CN208383719U - A kind of sampling system of atomic fluorescence spectrophotometer - Google Patents
A kind of sampling system of atomic fluorescence spectrophotometer Download PDFInfo
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- CN208383719U CN208383719U CN201820978733.6U CN201820978733U CN208383719U CN 208383719 U CN208383719 U CN 208383719U CN 201820978733 U CN201820978733 U CN 201820978733U CN 208383719 U CN208383719 U CN 208383719U
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Abstract
A kind of sampling system of atomic fluorescence spectrophotometer, reaction monitoring is carried out for sample liquid to be sent into gas-liquid separation chamber, it is rotatably provided on shell including shell, sample disc, sampler, current-carrying bottle and sample injector, sample disc, is provided with multiple cuvette grooves for holding test tubes；Sampler includes sampling probe, and sampling probe is used to draw the sample liquid in test tube；Current-carrying bottle is for storing current-carrying liquid；Sample injector, allow hand over sampling state and sample introduction state, including six-way valve and quantitative column, six-way valve is provided with sample liquid import, the import of current-carrying liquid, sample liquid outlet, waste liquid outlet, quantitative column input port and quantitative column delivery outlet, the six-way valve of sampling state and sample introduction state is allowed hand over by being arranged, sample liquid is separated with the pipeline that enters of current-carrying liquid, the mutual pollution during sample introduction is avoided, influences experimental data.
Description
Technical field
The utility model belongs to field of chemical equipment, and in particular to a kind of sampling system of atomic fluorescence spectrophotometer.
Background technique
Atomic fluorescence spectrometry (AFS) because of characteristics such as chemical vapors separation, non-dispersive optical systems, be measurement micro amount of arsenic,
One of most successful analysis method of the elements such as mercury, frequently involves in textile detection industry.Current atom fluophotometer into
The common sample introduction process of sampling device is all the sample liquid for first passing through sampling probe and drawing certain time, then sampling probe is moved into current-carrying liquid
The mode for drawing current-carrying carrys out sample introduction, and on the one hand such process can make sample injection time longer, another aspect sampling probe is in sample
Replace switching between current-carrying, is easy pollution current-carrying and causes evaluated error, and sampling probe swings back and forth, and sampling probe is be easy to cause to roll over
It is disconnected, it is further improved.
Utility model content
The shortcomings that the purpose of the utility model is to overcome the prior arts provides a kind of atomic fluorescence light for improving sample introduction efficiency
Spend the sampling system of meter.
The utility model adopts the following technical solution:
A kind of sampling system of atomic fluorescence spectrophotometer carries out reaction monitoring, packet for sample liquid to be sent into gas-liquid separation chamber
It includes shell, sample disc, sampler, current-carrying bottle and sample injector, sample disc to be rotatably provided on shell, is provided with multiple use
In the cuvette groove of holding test tubes；Sampler includes sampling probe, and sampling probe is used to draw the sample liquid in test tube；Current-carrying bottle is for storing
Current-carrying liquid；Sample injector allows hand over sampling state and sample introduction state, including six-way valve and quantitative column, six-way valve are provided with sample liquid
Import, the import of current-carrying liquid, sample liquid outlet, waste liquid outlet, quantitative column input port and quantitative column delivery outlet, the sample liquid import with take
The connection of sample needle, the current-carrying liquid import are connect with current-carrying bottle, and the sample liquid outlet is connect with gas-liquid separation chamber, the input of quantitative column
End is connect with quantitative column inlet, and the output end of quantitative column is connect with the outlet of quantitative column；Quantitative column is used to measure the sample liquid entered
Amount.
Further, the six-way valve includes valve body and third motor, and the sample liquid import, the import of current-carrying liquid, sample liquid go out
Mouth, waste liquid outlet, quantitative column input port and quantitative column delivery outlet are arranged on valve body, and third motor is for driving valve body rotation to make
Six-way valve is obtained to switch between sampling state and sample introduction state.
Further, the sample liquid import, the import of current-carrying liquid, sample liquid outlet, waste liquid outlet, quantitative column input port and quantitative
Column delivery outlet is uniformly distributed on the same circumference, and the sample liquid import, the import of current-carrying liquid, sample liquid outlet, is determined at quantitative column input port
Amount column delivery outlet and waste liquid outlet are arranged successively along clockwise direction.
Further, the valve body has spaced three pipelines, each when the six-way valve is in any state
Pipeline can be connected to two interfaces positioned at the pipeline both ends.
Further, when the six-way valve is in sampling state, sample liquid import connect with quantitative column input port, current-carrying liquid into
Mouth is with sample liquid outlet connection and quantitative column delivery outlet is connect with waste liquid port.
Further, when the six-way valve is in sample introduction state, the import of current-carrying liquid with quantitative column input port is connect, sample liquid goes out
Mouth is connect with quantitative column delivery outlet and sample liquid import is connect with waste liquid port.
Further, the sampler includes support, moving arm and driving device, and moving arm can move up and down setting and prop up
On seat, the sampling probe, which can move left and right, to be arranged on moving arm；Driving device includes drive moving arm to move up and down first
The second driving assembly that driving assembly and driving sampling probe move left and right.
Further, the length of the moving arm is greater than the length of sample disc radius.
Further, the sample disc includes the shaft being fixed on shell, is arranged in shaft and can turn with shaft
4th motor of dynamic disk body and setting drive shaft rotation in the housing is provided with the resigning passed through for shaft on the disk body
Hole.
Further, multiple cuvette groove circle distributions are on disk body.
From the above description of the utility model, it can be seen, compared with prior art, the utility model has the beneficial effects that it is logical
The six-way valve that setting allows hand over sampling state and sample introduction state is crossed, and six-way valve is provided with sample liquid import, the import of current-carrying liquid, sample
Sample liquid is separated with the pipeline that enters of current-carrying liquid, is avoided by liquid outlet, waste liquid outlet, quantitative column input port and quantitative column delivery outlet
Mutual pollution during sample introduction, influences experimental data；Sample injector includes quantitative column, for measuring the sample liquid amount entered, is made
Sample volume is more accurate, and experimental data is more accurate；Sampler includes support, moving arm, sampling probe and driving device, passes through branch
Seat, moving arm and driving device drive sampling probe to move up and down, move left and right, and the absorption to multiple groups sample liquid can be completed, save
Sampling probe swings back and forth, and solves the problems, such as to easily snap off in sampling probe use process.
Detailed description of the invention
Fig. 1 is the concrete structure schematic diagram of the utility model；
Fig. 2 is the schematic diagram that six-way valve is in sampling state；
Fig. 3 is the schematic diagram that six-way valve is in sample introduction state；
Fig. 4 is the structure sectional view of sampler；
In figure, 1- shell, 2- sample disc, 3- sampler, 4- sampler, 5- current-carrying bottle, 6- peristaltic pump, the first hose of 7-,
The second hose of 8-, 9- third hose, 0- waste liquid barrel, 21- cuvette groove, 22- disk body, 23- shaft, 221- relief hole, 31- support,
32- moving arm, 33- sampling probe, the first driving assembly of 34-, the second driving assembly of 35-, 311- first movement channel, 321- second
Movable passageway, 341- first motor, 342- first gear, 343- third rack gear, the second motor of 351-, 352- second gear,
The second rack gear of 353-, 41- valve body, 42- quantify column, the import of 411- sample liquid, 412- quantify column input port, the import of 413- current-carrying liquid,
The outlet of 414- sample liquid, 415- quantify column delivery outlet, 416- waste liquid outlet, 417- pipeline, 421- input terminal, 422- output end.
Specific embodiment
Below by way of specific embodiment, the utility model will be further described.
Referring to figs. 1 to 4, a kind of sampling system of atomic fluorescence spectrophotometer, for sample liquid to be sent into gas-liquid separation
Room carries out reaction detection, including shell 1, sample disc 2, sampler 3, current-carrying bottle 5, sample injector 4 and peristaltic pump 6,
Sample disc 2 is rotatably provided on shell 1, is provided with multiple cuvette grooves 21 for holding test tubes, specifically
, sample disc 2 includes the shaft 23 being fixed on shell 1,22 and of disk body rotated in shaft 23 with shaft 23 is arranged in
The 4th motor (not shown) that drive shaft 23 rotates within the case 1 is set, and cuvette groove 21 is arranged on disk body 22, from disk
The top surface of body 22 is extended downwardly along the short transverse of disk body 22, further, is provided on disk body 22 and is allowed for what shaft 23 passed through
Position hole 221, multiple 21 circle distributions of cuvette groove are on disk body 2；
Sampler 3 be arranged on shell 1, including be arranged on shell 1 support 31, can move up and down be arranged in support 31
On moving arm 32, can move left and right be arranged on moving arm 32 for draw sample liquid in test tube sampling probe 33 and driving dress
It sets, driving device includes that the first driving assembly 34 being arranged in support 31 for driving moving arm 32 to move up and down exists with setting
The second driving assembly 35 in moving arm 32 for driving sampling probe 33 to move left and right, specifically, being provided on support 31 for moving
The first movement channel 311 that swing arm 32 moves up and down, be provided on moving arm 32 moved left and right for sampling probe 33 it is second mobile
Channel 321, the top and bottom of moving arm 32 are arranged in the second movable passageway 321, and the length of moving arm 32 is greater than disk body 22
The length of radius, further, the first driving assembly 34 include setting in the holder 31 first motor 341, be connected to first
The first gear 342 of 341 output end of motor and with mutually matched first rack gear 343 of first gear 342, the first rack gear 343
One end is connect with moving arm 32, drives movement by the mutual cooperation of first motor 341, first gear 342 and the first rack gear 343
Arm 32 moves up and down；Second driving assembly 35 includes the second motor 351 being arranged in moving arm 32, is connected to the second motor
The second gear 352 of 351 output ends and with mutually matched second rack gear 353 of second gear 352, one end of the second rack gear 353
It is connect with sampling probe 33, sampling is driven by the mutual cooperation between the second motor 351, second gear 352 and the second rack gear 353
Needle 33 moves left and right.
Current-carrying bottle 5 is arranged on shell 1, for storing current-carrying liquid, is provided with the liquid outlet gone out for current-carrying liquid stream.
Sample injector 4 is arranged on shell 1, allows hand over sampling state and sample introduction state, including six-way valve and quantitative column 42.
Six-way valve includes valve body 41 and third motor (not shown), is provided with sample liquid import 411, current-carrying on valve body 41
Liquid import 413, sample liquid outlet 414, waste liquid outlet 416, quantitative column input port 412 and quantitative column delivery outlet 415, sample liquid import
Pass through the connection connection of the first hose 7 between 411 and sampling probe 33；Pass through between current-carrying liquid import 413 and the liquid outlet of current-carrying bottle 5
The connection of second hose 8；Sample liquid outlet 414 is connect with gas-liquid separation chamber；Waste liquid outlet 416 is connect with waste liquid barrel 0, by the more of absorption
Remaining sample liquid is discharged into waste liquid barrel 0, is connected between waste liquid outlet 416 and waste liquid barrel 0 by third hose 9；Quantitative column input port 412
It is connect with the input terminal 421 of quantitative column 42；Quantitative column delivery outlet 415 is connect with the output end 422 of quantitative column 42, specifically, valve
There is spaced three pipelines 417, when six-way valve is in any state, each pipeline 417 can be connected to position inside body 41
Two interfaces in 417 left and right ends of pipeline, further, sample liquid import 411, current-carrying liquid import 413, sample liquid outlet 414,
Waste liquid outlet 416, quantitative column delivery outlet 415 and quantitative column input port 412 are uniformly distributed on the same circumference, and sample liquid import
411, quantitative column input port 412, current-carrying liquid import 413, sample liquid outlet 414, quantitative 416 edge of column delivery outlet 415 and waste liquid outlet
It is arranged successively clockwise.
For quantitative column 42 for measuring sample liquid, accurate metering enters the sample liquid of gas-liquid separation chamber, be provided with output end 421 with it is defeated
Enter end 422.
Third motor is for driving the rotation of valve body 41 so that six-way valve switches between sampling state and sample introduction state, specifically
, when six-way valve is in sampling state, sample liquid import 411 connect with quantitative column input port 412, current-carrying liquid import 413 and sample liquid
Outlet 414 connects and quantitative column delivery outlet 415 is connect with waste liquid port 415；Six-way valve source is when sample introduction state, current-carrying liquid import
413 connect with quantitative column input port 412, sample liquid outlet 414 with quantify column delivery outlet 415 and connect and sample liquid import 411 and waste liquid
416 connection of outlet.
Peristaltic pump 6 is arranged on shell 1, and there are three card slot (not shown)s, respectively the first card slot, second for setting
Card slot and third card slot, specifically, the first hose 7 is arranged in the first card slot, one end is connect with sample liquid import 411, another
End is connect with sampling probe 33, so that the sample liquid in test tube is passed through sampling probe 33 by peristaltic pump 6 and is entered six by sample liquid import 411
In port valve；Second hose 8 is arranged in the second card slot, and one end is connect with the liquid outlet of current-carrying bottle 5, the other end and current-carrying liquid into
Mouth 413 connects, and flows into the current-carrying liquid in current-carrying bottle 5 smoothly in six-way valve by peristaltic pump 6；Third hose 9 is arranged in third
In card slot, one end is connect with waste liquid outlet 416, and the other end is connect with waste liquid barrel 0, and it is extra in six-way valve to be made by peristaltic pump 6
Sample liquid smoothly flow into waste liquid barrel 0, specifically, peristaltic pump 6 is common a kind of pump in atom photometer, specific structure with
Working principle belongs to the prior art, does not remake here and further repeats.
In use, six-way valve is made to be in sampling state, sample liquid is entered in quantitative column 42 by sampling probe 33, extra sample liquid
It is discharged into waste liquid barrel 0 by waste liquid outlet 416, then rotates six-way valve and be at sample introduction state, current-carrying liquid, which passes through to enter, to be determined
In amount column 42 and reaction detection will be carried out in the sample liquid push-in gas-liquid separation chamber in quantitative column 42, after having detected, passes through rotating disc
Body 22 can carry out the sample liquid detection in another test tube.
The present apparatus drives sampling probe 33 to move up and down, move left and right by support 31, moving arm 32 and driving device
The absorption to multiple groups sample liquid is completed, sampling probe 33 is eliminated and swings back and forth, solve and easily snapped off in 33 use process of sampling probe
The problem of；By the way that sample injector 4 is arranged, sample liquid is separated with the pipeline that enters of current-carrying liquid, avoids the pollution during sample introduction, and
It is provided with quantitative column 42, keeps sample volume more accurate, experimental data is more accurate.
The above, the only preferred embodiment of the utility model, therefore the utility model implementation cannot be limited with this
Range should still belong to this that is, according to equivalent changes and modifications made by present utility model application the scope of the patents and description
In the range of utility model patent is covered.
Claims (10)
1. a kind of sampling system of atomic fluorescence spectrophotometer carries out reaction monitoring for sample liquid to be sent into gas-liquid separation chamber, special
Sign is: being rotatably provided on shell including shell, sample disc, sampler, current-carrying bottle and sample injector, sample disc, sets thereon
It is equipped with multiple cuvette grooves for holding test tubes；Sampler includes sampling probe, and sampling probe is used to draw the sample liquid in test tube；Current-carrying
Bottle is for storing current-carrying liquid；Sample injector allows hand over sampling state and sample introduction state, including six-way valve and quantitative column, six-way valve
It is provided with sample liquid import, the import of current-carrying liquid, sample liquid outlet, waste liquid outlet, quantitative column input port and quantitative column delivery outlet, the sample
Liquid import is connect with sampling probe, and the current-carrying liquid import is connect with current-carrying bottle, and the sample liquid outlet is connect with gas-liquid separation chamber, fixed
The input terminal for measuring column is connect with quantitative column inlet, and the output end of quantitative column is connect with the outlet of quantitative column；Quantitative column is for measuring
The sample liquid amount of entrance.
2. a kind of sampling system of atomic fluorescence spectrophotometer according to claim 1, it is characterised in that: the six-way valve packet
Valve body and third motor are included, the sample liquid import, sample liquid outlet, waste liquid outlet, quantifies column input port and quantifies the import of current-carrying liquid
Column delivery outlet is arranged on valve body, third motor for drive valve body to rotate so that six-way valve sampling state and sample introduction state it
Between switch.
3. a kind of sampling system of atomic fluorescence spectrophotometer according to claim 2, it is characterised in that: the sample liquid into
Mouth, the import of current-carrying liquid, sample liquid outlet, waste liquid outlet, quantitative column input port and quantitative column delivery outlet are evenly distributed on same circumference
On, the sample liquid import, quantitative column input port, the import of current-carrying liquid, sample liquid outlet, quantitative column delivery outlet and waste liquid outlet are along up time
Needle direction is arranged successively.
4. a kind of sampling system of atomic fluorescence spectrophotometer according to claim 3, it is characterised in that: the valve body has
Spaced three pipelines, when the six-way valve is in any state, each pipeline can be connected to positioned at the pipeline both ends
Two interfaces.
5. a kind of sampling system of atomic fluorescence spectrophotometer according to any one of claims 1 to 4, it is characterised in that: institute
When stating six-way valve and being in sampling state, sample liquid import connect with quantitative column input port, the import of current-carrying liquid and sample liquid export connect and
Quantitative column delivery outlet is connect with waste liquid port.
6. a kind of sampling system of atomic fluorescence spectrophotometer according to any one of claims 1 to 4, it is characterised in that: institute
When stating six-way valve and being in sample introduction state, the import of current-carrying liquid connect with quantitative column input port, sample liquid outlet and quantitative column delivery outlet company
It connects and sample liquid import is connect with waste liquid port.
7. a kind of sampling system of atomic fluorescence spectrophotometer according to any one of claims 1 to 4, it is characterised in that: institute
Stating sampler includes support, moving arm and driving device, and moving arm can move up and down setting on the support, and the sampling probe can be left
It moves right and is arranged on moving arm；Driving device includes the first driving assembly for driving moving arm to move up and down and driving sampling probe
The second driving assembly moved left and right.
8. a kind of sampling system of atomic fluorescence spectrophotometer according to claim 7, it is characterised in that: the moving arm
Length is greater than the length of sample disc radius.
9. a kind of sampling system of atomic fluorescence spectrophotometer according to any one of claims 1 to 4, it is characterised in that: institute
Sample disc is stated to include the shaft being fixed on shell, the disk body that can be rotated with shaft in shaft is arranged in and is arranged in shell
4th motor of middle drive shaft rotation is provided with the relief hole passed through for shaft on the disk body.
10. a kind of sampling system of atomic fluorescence spectrophotometer according to claim 9, it is characterised in that: multiple examinations
Tube seat circle distribution is on disk body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820978733.6U CN208383719U (en) | 2018-06-25 | 2018-06-25 | A kind of sampling system of atomic fluorescence spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820978733.6U CN208383719U (en) | 2018-06-25 | 2018-06-25 | A kind of sampling system of atomic fluorescence spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208383719U true CN208383719U (en) | 2019-01-15 |
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ID=64964390
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820978733.6U Active CN208383719U (en) | 2018-06-25 | 2018-06-25 | A kind of sampling system of atomic fluorescence spectrophotometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208383719U (en) |
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2018
- 2018-06-25 CN CN201820978733.6U patent/CN208383719U/en active Active
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