CN203192749U - Sample introduction device of ion mobility spectrometry detection system - Google Patents
Sample introduction device of ion mobility spectrometry detection system Download PDFInfo
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- CN203192749U CN203192749U CN2013201903158U CN201320190315U CN203192749U CN 203192749 U CN203192749 U CN 203192749U CN 2013201903158 U CN2013201903158 U CN 2013201903158U CN 201320190315 U CN201320190315 U CN 201320190315U CN 203192749 U CN203192749 U CN 203192749U
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Abstract
The utility model discloses a sample introduction device of an ion mobility spectrometry detection system. The sample introduction device of an ion mobility spectrometry detection system comprises a first sample introduction part, wherein the first sample introduction part is provided with a gas sample load channel and a liquid-solid sample load channel, a thermal desorption device is disposed inside the liquid-solid sample load channel, a sample channel communicated with the outside is disposed at the first sample introduction part corresponding to the thermal desorption device, and the gas sample load channel and the liquid-solid sample load channel are both communicated with a detector, and a second sample introduction part, wherein the second sample introduction part is provided with a sample platform used for placing liquid and solid samples, the second sample introduction part is in a movable fit with the first sample introduction part to drive the sample platform to insert into the sample channel for indirect contact with the heat desorption device. The sample introduction device of the ion mobility spectrometry detection system is capable of achieving not only gas sample introduction, but also liquid and solid sample introduction, i.e., the ion mobility spectrometry detection system with the sample introduction device is capable of detecting gas samples and liquid and solid samples.
Description
Technical field
The utility model relates to a kind of ion mobility spectrometry detection system, specifically a kind of ion mobility spectrometry detection system sampling device.
Background technology
(Ion Mobility Spectrometry, be called for short: IMS), also claim ion mobility spectrometry, be a kind of new gas phase separation and the detection technique that occurs in early 1970s to the ion mobility spectrometry technology.The separation that it carries out ion with the difference of ion drift time is qualitative, by the concept that is similar to chromatographic retention, originally is called as plasma chromatography.Ion mobility spectrometry is divided into 3 major parts usually: with the sample introduction part of outside atmosphere interface; Carry out the migration tube of ionization separation and ion detection; Obtain, analyze and show the checkout gear of spectrogram.
Chinese patent CN102646571A discloses a kind of High-Field asymmetric waveform ion mobility spectrometer based on ion exhausting gas system, comprises Circuits System and transference tube, and described transference tube comprises ion source, separation detecting system and ion wind extract system; The body of transference tube is coated with electrode by two and forms with the substrate that brace summer closely is connected to form gas channel, and described electrode comprises separate mesh electrode, detecting electrode, sparking electrode and extraction electrodes; Wherein separate mesh electrode, detecting electrode and gas channel therebetween constitute separation detecting system, and sparking electrode, extraction electrodes and gas channel therebetween constitute the ion wind extract system; Described ion source places substrate air inlet end inboard.The ion wind circuit adds high voltage and produces the highfield that punctures air-flow between sparking electrode and extraction electrodes, discharge takes place and produces ion in the tip of first sparking electrode and second sparking electrode, these ions arrive first extraction electrodes and second extraction electrodes under electric field action, thereby ion collision gas molecule in traveling process produces directed air-flow, and airflow direction is from the sparking electrode to the extraction electrodes.Namely in this High-Field asymmetric waveform ion mobility spectrometer, the sample gas of testing sample and outside air suck in the High-Field asymmetric waveform ion mobility spectrometer by the ion wind extract system, to be detected after, waste gas is discharged from the gas outlet.
Be in the above-mentioned High-Field asymmetric waveform ion mobility spectrometer based on ion exhausting gas system, gas directly sucks in the High-Field asymmetric waveform ion mobility spectrometer by the ion wind extract system, that is to say, above-mentioned ionic migration spectrometer can only carry out gas and detect, but in the real world applications, not only need to detect gas, also often need to detect solid and fluid sample.
The utility model content
For this reason, technical problem to be solved by this invention is that ionic migration spectrometer of the prior art has only detection gas, and can not be for detection of solid and liquid, and then provide a kind of and can detect the ion mobility spectrometry detection system sampling device that gas can detect solid and liquid again.
For solving the problems of the technologies described above, a kind of ion mobility spectrometry detection system sampling device of the present utility model comprises
The first sample introduction body, arrange on the described first sample introduction body that gaseous sample is written into passage and liquid-solid sample is written into passage, described liquid-solid sample is written into and is provided with thermal analysis apparatus in the passage, the described first sample introduction body of described thermal analysis apparatus correspondence be provided be in communication with the outside put the sample passage; Described gaseous sample is written into passage and liquid-solid sample and is written into passage and all is communicated with detector; With
The second sample introduction body forms on the described second sample introduction body for what place liquid-solid sample and puts the sample platform, and the described second sample introduction body movably cooperates the described sample platform of putting of drive to stretch into described put sample passage and described thermal analysis apparatus indirect contact with the described first sample introduction body.
Also be provided with the diluent gas passage on the described first sample introduction body, described diluent gas passage is written into passage with described gaseous sample respectively and described liquid-solid sample is written into channel connection.
Described gaseous sample is written into passage and described liquid-solid sample and is written into channel part and overlaps and have common gas vent, the carrier gas inlet that described liquid-solid sample is written into passage separates with the air-breathing entrance that described gaseous sample is written into passage, and described thermal analysis apparatus is arranged on and overlaps in the passage.
Described thermal analysis apparatus is arranged on the upstream of described diluent gas passage.
Described carrier gas inlet is connected with blower pump.
Be provided with filter core between described carrier gas inlet and the described blower pump.
The transducer that detects described thermal analysis apparatus temperature also is set in the described first sample introduction body.
The described relatively first sample introduction body of the described second sample introduction body move through Electric Machine Control.
Technique scheme of the present utility model has the following advantages compared to existing technology:
(1) in the utility model, be provided with that gaseous sample is written into passage and liquid-solid sample is written into passage, and described liquid-solid sample is written into and is provided with thermal analysis apparatus in the passage; Have ion mobility spectrometry detection system of the present utility model, can not only detect gaseous sample, and can also detect liquid-solid sample, thereby satisfied people have the function that detects three kinds of samples of gas, liquid, solid simultaneously for the ion mobility spectrometry detection system demand.
(2) in the utility model, also be provided with the diluent gas passage, and described diluent gas passage and described gaseous sample passage and described liquid-solid sample channel connection; Therefore this sampling device can be used for common ion mobility spectrometry detection system, can be used for the ion mobility spectrometry detection system of High-Field again.
(3) in the utility model, the carrier gas inlet that described liquid-solid sample is written into passage is connected with blower pump, like this when carrying out liquid-solid sample detection, described blower pump can load a large amount of air to liquid-solid sample purge, flash distillation, can realize the fast detecting of liquid-solid sample.
(4) in the utility model, be provided with filter core between described carrier gas inlet and the described blower pump, described filter core can filter carrier gas, thereby guarantees the purity of detected sample.
(5) in the utility model, also be provided with the transducer that detects described thermal analysis apparatus temperature, the needs that the staff can detect are per sample adjusted the temperature of described thermal analysis apparatus.
Description of drawings
Content of the present utility model is easier clearly to be understood in order to make, and according to specific embodiment of the utility model also by reference to the accompanying drawings, the utility model is described in further detail, wherein below
Fig. 1 is the view of ion mobility spectrometry detection system sampling device described in the utility model when not detecting;
Fig. 2 is ion mobility spectrometry detection system sampling device stereogram described in the utility model;
Fig. 3 is ion mobility spectrometry detection system sampling device described in the utility model view when detecting;
Fig. 4 is that ion mobility spectrometry detection system sampling device shown in Figure 3 carries out the A-A cutaway view of gaseous sample when detecting;
Fig. 5 is the A-A cutaway view of ion mobility spectrometry detection system sampling device shown in Figure 3 when carrying out liquid-solid sample detection.
Reference numeral is expressed as among the figure: the 1-first sample introduction body; The 11-gaseous sample is written into passage; The air-breathing entrance of 111-; The liquid-solid sample of 12-is written into passage; The 121-carrier gas inlet; 13-diluent gas passage; The 14-gas vent; The 15-transducer; The 2-second sample introduction body; 21-puts the sample platform; The 3-thermal analysis apparatus.
Embodiment
Below with reference to accompanying drawing, use following examples that the utility model is further set forth.
As Figure 1-3, the described a kind of ion mobility spectrometry detection system sampling device of present embodiment comprises the first sample introduction body 1 and the second sample introduction body 2; Arrange on the described first sample introduction body 1 that gaseous sample is written into passage 11 and liquid-solid sample is written into passage 12, described liquid-solid sample is written into carrier gas inlet 121 and first gas outlet that passage 12 comprises, described gaseous sample is written into passage 11 and comprises air-breathing entrance 111 and second gas outlet, described liquid-solid sample is written into and is provided with thermal analysis apparatus 3 in the passage 12, the described first sample introduction body 1 of described thermal analysis apparatus 3 correspondences be provided be in communication with the outside put the sample passage, namely put the sample channel formation on the wall body of the described first sample introduction body; Described gaseous sample is written into passage 11 and liquid-solid sample and is written into passage 12 and all is communicated with detector, and namely described first gas outlet and second gas outlet all are communicated with detector; Form on the described second sample introduction body 2 for what place liquid-solid sample and put sample platform 21, the described second sample introduction body 2 movably cooperates the described sample platform 21 of putting of drive to stretch into described put sample passage and 3 indirect contacts of described thermal analysis apparatus with the described first sample introduction body 1, the described second sample introduction body 2 is set in the present embodiment to be electrically connected with motor, move along the sample introduction direction by the described second sample introduction body 2 of driven by motor, make and put sample platform 21 and move to the described sample passage of putting of the described first sample introduction body 1 that is mated, when described put sample platform 21 finish be placed on described put in the sample passage after, described motor stops mobile, starts described thermal analysis apparatus 3 and carries out liquid-solid sample introduction work.Therefore have ion mobility spectrometry detection system of the present utility model, can not only detect gaseous sample, and can also detect liquid-solid sample, thereby satisfied people have the function that detects three kinds of samples of gas, liquid, solid simultaneously for the ion mobility spectrometry detection system demand.
The concrete course of work of above-described embodiment intermediate ion migration spectrum detection system sampling device is as follows:
1) gas sample introduction
When needs detect gaseous sample, gaseous sample to be detected is entered by described air-breathing entrance 111, and described carrier gas inlet 121 is not worked, be carrier gas inlet 121 not air inlets, by described gaseous sample interface channel, by described gas vent 14 detection systems, and then the sample introduction of intact gaseous sample, the flow direction of gaseous sample in described sampling device is as shown in Figure 4.
2) liquid-solid sample feeding
When needs detect fluid sample or solid sample, described air-breathing entrance 111 not air inlets, described liquid-solid sample is placed described putting on the sample platform 21, the described second sample introduction body 2 movably cooperates the described sample platform 21 of putting of drive to stretch into described put sample passage and 3 indirect contacts of described thermal analysis apparatus with the described first sample introduction body 1, be to move by the described second sample introduction body 2 of driven by motor in the present embodiment the described sample platform of putting is stretched in the space at the thermal analysis apparatus place in the described first sample introduction body 1, liquid or solid sample on the opposed sample platform of thermal analysis apparatus heats makes its gasification, described blower pump is blown into air by described carrier gas inlet 121, be written in the passage 12 through entering described liquid-solid sample behind the described filter element filtering, liquid-solid sample after the gasification is purged, flash distillation drives the gas that liquid-solid sample evaporation goes out and enters detection system by described gas vent 14; And can be discharged by described air-breathing entrance 111 from other unnecessary air that carrier gas inlet 121 enters, can prevent that other interference gas from entering from air-breathing entrance 111, and then the sample introduction of intact liquid-solid sample, the flow direction of liquid-solid sample in described sampling device is as shown in Figure 5.
In order to make this sampling device can be used for common ion mobility spectrometry detection system, the ion mobility spectrometry detection system that can be used for High-Field again, also be provided with diluent gas passage 13 on the described first sample introduction body 1, described diluent gas passage 13 is written into passage 11 and described liquid-solid sample with described gaseous sample respectively and is written into passage 12 and is communicated with.14 places are provided with described diluent gas passage 13 when described gas vent, when the concentration that is detected sample is big, can import air by described diluent gas passage 13, it is diluted, thereby prevent that the test sample contaminated ion from moving the spectrum detection system.
Further, on the basis of above-described embodiment, described gaseous sample is set in the present embodiment to be written into passage 11 and described liquid-solid sample and to be written into passage 12 and to partially overlap and have common gas vent 14, be that described first gas outlet and described second gas outlet overlap, described thermal analysis apparatus 3 is arranged on and overlaps in the passage, be that other described gaseous samples are written into passage 11 and described liquid-solid sample and are written into passage 12 and overlap arranging separately except described carrier gas inlet 121 and described air-breathing entrance 111 namely, as shown in Figure 4; Described thermal analysis apparatus is arranged on the upstream of described diluent gas passage, and upstream described in the utility model is expressed as along the gas direction of flowing through, and the position of first process is the upstream.In the present embodiment, described carrier gas inlet 121 is connected with blower pump; Like this when carrying out liquid-solid sample detection, described blower pump can load a large amount of air to liquid-solid sample purge, flash distillation, can realize the fast detecting of liquid-solid sample.And be provided with filter core between described carrier gas inlet 121 and the described blower pump; Described filter core can filter carrier gas, thereby guarantees the purity of detected sample.
On the basis of above-described embodiment, the transducer 15 that detects described thermal analysis apparatus 3 temperature is set also in the described first sample introduction body 1; The needs that the staff can detect are per sample adjusted the temperature of described thermal analysis apparatus 3, and then guarantee carrying out smoothly of sample detection.
Obviously, above-described embodiment only is for example clearly is described, and is not the restriction to execution mode.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give all execution modes exhaustive.And the apparent variation of being extended out thus or change still are among the protection range of the invention.
Claims (8)
1. an ion mobility spectrometry detection system sampling device is characterized in that: comprise
The first sample introduction body (1), arrange on the described first sample introduction body (1) that gaseous sample is written into passage (11) and liquid-solid sample is written into passage (12), described liquid-solid sample is written into and is provided with thermal analysis apparatus (3) in the passage (12), the described first sample introduction body (1) that described thermal analysis apparatus (3) is corresponding be provided be in communication with the outside put the sample passage; Described gaseous sample is written into passage (11) and liquid-solid sample and is written into passage (12) and all is communicated with detector; With
The second sample introduction body (2), form on the described second sample introduction body (2) for what place liquid-solid sample and put sample platform (21), the described second sample introduction body (2) movably cooperates the described sample platform (21) of putting of drive to stretch into described put sample passage and described thermal analysis apparatus (3) indirect contact with the described first sample introduction body (1).
2. ion mobility spectrometry detection system sampling device according to claim 1, it is characterized in that: also be provided with diluent gas passage (13) on the described first sample introduction body (1), described diluent gas passage (13) is written into passage (11) and described liquid-solid sample with described gaseous sample respectively and is written into passage (12) and is communicated with.
3. ion mobility spectrometry detection system sampling device according to claim 1 and 2, it is characterized in that: described gaseous sample is written into passage (11) and described liquid-solid sample and is written into passage (12) and partially overlaps and have common gas vent (14), the carrier gas inlet (121) that described liquid-solid sample is written into passage (12) separates with the air-breathing entrance (111) that described gaseous sample is written into passage (11), and described thermal analysis apparatus (3) is arranged on and overlaps in the passage.
4. ion mobility spectrometry detection system sampling device according to claim 3, it is characterized in that: described thermal analysis apparatus (3) is arranged on the upstream of described diluent gas passage (13).
5. ion mobility spectrometry detection system sampling device according to claim 4, it is characterized in that: described carrier gas inlet (121) is connected with blower pump.
6. ion mobility spectrometry detection system sampling device according to claim 5 is characterized in that: be provided with filter core between described carrier gas inlet (121) and the described blower pump.
7. ion mobility spectrometry detection system sampling device according to claim 6 is characterized in that: the transducer (15) that detects described thermal analysis apparatus (3) temperature also is set in the described first sample introduction body (1).
8. ion mobility spectrometry detection system sampling device according to claim 7 is characterized in that: the described relatively first sample introduction body (1) of the described second sample introduction body (2) move through Electric Machine Control.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201903158U CN203192749U (en) | 2013-04-16 | 2013-04-16 | Sample introduction device of ion mobility spectrometry detection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013201903158U CN203192749U (en) | 2013-04-16 | 2013-04-16 | Sample introduction device of ion mobility spectrometry detection system |
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| CN203192749U true CN203192749U (en) | 2013-09-11 |
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| CN2013201903158U Expired - Lifetime CN203192749U (en) | 2013-04-16 | 2013-04-16 | Sample introduction device of ion mobility spectrometry detection system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108020593A (en) * | 2018-01-04 | 2018-05-11 | 上海慧多信息科技发展有限公司 | The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization |
| CN108226267A (en) * | 2017-06-15 | 2018-06-29 | 深圳市天和时代电子设备有限公司 | A kind of split type thermal desorption sampling device |
| CN112924528A (en) * | 2019-12-06 | 2021-06-08 | 中国科学院大连化学物理研究所 | Sample injector for ion mobility spectrometry flash thermal analysis |
-
2013
- 2013-04-16 CN CN2013201903158U patent/CN203192749U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108226267A (en) * | 2017-06-15 | 2018-06-29 | 深圳市天和时代电子设备有限公司 | A kind of split type thermal desorption sampling device |
| CN108226267B (en) * | 2017-06-15 | 2023-09-12 | 深圳市天和时代电子设备有限公司 | Split type thermal analysis sampling device |
| CN108020593A (en) * | 2018-01-04 | 2018-05-11 | 上海慧多信息科技发展有限公司 | The integrated ion gun ion mobility spectrometry apparatus of one kind sampling ionization |
| CN112924528A (en) * | 2019-12-06 | 2021-06-08 | 中国科学院大连化学物理研究所 | Sample injector for ion mobility spectrometry flash thermal analysis |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SUZHOU SHIMAI SCIENTIFIC INSTRUMENT CO., LTD. Effective date: 20131030 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131030 Address after: 3, building 8, building 5, Medical Instrument Industrial Park, No. 215163 Jinfeng Road, Suzhou hi tech Zone, Jiangsu, China Patentee after: SUZHOU WEIMU INTELLIGENT SYSTEM Co.,Ltd. Patentee after: Suzhou Shimai Scientific Instruments Co.,Ltd. Address before: 3, building 8, building 5, Medical Instrument Industrial Park, No. 215163 Jinfeng Road, Suzhou hi tech Zone, Jiangsu, China Patentee before: SUZHOU WEIMU INTELLIGENT SYSTEM Co.,Ltd. |
|
| CX01 | Expiry of patent term |
Granted publication date: 20130911 |
|
| CX01 | Expiry of patent term |