CN104819863B - A kind of sample feeding pipe - Google Patents
A kind of sample feeding pipe Download PDFInfo
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- CN104819863B CN104819863B CN201510220654.XA CN201510220654A CN104819863B CN 104819863 B CN104819863 B CN 104819863B CN 201510220654 A CN201510220654 A CN 201510220654A CN 104819863 B CN104819863 B CN 104819863B
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- sample
- feeding pipe
- support ring
- sample feeding
- support base
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- 230000007306 turnover Effects 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 8
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 7
- 238000012360 testing method Methods 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 2
- 230000000630 rising effect Effects 0.000 claims description 2
- 238000012545 processing Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000003754 machining Methods 0.000 abstract 1
- 238000005481 NMR spectroscopy Methods 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- 239000000725 suspension Substances 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000000034 method Methods 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
- 230000005622 photoelectricity Effects 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The invention discloses a kind of sample feeding pipe, the sample feeding pipe includes the pipeline for realizing sample turnover, and it is installed on the mounting seat of the pipeline upper end and the support ring of its end, the outside of support ring is arranged with support base, some gas channels are provided between mounting seat and support base, some L-type passages, its one end and gas channel UNICOM are offered in support base, other end and support ring UNICOM, and the effect to the sample is realized by the stomata being opened in support ring.According to sample feeding pipe of the invention, the structure of support base and support ring is optimized, the function that sample suspends and rotates is completed using air-flow all the way, reduce difficulty of processing, machining accuracy, so as to reduce processing cost, convenient manufacture and assemble.
Description
Technical field
The invention belongs to nuclear magnetic resonance chemical analyser field, nuclear magnetic resonance ripple is passed in and out more particularly, to a kind of sample
The sample feeding pipe of spectrometer.
Background technology
Essential part when sample feeding pipe is nuclear magnetic resonance chemical analyser analysis sample, be sample into and out of
Passage, sample feeding pipe is a kind of hollow tubular structural member, is vertically arranged to the superconducting magnet center of nuclear magnetic resonance chemical analyser, by
There is certain weight in sample, and be positioned over the bottom of sample feeding pipe, in order to sample lentamente is put into sample feeding pipe, it is necessary to
There is provided a kind of upward and ever-reduced air-flow of flow so that sample slowly lowers into sample introduction in the case where the support of air-flow is dynamic
Pipe, opposite, when needing sample ejection sample feeding pipe, sample feeding pipe needs to provide the air-flow that upward and flow constantly increases, and makes
Sample ejection sample feeding pipe in the case where the support of air-flow is dynamic, meanwhile, sometimes for the test request for realizing specific function, sample
Needs are rotated in sample introduction bottom of the tube, and the air-flow for now providing is certain upward air-flow so that sample is in suspension
State, and the air-flow of a circumferencial direction is provided so that sample is rotated.
Sample feeding pipe of the prior art is that a fixed disk is set above pipeline, above have access complete sample sample introduction,
Go out the gas channel and the cable connector of the measurement speed of rotation of sample and spinfunction, pipeline lower section is provided with a supporting, accepts
One support ring of multiple cavities is installed inside part, is connected with flexible tracheae and flexible cable between cable connector and supporting
Connect, but there is following defect in the sample feeding pipe in above-mentioned prior art：
(1) fixed disk above pipeline realizes fixation and tracheae, the linkage function of cable connector of sample feeding pipe, but pipe simultaneously
Road usually needs to adjust the position of fixed disk when mounted, and the tracheae and cable for connecting below cause the adjustment of fixed disk and peace
Dress is all relatively difficult；
(2) cable and tracheae are wrapped on pipeline, when the position of fixed disk is adjusted, the position of cable and tracheae needs weight
New adjustment, it is easy to the problems such as tracheae is extruded, cable or tracheae come off occur, install more difficult；
(3) position of fixed disk is without substantially mark, it is necessary to tune is repeated in sample feeding pipe folding or when readjusting position
It is whole and test determining optimum position point；
(4) using suspension gas and all the way rotary pneumatic all the way, suspension gas when realizing rotation respectively straight up, makes sample
In suspended state, rotary pneumatic is horizontal circumferencial direction, is rotated sample, and such design needs at least 3 road gas
The input of stream, the design of Pneumatic component is sufficiently complex, and required precision is high, increased the manufacturing cost of sample feeding pipe.
The content of the invention
For the disadvantages described above or Improvement requirement of prior art, the invention provides a kind of sample feeding pipe, its object is to carry
For a kind of simple structure, low cost and nuclear magnetic resonance chemical analyser sample feeding pipe easy to install.
To achieve the above object, according to one aspect of the present invention, there is provided a kind of sample feeding pipe, it is characterised in that this enters
Sample pipe is included for realizing the pipeline of sample turnover, and is installed on mounting seat and its end of the pipeline upper end
Support ring, the outside of the support ring is arranged with support base, if being provided with dry gas stream between the mounting seat and the support base
Passage, offers some L-type passages, its one end and the gas channel UNICOM, other end and the branch in the support base
Pushing out ring region UNICOM, and by being opened in the stomatal action on the support ring wall in the sample, the support
Ring is provided with the sealing structure of some projections, and some air chambers are formed between sealing structure and the support base, the L-type passage
The length of vertical portion passage is different, thus different passage UNICOMs to different air chambers, in the corresponding support ring of each air chamber
Some passages are offered, thus air-flow acts on the sample by it.
Further, the end face of the close described sample of the support ring offers some rotation stomatas, and its
The sealing structure where running through it, thus formed in its corresponding described sealing structure circumferentially it is tangential simultaneously with end
Face has multiple swirling eddy passages at oblique angle.
Further, the sensor for testing detected sample rotating speed is installed on the support base.
Further, the pipeline outside is arranged with regulating flange, its fitting depth for being used to adjust the sample feeding pipe, institute
The outer wall for stating pipeline is additionally provided with scale.
Further, the mounting seat is provided with monitoring sensor, the turnover sample state for detecting the sample.
Further, the gas channel is the metal tube being fixed between the mounting seat and the support base.
Further, the metal tube is in rising structure.
In general, by the contemplated above technical scheme of the present invention compared with prior art, can obtain down and show
Beneficial effect：
(1) structure of support base and support ring is optimized, the function that sample suspends and rotates is completed using air-flow all the way,
And need not the complicated gas piece of mounting structure again, difficulty of processing is reduced, so as to reduce processing cost, convenient manufacture and fill
Match somebody with somebody；
(2) be not in use the situation of Pipeline damage using the support base below metal tube connecting pipe,
Reliability, security that sample feeding pipe is used are enhanced, using more convenient；
(3) above the pipeline of sample feeding pipe be provided with joint mounting seat and regulating flange so that sample feeding pipe install and tracheae,
Cable linkage function is separated；
(4) sensor is equipped with support base and joint mounting seat, can detects whether sample introduction bottom of the tube and top deposit
In sample, sample feeding pipe working condition when in use is set to be in visual, controllable state.
Brief description of the drawings
Fig. 1 is the overall structure diagram of the sample feeding pipe realized according to the present invention；
Fig. 2 is the structural representation of the support base of the sample feeding pipe realized according to the present invention；
Fig. 3 is the overall structure diagram of the support ring of the sample feeding pipe realized according to the present invention；
Fig. 4 is the front view of the support ring of the sample feeding pipe realized according to the present invention.
In all of the figs, identical reference be used for represent identical element or structure, wherein：
1- exhaust passages 2- joint mounting seat 3- status monitoring sensor 4- regulating flange 5- scale 6- pipelines 7-
Support base 8- support ring 9- sample introduction gas channel 10- swirling eddy passages 11- goes out sample gas channel 12- metal tubes 13-
Upright opening 14- stopper 15- radial holes 16- test sensor 17- rotation stomata 18- the first sealing ring the first air chambers of 19-
20- the second sealing ring the second air chambers of 21- 22- goes out the sealing rings of sample stomata 23- the 3rd.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.As long as additionally, technical characteristic involved in invention described below each implementation method
Not constituting conflict each other can just be mutually combined.
As shown in figure 1, sample feeding pipe proposed by the present invention is pacified by support base 7, support ring 8, pipeline 6, regulating flange 4 and joint
Dress seat 2, status monitoring sensor 3 and test sensor 16, sample introduction gas channel 9, swirling eddy passage 10, go out sample gas channel
11 and exhaust passage 1 grade parts composition.
Its center tap mounting seat 2 is arranged at the upper end of pipeline 6, its joint for installing various gas channels, joint mounting seat 2
On be additionally provided with status monitoring sensor 3 detection sample pass in and out sample state, the status monitoring sensor can be reflection type photoelectricity
Sensor, correlation electro-optical pickoff.The outer wall of pipeline 6 is provided with scale 5, can be moved up and down by regulating flange 4, from
And the fitting depth of sample feeding pipe is quantitatively adjusted, flange 4 is two disks of semicircle, is formed by the mode connects for screw at two ends, unclamps two
The screw flange 4 at end can be moved up and down along pipeline 6, and reaching needs position to be mounted to tighten two end flanges, and flange just can be with
Hold pipeline tightly to be integral with, last flange has determined that the installation of sample feeding pipe installed in the top of the magnet for placing sample feeding pipe
Depth.
Wherein support ring 8 is installed in the lower section of pipeline 6, and support base 7 is set in the outside of support ring 8, the wherein knot of support base 7
Structure along the axially arranged of pipeline 6 on support base 7 as shown in Fig. 2 have upright opening 13 and radial hole 15, the central shaft of holes is same
In plane, holes mutually runs through, and the outside of radial hole is blocked by stopper 14, and such upright opening 13 and radial hole 15 constitute L-type
The gas channel in direction, and the gas channel in the different depth thus L-type direction is reached by setting upright opening 13 can be with
UNICOM to the position of the different height of support ring 8, on gas channel as having four groups on the support base 7, wherein support base 7
Sensor 16 is also equipped with for detecting the rotating speed of sample.
The overall structure of support ring 8 as shown in figure 3, when support ring 8 is installed to the inside of support base 7, support ring 8 it is upper
Portion, middle part and bottom are each provided with the first sealing ring 18, the second sealing ring 20 and the 3rd sealing ring 23, wherein, the first sealing
Air chamber 19 is constituted between the sealing ring 20 of circle 18 and second, air chamber 21 is constituted between the second sealing ring 20 and the 3rd sealing ring 23.
Wherein sample introduction gas channel 9 is by stomata more than L-type passage UNICOM to the end face of support ring 8, swirling eddy passage
10 pass through L-type passage UNICOM to air chamber 19, go out sample gas channel 11 and exhaust passage 1 by L-type passage UNICOM to air chamber 21.
Wherein, the front view of support ring 8 as shown in Figure 4, have on the end face of support ring 8 circumferentially it is tangential simultaneously with end face into
The rotation stomata 17 of one fixed inclination, is consequently formed the jagged swirling eddy passage of triangle as illustrated in the drawing, the gas of support ring 8
The part of room 21 is radially provided with out sample stomata 22.
Exhaust passage end is arranged in joint mounting seat 2, which is provided with throttle valve control capacity.
Operation principle of the invention is as follows：
Its bottom forms closed state after coordinating with other parts when sample feeding pipe is installed, and sample introduction gas channel 9 provides larger
The compressed air of air-flow, allows sample to be hovered at the top of sample feeding pipe in the case where the support of air-flow is dynamic, when air-flow is gradually reduced
Sample can slowly fall into sample feeding pipe, drop down onto the end face of support ring 8, otherwise when air-flow increases by sample from sample introduction
Ejection in pipe.
Swirling eddy passage 10 is passed through compressed air, and gas is discharged from rotation stomata 17 after compressed air enters into air chamber 19
It is applied to the end face of sample.Rotation stomata 17 favours the lower surface of sample, and the air-flow for being applied to sample end face is tested
Sample provides the power of both direction：One power is upward perpendicular to the end face of sample, sample is suspended, the end of sample
Face departs from the end face of support ring 8；Another power provides horizontal direction tangential force to sample, rotates sample, adjusts air inlet
The size of amount can change the rotating speed of sample.
Go out sample gas channel 11 and be passed through compressed air, after compressed air enters into air chamber 21, gas enters from sample stomata 22 is gone out
Enter the ejection that the top that sample feeding pipe is risen to so as to hold up sample to the lower section of sample completes sample.
Tracheae and cable wiring passage between the top of pipeline 6 and support base 7 are packaged in fixed metal tube 12.Adjusting
When saving the installation site of sample feeding pipe, metal tube 12 need not be moved, it is to avoid tracheae and cable wind, roll over repeatedly in background technology
It is folded, the problem that tracheae and cable fall off.
There is no any connector on regulating flange 4, it is only necessary to complete the function of fixed sample feeding pipe, and regulating flange 4 can edge
Pipeline 6 is moved up and down to adjust the position of sample feeding pipe, and pipeline 6 is provided with scale 5, can accurately determine the installation position of flange 4
Put, it is to avoid background technology determines the problem of optimum position by adjustment repeatedly, the sample feeding pipe is easily disposably pacified
It is attached to position.
Support ring proposed by the present invention 8 is passed through air chamber 19 and rotation stomata 17 using air-flow all the way, while realizing detected sample
The suspension of product and spinfunction, compared with background technology, reduce air chamber and the quantity of airflow being passed through, and reduce support ring 8
Complexity, makes the processing of support ring 8 easier, and reduces the external pneumatic number of components of needs, reduces use cost.
It is used to detect the rotating speed of sample on support base 7 equipped with sensor 16, while the sensor can detect sample feeding pipe bottom
Whether with the presence of sample, it is that the rotating speed of sample is measured by scanning the chequered with black and white bar code on sample in portion, sensing
Device position sets according to the bar code region of sample correspondence, and joint mounting seat 2 is provided with status monitoring sensor 3, when tested
Sample is just put into sample feeding pipe or can be detected when being ejected from sample feeding pipe.The use of two sensors ensure that detected sample
The security of product, makes the working condition of sample feeding pipe be in visual, controllable state.
As it will be easily appreciated by one skilled in the art that the foregoing is only presently preferred embodiments of the present invention, it is not used to
The limitation present invention, all any modification, equivalent and improvement made within the spirit and principles in the present invention etc., all should include
Within protection scope of the present invention.
Claims (7)
1. a kind of sample feeding pipe, it is characterised in that the sample feeding pipe includes the pipeline (6) for realizing sample turnover, Yi Jian
The support ring (8) of mounting seat (2) and its end loaded on the pipeline (6) upper end, the outside of the support ring (8) is arranged with
Support base (7), is provided with some gas channels, the support base (7) between the mounting seat (2) and the support base (7)
Some L-type passages, its one end and the gas channel UNICOM are offered, other end joins with the support ring (8) region
It is logical, and by being opened in the stomatal action on the support ring (8) wall in the sample, the support ring (8) is provided with
Some raised sealing structures (18,20,23), form some air chambers (19,21) between sealing structure and the support base (7),
The length of the vertical portion passage of the L-type passage is different, thus different passage UNICOMs to different air chambers, each air chamber pair
Some passages are offered in the support ring (8) answered, thus air-flow acts on the sample by it.
2. sample feeding pipe as claimed in claim 1, it is characterised in that the end of the close described sample of the support ring (8)
Face offers some rotations stomata (17), and the sealing structure where it runs through it, thus corresponding described at its
Form circumferentially tangential while having multiple swirling eddy passages at oblique angle with end face in sealing structure.
3. sample feeding pipe as claimed in claim 2, it is characterised in that be provided with the support base (7) detected for testing
The sensor of sample rotating speed.
4. sample feeding pipe as claimed in claim 3, it is characterised in that pipeline (6) outside is arranged with regulating flange (4), its
Fitting depth for adjusting the sample feeding pipe, the outer wall of the pipeline (6) is additionally provided with scale (5).
5. sample feeding pipe as claimed in claim 4, it is characterised in that the mounting seat (2) is provided with monitoring sensor (3), uses
In the turnover sample state for detecting the sample.
6. the sample feeding pipe as described in any one in claim 1-5, it is characterised in that the gas channel is described to be fixed on
Metal tube between mounting seat (2) and the support base (7).
7. sample feeding pipe as claimed in claim 6, it is characterised in that the metal tube is in rising structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220654.XA CN104819863B (en) | 2015-05-04 | 2015-05-04 | A kind of sample feeding pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510220654.XA CN104819863B (en) | 2015-05-04 | 2015-05-04 | A kind of sample feeding pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104819863A CN104819863A (en) | 2015-08-05 |
| CN104819863B true CN104819863B (en) | 2017-06-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510220654.XA Active CN104819863B (en) | 2015-05-04 | 2015-05-04 | A kind of sample feeding pipe |
Country Status (1)
| Country | Link |
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| CN (1) | CN104819863B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165389A (en) * | 2011-12-19 | 2013-06-19 | 中国科学院大连化学物理研究所 | Sample introduction device |
| CN103383399A (en) * | 2013-07-25 | 2013-11-06 | 中国科学院武汉物理与数学研究所 | Air-operated sample feeding device for laser detection nuclear magnetic resonance (NMR) signal device |
| CN204649458U (en) * | 2015-05-04 | 2015-09-16 | 武汉中科波谱技术有限公司 | A kind of sample feeding pipe |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002202316A (en) * | 2000-11-01 | 2002-07-19 | Jeol Ltd | Analyzing system and analyzing method |
| DE102004029632B4 (en) * | 2004-06-18 | 2011-06-09 | Bruker Biospin Gmbh | Method and apparatus for feeding a liquid sample into an NMR spectrometer |
-
2015
- 2015-05-04 CN CN201510220654.XA patent/CN104819863B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103165389A (en) * | 2011-12-19 | 2013-06-19 | 中国科学院大连化学物理研究所 | Sample introduction device |
| CN103383399A (en) * | 2013-07-25 | 2013-11-06 | 中国科学院武汉物理与数学研究所 | Air-operated sample feeding device for laser detection nuclear magnetic resonance (NMR) signal device |
| CN204649458U (en) * | 2015-05-04 | 2015-09-16 | 武汉中科波谱技术有限公司 | A kind of sample feeding pipe |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104819863A (en) | 2015-08-05 |
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Address after: 430075, No. seven, No. 128, East Lake hi tech Development Zone, Wuhan, Hubei, Optics Valley Patentee after: WUHAN ZHONGKE NIUJIN WAVE SPECTRUM TECHNOLOGY Co.,Ltd. Address before: 430075, No. seven, 128 Optics Valley Road, East Lake New Technology Development Zone, Hubei, Wuhan Patentee before: WUHAN ZHONGKE MR TECHNOLOGY Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A type of injection tube Granted publication date: 20170613 Pledgee: Qingshan Branch of Wuhan Rural Commercial Bank Co.,Ltd. Pledgor: WUHAN ZHONGKE NIUJIN WAVE SPECTRUM TECHNOLOGY CO.,LTD. Registration number: Y2024980037072 |
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