CN110160835A - A kind of method and device thereof of quantitative microsampling and transmission - Google Patents
A kind of method and device thereof of quantitative microsampling and transmission Download PDFInfo
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- CN110160835A CN110160835A CN201910439179.3A CN201910439179A CN110160835A CN 110160835 A CN110160835 A CN 110160835A CN 201910439179 A CN201910439179 A CN 201910439179A CN 110160835 A CN110160835 A CN 110160835A
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 46
- 238000000034 method Methods 0.000 title claims abstract description 17
- 238000004458 analytical method Methods 0.000 claims abstract description 12
- 238000001514 detection method Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000011521 glass Substances 0.000 claims description 3
- 239000010453 quartz Substances 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 238000012360 testing method Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 2
- 239000007788 liquid Substances 0.000 description 36
- 239000000523 sample Substances 0.000 description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000000243 solution Substances 0.000 description 9
- 230000033001 locomotion Effects 0.000 description 8
- 238000009736 wetting Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000012530 fluid Substances 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000007787 solid Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000001133 acceleration Effects 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000004401 flow injection analysis Methods 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 238000007654 immersion Methods 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 210000005239 tubule Anatomy 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 229920001477 hydrophilic polymer Polymers 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000002861 polymer material Substances 0.000 description 1
- 238000004451 qualitative analysis Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 239000002344 surface layer Substances 0.000 description 1
- 238000004457 water analysis Methods 0.000 description 1
- 230000010148 water-pollination Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/10—Devices for withdrawing samples in the liquid or fluent state
- G01N1/14—Suction devices, e.g. pumps; Ejector devices
- G01N2001/1472—Devices not actuated by pressure difference
- G01N2001/149—Capillaries; Sponges
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Automatic Analysis And Handling Materials Therefor (AREA)
Abstract
The present invention relates to the method for a kind of quantitative microsampling and transmission, including S1, capillary is arranged on transmission device；S2, solution to be measured is injected into capillary；S3, starting transmission device simultaneously execute drive task with default gearing command；S4, pneumatic device is arranged in designated place；S5, start pneumatic device and to preset the pneumatic task of pneumatic instruction execution；S6, it completes Detection task and obtains analysis data.A kind of device of quantitative microsampling and transmission, comprising: capillary, for holding solution to be measured；Transmission device, for executing drive task according to default gearing command；And pneumatic device, the pneumatic task of pneumatic instruction execution is preset for basis.The present invention can be applied to automatic on-line analysis field, can continuous work, service free maintenance, the low and no-delay transmission of testing cost or acquisition solution.
Description
Technical field
The present invention relates to the method and device thereof of a kind of quantitative microsampling and transmission, belong to water quality monitoring technical field.
Background technique
The common technical method of online water analysis instrument currently used in the market has following two: Flow Injection Analysis
Method, sequentical injection analysis；Wherein, flow injection analysis is the system that stops using non-air interval, using introduction valve, to load
Sample or reagent solution are injected in liquid, i.e., a kind of method unstable state in the case of tested incomplete in reaction；And sequence is infused
Penetrate analytic approach be sampling valve is changed into multi-center selection valve, and by conventional peristaltic pumps be changed to syringe pump or can forward and reverse rotation it is compacted
Dynamic pump, increases by one section of memotron, flow cell is flow type cuvette between pump and valve.
Based on the on-line analysis device of both the above technical method design, although detection demand can be competent at, there are still
Following drawback.First, it is continuous to analyze under scene, a large amount of remaining wastes can be generated；Second, continuous analysis automated degree
It is low, it still needs to manually participate in；Third, continuous frequency of analyzing is low, the accuracy of impact analysis result.
For the development trend for complying with the field of automatically analyzing, one kind is sought in market in urgent need can be applied to automatic on-line analysis neck
Domain, can continuous work, service free maintenance, the quantitative microsampling of the low and no-delay acquisition sample solution of testing cost and transmission
Method.
Summary of the invention
In view of the deficiencies of the prior art, the present invention provides the method for a kind of quantitative microsampling and transmission, including it is following
Step:
S1, capillary is arranged on transmission device；
S2, solution to be measured is injected into capillary；
S3, starting transmission device simultaneously execute drive task with default gearing command；
S4, pneumatic device is arranged in designated place；
S5, start pneumatic device and to preset the pneumatic task of pneumatic instruction execution；
S6, it completes Detection task and obtains analysis data.
Further, be arranged in step S1 number of capillaries on transmission device at least one.
Further, it includes at least one of following that gearing command is preset described in step S3: transmission time started, transmission terminate
Time or transmission speed.
Further, it includes at least one of following that pneumatic instruction is preset described in step S5: the pneumatic time started pneumatically terminates
Time, pneumatic frequency or pneumatic strength.
A kind of device of quantitative microsampling and transmission, comprising:
Capillary, for holding solution to be measured；
Transmission device, for executing drive task according to default gearing command；And
Pneumatic device presets the pneumatic task of pneumatic instruction execution for basis.
Further, the material of the capillary includes but is not limited to glass, quartz or ceramics.
Further, the capillary is the isometrical waney cone of cylinder or both sides in both sides.
Further, the transmission device includes but is not limited to turntable, pallet or conveyer belt.
Further, the pneumatic device can be blown the solution to be measured in specified capillary by controlling the start and stop of air blast
It send to designated position.
The invention has the benefit that can be applied to automatic on-line analysis field, it can continuous work, service free dimension
The low and no-delay transmission of shield, testing cost or acquisition sample solution.
Detailed description of the invention
Fig. 1 show overview flow chart according to the present invention；
Fig. 2 show apparatus according to the invention connection figure；
Fig. 3 show A according to a particular embodiment of the invention；
Fig. 4 show B according to a particular embodiment of the invention；
Fig. 5 show C according to a particular embodiment of the invention；
Fig. 6 show D according to a particular embodiment of the invention；
Fig. 7 show E according to a particular embodiment of the invention；
Fig. 8 show F according to a particular embodiment of the invention.
Specific embodiment
It should be noted that such as without Special Statement, in the disclosure used in the "an" of singular, " described " and
"the" is also intended to including most forms, unless the context clearly indicates other meaning.In addition, unless otherwise defined, this paper institute
All technical and scientific terms used are identical as the normally understood meaning of those skilled in the art.This paper specification
Used in term be intended merely to description specific embodiment, be not intended to be limiting of the invention.Term as used herein
"and/or" includes the arbitrary combination of one or more listed items.
(" such as ", " such as ") makes it should be appreciated that provided in this article any and all example or exemplary language
With being intended merely to that the embodiment of the present invention is better described, and unless the context requires otherwise, otherwise the scope of the present invention will not be applied
Limitation.
To be explained to relational language first convenient for the understanding of the present invention, specifically it is expressed as follows:
Microsampling: it is micro refer in biology and chemical field, substance on term content below a ten thousandth,
Components more than hundred a ten thousandths；The volume of every sub-sampling is refered in particular in the present invention in 10uL between 1000uL.
It is quantitative: the amount with regularity or general boundary.
Automatic analysing apparatus: refer under the premise of unmanned participate in, automatic qualitative or quantitative analysis is carried out to device, and generate
Effective information.
Capillary phenomenon: capillary phenomenon (also known as capillarity) refers to when liquid is on the inside of thin tube-like object, due to interior
The phenomenon that poly- power and the difference of adhesive force cause it to overcome centrifugal force and then rise；Immersion liquid is increased in tubule and is not soaked
Profit liquid reduces in tubule is called capillary phenomenon.
Capillary: the pipe of obvious capillary phenomenon can be generated.
Infiltration: liquid spreads along the surface of solids when with solid contact and is referred to as the phenomenon that be attached to each other and infiltrates, can also
Referred to as soak；If liquid is when with solid contact, and contact surface tends to reduce and cannot adhere to, then referred to as liquid does not infiltrate admittedly
Body does not infiltrate referred to as or nonwetting.
Hydrophily: the molecule with polar group has big affinity to water, can attract hydrone, or be dissolved in
Water；The surface for the solid material that this kind of molecule is formed, is easily soaked by water.It is the hydrophilic of referred to as substance with this characteristic
Property.
Hydrophobicity: refer to a molecule i.e. hydrophobe and the mutually exclusive physical property of water.
Surface tension: be liquid surface layer due to molecular attraction is unbalanced and generate along surface action in any boundary line
Tension；By water dispersion at droplet, that is, expand its surface, moves on to surface there are many internal water molecule, just must overcome this power
It does work to system, i.e. surface work；Obviously such dispersion is convenient for storing more surface energy.
Default gearing command: referring to and execute instruction for transmission device is pre-set, can be according to application scenarios and test
Task is increased and decreased or modifies.
Default pneumatic instruction: referring to and execute instruction for pneumatic device is pre-set, can be according to application scenarios and test
Task is increased and decreased or modifies.
Next specific embodiments of the present invention are described further in conjunction with attached drawing:
It show overview flow chart according to the present invention referring to Fig.1, comprising the following steps:
S1, capillary is arranged on transmission device；Be arranged in number of capillaries on transmission device at least one, generally
Quantity can be adjusted according to Detection task and application scenarios；Capillary is filled with equidistant or Unequal distance formal distribution in transmission
On setting；
S2, solution to be measured is injected into capillary；
S3, starting transmission device simultaneously execute drive task with default gearing command；Default gearing command include it is following at least
One: transmission time started, transmission end time or transmission speed；
S4, pneumatic device is arranged in designated place；
S5, start pneumatic device and to preset the pneumatic task of pneumatic instruction execution；Pneumatic instruction is preset described in step S5
Including at least one of following: pneumatic time started, pneumatic end time, pneumatic frequency or pneumatic strength；
S6, it completes Detection task and obtains analysis data.
Apparatus according to the invention connection figure is shown referring to Fig. 2, comprising: capillary, for holding solution to be measured, material
Material can be glass, quartz, ceramics or other have a hydrophilic polymer material, shape be the isometrical cylinder in both sides or
The waney cone in both sides；
Transmission device is connect with capillary, for can be turntable, support according to gearing command execution drive task is preset
Disk or conveyer belt；
Pneumatic device is connect with capillary, presets the pneumatic task of pneumatic instruction execution for basis, can be strong by controlling
The start and stop of air-flow blow the solution to be measured in specified capillary to designated position.
It is shown A according to a particular embodiment of the invention referring to Fig. 3, embodiment A, which shows, realizes this programme wherein
A kind of device.Device is equipped with carrier, and carrier is a load plate, sets that there are two collection devices among load plate.Ring load plate is surrounded by more
A circulation passage with units of micrometers aperture, annularly with the arrangement of certain order between a variety of circulation passages, circulation passage is outwardly
There is a path horn mouth in one end.In the case where machinery drives, carrier drives capillary circulation passage to be steady circular with certain speed
Movement.In the three direction and nine o'clock direction of device, respectively there is a gas generating unit, the mouthpiece of generating device is directed at capillary
Channel horn mouth direction.When moving to the first place, capillary micropore one end and liquid contact, liquid infiltrate hair by wetting action
Thin pipe completes water sample collection work.When moving to the second place, the gas generating unit alignment horn mouth in three direction is blown
Gas, water sample flow into the first collection device under stream pressure.When moving to third place, another liquid equally passes through wetting and makees
With infiltration capillary channel, the collecting work of second of water sample is completed.When moving to four places, nine o'clock direction gas occur
Device is directed at horn mouth and blows, and water sample flows into the second collection device under stream pressure.First collection device and second collects dress
The liquid set flows into next channel after mixing.
It is shown B according to a particular embodiment of the invention referring to Fig. 4, at the first place, liquid soaks through capillary action
Moisten circulation passage, liquid level of the immersion liquid in capillary is spill, it applies pulling force to following liquid, make liquid along
Tube wall rises, and when upward pulling force is equal with gravity suffered by intraluminal fluid column, the liquid in pipe stops rising, and reaches balance
Lifting height h=2 × surface tension coefficient/(fluid density × gravity acceleration g × liquid level radius R)
Lifting height h=2 × surface tension coefficient × cos contact angle/(fluid density * gravity acceleration g × capillary half
Diameter r)
By formula as it can be seen that the lifting height of liquid level is related to the diameter of the property of liquid itself and capillary.Liquid sheet
The property of body be under same sample and under same environment it is constant, therefore, liquid level lifting height is related to capillary diameter.
At third place, liquid is under the effect of gravity, inevitable to move along to centrifugal force direction.Due to circulation passage
Both ends and atmosphere intercommunication, therefore liquid has the tendency that flowing out circulation passage.Under the action of surface tension, liquid must overcome table
The function of face tension can just flow out.
The size of surface tension F is directly proportional with the length of line of demarcation MN.F=σ L (ratio σ is called surface tension coefficient,
Numerically surface tension coefficient is equal to the mutual tractive force of unit length between the adjacent two parts of liquid surface, at 293k water
Surface tension coefficient is 72.75 × 10-3Nm-1)
At the second place and four places, solution needs to overcome air drag, wall friction to be detached from capillary channel
Power and surface tension etc. hinder power, when the air-flow fluid based on the design of horn mouth mouth passes through, when current rate reaches certain value,
Liquid can overcome all function to accelerate disengaging circulation passage.
This programme is realized wherein referring to Figure 5 to show according to specific embodiments of the present invention C, embodiment C
A kind of device.The device is composed of the identical separating device of three Analysis of Nested Design methods, is connected and is arranged by pipeline between three sets of separating devices
To next channel.Every set separating device is equipped with carrier, and carrier is a load plate, and collection device, collection device connection are equipped among load plate
Pipeline, pipeline are the transport hubs between the every set separating device of connection.Ring load plate is surrounded by multiple streams with units of micrometers aperture
Circulation passage, annularly with the arrangement of certain order between a variety of circulation passages, there are a path loudspeaker in one end to circulation passage outwardly
Mouthful.In the case where machinery drives, carrier surrounding capillary circulation passage counterclockwise does uniform circular motion with certain speed, and load plate is quiet
It is only motionless.It is sample cell in the six o'clock direction of device, capillary channel absorbs sample by wetting action.Twelve-hour direction,
Equipped with gas generating unit, the mouthpiece of generating device is directed at capillary channel horn mouth direction, does pulse action with certain frequency
Issue air blast, by sample in capillary be blown into the pipeline of collecting pit and other pipelines in liquid mixture flow enter next channel.
It is shown D according to a particular embodiment of the invention referring to Fig. 6, embodiment D, which shows, realizes this programme wherein
A kind of device.The device liquid not flows into next circulation duct, but directly reaches detection endpoint.Device is equipped with carrier,
Carrier is a load plate, is equipped with light source and waste collecting device among load plate, and light source direction is towards nine o'clock direction, waste collection
Pond is open towards ten two directions.Ring load plate is surrounded by multiple circulation passages with units of micrometers aperture, a variety of circulation passages it
Between around central point by ring dress in a manner of arrange, circulation passage has a path horn mouth towards outer end.In the case where machinery drives, carrier
The capillary channel of surrounding does circular motion clockwise with certain speed, and load plate is stationary.Six o'clock of device direction be sample
Pond, capillary channel absorb sample by wetting action.Nine o'clock, direction was detection device, under the control of the computer, was made in light source
Pulse detection movement is done to sample with lower.The mouthpiece alignment capillary that twelve-hour direction is equipped with gas generating unit generating device is logical
Road horn mouth direction does pulse action with certain frequency and issues air blast, capillary liquid in pipe is blown into waste collection pond.It is real
Applying device described in example 2 can be used together with device described in embodiment 1, can also with other embodiments or meet
The device of this patent design method is used together.
It is shown E according to a particular embodiment of the invention referring to Fig. 7, embodiment E, which shows, realizes this programme wherein
A kind of device.Acquisition while this mode can realize plurality of liquid sample, and by specified sample delivery to different collecting pits
It is collected.Device medium is a conveyer belt, does linear uniform motion by two gear control conveyer belts, conveyer belt is equipped with more
A circulation passage with units of micrometers aperture is arranged with certain order between a variety of circulation passages, circulation passage one end upward
There is a path horn mouth.In the case where machinery drives, carrier band logical capillary channel does linear uniform motion with certain speed, passes through
Gear does circulatory motion and returns to starting point, in cycles.In device starting point, multiple sample flow ports are equipped with, specified capillary channel connects
It receives from the sample that each sample flow port flows into and gas generating unit is transmitted to by conveyer belt, gas generating unit fills
The mouthpiece alignment capillary channel horn mouth direction set, does pulse action with certain frequency and issues air blast, by specified capillary
Interior liquid is blown into specified liquid collection channels, then enters next circulation passage by the effects of mixing by circulation passage.
It is shown F according to a particular embodiment of the invention referring to Fig. 8, embodiment F, which shows, realizes this programme wherein
A kind of device.It is divided into top view and stereoscopic three-dimensional figure.This mode can be overlapped by interface channel and be used, and can also individually be made
With.Device is used alone and is equipped with a disk pallet, multiple circulation passages with units of micrometers aperture are embedded in disk and disk
It is linked together, circulation passage is annularly arranged with angle order between grade around the center of circle.Tray center is connected with an axis, axis connection motor
It drives pallet to do counter clockwise direction uniform circular motion, has row's sample flow logical along the one end in the center of circle to circumference in pallet
Road, circulation passage are directed at each capillary channel horn mouth, and capillary channel is specified to acquire sample, subsequent pallet by wetting action
Rotation has row's gas generating unit, the mouthpiece of gas generating unit generating device is directed at capillary channel loudspeaker to certain angle
Mouth direction does pulse action with certain frequency and issues air blast, and specified capillary liquid in pipe is blown into specified liquid and is collected
Channel, then enter next circulation passage by the effects of mixing by circulation passage.
The above, only presently preferred embodiments of the present invention, the invention is not limited to above embodiment, as long as
It reaches technical effect of the invention with identical means, all should belong to protection scope of the present invention.In protection model of the invention
Its technical solution and/or embodiment can have a variety of different modifications and variations in enclosing.
Claims (9)
1. a kind of method of quantitative microsampling and transmission, which comprises the following steps:
S1, capillary is arranged on transmission device；
S2, solution to be measured is injected into capillary；
S3, starting transmission device simultaneously execute drive task with default gearing command；
S4, pneumatic device is arranged in designated place；
S5, start pneumatic device and to preset the pneumatic task of pneumatic instruction execution；
S6, it completes Detection task and obtains analysis data.
2. the method for quantitative microsampling and transmission according to claim 1, which is characterized in that be arranged in biography in step S1
Number of capillaries on dynamic device at least one.
3. the method for quantitative microsampling and transmission according to claim 1, which is characterized in that preset described in step S3
Gearing command includes at least one of following: transmission time started, transmission end time or transmission speed.
4. the method for quantitative microsampling and transmission according to claim 1, which is characterized in that preset described in step S5
Pneumatic instruction includes at least one of following: pneumatic time started, pneumatic end time, pneumatic frequency or pneumatic strength.
5. a kind of device of quantitative microsampling and transmission characterized by comprising
Capillary, for holding solution to be measured；
Transmission device, for executing drive task according to default gearing command；And
Pneumatic device presets the pneumatic task of pneumatic instruction execution for basis.
6. the device of quantitative microsampling and transmission according to claim 5, which is characterized in that the material of the capillary
Including but not limited to glass, quartz or ceramics.
7. the device of quantitative microsampling and transmission according to claim 5, which is characterized in that the capillary is both sides
The isometrical waney cone of cylinder or both sides.
8. the device of quantitative microsampling and transmission according to claim 5, which is characterized in that the transmission device includes
But it is not limited to turntable, pallet or conveyer belt.
9. the device of quantitative microsampling and transmission according to claim 5, which is characterized in that the pneumatic device can be with
Start and stop by controlling air blast blow the solution to be measured in specified capillary to designated position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439179.3A CN110160835A (en) | 2019-05-24 | 2019-05-24 | A kind of method and device thereof of quantitative microsampling and transmission |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910439179.3A CN110160835A (en) | 2019-05-24 | 2019-05-24 | A kind of method and device thereof of quantitative microsampling and transmission |
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| CN201910439179.3A Pending CN110160835A (en) | 2019-05-24 | 2019-05-24 | A kind of method and device thereof of quantitative microsampling and transmission |
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| CN86201206U (en) * | 1986-03-14 | 1986-10-22 | 赵世善 | Device for drawing trace spectrum point sample from thin layer |
| US6048444A (en) * | 1996-11-28 | 2000-04-11 | Hitachi, Ltd. | Capillary electrophoresis apparatus |
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| US20080116073A1 (en) * | 2006-11-22 | 2008-05-22 | Hitachi High-Technologies Corporation | Electrophoretic apparatus |
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| CN203830308U (en) * | 2014-05-15 | 2014-09-17 | 陈先艇 | Refill capillary full automatic screening machine |
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