CN214041156U - Liquid sampler for Raman spectrum online detection - Google Patents
Liquid sampler for Raman spectrum online detection Download PDFInfo
- Publication number
- CN214041156U CN214041156U CN202022428788.XU CN202022428788U CN214041156U CN 214041156 U CN214041156 U CN 214041156U CN 202022428788 U CN202022428788 U CN 202022428788U CN 214041156 U CN214041156 U CN 214041156U
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- CN
- China
- Prior art keywords
- liquid
- sampler
- pipette
- raman spectroscopy
- storage container
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 100
- 238000001514 detection method Methods 0.000 title claims abstract description 20
- 238000001237 Raman spectrum Methods 0.000 title abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 18
- 239000000463 material Substances 0.000 claims abstract description 11
- 238000001069 Raman spectroscopy Methods 0.000 claims description 18
- 238000005213 imbibition Methods 0.000 claims description 16
- 239000011550 stock solution Substances 0.000 claims description 15
- 239000012780 transparent material Substances 0.000 claims description 4
- 238000012856 packing Methods 0.000 claims 1
- 238000005070 sampling Methods 0.000 abstract description 5
- 239000010902 straw Substances 0.000 description 25
- 239000000945 filler Substances 0.000 description 3
- 239000000049 pigment Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000010437 gem Substances 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L magnesium sulphate Substances [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 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
- 239000010453 quartz Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M sodium chloride Inorganic materials [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 238000010183 spectrum analysis Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
Images
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- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The utility model discloses a liquid sampler for Raman spectrum online detection, which is used for sampling liquid and belongs to the technical field of detection systems; the liquid sampler comprises a sampler shell, wherein a filtering device and a miniature liquid suction pump are sequentially connected with the inside of the sampler shell from bottom to top through a liquid inlet pipe, the top of the sampler shell is detachably connected with a liquid storage container, the top of the liquid storage container is provided with a top cover, the liquid storage container is connected with the miniature liquid suction pump through the liquid inlet pipe, the outlet of the miniature liquid suction pump is provided with a check valve, filtering materials are arranged inside the filtering device, the bottom of the filtering device is connected with a liquid suction assembly, and the side surface of the sampler shell is provided with a handle; the utility model discloses a liquid sampler collection is adopted liquid, is filtered and is stored in an organic whole, can filter and store the liquid of gathering, and easy operation is convenient, and the whole shared space of liquid sampler is little, conveniently carries and accomodates.
Description
Technical Field
A liquid sampler for Raman spectrum online detection is used for sampling liquid and belongs to the technical field of detection systems.
Background
The Raman spectrum is used as a rapidly developed spectrum analysis technology, has portable equipment, is rapid and sensitive, is simple to prepare, can not damage a sample during detection, has wide detection range and high resolution, is suitable for characteristics of detection of an aqueous solution system and the like, is widely applied to various fields of molecular structures, medical pharmacy, archaeological detection, food safety, environmental protection, gem identification, biomedicine and the like, and is very suitable for being used as a primary screening tool for monitoring the safety and the conformity of port biological and chemical samples.
At present, when a liquid sample is detected by a Raman spectrum analyzer, the collection of liquid is difficult, the sample which is collected by liquid firstly is transferred to a storage container, the sampling method is very time-consuming, the liquid is easy to spill, the operation is inconvenient for real-time online detection, and based on the method, a liquid sampler which can be matched with the Raman spectrum analyzer is provided.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: the utility model provides a liquid sampler for online detection of raman spectroscopy collects liquid collection, filters and stores in an organic whole, can filter and store the liquid of gathering, and easy operation is convenient, and the whole shared space of liquid sampler is little, conveniently carries and accomodates.
The utility model adopts the technical scheme as follows:
the utility model provides a liquid sampler for online detection of raman spectroscopy, includes the sample thief casing, the inside from the bottom up of sample thief casing has connected gradually filter equipment and miniature imbibition pump through the feed liquor pipe, the connection stock solution container can be dismantled at sample thief casing top, stock solution container top is equipped with the top cap, stock solution container passes through the feed liquor pipe and is connected with miniature imbibition pump, the export of miniature imbibition pump is equipped with the check valve, the inside filter material that is equipped with of filter equipment, the filter equipment bottom is connected with the imbibition subassembly, sample thief casing side is equipped with the handle.
Preferably, the imbibition subassembly includes syringe needle, straw extension section and straw canned paragraph, the straw canned paragraph is connected with filter equipment bottom inlet, the straw extension section is connected between straw canned paragraph and syringe needle.
Preferably, the straw fixing section is in threaded connection with one end of the straw expanding section, and the needle head is in threaded connection with the other end of the straw expanding section.
Preferably, the sampler shell and the liquid storage container are both made of transparent materials.
Preferably, the outer surface of the liquid storage container is provided with volume scales.
Preferably, the filter material inside the filter device is QuEChERS filler.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses a liquid sample thief collection liquid sampling, filter and store in an organic whole, carry out the imbibition through miniature imbibition pump, liquid up-flow, through filter equipment with the strong fluorescence background material filtering of pigment in the liquid, avoid influencing raman spectroscopy collection raman spectrum data, then in liquid is gone into the stock solution container by the pump, the stock solution container is connected with the raman spectroscopy, direct liquid sample to the stock solution container inside detects, need not to shift liquid to outside storage container in, the unrestrained of having both avoided shifting liquid to bring, operating time has also been saved, operation flow has still been simplified, and the device is suitable for on-line measuring.
2. The utility model discloses in, stock solution container and imbibition subassembly are the screw thread and can dismantle the connection, can twist off stock solution container and imbibition subassembly when not using, reduce the holistic space size of liquid sample thief, conveniently carry and accomodate.
3. The utility model discloses in, can make things convenient for operating personnel to observe the liquid volume of absorption through set up the capacity scale on the stock solution container, both avoided the too much waste that causes of liquid sample, also avoided the sample too little can't detect.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
fig. 1 is a schematic structural diagram of the present invention.
Labeled as: 1-liquid suction component, 101-needle, 102-straw expansion section, 103-straw fixing section, 2-filtering device, 3-liquid inlet pipe, 4-micro liquid suction pump, 5-handle, 6-check valve, 7-liquid storage container, 8-top cover, 9-volume scale and 10-sampler shell.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only some embodiments, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example 1
Referring to fig. 1, the embodiment provides a liquid sampler for raman spectroscopy online detection, which includes a sampler shell 10, the sampler shell 10 is internally connected with a filtering device 2 and a micro liquid suction pump 4 in sequence from bottom to top through a liquid inlet pipe 3, the top of the sampler shell 10 is detachably connected with a liquid storage container 7, specifically, the liquid storage container 7 is connected through threads, the connection mode is simple and reliable, the liquid storage container 7 can be integrally and conveniently detached for cleaning through detachable connection, a top cover 8 is arranged on the top of the liquid storage container 7, the top cover 8 can be opened to pour a liquid sample conveniently, the sampler shell 10 and the liquid storage container 7 are made of transparent materials, wherein the sampler shell 10 is made of plastic materials, the liquid storage container 7 is made of quartz transparent materials, the light transmittance is good, and raman spectroscopy data can be directly collected by a raman spectrometer;
the liquid storage container 7 is connected with a micro liquid suction pump 4 through a liquid inlet pipe 3, and an outlet of the micro liquid suction pump 4 is provided with a check valve 6 to prevent the micro liquid suction pump from being damagedLiquid flows backwards, a filtering material is arranged in the filtering device 2, the filtering material is QuEChERS filler which comprises MgSO4NaCl, TSCD and DHS, proportional mixing forms, and this filler can be arranged in the strong fluorescence background material of pigment in the filtering liquid, avoids influencing Raman spectroscopy collection raman spectrum data, 2 bottoms of filter equipment are connected with imbibition subassembly 1, sample thief casing 10 side is equipped with handle 5, and the setting of handle 5 makes things convenient for operating personnel to grip, and 5 surfaces of handle are equipped with control button such as switch, the capacity of liquid is absorb in convenient control, and the inside battery that embeds of handle 5 supplies with as the energy of electrical part.
In this embodiment, the working flow of the liquid sampler is as follows: when sampling is needed, the liquid storage container 7 is connected to the top end of the sampler shell 10, and the liquid suction assembly 1 is arranged at the bottom of the filtering device 2, so that the liquid storage container 7 and the liquid suction assembly 1 can be taken down when not in use, the liquid storage container and the liquid suction assembly are convenient to store and carry, and the occupied space is reduced; the equipment is accomplished back imbibition subassembly 1 and is inserted and absorb liquid during the use, under miniature imbibition pump 4's effect, liquid upwards flows, through filter equipment 2 with the strong fluorescence background material filtering of pigment in the liquid, avoid influencing raman spectroscopy collection raman spectroscopy data, then liquid is gone into in the stock solution container 7 by the pump, examine time measuring, stock solution container 7 is connected with raman spectroscopy, direct to the inside liquid sample of stock solution container 7 detect can, need not to shift liquid to outside storage container in, both avoided shifting the unrestrained of liquid bring, operating time has also been saved, be applicable to online detection.
Example 2
This embodiment is further preferable from embodiment 1, in which the liquid suction assembly 1 includes a needle 101, a straw expansion section 102, and a straw fixing section 103, the straw fixing section 103 is connected to a liquid inlet at the bottom of the filtering device 2, the straw expansion section 102 is connected between the straw fixing section 103 and the needle 101, wherein the straw fixing section 103 is in threaded connection with one end of the straw expansion section 102, and the needle 101 is in threaded connection with the other end of the straw expansion section 102.
In this embodiment, through set up straw extension section 102 between straw canned paragraph 103 and syringe needle 101, whether straw extension section 102 is installed to length selection as required, when needs the male degree of depth is darker, straw extension section 102 can expand the male degree of depth, avoid the depth of insertion not enough to inhale the phenomenon of liquid to take place, and simultaneously, because be threaded connection between straw extension section 102 and straw canned paragraph 103 and the syringe needle 101, when not using, syringe needle 101 and straw extension section 102 all can be twisted off, reduce the holistic space size of liquid sample thief, conveniently carry and accomodate.
Example 3
In this embodiment, it is further preferable that, on the basis of embodiment 1, the outer surface of the liquid storage container 7 is provided with a volume scale 9. In this embodiment, store liquid sample through setting up liquid storage container 7, liquid storage container 7 is connected with the raman spectroscopy appearance, can directly detect the inside liquid sample of liquid storage container 7, need not to shift liquid to outside storage container in, the unrestrained that has both avoided shifting liquid to bring, operating time and flow have also been saved, the setting of capacity scale 9 can make things convenient for operating personnel to observe the capacity of the liquid of absorption, both avoided liquid sample too much to cause the waste, also avoided the sample too few unable measuring.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not substantially depart from the scope of the embodiments of the present invention, and are intended to be covered by the claims and the specification.
Claims (6)
1. The utility model provides a liquid sampler for online detection of raman spectroscopy, includes sample thief casing (10), its characterized in that, inside from the bottom up of sample thief casing (10) has connected gradually filter equipment (2) and miniature imbibition pump (4) through feed liquor pipe (3), can dismantle at sample thief casing (10) top and connect stock solution container (7), stock solution container (7) top is equipped with top cap (8), stock solution container (7) are connected with miniature imbibition pump (4) through feed liquor pipe (3), the export of miniature imbibition pump (4) is equipped with check valve (6), filter equipment (2) inside is equipped with filtering material, filter equipment (2) bottom is connected with imbibition subassembly (1), sample thief casing (10) side is equipped with handle (5).
2. The liquid sampler for the on-line detection of Raman spectroscopy according to claim 1, wherein the pipetting assembly (1) comprises a needle (101), a pipette expansion section (102) and a pipette fixing section (103), the pipette fixing section (103) is connected with a liquid inlet at the bottom of the filtering device (2), and the pipette expansion section (102) is connected between the pipette fixing section (103) and the needle (101).
3. The liquid sampler for on-line Raman spectroscopy according to claim 2, wherein the pipette fixture (103) is screwed with one end of the pipette extension section (102), and the needle (101) is screwed with the other end of the pipette extension section (102).
4. A liquid sampler for raman spectroscopy on-line detection according to claim 1, wherein the sampler housing (10) and the reservoir (7) are both made of transparent material.
5. A liquid sampler for raman spectroscopy on-line detection according to claim 1, wherein the outer surface of the liquid storage container (7) is provided with a volume scale (9).
6. A liquid sampler for raman spectroscopy on-line detection according to claim 1, characterized in that the filtering material inside the filtering means (2) is a QuEChERS packing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428788.XU CN214041156U (en) | 2020-10-28 | 2020-10-28 | Liquid sampler for Raman spectrum online detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022428788.XU CN214041156U (en) | 2020-10-28 | 2020-10-28 | Liquid sampler for Raman spectrum online detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214041156U true CN214041156U (en) | 2021-08-24 |
Family
ID=77355819
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022428788.XU Expired - Fee Related CN214041156U (en) | 2020-10-28 | 2020-10-28 | Liquid sampler for Raman spectrum online detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214041156U (en) |
-
2020
- 2020-10-28 CN CN202022428788.XU patent/CN214041156U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210824 |