CN103424562A - Colorimetric cell rack of spectrophotometer - Google Patents
Colorimetric cell rack of spectrophotometer Download PDFInfo
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- CN103424562A CN103424562A CN2013103435833A CN201310343583A CN103424562A CN 103424562 A CN103424562 A CN 103424562A CN 2013103435833 A CN2013103435833 A CN 2013103435833A CN 201310343583 A CN201310343583 A CN 201310343583A CN 103424562 A CN103424562 A CN 103424562A
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Abstract
The invention discloses a colorimetric cell rack of a spectrophotometer. The colorimetric cell rack comprises a cylindrical rotating rack, and a middle groove is formed in the middle part of the upper end face of the rotating rack. Colorimetric cell position slots used for holding colorimetric cells are uniformly formed in the upper end face of the rotating rack, and first light through holes communicated with the colorimetric cell position slots are radially formed in the outer wall of the rotating rack. The center of the lower end of the rotating rack is provided with a power transmitting block, and a housing is arranged at the upper part of the rotating rack. The colorimetric cell rack realizes the synchronization of sample injection and detection processes, combines an automatic sample injector, greatly shortens the sample testing time, and increases the detecting efficiency. An operation mode adopted by the colorimetric cell rack liberates testers, so that the work that the spectrophotometer is utilized to test samples is easier and more convenient.
Description
Technical field
The present invention relates to a kind of Laboratory Instruments, relate in particular to a kind of spectrophotometric cell rack.
Background technology
Existing spectrophotometer usually after sample making,, need be poured sample and titer in cuvette into as the detecting instrument to sample with spectrophotometer, then puts into the specimen holder of sample chamber, does detection after covering the sample chamber cap again.This mode of operation is relatively lost time, and is difficult for realizing the operation of robotization, and tester's mechanical repetitive operation is too many, and workload is heavy, and therefore numerous testers wish measure and the method for an improvement.
Ameliorative measure to spectrophotometric sampling structure was also arranged in the past, such as " a kind of spectrophotometric injector structure " of Shanghai Xianke Instrument Co., Ltd. (CN101358919B), though its transformation improves to some extent than traditional approach, but be still first sample introduction, solution enters colorimetric device through pipeline and could detect, it still passes through hand sampling simultaneously, and detection time is still long.
Summary of the invention
The present invention, in order to solve weak point of the prior art, provides a kind of sample introduction and detects the spectrophotometric cell rack that carries out simultaneously, improves detection efficiency.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of spectrophotometric cell rack, comprise columniform turret, middle part, turret upper surface is provided with central slot, the turret upper surface evenly is provided for placing the cuvette position groove of cuvette, radially be provided with the first light hole be communicated with cuvette position groove on the turret outer wall, center, turret lower end is provided with the power transmission piece, and turret top is provided with shell.
Described cuvette position groove is provided with odd number, and turret radially is provided with in symmetry one side of each cuvette position groove the second light hole be communicated with central slot, and the second light hole the first light hole corresponding thereto is positioned on the same diameter line of turret.
Described turret lower end is axially arranged with the limbers be communicated with cuvette position groove and central slot respectively.
One side of described turret is connected with automatic sampler.
Described shell comprises the right cylinder be plugged in the middle of central slot, and the right cylinder upper end coaxially is provided with cover plate, and cover plate one side is provided with the lid that can raise and seal, and right cylinder radially is provided with the 3rd light hole connected with the first light hole and the second light hole.
Described power transmission piece is the polygon prism structure.
Adopt technique scheme, the rod-pulling type cell rack that spectrophotometer equipment is traditional is replaced by columniform turret, and special shell is mixed in the turret upper end.The experimenter can carry out rinse on the nearly cuvette position groove (I position) of oneself holding of turret, application of sample, counterclockwise rotate special angle (as five cuvette position grooves by setting turret, be rotated counterclockwise 72o) after, the cuvette (I position) that contains solution to be measured forwards (V position) on spectrophotometric light path to and is measured, on turret, new cuvette position groove (II position) also rotates to experimenter's nearside simultaneously, in the last solution absorbance of equipment Inspection, the experimenter can carry out rinse on new cuvette position groove (II position), application of sample, realize the equipment sample introduction and measure and carry out simultaneously, greatly shortened the detection time of sample, improved detection efficiency.
The present invention is divided into two kinds of manual application of sample and automatic samples, and automatic sample equipment need be matched commercially available automatic sampler, can realize auto injection, has liberated the experimenter, realizes the robotization detected, and the situation effect large to the testing amount is more obvious.
The number of the cuvette position groove on turret is odd number, is evenly distributed on turret, and concrete quantity can be according to the customization of user's detection limit, on the side of ware position with numbering on numerical reference.Numeral can mark clockwise, and turret is rotated counterclockwise; Numeral also can mark counterclockwise, and turret turns clockwise.
Turret integral body is cylindric, and there is columned central slot inside.In turret edge one side, cuvette position groove is arranged, cuvette position groove is the cavity that the cuboid at the end is arranged, and the xsect of cuvette position groove is slightly larger than the cuvette xsect, can facilitate freely picking and placeing of cuvette like this; The first light hole passes through for detecting light path, and the position of the first light hole overlaps with the route that detects the light beam process; Cuvette position trench bottom has limbers, and the solution conveniently spilt flows out from hole; There is the second light hole the position of cuvette position groove offside (Central Symmetry position) along crossing center of circle direction, in order to detect light path, passes through, and the position of the second light hole overlaps with the route that detects the light beam process; Central slot bottom also establish and offer limbers, the solution that conveniently is splashed into cavity flows out from hole; The bottom center of turret is provided with the power transmission piece of triangular prism shape, can interventional instrument below for the turret rotation provides the triangle groove of power, drive the rotation of turret.
Below turret, the bottom design of equipment has permeable hole, supplies the solution of careless access arrangement to flow to the equipment outside from permeable hole; Disposable box is arranged below permeable hole, collect the solution flowed out from equipment, regularly outwell the solution in disposable box.
The shell of equipment is arranged at the turret top, fix a right cylinder on shell, cylinder diameter is slightly less than the internal diameter of central slot, the 3rd light hole that radially runs through the center of circle is arranged on right cylinder, the 3rd light hole is that the direction of the 3rd light hole overlaps with the direction that detects the light beam process in order to detect light beam by staying.On device housings, (top, the ware position of near operation end on turret, as top, I position) has a lid, and during detection, this lid is open mode, conveniently the cuvette on turret is carried out the operations such as rinse, application of sample; After detecting end, this lid is closed, avoid the dust and other impurities access arrangement.
The sample introduction of spectrophotometer equipment can hand sampling and auto injection, and automatic sample equipment need be matched commercially available automatic sampler.The every operation of equipment (comprising the record of testing result, the rotation of turret, the automatic sampler working condition of apolegamy etc.) is by chip controls and the record of equipment.
Cuvette in the cuvette position groove of turret is cuvette commonly used, sample by spectrophotometric visible ray, ultraviolet light etc. in the cuvette transparent to both sides is tested, in the instrument test solution absorbance, the tester can pour out the sample of having tested from cuvette, rinsed again or other testing sample solution is poured in cuvette, detecting the position of light path in the turret rotation is tested, so according to the rotation of turret, repeatedly carry out sample introduction and detection, carry out when realizing sample introduction and detection.After the preparation automatic sampler, can siphon away the solution detected in cuvette by automatic sampler, rinsed or other testing sample solution is injected to cuvette, without tester's manual operation.
Specific works use procedure of the present invention is: at first will add contrast solution in cuvette, detected one by one and recorded the absorbance of each cuvette by equipment; The standard solution that adds again object, detect one by one and record the absorbance of each cuvette by equipment, the absorbance of standard solution is deducted to the absorbance that this cuvette is contained contrast solution, according to the concentration of both differences and standard solution, the drawing standard curve; Finally, add testing sample solution, detect one by one and record the absorbance of each cuvette by equipment, the absorbance of sample solution is deducted to the absorbance that this cuvette is contained contrast solution, obtain the concentration of this sample according to both differences on typical curve.
The present invention has realized that sample introduction and testing process carry out simultaneously, in conjunction with automatic sampler, has shortened widely the sample test time, has improved detection efficiency.Mode of operation of the present invention, liberated the tester, makes the work that utilizes the spectrophotometer specimen seem more light and convenient.
The accompanying drawing explanation
Fig. 1 is that the present invention is arranged on the structural representation on spectrophotometer equipment;
Fig. 2 is the structural representation of turret in Fig. 1;
Fig. 3 is the vertical view of Fig. 2;
Fig. 4 is the structural representation of Fig. 1 housing;
Fig. 5 is the vertical view of Fig. 4;
Fig. 6 is the left view of Fig. 4.
Embodiment
As shown in Fig. 1～Fig. 6, a kind of spectrophotometric cell rack of the present invention, comprise columniform turret 1, turret 1 middle part, upper surface is provided with central slot 15, turret 1 upper surface evenly is provided for placing the cuvette position groove 11 of cuvette, radially be provided with the first light hole 12 be communicated with cuvette position groove 11 on turret 1 outer wall, turret 1 center, lower end is provided with power transmission piece 16, power transmission piece 16 is the polygon prism structure, the present embodiment adopts the regular triangular prism structure, and turret 1 top is provided with shell 2.
Turret 1 lower end is axially arranged with the limbers 13 be communicated with cuvette position groove 11 and central slot 15 respectively.
One side of turret 1 is connected with the automatic sampler 3 be located on spectrophotometer equipment 4.
By spectrophotometer equipment 4, traditional rod-pulling type cell rack is replaced by columniform turret 1, and special shell 2 is mixed in turret 1 upper end.The experimenter can turret 1 near oneself the end groove 11(I position, cuvette position) on carry out rinse, application of sample, counterclockwise rotate special angle (as five cuvette position grooves 11 by setting turret 1, be rotated counterclockwise 72o) after, the cuvette (I position) that contains solution to be measured forwards (V position) on spectrophotometric light path to and is measured, new groove 11(II position, cuvette position on while turret 1) also rotate to experimenter's nearside, in the last solution absorbance of equipment Inspection, the experimenter can be in new groove 11(II position, cuvette position) on carry out rinse, application of sample, realize the equipment sample introduction and measure and carry out simultaneously, greatly shortened the detection time of sample, improved detection efficiency.
The present invention is divided into two kinds of manual application of sample and automatic samples, and automatic sample equipment need be matched commercially available automatic sampler 3, can realize auto injection, has liberated the experimenter, realizes the robotization detected, and the situation effect large to the testing amount is more obvious.
The number of the cuvette position groove 11 on turret 1 is odd number, is evenly distributed on turret 1, and concrete quantity can be according to the customization of user's detection limit, on the side of ware position with numbering on numerical reference.Numeral can mark clockwise, and turret 1 is rotated counterclockwise; Numeral also can mark counterclockwise, and turret 1 turns clockwise.
Turret 1 integral body is cylindric, and there is columned central slot 15 inside.In turret 1 edge one side, cuvette position groove 11 is arranged, cuvette position groove 11 is the cavity that the cuboid at the end is arranged, and the xsect of cuvette position groove 11 is slightly larger than the cuvette xsect, can facilitate so freely picking and placeing of cuvette; The first light hole 12 passes through for detecting light path, and the position of the first light hole 12 overlaps with the route that detects the light beam process; Limbers 13 is arranged at groove 11 bottoms, cuvette position, and the solution conveniently spilt flows out from hole; There is the second light hole 14 position (Central Symmetry position) of cuvette position groove 11 offsides along crossing center of circle direction, in order to detect light path, passes through, and the position of the second light hole 14 overlaps with the route that detects the light beam process; Central slot 15 bottom also establish and offer limbers 13, the solution that conveniently is splashed into cavity flows out from hole; The bottom center of turret 1 is provided with the power transmission piece 16 of triangular prism shape, can interventional instrument below for turret 1 rotation provides the triangle groove of power, drive the rotation of turret 1.
Below turret 1, the bottom design of equipment has permeable hole, supplies the solution of careless access arrangement to flow to the equipment outside from permeable hole; Disposable box is arranged below permeable hole, collect the solution flowed out from equipment, regularly outwell the solution in disposable box.
The shell 2 of equipment is arranged at turret 1 top, fix a right cylinder 22 on shell 2, right cylinder 22 diameters are slightly less than the internal diameter of central slot 15, the 3rd light hole 23 that radially runs through the center of circle is arranged on right cylinder 22, the 3rd light hole 23 is that the direction of the 3rd light hole 23 overlaps with the direction that detects the light beam process in order to detect light beam by staying.On device housings 2, (top, the ware position of near operation end on turret 1, as top, I position) has a lid 24, and during detection, this lid 24 is open mode, conveniently the cuvette on turret 1 is carried out the operations such as rinse, application of sample; After detecting end, this lid 24 is closed, avoid the dust and other impurities access arrangement.
The sample introduction of spectrophotometer equipment 4 can hand sampling and auto injection, and automatic sample equipment need be matched commercially available automatic sampler 3.The every operation of equipment (comprising the record of testing result, the rotation of turret 1, automatic sampler 3 working conditions of apolegamy etc.) is by chip controls and the record of equipment.
Cuvette in the cuvette position groove 11 of turret 1 is cuvette commonly used, sample by spectrophotometric visible ray, ultraviolet light etc. in the cuvette transparent to both sides is tested, in the instrument test solution absorbance, the tester can pour out the sample of having tested from cuvette, rinsed again or other testing sample solution is poured in cuvette, detecting the position of light path in turret 1 rotation is tested, so according to the rotation of turret 1, repeatedly carry out sample introduction and detection, carry out when realizing sample introduction and detection.After preparation automatic sampler 3, can siphon away the solution detected in cuvette by automatic sampler 3, rinsed or other testing sample solution is injected to cuvette, without tester's manual operation.
Specific works use procedure of the present invention is: at first will add contrast solution in cuvette, detected one by one and recorded the absorbance of each cuvette by equipment; The standard solution that adds again object, detect one by one and record the absorbance of each cuvette by equipment, the absorbance of standard solution is deducted to the absorbance that this cuvette is contained contrast solution, according to the concentration of both differences and standard solution, the drawing standard curve; Finally, add testing sample solution, detect one by one and record the absorbance of each cuvette by equipment, the absorbance of sample solution is deducted to the absorbance that this cuvette is contained contrast solution, obtain the concentration of this sample according to both differences on typical curve.
The present embodiment is not done any pro forma restriction to shape of the present invention, material, structure etc.; any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all belong to the protection domain of technical solution of the present invention.
Claims (6)
1. a spectrophotometric cell rack, it is characterized in that: comprise columniform turret, middle part, turret upper surface is provided with central slot, the turret upper surface evenly is provided for placing the cuvette position groove of cuvette, radially be provided with the first light hole be communicated with cuvette position groove on the turret outer wall, center, turret lower end is provided with the power transmission piece, and turret top is provided with shell.
2. a kind of spectrophotometric cell rack according to claim 1, it is characterized in that: described cuvette position groove is provided with odd number, turret radially is provided with in symmetry one side of each cuvette position groove the second light hole be communicated with central slot, and the second light hole the first light hole corresponding thereto is positioned on the same diameter line of turret.
3. a kind of spectrophotometric cell rack according to claim 1 and 2, it is characterized in that: described turret lower end is axially arranged with the limbers be communicated with cuvette position groove and central slot respectively.
4. a kind of spectrophotometric cell rack according to claim 1 and 2, it is characterized in that: a side of described turret is connected with automatic sampler.
5. a kind of spectrophotometric cell rack according to claim 2, it is characterized in that: described shell comprises the right cylinder be plugged in the middle of central slot, the right cylinder upper end coaxially is provided with cover plate, cover plate one side is provided with the lid that can raise and seal, and right cylinder radially is provided with the 3rd light hole connected with the first light hole and the second light hole.
6. a kind of spectrophotometric cell rack according to claim 1 and 2, it is characterized in that: described power transmission piece is the polygon prism structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310343583.3A CN103424562B (en) | 2013-08-07 | 2013-08-07 | Colorimetric cell rack of spectrophotometer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310343583.3A CN103424562B (en) | 2013-08-07 | 2013-08-07 | Colorimetric cell rack of spectrophotometer |
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| Publication Number | Publication Date |
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| CN103424562A true CN103424562A (en) | 2013-12-04 |
| CN103424562B CN103424562B (en) | 2014-05-14 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310343583.3A Active CN103424562B (en) | 2013-08-07 | 2013-08-07 | Colorimetric cell rack of spectrophotometer |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535512A (en) * | 2014-12-15 | 2015-04-22 | 哈尔滨工程大学 | Device capable of testing transmission absorption spectrum of multiple physical liquid combinations |
| CN105223136A (en) * | 2015-10-28 | 2016-01-06 | 南京农业大学 | A kind of anti-pollution cuvette |
| CN106769863A (en) * | 2016-12-14 | 2017-05-31 | 成都锦汇科技有限公司 | A kind of cuvette apparatus for placing |
| CN112666100A (en) * | 2020-11-30 | 2021-04-16 | 浙江必利夫检测科技有限公司 | Spectrophotometer for detecting ozone and determination method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2082414U (en) * | 1990-08-29 | 1991-08-07 | 山东农业大学 | Multifunctional photo-electric colorimeter |
| CN2854576Y (en) * | 2005-09-16 | 2007-01-03 | 北京普析通用仪器有限责任公司 | Sample pit support of multipurpose spectral instrument |
| CN102680401A (en) * | 2012-05-21 | 2012-09-19 | 广西工学院 | Cuvette device |
| CN202548050U (en) * | 2012-03-31 | 2012-11-21 | 深圳市希莱恒医用电子有限公司 | Semi-automatic biochemical colorimetric system |
-
2013
- 2013-08-07 CN CN201310343583.3A patent/CN103424562B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2082414U (en) * | 1990-08-29 | 1991-08-07 | 山东农业大学 | Multifunctional photo-electric colorimeter |
| CN2854576Y (en) * | 2005-09-16 | 2007-01-03 | 北京普析通用仪器有限责任公司 | Sample pit support of multipurpose spectral instrument |
| CN202548050U (en) * | 2012-03-31 | 2012-11-21 | 深圳市希莱恒医用电子有限公司 | Semi-automatic biochemical colorimetric system |
| CN102680401A (en) * | 2012-05-21 | 2012-09-19 | 广西工学院 | Cuvette device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104535512A (en) * | 2014-12-15 | 2015-04-22 | 哈尔滨工程大学 | Device capable of testing transmission absorption spectrum of multiple physical liquid combinations |
| CN104535512B (en) * | 2014-12-15 | 2017-04-12 | 哈尔滨工程大学 | Device capable of testing transmission absorption spectrum of multiple physical liquid combinations |
| CN105223136A (en) * | 2015-10-28 | 2016-01-06 | 南京农业大学 | A kind of anti-pollution cuvette |
| CN105223136B (en) * | 2015-10-28 | 2017-09-05 | 南京农业大学 | A kind of anti-pollution cuvette |
| CN106769863A (en) * | 2016-12-14 | 2017-05-31 | 成都锦汇科技有限公司 | A kind of cuvette apparatus for placing |
| CN112666100A (en) * | 2020-11-30 | 2021-04-16 | 浙江必利夫检测科技有限公司 | Spectrophotometer for detecting ozone and determination method |
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|---|---|
| CN103424562B (en) | 2014-05-14 |
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