CN207051182U - A kind of colorimetric measurement unit and online water quality detecting device - Google Patents
A kind of colorimetric measurement unit and online water quality detecting device Download PDFInfo
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- CN207051182U CN207051182U CN201720404712.9U CN201720404712U CN207051182U CN 207051182 U CN207051182 U CN 207051182U CN 201720404712 U CN201720404712 U CN 201720404712U CN 207051182 U CN207051182 U CN 207051182U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 87
- 238000005259 measurement Methods 0.000 title claims abstract description 57
- 230000009977 dual effect Effects 0.000 claims abstract description 42
- 230000003287 optical effect Effects 0.000 claims abstract description 42
- 239000003153 chemical reaction reagent Substances 0.000 claims abstract description 36
- 239000000126 substance Substances 0.000 claims abstract description 20
- 241001347978 Major minor Species 0.000 claims description 40
- 230000005540 biological transmission Effects 0.000 claims description 39
- 238000003760 magnetic stirring Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 2
- 230000008676 import Effects 0.000 claims description 2
- 238000009738 saturating Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 11
- 238000002835 absorbance Methods 0.000 description 11
- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000004457 water analysis Methods 0.000 description 2
- 230000008033 biological extinction Effects 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
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Abstract
The utility model provides the colorimetric measurement unit for online water quality detecting device, including the cuvette with two different up and down light paths；Two groups of dual wavelength optical systems, the incidence end of cuvette is arranged in up and down, correspond to two different light paths of cuvette respectively；With two groups of light source receiving modules, two groups of dual wavelength optical systems are corresponded respectively to；A part of light source of the emergent light of each group of dual wavelength optical system is received by the light source receiving module of respective sets by cuvette and not received and another part light source by cuvette by the light source receiving module of respective sets.The utility model also provides the online water quality detecting device using the colorimetric measurement unit, and it also includes the hybrid system of real-time mixed sample and reagent.So, light path can be automatically selected according to the height of contained substance concentration in actual measurement water sample, adds test scope, improve the accuracy of measurement, reduce water sample and reagent consumption, shorten mixing and time of measuring, it is compact-sized.
Description
Technical field
It the utility model is related to online water analysis instrument technical field, more particularly to a kind of colorimetric measurement unit and including it
Online water quality detecting device.
Background technology
At present, the measurement generally use Single wavelength of online water analysis instrument, monochromatic light journey cuvette, therefore, with tested
Absorbance (for example, concentration of ammonia nitrogen) span change of contained substance is, it is necessary to change the cuvette of different light paths in water sample, so as to
Water sample and reagent consumption increase, and time of measuring extends, cost increase.In addition, can be by some interference (such as, in measurement
Turbidity interference, colourity interference, ion interference, cuvette pollution interference etc.), influence measurement accuracy.
The content of the invention
The purpose of this utility model is to provide a kind of online water quality detecting device and related colorimetric measurement unit, to overcome
Problem of the prior art.
Therefore, in first aspect of the present utility model, there is provided a kind of colorimetric measurement for online water quality detecting device
Unit, wherein, the colorimetric measurement unit includes：
Cuvette, the cuvette have two different up and down light paths；
Two groups of dual wavelength optical systems, the incidence end of the cuvette is arranged in up and down, corresponds to the cuvette respectively not
Two same light paths；With
Two groups of light source receiving modules, correspond respectively to different above and below two groups of dual wavelength optical systems and the cuvette
Corresponding two light paths；
Wherein, two groups of dual wavelength optical systems are arranged to a part of light source of each group of emergent light and pass through the ratio
Color ware, received by the light source receiving module of respective sets, and another part light source is by the cuvette, by the light source of respective sets
Receiving module receives.
On the other hand, the utility model additionally provides a kind of online water quality detecting device, contained in water sample for measuring
The concentration of material, the online water quality detecting device include any of the above-described kind of colorimetric measurement unit and water sample reagent hybrid system,
It is in fluid communi between the colorimetric measurement unit and the water sample reagent hybrid system.
The advantages of colorimetric measurement unit of the present utility model and online water quality detecting device, is set by using double light paths
Meter, the different detected water sample of absorbance span of contained substance can be directly tested without changing cuvette, so as to reduce
Water sample and reagent consumption, reduce expense, shorten time of measuring；Designed by using dual wavelength, water sample dry in itself can be avoided
Disturb (such as, turbidity interference, colourity interference, ion interference, cuvette pollution interference etc.).In addition, online water of the present utility model
Quality detecting device can automatically select light path according to the height of contained substance concentration in actual measurement water sample, in the case of without dilution,
Test scope is added, improves the accuracy of measurement.
Brief description of the drawings
The advantages of describing the utility model in detail now with reference to accompanying drawing, feature, in the accompanying drawings, each part are not necessarily to scale
Draw, wherein：
Fig. 1 a-1c exemplified with the top view of an embodiment of colorimetric measurement unit of the present utility model, sectional view and
Upward view；
Sectional views of the Fig. 2 exemplified with one embodiment of online water quality detecting device of the present utility model.
Embodiment
In the utility model, cuvette can use the various cuvettes of prior art, such as compare made of quartz
Color ware；Its shape for example can be rectangle (rectangle) or other suitable shapes, can optionally (can optionally, Er Feibi
Must) there is lid.When describing the utility model, the position of cuvette determines upper and lower according to its positioning in actual use
To, orientation and its light source incidence end, exit end and plane of incidence.
Therefore, in first aspect of the present utility model, there is provided a kind of colorimetric measurement for online water quality detecting device
Unit, wherein, the colorimetric measurement unit includes：
Cuvette, the cuvette have two different up and down light paths；
Two groups of dual wavelength optical systems, the incidence end of the cuvette is arranged in up and down, corresponds to the cuvette respectively not
Two same light paths；With
Two groups of light source receiving modules, correspond respectively to different above and below two groups of dual wavelength optical systems and the cuvette
Corresponding two light paths；
Wherein, two groups of dual wavelength optical systems are arranged to a part of light source of each group of emergent light and pass through the ratio
Color ware, received by the light source receiving module of respective sets, and another part light source is by the cuvette, by the light source of respective sets
Receiving module receives.
By the arrangement of two groups of dual wavelength optical systems, a part of light source of each group of emergent light passes through the colorimetric
Ware, received by the light source receiving module of respective sets, and another part light source is connect not by the cuvette by the light source of respective sets
Module is received to receive.So, cuvette and the luminous intensity testing result without cuvette are passed through by comparing light source, contrast obtains
The absorbance of contained substance in water sample, so as to measure the concentration of contained substance in water sample.In addition, two by corresponding different light paths
The arrangement of group dual wavelength optical system, the emergent light of two groups of dual wavelength optical systems are grown respectively by the part of cuvette
Test substance in short two different light paths absorbs to some extent, to allow the colorimetric measurement unit to measure water sample
The absorbance (for example, contained substance has different concentration ranges) of the different spans of middle contained substance, without changing cuvette
The different detected water sample of the absorbance span of contained substance can be directly tested, so as to reduce water sample and reagent consumption, drop
Low expense, shorten time of measuring.
According to a preferred embodiment of the present utility model, each group of two groups of dual wavelength optical systems includes one
Individual main light source outgoing module, a secondary light source outgoing module and a major-minor light source reflection and transmission module, wherein the key light
Source outgoing module and secondary light source outgoing module are that the light source outgoing module for the emergent light that can send different wave length is (so-called
The dual wavelength of dual wavelength optical system refers to the outgoing that the main light source outgoing module and secondary light source outgoing module are sent
Optical wavelength is different).By the different setting of the outgoing optical wavelength of dual wavelength optical system, contents in water sample can be measured simultaneously
The absorbance of the light of confrontation different wave length, water sample can be removed in itself by contrasting the absorbance of the light to different wave length measured
Interference (such as, turbidity interference, colourity interference, ion interference, cuvette pollution interference etc.).
According to a preferred embodiment of the present utility model, the main light source outgoing module is can to send wavelength to be
The light source outgoing module of 660nm emergent light, and secondary light source outgoing module is can to send wavelength going out for 880nm
Penetrate the light source outgoing module of light.
According to a preferred embodiment of the present utility model, the major-minor light source reflection and transmission module and the cuvette
Arrange at an angle, the main light source is emitted module arrangement in the major-minor light source reflection and transmission module away from the cuvette
Side, and the emergent light of main light source outgoing module pass through the major-minor light source reflection and transmission module, and beam splitting is transmits
Light and reflected light, the axis of transmitted light is vertical with the plane of incidence of the cuvette, and then pass through the cuvette corresponding one
Individual light path, then received by the light source receiving module of respective sets, and reflected light is by the cuvette, directly by respective sets
Light source receiving module receives；And the secondary light source is emitted module arrangement in the major-minor light source reflection and transmission module close to described
The side of cuvette, to cause the secondary light source is emitted the emergent light of module to pass through the major-minor light source reflection and transmission module,
Beam splitting is transmitted light and reflected light, the plane of incidence of cuvette described in reflected light vertical incidence, and then being somebody's turn to do by the cuvette
Corresponding light path, then received by the light source receiving module of respective sets, and transmitted light is by the cuvette, directly by corresponding
The light source receiving module of group receives.
Self-evident, in the utility model, the major-minor light source reflection and transmission module and the cuvette are into an angle
Degree arrangement, the main light source outgoing module can also be arranged in the major-minor light source reflection and transmission module close to the cuvette
Side, make it that it is vertical that the main light source is emitted reflected light of the emergent light of module Jing Guo the major-minor light source reflection and transmission module
The plane of incidence of the incident cuvette, and then the corresponding light path for passing through the cuvette；And the secondary light source outgoing
Module arrangement is in the major-minor side of the light source reflection and transmission module away from the cuvette, and the secondary light source is emitted mould
The axis of transmitted light of the emergent light of block Jing Guo the major-minor light source reflection and transmission module is vertical with the plane of incidence of the cuvette,
And then by the corresponding light path of the cuvette, it is identical with above-mentioned detection operation principle that it detects operation principle.In other words,
Main light source is emitted module and the position of secondary light source outgoing module and can exchanged, and all in the scope of the utility model.
According to a preferred embodiment of the present utility model, at the light source incidence end of cuvette, have one it is first transparent
Part covers a part for whole cuvette or cuvette；Meanwhile there is exit end of second transparent component in cuvette
Cover a part for whole cuvette or cuvette, have a light-guiding pillar cuvette exit end against cuvette short light
Journey part and the outgoing axis centre of module is emitted with the main light source of corresponding short light path aligns.Pass through the first transparent component, second
The arrangement of transparent component and light-guiding pillar forms measurement cavity, and light-guiding pillar is arranged such that the outgoing of main light source outgoing module
Total reflection is formed after the short light path that light passes through cuvette in light-guiding pillar, so as to realize the converging action of light, reduces light loss.
According to a preferred embodiment of the present utility model, each group of two groups of light source receiving modules all includes the
One light source receiving module and secondary light source receiving module, wherein the first light source receiving module, which is arranged to, receives emergent light
Not by the part light source of the cuvette, and the secondary light source receiving module is arranged to reception emergent light and has passed through institute
State the part light source of cuvette.
According to a preferred embodiment of the present utility model, the cuvette have from different two light paths up and down not
More light paths together, corresponding more multigroup dual wavelength optical system, and more multiple sets of light sources receiving module, wherein more multigroup double
Wavelength optical system and the cuvette light path of more correspond respectively with more multiple sets of light sources receiving module, form " double wave
The combination of long optical system-light path-light source receiving module ".
According to a preferred embodiment of the present utility model, the first light source receiving module cloth of every group of light source receiving module
The secondary light source put in respective sets is emitted on the outgoing axis of module and remote in the major-minor light source reflection and transmission module of respective sets
The side of the secondary light source outgoing module of respective sets, the secondary light source receiving module of this group of light source receiving module are arranged in respective sets
Main light source outgoing module outgoing axis on and in major-minor light source reflection and transmission module of the cuvette away from respective sets
Side.
According to a preferred embodiment of the present utility model, at least one in two groups of dual wavelength optical systems is
The orthogonal light splitting optical system of dual wavelength, the major-minor light source reflection and transmission mould of the orthogonal divided beam system of dual wavelength optical of wherein respective sets
Block is the double optics window with cuvette arrangement at 45 °.
According to a preferred embodiment of the present utility model, main light source outgoing module and major-minor light source reflection and transmission module
Between and/or secondary light source outgoing module and major-minor light source reflection and transmission module between be disposed with filter.Pass through the filter of arrangement
Light device can eliminate the interference of other light sources.
According to a preferred embodiment of the present utility model, the upper end of the cuvette with short light path and lower end with
Long light path.For example, can have by opening position of the cuvette in corresponding to upper and lower light path different cuvette wall thickness or
Inwall spacing and form different light paths.
On the other hand, the utility model additionally provides a kind of online water quality detecting device, and it is used to measure institute in water sample
Concentration containing material, the on-line measuring device include any of the above-described kind of colorimetric measurement unit and water sample reagent hybrid system, its
Middle water sample reagent hybrid system will enter water sample therein and reagent is well mixed；The colorimetric measurement unit tries with the water sample
It is in fluid communi between agent hybrid system, such as is connected by pipeline, so, water sample and reagent is in water sample reagent mixed stocker
Receive detection into colorimetric measurement unit after system is well mixed.
According to a preferred embodiment of the present utility model, the water sample reagent hybrid system includes a magnetic stirring
Body, a stirring container and a rotary module, wherein the stirring container include one or more water sample imports or one or
Multiple reagent entry ports, and one or more mixing liquids are exported, and magnetic stirring body (example can be accommodated in the stirring container
Such as, magnetic stirring rotor), the rotary module is configured to that the magnetic stirring body can be driven to rotate, so as to detected water sample
It is stirred with reagent so that detected water sample and reagent are well mixed.
Preferably, the concentration of online water quality detecting device ammonia nitrogen suitable for measurement water sample of the present utility model.
Below in conjunction with accompanying drawing, specific embodiment of the present utility model is explained, still, the utility model is not by these
The limitation of specific embodiment.
Fig. 1 a-1c illustrate respectively the top view of an embodiment of colorimetric measurement unit of the present utility model, section view
Figure is (along Section A-A) and upward view.As illustrated by figures 1 a-1 c, the colorimetric measurement unit for online water quality detecting device includes
End is emitted module 2a, the first secondary light source is emitted with the cuvette 1 of short light path and lower end with long light path by the first main light source
The orthogonal light splitting optical system of first group of dual wavelength that the major-minor light source reflection and transmission module 5a of module 3a and first are formed and by the
Two main light sources outgoing module 2b, the major-minor light source reflection and transmission module 5b of the second secondary light source outgoing module 3b and second form the
Two groups of orthogonal light splitting optical systems of dual wavelength, two groups of light sources corresponding with two groups of orthogonal light splitting optical systems of dual wavelength receive mould
Block.
From the sectional view 1b along Section A-A, the first transparent component 6 is whole in the covering of the light source incidence end of cuvette 1
Individual cuvette 1, the second transparent component 8 cover the long light path region of cuvette 1 in the exit end of cuvette 1, and light-guiding pillar 7 is in colorimetric
The exit end of ware 1 aligns against its short light path part and with the first main light source outgoing module 2a outgoing axis centre so that the
Total reflection is formed in light-guiding pillar 7 after the short light path that one main light source outgoing module 2a emergent light passes through cuvette, so as to realize
The converging action of light, reduces light loss.Cuvette 1 is closed by transparent component 6 and 8 and light-guiding pillar 7 and forms measurement chamber
Body.
Two groups of orthogonal light splitting optical systems of dual wavelength are adjacent to the incidence end for being arranged in cuvette 1 up and down with cuvette 1,
Wherein first group of orthogonal light splitting optical system of dual wavelength corresponds to the short light path of cuvette 1, second group of orthogonal light splitting optical of dual wavelength
System corresponds to the long light path of cuvette 1.By the arrangement of two groups of dual wavelength optical systems of corresponding different light paths, described two groups double
The emergent light of wavelength optical system is absorbed to some extent by the test substance in two different light paths of length respectively, to cause
The colorimetric measurement unit can measure the absorbance of the different spans of contained substance in water sample (for example, contained substance has not
With concentration range), can directly test the different detected water sample of absorbance span of contained substance without changing cuvette, from
And water sample and reagent consumption can be reduced, expense is reduced, shortens time of measuring.
From top view 1a, the first major-minor light source reflection and transmission module 5a is made up of double optics window, double optics window
Piece 5a and 1 arrangement at 45 ° of cuvette.It is remote that first main light source outgoing module 2a is arranged in the first major-minor light source reflection and transmission module 5a
Emergent light from the side of cuvette 1, and the first main light source outgoing module 2a passes through the first major-minor light source reflection and transmission module
5a, orthogonal beam splitting are transmitted light and reflected light, and the axis of transmitted light is vertical with the plane of incidence of cuvette 1, and then passes through cuvette 1
Short light path partially absorbed by test substance therein, then by being arranged in cuvette 1 away from the first major-minor light source reflection and transmission
The secondary light source receiving module 9a of module 5a sides is received, and reflected light is by cuvette 1, directly by being arranged in the first auxiliary
It is emitted on light source outgoing module 3a outgoing axis and in the first major-minor light source reflection and transmission module 5a away from the first secondary light source
First light source receiving module 4a of module 3a sides is received, by the transmitted light and for comparing secondary light source receiving module 9a receptions
The reflected light that one light source receiving module 4a is received show that test substance is emitted the extinction of module 2a emergent light to the first main light source
Degree.And the first secondary light source outgoing module 3a is arranged in the first major-minor light source reflection and transmission module 5a close to the side of cuvette 1,
And the first secondary light source outgoing module 3a outgoing axis and the first main light source outgoing module 2a outgoing axis vertical take-off, so that
The first secondary light source outgoing module 3a emergent light through the first major-minor light source reflection and transmission module 5a, orthogonal beam splitting is transmitted light
And reflected light, the plane of incidence of reflected light vertical incidence cuvette 1, and then by the short light path of cuvette 1 by determinand therein
Matter partially absorbs, and is then received by secondary light source receiving module 9a, and transmitted light is by cuvette 1, directly by the first light source
Receiving module 4a is received, and is received by the reflected light and the first light source receiving module 4a that compare secondary light source receiving module 9a receptions
Transmitted light show that test substance is emitted the absorbance of module 3a emergent light to the first secondary light source.First main light source is emitted mould
The wavelength of block 2a emergent light is different from the wavelength of the first secondary light source outgoing module 3a emergent light.By contrasting pair measured
The absorbance of the light of different wave length can remove water sample in itself interference (such as, turbidity interference, colourity interference, ion interference,
Cuvette pollution interference etc.).
From upward view 1c, between the orthogonal light splitting optical system of second group of dual wavelength and another one group of light source receiving module
Position relationship it is similar to above description.
By above-mentioned configuration, colorimetric measurement unit forms the orthogonal beam splitting design of double light paths, dual wavelength, it is possible to reduce water sample
Consumed with reagent, reduce expense, shorten time of measuring；Each light path can carry out contrast test comprising dual wavelength simultaneously, can be with
The interference (such as, turbidity interference, colourity interference, ion interference, cuvette pollution interference etc.) of water sample in itself is eliminated, and it is orthogonal
The design of beam splitting not only realizes the structure of dual-wavelength measurement but also colorimetric measurement unit closely.
Fig. 2 is exemplified with one embodiment of online water quality detecting device of the present utility model (along similar to line A-A in Fig. 1 a
Section) sectional view.The online water quality detecting device is used for the concentration for measuring contained substance in water sample, and it includes water sample examination
Agent hybrid system and colorimetric measurement unit recited above, pass through pipeline between water sample reagent hybrid system and colorimetric measurement unit
Connection.The water sample reagent hybrid system includes the stirring container 11, one of magnetic stirring body 10, one rotary module (bag
Include a magnetic 12 and a Rotation Controllers 13).Stirring container 11 includes multiple water sample reagent entry ports and mixing liquid goes out
Mouthful, magnetic stirring body 10 is arranged in stirring container 11, and Rotation Controllers 13 is configured to drive magnetic 12 to rotate, so as to band
Dynamic magnetic stirring body 10 is rotated to be stirred to detected water sample and reagent so that the detected water sample being input in stirring container 11
Instantaneously it is well mixed with reagent.The detected water sample and reagent mixed simultaneously is sent to colorimetric measurement unit by pipeline.Therefore,
Above-mentioned water sample reagent hybrid system can be during detected water sample and reagent be transmitted in the path, by detected water sample and examination
Agent is well mixed in real time, shortens the processing time of detected water sample and reagent.
Preferably, the concentration of online water quality detecting device ammonia nitrogen suitable for measurement water sample of the present utility model.
Online water quality detecting device of the present utility model can be according to contained substance concentration in actual measurement water sample (for example, ammonia nitrogen
Concentration) height automatically select light path, and can be to occurring during measurement by the orthogonal beam splitting design of wherein dual wavelength interference
(such as, turbidity interference, colourity interference, ion interference, cuvette pollution interference etc.) is effectively removed, in the feelings without dilution
Under condition, test scope is added, improves the accuracy of measurement.In addition, online water quality detecting device of the present utility model can be with
Water sample and reagent consumption are reduced, reduces expense, shortens incorporation time and time of measuring, it is compact-sized.
Although being shown above and describing a variety of preferred embodiments, will be apparent to those skilled in the art
It is that can modify and change on the premise of without departing substantially from the scope of the utility model defined in appended claims.
Claims (15)
1. a kind of colorimetric measurement unit for online water quality detecting device, it is characterised in that the colorimetric measurement unit includes：
Cuvette (1), the cuvette (1) have two different up and down light paths；
Two groups of dual wavelength optical systems, the incidence end of the cuvette (1) is arranged in up and down, it is different to correspond to the cuvette respectively
Two light paths；With
Two groups of light source receiving modules, correspond respectively to different corresponding above and below two groups of dual wavelength optical systems and the cuvette
Two light paths；
Wherein, a part of light source for the emergent light that two groups of dual wavelength optical systems are arranged to each group passes through the cuvette
(1), received by the light source receiving module of respective sets, and another part light source is by the cuvette (1), by the light of respective sets
Source receiving module receives.
2. colorimetric measurement unit according to claim 1, it is characterised in that two groups of dual wavelength optical systems it is each
Group includes a main light source outgoing module (2a；2b), a secondary light source outgoing module (3a；3b) reflected with a major-minor light source
Transmit module (5a；5b), wherein main light source outgoing module (2a；2b) and the secondary light source is emitted module (3a；3b) it is
The light source outgoing module of the emergent light of different wave length can be sent.
3. colorimetric measurement unit according to claim 2, it is characterised in that the main light source outgoing module (2a；2b) it is
The light source that the emergent light that wavelength is 660nm can be sent is emitted module, and secondary light source outgoing module (3a；3b) being can
Module is emitted to send light source of the wavelength as 880nm emergent light.
4. the colorimetric measurement unit according to Claims 2 or 3, it is characterised in that the major-minor light source reflection and transmission module
(5a；5b) arranged at an angle with the cuvette (1), the main light source outgoing module (2a；2b) it is arranged in described major-minor
Light source reflection and transmission module (5a；5b) the side away from the cuvette (1), and main light source outgoing module (2a；2b)
Emergent light pass through the major-minor light source reflection and transmission module (5a；5b), beam splitting is transmitted light and reflected light, the axis of transmitted light
It is vertical with the plane of incidence of the cuvette (1), and then by a corresponding light path for the cuvette (1), then by corresponding
The light source receiving module of group is received, and reflected light is directly connect not by the cuvette (1) by the light source receiving module of respective sets
Receive；And the secondary light source outgoing module (3a；3b) it is arranged in the major-minor light source reflection and transmission module (5a；5b) close to described
The side of cuvette (1), to cause the secondary light source outgoing module (3a；Emergent light 3b) is by the major-minor light source reflection
Transmit module (5a；5b), beam splitting is transmitted light and reflected light, the plane of incidence of cuvette (1) described in reflected light vertical incidence, and then
By the corresponding light path of the cuvette (1), then received by the light source receiving module of respective sets, and transmitted light does not pass through
The cuvette (1), directly received by the light source receiving module of respective sets.
5. the colorimetric measurement unit according to Claims 2 or 3, it is characterised in that the major-minor light source reflection and transmission module
(5a；5b) arranged at an angle with the cuvette (1), the main light source outgoing module (2a；2b) it is arranged in described major-minor
Light source reflection and transmission module (5a；5b) close to the side of the cuvette (1), to cause the main light source outgoing module (2a；
Emergent light 2b) passes through the major-minor light source reflection and transmission module (5a；Cuvette (1) described in reflected light vertical incidence 5b)
The plane of incidence, and then the corresponding light path for passing through the cuvette (1)；And the secondary light source outgoing module (3a；3b) cloth
Put in the major-minor light source reflection and transmission module (5a；5b) the side away from the cuvette (1), and the secondary light source goes out
Penetrate module (3a；Emergent light 3b) passes through the major-minor light source reflection and transmission module (5a；The axis of transmitted light 5b) with it is described
The plane of incidence of cuvette (1) is vertical, and then the corresponding light path for passing through the cuvette (1).
6. colorimetric measurement unit according to claim 4, it is characterised in that each group of two groups of light source receiving modules
All include the first light source receiving module (4a；4b) and secondary light source receiving module (9a；9b), wherein first light source receives mould
Block (4a；4b) be arranged to receive emergent light not by the part light source of the cuvette (1), and the secondary light source connects
Receive module (9a；9b) it is arranged to and receives the part light source that emergent light has passed through the cuvette (1).
7. colorimetric measurement unit according to claim 1 or 2, it is characterised in that at the light source incidence end of cuvette (1),
There is the part that first transparent component (6) covers whole cuvette (1) or cuvette (1)；Meanwhile have one it is second saturating
Bright part (8) covers a part for whole cuvette (1) or cuvette (1) in the exit end of cuvette (1), there is a leaded light
Post (7) is emitted mould against the short light path part of cuvette (1) and with the main light source of corresponding short light path in the exit end of cuvette (1)
The outgoing axis centre alignment of block (2a).
8. colorimetric measurement unit according to claim 6, it is characterised in that the cuvette (1) has and upper and lower difference
Different more light paths of two light paths, corresponding more multigroup dual wavelength optical system, and more multiple sets of light sources receiving module,
A pair of wherein more multigroup dual wavelength optical system and the cuvette light path of more and more multiple sets of light sources receiving module difference 1
Should, form the combination of " dual wavelength optical system-light path-light source receiving module ".
9. colorimetric measurement unit according to claim 6, it is characterised in that the first light source of every group of light source receiving module connects
Receive module (4a；4b) it is arranged in the secondary light source outgoing module (3a of respective sets；On outgoing axis 3b) and in the master of respective sets
Secondary light source reflection and transmission module (5a；5b) the secondary light source outgoing module (3a away from respective sets；Side 3b), this group of light source connect
Receive the secondary light source receiving module (9a of module；9b) it is arranged in the main light source outgoing module (3a of respective sets；Outgoing axis 3b)
Above and in major-minor light source reflection and transmission module (5a of the cuvette (1) away from respective sets；5b) relative side.
10. colorimetric measurement unit according to claim 9, it is characterised in that in two groups of dual wavelength optical systems
At least one is the orthogonal light splitting optical system of dual wavelength, the major-minor light source of the orthogonal light splitting optical system of dual wavelength of wherein respective sets
Reflection and transmission module (5a；5b) it is double optics window with the cuvette (1) arrangement at 45 °.
11. colorimetric measurement unit according to claim 2, it is characterised in that the main light source outgoing module (2a；2b) and
The major-minor light source reflection and transmission module (5a；Between 5b) and/or the secondary light source is emitted module (3a；It is 3b) and described major-minor
Light source reflection and transmission module (5a；Filter is disposed between 5b).
12. colorimetric measurement unit according to claim 1 or 2, it is characterised in that the upper end of the cuvette (1) has
Short light path and lower end has long light path.
13. a kind of online water quality detecting device, it is used to measure the concentration of contained substance in water sample, the online water quality detection dress
Put including the colorimetric measurement unit described in one of water sample reagent hybrid system and the claims 1-11, wherein the water sample tries
Agent hybrid system will enter water sample therein and reagent is well mixed, the colorimetric measurement unit and the water sample reagent mixed stocker
It is in fluid communi between system.
14. online water quality detecting device according to claim 13, it is characterised in that the colorimetric measurement unit with it is described
Connected between water sample reagent hybrid system by pipeline.
15. the online water quality detecting device according to claim 13 or 14, it is characterised in that the water sample reagent mixed stocker
System includes a magnetic stirring body (10), a stirring container (11) and a rotary module (12,13), wherein the stirring is held
Device (11) includes one or more water sample imports or one or more reagent entry ports, and the outlet of one or more mixing liquids,
The stirring container (11) can accommodate the magnetic stirring body (10), and the rotary module (13) is configured to drive the magnetic
Stirring body (10) rotates, so as to be stirred to detected water sample and reagent so that detected water sample and reagent are well mixed.
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| CN201720404712.9U CN207051182U (en) | 2017-04-14 | 2017-04-14 | A kind of colorimetric measurement unit and online water quality detecting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109580507A (en) * | 2018-11-28 | 2019-04-05 | 国电南瑞科技股份有限公司 | A kind of parallel Quality Control water analysis outfit and method |
| CN110426359A (en) * | 2019-08-09 | 2019-11-08 | 山东省科学院海洋仪器仪表研究所 | A kind of detection device and method of concentration self-adapting seawater total nitrogen/total phosphorus |
| CN112004604A (en) * | 2018-04-23 | 2020-11-27 | 迈恩医疗解决方案有限公司 | Optical measuring unit and optical measuring method for obtaining a measuring signal of a fluid medium |
| CN116735152A (en) * | 2023-06-13 | 2023-09-12 | 上海博取仪器有限公司 | Colorimetric light source identity detection device |
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2017
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112004604A (en) * | 2018-04-23 | 2020-11-27 | 迈恩医疗解决方案有限公司 | Optical measuring unit and optical measuring method for obtaining a measuring signal of a fluid medium |
| CN112004604B (en) * | 2018-04-23 | 2023-02-03 | 迈恩医疗解决方案有限公司 | Optical measuring unit and optical measuring method for obtaining a measuring signal of a fluid medium |
| CN109580507A (en) * | 2018-11-28 | 2019-04-05 | 国电南瑞科技股份有限公司 | A kind of parallel Quality Control water analysis outfit and method |
| CN109580507B (en) * | 2018-11-28 | 2021-05-14 | 国电南瑞科技股份有限公司 | Parallel quality control water quality analysis device and method |
| CN110426359A (en) * | 2019-08-09 | 2019-11-08 | 山东省科学院海洋仪器仪表研究所 | A kind of detection device and method of concentration self-adapting seawater total nitrogen/total phosphorus |
| CN116735152A (en) * | 2023-06-13 | 2023-09-12 | 上海博取仪器有限公司 | Colorimetric light source identity detection device |
| CN116735152B (en) * | 2023-06-13 | 2024-03-19 | 上海博取仪器有限公司 | Colorimetric light source identity detection device |
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Address after: Room 101, 201, and 302, Building 10, No. 518 Fuquan North Road, Changning District, Shanghai, 200335 Patentee after: Weilituo (Shanghai) Technology Co.,Ltd. Country or region after: China Address before: Room 101, 201, and 302, Building 10, No. 518 Fuquan North Road, Changning District, Shanghai, 200335 Patentee before: Danaher (Shanghai) industrial instrument technology research and Development Co.,Ltd. Country or region before: China |