fluorescence intensity can calculate
Oily isoconcentration in water body Determination of Chlorophyll, blue-green alge, water.Testing circuit enters horizontal lock to the certain frequency fluorescence receiving and amplifies, can
With enhancing signal capacity of resisting disturbance.Cleaning motor drives cleaning brush, can measure end face by routine cleaning, it is to avoid impurity attachment in water body
On measurement end face, interference is produced to measurement.Measurement end face adopts mirror finish technology, can avoid underwater bubble absorption in measurement
On end face.
Brief description
Fig. 1 is this utility model monitor structural representation.
Fig. 2 is this utility model monitor measuring principle figure.
Labelling in accompanying drawing: external interface 1, shell 2, testing circuit plate 3, light source 4, transmitting optical filter 5, photoelectric detector 6,
Receive optical filter 7, launching fiber 8, cleaning motor 9, reception optical fiber 10, cleaning brush 11.
Specific embodiment
Below in conjunction with the accompanying drawings preferred embodiment of the present utility model is described in detail, so that advantage of the present utility model
Can be easier to be readily appreciated by one skilled in the art with feature, thus make apparent clear and definite to protection domain of the present utility model
Define.
Refer to accompanying drawing 1, fluorescence monitoring instrument under a kind of self-cleaning water of the present utility model, described monitor includes a shell
2nd, external interface 1, described shell 2 is connected with external interface 1, and described shell 2 is cylinder, and its portion is provided with two chambers,
The within the chamber being close to external interface 1 direction is provided with testing circuit plate 3, the within the chamber of other direction, is provided with cleaning motor 9,
Described cleaning motor 9 connects cleaning brush 11 by axle, and described cleaning brush 11 is placed in the outside of shell 2, and described cleaning motor 9 is with outward
Gap location between shell 2 medial wall, is provided with fluorescence detection device under water, this under water fluorescence detection device include light transmitting dress
Put, optical pickup apparatus, described testing circuit plate 3 respectively connect cleaning motor 9, under water fluorescence detection device；Described light transmitting dress
Put including light source 4, transmitting optical filter 5, launching fiber 8；Described optical pickup apparatus include photoelectric detector 6, receive optical filter 7,
Reception optical fiber 10；Described launching fiber 8, reception optical fiber 10 are respectively placed in the upper side and lower side of cleaning motor 9, described launching fiber
8 inner end connects transmitting optical filter 5, and described transmitting optical filter 5 other end is connected with light source 4, launching fiber 8, transmitting filter
Mating plate 5, light source 4 are on the same line；The inner end of described reception optical fiber 10 connects reception optical filter 7, described reception optical filter 7
Other end connect photoelectric detector 6.
Each part preferred version of the present utility model is as follows:
Described light source 4 is the light source of 2.4khz frequency.
Described external interface 1 is 5 core cable core interfaces, and the heart yearn in this 5 core cable core interface is positive source core respectively
Line, power cathode heart yearn, ground connection heart yearn, rs485a heart yearn and rs485 heart yearn.
Described shell 2 is corrosion resistant type shell.
Described launching fiber 8 is pmma plastic optical fiber, and its aperture is between 0.45～0.55mm.
Described reception optical fiber 10 is pmma plastic optical fiber, and its aperture is between 0.45～0.55mm.
Described cleaning motor 9 is DC speed-reducing, and its speed reducing ratio is more than 200:1.
Described cleaning brush 11 is corrosion resistant type cleaning brush, and it is in close contact with the measurement end face of monitor.
As shown in Fig. 2 light source 4 sends the light beam of 2.4khz frequency, emitted optical fiber 8 is irradiated to water body to be measured, in water body
Algae or oily substance raying can produce fluorescence, in the fluorescence with incident illumination direction in 90 °, pass through another reception optical fiber 10
It is directed at photoelectric detector 6, measurement fluorescence intensity can calculate water body Determination of Chlorophyll, blue-green alge, oily isoconcentration in water.Testing circuit plate
Processing module on 3 is entered horizontal lock to the certain frequency fluorescence receiving and is amplified, can be with enhancing signal capacity of resisting disturbance.
This utility model also has the advantage that
1) different optical filters need to, only be changed with light source it is possible to measure the different factors, chlorophyll, rhodamine, fluorescence
Oil, cdom etc. in element, phycocyanin and phycoerythrin, water；
2), there is self-cleaning function, can fixed time cleaning or remotely control cleaning.Remove the attachment on measurement end face, from
And improve measurement stability；
3), digital modulation filtering technique, improves signal to noise ratio, strengthens capacity of resisting disturbance, increases measurement stability；
5), measure end face mirror finish technology, bubble absorption can be avoided on measurement end face；
6), product integrally has sealing, can directly work under water, and anti-water depth reaches more than 10 meters.
Described light source 4 can be changed according to measurement factor difference, and half wide scope is 20-50nm, radiant power > 3mw, turn off
Frequency > 10mhz.When measurement chlorophyll, rhodamine, fluorescein, centre wavelength is 460 ± 20nm；Measurement phycocyanin and algae red egg
When white, centre wavelength is 590 ± 20nm；In measurement water, when oil, cdom, centre wavelength is 360 ± 20nm.
Described photoelectric detector 6 wavelength response range is 320-1100nm, and peak response wavelength is 960 ± 20nm, response
Degree is 0.6a/w, turns off frequency > 25mhz.
Described transmitting optical filter 5 can be changed according to measurement factor difference, in measuring when chlorophyll, rhodamine, fluorescein
Cardiac wave length is 460nm；When measurement phycocyanin and phycoerythrin, centre wavelength is 590nm；Cardiac wave in measuring when oil, cdom in water
Length is 360nm.
Described reception optical filter 7 can be changed according to measurement factor difference, in measuring when chlorophyll, rhodamine, fluorescein
Cardiac wave length is 680nm；When measurement phycocyanin and phycoerythrin, centre wavelength is 650nm；Cardiac wave in measuring when oil, cdom in water
Length is 460nm.
Described cleaning motor 9 is DC speed-reducing, and speed reducing ratio is more than 200:1.
Described cleaning brush 11 is made up of corrosion resistance macromolecular material, is in close contact with measurement end face, can effectively clean
Attachment.
The foregoing is only preferred implementation of the present utility model, not thereby limit patent model of the present utility model
Enclose, equivalent structure or equivalent flow conversion that every utilization this utility model description and accompanying drawing content are made, or directly or
Connect the technical field being used in other correlations, all include in the same manner in scope of patent protection of the present utility model.
Claims (8)
1. fluorescence monitoring instrument under a kind of self-cleaning water, described monitor includes a shell (2), external interface (1), described shell
(2) it is connected with external interface (1) it is characterised in that described shell (2) is cylinder, its portion is provided with two chambers, is close to
The within the chamber in external interface (1) direction is provided with testing circuit plate (3), the within the chamber of other direction, is provided with cleaning motor
(9), described cleaning motor (9) connects cleaning brush (11) by axle, and described cleaning brush (11) is placed in the outside of shell (2), described
Gap location between cleaning motor (9) and shell (2) medial wall, is provided with fluorescence detection device under water, this fluoroscopic examination under water
Device includes light emitting devices, optical pickup apparatus, and described testing circuit plate (3) connects cleaning motor (9), under water fluorescence inspection respectively
Survey device；
Described light emitting devices include light source (4), transmitting optical filter (5), launching fiber (8)；
Described optical pickup apparatus include photoelectric detector (6), receive optical filter (7), reception optical fiber (10)；
Described launching fiber (8), reception optical fiber (10) are respectively placed in the upper side and lower side of cleaning motor (9), described launching fiber
(8) inner end connects transmitting optical filter (5), and described transmitting optical filter (5) other end is connected with light source (4), launching fiber
(8), optical filter (5), light source (4) are launched on the same line；The inner end of described reception optical fiber (10) connects reception optical filter
(7), the described other end receiving optical filter (7) connects photoelectric detector (6).
2. under a kind of self-cleaning water according to claim 1 fluorescence monitoring instrument it is characterised in that: described light source (4) is
The light source of 2.4khz frequency.
3. under a kind of self-cleaning water according to claim 1 fluorescence monitoring instrument it is characterised in that: described external interface (1)
For 5 core cable core interfaces, the heart yearn in this 5 core cable core interface is positive source heart yearn, power cathode heart yearn, ground connection core respectively
Line, rs485a heart yearn and rs485 heart yearn.
4. under a kind of self-cleaning water according to claim 1 fluorescence monitoring instrument it is characterised in that: described shell (2) be resistance to
Corrosion type shell.
5. under a kind of self-cleaning water according to claim 1 fluorescence monitoring instrument it is characterised in that: described launching fiber (8)
For pmma plastic optical fiber, its aperture is between 0.45 ~ 0.55mm.
6. under a kind of self-cleaning water according to claim 1 fluorescence monitoring instrument it is characterised in that: described reception optical fiber (10)
For pmma plastic optical fiber, its aperture is between 0.45 ~ 0.55mm.
7. under a kind of self-cleaning water according to claim 1 fluorescence monitoring instrument it is characterised in that: described cleaning motor (9)
For DC speed-reducing, its speed reducing ratio is more than 200:1.
8. under a kind of self-cleaning water according to claim 1 fluorescence monitoring instrument it is characterised in that: described cleaning brush (11) is
Corrosion resistant type cleaning brush, it is in close contact with the measurement end face of monitor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620832235.1U CN205898684U (en) | 2016-08-03 | 2016-08-03 | Self -cleaning is fluorescence monitor under water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620832235.1U CN205898684U (en) | 2016-08-03 | 2016-08-03 | Self -cleaning is fluorescence monitor under water |
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| Publication Number | Publication Date |
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| CN205898684U true CN205898684U (en) | 2017-01-18 |
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| CN201620832235.1U Active CN205898684U (en) | 2016-08-03 | 2016-08-03 | Self -cleaning is fluorescence monitor under water |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185868A (en) * | 2017-06-23 | 2017-09-22 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Cylindricality underwater detectoscope enclosed globe shade cleaning and protecting device |
| CN108426836A (en) * | 2018-03-06 | 2018-08-21 | 曲晓辉 | Water monitoring device |
| CN108956465A (en) * | 2018-07-27 | 2018-12-07 | 天津大学 | A kind of plug in construction for oil field reinjection water on-line monitoring |
| CN115684120A (en) * | 2022-11-25 | 2023-02-03 | 常熟市佳盛农业科技发展有限公司 | Chlorophyll fluorescence sensor based on photodiode and detection method |
-
2016
- 2016-08-03 CN CN201620832235.1U patent/CN205898684U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107185868A (en) * | 2017-06-23 | 2017-09-22 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Cylindricality underwater detectoscope enclosed globe shade cleaning and protecting device |
| CN107185868B (en) * | 2017-06-23 | 2019-05-31 | 中国船舶科学研究中心（中国船舶重工集团公司第七0二研究所） | Cylindricality underwater detectoscope enclosed globe shade cleaning and protecting device |
| CN108426836A (en) * | 2018-03-06 | 2018-08-21 | 曲晓辉 | Water monitoring device |
| CN108426836B (en) * | 2018-03-06 | 2019-09-13 | 北京云达峰信息咨询有限公司 | Water monitoring device |
| CN108956465A (en) * | 2018-07-27 | 2018-12-07 | 天津大学 | A kind of plug in construction for oil field reinjection water on-line monitoring |
| CN115684120A (en) * | 2022-11-25 | 2023-02-03 | 常熟市佳盛农业科技发展有限公司 | Chlorophyll fluorescence sensor based on photodiode and detection method |
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