CN207181276U - A kind of on-line sample cup device and on-line checking spectrophotometer - Google Patents
A kind of on-line sample cup device and on-line checking spectrophotometer Download PDFInfo
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- CN207181276U CN207181276U CN201721129152.7U CN201721129152U CN207181276U CN 207181276 U CN207181276 U CN 207181276U CN 201721129152 U CN201721129152 U CN 201721129152U CN 207181276 U CN207181276 U CN 207181276U
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- sample
- cup
- sealing
- spectrophotometer
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- 238000005070 sampling Methods 0.000 claims abstract description 43
- 238000007789 sealing Methods 0.000 claims abstract description 39
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 31
- 239000011148 porous material Substances 0.000 claims abstract description 23
- 239000010453 quartz Substances 0.000 claims abstract description 12
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 12
- 230000003287 optical effect Effects 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
- 239000000523 sample Substances 0.000 description 112
- 238000004140 cleaning Methods 0.000 description 11
- 101100327917 Caenorhabditis elegans chup-1 gene Proteins 0.000 description 9
- 239000007788 liquid Substances 0.000 description 7
- 238000012544 monitoring process Methods 0.000 description 5
- 238000012360 testing method Methods 0.000 description 5
- 238000004448 titration Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000945 filler Substances 0.000 description 4
- 238000001514 detection method Methods 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 239000005864 Sulphur Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000006210 lotion Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000012488 sample solution Substances 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 210000005069 ears Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 230000004313 glare Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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- Optical Measuring Cells (AREA)
Abstract
It the utility model is related to a kind of on-line sample cup device and on-line checking spectrophotometer, on-line sample cup device includes quartzy cup, covered in sealing, seal lower cover, sample introduction peristaltic pump, go out sample peristaltic pump and two shading sampling pipes, quartzy cup removes bottom by quartz curette and formed, lower cover is covered and sealed in sealing is individually fixed in the upper of quartzy cup, on under shed, two shading sampling pipes are separately mounted to seal lid, seal in the pore of lower cover and connected with quartzy cup, sample introduction peristaltic pump accesses the shading sampling pipe being connected with sealing lower cover, go out the shading sampling pipe that the access of sample peristaltic pump connects with sealing top cap；Lower cover is covered and sealed in on-line checking spectrophotometer, on quartzy cup, sealing to be respectively positioned in sample cell, sample introduction peristaltic pump and is gone out sample peristaltic pump and is respectively positioned on outside sample cell；The device can automatic sucking sample and automatic back flow, do not lose sample, can not only determine the sample of equilibrium system, it may also be used for the sample in METHOD FOR CONTINUOUS DETERMINATION course of reaction.
Description
Technical field
It the utility model is related to a kind of spectrophotometer, and in particular to can be with the spectrophotometer and its sample of on-line checking
Cup device, belong to chemical analysis test engineering device technique field.
Background technology
The specimen cup of spectrophotometer uses simple quartz curette at present, must be varied manually when varying, and experimenter will
Sample pours into specimen cup, is then measured by light path of spectrophotometer, and multiple samples are needed to use when determining multiple samples
Cup, multiple specimen cups order is arranged and fixed by sample cup bracket, sample cell bottom land sets slide rail, is moved for sample cup bracket
It is dynamic, for determining multiple samples.Thus raw sample cup need to may bring error by sample cup bracket switching position.
For the measure of the sample in course of reaction, it is to inject specimen cup after sample is taken from reaction system point, departs from anti-
Answer system determined off-line, it is impossible to the real-time status of representative sample, and it is cumbersome, it is necessary to which operating personnel frequently contact biochemical examination
Agent, endanger operator's health.It is actual to usually require multiple specimen cups, consume more raw material.Sample also needs to after having determined
Manual-cleaning specimen cup varies again, inconvenient for use, and determination efficiency is low.
The content of the invention
Manual-cleaning, offline sample introduction are needed for existing spectrophotometer specimen cup, it is impossible to continuous sampling, and use more
Individual specimen cup need to correct the limitation of cup difference, and the purpose of this utility model is to overcome above-mentioned deficiency and provide one kind and realize sample
Online, the sample cup device and spectrophotometer of auto injection.
Technical scheme is used by realizing the utility model purpose, a kind of on-line sample cup device, including quartzy cup,
Covered in sealing, seal lower cover, sample introduction peristaltic pump, go out sample peristaltic pump and two shading sampling pipes, the quartzy cup is by quartz curette
Remove bottom to form, lid and sealing lower cover are individually fixed on the upper and lower opening of quartzy cup in sealing, are covered and are sealed in sealing
Open up pore in lower cover, two shading sampling pipes are separately mounted to seal in lid, the pore for sealing lower cover, and two shadings are adopted
Sample Guan Junyu quartz cup connects, and sample introduction peristaltic pump accesses the shading sampling pipe being connected with sealing lower cover, goes out the access of sample peristaltic pump
The shading sampling pipe connect with sealing top cap.
The pore covered in the sealing is threeway pore, and the shading sampling pipe connect with sealing top cap is fixed on threeway pore
Sample outlet hole section in, two other hole section of threeway pore is respectively with quartzy cup and extraneous connecting.
Exhaust outlet is set in the hole section being in communication with the outside of threeway pore, and the outlet height of exhaust outlet is higher than sample outlet hole section institute
Height in position.
The utility model is also corresponding to provide the on-line checking spectrophotometer based on above-mentioned on-line sample cup device, at least
Lower cover is covered and seals including spectrophotometer main body, on quartzy cup, sealing to be respectively positioned in the sample cell of spectrophotometer main body,
Quartz curette body is located in the light path between the Optical Transmit Unit and light receiving unit of spectrophotometer, the sample of spectrophotometer main body
Two tube passages are offered in product groove lid, two shading sampling pipes are drawn by two tube passages from sample cell, and sample introduction is wriggled
Pump and go out sample peristaltic pump and be respectively positioned on outside sample cell.
The tube passage is opened on the side of sample groove lid.
Opacifying fillers are provided with the tube passage.
Specimen cup screens is provided with the sample cell, quartzy cup is fixed by specimen cup screens.
The specimen cup screens is two small using light path as the symmetrically arranged circular arc anchor ear of symmetry axis, the radian of circular arc anchor ear
In 180 °.
As shown from the above technical solution, on-line sample cup device provided by the utility model changes existing specimen cup knot
Structure, by going bedstone English cup and upper and lower ends band pore sealing-plug to form, two shading sampling pipes connect up and down specimen cup respectively
Two sealing-plugs, any one section of connection peristaltic pump of shading sampling pipe, due to setting two peristaltic pumps, therefore two shading sampling pipes
Interior liquid flows to adjustable, balances quartzy cup inside and outside differential pressure by covering the exhaust outlet that sets in sealing, ensures that sample introduction is smooth.Will
The sampling mouth of pipe of two shading sampling pipes is placed in the shuttle of peripheral hardware simultaneously, and two peristaltic pump traffic directions are identical, you can
Real-time sample introduction, automatic sucking sample and automatic back flow are realized, the sample in shuttle is changed into cleaning fluid then can on-line cleaning
Specimen cup；The sampling mouth of pipe of shading sampling pipe is placed in two different shuttles, two peristaltic pump traffic directions on the contrary,
One is used for sample introduction, and one is used to titrate, and does not depart from reaction system, titration process continuous monitoring can be achieved.
On-line checking spectrophotometer provided by the utility model, because specimen cup can be with automatic sample-changing, therefore do not need
By sample cup bracket and slide rail mobile example cup, thus eliminated in sample cell existing spectrophotometric be calculated as varying or multiple spot prison
The sample cup bracket and slide rail surveyed and set, it is only necessary to which quartzy cup is fixed in specimen cup screens, and specimen cup screens does not interfere with
Light path by the way that sample sump volume can accordingly reduce, to concede the other assemblies of more space mounting spectrophotometers.Sample cell
Cover and open up tube passage, passed for two shading sampling pipes, opacifying fillers ensure the shaded effect at tube passage.
Compared with prior art, the utility model has the advantage of：
1st, driven using peristaltic pump, devise cleaning and sample introduction pipeline, automatic sucking and backflow sample, cycle sampling can
Dynamic and static two kinds of sample introduction patterns are realized, without varying manually, the automatic cleaning of realization and online real-time sample introduction, it is logical to design backflow
Road makes detection sample can not be departed from reaction system with back flow reaction system, realize online sample detection, can in real time be monitored and reacted
Journey, sample is extracted from reaction system at any time.
Quartz cup is fixed in sample cell all the time when the 2nd, due to detection, will not be moved, therefore cup difference is completely eliminated
Adverse effect, and the use for reducing specimen cup is varied online, a quartzy cup can meet different requirements.
3rd, device is simple to operate, automatic sucking sample and automatic back flow, does not lose sample, can not only determine equilibrium system
Sample, it may also be used for the sample in METHOD FOR CONTINUOUS DETERMINATION course of reaction, realize to sample real time on-line monitoring.Such as：Can be in not shadow
In the case of ringing reaction system, judge that burning iodimetric titration surveys the titration end-point of sulphur；Real-time continuous monitoring sewage discharge index etc..
Brief description of the drawings
Fig. 1 is the structural representation of on-line sample cup device provided by the utility model.
Fig. 2 is the structural representation of on-line checking spectrophotometer provided by the utility model.
Fig. 3 uses structure chart one for on-line sample cup device.
Fig. 4 uses structure chart two for on-line sample cup device.
Wherein, 1- quartz cup, 2- are sealed and covered, and 3- sealing lower covers, 4- goes out sample shading sampling pipe, 5- sample introductions shading sampling
Pipe, 6- go out sample peristaltic pump, 7- sample introduction peristaltic pumps, 8- threeway pores, 9- exhaust outlets；200- spectrophotometer main bodys, 21- samples
Groove, 22- sample groove lids, 23- Optical Transmit Units, 24- light receiving units, 25- light paths, 26- specimen cup screens, 27- tube passages,
28- shading sealing strips；300- testing sample cups, 400- washing lotion cups, 500- waste liquid cups.
Embodiment
The utility model is illustrated in detail with reference to the accompanying drawings and examples, content of the present utility model not office
It is limited to following examples.
Referring to Fig. 1, a kind of on-line sample cup device, including lid 2, sealing lower cover 3, sample introduction are wriggled on quartzy cup 1, sealing
Pump 7, go out sample peristaltic pump 6, sample introduction shading sampling pipe 5 and go out sample shading sampling pipe 4, the quartzy cup 1 is removed down by quartz curette
Bottom is formed, and lid 2 and sealing lower cover 3 are individually fixed on the upper and lower opening of quartzy cup 1 in sealing, close quartzy cup, quartz
Accommodate sample solution to be detected in cup, pore, the He of sample introduction shading sampling pipe 5 are opened up in lid 2 and sealing lower cover 3 in sealing
Go out in the pore that sample shading sampling pipe 4 is separately mounted to seal lower cover 3 and the upper lid 2 of sealing, two shading sampling pipes with quartz
Cup 1 connects, sample solution bottom in and top out, and sample introduction peristaltic pump 7, which accesses sample introduction shading sampling pipe 5, goes out sample peristaltic pump 6 accesses out sample
Shading sampling pipe 4；The pore of lid 2 is threeway pore 8 in the sealing, goes out sample shading sampling pipe 4 and is fixed on going out for threeway pore 8
In sample hole section, two other hole section of threeway pore 8 connects with quartzy cup 1 and the external world respectively, and threeway pore 8 connects with the external world
Exhaust outlet 9 is set in logical hole section, and the outlet height of exhaust outlet 9 is higher than the height of sample outlet hole section position, ensures sample liquid
Body will not flow out from exhaust outlet 9.
Referring to Fig. 2, the present embodiment is also corresponding to provide the on-line checking spectrophotometric based on above-mentioned on-line sample cup device
Meter, including at least spectrophotometer main body 200, lid 2 and sealing lower cover 3 are respectively positioned on spectrophotometer master on quartzy cup 1, sealing
In the sample cell 21 of body 200, be provided with specimen cup screens 26 in sample cell 21, the specimen cup screens 26 be two using light path as pair
The circular arc anchor ear for claiming axial symmetry to set, quartzy cup 1 is fixed by specimen cup screens, the Optical Transmit Unit positioned at spectrophotometer
In light path 25 between 23 and light receiving unit 24, the radian of circular arc anchor ear is less than 180 °, ensures there is one between two anchor ears
Fixed gap, passed through for light path 25, two tube passages 27 offered on the side of the sample groove lid 22 of spectrophotometer main body 200,
Two shading sampling pipes are drawn by two tube passages from sample cell 21, are provided with opacifying fillers in tube passage, in the present embodiment,
Tube passage is the aperture being opened on sample groove lid side, and opacifying fillers use black cloth, avoid light from entering at aperture
Sample cell, sample introduction peristaltic pump 7 and goes out sample peristaltic pump 6 and is respectively positioned on outside sample cell 21, easy to operation, to ensure shaded effect, in sample
Product groove lid 22 is additionally provided with shading sealing strip 28 with the position that spectrophotometer main body 200 is connected, and ensures in sample cell without veiling glare
Into.
The on-line checking spectrophotometer can realize auto injection, automatic cleaning, automatic sucking sample and automatic back flow, no
Lose sample.Its is simple to operate, can not only determine the sample of equilibrium system, it may also be used for the sample in METHOD FOR CONTINUOUS DETERMINATION course of reaction
Product, realize to sample real time on-line monitoring.Such as：It can judge that burning iodimetric titration surveys sulphur in the case where not influenceing reaction system
Titration end-point；Real-time continuous monitoring sewage discharge index etc..Concrete operation method is as follows：
1st, reaction system is monitored on-line
Referring to Fig. 3, two shading sampling pipes 4,5 are put into the testing sample cup 300 for being loaded with testing sample simultaneously,
Under the driving effect of peristaltic pump 6,7, sample is entered in quartzy cup 1 by lower end sample introduction shading sampling pipe 5, and bottom in and top out can avoid
Bubble is produced in quartzy cup 1.Light path of spectrophotometer produces absorption by the sample of quartzy transparent area (quartzy cup), so as to
Produce signal.Sample is back in testing sample cup 300 from sample shading sampling pipe 4 is gone out, driving of the whole system in peristaltic pump 6,7
Lower circulation sample introduction.This is dynamic mode, can on-line uninterruption sample introduction, monitor reaction system real-time change.
2nd, automatic cleaning sample cup
Referring to Fig. 4, lower end sample introduction shading sampling pipe 5 is put into the washing lotion cup 400 for being loaded with cleaning fluid, above brings out sample screening
Optical Sampling pipe 4 is put into waste liquid cup 500, opens two peristaltic pumps 6,7, liquid clockwise flow, you can realizes automatic cleaning.Clearly
After washing, sample introduction shading sampling pipe 5 is put into waste liquid cup, reversion sample introduction peristaltic pump 7 (liquid counterclockwise flow), you can emptying
Cleaning fluid.
Claims (8)
- A kind of 1. on-line sample cup device, it is characterised in that：Including lower cover, sample introduction wriggling are covered, sealed in quartzy cup, sealing Pump, go out sample peristaltic pump and two shading sampling pipes, the quartzy cup removes bottom by quartz curette and formed, covers and seal in sealing Lower cover is individually fixed on the upper and lower opening of quartzy cup, opens up pore in lid and sealing lower cover in sealing, two shadings are adopted Sample pipe is separately mounted to seal in lid, the pore for sealing lower cover, and two shading sampling pipes connect with quartzy cup, and sample introduction is compacted Dynamic pump accesses the shading sampling pipe being connected with sealing lower cover, goes out the shading sampling pipe that the access of sample peristaltic pump connects with sealing top cap.
- 2. on-line sample cup device according to claim 1, it is characterised in that：The pore covered in the sealing is three-way pipe Hole, the shading sampling pipe connect with sealing top cap are fixed in the sample outlet hole section of threeway pore, two other hole of threeway pore Section connects with quartzy cup and the external world respectively.
- 3. on-line sample cup device according to claim 2, it is characterised in that：The hole section being in communication with the outside of threeway pore Upper setting exhaust outlet, the outlet height of exhaust outlet are higher than the height of sample outlet hole section position.
- A kind of 4. on-line checking spectrophotometer based on on-line sample cup device described in claim 1, including at least light splitting light Degree meter main body, it is characterised in that：The sample cell that lower cover is respectively positioned on spectrophotometer main body is covered and sealed on quartzy cup, sealing In, quartz curette body is located in the light path between the Optical Transmit Unit and light receiving unit of spectrophotometer, spectrophotometer main body Sample cell cover and offer two tube passages, two shading sampling pipes are drawn by two tube passages from sample cell, sample introduction Peristaltic pump and go out sample peristaltic pump and be respectively positioned on outside sample cell.
- 5. on-line checking spectrophotometer according to claim 4, it is characterised in that：The tube passage is opened in sample cell On the side of lid.
- 6. on-line checking spectrophotometer according to claim 4, it is characterised in that：Filled out in the tube passage provided with shading Material.
- 7. on-line checking spectrophotometer according to claim 4, it is characterised in that：Specimen cup is provided with the sample cell Screens, quartzy cup are fixed by specimen cup screens.
- 8. on-line checking spectrophotometer according to claim 7, it is characterised in that：The specimen cup screens be two with Light path is the symmetrically arranged circular arc anchor ear of symmetry axis, and the radian of circular arc anchor ear is less than 180 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129152.7U CN207181276U (en) | 2017-09-05 | 2017-09-05 | A kind of on-line sample cup device and on-line checking spectrophotometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721129152.7U CN207181276U (en) | 2017-09-05 | 2017-09-05 | A kind of on-line sample cup device and on-line checking spectrophotometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207181276U true CN207181276U (en) | 2018-04-03 |
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ID=61742968
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721129152.7U Expired - Fee Related CN207181276U (en) | 2017-09-05 | 2017-09-05 | A kind of on-line sample cup device and on-line checking spectrophotometer |
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| Country | Link |
|---|---|
| CN (1) | CN207181276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342340A (en) * | 2018-11-05 | 2019-02-15 | 江苏天宇检测技术有限公司 | A kind of spectrophotometer light barrier |
-
2017
- 2017-09-05 CN CN201721129152.7U patent/CN207181276U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109342340A (en) * | 2018-11-05 | 2019-02-15 | 江苏天宇检测技术有限公司 | A kind of spectrophotometer light barrier |
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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: 20180403 Termination date: 20210905 |
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| CF01 | Termination of patent right due to non-payment of annual fee |