CN207764109U - A kind of microfluidic liquid sample pool for dynamic spectrum detection and analysis - Google Patents
A kind of microfluidic liquid sample pool for dynamic spectrum detection and analysis Download PDFInfo
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- CN207764109U CN207764109U CN201721848083.5U CN201721848083U CN207764109U CN 207764109 U CN207764109 U CN 207764109U CN 201721848083 U CN201721848083 U CN 201721848083U CN 207764109 U CN207764109 U CN 207764109U
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Abstract
The utility model discloses a kind of microfluidic liquid sample pools for dynamic spectrum detection and analysis, and the microfluidic sample cell includes magnetic induction rotation system, motor drive and control system and sample cell system.The sample cell designs simple, compact-sized, using flexible and occupied space very little, suitable for being placed in the light path of instrument；The sample cell is since the sample containment space of restriction is small, is suitable for carrying out optical measurement to micro-example；Good airproof performance, anticorrosive property are suitable for volatile, high corrosion sample measurement；The sample cell may make all samples smooth flow in the accommodation space of its restriction, and there is no fluid stagnation areas, avoid or reduce signal noise caused by sample turbulent flow；Rotor uses the structure design of teflon-coated, while avoiding rotor by sample etches, also avoids rotor contaminated samples；For convenience detach and cleaning, the influence to light path of optical spectrometer is very small, is measured convenient for being repeated several times.
Description
Technical field
The utility model is related to spectral detections to analyze used instrument and equipment technical field, more particularly to a kind of for moving
The microfluidic liquid sample pool of state spectral detection analysis.
Background technology
In order to obtain the chemical bond or functional group's information of organic molecule, it is often necessary to carry out the measurement of spectrum to it.And
For fluid sample, traditional detection method is to utilize liquid-film method, and fluid sample is made to film as defined in meeting and carries out light again
The measurement of spectrum, but liquid-film method is only applicable to non-volatile sample, due to the nonpolar solvent contact angle of non-volatile sample
It is too small, it is not easy to form liquid film, it is difficult to satisfactory film be made；And due to manually-operated uncertainty, obtained knot
Fruit application condition is big, is often only used for qualitative analysis.
A kind of flowing sample cell is disclosed in the prior art, i.e., sample is successively inputted to sample cell by pipeline and pump
In cuvette, and the flowing of sample is kept, to acquire dynamic spectrum.But for highly viscous fluid, due to spectral signal
There are certain hysteresis qualitys for acquisition, and need larger sample volume, when causing using such flowing sample cell, test
Sensitivity and precision are relatively low；Moreover, the sample cell of large capacity is not suitable for valuable rare sample yet.
When sample volume to be analyzed is smaller, such as 5 microlitres or less volume, conventional sample cell then have limitation
Property.Light is depended on across the amount of the light of sample cell projection and is contained in the interaction of analyte in sample cell.How to keep high
While sensitivity, the size of sample cell is reduced, is a challenge to accommodate minimal amount of sample volume.In addition, preparing corpusculum
Long-pending sample cell is there is also being difficult to fill and being easy to generate bubble, the problems such as to influence optical measurement and analysis.Especially needle
To laser spectral analysis, in the case where high energy laser irradiates for a long time, to keep the stability of test result, need sample continuous
Ground flows, and the sample cell of small size is more difficult to realize.In short, currently used sample cell needs to consider that following three is big
Restricted problem：(1) it must take into consideration influence of the solvent to reaction and to spectrometric interference；(2) it needs to examine in quantitative determination
Consider the configuration process of sample solution and its error of introducing；(3) temperature also needs to consider solvent volatilization or the production of its steam compared with relative superiority or inferiority
Raw high pressure harm.
Utility model content
In order to overcome the prior art, stability is poor, structure is multiple being carried out present in laser spectrum measurement to liquid sample
Miscellaneous, the problems such as being easily difficult to ensure by external disturbance, measurement accuracy, the utility model provides a kind of to be tested and analyzed for dynamic spectrum
Microfluidic liquid sample pool.The microfluidic liquid sample pool of the utility model, compact-sized, using flexible and to be one kind can hold
A variety of homogeneous and heterogeneous reaction the dynamic spectrum sample cells of row.Not only may be directly applied to current mainstream ultraviolet spectrometer,
Visible spectrophotometer and infrared spectrometer, it may also be used for Raman spectrometer further expands the application range of spectrum analysis.
For the limitation of existing dynamic spectrum harvester, the utility model sample cell mainly considers that following limit is asked
Topic：(1) how to overcome influence of the solvent to reaction and to spectrometric interference；(2) it needs to consider sample in quantitative determination
The configuration process of solution and its error of introducing；(3) it also needs to consider solvent volatilization or the height of its steam generation when temperature is higher
Pressure harm；(4) for micro-example, while how keeping high sensitivity, the size of sample cell is reduced, it is minimal amount of to accommodate
Sample volume；(5) in the case where high energy laser irradiates for a long time, the stability and consistency of test result to be kept.
The utility model to achieve the above object, using following technical scheme：
A kind of microfluidic liquid sample pool for dynamic spectrum detection and analysis comprising magnetic induction rotation system, motor
Transmission and control system and sample cell system；
The sample cell system includes sample cell；
The magnetic induction rotation system includes rotor, magnetic turntable and magnetic shaft；The rotor is placed in sample cell；It is described
Magnetic turntable is for controlling the rotation for being placed on the rotor in sample cell；
The motor drive and control system include power supply, controller and direct current generator；The power supply is with controller and directly
Galvanic electricity mechatronics；The controller is used to control the rotating speed of direct current generator；
The direct current generator is connect with the magnetic shaft, and the direct current generator is for driving magnetic shaft to rotate；The magnetic turns
Axis is connect with the magnetic turntable, and the magnetic turntable is positioned close at sample cell.
According to the utility model, the sample cell includes the pond body prepared (such as quartz) by translucent material, is set at the top of pond body
There are the opening of with closure, the pond body bottom surface, front, the back side and side to be tightly connected, the pond body front is light with the back side
Transmission plane, the pond body top are sample test window, and pond body lower part is rotor stirring area.
According to the utility model, the light path of the sample cell is less than or equal to 1mm；The distance that i.e. light passes through the sample cell
Less than or equal to 1mm.
In the utility model, the shape of the sample cell can be regular, can also be it is irregular, it is for example, rectangular
Body, square or polymorphic structure, but the light path of the sample cell, i.e. light are less than or equal to by the distance of the sample cell
1mm；Well known to a person skilled in the art, if the shape of the sample cell is cuboid, the width of the sample cell defined
Practical is distance of the light by the sample cell, also the light path of the as described sample cell.
According to the utility model, the rotor is selected from the rotor that diameter is less than or equal to 0.5mm.Preferably, the rotor choosing
The rotor of teflon-coated from diameter less than or equal to 0.5mm.The polytetrafluoroethylene (PTFE) clad structure can be effectively prevent
Rotor is corroded in organic solvent dissolving and strong acid in detected sample, is also possible to prevent rotor by sample etches.
According to the utility model, the sample cell system further includes sample cell slot, the first screw and fastening gasket；The sample
The side side wall in U-shaped sample cell slot is arranged in the U-shaped structure of product pond slot, first screw, by fastening gasket by sample cell
It is fixed in sample cell slot.
According to the utility model, the microfluidic liquid sample pool further includes cantilever, and the magnetic shaft passes through the second screw
It is fixed on cantilever top；The direct current generator is fixed on jib foot by third screw.
According to the utility model, second screw is fixedly connected by cantilever shalving with cantilever.
According to the utility model, the motor drive and control system further include speed changer, and the direct current generator passes through biography
Moving axis is connected with speed changer, the rotation that the direct current generator passes through transmission control magnetic shaft.Preferably, the gear selecting from
Motor or engine, for example, micromotor or tiny engine.
According to the utility model, the rotating speed of the magnetic shaft is at 5-500 revolutions per seconds.
In the utility model, the motor drive is with control system for driving and controlling the magnetic induction rotation system.
The rotation of magnetic turntable forms the magnetic field rotated and is placed on sample cell system under the induction of rotating excitation field in magnetic induction rotation system
Rotor in system is rotated with given pace, to realize the stirring to sample in sample cell system so that formed in fluid sample
Microfluidic environment.
According to the utility model, the microfluidic liquid sample pool further includes the first support system, first support system
System includes the first adjusting bracket, the first locating slot and first base, and one end of first adjusting bracket is connect with the first locating slot, institute
The other end for stating the first adjusting bracket is connect with first base；First locating slot includes groove compatible with sample cell slot,
The sample cell slot and the first locating slot in vertical direction can plug cooperations.
According to the utility model, first adjusting bracket include the first sleeve, the first bolt and the first frame body, described first
Sleeve is set in the first frame body, and the first sleeve is fixed in the first frame body by the first bolt.Above and below first sleeve
Movement can adjust the height of the first locating slot above the first adjusting bracket, and then adjust the height of sample cell, and pass through first
Bolt is fixed in the first frame body.
According to the utility model, first support system further includes be positioned close to the first adjusting bracket bottom sidewall
One micrometer adjuster and third micrometer adjuster, the first micrometer adjuster and the third micrometer adjuster hang down
Straight setting, is respectively used to regulate and control the first adjusting bracket in the horizontal and vertical directions.
According to the utility model, the microfluidic liquid sample pool further includes the second support system, second support system
System includes the second adjusting bracket, the second locating slot and second base, and one end of second adjusting bracket is connect with the second locating slot, institute
The other end for stating the second adjusting bracket is connect with second base；Second locating slot includes groove compatible with cantilever, described
Cantilever and the second locating slot in vertical direction can plug cooperations.
According to the utility model, second adjusting bracket includes second sleeve, the second bolt and the second frame body, and described second
Sleeve is set in the second frame body, and second sleeve is fixed in the second frame body by the second bolt.Above and below second sleeve
Movement can adjust the height of the second locating slot above the second adjusting bracket, and then adjust the height of magnetic turntable and magnetic shaft, and
It is fixed in the second frame body by the second bolt.
According to the utility model, second support system further includes be positioned close to the second adjusting bracket bottom sidewall
Two micrometer adjusters and the 4th micrometer adjuster, the second micrometer adjuster and the 4th micrometer adjuster hang down
Straight setting, is respectively used to regulate and control the second adjusting bracket in the horizontal and vertical directions.
In the utility model, first adjusting bracket and the second adjusting bracket can not only adjust the height of sample cell and cantilever
Degree, can also realize its fine tuning in the horizontal direction.
The beneficial effects of the utility model：
(1) the microfluidic liquid sample pool design for dynamic spectrum detection and analysis of the utility model is simple, structure is tight
It gathers, using flexible and occupied space very little, suitable for being placed in the light path of instrument.
(2) sample appearance of the microfluidic liquid sample pool for dynamic spectrum detection and analysis of the utility model due to restriction
Receive space it is small, be suitable for micro-example carry out optical measurement；Good airproof performance, anticorrosive property are suitable for volatile, high corrosion sample
Measurement；
(3) the microfluidic liquid sample pool for dynamic spectrum detection and analysis of the utility model may make all samples to exist
Smooth flow in its accommodation space limited, there is no fluid stagnation areas, avoid or reduce signal caused by sample turbulent flow
Noise；Rotor uses the structure design of teflon-coated, while avoiding rotor by sample etches, also avoids turning
Sub- contaminated samples；For convenience detach and cleaning, the influence to light path of optical spectrometer is very small, is measured convenient for being repeated several times.
(4) the microfluidic liquid sample pool for dynamic spectrum detection and analysis of the utility model is suitable as a variety of homogeneous
And the dynamic spectrum sample cell of heterogeneous reaction, it not only may be directly applied to the ultraviolet of current mainstream, visible light and infrared light
Spectrometer, it may also be used for the spectrometer device of the complexity such as Raman spectrometer further expands the application range of spectrum analysis.
Description of the drawings
Fig. 1 is the overall construction drawing of the microfluidic liquid sample pool of the utility model.
Fig. 2 is the structure chart of a preferred embodiment of the microfluidic liquid sample pool of the utility model.
Fig. 3 is the structure chart of a preferred embodiment of the microfluidic liquid sample pool of the utility model.
Fig. 4 is the structure chart of a preferred embodiment of the microfluidic liquid sample pool of the utility model.
Fig. 5 is lignocaine flavonol femtosecond Broadband pump-detection transient absorption spectra and pumping shown in embodiment 2
(pump)-excitation (push)/loses money in business the multiple-pulse control transient absorption spectra figure of (dump)-detection (probe).
Fig. 6 is lignocaine flavonol femtosecond Broadband pump-detection transient absorption spectra and pumping shown in embodiment 2
(pump)-excitation (push)/loses money in business multiple-pulse control transient absorption spectra the moving at 560nm of (dump)-detection (probe)
Force diagram figure.
Fig. 7 is the real-time acquisition interface figure of femtosecond stimlated Raman spectrum shown in embodiment 3.
Fig. 8 is that femtosecond shown in embodiment 4 pumps (pump)-excitation (the push)/eclipse of the sun or moon (dump)-detection (probe) light
Spectra system dynamic analysis surface chart.
Reference numeral in Fig. 1-Fig. 4 is as follows：
1- sample cells, 2- fastening gaskets, the first screws of 3-, 4- rotors, 5- sample cell slots, the first frame bodies of 6-, the first spiral shells of 7-
Bolt, the first sleeves of 8-, the first adjusting brackets of 9-, 10- the first micrometer adjusters, 11- first bases, 12- magnetic turntables, 13- magnetic turn
Axis, 14- cantilever shalvings, the second screws of 15-, 16- cantilevers, 17- speed changers, 18- direct current generators, 19- transmission shafts, the second frame bodies of 20-,
21- second sleeves, the second bolts of 22-, the second adjusting brackets of 23-, 24- the second micrometer adjusters, 25- second bases, 26- thirds
Micrometer adjuster, the 4th micrometer adjusters of 27-, 28- power supplys, 29- controllers.
Specific implementation mode
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate this
Utility model rather than limitation the scope of protection of the utility model.Furthermore, it is to be understood that having read disclosed in the utility model
Content after, those skilled in the art can make various changes or modifications the utility model, and such equivalent forms are equally fallen
Within the limits of the protection in the utility model.
Experimental method used in following embodiments is conventional method unless otherwise specified；Institute in following embodiments
Reagent, material etc., are commercially available unless otherwise specified.
In the description of the present invention, it should be noted that term " first ", " second ", " third " and " the 4th " etc.
It is used for description purposes only, and does not indicate that or imply relative importance.
Embodiment 1
With reference to Fig. 1-Fig. 4 and example in detail specific embodiment of the present utility model, as Figure 1-Figure 4,
The present embodiment provides a kind of microfluidic liquid sample pools for dynamic spectrum detection and analysis comprising magnetic induction rotation system,
Motor drive and control system and sample cell system；
The sample cell system includes sample cell 1；
The magnetic induction rotation system includes rotor 4, magnetic turntable 12 and magnetic shaft 13；The rotor 4 is placed on sample cell 1
In；The magnetic turntable 12 is used to control the rotation for the rotor 4 being placed in sample cell 1；
The motor drive and control system include power supply 28, controller 29 and direct current generator 18；The power supply 28 and control
Device 29 and direct current generator 18 electrical connection processed；The controller 29 is used to control the rotating speed of direct current generator 18；
The direct current generator 18 is connect with the magnetic shaft 13, and the direct current generator 18 is for driving magnetic shaft 13 to rotate；
The magnetic shaft 13 is connect with the magnetic turntable 12, and the magnetic turntable 12 is positioned close at sample cell 1.
In a preferred embodiment of utility model, the sample cell 1 includes being prepared (such as quartz) by translucent material
Pond body, the opening of with closure is equipped at the top of pond body, the pond body bottom surface, front, the back side and side are tightly connected, the pond
Body front is light-transmissive surface with the back side, and the pond body top is sample test window, and pond body lower part is rotor stirring area.The sample
The light path in product pond is less than or equal to 1mm, i.e. light is less than or equal to 1mm by the distance of the sample cell.It is described in the utility model
The shape of sample cell can be regular, can also be irregular, for example, cuboid, square or polymorphic structure, still
The light path of the sample cell, i.e. light are less than or equal to 1mm by the distance of the sample cell；Well known to a person skilled in the art,
If the shape of the sample cell is cuboid, the width of the sample cell defined is practical be light by the sample cell away from
From the also light path of the as described sample cell.
In a preferred embodiment of utility model, the rotor 4 is selected from the rotor that diameter is less than or equal to 0.5mm.
In a preferred embodiment of utility model, the rotor 4 is selected from the polytetrafluoro that diameter is less than or equal to 0.5mm
The rotor of ethylene package.The polytetrafluoroethylene (PTFE) clad structure can effectively prevent the organic solvent in detected sample dissolving and
Strong acid corrodes rotor, is also possible to prevent rotor by sample etches.
In a preferred embodiment of the utility model, the sample cell system further includes sample cell slot 5, the first spiral shell
Nail 3 and fastening gasket 2；5 U-shaped structure of the sample cell slot, first screw 3 are arranged in the side side of U-shaped sample cell slot 5
Sample cell 1 is fixed in sample cell slot 5 by wall by fastening gasket 2.
In a preferred embodiment of the utility model, the microfluidic liquid sample pool further includes cantilever 16, institute
It states magnetic shaft 13 and 16 top of cantilever is fixed on by the second screw 15；The direct current generator 18 is solid by third screw (not shown)
It is scheduled on 16 lower part of cantilever.
In a preferred embodiment of the utility model, second screw 15 is solid by cantilever shalving 14 and cantilever 16
Fixed connection.
In a preferred embodiment of the utility model, the motor drive and control system further include speed changer
17, the direct current generator 18 is connected by transmission shaft 19 with speed changer 17, and the direct current generator 18 controls magnetic by speed changer 17
The rotation of shaft 13.The rotating speed of the magnetic shaft 13 is at 5-500 revolutions per seconds.The speed changer 17 is selected from motor or engine, example
Such as it is micromotor or tiny engine.
In the utility model, the motor drive is with control system for driving and controlling the magnetic induction rotation system.
The magnetic field that the rotation of magnetic turntable 12 in magnetic induction rotation system forms rotation is placed on sample under the induction of rotating excitation field
Rotor 4 in cell system is rotated with given pace, to realize the stirring to the sample in sample cell system so that fluid sample
Middle formation microfluidic environment.
In a preferred embodiment of the utility model, the microfluidic liquid sample pool further includes the first support system
System, first support system include the first adjusting bracket 9, the first locating slot and first base 11, the one of first adjusting bracket 9
End is connect with the first locating slot, and the other end of first adjusting bracket 9 is connect with first base 11；First locating slot includes
Groove compatible with sample cell slot 5,5 and first locating slot of the sample cell slot in vertical direction can plug cooperations.
In a preferred embodiment of the utility model, first adjusting bracket 9 includes the first sleeve 8, the first spiral shell
Bolt 7 and the first frame body 6, first sleeve 8 are set in the first frame body 6, and are fixed the first sleeve 8 by the first bolt 7
In the first frame body 6.The height for moving up and down the first locating slot that can adjust 9 top of the first adjusting bracket of first sleeve 8, into
And the height of sample cell 1 is adjusted, and be fixed in the first frame body 6 by the first bolt 7.
In a preferred embodiment of the utility model, first support system further includes being positioned close to first
The the first micrometer adjuster 10 and third micrometer adjuster 26 of 9 bottom sidewall of adjusting bracket, the first micrometer adjuster
10 and the third micrometer adjuster 26 be vertically arranged, be respectively used to regulate and control the first adjusting bracket 9 in the horizontal and vertical directions.
In a preferred embodiment of the utility model, the microfluidic liquid sample pool further includes the second support system
System, second support system include the second adjusting bracket 23, the second locating slot and second base 25, second adjusting bracket 23
One end is connect with the second locating slot, and the other end of second adjusting bracket 23 is connect with second base 25；Second locating slot
Including groove compatible with cantilever 16, the cantilever 16 and the second locating slot in vertical direction can plug cooperations.
In a preferred embodiment of the utility model, second adjusting bracket 23 includes second sleeve 21, second
Bolt 22 and the second frame body 20, the second sleeve 21 are set in the second frame body 20, and by the second bolt by second sleeve
21 are fixed in the second frame body 20.Moving up and down for second sleeve 21 can adjust the second locating slot above the second adjusting bracket
Highly, and then the height of magnetic turntable 12 and magnetic shaft 13 is adjusted, and is fixed in the second frame body 20 by the second bolt 22.
In a preferred embodiment of the utility model, second support system further includes being positioned close to second
Second micrometer adjuster 24 of 23 bottom sidewall of adjusting bracket and the 4th micrometer adjuster 27, the second micrometer adjuster
24 and the 4th micrometer adjuster 27 be vertically arranged, be respectively used to regulate and control the second adjusting bracket in the horizontal and vertical directions
23。
In a preferred embodiment of the utility model, first adjusting bracket, 9 and second adjusting bracket 23 not only may be used
To adjust the height of sample cell and cantilever, its fine tuning in the horizontal direction can also be realized.
Embodiment 2
Microfluidic liquid sample pool described in embodiment 1 can be used in femtosecond Broadband pump (pump)-detection (probe) light
In spectrometer system, the more of the macroscopic view of phase complicated molecule and the Chemical Kinetics field on single molecules level can be condensed
Item research.
The sample for the microfluidic liquid sample pool detection that the present embodiment uses is lignocaine flavonol (4 '-N, N-
Diethylamino-3-hydroxyflavone, DEAHF).
In the exemplary application, the shape of the sample cell is cuboid, the specification of the sample cell be 1mm (width) ×
10mm (height) × 45mm (length), volume are less than 0.5ml, applicable wavelengths 200-2500nm.The practical width of the sample cell is light
By the distance of the sample cell, the also light path of the as described sample cell.
Fig. 5 is lignocaine flavonol femtosecond Broadband pump-detection transient absorption spectra and pumping shown in embodiment 2
(pump)-excitation (push)/loses money in business the multiple-pulse control transient absorption spectra figure of (dump)-detection (probe).
Fig. 6 is lignocaine flavonol femtosecond Broadband pump-detection transient absorption spectra and pumping shown in embodiment 2
(pump)-excitation (push)/loses money in business multiple-pulse control transient absorption spectra the moving at 560nm of (dump)-detection (probe)
Force diagram figure.
As can be known from Fig. 5 and Fig. 6, the sample cell of the application can be used for condensed phase supramolecular (conjugate light-emitting
Point in polymer molecule, super branched molecule and photosynthetic Light harvest antenna pigment molecular and organic/inorganic hybridization material system
Electric charge transfer and solvation process etc. in son) in chromophore between coherent electron and relevant exciton conduction kinetic characteristics
And the research that mechanism is probed into.
Embodiment 3
It is this increasingly complex that microfluidic liquid sample pool described in embodiment 1 can be used for femtosecond stimlated Raman spectrum instrument
In device (the results are shown in Figure 7), and achieve good effect.
In the exemplary application, the shape of the sample cell is cuboid, the specification of the sample cell be 1mm (width) ×
10mm (height) × 45mm (length), volume are less than 0.5ml, applicable wavelengths 200-2500nm.The practical width of the sample cell is light
By the distance of the sample cell, the also light path of the as described sample cell.
Fig. 7 is the real-time acquisition interface figure of femtosecond stimlated Raman spectrum shown in embodiment 3.As shown in Figure 7, it can be seen that right
In rare valuable micro-example, it can also keep very high with the excited Raman signal of the microfluidic liquid sample pool system acquisition
Stability and sensitivity, for follow-up signal analysis provide good guarantee.
Embodiment 4
Microfluidic liquid sample pool described in embodiment 1 can be used for the femtosecond Broadband pump (pump)-of another complexity
It excites in (push)/eclipse of the sun or moon (dump)-detection (probe) spectrometer device, equally achieves good effect.
In the exemplary application, the shape of the sample cell is cuboid, the specification of the sample cell be 1mm (width) ×
10mm (height) × 45mm (length), volume are less than 0.5ml, applicable wavelengths 200-2500nm.The practical width of the sample cell is light
By the distance of the sample cell, the also light path of the as described sample cell.
Fig. 8 is that femtosecond shown in embodiment 4 pumps (pump)-excitation (the push)/eclipse of the sun or moon (dump)-detection (probe) light
Spectra system dynamic analysis surface chart.As can be seen from Figure 8, to faint double difference sub-signal, due to keeping the miniflow of sample
It is dynamic, while avoiding the spectrum generated by flowing disturbance, also maintain the smooth consistency of signal.
More than, the embodiment of the utility model is illustrated.But the utility model is not limited to above-mentioned implementation
Mode.Within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done, should be included in
Within the scope of protection of the utility model.
Claims (10)
1. a kind of microfluidic liquid sample pool for dynamic spectrum detection and analysis comprising magnetic induction rotation system, motor pass
Dynamic and control system and sample cell system；
The sample cell system includes sample cell；
The magnetic induction rotation system includes rotor, magnetic turntable and magnetic shaft；The rotor is placed in sample cell；The magnetic turns
Disk is for controlling the rotation for being placed on the rotor in sample cell；
The motor drive and control system include power supply, controller and direct current generator；The power supply and controller and direct current
Mechatronics；The controller is used to control the rotating speed of direct current generator；
The direct current generator is connect with the magnetic shaft, and the direct current generator is for driving magnetic shaft to rotate；The magnetic shaft with
The magnetic turntable connection, and the magnetic turntable is positioned close at sample cell.
2. microfluidic liquid sample pool according to claim 1, which is characterized in that the sample cell includes by translucent material
The pond body of preparation, pond body top are equipped with the opening of with closure, and the pond body bottom surface, front, the back side and side are tightly connected, institute
It is light-transmissive surface that pond body front, which is stated, with the back side, and the pond body top is sample test window, and pond body lower part is rotor stirring area.
3. microfluidic liquid sample pool according to claim 1 or 2, which is characterized in that the light path of the sample cell is less than
Equal to 1mm.
4. microfluidic liquid sample pool according to claim 1 or 2, which is characterized in that the rotor is less than selected from diameter
Rotor equal to 0.5mm.
5. microfluidic liquid sample pool according to claim 4, which is characterized in that the rotor is less than or equal to selected from diameter
The rotor of the teflon-coated of 0.5mm.
6. microfluidic liquid sample pool according to claim 1 or 2, which is characterized in that the sample cell system further includes
Sample cell slot, the first screw and fastening gasket；The U-shaped structure of sample cell slot, first screw are arranged in U-shaped sample cell
Sample cell is fixed in sample cell slot by the side side wall of slot by fastening gasket.
7. microfluidic liquid sample pool according to claim 1 or 2, which is characterized in that the microfluidic liquid sample pool
Further include cantilever, the magnetic shaft is fixed on cantilever top by the second screw；The direct current generator is fixed by third screw
In jib foot.
8. microfluidic liquid sample pool according to claim 1, which is characterized in that the motor drive and control system are also
Including speed changer, the direct current generator is connected by transmission shaft with speed changer, and the direct current generator is turned by transmission control magnetic
The rotation of axis；The rotating speed of the magnetic shaft is at 5-500 revolutions per seconds.
9. microfluidic liquid sample pool according to claim 1, which is characterized in that the microfluidic liquid sample pool also wraps
The first support system is included, first support system includes the first adjusting bracket, the first locating slot and first base, and described first adjusts
One end of section frame is connect with the first locating slot, and the other end of first adjusting bracket is connect with first base；First positioning
Slot includes groove compatible with sample cell slot, and the sample cell slot and the first locating slot in vertical direction can plug cooperations；
First adjusting bracket includes the first sleeve, the first bolt and the first frame body, and first sleeve is set to the first frame body
In, and the first sleeve is fixed in the first frame body by the first bolt；
First support system further includes being positioned close to the first micrometer adjuster and of the first adjusting bracket bottom sidewall
Three micrometer adjusters, the first micrometer adjuster and the third micrometer adjuster are vertically arranged, and are respectively used to
Horizontal and vertical the first adjusting bracket of direction up regulation.
10. the microfluidic liquid sample pool according to claim 1 or 9, which is characterized in that the microfluidic liquid sample pool
Further include the second support system, second support system includes the second adjusting bracket, the second locating slot and second base, and described the
One end of two adjusting brackets is connect with the second locating slot, and the other end of second adjusting bracket is connect with second base；Described second
Locating slot includes groove compatible with cantilever, and the cantilever and the second locating slot in vertical direction can plug cooperations；
Second adjusting bracket includes second sleeve, the second bolt and the second frame body, and the second sleeve is set to the second frame body
In, and second sleeve is fixed in the second frame body by the second bolt；
Second support system further includes being positioned close to the second micrometer adjuster and of the second adjusting bracket bottom sidewall
Four micrometer adjusters, the second micrometer adjuster and the 4th micrometer adjuster are vertically arranged, and are respectively used to
Horizontal and vertical the second adjusting bracket of direction up regulation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848083.5U CN207764109U (en) | 2017-12-26 | 2017-12-26 | A kind of microfluidic liquid sample pool for dynamic spectrum detection and analysis |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721848083.5U CN207764109U (en) | 2017-12-26 | 2017-12-26 | A kind of microfluidic liquid sample pool for dynamic spectrum detection and analysis |
Publications (1)
| Publication Number | Publication Date |
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| CN109959610A (en) * | 2017-12-26 | 2019-07-02 | 中国科学院化学研究所 | A kind of microfluidic liquid sample pool tested and analyzed for dynamic spectrum and its purposes |
| CN109959610B (en) * | 2017-12-26 | 2024-07-16 | 中国科学院化学研究所 | Microfluidic liquid sample cell for dynamic spectral detection analysis and application thereof |
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