CN208860728U - Cuvette and its matching used cuvette pedestal - Google Patents
Cuvette and its matching used cuvette pedestal Download PDFInfo
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- CN208860728U CN208860728U CN201821594102.0U CN201821594102U CN208860728U CN 208860728 U CN208860728 U CN 208860728U CN 201821594102 U CN201821594102 U CN 201821594102U CN 208860728 U CN208860728 U CN 208860728U
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Abstract
The utility model provides a kind of cuvette and its matched cuvette pedestal, the cuvette includes sample inlet port, detection part and zero region, at least there are three detection zones for detection part, the content cavity of each detection zone is interconnected, and the content cavity width of three successively becomes larger or becomes smaller, sample inlet port is connected to the smallest detection zone of width.Its do not need processing sample (as dilute or concentration), do not need replacement cuvette, accurate numerical value can be determined, can continuous sample-adding guarantee that the sample source of each measurement region is identical, reduces sample difference caused by sample-adding, can the synchronous zero of real-time perfoming.
Description
Technical field
The utility model relates to belong to the transparent container art of optical measurement, more particularly to a kind of cuvette and its mating
The cuvette pedestal used.
Background technique
Cuvette is a kind of instrumentation for spectrum analysis.Its quartz colorimetric utensil mainly fired by silica flour,
Also there are the cuvettes such as micro, semimicro, fluorescence.The light path of most common cuvette be it is fixed, the sample of measurement is wanted
Multiple processing is according to circumstances carried out, the cleaning of cuvette is also more troublesome；Moreover, because the pass of detection limit and sample concentration
System, the too superb range of linearity out of concentration, the too low error of concentration is excessive, needs to be diluted sample or be concentrated or replace
The cuvette of suitable light path；Such operating process is comparatively laborious, and the also more difficult judgement of the diluted degree of sample.Although existing
Measuring instrument can solve the above problems equipped with different light path cuvettes, but cuvette calibration and cleaning trouble, operation
It is inconvenient.Existing patent also reports some special-shaped cuvettes, can meet the measurements of more light paths in a cuvette, such as
CN105891117A discloses a kind of more light path cuvettes of staged, but its need matching used staged cuvette platform,
Sliding block, it is complex；Measurement result is only rough measure, not precisely；Sample-adding is is loaded respectively, in the ratio of different gradients
It will appear error caused by sample pipetting volume tandem or sampling mode difference in color ware；CN203465188U,
CN207123484U, CN102879333A all refer to more light path cuvettes, are by cuvette top and the bottom width and/or thickness
The difference of degree, however the size of above-mentioned cuvette is fixed, use scope is limited.
Therefore in the case where now needing one kind not need processing sample (as diluted or being concentrated), not needing replacement cuvette
In the case of, accurate numerical value can be determined, can continuous sample-adding guarantee the sample source of each measurement region it is identical, reduce sample-adding make
At sample difference, can real-time perfoming zero cuvette.
Summary of the invention
The utility model provide to solve problems of the prior art one kind do not need processing sample (as dilution or
Person concentration) in the case where, do not need replacement cuvette in the case where, accurate numerical value can be determined, can continuous sample-adding protect
The sample source for demonstrate,proving each measurement region is identical, reduces sample difference caused by sample-adding, can the synchronous zero of real-time perfoming cuvette.
To achieve the above object, the utility model provides the following technical solutions: a kind of cuvette comprising sample inlet port, inspection
Part and zero region are surveyed, at least there are three detection zones for detection part, and the content cavity of each detection zone is interconnected, and
The content cavity width of three successively incrementally increases or becomes smaller, and sample inlet port is connected to the smallest detection zone of width.
Further, the content cavity of each detection zone is arranged according to Geometric Sequence；When detection zone is three, the first inspection
The width L1 for surveying region is 0.1mm, and the width L2 of the second detection zone is 1mm, and the width L3 of third detection zone is 10mm, is returned
The width of null range is of same size with third detection zone, is 10mm.
Further, setting and the matching used pedestal of cuvette, pedestal are the box body structure of an opened upper end, box body knot
Light hole is arranged in the opposite sides of structure, in the corresponding optical channel of detection zone (optical channel i.e. between the light hole of two sides) extremely
One blocking portion is set less, and spaced between blocking portion and side wall where it, the blocking portion and channel on each optical channel are another
Conventional cuvette is accommodated between the side wall of side or two corresponding blocking portions on channel.Due to where blocking portion and its
Side wall between there are gaps, the gap is adjustable, thus be adapted to the application cuvette while, various models can be adapted to
Conventional cuvette.
Further, setting and the matching used pedestal of cuvette, pedestal are the box body structure of an opened upper end, box body knot
Light hole is arranged in the opposite sides of structure, is correspondingly arranged several convex blocks in the corresponding optical channel two sides of each detection zone, adjacent
Concave part is formed between two convex blocks, the concave part on each optical channel can accommodate conventional cuvette, and the concave part of optical channel can
To be arranged to a variety of fit sizes, so as to be adapted to the conventional cuvette of various models, thus in the colorimetric of adaptation the application
While ware, the conventional cuvette of various models can be adapted to.
Further, lug boss is arranged in the both sides of cuvette, facilitates the taking on pedestal by cuvette, can also play
It is preferably adapted to pedestal, lug boss can according to circumstances be fabricated to various suitable shapes without specific structure qualification.
Further, the opening (opening of sample inlet port, third detection zone and region of being zeroed) of cuvette is provided with lid
Son or plug, can measure volatile liquid, and if there are poisonous and harmful substances also can in sample
Enough injuries reduced to testing staff, pollution of the reduction to test environment, lid can be buckle structure, helicitic texture, plug
It can be rubber stopper.
Further, the material of cuvette be quartz, fused silica, optical glass, polycarbonate, polystyrene it is any
It is a kind of.
The major advantage and good effect of the utility model specifically include that
(1) cuvette of the application is without to processing sample (as diluted or being concentrated), to sample to be tested
It is measured, and measurement result is accurate；
(2) cuvette of the application can synchronize detection in a cuvette, including right in no replacement is required cuvette
The zeroing of spectral detection equipment；
(3) each measurement region is interconnected, guarantees that sample is homogeneous distribution, avoids Loading sequence and takes
Sample is influenced caused by measurement result；
(4) design has the understructure to match with the cuvette of the application, and the understructure is in the ratio for being applicable in the application
While color ware, it similarly can be used in cuvette conventional in the prior art, application field is extensive.
Detailed description of the invention
Fig. 1 cuvette overall structure figure
Fig. 2 cuvette top view
One example structure figure of the mating pedestal of Fig. 3 cuvette
Another example structure figure of the mating pedestal of Fig. 4 cuvette
Fig. 5 cuvette and mating pedestal assembling schematic diagram
In attached drawing, appended drawing reference is as follows:
1 be sample inlet port, 2 be the first detection zone, 3 be the second detection zone, 4 be third detection zone, 5 be zero area
Domain, 6 be lug boss, 7 be light hole, 8 be blocking portion, 9 be concave part.
Specific embodiment
It should be understood that in the scope of the utility model, above-mentioned each technical characteristic of the utility model and below (such as implementation
Example) in specifically describe each technical characteristic between can be combined with each other, to form a new or preferred technical solution.It is limited to
Length, not repeated them here.
Cuvette as shown in Figs. 1-2 comprising sample inlet port 1, the first detection zone 2, the second detection zone 3, third inspection
Region 4 and zero region 5 are surveyed, wherein sample inlet port 1 is sample pipetting volume mouth, can match with the pipette tips of liquid-transfering gun, certainly may be used
To be matched with other any sample adding devices, can also be directly loaded to sample inlet port 1.First detection zone 2, second
Detection zone 3 and 4 content cavity of third detection zone are interconnected, and the content cavity width of three incrementally increases, preferably
It is arranged according to Geometric Sequence, such as width L1 of the first detection zone 2 is 0.1mm, and the width L2 of the second detection zone 3 is 1mm, the
The width L3 of three detection zones 4 is consistent with conventional cuvette, is 10mm, i.e. 2 content cavity width of the first detection zone is third inspection
The 1/100 of region 3 is surveyed, 3 content cavity width of the second detection zone is the 1/10 of third detection zone 4.Region 5 be zeroed for spectrum
Detecting instrument zero region, the width of content cavity and the equivalent width of third detection zone 4.Common cuvette loads sample
When, the path that detection light passes through sample is fixed.The application makes detection light have 3 gears by the path of sample, by
It is directly proportional by the path of sample to detection light in the absorbance of sample, therefore, even if when sample in the case where high concentration, it is right
Lesser first, second detection zone of width is detected, and the concentration of sample can be still accurately detected.Sample inlet port 1 is located at the
One detection zone, 2 side, that is, be located at the upper end of the most narrow detection zone of width, and sample first passes through the first detection zone, then passes through
It crosses the second detection zone and finally enters third detection zone, it can not so as to avoid the width of the first detection zone 1 too small
Sample to be tested adequately is filled, if first sample is injected from third detection zone, due to the second detection zone and the first detection zone
The width in domain gradually decreases, and is unable to fully inject a sample into due to resistance, and first injects sample from the first detection zone, passes through
Sample to be tested is successively occupied the first, second, third detection zone by lasting sample-adding pressure at sample inlet port 1.
As shown in figure 3, be the matched understructure of cuvette, the cuvette in replaceable existing spectral detection equipment
Understructure, so that the pedestal of the application is fixed in spectral detection equipment.The box of a understructure generally opened upper end
Light hole 7 is arranged according to the structure of cuvette in body structure accordingly, (i.e. opposite two in the corresponding optical channel of detection zone
In optical channel between a light hole 7) blocking portion 8 is at least set, it is spaced between blocking portion 8 and side wall where it,
The interval can be Openworks shape as shown in Figure 2, be also possible to that blocking portion is arranged on the complete, side wall without engraved structure
8, it the side wall of blocking portion 8 and the channel other side on each optical channel or can be accommodated often between two blocking portions 8 on channel
The cuvette of rule, since there are gaps between the side wall where blocking portion 8 and blocking portion 8, and the gap is adjustable, so as to suitable
Conventional cuvette with various models, to can use routine when the cuvette for not needing the application is measured sample
Cuvette is measured, without replacing the cuvette understructure in existing spectral detection equipment repeatedly.
As shown in figure 4, being another embodiment of the matched understructure of cuvette, replaceable existing spectrum detection instrument
Cuvette understructure in device, so that the pedestal in the embodiment is fixed in spectral detection equipment.Understructure is whole
For the box body structure of an opened upper end, light hole 7 is arranged according to the structure of cuvette accordingly, it is corresponding in each detection zone
Optical channel (i.e. optical channel between with respect to two light holes 7) two sides be correspondingly arranged several convex blocks, between two adjacent convex blocks
Concave part 9 is formed, the concave part 9 on each optical channel can accommodate conventional cuvette, and the concave part 9 of optical channel can be set into
A variety of fit sizes, so as to be adapted to the conventional cuvette of various models, to be carried out in the cuvette for not needing the application
When measuring sample, it can use conventional cuvette and be measured, without replacing the ratio in existing spectral detection equipment repeatedly
Color ware understructure.
As shown in figure 5, being placed on the schematic diagram in understructure matched with its for cuvette, pass through cuvette both sides
Lug boss 6 facilitates the taking on pedestal by cuvette, and certainly, cuvette can also be not provided with lug boss 6, thus by pinching two
End side portion takes.Lug boss 6 can also be played and is preferably adapted to pedestal, lug boss 6 without specific structure qualification,
Various suitable shapes can be according to circumstances fabricated to.
The cuvette of the application is using steps are as follows: pure water is added in zero region；It needs to detect from sample inlet port addition
Sample until sample be successively full of the first, second, third detection zone；By cuvette merging pedestal, (pedestal is fixed in advance
In spectral detection equipment)；Spectral detection equipment is opened, optical path is first subjected to zero setting by zero region；Then light is adjusted
Road passes sequentially through the first, second, third detection zone, detects the concentration value of sample；After measurement, spectrum detection instrument is closed
Device takes out cuvette, and sample and pure water is exported from cuvette.
It is incorporated herein by reference in all documents that the utility model refers to, just as each document quilt
It is individually recited as with reference to such.In addition, it should also be understood that, after having read the above-mentioned teaching content of the utility model, this field skill
Art personnel can make various changes or modifications the utility model, and such equivalent forms equally fall within the application appended claims
Book limited range.
Claims (10)
1. a kind of cuvette, it is characterised in that: the cuvette includes sample inlet port, detection part and zero region, and detection part is extremely
It is few there are three detection zone, the content cavity of each detection zone be it is interconnected, and the content cavity width of three successively become larger or
Become smaller, sample inlet port is connected to the smallest detection zone of width.
2. cuvette according to claim 1, it is characterised in that: the width of the content cavity of each detection zone according to etc. compare number
Column setting.
3. cuvette according to claim 2, it is characterised in that: detection part includes three detection zones, the first detection
The width of region content cavity is 0.1mm, and the width of the second detection zone content cavity is 1mm, the width of third detection zone content cavity
Degree is 10mm, and the width in region of being zeroed and the of same size of third detection zone are 10mm.
4. cuvette according to claim 1 to 3, it is characterised in that: lug boss is arranged in the both sides of cuvette.
5. cuvette according to claim 1 to 3, it is characterised in that: each opening of cuvette be provided with lid or
Person's plug.
6. cuvette according to claim 1 to 3, it is characterised in that: the material of cuvette be quartz, fused silica,
Any one of optical glass, polycarbonate, polystyrene.
7. a kind of cuvette pedestal matches, it is characterised in that: pedestal with any cuvette of claim 1-6
Light hole is arranged in opposite sides for the box body structure of an opened upper end, box body structure, and each light between the light hole of two sides is logical
One blocking portion is at least set in road, it is spaced between blocking portion and side wall where it.
8. cuvette pedestal according to claim 7, it is characterised in that: the blocking portion and the optical channel on each optical channel are another
Conventional cuvette is accommodated on the side wall or optical channel of side between opposite two blocking portions.
9. a kind of cuvette pedestal matches, it is characterised in that: pedestal with any cuvette of claim 1-6
Light hole is arranged in opposite sides for the box body structure of an opened upper end, box body structure, and each light between the light hole of two sides is logical
Road two sides are correspondingly arranged several convex blocks, form concave part between adjacent two convex block.
10. cuvette pedestal according to claim 9, it is characterised in that: the concave part on each optical channel accommodates conventional ratio
Color ware.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821594102.0U CN208860728U (en) | 2018-09-28 | 2018-09-28 | Cuvette and its matching used cuvette pedestal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821594102.0U CN208860728U (en) | 2018-09-28 | 2018-09-28 | Cuvette and its matching used cuvette pedestal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208860728U true CN208860728U (en) | 2019-05-14 |
Family
ID=66419727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821594102.0U Active CN208860728U (en) | 2018-09-28 | 2018-09-28 | Cuvette and its matching used cuvette pedestal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208860728U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216863A (en) * | 2022-02-21 | 2022-03-22 | 常州艾立贝医疗科技有限公司 | Continuous multi-point isothermal amplification detector and detection method |
| CN115096841A (en) * | 2022-06-22 | 2022-09-23 | 国网上海市电力公司 | Liquid sample spectrum testing system and method based on terahertz spectrum and sample cell |
-
2018
- 2018-09-28 CN CN201821594102.0U patent/CN208860728U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216863A (en) * | 2022-02-21 | 2022-03-22 | 常州艾立贝医疗科技有限公司 | Continuous multi-point isothermal amplification detector and detection method |
| CN114216863B (en) * | 2022-02-21 | 2022-05-20 | 常州艾立贝医疗科技有限公司 | Continuous multi-point isothermal amplification detector and detection method |
| CN115096841A (en) * | 2022-06-22 | 2022-09-23 | 国网上海市电力公司 | Liquid sample spectrum testing system and method based on terahertz spectrum and sample cell |
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