CN117074312A - Pipetting gun head type cuvette - Google Patents
Pipetting gun head type cuvette Download PDFInfo
- Publication number
- CN117074312A CN117074312A CN202311073178.4A CN202311073178A CN117074312A CN 117074312 A CN117074312 A CN 117074312A CN 202311073178 A CN202311073178 A CN 202311073178A CN 117074312 A CN117074312 A CN 117074312A
- Authority
- CN
- China
- Prior art keywords
- cuvette
- liquid inlet
- pipette tip
- accordance
- main body
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 claims abstract description 31
- 230000003287 optical effect Effects 0.000 claims abstract description 14
- 239000000523 sample Substances 0.000 abstract description 21
- 238000001514 detection method Methods 0.000 abstract description 12
- 239000012488 sample solution Substances 0.000 abstract description 9
- 238000012864 cross contamination Methods 0.000 abstract description 3
- 239000013307 optical fiber Substances 0.000 description 7
- 230000005540 biological transmission Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000012088 reference solution Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
- G01N21/03—Cuvette constructions
Landscapes
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Optical Measuring Cells (AREA)
Abstract
The invention discloses a pipette tip type cuvette which is of a tubular structure with an open top, and comprises a main body part and a liquid inlet part arranged at the lower end of the main body part, wherein an inner cavity between the main body part and the liquid inlet part is separated by an optical light-transmitting sheet, a light reflecting layer corresponding to the optical light-transmitting sheet is arranged at the bottom of the inner cavity of the liquid inlet part, a liquid inlet is formed in the side wall of the liquid inlet, and the liquid inlet is positioned between the optical light-transmitting sheet and the light reflecting layer. In the invention, during detection, the liquid inlet part is directly inserted into the sample solution, so that the detection requirement of a trace sample can be met; the sample does not need to be transferred, so that cross contamination is avoided, the operation is simple and convenient, the sample loss is effectively reduced, and the sample loss is effectively avoided.
Description
Technical Field
The invention relates to the technical field of spectrometers, in particular to a pipette tip type cuvette.
Background
The existing cuvette is a cylindrical container with opposing sides that are precision optically transparent for light path penetration. The cuvette is a container for holding a reference solution and a sample solution, is matched with a spectrum analyzer, and is used for measuring substances absorbed in an ultraviolet light region and carrying out quantitative or qualitative analysis on the substances.
When the conventional cuvette is used, a solution needs to be poured into the cuvette, and a sample needs to reach a certain height in the cuvette to meet the detection requirement, so that the detection of a trace sample cannot be met; in addition, the existing cuvette needs to perform sample transfer operation, which can cause cross contamination and loss of samples or even loss of samples in the transfer process, thereby affecting subsequent sample detection.
Therefore, it is very necessary to develop a pipette tip cuvette to meet the detection requirement of micro samples and reduce the sample loss or the occurrence of sample loss.
Disclosure of Invention
The invention aims to provide a pipette tip type cuvette, which solves the problems that in the prior art, trace sample detection cannot be met and sample loss and loss can be caused by sample transfer.
The aim of the invention can be achieved by the following technical scheme:
the utility model provides a pipette gun head formula cell, is open-top's tubular structure, is including main part and setting be in the feed liquor portion of main part lower extreme, the inner chamber between the two separates through the optics light transmission piece, the inner chamber bottom of feed liquor portion be equipped with the corresponding reflector layer of optics light transmission piece, its lateral wall has seted up the inlet, the inlet is located optics light transmission piece with between the reflector layer.
As a further scheme of the invention: the main body part is in a cone shape with thick upper part and thin lower part.
As a further scheme of the invention: the liquid inlet part is integrally cylindrical.
As a further scheme of the invention: the liquid inlets are a plurality of and are symmetrically arranged.
As a further scheme of the invention: the top of the main body part is detachably connected with the handheld spectrometer through the connecting part.
As a further scheme of the invention: the connecting part is integrally a cylindrical connecting sleeve structure, and the connecting sleeve structure is separated into a petal shape through gaps which are uniformly distributed at intervals along the circumferential direction.
As a further scheme of the invention: the top end of the connecting part is of a bevel structure.
As a further scheme of the invention: the side wall of the connecting part is provided with a non-slip protrusion.
As a further scheme of the invention: and a limiting protrusion is arranged at the upper port of the main body part.
As a further scheme of the invention: the cross section of the main body part is circular.
The invention has the beneficial effects that:
(1) In the invention, during detection, the liquid inlet part is directly inserted into the sample solution, and the solution can meet the detection requirement of a trace sample without reaching a certain height;
(2) The invention is directly inserted into the sample solution for detection when in use, does not need sample transfer, avoids cross contamination, is simple and convenient to operate, effectively reduces sample loss, and effectively avoids sample loss.
Drawings
The invention is further described below with reference to the accompanying drawings:
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic view of a partial cross-sectional structure of a cuvette body part according to the present invention;
FIG. 3 is a partial perspective view of the present invention;
wherein the reference numerals are as follows:
1. a main body portion; 2. a liquid inlet part; 3. an optical light-transmitting sheet; 4. a light reflecting layer; 5. a connection part; 51. a non-slip bump.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-2, a pipette tip cuvette with an open-top tubular structure includes a main body 1 and a liquid inlet 2 disposed at the lower end of the main body 1, wherein an inner cavity between the main body and the liquid inlet is separated by an optical transparent sheet 3, a reflective layer 4 corresponding to the optical transparent sheet 3 is disposed at the bottom of the inner cavity of the liquid inlet 2, a liquid inlet is disposed on a side wall of the liquid inlet, and the liquid inlet is disposed between the optical transparent sheet 3 and the reflective layer 4.
The working principle of the invention is as follows:
connecting the connecting part 5 to the lower end of the handheld spectrometer so that the optical fiber head of the handheld spectrometer is arranged in the inner cavity of the connecting part 5 and is positioned above the optical transmission sheet 3;
inserting the liquid inlet part 2 into the sample solution, and allowing the sample solution to enter the inner cavity of the liquid inlet part 2 through a liquid inlet;
the optical fiber head receives light through the cooperation between the optical transmission sheet 3 and the reflecting layer 4, and the handheld spectrometer performs spectrum detection analysis according to the received light;
and directly taking out the liquid inlet part 2 from the sample solution after the detection is finished.
Specifically, the optical light-transmitting sheet 3 separates the inner cavities of the main body part 1 and the liquid inlet part 2, so that the inner cavities of the main body part and the liquid inlet part are not communicated, the optical fiber head is prevented from being contacted with the sample solution, and the optical fiber head of the handheld spectrometer is effectively protected.
The liquid inlet part 2 is directly inserted into the sample solution, so that the operation is simple, and the method is suitable for detecting micro samples; the transfer operation is not needed, the sample loss is reduced, and the problem of sample loss is effectively avoided.
In some of these embodiments, the shape of the liquid inlet includes, but is not limited to, rectangular.
Further, the entire body 1 is tapered with a thicker upper part and a thinner lower part.
In some of these embodiments, the body portion 1 is circular in cross-section.
Further, the liquid inlet portion 2 is entirely cylindrical.
Further, the liquid inlets are a plurality of and are symmetrically arranged.
In some embodiments, the number of the sample inlets is two, and the sample inlets are symmetrically formed on two sides of the liquid inlet part 2.
Further, the top end of the main body part 1 is detachably connected with the handheld spectrometer through a connecting part 5.
Furthermore, the whole connecting part 5 is of a cylindrical connecting sleeve structure, and the connecting sleeve structure is separated into a petal shape through gaps uniformly distributed at intervals along the circumferential direction, so that the connecting part 5 is conveniently sleeved on the handheld spectrometer.
In some of these embodiments, the number of gaps is 4.
In some of these embodiments, the top end of the connecting portion 5 is of a bevel configuration.
Referring to fig. 3, the side wall of the connecting portion 5 is provided with a non-slip protrusion 51, so as to increase the friction force of the side wall of the connecting portion 5, and facilitate the connecting portion 5 to be sleeved on the handheld spectrometer.
Further, in order to prevent the contact of the optical fiber head of the handheld spectrometer and the optical transparent sheet 3 from being pressed, the upper port of the main body part 1 is provided with a limiting bulge, so that limiting fit is formed between the optical fiber head and the handheld spectrometer, the cuvette is prevented from being sleeved into the handheld spectrometer to be impacted with the optical transparent sheet 3 too much in depth, and the optical fiber head is effectively protected.
The foregoing describes one embodiment of the present invention in detail, but the description is only a preferred embodiment of the present invention and should not be construed as limiting the scope of the invention. All equivalent changes and modifications within the scope of the present invention are intended to be covered by the present invention.
Claims (10)
1. A pipette tip cuvette, characterized in that: the liquid inlet is positioned between the optical light-transmitting sheet (3) and the reflecting layer (4) corresponding to the optical light-transmitting sheet (3).
2. A pipette tip cuvette in accordance with claim 1, wherein: the whole body part (1) is in a conical shape with thick upper part and thin lower part.
3. A pipette tip cuvette in accordance with claim 1, wherein: the liquid inlet part (2) is integrally cylindrical.
4. A pipette tip cuvette in accordance with claim 1, wherein: the liquid inlets are a plurality of and are symmetrically arranged.
5. A pipette tip cuvette in accordance with claim 1, wherein: the top end of the main body part (1) is detachably connected with the handheld spectrometer through a connecting part (5).
6. A pipette tip cuvette in accordance with claim 5, wherein: the connecting part (5) is integrally a cylindrical connecting sleeve structure, and the connecting sleeve structure is separated into a petal shape through gaps uniformly distributed at intervals along the circumferential direction.
7. A pipette tip cuvette in accordance with claim 5, wherein: the top end of the connecting part (5) is of a bevel structure.
8. A pipette tip cuvette in accordance with claim 5, wherein: the side wall of the connecting part (5) is provided with a non-slip bulge (51).
9. A pipette tip cuvette in accordance with claim 1, wherein: the upper port of the main body part (1) is provided with a limiting bulge.
10. A pipette tip cuvette in accordance with claim 1, wherein: the cross section of the main body part (1) is circular.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311073178.4A CN117074312B (en) | 2023-08-24 | 2023-08-24 | Pipetting gun head type cuvette |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311073178.4A CN117074312B (en) | 2023-08-24 | 2023-08-24 | Pipetting gun head type cuvette |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN117074312A true CN117074312A (en) | 2023-11-17 |
| CN117074312B CN117074312B (en) | 2024-02-20 |
Family
ID=88713030
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311073178.4A Active CN117074312B (en) | 2023-08-24 | 2023-08-24 | Pipetting gun head type cuvette |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN117074312B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173894Y (en) * | 2008-01-31 | 2008-12-31 | 威海威高生物科技有限公司 | Rubber pipette bulb type color comparison dish |
| CN201173893Y (en) * | 2008-01-31 | 2008-12-31 | 威海威高生物科技有限公司 | Flat-plate capillary pipe cuvette |
| CN201477036U (en) * | 2009-07-22 | 2010-05-19 | 宜兴市晶科光学仪器有限公司 | cuvette |
| CN204330596U (en) * | 2014-12-25 | 2015-05-13 | 厦门大学 | A kind of universal Solid/liquid two purpose fluorescence cuvette |
| CN204594863U (en) * | 2015-05-27 | 2015-08-26 | 温州科技职业学院 | Conjuncted cuvette |
| CN206057179U (en) * | 2016-09-10 | 2017-03-29 | 北京金恒祥仪器有限公司 | Petroleum bloom analyser sample cell |
| CN107096582A (en) * | 2017-04-28 | 2017-08-29 | 四川理工学院 | A kind of novel micro liquid-transfering gun suction nozzle |
| CN109520933A (en) * | 2018-12-18 | 2019-03-26 | 安徽省环境监测中心站 | A kind of cuvette |
| CN210401193U (en) * | 2019-08-28 | 2020-04-24 | 北京飞翔赛思科技有限公司 | Colorimetric ware |
| CN215931658U (en) * | 2021-09-29 | 2022-03-01 | 宁波市宁乐建筑工程检测有限公司 | Spectrophotometer |
-
2023
- 2023-08-24 CN CN202311073178.4A patent/CN117074312B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201173894Y (en) * | 2008-01-31 | 2008-12-31 | 威海威高生物科技有限公司 | Rubber pipette bulb type color comparison dish |
| CN201173893Y (en) * | 2008-01-31 | 2008-12-31 | 威海威高生物科技有限公司 | Flat-plate capillary pipe cuvette |
| CN201477036U (en) * | 2009-07-22 | 2010-05-19 | 宜兴市晶科光学仪器有限公司 | cuvette |
| CN204330596U (en) * | 2014-12-25 | 2015-05-13 | 厦门大学 | A kind of universal Solid/liquid two purpose fluorescence cuvette |
| CN204594863U (en) * | 2015-05-27 | 2015-08-26 | 温州科技职业学院 | Conjuncted cuvette |
| CN206057179U (en) * | 2016-09-10 | 2017-03-29 | 北京金恒祥仪器有限公司 | Petroleum bloom analyser sample cell |
| CN107096582A (en) * | 2017-04-28 | 2017-08-29 | 四川理工学院 | A kind of novel micro liquid-transfering gun suction nozzle |
| CN109520933A (en) * | 2018-12-18 | 2019-03-26 | 安徽省环境监测中心站 | A kind of cuvette |
| CN210401193U (en) * | 2019-08-28 | 2020-04-24 | 北京飞翔赛思科技有限公司 | Colorimetric ware |
| CN215931658U (en) * | 2021-09-29 | 2022-03-01 | 宁波市宁乐建筑工程检测有限公司 | Spectrophotometer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117074312B (en) | 2024-02-20 |
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